mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 17:18:12 -05:00
5018 lines
152 KiB
C++
5018 lines
152 KiB
C++
/*
|
|
* Copyright 2011-2014 Branimir Karadzic. All rights reserved.
|
|
* License: http://www.opensource.org/licenses/BSD-2-Clause
|
|
*/
|
|
|
|
#include "bgfx_p.h"
|
|
|
|
#if (BGFX_CONFIG_RENDERER_OPENGLES || BGFX_CONFIG_RENDERER_OPENGL)
|
|
# include "renderer_gl.h"
|
|
# include <bx/timer.h>
|
|
# include <bx/uint32_t.h>
|
|
|
|
namespace bgfx
|
|
{
|
|
static char s_viewName[BGFX_CONFIG_MAX_VIEWS][256];
|
|
|
|
struct PrimInfo
|
|
{
|
|
GLenum m_type;
|
|
uint32_t m_min;
|
|
uint32_t m_div;
|
|
uint32_t m_sub;
|
|
};
|
|
|
|
static const PrimInfo s_primInfo[] =
|
|
{
|
|
{ GL_TRIANGLES, 3, 3, 0 },
|
|
{ GL_TRIANGLE_STRIP, 3, 1, 2 },
|
|
{ GL_LINES, 2, 2, 0 },
|
|
{ GL_POINTS, 1, 1, 0 },
|
|
};
|
|
|
|
static const char* s_primName[] =
|
|
{
|
|
"TriList",
|
|
"TriStrip",
|
|
"Line",
|
|
"Point",
|
|
};
|
|
|
|
static const char* s_attribName[] =
|
|
{
|
|
"a_position",
|
|
"a_normal",
|
|
"a_tangent",
|
|
"a_bitangent",
|
|
"a_color0",
|
|
"a_color1",
|
|
"a_indices",
|
|
"a_weight",
|
|
"a_texcoord0",
|
|
"a_texcoord1",
|
|
"a_texcoord2",
|
|
"a_texcoord3",
|
|
"a_texcoord4",
|
|
"a_texcoord5",
|
|
"a_texcoord6",
|
|
"a_texcoord7",
|
|
};
|
|
BX_STATIC_ASSERT(Attrib::Count == BX_COUNTOF(s_attribName) );
|
|
|
|
static const char* s_instanceDataName[BGFX_CONFIG_MAX_INSTANCE_DATA_COUNT] =
|
|
{
|
|
"i_data0",
|
|
"i_data1",
|
|
"i_data2",
|
|
"i_data3",
|
|
"i_data4",
|
|
};
|
|
|
|
static const GLenum s_access[Access::Count] =
|
|
{
|
|
GL_READ_ONLY,
|
|
GL_WRITE_ONLY,
|
|
GL_READ_WRITE,
|
|
};
|
|
|
|
static const GLenum s_attribType[AttribType::Count] =
|
|
{
|
|
GL_UNSIGNED_BYTE,
|
|
GL_SHORT,
|
|
GL_HALF_FLOAT,
|
|
GL_FLOAT,
|
|
};
|
|
|
|
struct Blend
|
|
{
|
|
GLenum m_src;
|
|
GLenum m_dst;
|
|
bool m_factor;
|
|
};
|
|
|
|
static const Blend s_blendFactor[] =
|
|
{
|
|
{ 0, 0, false }, // ignored
|
|
{ GL_ZERO, GL_ZERO, false }, // ZERO
|
|
{ GL_ONE, GL_ONE, false }, // ONE
|
|
{ GL_SRC_COLOR, GL_SRC_COLOR, false }, // SRC_COLOR
|
|
{ GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, false }, // INV_SRC_COLOR
|
|
{ GL_SRC_ALPHA, GL_SRC_ALPHA, false }, // SRC_ALPHA
|
|
{ GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false }, // INV_SRC_ALPHA
|
|
{ GL_DST_ALPHA, GL_DST_ALPHA, false }, // DST_ALPHA
|
|
{ GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA, false }, // INV_DST_ALPHA
|
|
{ GL_DST_COLOR, GL_DST_COLOR, false }, // DST_COLOR
|
|
{ GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_DST_COLOR, false }, // INV_DST_COLOR
|
|
{ GL_SRC_ALPHA_SATURATE, GL_ONE, false }, // SRC_ALPHA_SAT
|
|
{ GL_CONSTANT_COLOR, GL_CONSTANT_COLOR, true }, // FACTOR
|
|
{ GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR, true }, // INV_FACTOR
|
|
};
|
|
|
|
static const GLenum s_blendEquation[] =
|
|
{
|
|
GL_FUNC_ADD,
|
|
GL_FUNC_SUBTRACT,
|
|
GL_FUNC_REVERSE_SUBTRACT,
|
|
GL_MIN,
|
|
GL_MAX,
|
|
};
|
|
|
|
static const GLenum s_cmpFunc[] =
|
|
{
|
|
0, // ignored
|
|
GL_LESS,
|
|
GL_LEQUAL,
|
|
GL_EQUAL,
|
|
GL_GEQUAL,
|
|
GL_GREATER,
|
|
GL_NOTEQUAL,
|
|
GL_NEVER,
|
|
GL_ALWAYS,
|
|
};
|
|
|
|
static const GLenum s_stencilOp[] =
|
|
{
|
|
GL_ZERO,
|
|
GL_KEEP,
|
|
GL_REPLACE,
|
|
GL_INCR_WRAP,
|
|
GL_INCR,
|
|
GL_DECR_WRAP,
|
|
GL_DECR,
|
|
GL_INVERT,
|
|
};
|
|
|
|
static const GLenum s_stencilFace[] =
|
|
{
|
|
GL_FRONT_AND_BACK,
|
|
GL_FRONT,
|
|
GL_BACK,
|
|
};
|
|
|
|
static const GLenum s_textureAddress[] =
|
|
{
|
|
GL_REPEAT,
|
|
GL_MIRRORED_REPEAT,
|
|
GL_CLAMP_TO_EDGE,
|
|
};
|
|
|
|
static const GLenum s_textureFilterMag[] =
|
|
{
|
|
GL_LINEAR,
|
|
GL_NEAREST,
|
|
GL_LINEAR,
|
|
};
|
|
|
|
static const GLenum s_textureFilterMin[][3] =
|
|
{
|
|
{ GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, GL_NEAREST_MIPMAP_LINEAR },
|
|
{ GL_NEAREST, GL_LINEAR_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_NEAREST },
|
|
{ GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, GL_NEAREST_MIPMAP_LINEAR },
|
|
};
|
|
|
|
struct TextureFormatInfo
|
|
{
|
|
GLenum m_internalFmt;
|
|
GLenum m_fmt;
|
|
GLenum m_type;
|
|
bool m_supported;
|
|
};
|
|
|
|
static TextureFormatInfo s_textureFormat[] =
|
|
{
|
|
{ GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_ZERO, false }, // BC1
|
|
{ GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_ZERO, false }, // BC2
|
|
{ GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_ZERO, false }, // BC3
|
|
{ GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_ZERO, false }, // BC4
|
|
{ GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_ZERO, false }, // BC5
|
|
{ GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB, GL_ZERO, false }, // BC6H
|
|
{ GL_COMPRESSED_RGBA_BPTC_UNORM_ARB, GL_COMPRESSED_RGBA_BPTC_UNORM_ARB, GL_ZERO, false }, // BC7
|
|
{ GL_ETC1_RGB8_OES, GL_ETC1_RGB8_OES, GL_ZERO, false }, // ETC1
|
|
{ GL_COMPRESSED_RGB8_ETC2, GL_COMPRESSED_RGB8_ETC2, GL_ZERO, false }, // ETC2
|
|
{ GL_COMPRESSED_RGBA8_ETC2_EAC, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_ZERO, false }, // ETC2A
|
|
{ GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_ZERO, false }, // ETC2A1
|
|
{ GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, GL_ZERO, false }, // PTC12
|
|
{ GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_ZERO, false }, // PTC14
|
|
{ GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_ZERO, false }, // PTC12A
|
|
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_ZERO, false }, // PTC14A
|
|
{ GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, GL_ZERO, false }, // PTC22
|
|
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, GL_ZERO, false }, // PTC24
|
|
{ GL_ZERO, GL_ZERO, GL_ZERO, true }, // Unknown
|
|
{ GL_ZERO, GL_ZERO, GL_ZERO, true }, // R1
|
|
{ GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, true }, // R8
|
|
{ GL_R16, GL_RED, GL_UNSIGNED_SHORT, true }, // R16
|
|
{ GL_R16F, GL_RED, GL_HALF_FLOAT, true }, // R16F
|
|
{ GL_R32UI, GL_RED, GL_UNSIGNED_INT, true }, // R32
|
|
{ GL_R32F, GL_RED, GL_FLOAT, true }, // R32F
|
|
{ GL_RG8, GL_RG, GL_UNSIGNED_BYTE, true }, // RG8
|
|
{ GL_RG16, GL_RG, GL_UNSIGNED_SHORT, true }, // RG16
|
|
{ GL_RG16F, GL_RG, GL_FLOAT, true }, // RG16F
|
|
{ GL_RG32UI, GL_RG, GL_UNSIGNED_INT, true }, // RG32
|
|
{ GL_RG32F, GL_RG, GL_FLOAT, true }, // RG32F
|
|
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, true }, // BGRA8
|
|
{ GL_RGBA16, GL_RGBA, GL_UNSIGNED_BYTE, true }, // RGBA16
|
|
{ GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, true }, // RGBA16F
|
|
{ GL_RGBA32UI, GL_RGBA, GL_UNSIGNED_INT, true }, // RGBA32
|
|
{ GL_RGBA32F, GL_RGBA, GL_FLOAT, true }, // RGBA32F
|
|
{ GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, true }, // R5G6B5
|
|
{ GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, true }, // RGBA4
|
|
{ GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, true }, // RGB5A1
|
|
{ GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, true }, // RGB10A2
|
|
{ GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, true }, // R11G11B10F
|
|
{ GL_ZERO, GL_ZERO, GL_ZERO, true }, // UnknownDepth
|
|
{ GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, false }, // D16
|
|
{ GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, false }, // D24
|
|
{ GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, false }, // D24S8
|
|
{ GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, false }, // D32
|
|
{ GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, false }, // D16F
|
|
{ GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, false }, // D24F
|
|
{ GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, false }, // D32F
|
|
{ GL_STENCIL_INDEX8, GL_DEPTH_STENCIL, GL_UNSIGNED_BYTE, false }, // D0S8
|
|
};
|
|
BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_textureFormat) );
|
|
|
|
static GLenum s_imageFormat[] =
|
|
{
|
|
GL_ZERO, // BC1
|
|
GL_ZERO, // BC2
|
|
GL_ZERO, // BC3
|
|
GL_ZERO, // BC4
|
|
GL_ZERO, // BC5
|
|
GL_ZERO, // BC6H
|
|
GL_ZERO, // BC7
|
|
GL_ZERO, // ETC1
|
|
GL_ZERO, // ETC2
|
|
GL_ZERO, // ETC2A
|
|
GL_ZERO, // ETC2A1
|
|
GL_ZERO, // PTC12
|
|
GL_ZERO, // PTC14
|
|
GL_ZERO, // PTC12A
|
|
GL_ZERO, // PTC14A
|
|
GL_ZERO, // PTC22
|
|
GL_ZERO, // PTC24
|
|
GL_ZERO, // Unknown
|
|
GL_ZERO, // R1
|
|
GL_R8, // R8
|
|
GL_R16, // R16
|
|
GL_R16F, // R16F
|
|
GL_R32UI, // R32
|
|
GL_R32F, // R32F
|
|
GL_RG8, // RG8
|
|
GL_RG16, // RG16
|
|
GL_RG16F, // RG16F
|
|
GL_RG32UI, // RG32
|
|
GL_RG32F, // RG32F
|
|
GL_RGBA8, // BGRA8
|
|
GL_RGBA16, // RGBA16
|
|
GL_RGBA16F, // RGBA16F
|
|
GL_RGBA32UI, // RGBA32
|
|
GL_RGBA32F, // RGBA32F
|
|
GL_RGB565, // R5G6B5
|
|
GL_RGBA4, // RGBA4
|
|
GL_RGB5_A1, // RGB5A1
|
|
GL_RGB10_A2, // RGB10A2
|
|
GL_R11F_G11F_B10F, // R11G11B10F
|
|
GL_ZERO, // UnknownDepth
|
|
GL_ZERO, // D16
|
|
GL_ZERO, // D24
|
|
GL_ZERO, // D24S8
|
|
GL_ZERO, // D32
|
|
GL_ZERO, // D16F
|
|
GL_ZERO, // D24F
|
|
GL_ZERO, // D32F
|
|
GL_ZERO, // D0S8
|
|
};
|
|
BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_imageFormat) );
|
|
|
|
struct Extension
|
|
{
|
|
enum Enum
|
|
{
|
|
AMD_conservative_depth,
|
|
|
|
ANGLE_depth_texture,
|
|
ANGLE_framebuffer_blit,
|
|
ANGLE_framebuffer_multisample,
|
|
ANGLE_instanced_arrays,
|
|
ANGLE_texture_compression_dxt1,
|
|
ANGLE_texture_compression_dxt3,
|
|
ANGLE_texture_compression_dxt5,
|
|
ANGLE_translated_shader_source,
|
|
|
|
APPLE_texture_format_BGRA8888,
|
|
APPLE_texture_max_level,
|
|
|
|
ARB_compute_shader,
|
|
ARB_conservative_depth,
|
|
ARB_debug_label,
|
|
ARB_debug_output,
|
|
ARB_depth_buffer_float,
|
|
ARB_depth_clamp,
|
|
ARB_draw_buffers_blend,
|
|
ARB_draw_instanced,
|
|
ARB_ES3_compatibility,
|
|
ARB_framebuffer_object,
|
|
ARB_framebuffer_sRGB,
|
|
ARB_get_program_binary,
|
|
ARB_half_float_pixel,
|
|
ARB_half_float_vertex,
|
|
ARB_instanced_arrays,
|
|
ARB_map_buffer_range,
|
|
ARB_multisample,
|
|
ARB_occlusion_query,
|
|
ARB_occlusion_query2,
|
|
ARB_program_interface_query,
|
|
ARB_sampler_objects,
|
|
ARB_seamless_cube_map,
|
|
ARB_shader_bit_encoding,
|
|
ARB_shader_image_load_store,
|
|
ARB_shader_storage_buffer_object,
|
|
ARB_shader_texture_lod,
|
|
ARB_texture_compression_bptc,
|
|
ARB_texture_compression_rgtc,
|
|
ARB_texture_float,
|
|
ARB_texture_multisample,
|
|
ARB_texture_rg,
|
|
ARB_texture_rgb10_a2ui,
|
|
ARB_texture_stencil8,
|
|
ARB_texture_storage,
|
|
ARB_texture_swizzle,
|
|
ARB_timer_query,
|
|
ARB_uniform_buffer_object,
|
|
ARB_vertex_array_object,
|
|
ARB_vertex_type_2_10_10_10_rev,
|
|
|
|
ATI_meminfo,
|
|
|
|
CHROMIUM_color_buffer_float_rgb,
|
|
CHROMIUM_color_buffer_float_rgba,
|
|
CHROMIUM_depth_texture,
|
|
CHROMIUM_framebuffer_multisample,
|
|
CHROMIUM_texture_compression_dxt3,
|
|
CHROMIUM_texture_compression_dxt5,
|
|
|
|
EXT_bgra,
|
|
EXT_blend_color,
|
|
EXT_blend_minmax,
|
|
EXT_blend_subtract,
|
|
EXT_compressed_ETC1_RGB8_sub_texture,
|
|
EXT_debug_label,
|
|
EXT_debug_marker,
|
|
EXT_draw_buffers,
|
|
EXT_frag_depth,
|
|
EXT_framebuffer_blit,
|
|
EXT_framebuffer_object,
|
|
EXT_framebuffer_sRGB,
|
|
EXT_occlusion_query_boolean,
|
|
EXT_packed_float,
|
|
EXT_read_format_bgra,
|
|
EXT_shader_image_load_store,
|
|
EXT_shader_texture_lod,
|
|
EXT_shadow_samplers,
|
|
EXT_texture_array,
|
|
EXT_texture_compression_dxt1,
|
|
EXT_texture_compression_latc,
|
|
EXT_texture_compression_rgtc,
|
|
EXT_texture_compression_s3tc,
|
|
EXT_texture_filter_anisotropic,
|
|
EXT_texture_format_BGRA8888,
|
|
EXT_texture_rg,
|
|
EXT_texture_sRGB,
|
|
EXT_texture_storage,
|
|
EXT_texture_swizzle,
|
|
EXT_texture_type_2_10_10_10_REV,
|
|
EXT_timer_query,
|
|
EXT_unpack_subimage,
|
|
|
|
GOOGLE_depth_texture,
|
|
|
|
GREMEDY_string_marker,
|
|
GREMEDY_frame_terminator,
|
|
|
|
IMG_multisampled_render_to_texture,
|
|
IMG_read_format,
|
|
IMG_shader_binary,
|
|
IMG_texture_compression_pvrtc,
|
|
IMG_texture_compression_pvrtc2,
|
|
IMG_texture_format_BGRA8888,
|
|
|
|
INTEL_fragment_shader_ordering,
|
|
|
|
KHR_debug,
|
|
|
|
MOZ_WEBGL_compressed_texture_s3tc,
|
|
MOZ_WEBGL_depth_texture,
|
|
|
|
NV_draw_buffers,
|
|
NVX_gpu_memory_info,
|
|
|
|
OES_compressed_ETC1_RGB8_texture,
|
|
OES_depth24,
|
|
OES_depth32,
|
|
OES_depth_texture,
|
|
OES_fragment_precision_high,
|
|
OES_get_program_binary,
|
|
OES_required_internalformat,
|
|
OES_packed_depth_stencil,
|
|
OES_read_format,
|
|
OES_rgb8_rgba8,
|
|
OES_standard_derivatives,
|
|
OES_texture_3D,
|
|
OES_texture_float,
|
|
OES_texture_float_linear,
|
|
OES_texture_npot,
|
|
OES_texture_half_float,
|
|
OES_texture_half_float_linear,
|
|
OES_vertex_array_object,
|
|
OES_vertex_half_float,
|
|
OES_vertex_type_10_10_10_2,
|
|
|
|
WEBGL_compressed_texture_etc1,
|
|
WEBGL_compressed_texture_s3tc,
|
|
WEBGL_compressed_texture_pvrtc,
|
|
WEBGL_depth_texture,
|
|
|
|
WEBKIT_EXT_texture_filter_anisotropic,
|
|
WEBKIT_WEBGL_compressed_texture_s3tc,
|
|
WEBKIT_WEBGL_depth_texture,
|
|
|
|
Count
|
|
};
|
|
|
|
const char* m_name;
|
|
bool m_supported;
|
|
bool m_initialize;
|
|
};
|
|
|
|
static Extension s_extension[Extension::Count] =
|
|
{
|
|
{ "AMD_conservative_depth", false, true },
|
|
|
|
{ "ANGLE_depth_texture", false, true },
|
|
{ "ANGLE_framebuffer_blit", false, true },
|
|
{ "ANGLE_framebuffer_multisample", false, false },
|
|
{ "ANGLE_instanced_arrays", false, true },
|
|
{ "ANGLE_texture_compression_dxt1", false, true },
|
|
{ "ANGLE_texture_compression_dxt3", false, true },
|
|
{ "ANGLE_texture_compression_dxt5", false, true },
|
|
{ "ANGLE_translated_shader_source", false, true },
|
|
|
|
{ "APPLE_texture_format_BGRA8888", false, true },
|
|
{ "APPLE_texture_max_level", false, true },
|
|
|
|
{ "ARB_compute_shader", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
|
|
{ "ARB_conservative_depth", BGFX_CONFIG_RENDERER_OPENGL >= 42, true },
|
|
{ "ARB_debug_label", false, true },
|
|
{ "ARB_debug_output", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
|
|
{ "ARB_depth_buffer_float", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_depth_clamp", BGFX_CONFIG_RENDERER_OPENGL >= 32, true },
|
|
{ "ARB_draw_buffers_blend", BGFX_CONFIG_RENDERER_OPENGL >= 40, true },
|
|
{ "ARB_draw_instanced", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_ES3_compatibility", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
|
|
{ "ARB_framebuffer_object", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_framebuffer_sRGB", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_get_program_binary", BGFX_CONFIG_RENDERER_OPENGL >= 41, true },
|
|
{ "ARB_half_float_pixel", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_half_float_vertex", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_instanced_arrays", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_map_buffer_range", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_multisample", false, true },
|
|
{ "ARB_occlusion_query", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_occlusion_query2", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_program_interface_query", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
|
|
{ "ARB_sampler_objects", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_seamless_cube_map", BGFX_CONFIG_RENDERER_OPENGL >= 32, true },
|
|
{ "ARB_shader_bit_encoding", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_shader_image_load_store", BGFX_CONFIG_RENDERER_OPENGL >= 42, true },
|
|
{ "ARB_shader_storage_buffer_object", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
|
|
{ "ARB_shader_texture_lod", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_texture_compression_bptc", BGFX_CONFIG_RENDERER_OPENGL >= 44, true },
|
|
{ "ARB_texture_compression_rgtc", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_texture_float", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_texture_multisample", BGFX_CONFIG_RENDERER_OPENGL >= 32, true },
|
|
{ "ARB_texture_rg", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_texture_rgb10_a2ui", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_texture_stencil8", false, true },
|
|
{ "ARB_texture_storage", BGFX_CONFIG_RENDERER_OPENGL >= 42, true },
|
|
{ "ARB_texture_swizzle", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_timer_query", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "ARB_uniform_buffer_object", BGFX_CONFIG_RENDERER_OPENGL >= 31, true },
|
|
{ "ARB_vertex_array_object", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "ARB_vertex_type_2_10_10_10_rev", false, true },
|
|
|
|
{ "ATI_meminfo", false, true },
|
|
|
|
{ "CHROMIUM_color_buffer_float_rgb", false, true },
|
|
{ "CHROMIUM_color_buffer_float_rgba", false, true },
|
|
{ "CHROMIUM_depth_texture", false, true },
|
|
{ "CHROMIUM_framebuffer_multisample", false, true },
|
|
{ "CHROMIUM_texture_compression_dxt3", false, true },
|
|
{ "CHROMIUM_texture_compression_dxt5", false, true },
|
|
|
|
{ "EXT_bgra", false, true },
|
|
{ "EXT_blend_color", BGFX_CONFIG_RENDERER_OPENGL >= 31, true },
|
|
{ "EXT_blend_minmax", BGFX_CONFIG_RENDERER_OPENGL >= 14, true },
|
|
{ "EXT_blend_subtract", BGFX_CONFIG_RENDERER_OPENGL >= 14, true },
|
|
{ "EXT_compressed_ETC1_RGB8_sub_texture", false, true }, // GLES2 extension.
|
|
{ "EXT_debug_label", false, true },
|
|
{ "EXT_debug_marker", false, true },
|
|
{ "EXT_draw_buffers", false, true }, // GLES2 extension.
|
|
{ "EXT_frag_depth", false, true }, // GLES2 extension.
|
|
{ "EXT_framebuffer_blit", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "EXT_framebuffer_object", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "EXT_framebuffer_sRGB", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "EXT_occlusion_query_boolean", false, true },
|
|
{ "EXT_packed_float", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
|
|
{ "EXT_read_format_bgra", false, true },
|
|
{ "EXT_shader_image_load_store", false, true },
|
|
{ "EXT_shader_texture_lod", false, true }, // GLES2 extension.
|
|
{ "EXT_shadow_samplers", false, true },
|
|
{ "EXT_texture_array", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "EXT_texture_compression_dxt1", false, true },
|
|
{ "EXT_texture_compression_latc", false, true },
|
|
{ "EXT_texture_compression_rgtc", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
|
|
{ "EXT_texture_compression_s3tc", false, true },
|
|
{ "EXT_texture_filter_anisotropic", false, true },
|
|
{ "EXT_texture_format_BGRA8888", false, true },
|
|
{ "EXT_texture_rg", false, true }, // GLES2 extension.
|
|
{ "EXT_texture_sRGB", false, true },
|
|
{ "EXT_texture_storage", false, true },
|
|
{ "EXT_texture_swizzle", false, true },
|
|
{ "EXT_texture_type_2_10_10_10_REV", false, true },
|
|
{ "EXT_timer_query", false, true },
|
|
{ "EXT_unpack_subimage", false, true },
|
|
|
|
{ "GOOGLE_depth_texture", false, true },
|
|
|
|
{ "GREMEDY_string_marker", false, true },
|
|
{ "GREMEDY_frame_terminator", false, true },
|
|
|
|
{ "IMG_multisampled_render_to_texture", false, true },
|
|
{ "IMG_read_format", false, true },
|
|
{ "IMG_shader_binary", false, true },
|
|
{ "IMG_texture_compression_pvrtc", false, true },
|
|
{ "IMG_texture_compression_pvrtc2", false, true },
|
|
{ "IMG_texture_format_BGRA8888", false, true },
|
|
|
|
{ "INTEL_fragment_shader_ordering", false, true },
|
|
|
|
{ "KHR_debug", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
|
|
|
|
{ "MOZ_WEBGL_compressed_texture_s3tc", false, true },
|
|
{ "MOZ_WEBGL_depth_texture", false, true },
|
|
|
|
{ "NV_draw_buffers", false, true }, // GLES2 extension.
|
|
{ "NVX_gpu_memory_info", false, true },
|
|
|
|
{ "OES_compressed_ETC1_RGB8_texture", false, true },
|
|
{ "OES_depth24", false, true },
|
|
{ "OES_depth32", false, true },
|
|
{ "OES_depth_texture", false, true },
|
|
{ "OES_fragment_precision_high", false, true },
|
|
{ "OES_get_program_binary", false, true },
|
|
{ "OES_required_internalformat", false, true },
|
|
{ "OES_packed_depth_stencil", false, true },
|
|
{ "OES_read_format", false, true },
|
|
{ "OES_rgb8_rgba8", false, true },
|
|
{ "OES_standard_derivatives", false, true },
|
|
{ "OES_texture_3D", false, true },
|
|
{ "OES_texture_float", false, true },
|
|
{ "OES_texture_float_linear", false, true },
|
|
{ "OES_texture_npot", false, true },
|
|
{ "OES_texture_half_float", false, true },
|
|
{ "OES_texture_half_float_linear", false, true },
|
|
{ "OES_vertex_array_object", false, !BX_PLATFORM_IOS },
|
|
{ "OES_vertex_half_float", false, true },
|
|
{ "OES_vertex_type_10_10_10_2", false, true },
|
|
|
|
{ "WEBGL_compressed_texture_etc1", false, true },
|
|
{ "WEBGL_compressed_texture_s3tc", false, true },
|
|
{ "WEBGL_compressed_texture_pvrtc", false, true },
|
|
{ "WEBGL_depth_texture", false, true },
|
|
|
|
{ "WEBKIT_EXT_texture_filter_anisotropic", false, true },
|
|
{ "WEBKIT_WEBGL_compressed_texture_s3tc", false, true },
|
|
{ "WEBKIT_WEBGL_depth_texture", false, true },
|
|
};
|
|
|
|
static const char* s_ARB_shader_texture_lod[] =
|
|
{
|
|
"texture2DLod",
|
|
"texture2DProjLod",
|
|
"texture3DLod",
|
|
"texture3DProjLod",
|
|
"textureCubeLod",
|
|
"shadow2DLod",
|
|
"shadow2DProjLod",
|
|
NULL
|
|
// "texture1DLod",
|
|
// "texture1DProjLod",
|
|
// "shadow1DLod",
|
|
// "shadow1DProjLod",
|
|
};
|
|
|
|
static const char* s_EXT_shader_texture_lod[] =
|
|
{
|
|
"texture2DLod",
|
|
"texture2DProjLod",
|
|
"textureCubeLod",
|
|
NULL
|
|
// "texture2DGrad",
|
|
// "texture2DProjGrad",
|
|
// "textureCubeGrad",
|
|
};
|
|
|
|
static const char* s_EXT_shadow_samplers[] =
|
|
{
|
|
"shadow2D",
|
|
"shadow2DProj",
|
|
NULL
|
|
};
|
|
|
|
static const char* s_OES_standard_derivatives[] =
|
|
{
|
|
"dFdx",
|
|
"dFdy",
|
|
"fwidth",
|
|
NULL
|
|
};
|
|
|
|
static const char* s_OES_texture_3D[] =
|
|
{
|
|
"texture3D",
|
|
"texture3DProj",
|
|
"texture3DLod",
|
|
"texture3DProjLod",
|
|
NULL
|
|
};
|
|
|
|
static void GL_APIENTRY stubVertexAttribDivisor(GLuint /*_index*/, GLuint /*_divisor*/)
|
|
{
|
|
}
|
|
|
|
static void GL_APIENTRY stubDrawArraysInstanced(GLenum _mode, GLint _first, GLsizei _count, GLsizei /*_primcount*/)
|
|
{
|
|
GL_CHECK(glDrawArrays(_mode, _first, _count) );
|
|
}
|
|
|
|
static void GL_APIENTRY stubDrawElementsInstanced(GLenum _mode, GLsizei _count, GLenum _type, const GLvoid* _indices, GLsizei /*_primcount*/)
|
|
{
|
|
GL_CHECK(glDrawElements(_mode, _count, _type, _indices) );
|
|
}
|
|
|
|
static void GL_APIENTRY stubFrameTerminatorGREMEDY()
|
|
{
|
|
}
|
|
|
|
static void GL_APIENTRY stubInsertEventMarker(GLsizei /*_length*/, const char* /*_marker*/)
|
|
{
|
|
}
|
|
|
|
static void GL_APIENTRY stubInsertEventMarkerGREMEDY(GLsizei _length, const char* _marker)
|
|
{
|
|
// If <marker> is a null-terminated string then <length> should not
|
|
// include the terminator.
|
|
//
|
|
// If <length> is 0 then <marker> is assumed to be null-terminated.
|
|
|
|
uint32_t size = (0 == _length ? (uint32_t)strlen(_marker) : _length) + 1;
|
|
size *= sizeof(wchar_t);
|
|
wchar_t* name = (wchar_t*)alloca(size);
|
|
mbstowcs(name, _marker, size-2);
|
|
GL_CHECK(glStringMarkerGREMEDY(_length, _marker) );
|
|
}
|
|
|
|
static void GL_APIENTRY stubObjectLabel(GLenum /*_identifier*/, GLuint /*_name*/, GLsizei /*_length*/, const char* /*_label*/)
|
|
{
|
|
}
|
|
|
|
typedef void (*PostSwapBuffersFn)(uint32_t _width, uint32_t _height);
|
|
|
|
static const char* getGLString(GLenum _name)
|
|
{
|
|
const char* str = (const char*)glGetString(_name);
|
|
glGetError(); // ignore error if glGetString returns NULL.
|
|
if (NULL != str)
|
|
{
|
|
return str;
|
|
}
|
|
|
|
return "<unknown>";
|
|
}
|
|
|
|
static uint32_t getGLStringHash(GLenum _name)
|
|
{
|
|
const char* str = (const char*)glGetString(_name);
|
|
glGetError(); // ignore error if glGetString returns NULL.
|
|
if (NULL != str)
|
|
{
|
|
return bx::hashMurmur2A(str, (uint32_t)strlen(str) );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void dumpExtensions(const char* _extensions)
|
|
{
|
|
if (NULL != _extensions)
|
|
{
|
|
char name[1024];
|
|
const char* pos = _extensions;
|
|
const char* end = _extensions + strlen(_extensions);
|
|
while (pos < end)
|
|
{
|
|
uint32_t len;
|
|
const char* space = strchr(pos, ' ');
|
|
if (NULL != space)
|
|
{
|
|
len = bx::uint32_min(sizeof(name), (uint32_t)(space - pos) );
|
|
}
|
|
else
|
|
{
|
|
len = bx::uint32_min(sizeof(name), (uint32_t)strlen(pos) );
|
|
}
|
|
|
|
strncpy(name, pos, len);
|
|
name[len] = '\0';
|
|
|
|
BX_TRACE("\t%s", name);
|
|
|
|
pos += len+1;
|
|
}
|
|
}
|
|
}
|
|
|
|
const char* toString(GLenum _enum)
|
|
{
|
|
#if defined(GL_DEBUG_SOURCE_API_ARB)
|
|
switch (_enum)
|
|
{
|
|
case GL_DEBUG_SOURCE_API_ARB: return "API";
|
|
case GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB: return "WinSys";
|
|
case GL_DEBUG_SOURCE_SHADER_COMPILER_ARB: return "Shader";
|
|
case GL_DEBUG_SOURCE_THIRD_PARTY_ARB: return "3rdparty";
|
|
case GL_DEBUG_SOURCE_APPLICATION_ARB: return "Application";
|
|
case GL_DEBUG_SOURCE_OTHER_ARB: return "Other";
|
|
case GL_DEBUG_TYPE_ERROR_ARB: return "Error";
|
|
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB: return "Deprecated behavior";
|
|
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB: return "Undefined behavior";
|
|
case GL_DEBUG_TYPE_PORTABILITY_ARB: return "Portability";
|
|
case GL_DEBUG_TYPE_PERFORMANCE_ARB: return "Performance";
|
|
case GL_DEBUG_TYPE_OTHER_ARB: return "Other";
|
|
case GL_DEBUG_SEVERITY_HIGH_ARB: return "High";
|
|
case GL_DEBUG_SEVERITY_MEDIUM_ARB: return "Medium";
|
|
case GL_DEBUG_SEVERITY_LOW_ARB: return "Low";
|
|
default:
|
|
break;
|
|
}
|
|
#else
|
|
BX_UNUSED(_enum);
|
|
#endif // defined(GL_DEBUG_SOURCE_API_ARB)
|
|
|
|
return "<unknown>";
|
|
}
|
|
|
|
void GL_APIENTRY debugProcCb(GLenum _source, GLenum _type, GLuint _id, GLenum _severity, GLsizei /*_length*/, const GLchar* _message, const void* /*_userParam*/)
|
|
{
|
|
BX_TRACE("src %s, type %s, id %d, severity %s, '%s'"
|
|
, toString(_source)
|
|
, toString(_type)
|
|
, _id
|
|
, toString(_severity)
|
|
, _message
|
|
);
|
|
BX_UNUSED(_source, _type, _id, _severity, _message);
|
|
}
|
|
|
|
GLint glGet(GLenum _pname)
|
|
{
|
|
GLint result = 0;
|
|
glGetIntegerv(_pname, &result);
|
|
GLenum err = glGetError();
|
|
BX_WARN(0 == err, "glGetIntegerv(0x%04x, ...) failed with GL error: 0x%04x.", _pname, err);
|
|
return 0 == err ? result : 0;
|
|
}
|
|
|
|
void setTextureFormat(TextureFormat::Enum _format, GLenum _internalFmt, GLenum _fmt, GLenum _type = GL_ZERO)
|
|
{
|
|
TextureFormatInfo& tfi = s_textureFormat[_format];
|
|
tfi.m_internalFmt = _internalFmt;
|
|
tfi.m_fmt = _fmt;
|
|
tfi.m_type = _type;
|
|
}
|
|
|
|
bool isTextureFormatValid(TextureFormat::Enum _format)
|
|
{
|
|
GLuint id;
|
|
GL_CHECK(glGenTextures(1, &id) );
|
|
GL_CHECK(glBindTexture(GL_TEXTURE_2D, id) );
|
|
|
|
const TextureFormatInfo& tfi = s_textureFormat[_format];
|
|
|
|
GLsizei size = (16*16*getBitsPerPixel(_format) )/8;
|
|
void* data = alloca(size);
|
|
|
|
if (isCompressed(_format) )
|
|
{
|
|
glCompressedTexImage2D(GL_TEXTURE_2D, 0, tfi.m_internalFmt, 16, 16, 0, size, data);
|
|
}
|
|
else
|
|
{
|
|
glTexImage2D(GL_TEXTURE_2D, 0, tfi.m_internalFmt, 16, 16, 0, tfi.m_fmt, tfi.m_type, data);
|
|
}
|
|
|
|
GLenum err = glGetError();
|
|
BX_WARN(0 == err, "TextureFormat::%s is not supported (%x: %s).", getName(_format), err, glEnumName(err) );
|
|
|
|
GL_CHECK(glDeleteTextures(1, &id) );
|
|
|
|
return 0 == err;
|
|
}
|
|
|
|
struct RendererContextGL : public RendererContextI
|
|
{
|
|
RendererContextGL()
|
|
: m_numWindows(1)
|
|
, m_rtMsaa(false)
|
|
, m_capture(NULL)
|
|
, m_captureSize(0)
|
|
, m_maxAnisotropy(0.0f)
|
|
, m_maxMsaa(0)
|
|
, m_vao(0)
|
|
, m_vaoSupport(false)
|
|
, m_samplerObjectSupport(false)
|
|
, m_shadowSamplersSupport(false)
|
|
, m_programBinarySupport(false)
|
|
, m_textureSwizzleSupport(false)
|
|
, m_depthTextureSupport(false)
|
|
, m_flip(false)
|
|
, m_hash( (BX_PLATFORM_WINDOWS<<1) | BX_ARCH_64BIT)
|
|
, m_backBufferFbo(0)
|
|
, m_msaaBackBufferFbo(0)
|
|
{
|
|
m_fbh.idx = invalidHandle;
|
|
memset(m_uniforms, 0, sizeof(m_uniforms) );
|
|
memset(&m_resolution, 0, sizeof(m_resolution) );
|
|
|
|
setRenderContextSize(BGFX_DEFAULT_WIDTH, BGFX_DEFAULT_HEIGHT);
|
|
|
|
m_vendor = getGLString(GL_VENDOR);
|
|
m_renderer = getGLString(GL_RENDERER);
|
|
m_version = getGLString(GL_VERSION);
|
|
m_glslVersion = getGLString(GL_SHADING_LANGUAGE_VERSION);
|
|
|
|
GLint numCmpFormats = 0;
|
|
GL_CHECK(glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCmpFormats) );
|
|
BX_TRACE("GL_NUM_COMPRESSED_TEXTURE_FORMATS %d", numCmpFormats);
|
|
|
|
GLint* cmpFormat = NULL;
|
|
|
|
if (0 < numCmpFormats)
|
|
{
|
|
numCmpFormats = numCmpFormats > 256 ? 256 : numCmpFormats;
|
|
cmpFormat = (GLint*)alloca(sizeof(GLint)*numCmpFormats);
|
|
GL_CHECK(glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, cmpFormat) );
|
|
|
|
for (GLint ii = 0; ii < numCmpFormats; ++ii)
|
|
{
|
|
GLint internalFmt = cmpFormat[ii];
|
|
uint32_t fmt = uint32_t(TextureFormat::Unknown);
|
|
for (uint32_t jj = 0; jj < fmt; ++jj)
|
|
{
|
|
if (s_textureFormat[jj].m_internalFmt == (GLenum)internalFmt)
|
|
{
|
|
s_textureFormat[jj].m_supported = true;
|
|
fmt = jj;
|
|
}
|
|
}
|
|
|
|
BX_TRACE(" %3d: %8x %s", ii, internalFmt, getName( (TextureFormat::Enum)fmt) );
|
|
}
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_DEBUG) )
|
|
{
|
|
#define GL_GET(_pname, _min) BX_TRACE(" " #_pname " %d (min: %d)", glGet(_pname), _min)
|
|
BX_TRACE("Defaults:");
|
|
#if BGFX_CONFIG_RENDERER_OPENGL >= 41 || BGFX_CONFIG_RENDERER_OPENGLES
|
|
GL_GET(GL_MAX_FRAGMENT_UNIFORM_VECTORS, 16);
|
|
GL_GET(GL_MAX_VERTEX_UNIFORM_VECTORS, 128);
|
|
GL_GET(GL_MAX_VARYING_VECTORS, 8);
|
|
#else
|
|
GL_GET(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, 16 * 4);
|
|
GL_GET(GL_MAX_VERTEX_UNIFORM_COMPONENTS, 128 * 4);
|
|
GL_GET(GL_MAX_VARYING_FLOATS, 8 * 4);
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL >= 41 || BGFX_CONFIG_RENDERER_OPENGLES
|
|
GL_GET(GL_MAX_VERTEX_ATTRIBS, 8);
|
|
GL_GET(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, 8);
|
|
GL_GET(GL_MAX_CUBE_MAP_TEXTURE_SIZE, 16);
|
|
GL_GET(GL_MAX_TEXTURE_IMAGE_UNITS, 8);
|
|
GL_GET(GL_MAX_TEXTURE_SIZE, 64);
|
|
GL_GET(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, 0);
|
|
GL_GET(GL_MAX_RENDERBUFFER_SIZE, 1);
|
|
#undef GL_GET
|
|
|
|
BX_TRACE(" Vendor: %s", m_vendor);
|
|
BX_TRACE(" Renderer: %s", m_renderer);
|
|
BX_TRACE(" Version: %s", m_version);
|
|
BX_TRACE("GLSL version: %s", m_glslVersion);
|
|
}
|
|
|
|
// Initial binary shader hash depends on driver version.
|
|
m_hash = ( (BX_PLATFORM_WINDOWS<<1) | BX_ARCH_64BIT)
|
|
^ (uint64_t(getGLStringHash(GL_VENDOR ) )<<32)
|
|
^ (uint64_t(getGLStringHash(GL_RENDERER) )<<0 )
|
|
^ (uint64_t(getGLStringHash(GL_VERSION ) )<<16)
|
|
;
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_USE_EXTENSIONS) )
|
|
{
|
|
const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
|
|
glGetError(); // ignore error if glGetString returns NULL.
|
|
if (NULL != extensions)
|
|
{
|
|
char name[1024];
|
|
const char* pos = extensions;
|
|
const char* end = extensions + strlen(extensions);
|
|
uint32_t index = 0;
|
|
while (pos < end)
|
|
{
|
|
uint32_t len;
|
|
const char* space = strchr(pos, ' ');
|
|
if (NULL != space)
|
|
{
|
|
len = bx::uint32_min(sizeof(name), (uint32_t)(space - pos) );
|
|
}
|
|
else
|
|
{
|
|
len = bx::uint32_min(sizeof(name), (uint32_t)strlen(pos) );
|
|
}
|
|
|
|
strncpy(name, pos, len);
|
|
name[len] = '\0';
|
|
|
|
bool supported = false;
|
|
for (uint32_t ii = 0; ii < Extension::Count; ++ii)
|
|
{
|
|
Extension& extension = s_extension[ii];
|
|
if (!extension.m_supported
|
|
&& extension.m_initialize)
|
|
{
|
|
const char* ext = name;
|
|
if (0 == strncmp(ext, "GL_", 3) ) // skip GL_
|
|
{
|
|
ext += 3;
|
|
}
|
|
|
|
if (0 == strcmp(ext, extension.m_name) )
|
|
{
|
|
extension.m_supported = true;
|
|
supported = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
BX_TRACE("GL_EXTENSION %3d%s: %s", index, supported ? " (supported)" : "", name);
|
|
BX_UNUSED(supported);
|
|
|
|
pos += len+1;
|
|
++index;
|
|
}
|
|
|
|
BX_TRACE("Supported extensions:");
|
|
for (uint32_t ii = 0; ii < Extension::Count; ++ii)
|
|
{
|
|
if (s_extension[ii].m_supported)
|
|
{
|
|
BX_TRACE("\t%2d: %s", ii, s_extension[ii].m_name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool bc123Supported = 0
|
|
|| s_extension[Extension::EXT_texture_compression_s3tc ].m_supported
|
|
|| s_extension[Extension::MOZ_WEBGL_compressed_texture_s3tc ].m_supported
|
|
|| s_extension[Extension::WEBGL_compressed_texture_s3tc ].m_supported
|
|
|| s_extension[Extension::WEBKIT_WEBGL_compressed_texture_s3tc].m_supported
|
|
;
|
|
s_textureFormat[TextureFormat::BC1].m_supported |= bc123Supported
|
|
|| s_extension[Extension::ANGLE_texture_compression_dxt1].m_supported
|
|
|| s_extension[Extension::EXT_texture_compression_dxt1 ].m_supported
|
|
;
|
|
|
|
if (!s_textureFormat[TextureFormat::BC1].m_supported
|
|
&& ( s_textureFormat[TextureFormat::BC2].m_supported || s_textureFormat[TextureFormat::BC3].m_supported) )
|
|
{
|
|
// If RGBA_S3TC_DXT1 is not supported, maybe RGB_S3TC_DXT1 is?
|
|
for (GLint ii = 0; ii < numCmpFormats; ++ii)
|
|
{
|
|
if (GL_COMPRESSED_RGB_S3TC_DXT1_EXT == cmpFormat[ii])
|
|
{
|
|
setTextureFormat(TextureFormat::BC1, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_RGB_S3TC_DXT1_EXT);
|
|
s_textureFormat[TextureFormat::BC1].m_supported = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
s_textureFormat[TextureFormat::BC2].m_supported |= bc123Supported
|
|
|| s_extension[Extension::ANGLE_texture_compression_dxt3 ].m_supported
|
|
|| s_extension[Extension::CHROMIUM_texture_compression_dxt3].m_supported
|
|
;
|
|
|
|
s_textureFormat[TextureFormat::BC3].m_supported |= bc123Supported
|
|
|| s_extension[Extension::ANGLE_texture_compression_dxt5 ].m_supported
|
|
|| s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported
|
|
;
|
|
|
|
if (s_extension[Extension::EXT_texture_compression_latc].m_supported)
|
|
{
|
|
setTextureFormat(TextureFormat::BC4, GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_COMPRESSED_LUMINANCE_LATC1_EXT);
|
|
setTextureFormat(TextureFormat::BC5, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT);
|
|
}
|
|
|
|
if (s_extension[Extension::ARB_texture_compression_rgtc].m_supported
|
|
|| s_extension[Extension::EXT_texture_compression_rgtc].m_supported)
|
|
{
|
|
setTextureFormat(TextureFormat::BC4, GL_COMPRESSED_RED_RGTC1, GL_COMPRESSED_RED_RGTC1);
|
|
setTextureFormat(TextureFormat::BC5, GL_COMPRESSED_RG_RGTC2, GL_COMPRESSED_RG_RGTC2);
|
|
}
|
|
|
|
bool etc1Supported = 0
|
|
|| s_extension[Extension::OES_compressed_ETC1_RGB8_texture].m_supported
|
|
|| s_extension[Extension::WEBGL_compressed_texture_etc1 ].m_supported
|
|
;
|
|
s_textureFormat[TextureFormat::ETC1].m_supported |= etc1Supported;
|
|
|
|
bool etc2Supported = !!(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::ARB_ES3_compatibility].m_supported
|
|
;
|
|
s_textureFormat[TextureFormat::ETC2 ].m_supported |= etc2Supported;
|
|
s_textureFormat[TextureFormat::ETC2A ].m_supported |= etc2Supported;
|
|
s_textureFormat[TextureFormat::ETC2A1].m_supported |= etc2Supported;
|
|
|
|
if (!s_textureFormat[TextureFormat::ETC1].m_supported
|
|
&& s_textureFormat[TextureFormat::ETC2].m_supported)
|
|
{
|
|
// When ETC2 is supported override ETC1 texture format settings.
|
|
s_textureFormat[TextureFormat::ETC1].m_internalFmt = GL_COMPRESSED_RGB8_ETC2;
|
|
s_textureFormat[TextureFormat::ETC1].m_fmt = GL_COMPRESSED_RGB8_ETC2;
|
|
s_textureFormat[TextureFormat::ETC1].m_supported = true;
|
|
}
|
|
|
|
bool ptc1Supported = 0
|
|
|| s_extension[Extension::IMG_texture_compression_pvrtc ].m_supported
|
|
|| s_extension[Extension::WEBGL_compressed_texture_pvrtc].m_supported
|
|
;
|
|
s_textureFormat[TextureFormat::PTC12 ].m_supported |= ptc1Supported;
|
|
s_textureFormat[TextureFormat::PTC14 ].m_supported |= ptc1Supported;
|
|
s_textureFormat[TextureFormat::PTC12A].m_supported |= ptc1Supported;
|
|
s_textureFormat[TextureFormat::PTC14A].m_supported |= ptc1Supported;
|
|
|
|
bool ptc2Supported = s_extension[Extension::IMG_texture_compression_pvrtc2].m_supported;
|
|
s_textureFormat[TextureFormat::PTC22].m_supported |= ptc2Supported;
|
|
s_textureFormat[TextureFormat::PTC24].m_supported |= ptc2Supported;
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES) )
|
|
{
|
|
setTextureFormat(TextureFormat::D32, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT);
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
setTextureFormat(TextureFormat::R16, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT);
|
|
setTextureFormat(TextureFormat::RGBA16, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT);
|
|
}
|
|
else
|
|
{
|
|
setTextureFormat(TextureFormat::RGBA16F, GL_RGBA, GL_RGBA, GL_HALF_FLOAT);
|
|
|
|
if (BX_ENABLED(BX_PLATFORM_IOS) )
|
|
{
|
|
setTextureFormat(TextureFormat::D16, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT);
|
|
setTextureFormat(TextureFormat::D24S8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s_extension[Extension::EXT_texture_format_BGRA8888 ].m_supported
|
|
|| s_extension[Extension::EXT_bgra ].m_supported
|
|
|| s_extension[Extension::IMG_texture_format_BGRA8888 ].m_supported
|
|
|| s_extension[Extension::APPLE_texture_format_BGRA8888].m_supported)
|
|
{
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
|
|
{
|
|
m_readPixelsFmt = GL_BGRA;
|
|
}
|
|
|
|
s_textureFormat[TextureFormat::BGRA8].m_fmt = GL_BGRA;
|
|
|
|
// Mixing GLES and GL extensions here. OpenGL EXT_bgra and
|
|
// APPLE_texture_format_BGRA8888 wants
|
|
// format to be BGRA but internal format to stay RGBA, but
|
|
// EXT_texture_format_BGRA8888 wants both format and internal
|
|
// format to be BGRA.
|
|
//
|
|
// Reference:
|
|
// https://www.khronos.org/registry/gles/extensions/EXT/EXT_texture_format_BGRA8888.txt
|
|
// https://www.opengl.org/registry/specs/EXT/bgra.txt
|
|
// https://www.khronos.org/registry/gles/extensions/APPLE/APPLE_texture_format_BGRA8888.txt
|
|
if (!s_extension[Extension::EXT_bgra ].m_supported
|
|
&& !s_extension[Extension::APPLE_texture_format_BGRA8888].m_supported)
|
|
{
|
|
s_textureFormat[TextureFormat::BGRA8].m_internalFmt = GL_BGRA;
|
|
}
|
|
|
|
if (!isTextureFormatValid(TextureFormat::BGRA8) )
|
|
{
|
|
// Revert back to RGBA if texture can't be created.
|
|
setTextureFormat(TextureFormat::BGRA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE);
|
|
}
|
|
}
|
|
|
|
if (!BX_ENABLED(BX_PLATFORM_EMSCRIPTEN) )
|
|
{
|
|
for (uint32_t ii = 0; ii < TextureFormat::Count; ++ii)
|
|
{
|
|
if (TextureFormat::Unknown != ii
|
|
&& TextureFormat::UnknownDepth != ii)
|
|
{
|
|
s_textureFormat[ii].m_supported = isTextureFormatValid( (TextureFormat::Enum)ii);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (uint32_t ii = 0; ii < TextureFormat::Count; ++ii)
|
|
{
|
|
g_caps.formats[ii] = s_textureFormat[ii].m_supported ? 1 : 0;
|
|
}
|
|
|
|
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30) || s_extension[Extension::OES_texture_3D].m_supported
|
|
? BGFX_CAPS_TEXTURE_3D
|
|
: 0
|
|
;
|
|
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30) || s_extension[Extension::EXT_shadow_samplers].m_supported
|
|
? BGFX_CAPS_TEXTURE_COMPARE_ALL
|
|
: 0
|
|
;
|
|
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30) || s_extension[Extension::OES_vertex_half_float].m_supported
|
|
? BGFX_CAPS_VERTEX_ATTRIB_HALF
|
|
: 0
|
|
;
|
|
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30) || s_extension[Extension::EXT_frag_depth].m_supported
|
|
? BGFX_CAPS_FRAGMENT_DEPTH
|
|
: 0
|
|
;
|
|
g_caps.supported |= s_extension[Extension::ARB_draw_buffers_blend].m_supported
|
|
? BGFX_CAPS_BLEND_INDEPENDENT
|
|
: 0
|
|
;
|
|
g_caps.supported |= s_extension[Extension::INTEL_fragment_shader_ordering].m_supported
|
|
? BGFX_CAPS_FRAGMENT_ORDERING
|
|
: 0
|
|
;
|
|
|
|
g_caps.maxTextureSize = glGet(GL_MAX_TEXTURE_SIZE);
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::EXT_draw_buffers].m_supported)
|
|
{
|
|
g_caps.maxFBAttachments = bx::uint32_min(glGet(GL_MAX_COLOR_ATTACHMENTS), BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS);
|
|
}
|
|
|
|
m_vaoSupport = !!(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::ARB_vertex_array_object].m_supported
|
|
|| s_extension[Extension::OES_vertex_array_object].m_supported
|
|
;
|
|
|
|
if (BX_ENABLED(BX_PLATFORM_NACL) )
|
|
{
|
|
m_vaoSupport &= NULL != glGenVertexArrays
|
|
&& NULL != glDeleteVertexArrays
|
|
&& NULL != glBindVertexArray
|
|
;
|
|
}
|
|
|
|
if (m_vaoSupport)
|
|
{
|
|
GL_CHECK(glGenVertexArrays(1, &m_vao) );
|
|
}
|
|
|
|
m_samplerObjectSupport = !!(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::ARB_sampler_objects].m_supported
|
|
;
|
|
|
|
m_shadowSamplersSupport = !!(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::EXT_shadow_samplers].m_supported
|
|
;
|
|
|
|
m_programBinarySupport = !!(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::ARB_get_program_binary].m_supported
|
|
|| s_extension[Extension::OES_get_program_binary].m_supported
|
|
|| s_extension[Extension::IMG_shader_binary ].m_supported
|
|
;
|
|
|
|
m_textureSwizzleSupport = false
|
|
|| s_extension[Extension::ARB_texture_swizzle].m_supported
|
|
|| s_extension[Extension::EXT_texture_swizzle].m_supported
|
|
;
|
|
|
|
m_depthTextureSupport = !!(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::ANGLE_depth_texture ].m_supported
|
|
|| s_extension[Extension::CHROMIUM_depth_texture ].m_supported
|
|
|| s_extension[Extension::GOOGLE_depth_texture ].m_supported
|
|
|| s_extension[Extension::OES_depth_texture ].m_supported
|
|
|| s_extension[Extension::MOZ_WEBGL_depth_texture ].m_supported
|
|
|| s_extension[Extension::WEBGL_depth_texture ].m_supported
|
|
|| s_extension[Extension::WEBKIT_WEBGL_depth_texture].m_supported
|
|
;
|
|
|
|
g_caps.supported |= m_depthTextureSupport
|
|
? BGFX_CAPS_TEXTURE_COMPARE_LEQUAL
|
|
: 0
|
|
;
|
|
|
|
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGLES >= 31)
|
|
|| s_extension[Extension::ARB_compute_shader].m_supported
|
|
? BGFX_CAPS_COMPUTE
|
|
: 0
|
|
;
|
|
|
|
g_caps.supported |= GlContext::isSwapChainSupported()
|
|
? BGFX_CAPS_SWAP_CHAIN
|
|
: 0
|
|
;
|
|
|
|
if (s_extension[Extension::EXT_texture_filter_anisotropic].m_supported)
|
|
{
|
|
GL_CHECK(glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &m_maxAnisotropy) );
|
|
}
|
|
|
|
if (s_extension[Extension::ARB_texture_multisample].m_supported
|
|
|| s_extension[Extension::ANGLE_framebuffer_multisample].m_supported)
|
|
{
|
|
GL_CHECK(glGetIntegerv(GL_MAX_SAMPLES, &m_maxMsaa) );
|
|
}
|
|
|
|
if (s_extension[Extension::OES_read_format].m_supported
|
|
&& (s_extension[Extension::IMG_read_format].m_supported || s_extension[Extension::EXT_read_format_bgra].m_supported) )
|
|
{
|
|
m_readPixelsFmt = GL_BGRA;
|
|
}
|
|
else
|
|
{
|
|
m_readPixelsFmt = GL_RGBA;
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
g_caps.supported |= BGFX_CAPS_INSTANCING;
|
|
}
|
|
else
|
|
{
|
|
if (!BX_ENABLED(BX_PLATFORM_IOS) )
|
|
{
|
|
if (s_extension[Extension::ARB_instanced_arrays].m_supported
|
|
|| s_extension[Extension::ANGLE_instanced_arrays].m_supported)
|
|
{
|
|
if (NULL != glVertexAttribDivisor
|
|
&& NULL != glDrawArraysInstanced
|
|
&& NULL != glDrawElementsInstanced)
|
|
{
|
|
g_caps.supported |= BGFX_CAPS_INSTANCING;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (0 == (g_caps.supported & BGFX_CAPS_INSTANCING) )
|
|
{
|
|
glVertexAttribDivisor = stubVertexAttribDivisor;
|
|
glDrawArraysInstanced = stubDrawArraysInstanced;
|
|
glDrawElementsInstanced = stubDrawElementsInstanced;
|
|
}
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL >= 31)
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
s_textureFormat[TextureFormat::R8].m_internalFmt = GL_R8;
|
|
s_textureFormat[TextureFormat::R8].m_fmt = GL_RED;
|
|
}
|
|
|
|
#if BGFX_CONFIG_RENDERER_OPENGL
|
|
if (s_extension[Extension::ARB_debug_output].m_supported
|
|
|| s_extension[Extension::KHR_debug].m_supported)
|
|
{
|
|
GL_CHECK(glDebugMessageCallback(debugProcCb, NULL) );
|
|
GL_CHECK(glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_MEDIUM_ARB, 0, NULL, GL_TRUE) );
|
|
}
|
|
|
|
if (s_extension[Extension::ARB_seamless_cube_map].m_supported)
|
|
{
|
|
GL_CHECK(glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS) );
|
|
}
|
|
|
|
if (s_extension[Extension::ARB_depth_clamp].m_supported)
|
|
{
|
|
GL_CHECK(glEnable(GL_DEPTH_CLAMP) );
|
|
}
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL
|
|
|
|
if (NULL == glFrameTerminatorGREMEDY
|
|
|| !s_extension[Extension::GREMEDY_frame_terminator].m_supported)
|
|
{
|
|
glFrameTerminatorGREMEDY = stubFrameTerminatorGREMEDY;
|
|
}
|
|
|
|
if (NULL == glInsertEventMarker
|
|
|| !s_extension[Extension::EXT_debug_marker].m_supported)
|
|
{
|
|
glInsertEventMarker = (NULL != glStringMarkerGREMEDY && s_extension[Extension::GREMEDY_string_marker].m_supported)
|
|
? stubInsertEventMarkerGREMEDY
|
|
: stubInsertEventMarker
|
|
;
|
|
}
|
|
|
|
if (NULL == glObjectLabel)
|
|
{
|
|
glObjectLabel = stubObjectLabel;
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
|
|
{
|
|
m_queries.create();
|
|
}
|
|
}
|
|
|
|
~RendererContextGL()
|
|
{
|
|
if (m_vaoSupport)
|
|
{
|
|
GL_CHECK(glBindVertexArray(0) );
|
|
GL_CHECK(glDeleteVertexArrays(1, &m_vao) );
|
|
m_vao = 0;
|
|
}
|
|
|
|
captureFinish();
|
|
|
|
invalidateCache();
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
|
|
{
|
|
m_queries.destroy();
|
|
}
|
|
|
|
destroyMsaaFbo();
|
|
m_glctx.destroy();
|
|
|
|
m_flip = false;
|
|
}
|
|
|
|
RendererType::Enum getRendererType() const BX_OVERRIDE
|
|
{
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
|
|
{
|
|
return RendererType::OpenGL;
|
|
}
|
|
|
|
return RendererType::OpenGLES;
|
|
}
|
|
|
|
const char* getRendererName() const BX_OVERRIDE
|
|
{
|
|
return BGFX_RENDERER_OPENGL_NAME;
|
|
}
|
|
|
|
void flip()
|
|
{
|
|
if (m_flip)
|
|
{
|
|
for (uint32_t ii = 1, num = m_numWindows; ii < num; ++ii)
|
|
{
|
|
m_glctx.swap(m_frameBuffers[m_windows[ii].idx].m_swapChain);
|
|
}
|
|
m_glctx.swap();
|
|
}
|
|
}
|
|
|
|
void createIndexBuffer(IndexBufferHandle _handle, Memory* _mem) BX_OVERRIDE
|
|
{
|
|
m_indexBuffers[_handle.idx].create(_mem->size, _mem->data);
|
|
}
|
|
|
|
void destroyIndexBuffer(IndexBufferHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_indexBuffers[_handle.idx].destroy();
|
|
}
|
|
|
|
void createVertexDecl(VertexDeclHandle _handle, const VertexDecl& _decl) BX_OVERRIDE
|
|
{
|
|
VertexDecl& decl = m_vertexDecls[_handle.idx];
|
|
memcpy(&decl, &_decl, sizeof(VertexDecl) );
|
|
dump(decl);
|
|
}
|
|
|
|
void destroyVertexDecl(VertexDeclHandle /*_handle*/) BX_OVERRIDE
|
|
{
|
|
}
|
|
|
|
void createVertexBuffer(VertexBufferHandle _handle, Memory* _mem, VertexDeclHandle _declHandle) BX_OVERRIDE
|
|
{
|
|
m_vertexBuffers[_handle.idx].create(_mem->size, _mem->data, _declHandle);
|
|
}
|
|
|
|
void destroyVertexBuffer(VertexBufferHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_vertexBuffers[_handle.idx].destroy();
|
|
}
|
|
|
|
void createDynamicIndexBuffer(IndexBufferHandle _handle, uint32_t _size) BX_OVERRIDE
|
|
{
|
|
m_indexBuffers[_handle.idx].create(_size, NULL);
|
|
}
|
|
|
|
void updateDynamicIndexBuffer(IndexBufferHandle _handle, uint32_t _offset, uint32_t _size, Memory* _mem) BX_OVERRIDE
|
|
{
|
|
m_indexBuffers[_handle.idx].update(_offset, bx::uint32_min(_size, _mem->size), _mem->data);
|
|
}
|
|
|
|
void destroyDynamicIndexBuffer(IndexBufferHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_indexBuffers[_handle.idx].destroy();
|
|
}
|
|
|
|
void createDynamicVertexBuffer(VertexBufferHandle _handle, uint32_t _size) BX_OVERRIDE
|
|
{
|
|
VertexDeclHandle decl = BGFX_INVALID_HANDLE;
|
|
m_vertexBuffers[_handle.idx].create(_size, NULL, decl);
|
|
}
|
|
|
|
void updateDynamicVertexBuffer(VertexBufferHandle _handle, uint32_t _offset, uint32_t _size, Memory* _mem) BX_OVERRIDE
|
|
{
|
|
m_vertexBuffers[_handle.idx].update(_offset, bx::uint32_min(_size, _mem->size), _mem->data);
|
|
}
|
|
|
|
void destroyDynamicVertexBuffer(VertexBufferHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_vertexBuffers[_handle.idx].destroy();
|
|
}
|
|
|
|
void createShader(ShaderHandle _handle, Memory* _mem) BX_OVERRIDE
|
|
{
|
|
m_shaders[_handle.idx].create(_mem);
|
|
}
|
|
|
|
void destroyShader(ShaderHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_shaders[_handle.idx].destroy();
|
|
}
|
|
|
|
void createProgram(ProgramHandle _handle, ShaderHandle _vsh, ShaderHandle _fsh) BX_OVERRIDE
|
|
{
|
|
ShaderGL dummyFragmentShader;
|
|
m_program[_handle.idx].create(m_shaders[_vsh.idx], isValid(_fsh) ? m_shaders[_fsh.idx] : dummyFragmentShader);
|
|
}
|
|
|
|
void destroyProgram(ProgramHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_program[_handle.idx].destroy();
|
|
}
|
|
|
|
void createTexture(TextureHandle _handle, Memory* _mem, uint32_t _flags, uint8_t _skip) BX_OVERRIDE
|
|
{
|
|
m_textures[_handle.idx].create(_mem, _flags, _skip);
|
|
}
|
|
|
|
void updateTextureBegin(TextureHandle /*_handle*/, uint8_t /*_side*/, uint8_t /*_mip*/) BX_OVERRIDE
|
|
{
|
|
}
|
|
|
|
void updateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem) BX_OVERRIDE
|
|
{
|
|
m_textures[_handle.idx].update(_side, _mip, _rect, _z, _depth, _pitch, _mem);
|
|
}
|
|
|
|
void updateTextureEnd() BX_OVERRIDE
|
|
{
|
|
}
|
|
|
|
void destroyTexture(TextureHandle _handle) BX_OVERRIDE
|
|
{
|
|
m_textures[_handle.idx].destroy();
|
|
}
|
|
|
|
void createFrameBuffer(FrameBufferHandle _handle, uint8_t _num, const TextureHandle* _textureHandles) BX_OVERRIDE
|
|
{
|
|
m_frameBuffers[_handle.idx].create(_num, _textureHandles);
|
|
}
|
|
|
|
void createFrameBuffer(FrameBufferHandle _handle, void* _nwh, uint32_t _width, uint32_t _height, TextureFormat::Enum _depthFormat) BX_OVERRIDE
|
|
{
|
|
uint16_t denseIdx = m_numWindows++;
|
|
m_windows[denseIdx] = _handle;
|
|
m_frameBuffers[_handle.idx].create(denseIdx, _nwh, _width, _height, _depthFormat);
|
|
}
|
|
|
|
void destroyFrameBuffer(FrameBufferHandle _handle) BX_OVERRIDE
|
|
{
|
|
uint16_t denseIdx = m_frameBuffers[_handle.idx].destroy();
|
|
if (UINT16_MAX != denseIdx)
|
|
{
|
|
--m_numWindows;
|
|
if (m_numWindows > 1)
|
|
{
|
|
FrameBufferHandle handle = m_windows[m_numWindows];
|
|
m_windows[denseIdx] = handle;
|
|
m_frameBuffers[handle.idx].m_denseIdx = denseIdx;
|
|
}
|
|
}
|
|
}
|
|
|
|
void createUniform(UniformHandle _handle, UniformType::Enum _type, uint16_t _num, const char* _name) BX_OVERRIDE
|
|
{
|
|
if (NULL != m_uniforms[_handle.idx])
|
|
{
|
|
BX_FREE(g_allocator, m_uniforms[_handle.idx]);
|
|
}
|
|
|
|
uint32_t size = g_uniformTypeSize[_type]*_num;
|
|
void* data = BX_ALLOC(g_allocator, size);
|
|
memset(data, 0, size);
|
|
m_uniforms[_handle.idx] = data;
|
|
m_uniformReg.add(_handle, _name, m_uniforms[_handle.idx]);
|
|
}
|
|
|
|
void destroyUniform(UniformHandle _handle) BX_OVERRIDE
|
|
{
|
|
BX_FREE(g_allocator, m_uniforms[_handle.idx]);
|
|
m_uniforms[_handle.idx] = NULL;
|
|
}
|
|
|
|
void saveScreenShot(const char* _filePath) BX_OVERRIDE
|
|
{
|
|
uint32_t length = m_resolution.m_width*m_resolution.m_height*4;
|
|
uint8_t* data = (uint8_t*)BX_ALLOC(g_allocator, length);
|
|
|
|
uint32_t width = m_resolution.m_width;
|
|
uint32_t height = m_resolution.m_height;
|
|
|
|
GL_CHECK(glReadPixels(0
|
|
, 0
|
|
, width
|
|
, height
|
|
, m_readPixelsFmt
|
|
, GL_UNSIGNED_BYTE
|
|
, data
|
|
) );
|
|
|
|
if (GL_RGBA == m_readPixelsFmt)
|
|
{
|
|
imageSwizzleBgra8(width, height, width*4, data, data);
|
|
}
|
|
|
|
g_callback->screenShot(_filePath
|
|
, width
|
|
, height
|
|
, width*4
|
|
, data
|
|
, length
|
|
, true
|
|
);
|
|
BX_FREE(g_allocator, data);
|
|
}
|
|
|
|
void updateViewName(uint8_t _id, const char* _name) BX_OVERRIDE
|
|
{
|
|
bx::strlcpy(&s_viewName[_id][0], _name, BX_COUNTOF(s_viewName[0]) );
|
|
}
|
|
|
|
void updateUniform(uint16_t _loc, const void* _data, uint32_t _size) BX_OVERRIDE
|
|
{
|
|
memcpy(m_uniforms[_loc], _data, _size);
|
|
}
|
|
|
|
void setMarker(const char* _marker, uint32_t _size) BX_OVERRIDE
|
|
{
|
|
GL_CHECK(glInsertEventMarker(_size, _marker) );
|
|
}
|
|
|
|
void submit(Frame* _render, ClearQuad& _clearQuad, TextVideoMemBlitter& _textVideoMemBlitter) BX_OVERRIDE;
|
|
|
|
void blitSetup(TextVideoMemBlitter& _blitter) BX_OVERRIDE
|
|
{
|
|
if (0 != m_vao)
|
|
{
|
|
GL_CHECK(glBindVertexArray(m_vao) );
|
|
}
|
|
|
|
uint32_t width = m_resolution.m_width;
|
|
uint32_t height = m_resolution.m_height;
|
|
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_backBufferFbo) );
|
|
GL_CHECK(glViewport(0, 0, width, height) );
|
|
|
|
GL_CHECK(glDisable(GL_SCISSOR_TEST) );
|
|
GL_CHECK(glDisable(GL_STENCIL_TEST) );
|
|
GL_CHECK(glDisable(GL_DEPTH_TEST) );
|
|
GL_CHECK(glDepthFunc(GL_ALWAYS) );
|
|
GL_CHECK(glDisable(GL_CULL_FACE) );
|
|
GL_CHECK(glDisable(GL_BLEND) );
|
|
GL_CHECK(glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE) );
|
|
|
|
ProgramGL& program = m_program[_blitter.m_program.idx];
|
|
GL_CHECK(glUseProgram(program.m_id) );
|
|
GL_CHECK(glUniform1i(program.m_sampler[0], 0) );
|
|
|
|
float proj[16];
|
|
mtxOrtho(proj, 0.0f, (float)width, (float)height, 0.0f, 0.0f, 1000.0f);
|
|
|
|
GL_CHECK(glUniformMatrix4fv(program.m_predefined[0].m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, proj
|
|
) );
|
|
|
|
GL_CHECK(glActiveTexture(GL_TEXTURE0) );
|
|
GL_CHECK(glBindTexture(GL_TEXTURE_2D, m_textures[_blitter.m_texture.idx].m_id) );
|
|
}
|
|
|
|
void blitRender(TextVideoMemBlitter& _blitter, uint32_t _numIndices) BX_OVERRIDE
|
|
{
|
|
uint32_t numVertices = _numIndices*4/6;
|
|
m_indexBuffers[_blitter.m_ib->handle.idx].update(0, _numIndices*2, _blitter.m_ib->data);
|
|
m_vertexBuffers[_blitter.m_vb->handle.idx].update(0, numVertices*_blitter.m_decl.m_stride, _blitter.m_vb->data);
|
|
|
|
VertexBufferGL& vb = m_vertexBuffers[_blitter.m_vb->handle.idx];
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, vb.m_id) );
|
|
|
|
IndexBufferGL& ib = m_indexBuffers[_blitter.m_ib->handle.idx];
|
|
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ib.m_id) );
|
|
|
|
ProgramGL& program = m_program[_blitter.m_program.idx];
|
|
program.bindAttributes(_blitter.m_decl, 0);
|
|
|
|
GL_CHECK(glDrawElements(GL_TRIANGLES
|
|
, _numIndices
|
|
, GL_UNSIGNED_SHORT
|
|
, (void*)0
|
|
) );
|
|
}
|
|
|
|
void updateResolution(const Resolution& _resolution)
|
|
{
|
|
if (m_resolution.m_width != _resolution.m_width
|
|
|| m_resolution.m_height != _resolution.m_height
|
|
|| m_resolution.m_flags != _resolution.m_flags)
|
|
{
|
|
m_textVideoMem.resize(false, _resolution.m_width, _resolution.m_height);
|
|
m_textVideoMem.clear();
|
|
|
|
m_resolution = _resolution;
|
|
|
|
uint32_t msaa = (m_resolution.m_flags&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT;
|
|
msaa = bx::uint32_min(m_maxMsaa, msaa == 0 ? 0 : 1<<msaa);
|
|
bool vsync = !!(m_resolution.m_flags&BGFX_RESET_VSYNC);
|
|
setRenderContextSize(_resolution.m_width, _resolution.m_height, msaa, vsync);
|
|
updateCapture();
|
|
}
|
|
}
|
|
|
|
uint32_t setFrameBuffer(FrameBufferHandle _fbh, uint32_t _height, bool _msaa = true)
|
|
{
|
|
if (isValid(m_fbh)
|
|
&& m_fbh.idx != _fbh.idx
|
|
&& m_rtMsaa)
|
|
{
|
|
FrameBufferGL& frameBuffer = m_frameBuffers[m_fbh.idx];
|
|
frameBuffer.resolve();
|
|
}
|
|
|
|
m_glctx.makeCurrent(NULL);
|
|
|
|
if (!isValid(_fbh) )
|
|
{
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_msaaBackBufferFbo) );
|
|
}
|
|
else
|
|
{
|
|
FrameBufferGL& frameBuffer = m_frameBuffers[_fbh.idx];
|
|
_height = frameBuffer.m_height;
|
|
if (UINT16_MAX != frameBuffer.m_denseIdx)
|
|
{
|
|
m_glctx.makeCurrent(frameBuffer.m_swapChain);
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, 0) );
|
|
}
|
|
else
|
|
{
|
|
m_glctx.makeCurrent(NULL);
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer.m_fbo[0]) );
|
|
}
|
|
}
|
|
|
|
m_fbh = _fbh;
|
|
m_rtMsaa = _msaa;
|
|
|
|
return _height;
|
|
}
|
|
|
|
uint32_t getNumRt() const
|
|
{
|
|
if (isValid(m_fbh) )
|
|
{
|
|
const FrameBufferGL& frameBuffer = m_frameBuffers[m_fbh.idx];
|
|
return frameBuffer.m_num;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void createMsaaFbo(uint32_t _width, uint32_t _height, uint32_t _msaa)
|
|
{
|
|
if (0 == m_msaaBackBufferFbo // iOS
|
|
&& 1 < _msaa)
|
|
{
|
|
GL_CHECK(glGenFramebuffers(1, &m_msaaBackBufferFbo) );
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_msaaBackBufferFbo) );
|
|
GL_CHECK(glGenRenderbuffers(BX_COUNTOF(m_msaaBackBufferRbos), m_msaaBackBufferRbos) );
|
|
GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, m_msaaBackBufferRbos[0]) );
|
|
GL_CHECK(glRenderbufferStorageMultisample(GL_RENDERBUFFER, _msaa, GL_RGBA8, _width, _height) );
|
|
GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, m_msaaBackBufferRbos[1]) );
|
|
GL_CHECK(glRenderbufferStorageMultisample(GL_RENDERBUFFER, _msaa, GL_DEPTH24_STENCIL8, _width, _height) );
|
|
GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, m_msaaBackBufferRbos[0]) );
|
|
|
|
GLenum attachment = BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) || BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
? GL_DEPTH_STENCIL_ATTACHMENT
|
|
: GL_DEPTH_ATTACHMENT
|
|
;
|
|
GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER, m_msaaBackBufferRbos[1]) );
|
|
|
|
BX_CHECK(GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_FRAMEBUFFER)
|
|
, "glCheckFramebufferStatus failed 0x%08x"
|
|
, glCheckFramebufferStatus(GL_FRAMEBUFFER)
|
|
);
|
|
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_msaaBackBufferFbo) );
|
|
}
|
|
}
|
|
|
|
void destroyMsaaFbo()
|
|
{
|
|
if (m_backBufferFbo != m_msaaBackBufferFbo // iOS
|
|
&& 0 != m_msaaBackBufferFbo)
|
|
{
|
|
GL_CHECK(glDeleteFramebuffers(1, &m_msaaBackBufferFbo) );
|
|
GL_CHECK(glDeleteRenderbuffers(BX_COUNTOF(m_msaaBackBufferRbos), m_msaaBackBufferRbos) );
|
|
m_msaaBackBufferFbo = 0;
|
|
}
|
|
}
|
|
|
|
void blitMsaaFbo()
|
|
{
|
|
if (m_backBufferFbo != m_msaaBackBufferFbo // iOS
|
|
&& 0 != m_msaaBackBufferFbo)
|
|
{
|
|
GL_CHECK(glDisable(GL_SCISSOR_TEST) );
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_backBufferFbo) );
|
|
GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_msaaBackBufferFbo) );
|
|
GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0) );
|
|
uint32_t width = m_resolution.m_width;
|
|
uint32_t height = m_resolution.m_height;
|
|
GLenum filter = BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) || BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES < 30)
|
|
? GL_NEAREST
|
|
: GL_LINEAR
|
|
;
|
|
GL_CHECK(glBlitFramebuffer(0
|
|
, 0
|
|
, width
|
|
, height
|
|
, 0
|
|
, 0
|
|
, width
|
|
, height
|
|
, GL_COLOR_BUFFER_BIT
|
|
, filter
|
|
) );
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_backBufferFbo) );
|
|
}
|
|
}
|
|
|
|
void setRenderContextSize(uint32_t _width, uint32_t _height, uint32_t _msaa = 0, bool _vsync = false)
|
|
{
|
|
if (_width != 0
|
|
|| _height != 0)
|
|
{
|
|
if (!m_glctx.isValid() )
|
|
{
|
|
m_glctx.create(_width, _height);
|
|
|
|
#if BX_PLATFORM_IOS
|
|
// iOS: need to figure out how to deal with FBO created by context.
|
|
m_backBufferFbo = m_msaaBackBufferFbo = m_glctx.getFbo();
|
|
#endif // BX_PLATFORM_IOS
|
|
}
|
|
else
|
|
{
|
|
destroyMsaaFbo();
|
|
|
|
m_glctx.resize(_width, _height, _vsync);
|
|
|
|
createMsaaFbo(_width, _height, _msaa);
|
|
}
|
|
}
|
|
|
|
m_flip = true;
|
|
}
|
|
|
|
void invalidateCache()
|
|
{
|
|
if (m_vaoSupport)
|
|
{
|
|
m_vaoStateCache.invalidate();
|
|
}
|
|
|
|
if ( (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) || BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
&& m_samplerObjectSupport)
|
|
{
|
|
m_samplerStateCache.invalidate();
|
|
}
|
|
}
|
|
|
|
void setSamplerState(uint32_t _stage, uint32_t _numMips, uint32_t _flags)
|
|
{
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
if (0 == (BGFX_SAMPLER_DEFAULT_FLAGS & _flags) )
|
|
{
|
|
_flags &= ~BGFX_TEXTURE_RESERVED_MASK;
|
|
_flags &= BGFX_TEXTURE_SAMPLER_BITS_MASK;
|
|
_flags |= _numMips<<BGFX_TEXTURE_RESERVED_SHIFT;
|
|
GLuint sampler = m_samplerStateCache.find(_flags);
|
|
|
|
if (UINT32_MAX == sampler)
|
|
{
|
|
sampler = m_samplerStateCache.add(_flags);
|
|
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_WRAP_S, s_textureAddress[(_flags&BGFX_TEXTURE_U_MASK)>>BGFX_TEXTURE_U_SHIFT]) );
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_WRAP_T, s_textureAddress[(_flags&BGFX_TEXTURE_V_MASK)>>BGFX_TEXTURE_V_SHIFT]) );
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_WRAP_R, s_textureAddress[(_flags&BGFX_TEXTURE_W_MASK)>>BGFX_TEXTURE_W_SHIFT]) );
|
|
|
|
const uint32_t mag = (_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
|
|
const uint32_t min = (_flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT;
|
|
const uint32_t mip = (_flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT;
|
|
GLenum minFilter = s_textureFilterMin[min][1 < _numMips ? mip+1 : 0];
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, s_textureFilterMag[mag]) );
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, minFilter) );
|
|
if (0 != (_flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
|
|
&& 0.0f < m_maxAnisotropy)
|
|
{
|
|
GL_CHECK(glSamplerParameterf(sampler, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_maxAnisotropy) );
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| m_shadowSamplersSupport)
|
|
{
|
|
const uint32_t cmpFunc = (_flags&BGFX_TEXTURE_COMPARE_MASK)>>BGFX_TEXTURE_COMPARE_SHIFT;
|
|
if (0 == cmpFunc)
|
|
{
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE) );
|
|
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_COMPARE_FUNC, s_cmpFunc[cmpFunc]) );
|
|
}
|
|
}
|
|
}
|
|
|
|
GL_CHECK(glBindSampler(_stage, sampler) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glBindSampler(_stage, 0) );
|
|
}
|
|
}
|
|
}
|
|
|
|
void updateCapture()
|
|
{
|
|
if (m_resolution.m_flags&BGFX_RESET_CAPTURE)
|
|
{
|
|
m_captureSize = m_resolution.m_width*m_resolution.m_height*4;
|
|
m_capture = BX_REALLOC(g_allocator, m_capture, m_captureSize);
|
|
g_callback->captureBegin(m_resolution.m_width, m_resolution.m_height, m_resolution.m_width*4, TextureFormat::BGRA8, true);
|
|
}
|
|
else
|
|
{
|
|
captureFinish();
|
|
}
|
|
}
|
|
|
|
void capture()
|
|
{
|
|
if (NULL != m_capture)
|
|
{
|
|
GL_CHECK(glReadPixels(0
|
|
, 0
|
|
, m_resolution.m_width
|
|
, m_resolution.m_height
|
|
, m_readPixelsFmt
|
|
, GL_UNSIGNED_BYTE
|
|
, m_capture
|
|
) );
|
|
|
|
g_callback->captureFrame(m_capture, m_captureSize);
|
|
}
|
|
}
|
|
|
|
void captureFinish()
|
|
{
|
|
if (NULL != m_capture)
|
|
{
|
|
g_callback->captureEnd();
|
|
BX_FREE(g_allocator, m_capture);
|
|
m_capture = NULL;
|
|
m_captureSize = 0;
|
|
}
|
|
}
|
|
|
|
bool programFetchFromCache(GLuint programId, uint64_t _id)
|
|
{
|
|
_id ^= m_hash;
|
|
|
|
bool cached = false;
|
|
|
|
if (m_programBinarySupport)
|
|
{
|
|
uint32_t length = g_callback->cacheReadSize(_id);
|
|
cached = length > 0;
|
|
|
|
if (cached)
|
|
{
|
|
void* data = BX_ALLOC(g_allocator, length);
|
|
if (g_callback->cacheRead(_id, data, length) )
|
|
{
|
|
bx::MemoryReader reader(data, length);
|
|
|
|
GLenum format;
|
|
bx::read(&reader, format);
|
|
|
|
GL_CHECK(glProgramBinary(programId, format, reader.getDataPtr(), (GLsizei)reader.remaining() ) );
|
|
}
|
|
|
|
BX_FREE(g_allocator, data);
|
|
}
|
|
|
|
#if BGFX_CONFIG_RENDERER_OPENGL
|
|
GL_CHECK(glProgramParameteri(programId, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GL_TRUE) );
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL
|
|
}
|
|
|
|
return cached;
|
|
}
|
|
|
|
void programCache(GLuint programId, uint64_t _id)
|
|
{
|
|
_id ^= m_hash;
|
|
|
|
if (m_programBinarySupport)
|
|
{
|
|
GLint programLength;
|
|
GLenum format;
|
|
GL_CHECK(glGetProgramiv(programId, GL_PROGRAM_BINARY_LENGTH, &programLength) );
|
|
|
|
if (0 < programLength)
|
|
{
|
|
uint32_t length = programLength + 4;
|
|
uint8_t* data = (uint8_t*)BX_ALLOC(g_allocator, length);
|
|
GL_CHECK(glGetProgramBinary(programId, programLength, NULL, &format, &data[4]) );
|
|
*(uint32_t*)data = format;
|
|
|
|
g_callback->cacheWrite(_id, data, length);
|
|
|
|
BX_FREE(g_allocator, data);
|
|
}
|
|
}
|
|
}
|
|
|
|
void commit(ConstantBuffer& _constantBuffer)
|
|
{
|
|
_constantBuffer.reset();
|
|
|
|
for (;;)
|
|
{
|
|
uint32_t opcode = _constantBuffer.read();
|
|
|
|
if (UniformType::End == opcode)
|
|
{
|
|
break;
|
|
}
|
|
|
|
UniformType::Enum type;
|
|
uint16_t ignore;
|
|
uint16_t num;
|
|
uint16_t copy;
|
|
ConstantBuffer::decodeOpcode(opcode, type, ignore, num, copy);
|
|
|
|
const char* data;
|
|
if (copy)
|
|
{
|
|
data = _constantBuffer.read(g_uniformTypeSize[type]*num);
|
|
}
|
|
else
|
|
{
|
|
UniformHandle handle;
|
|
memcpy(&handle, _constantBuffer.read(sizeof(UniformHandle) ), sizeof(UniformHandle) );
|
|
data = (const char*)m_uniforms[handle.idx];
|
|
}
|
|
|
|
uint32_t loc = _constantBuffer.read();
|
|
|
|
#define CASE_IMPLEMENT_UNIFORM(_uniform, _glsuffix, _dxsuffix, _type) \
|
|
case UniformType::_uniform: \
|
|
{ \
|
|
_type* value = (_type*)data; \
|
|
GL_CHECK(glUniform##_glsuffix(loc, num, value) ); \
|
|
} \
|
|
break;
|
|
|
|
#define CASE_IMPLEMENT_UNIFORM_T(_uniform, _glsuffix, _dxsuffix, _type) \
|
|
case UniformType::_uniform: \
|
|
{ \
|
|
_type* value = (_type*)data; \
|
|
GL_CHECK(glUniform##_glsuffix(loc, num, GL_FALSE, value) ); \
|
|
} \
|
|
break;
|
|
|
|
switch (type)
|
|
{
|
|
// case ConstantType::Uniform1iv:
|
|
// {
|
|
// int* value = (int*)data;
|
|
// BX_TRACE("Uniform1iv sampler %d, loc %d (num %d, copy %d)", *value, loc, num, copy);
|
|
// GL_CHECK(glUniform1iv(loc, num, value) );
|
|
// }
|
|
// break;
|
|
|
|
CASE_IMPLEMENT_UNIFORM(Uniform1i, 1iv, I, int);
|
|
CASE_IMPLEMENT_UNIFORM(Uniform1f, 1fv, F, float);
|
|
CASE_IMPLEMENT_UNIFORM(Uniform1iv, 1iv, I, int);
|
|
CASE_IMPLEMENT_UNIFORM(Uniform1fv, 1fv, F, float);
|
|
CASE_IMPLEMENT_UNIFORM(Uniform2fv, 2fv, F, float);
|
|
CASE_IMPLEMENT_UNIFORM(Uniform3fv, 3fv, F, float);
|
|
CASE_IMPLEMENT_UNIFORM(Uniform4fv, 4fv, F, float);
|
|
CASE_IMPLEMENT_UNIFORM_T(Uniform3x3fv, Matrix3fv, F, float);
|
|
CASE_IMPLEMENT_UNIFORM_T(Uniform4x4fv, Matrix4fv, F, float);
|
|
|
|
case UniformType::End:
|
|
break;
|
|
|
|
default:
|
|
BX_TRACE("%4d: INVALID 0x%08x, t %d, l %d, n %d, c %d", _constantBuffer.getPos(), opcode, type, loc, num, copy);
|
|
break;
|
|
}
|
|
|
|
#undef CASE_IMPLEMENT_UNIFORM
|
|
#undef CASE_IMPLEMENT_UNIFORM_T
|
|
|
|
}
|
|
}
|
|
|
|
void clearQuad(ClearQuad& _clearQuad, const Rect& _rect, const Clear& _clear, uint32_t _height, const float _palette[][4])
|
|
{
|
|
uint32_t numMrt = 1;
|
|
FrameBufferHandle fbh = m_fbh;
|
|
if (isValid(fbh) )
|
|
{
|
|
const FrameBufferGL& fb = m_frameBuffers[fbh.idx];
|
|
numMrt = bx::uint32_max(1, fb.m_num);
|
|
}
|
|
|
|
if (1 == numMrt)
|
|
{
|
|
GLuint flags = 0;
|
|
if (BGFX_CLEAR_COLOR_BIT & _clear.m_flags)
|
|
{
|
|
if (BGFX_CLEAR_COLOR_USE_PALETTE_BIT & _clear.m_flags)
|
|
{
|
|
uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_CLEAR_COLOR_PALETTE-1, _clear.m_index[0]);
|
|
const float* rgba = _palette[index];
|
|
const float rr = rgba[0];
|
|
const float gg = rgba[1];
|
|
const float bb = rgba[2];
|
|
const float aa = rgba[3];
|
|
GL_CHECK(glClearColor(rr, gg, bb, aa) );
|
|
}
|
|
else
|
|
{
|
|
float rr = _clear.m_index[0]*1.0f/255.0f;
|
|
float gg = _clear.m_index[1]*1.0f/255.0f;
|
|
float bb = _clear.m_index[2]*1.0f/255.0f;
|
|
float aa = _clear.m_index[3]*1.0f/255.0f;
|
|
GL_CHECK(glClearColor(rr, gg, bb, aa) );
|
|
}
|
|
|
|
flags |= GL_COLOR_BUFFER_BIT;
|
|
GL_CHECK(glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE) );
|
|
}
|
|
|
|
if (BGFX_CLEAR_DEPTH_BIT & _clear.m_flags)
|
|
{
|
|
flags |= GL_DEPTH_BUFFER_BIT;
|
|
GL_CHECK(glClearDepth(_clear.m_depth) );
|
|
GL_CHECK(glDepthMask(GL_TRUE) );
|
|
}
|
|
|
|
if (BGFX_CLEAR_STENCIL_BIT & _clear.m_flags)
|
|
{
|
|
flags |= GL_STENCIL_BUFFER_BIT;
|
|
GL_CHECK(glClearStencil(_clear.m_stencil) );
|
|
}
|
|
|
|
if (0 != flags)
|
|
{
|
|
GL_CHECK(glEnable(GL_SCISSOR_TEST) );
|
|
GL_CHECK(glScissor(_rect.m_x, _height-_rect.m_height-_rect.m_y, _rect.m_width, _rect.m_height) );
|
|
GL_CHECK(glClear(flags) );
|
|
GL_CHECK(glDisable(GL_SCISSOR_TEST) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const GLuint defaultVao = m_vao;
|
|
if (0 != defaultVao)
|
|
{
|
|
GL_CHECK(glBindVertexArray(defaultVao) );
|
|
}
|
|
|
|
GL_CHECK(glDisable(GL_SCISSOR_TEST) );
|
|
GL_CHECK(glDisable(GL_CULL_FACE) );
|
|
GL_CHECK(glDisable(GL_BLEND) );
|
|
|
|
GLboolean colorMask = !!(BGFX_CLEAR_COLOR_BIT & _clear.m_flags);
|
|
GL_CHECK(glColorMask(colorMask, colorMask, colorMask, colorMask) );
|
|
|
|
if (BGFX_CLEAR_DEPTH_BIT & _clear.m_flags)
|
|
{
|
|
GL_CHECK(glEnable(GL_DEPTH_TEST) );
|
|
GL_CHECK(glDepthFunc(GL_ALWAYS) );
|
|
GL_CHECK(glDepthMask(GL_TRUE) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_DEPTH_TEST) );
|
|
}
|
|
|
|
if (BGFX_CLEAR_STENCIL_BIT & _clear.m_flags)
|
|
{
|
|
GL_CHECK(glEnable(GL_STENCIL_TEST) );
|
|
GL_CHECK(glStencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS, _clear.m_stencil, 0xff) );
|
|
GL_CHECK(glStencilOpSeparate(GL_FRONT_AND_BACK, GL_REPLACE, GL_REPLACE, GL_REPLACE) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_STENCIL_TEST) );
|
|
}
|
|
|
|
VertexBufferGL& vb = m_vertexBuffers[_clearQuad.m_vb->handle.idx];
|
|
VertexDecl& vertexDecl = m_vertexDecls[_clearQuad.m_vb->decl.idx];
|
|
|
|
{
|
|
struct Vertex
|
|
{
|
|
float m_x;
|
|
float m_y;
|
|
float m_z;
|
|
};
|
|
|
|
Vertex* vertex = (Vertex*)_clearQuad.m_vb->data;
|
|
BX_CHECK(vertexDecl.m_stride == sizeof(Vertex), "Stride/Vertex mismatch (stride %d, sizeof(Vertex) %d)", vertexDecl.m_stride, sizeof(Vertex) );
|
|
|
|
const float depth = _clear.m_depth;
|
|
|
|
vertex->m_x = -1.0f;
|
|
vertex->m_y = -1.0f;
|
|
vertex->m_z = depth;
|
|
vertex++;
|
|
vertex->m_x = 1.0f;
|
|
vertex->m_y = -1.0f;
|
|
vertex->m_z = depth;
|
|
vertex++;
|
|
vertex->m_x = -1.0f;
|
|
vertex->m_y = 1.0f;
|
|
vertex->m_z = depth;
|
|
vertex++;
|
|
vertex->m_x = 1.0f;
|
|
vertex->m_y = 1.0f;
|
|
vertex->m_z = depth;
|
|
}
|
|
|
|
vb.update(0, 4*_clearQuad.m_decl.m_stride, _clearQuad.m_vb->data);
|
|
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, vb.m_id) );
|
|
|
|
ProgramGL& program = m_program[_clearQuad.m_program[numMrt-1].idx];
|
|
GL_CHECK(glUseProgram(program.m_id) );
|
|
program.bindAttributes(vertexDecl, 0);
|
|
|
|
if (BGFX_CLEAR_COLOR_USE_PALETTE_BIT & _clear.m_flags)
|
|
{
|
|
float mrtClear[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
|
|
for (uint32_t ii = 0; ii < numMrt; ++ii)
|
|
{
|
|
uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_CLEAR_COLOR_PALETTE-1, _clear.m_index[ii]);
|
|
memcpy(mrtClear[ii], _palette[index], 16);
|
|
}
|
|
|
|
GL_CHECK(glUniform4fv(0, numMrt, mrtClear[0]) );
|
|
}
|
|
else
|
|
{
|
|
float rgba[4] =
|
|
{
|
|
_clear.m_index[0]*1.0f/255.0f,
|
|
_clear.m_index[1]*1.0f/255.0f,
|
|
_clear.m_index[2]*1.0f/255.0f,
|
|
_clear.m_index[3]*1.0f/255.0f,
|
|
};
|
|
GL_CHECK(glUniform4fv(0, 1, rgba) );
|
|
}
|
|
|
|
GL_CHECK(glDrawArrays(GL_TRIANGLE_STRIP
|
|
, 0
|
|
, 4
|
|
) );
|
|
}
|
|
}
|
|
|
|
uint16_t m_numWindows;
|
|
FrameBufferHandle m_windows[BGFX_CONFIG_MAX_FRAME_BUFFERS];
|
|
|
|
IndexBufferGL m_indexBuffers[BGFX_CONFIG_MAX_INDEX_BUFFERS];
|
|
VertexBufferGL m_vertexBuffers[BGFX_CONFIG_MAX_VERTEX_BUFFERS];
|
|
ShaderGL m_shaders[BGFX_CONFIG_MAX_SHADERS];
|
|
ProgramGL m_program[BGFX_CONFIG_MAX_PROGRAMS];
|
|
TextureGL m_textures[BGFX_CONFIG_MAX_TEXTURES];
|
|
VertexDecl m_vertexDecls[BGFX_CONFIG_MAX_VERTEX_DECLS];
|
|
FrameBufferGL m_frameBuffers[BGFX_CONFIG_MAX_FRAME_BUFFERS];
|
|
UniformRegistry m_uniformReg;
|
|
void* m_uniforms[BGFX_CONFIG_MAX_UNIFORMS];
|
|
QueriesGL m_queries;
|
|
|
|
VaoStateCache m_vaoStateCache;
|
|
SamplerStateCache m_samplerStateCache;
|
|
|
|
TextVideoMem m_textVideoMem;
|
|
bool m_rtMsaa;
|
|
|
|
FrameBufferHandle m_fbh;
|
|
|
|
Resolution m_resolution;
|
|
void* m_capture;
|
|
uint32_t m_captureSize;
|
|
float m_maxAnisotropy;
|
|
int32_t m_maxMsaa;
|
|
GLuint m_vao;
|
|
bool m_vaoSupport;
|
|
bool m_samplerObjectSupport;
|
|
bool m_shadowSamplersSupport;
|
|
bool m_programBinarySupport;
|
|
bool m_textureSwizzleSupport;
|
|
bool m_depthTextureSupport;
|
|
bool m_flip;
|
|
|
|
uint64_t m_hash;
|
|
|
|
GLenum m_readPixelsFmt;
|
|
GLuint m_backBufferFbo;
|
|
GLuint m_msaaBackBufferFbo;
|
|
GLuint m_msaaBackBufferRbos[2];
|
|
GlContext m_glctx;
|
|
|
|
const char* m_vendor;
|
|
const char* m_renderer;
|
|
const char* m_version;
|
|
const char* m_glslVersion;
|
|
};
|
|
|
|
RendererContextGL* s_renderGL;
|
|
|
|
RendererContextI* rendererCreateGL()
|
|
{
|
|
s_renderGL = BX_NEW(g_allocator, RendererContextGL);
|
|
return s_renderGL;
|
|
}
|
|
|
|
void rendererDestroyGL()
|
|
{
|
|
BX_DELETE(g_allocator, s_renderGL);
|
|
s_renderGL = NULL;
|
|
}
|
|
|
|
const char* glslTypeName(GLuint _type)
|
|
{
|
|
#define GLSL_TYPE(_ty) case _ty: return #_ty
|
|
|
|
switch (_type)
|
|
{
|
|
GLSL_TYPE(GL_INT);
|
|
GLSL_TYPE(GL_INT_VEC2);
|
|
GLSL_TYPE(GL_INT_VEC3);
|
|
GLSL_TYPE(GL_INT_VEC4);
|
|
GLSL_TYPE(GL_UNSIGNED_INT);
|
|
GLSL_TYPE(GL_UNSIGNED_INT_VEC2);
|
|
GLSL_TYPE(GL_UNSIGNED_INT_VEC3);
|
|
GLSL_TYPE(GL_UNSIGNED_INT_VEC4);
|
|
GLSL_TYPE(GL_FLOAT);
|
|
GLSL_TYPE(GL_FLOAT_VEC2);
|
|
GLSL_TYPE(GL_FLOAT_VEC3);
|
|
GLSL_TYPE(GL_FLOAT_VEC4);
|
|
GLSL_TYPE(GL_FLOAT_MAT2);
|
|
GLSL_TYPE(GL_FLOAT_MAT3);
|
|
GLSL_TYPE(GL_FLOAT_MAT4);
|
|
// GLSL_TYPE(GL_FLOAT_MAT2x3);
|
|
// GLSL_TYPE(GL_FLOAT_MAT2x4);
|
|
// GLSL_TYPE(GL_FLOAT_MAT3x2);
|
|
// GLSL_TYPE(GL_FLOAT_MAT3x4);
|
|
// GLSL_TYPE(GL_FLOAT_MAT4x2);
|
|
// GLSL_TYPE(GL_FLOAT_MAT4x3);
|
|
// GLSL_TYPE(GL_SAMPLER_1D);
|
|
GLSL_TYPE(GL_SAMPLER_2D);
|
|
GLSL_TYPE(GL_SAMPLER_3D);
|
|
GLSL_TYPE(GL_SAMPLER_CUBE);
|
|
// GLSL_TYPE(GL_SAMPLER_1D_SHADOW);
|
|
GLSL_TYPE(GL_SAMPLER_2D_SHADOW);
|
|
GLSL_TYPE(GL_IMAGE_1D);
|
|
GLSL_TYPE(GL_IMAGE_2D);
|
|
GLSL_TYPE(GL_IMAGE_3D);
|
|
GLSL_TYPE(GL_IMAGE_CUBE);
|
|
}
|
|
|
|
#undef GLSL_TYPE
|
|
|
|
BX_CHECK(false, "Unknown GLSL type? %x", _type);
|
|
return "UNKNOWN GLSL TYPE!";
|
|
}
|
|
|
|
const char* glEnumName(GLenum _enum)
|
|
{
|
|
#define GLENUM(_ty) case _ty: return #_ty
|
|
|
|
switch (_enum)
|
|
{
|
|
GLENUM(GL_TEXTURE);
|
|
GLENUM(GL_RENDERBUFFER);
|
|
|
|
GLENUM(GL_INVALID_ENUM);
|
|
GLENUM(GL_INVALID_VALUE);
|
|
GLENUM(GL_INVALID_OPERATION);
|
|
GLENUM(GL_OUT_OF_MEMORY);
|
|
|
|
GLENUM(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
|
|
GLENUM(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
|
|
// GLENUM(GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER);
|
|
// GLENUM(GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER);
|
|
GLENUM(GL_FRAMEBUFFER_UNSUPPORTED);
|
|
}
|
|
|
|
#undef GLENUM
|
|
|
|
BX_WARN(false, "Unknown enum? %x", _enum);
|
|
return "<GLenum?>";
|
|
}
|
|
|
|
UniformType::Enum convertGlType(GLenum _type)
|
|
{
|
|
switch (_type)
|
|
{
|
|
case GL_INT:
|
|
case GL_UNSIGNED_INT:
|
|
return UniformType::Uniform1iv;
|
|
|
|
case GL_FLOAT:
|
|
return UniformType::Uniform1fv;
|
|
|
|
case GL_FLOAT_VEC2:
|
|
return UniformType::Uniform2fv;
|
|
|
|
case GL_FLOAT_VEC3:
|
|
return UniformType::Uniform3fv;
|
|
|
|
case GL_FLOAT_VEC4:
|
|
return UniformType::Uniform4fv;
|
|
|
|
case GL_FLOAT_MAT2:
|
|
break;
|
|
|
|
case GL_FLOAT_MAT3:
|
|
return UniformType::Uniform3x3fv;
|
|
|
|
case GL_FLOAT_MAT4:
|
|
return UniformType::Uniform4x4fv;
|
|
|
|
// case GL_FLOAT_MAT2x3:
|
|
// case GL_FLOAT_MAT2x4:
|
|
// case GL_FLOAT_MAT3x2:
|
|
// case GL_FLOAT_MAT3x4:
|
|
// case GL_FLOAT_MAT4x2:
|
|
// case GL_FLOAT_MAT4x3:
|
|
// break;
|
|
|
|
// case GL_SAMPLER_1D:
|
|
case GL_SAMPLER_2D:
|
|
case GL_SAMPLER_3D:
|
|
case GL_SAMPLER_CUBE:
|
|
// case GL_SAMPLER_1D_SHADOW:
|
|
case GL_SAMPLER_2D_SHADOW:
|
|
case GL_IMAGE_1D:
|
|
case GL_IMAGE_2D:
|
|
case GL_IMAGE_3D:
|
|
case GL_IMAGE_CUBE:
|
|
return UniformType::Uniform1iv;
|
|
};
|
|
|
|
BX_CHECK(false, "Unrecognized GL type 0x%04x.", _type);
|
|
return UniformType::End;
|
|
}
|
|
|
|
void ProgramGL::create(const ShaderGL& _vsh, const ShaderGL& _fsh)
|
|
{
|
|
m_id = glCreateProgram();
|
|
BX_TRACE("program create: %d: %d, %d", m_id, _vsh.m_id, _fsh.m_id);
|
|
|
|
const uint64_t id = (uint64_t(_vsh.m_hash)<<32) | _fsh.m_hash;
|
|
const bool cached = s_renderGL->programFetchFromCache(m_id, id);
|
|
|
|
if (!cached)
|
|
{
|
|
GL_CHECK(glAttachShader(m_id, _vsh.m_id) );
|
|
|
|
if (0 != _fsh.m_id)
|
|
{
|
|
GL_CHECK(glAttachShader(m_id, _fsh.m_id) );
|
|
}
|
|
|
|
GL_CHECK(glLinkProgram(m_id) );
|
|
|
|
GLint linked = 0;
|
|
GL_CHECK(glGetProgramiv(m_id, GL_LINK_STATUS, &linked) );
|
|
|
|
if (0 == linked)
|
|
{
|
|
char log[1024];
|
|
GL_CHECK(glGetProgramInfoLog(m_id, sizeof(log), NULL, log) );
|
|
BX_TRACE("%d: %s", linked, log);
|
|
|
|
GL_CHECK(glDeleteProgram(m_id) );
|
|
return;
|
|
}
|
|
|
|
s_renderGL->programCache(m_id, id);
|
|
}
|
|
|
|
init();
|
|
|
|
if (!cached)
|
|
{
|
|
// Must be after init, otherwise init might fail to lookup shader
|
|
// info (NVIDIA Tegra 3 OpenGL ES 2.0 14.01003).
|
|
GL_CHECK(glDetachShader(m_id, _vsh.m_id) );
|
|
|
|
if (0 != _fsh.m_id)
|
|
{
|
|
GL_CHECK(glDetachShader(m_id, _fsh.m_id) );
|
|
}
|
|
}
|
|
}
|
|
|
|
void ProgramGL::destroy()
|
|
{
|
|
if (NULL != m_constantBuffer)
|
|
{
|
|
ConstantBuffer::destroy(m_constantBuffer);
|
|
m_constantBuffer = NULL;
|
|
}
|
|
m_numPredefined = 0;
|
|
|
|
if (0 != m_id)
|
|
{
|
|
GL_CHECK(glUseProgram(0) );
|
|
GL_CHECK(glDeleteProgram(m_id) );
|
|
m_id = 0;
|
|
}
|
|
|
|
m_vcref.invalidate(s_renderGL->m_vaoStateCache);
|
|
}
|
|
|
|
void ProgramGL::init()
|
|
{
|
|
GLint activeAttribs = 0;
|
|
GLint activeUniforms = 0;
|
|
GLint activeBuffers = 0;
|
|
|
|
#if BGFX_CONFIG_RENDERER_OPENGL >= 31
|
|
GL_CHECK(glBindFragDataLocation(m_id, 0, "bgfx_FragColor") );
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL >= 31
|
|
|
|
if (s_extension[Extension::ARB_program_interface_query].m_supported
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 31) )
|
|
{
|
|
GL_CHECK(glGetProgramInterfaceiv(m_id, GL_PROGRAM_INPUT, GL_ACTIVE_RESOURCES, &activeAttribs ) );
|
|
GL_CHECK(glGetProgramInterfaceiv(m_id, GL_UNIFORM, GL_ACTIVE_RESOURCES, &activeUniforms) );
|
|
GL_CHECK(glGetProgramInterfaceiv(m_id, GL_BUFFER_VARIABLE, GL_ACTIVE_RESOURCES, &activeBuffers ) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glGetProgramiv(m_id, GL_ACTIVE_ATTRIBUTES, &activeAttribs ) );
|
|
GL_CHECK(glGetProgramiv(m_id, GL_ACTIVE_UNIFORMS, &activeUniforms) );
|
|
}
|
|
|
|
GLint max0, max1;
|
|
GL_CHECK(glGetProgramiv(m_id, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max0) );
|
|
GL_CHECK(glGetProgramiv(m_id, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max1) );
|
|
uint32_t maxLength = bx::uint32_max(max0, max1);
|
|
char* name = (char*)alloca(maxLength + 1);
|
|
|
|
BX_TRACE("Program %d", m_id);
|
|
BX_TRACE("Attributes (%d):", activeAttribs);
|
|
for (int32_t ii = 0; ii < activeAttribs; ++ii)
|
|
{
|
|
GLint size;
|
|
GLenum type;
|
|
|
|
GL_CHECK(glGetActiveAttrib(m_id, ii, maxLength + 1, NULL, &size, &type, name) );
|
|
|
|
BX_TRACE("\t%s %s is at location %d"
|
|
, glslTypeName(type)
|
|
, name
|
|
, glGetAttribLocation(m_id, name)
|
|
);
|
|
}
|
|
|
|
m_numPredefined = 0;
|
|
m_constantBuffer = ConstantBuffer::create(1024);
|
|
m_numSamplers = 0;
|
|
|
|
struct VariableInfo
|
|
{
|
|
GLenum type;
|
|
GLint loc;
|
|
GLint num;
|
|
};
|
|
VariableInfo vi;
|
|
GLenum props[] = { GL_TYPE, GL_LOCATION, GL_ARRAY_SIZE };
|
|
|
|
const bool piqSupported = s_extension[Extension::ARB_program_interface_query].m_supported;
|
|
|
|
BX_TRACE("Uniforms (%d):", activeUniforms);
|
|
for (int32_t ii = 0; ii < activeUniforms; ++ii)
|
|
{
|
|
GLenum gltype;
|
|
GLint num;
|
|
GLint loc;
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 31)
|
|
|| piqSupported)
|
|
{
|
|
GL_CHECK(glGetProgramResourceiv(m_id
|
|
, GL_UNIFORM
|
|
, ii
|
|
, BX_COUNTOF(props)
|
|
, props
|
|
, BX_COUNTOF(props)
|
|
, NULL
|
|
, (GLint*)&vi
|
|
) );
|
|
|
|
GL_CHECK(glGetProgramResourceName(m_id
|
|
, GL_UNIFORM
|
|
, ii
|
|
, maxLength + 1
|
|
, NULL
|
|
, name
|
|
) );
|
|
|
|
gltype = vi.type;
|
|
loc = vi.loc;
|
|
num = vi.num;
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glGetActiveUniform(m_id, ii, maxLength + 1, NULL, &num, &gltype, name) );
|
|
loc = glGetUniformLocation(m_id, name);
|
|
}
|
|
|
|
num = bx::uint32_max(num, 1);
|
|
|
|
int offset = 0;
|
|
char* array = strchr(name, '[');
|
|
if (NULL != array)
|
|
{
|
|
BX_TRACE("--- %s", name);
|
|
*array = '\0';
|
|
array++;
|
|
char* end = strchr(array, ']');
|
|
*end = '\0';
|
|
offset = atoi(array);
|
|
}
|
|
|
|
switch (gltype)
|
|
{
|
|
case GL_SAMPLER_2D:
|
|
case GL_SAMPLER_3D:
|
|
case GL_SAMPLER_CUBE:
|
|
case GL_SAMPLER_2D_SHADOW:
|
|
case GL_IMAGE_1D:
|
|
case GL_IMAGE_2D:
|
|
case GL_IMAGE_3D:
|
|
case GL_IMAGE_CUBE:
|
|
BX_TRACE("Sampler #%d at location %d.", m_numSamplers, loc);
|
|
m_sampler[m_numSamplers] = loc;
|
|
m_numSamplers++;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
PredefinedUniform::Enum predefined = nameToPredefinedUniformEnum(name);
|
|
if (PredefinedUniform::Count != predefined)
|
|
{
|
|
m_predefined[m_numPredefined].m_loc = loc;
|
|
m_predefined[m_numPredefined].m_type = predefined;
|
|
m_predefined[m_numPredefined].m_count = num;
|
|
m_numPredefined++;
|
|
}
|
|
else
|
|
{
|
|
const UniformInfo* info = s_renderGL->m_uniformReg.find(name);
|
|
if (NULL != info)
|
|
{
|
|
UniformType::Enum type = convertGlType(gltype);
|
|
m_constantBuffer->writeUniformHandle(type, 0, info->m_handle, num);
|
|
m_constantBuffer->write(loc);
|
|
BX_TRACE("store %s %d", name, info->m_handle);
|
|
}
|
|
}
|
|
|
|
BX_TRACE("\tuniform %s %s%s is at location %d, size %d, offset %d"
|
|
, glslTypeName(gltype)
|
|
, name
|
|
, PredefinedUniform::Count != predefined ? "*" : ""
|
|
, loc
|
|
, num
|
|
, offset
|
|
);
|
|
BX_UNUSED(offset);
|
|
}
|
|
|
|
if (s_extension[Extension::ARB_program_interface_query].m_supported
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 31) )
|
|
{
|
|
struct VariableInfo
|
|
{
|
|
GLenum type;
|
|
};
|
|
VariableInfo vi;
|
|
GLenum props[] = { GL_TYPE };
|
|
|
|
BX_TRACE("Buffers (%d):", activeBuffers);
|
|
for (int32_t ii = 0; ii < activeBuffers; ++ii)
|
|
{
|
|
GL_CHECK(glGetProgramResourceiv(m_id
|
|
, GL_BUFFER_VARIABLE
|
|
, ii
|
|
, BX_COUNTOF(props)
|
|
, props
|
|
, BX_COUNTOF(props)
|
|
, NULL
|
|
, (GLint*)&vi
|
|
) );
|
|
|
|
GL_CHECK(glGetProgramResourceName(m_id
|
|
, GL_BUFFER_VARIABLE
|
|
, ii
|
|
, maxLength + 1
|
|
, NULL
|
|
, name
|
|
) );
|
|
|
|
BX_TRACE("\t%s %s at %d"
|
|
, glslTypeName(vi.type)
|
|
, name
|
|
, 0 //vi.loc
|
|
);
|
|
}
|
|
}
|
|
|
|
m_constantBuffer->finish();
|
|
|
|
memset(m_attributes, 0xff, sizeof(m_attributes) );
|
|
uint32_t used = 0;
|
|
for (uint32_t ii = 0; ii < Attrib::Count; ++ii)
|
|
{
|
|
GLint loc = glGetAttribLocation(m_id, s_attribName[ii]);
|
|
if (-1 != loc)
|
|
{
|
|
BX_TRACE("attr %s: %d", s_attribName[ii], loc);
|
|
m_attributes[ii] = loc;
|
|
m_used[used++] = ii;
|
|
}
|
|
}
|
|
m_used[used] = Attrib::Count;
|
|
|
|
used = 0;
|
|
for (uint32_t ii = 0; ii < BX_COUNTOF(s_instanceDataName); ++ii)
|
|
{
|
|
GLuint loc = glGetAttribLocation(m_id, s_instanceDataName[ii]);
|
|
if (GLuint(-1) != loc )
|
|
{
|
|
BX_TRACE("instance data %s: %d", s_instanceDataName[ii], loc);
|
|
m_instanceData[used++] = loc;
|
|
}
|
|
}
|
|
m_instanceData[used] = 0xffff;
|
|
}
|
|
|
|
void ProgramGL::bindAttributes(const VertexDecl& _vertexDecl, uint32_t _baseVertex) const
|
|
{
|
|
for (uint32_t ii = 0; Attrib::Count != m_used[ii]; ++ii)
|
|
{
|
|
Attrib::Enum attr = Attrib::Enum(m_used[ii]);
|
|
GLint loc = m_attributes[attr];
|
|
|
|
uint8_t num;
|
|
AttribType::Enum type;
|
|
bool normalized;
|
|
bool asInt;
|
|
_vertexDecl.decode(attr, num, type, normalized, asInt);
|
|
|
|
if (-1 != loc)
|
|
{
|
|
if (0xff != _vertexDecl.m_attributes[attr])
|
|
{
|
|
GL_CHECK(glEnableVertexAttribArray(loc) );
|
|
GL_CHECK(glVertexAttribDivisor(loc, 0) );
|
|
|
|
uint32_t baseVertex = _baseVertex*_vertexDecl.m_stride + _vertexDecl.m_offset[attr];
|
|
GL_CHECK(glVertexAttribPointer(loc, num, s_attribType[type], normalized, _vertexDecl.m_stride, (void*)(uintptr_t)baseVertex) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisableVertexAttribArray(loc) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ProgramGL::bindInstanceData(uint32_t _stride, uint32_t _baseVertex) const
|
|
{
|
|
uint32_t baseVertex = _baseVertex;
|
|
for (uint32_t ii = 0; 0xffff != m_instanceData[ii]; ++ii)
|
|
{
|
|
GLint loc = m_instanceData[ii];
|
|
GL_CHECK(glEnableVertexAttribArray(loc) );
|
|
GL_CHECK(glVertexAttribPointer(loc, 4, GL_FLOAT, GL_FALSE, _stride, (void*)(uintptr_t)baseVertex) );
|
|
GL_CHECK(glVertexAttribDivisor(loc, 1) );
|
|
baseVertex += 16;
|
|
}
|
|
}
|
|
|
|
void IndexBufferGL::destroy()
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) );
|
|
GL_CHECK(glDeleteBuffers(1, &m_id) );
|
|
|
|
m_vcref.invalidate(s_renderGL->m_vaoStateCache);
|
|
}
|
|
|
|
void VertexBufferGL::destroy()
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0) );
|
|
GL_CHECK(glDeleteBuffers(1, &m_id) );
|
|
|
|
m_vcref.invalidate(s_renderGL->m_vaoStateCache);
|
|
}
|
|
|
|
static void texImage(GLenum _target, GLint _level, GLint _internalFormat, GLsizei _width, GLsizei _height, GLsizei _depth, GLint _border, GLenum _format, GLenum _type, const GLvoid* _data)
|
|
{
|
|
if (_target == GL_TEXTURE_3D)
|
|
{
|
|
GL_CHECK(glTexImage3D(_target, _level, _internalFormat, _width, _height, _depth, _border, _format, _type, _data) );
|
|
}
|
|
else
|
|
{
|
|
BX_UNUSED(_depth);
|
|
GL_CHECK(glTexImage2D(_target, _level, _internalFormat, _width, _height, _border, _format, _type, _data) );
|
|
}
|
|
}
|
|
|
|
static void texSubImage(GLenum _target, GLint _level, GLint _xoffset, GLint _yoffset, GLint _zoffset, GLsizei _width, GLsizei _height, GLsizei _depth, GLenum _format, GLenum _type, const GLvoid* _data)
|
|
{
|
|
if (_target == GL_TEXTURE_3D)
|
|
{
|
|
GL_CHECK(glTexSubImage3D(_target, _level, _xoffset, _yoffset, _zoffset, _width, _height, _depth, _format, _type, _data) );
|
|
}
|
|
else
|
|
{
|
|
BX_UNUSED(_zoffset, _depth);
|
|
GL_CHECK(glTexSubImage2D(_target, _level, _xoffset, _yoffset, _width, _height, _format, _type, _data) );
|
|
}
|
|
}
|
|
|
|
static void compressedTexImage(GLenum _target, GLint _level, GLenum _internalformat, GLsizei _width, GLsizei _height, GLsizei _depth, GLint _border, GLsizei _imageSize, const GLvoid* _data)
|
|
{
|
|
if (_target == GL_TEXTURE_3D)
|
|
{
|
|
GL_CHECK(glCompressedTexImage3D(_target, _level, _internalformat, _width, _height, _depth, _border, _imageSize, _data) );
|
|
}
|
|
else
|
|
{
|
|
BX_UNUSED(_depth);
|
|
GL_CHECK(glCompressedTexImage2D(_target, _level, _internalformat, _width, _height, _border, _imageSize, _data) );
|
|
}
|
|
}
|
|
|
|
static void compressedTexSubImage(GLenum _target, GLint _level, GLint _xoffset, GLint _yoffset, GLint _zoffset, GLsizei _width, GLsizei _height, GLsizei _depth, GLenum _format, GLsizei _imageSize, const GLvoid* _data)
|
|
{
|
|
if (_target == GL_TEXTURE_3D)
|
|
{
|
|
GL_CHECK(glCompressedTexSubImage3D(_target, _level, _xoffset, _yoffset, _zoffset, _width, _height, _depth, _format, _imageSize, _data) );
|
|
}
|
|
else
|
|
{
|
|
BX_UNUSED(_zoffset, _depth);
|
|
GL_CHECK(glCompressedTexSubImage2D(_target, _level, _xoffset, _yoffset, _width, _height, _format, _imageSize, _data) );
|
|
}
|
|
}
|
|
|
|
bool TextureGL::init(GLenum _target, uint32_t _width, uint32_t _height, uint8_t _format, uint8_t _numMips, uint32_t _flags)
|
|
{
|
|
m_target = _target;
|
|
m_numMips = _numMips;
|
|
m_flags = _flags;
|
|
m_currentFlags = UINT32_MAX;
|
|
m_width = _width;
|
|
m_height = _height;
|
|
m_requestedFormat = _format;
|
|
m_textureFormat = _format;
|
|
|
|
const bool bufferOnly = 0 != (m_flags&BGFX_TEXTURE_RT_BUFFER_ONLY);
|
|
|
|
if (!bufferOnly)
|
|
{
|
|
GL_CHECK(glGenTextures(1, &m_id) );
|
|
BX_CHECK(0 != m_id, "Failed to generate texture id.");
|
|
GL_CHECK(glBindTexture(_target, m_id) );
|
|
|
|
setSamplerState(_flags);
|
|
|
|
const TextureFormatInfo& tfi = s_textureFormat[_format];
|
|
m_fmt = tfi.m_fmt;
|
|
m_type = tfi.m_type;
|
|
|
|
const bool compressed = isCompressed(TextureFormat::Enum(_format) );
|
|
const bool decompress = !tfi.m_supported && compressed;
|
|
|
|
if (decompress)
|
|
{
|
|
m_textureFormat = (uint8_t)TextureFormat::BGRA8;
|
|
const TextureFormatInfo& tfi = s_textureFormat[TextureFormat::BGRA8];
|
|
m_fmt = tfi.m_fmt;
|
|
m_type = tfi.m_type;
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
&& TextureFormat::BGRA8 == m_textureFormat
|
|
&& GL_RGBA == m_fmt
|
|
&& s_renderGL->m_textureSwizzleSupport)
|
|
{
|
|
GLint swizzleMask[] = { GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA };
|
|
GL_CHECK(glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, swizzleMask) );
|
|
}
|
|
}
|
|
|
|
const bool renderTarget = 0 != (m_flags&BGFX_TEXTURE_RT_MASK);
|
|
|
|
if (renderTarget)
|
|
{
|
|
uint32_t msaaQuality = ( (m_flags&BGFX_TEXTURE_RT_MSAA_MASK)>>BGFX_TEXTURE_RT_MSAA_SHIFT);
|
|
msaaQuality = bx::uint32_satsub(msaaQuality, 1);
|
|
msaaQuality = bx::uint32_min(s_renderGL->m_maxMsaa, msaaQuality == 0 ? 0 : 1<<msaaQuality);
|
|
|
|
if (0 != msaaQuality
|
|
|| bufferOnly)
|
|
{
|
|
GL_CHECK(glGenRenderbuffers(1, &m_rbo) );
|
|
BX_CHECK(0 != m_rbo, "Failed to generate renderbuffer id.");
|
|
GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, m_rbo) );
|
|
|
|
if (0 == msaaQuality)
|
|
{
|
|
GL_CHECK(glRenderbufferStorage(GL_RENDERBUFFER
|
|
, s_textureFormat[m_textureFormat].m_internalFmt
|
|
, _width
|
|
, _height
|
|
) );
|
|
}
|
|
else if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
GL_CHECK(glRenderbufferStorageMultisample(GL_RENDERBUFFER
|
|
, msaaQuality
|
|
, s_textureFormat[m_textureFormat].m_internalFmt
|
|
, _width
|
|
, _height
|
|
) );
|
|
}
|
|
|
|
GL_CHECK(glBindRenderbuffer(GL_RENDERBUFFER, 0) );
|
|
|
|
if (bufferOnly)
|
|
{
|
|
// This is render buffer, there is no sampling, no need
|
|
// to create texture.
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void TextureGL::create(const Memory* _mem, uint32_t _flags, uint8_t _skip)
|
|
{
|
|
ImageContainer imageContainer;
|
|
|
|
if (imageParse(imageContainer, _mem->data, _mem->size) )
|
|
{
|
|
uint8_t numMips = imageContainer.m_numMips;
|
|
const uint32_t startLod = bx::uint32_min(_skip, numMips-1);
|
|
numMips -= uint8_t(startLod);
|
|
const ImageBlockInfo& blockInfo = getBlockInfo(TextureFormat::Enum(imageContainer.m_format) );
|
|
const uint32_t textureWidth = bx::uint32_max(blockInfo.blockWidth, imageContainer.m_width >>startLod);
|
|
const uint32_t textureHeight = bx::uint32_max(blockInfo.blockHeight, imageContainer.m_height>>startLod);
|
|
|
|
GLenum target = GL_TEXTURE_2D;
|
|
if (imageContainer.m_cubeMap)
|
|
{
|
|
target = GL_TEXTURE_CUBE_MAP;
|
|
}
|
|
else if (imageContainer.m_depth > 1)
|
|
{
|
|
target = GL_TEXTURE_3D;
|
|
}
|
|
|
|
if (!init(target
|
|
, textureWidth
|
|
, textureHeight
|
|
, imageContainer.m_format
|
|
, numMips
|
|
, _flags
|
|
) )
|
|
{
|
|
return;
|
|
}
|
|
|
|
target = GL_TEXTURE_CUBE_MAP == m_target ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : m_target;
|
|
|
|
const GLenum internalFmt = s_textureFormat[m_textureFormat].m_internalFmt;
|
|
|
|
const bool swizzle = true
|
|
&& TextureFormat::BGRA8 == m_textureFormat
|
|
&& GL_RGBA == m_fmt
|
|
&& !s_renderGL->m_textureSwizzleSupport
|
|
;
|
|
const bool convert = m_textureFormat != m_requestedFormat;
|
|
const bool compressed = isCompressed(TextureFormat::Enum(m_textureFormat) );
|
|
uint32_t blockWidth = 1;
|
|
uint32_t blockHeight = 1;
|
|
|
|
if (convert && compressed)
|
|
{
|
|
blockWidth = blockInfo.blockWidth;
|
|
blockHeight = blockInfo.blockHeight;
|
|
}
|
|
|
|
BX_TRACE("Texture %3d: %s (requested: %s), %dx%d%s%s."
|
|
, this - s_renderGL->m_textures
|
|
, getName( (TextureFormat::Enum)m_textureFormat)
|
|
, getName( (TextureFormat::Enum)m_requestedFormat)
|
|
, textureWidth
|
|
, textureHeight
|
|
, imageContainer.m_cubeMap ? "x6" : ""
|
|
, 0 != (m_flags&BGFX_TEXTURE_RT_MASK) ? " (render target)" : ""
|
|
);
|
|
|
|
BX_WARN(!swizzle && !convert, "Texture %s%s%s from %s to %s."
|
|
, swizzle ? "swizzle" : ""
|
|
, swizzle&&convert ? " and " : ""
|
|
, convert ? "convert" : ""
|
|
, getName( (TextureFormat::Enum)m_requestedFormat)
|
|
, getName( (TextureFormat::Enum)m_textureFormat)
|
|
);
|
|
|
|
uint8_t* temp = NULL;
|
|
if (convert || swizzle)
|
|
{
|
|
temp = (uint8_t*)BX_ALLOC(g_allocator, textureWidth*textureHeight*4);
|
|
}
|
|
|
|
for (uint8_t side = 0, numSides = imageContainer.m_cubeMap ? 6 : 1; side < numSides; ++side)
|
|
{
|
|
uint32_t width = textureWidth;
|
|
uint32_t height = textureHeight;
|
|
uint32_t depth = imageContainer.m_depth;
|
|
|
|
for (uint32_t lod = 0, num = numMips; lod < num; ++lod)
|
|
{
|
|
width = bx::uint32_max(blockWidth, width);
|
|
height = bx::uint32_max(blockHeight, height);
|
|
depth = bx::uint32_max(1, depth);
|
|
|
|
ImageMip mip;
|
|
if (imageGetRawData(imageContainer, side, lod+startLod, _mem->data, _mem->size, mip) )
|
|
{
|
|
if (compressed)
|
|
{
|
|
compressedTexImage(target+side
|
|
, lod
|
|
, internalFmt
|
|
, width
|
|
, height
|
|
, depth
|
|
, 0
|
|
, mip.m_size
|
|
, mip.m_data
|
|
);
|
|
}
|
|
else
|
|
{
|
|
const uint8_t* data = mip.m_data;
|
|
|
|
if (convert)
|
|
{
|
|
imageDecodeToBgra8(temp, mip.m_data, mip.m_width, mip.m_height, mip.m_width*4, mip.m_format);
|
|
data = temp;
|
|
}
|
|
|
|
if (swizzle)
|
|
{
|
|
imageSwizzleBgra8(width, height, mip.m_width*4, data, temp);
|
|
data = temp;
|
|
}
|
|
|
|
texImage(target+side
|
|
, lod
|
|
, internalFmt
|
|
, width
|
|
, height
|
|
, depth
|
|
, 0
|
|
, m_fmt
|
|
, m_type
|
|
, data
|
|
);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (compressed)
|
|
{
|
|
uint32_t size = bx::uint32_max(1, (width + 3)>>2)
|
|
* bx::uint32_max(1, (height + 3)>>2)
|
|
* 4*4*getBitsPerPixel(TextureFormat::Enum(m_textureFormat) )/8
|
|
;
|
|
|
|
compressedTexImage(target+side
|
|
, lod
|
|
, internalFmt
|
|
, width
|
|
, height
|
|
, depth
|
|
, 0
|
|
, size
|
|
, NULL
|
|
);
|
|
}
|
|
else
|
|
{
|
|
texImage(target+side
|
|
, lod
|
|
, internalFmt
|
|
, width
|
|
, height
|
|
, depth
|
|
, 0
|
|
, m_fmt
|
|
, m_type
|
|
, NULL
|
|
);
|
|
}
|
|
}
|
|
|
|
width >>= 1;
|
|
height >>= 1;
|
|
depth >>= 1;
|
|
}
|
|
}
|
|
|
|
if (NULL != temp)
|
|
{
|
|
BX_FREE(g_allocator, temp);
|
|
}
|
|
}
|
|
|
|
GL_CHECK(glBindTexture(m_target, 0) );
|
|
}
|
|
|
|
void TextureGL::destroy()
|
|
{
|
|
if (0 != m_id)
|
|
{
|
|
GL_CHECK(glBindTexture(m_target, 0) );
|
|
GL_CHECK(glDeleteTextures(1, &m_id) );
|
|
m_id = 0;
|
|
}
|
|
|
|
if (0 != m_rbo)
|
|
{
|
|
GL_CHECK(glDeleteRenderbuffers(1, &m_rbo) );
|
|
m_rbo = 0;
|
|
}
|
|
}
|
|
|
|
void TextureGL::update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem)
|
|
{
|
|
BX_UNUSED(_z, _depth);
|
|
|
|
const uint32_t bpp = getBitsPerPixel(TextureFormat::Enum(m_textureFormat) );
|
|
const uint32_t rectpitch = _rect.m_width*bpp/8;
|
|
uint32_t srcpitch = UINT16_MAX == _pitch ? rectpitch : _pitch;
|
|
|
|
GL_CHECK(glBindTexture(m_target, m_id) );
|
|
GL_CHECK(glPixelStorei(GL_UNPACK_ALIGNMENT, 1) );
|
|
|
|
GLenum target = GL_TEXTURE_CUBE_MAP == m_target ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : m_target;
|
|
|
|
const bool swizzle = true
|
|
&& TextureFormat::BGRA8 == m_textureFormat
|
|
&& GL_RGBA == m_fmt
|
|
&& !s_renderGL->m_textureSwizzleSupport
|
|
;
|
|
const bool unpackRowLength = BX_IGNORE_C4127(!!BGFX_CONFIG_RENDERER_OPENGL || s_extension[Extension::EXT_unpack_subimage].m_supported);
|
|
const bool convert = m_textureFormat != m_requestedFormat;
|
|
const bool compressed = isCompressed(TextureFormat::Enum(m_textureFormat) );
|
|
|
|
const uint32_t width = _rect.m_width;
|
|
const uint32_t height = _rect.m_height;
|
|
|
|
uint8_t* temp = NULL;
|
|
if (convert
|
|
|| swizzle
|
|
|| !unpackRowLength)
|
|
{
|
|
temp = (uint8_t*)BX_ALLOC(g_allocator, rectpitch*height);
|
|
}
|
|
else if (unpackRowLength)
|
|
{
|
|
GL_CHECK(glPixelStorei(GL_UNPACK_ROW_LENGTH, srcpitch*8/bpp) );
|
|
}
|
|
|
|
if (compressed)
|
|
{
|
|
const uint8_t* data = _mem->data;
|
|
|
|
if (!unpackRowLength)
|
|
{
|
|
imageCopy(width, height, bpp, srcpitch, data, temp);
|
|
data = temp;
|
|
}
|
|
|
|
GL_CHECK(compressedTexSubImage(target+_side
|
|
, _mip
|
|
, _rect.m_x
|
|
, _rect.m_y
|
|
, _z
|
|
, _rect.m_width
|
|
, _rect.m_height
|
|
, _depth
|
|
, m_fmt
|
|
, _mem->size
|
|
, data
|
|
) );
|
|
}
|
|
else
|
|
{
|
|
const uint8_t* data = _mem->data;
|
|
|
|
if (convert)
|
|
{
|
|
imageDecodeToBgra8(temp, data, width, height, srcpitch, m_requestedFormat);
|
|
data = temp;
|
|
srcpitch = rectpitch;
|
|
}
|
|
|
|
if (swizzle)
|
|
{
|
|
imageSwizzleBgra8(width, height, srcpitch, data, temp);
|
|
data = temp;
|
|
}
|
|
else if (!unpackRowLength && !convert)
|
|
{
|
|
imageCopy(width, height, bpp, srcpitch, data, temp);
|
|
data = temp;
|
|
}
|
|
|
|
GL_CHECK(texSubImage(target+_side
|
|
, _mip
|
|
, _rect.m_x
|
|
, _rect.m_y
|
|
, _z
|
|
, _rect.m_width
|
|
, _rect.m_height
|
|
, _depth
|
|
, m_fmt
|
|
, m_type
|
|
, data
|
|
) );
|
|
}
|
|
|
|
if (NULL != temp)
|
|
{
|
|
BX_FREE(g_allocator, temp);
|
|
}
|
|
}
|
|
|
|
void TextureGL::setSamplerState(uint32_t _flags)
|
|
{
|
|
const uint32_t flags = (0 != (BGFX_SAMPLER_DEFAULT_FLAGS & _flags) ? m_flags : _flags) & BGFX_TEXTURE_SAMPLER_BITS_MASK;
|
|
if (flags != m_currentFlags)
|
|
{
|
|
const GLenum target = m_target;
|
|
const uint8_t numMips = m_numMips;
|
|
|
|
GL_CHECK(glTexParameteri(target, GL_TEXTURE_WRAP_S, s_textureAddress[(flags&BGFX_TEXTURE_U_MASK)>>BGFX_TEXTURE_U_SHIFT]) );
|
|
GL_CHECK(glTexParameteri(target, GL_TEXTURE_WRAP_T, s_textureAddress[(flags&BGFX_TEXTURE_V_MASK)>>BGFX_TEXTURE_V_SHIFT]) );
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_extension[Extension::APPLE_texture_max_level].m_supported)
|
|
{
|
|
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, numMips-1) );
|
|
}
|
|
|
|
if (target == GL_TEXTURE_3D)
|
|
{
|
|
GL_CHECK(glTexParameteri(target, GL_TEXTURE_WRAP_R, s_textureAddress[(flags&BGFX_TEXTURE_W_MASK)>>BGFX_TEXTURE_W_SHIFT]) );
|
|
}
|
|
|
|
const uint32_t mag = (flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
|
|
const uint32_t min = (flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT;
|
|
const uint32_t mip = (flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT;
|
|
const GLenum minFilter = s_textureFilterMin[min][1 < numMips ? mip+1 : 0];
|
|
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MAG_FILTER, s_textureFilterMag[mag]) );
|
|
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilter) );
|
|
if (0 != (flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
|
|
&& 0.0f < s_renderGL->m_maxAnisotropy)
|
|
{
|
|
GL_CHECK(glTexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, s_renderGL->m_maxAnisotropy) );
|
|
}
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|
|
|| s_renderGL->m_shadowSamplersSupport)
|
|
{
|
|
const uint32_t cmpFunc = (flags&BGFX_TEXTURE_COMPARE_MASK)>>BGFX_TEXTURE_COMPARE_SHIFT;
|
|
if (0 == cmpFunc)
|
|
{
|
|
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE) );
|
|
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_FUNC, s_cmpFunc[cmpFunc]) );
|
|
}
|
|
}
|
|
|
|
m_currentFlags = flags;
|
|
}
|
|
}
|
|
|
|
void TextureGL::commit(uint32_t _stage, uint32_t _flags)
|
|
{
|
|
GL_CHECK(glActiveTexture(GL_TEXTURE0+_stage) );
|
|
GL_CHECK(glBindTexture(m_target, m_id) );
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES)
|
|
&& BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES < 30) )
|
|
{
|
|
// GLES2 doesn't have support for sampler object.
|
|
setSamplerState(_flags);
|
|
}
|
|
else if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
&& BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL < 31) )
|
|
{
|
|
// In case that GL 2.1 sampler object is supported via extension.
|
|
if (s_renderGL->m_samplerObjectSupport)
|
|
{
|
|
s_renderGL->setSamplerState(_stage, m_numMips, _flags);
|
|
}
|
|
else
|
|
{
|
|
setSamplerState(_flags);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Everything else has sampler object.
|
|
s_renderGL->setSamplerState(_stage, m_numMips, _flags);
|
|
}
|
|
}
|
|
|
|
void writeString(bx::WriterI* _writer, const char* _str)
|
|
{
|
|
bx::write(_writer, _str, (int32_t)strlen(_str) );
|
|
}
|
|
|
|
void writeStringf(bx::WriterI* _writer, const char* _format, ...)
|
|
{
|
|
char temp[512];
|
|
|
|
va_list argList;
|
|
va_start(argList, _format);
|
|
int len = bx::vsnprintf(temp, BX_COUNTOF(temp), _format, argList);
|
|
va_end(argList);
|
|
|
|
bx::write(_writer, temp, len);
|
|
}
|
|
|
|
void strins(char* _str, const char* _insert)
|
|
{
|
|
size_t len = strlen(_insert);
|
|
memmove(&_str[len], _str, strlen(_str)+1);
|
|
memcpy(_str, _insert, len);
|
|
}
|
|
|
|
void ShaderGL::create(Memory* _mem)
|
|
{
|
|
bx::MemoryReader reader(_mem->data, _mem->size);
|
|
m_hash = bx::hashMurmur2A(_mem->data, _mem->size);
|
|
|
|
uint32_t magic;
|
|
bx::read(&reader, magic);
|
|
|
|
switch (magic)
|
|
{
|
|
case BGFX_CHUNK_MAGIC_CSH: m_type = GL_COMPUTE_SHADER; break;
|
|
case BGFX_CHUNK_MAGIC_FSH: m_type = GL_FRAGMENT_SHADER; break;
|
|
case BGFX_CHUNK_MAGIC_VSH: m_type = GL_VERTEX_SHADER; break;
|
|
|
|
default:
|
|
BGFX_FATAL(false, Fatal::InvalidShader, "Unknown shader format %x.", magic);
|
|
break;
|
|
}
|
|
|
|
uint32_t iohash;
|
|
bx::read(&reader, iohash);
|
|
|
|
uint16_t count;
|
|
bx::read(&reader, count);
|
|
|
|
BX_TRACE("%s Shader consts %d"
|
|
, BGFX_CHUNK_MAGIC_FSH == magic ? "Fragment" : BGFX_CHUNK_MAGIC_VSH == magic ? "Vertex" : "Compute"
|
|
, count
|
|
);
|
|
|
|
for (uint32_t ii = 0; ii < count; ++ii)
|
|
{
|
|
uint8_t nameSize;
|
|
bx::read(&reader, nameSize);
|
|
|
|
char name[256];
|
|
bx::read(&reader, &name, nameSize);
|
|
name[nameSize] = '\0';
|
|
|
|
uint8_t type;
|
|
bx::read(&reader, type);
|
|
|
|
uint8_t num;
|
|
bx::read(&reader, num);
|
|
|
|
uint16_t regIndex;
|
|
bx::read(&reader, regIndex);
|
|
|
|
uint16_t regCount;
|
|
bx::read(&reader, regCount);
|
|
}
|
|
|
|
uint32_t shaderSize;
|
|
bx::read(&reader, shaderSize);
|
|
|
|
m_id = glCreateShader(m_type);
|
|
|
|
const char* code = (const char*)reader.getDataPtr();
|
|
|
|
if (0 != m_id)
|
|
{
|
|
if (GL_COMPUTE_SHADER != m_type)
|
|
{
|
|
int32_t codeLen = (int32_t)strlen(code);
|
|
int32_t tempLen = codeLen + (4<<10);
|
|
char* temp = (char*)alloca(tempLen);
|
|
bx::StaticMemoryBlockWriter writer(temp, tempLen);
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES)
|
|
&& BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES < 30) )
|
|
{
|
|
writeString(&writer
|
|
, "#define flat\n"
|
|
"#define smooth\n"
|
|
"#define noperspective\n"
|
|
);
|
|
|
|
bool usesDerivatives = s_extension[Extension::OES_standard_derivatives].m_supported
|
|
&& bx::findIdentifierMatch(code, s_OES_standard_derivatives)
|
|
;
|
|
|
|
bool usesFragData = !!bx::findIdentifierMatch(code, "gl_FragData");
|
|
|
|
bool usesFragDepth = !!bx::findIdentifierMatch(code, "gl_FragDepth");
|
|
|
|
bool usesShadowSamplers = !!bx::findIdentifierMatch(code, s_EXT_shadow_samplers);
|
|
|
|
bool usesTexture3D = s_extension[Extension::OES_texture_3D].m_supported
|
|
&& bx::findIdentifierMatch(code, s_OES_texture_3D)
|
|
;
|
|
|
|
bool usesTextureLod = !!bx::findIdentifierMatch(code, s_EXT_shader_texture_lod);
|
|
|
|
bool usesFragmentOrdering = !!bx::findIdentifierMatch(code, "beginFragmentShaderOrdering");
|
|
|
|
if (usesDerivatives)
|
|
{
|
|
writeString(&writer, "#extension GL_OES_standard_derivatives : enable\n");
|
|
}
|
|
|
|
if (usesFragData)
|
|
{
|
|
BX_WARN(s_extension[Extension::EXT_draw_buffers].m_supported, "EXT_draw_buffers is used but not supported by GLES2 driver.");
|
|
writeString(&writer
|
|
, "#extension GL_EXT_draw_buffers : enable\n"
|
|
);
|
|
}
|
|
|
|
bool insertFragDepth = false;
|
|
if (usesFragDepth)
|
|
{
|
|
BX_WARN(s_extension[Extension::EXT_frag_depth].m_supported, "EXT_frag_depth is used but not supported by GLES2 driver.");
|
|
if (s_extension[Extension::EXT_frag_depth].m_supported)
|
|
{
|
|
writeString(&writer
|
|
, "#extension GL_EXT_frag_depth : enable\n"
|
|
"#define bgfx_FragDepth gl_FragDepthEXT\n"
|
|
);
|
|
|
|
char str[128];
|
|
bx::snprintf(str, BX_COUNTOF(str), "%s float gl_FragDepthEXT;\n"
|
|
, s_extension[Extension::OES_fragment_precision_high].m_supported ? "highp" : "mediump"
|
|
);
|
|
writeString(&writer, str);
|
|
}
|
|
else
|
|
{
|
|
insertFragDepth = true;
|
|
}
|
|
}
|
|
|
|
if (usesShadowSamplers)
|
|
{
|
|
if (s_renderGL->m_shadowSamplersSupport)
|
|
{
|
|
writeString(&writer
|
|
, "#extension GL_EXT_shadow_samplers : enable\n"
|
|
"#define shadow2D shadow2DEXT\n"
|
|
"#define shadow2DProj shadow2DProjEXT\n"
|
|
);
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer
|
|
, "#define sampler2DShadow sampler2D\n"
|
|
"#define shadow2D(_sampler, _coord) step(_coord.z, texture2D(_sampler, _coord.xy).x)\n"
|
|
"#define shadow2DProj(_sampler, _coord) step(_coord.z/_coord.w, texture2DProj(_sampler, _coord).x)\n"
|
|
);
|
|
}
|
|
}
|
|
|
|
if (usesTexture3D)
|
|
{
|
|
writeString(&writer, "#extension GL_OES_texture_3D : enable\n");
|
|
}
|
|
|
|
if (usesTextureLod)
|
|
{
|
|
BX_WARN(s_extension[Extension::EXT_shader_texture_lod].m_supported, "EXT_shader_texture_lod is used but not supported by GLES2 driver.");
|
|
if (s_extension[Extension::EXT_shader_texture_lod].m_supported)
|
|
{
|
|
writeString(&writer
|
|
, "#extension GL_EXT_shader_texture_lod : enable\n"
|
|
"#define texture2DLod texture2DLodEXT\n"
|
|
"#define texture2DProjLod texture2DProjLodEXT\n"
|
|
"#define textureCubeLod textureCubeLodEXT\n"
|
|
);
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer
|
|
, "#define texture2DLod(_sampler, _coord, _level) texture2D(_sampler, _coord)\n"
|
|
"#define texture2DProjLod(_sampler, _coord, _level) texture2DProj(_sampler, _coord)\n"
|
|
"#define textureCubeLod(_sampler, _coord, _level) textureCube(_sampler, _coord)\n"
|
|
);
|
|
}
|
|
}
|
|
|
|
if (usesFragmentOrdering)
|
|
{
|
|
if (s_extension[Extension::INTEL_fragment_shader_ordering].m_supported)
|
|
{
|
|
writeString(&writer, "#extension GL_INTEL_fragment_shader_ordering : enable\n");
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer, "#define beginFragmentShaderOrdering()\n");
|
|
}
|
|
}
|
|
|
|
writeString(&writer, "precision mediump float;\n");
|
|
|
|
bx::write(&writer, code, codeLen);
|
|
bx::write(&writer, '\0');
|
|
|
|
if (insertFragDepth)
|
|
{
|
|
char* entry = strstr(temp, "void main ()");
|
|
if (NULL != entry)
|
|
{
|
|
char* brace = strstr(entry, "{");
|
|
if (NULL != brace)
|
|
{
|
|
const char* end = bx::strmb(brace, '{', '}');
|
|
if (NULL != end)
|
|
{
|
|
strins(brace+1, "\n float bgfx_FragDepth = 0.0;\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Replace all instances of gl_FragDepth with bgfx_FragDepth.
|
|
for (const char* fragDepth = bx::findIdentifierMatch(temp, "gl_FragDepth"); NULL != fragDepth; fragDepth = bx::findIdentifierMatch(fragDepth, "gl_FragDepth") )
|
|
{
|
|
char* insert = const_cast<char*>(fragDepth);
|
|
strins(insert, "bg");
|
|
memcpy(insert + 2, "fx", 2);
|
|
}
|
|
}
|
|
else if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
&& BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL <= 21) )
|
|
{
|
|
bool usesTextureLod = s_extension[Extension::ARB_shader_texture_lod].m_supported
|
|
&& bx::findIdentifierMatch(code, s_ARB_shader_texture_lod)
|
|
;
|
|
|
|
if (usesTextureLod)
|
|
{
|
|
writeString(&writer, "#version 120\n");
|
|
|
|
if (m_type == GL_FRAGMENT_SHADER)
|
|
{
|
|
writeString(&writer, "#extension GL_ARB_shader_texture_lod : enable\n");
|
|
}
|
|
}
|
|
|
|
writeString(&writer
|
|
, "#define lowp\n"
|
|
"#define mediump\n"
|
|
"#define highp\n"
|
|
"#define flat\n"
|
|
"#define smooth\n"
|
|
"#define noperspective\n"
|
|
);
|
|
|
|
bx::write(&writer, code, codeLen);
|
|
bx::write(&writer, '\0');
|
|
}
|
|
else if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL >= 31)
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
writeString(&writer
|
|
, "#version 300 es\n"
|
|
"precision mediump float;\n"
|
|
);
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer, "#version 140\n");
|
|
}
|
|
|
|
if (m_type == GL_FRAGMENT_SHADER)
|
|
{
|
|
writeString(&writer, "#define varying in\n");
|
|
writeString(&writer, "#define texture2D texture\n");
|
|
writeString(&writer, "#define texture2DLod textureLod\n");
|
|
writeString(&writer, "#define texture2DProj textureProj\n");
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
|
|
{
|
|
writeString(&writer, "#define shadow2D(_sampler, _coord) vec2(textureProj(_sampler, vec4(_coord, 1.0) ) )\n");
|
|
writeString(&writer, "#define shadow2DProj(_sampler, _coord) vec2(textureProj(_sampler, _coord) ) )\n");
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer, "#define shadow2D(_sampler, _coord) (textureProj(_sampler, vec4(_coord, 1.0) ) )\n");
|
|
writeString(&writer, "#define shadow2DProj(_sampler, _coord) (textureProj(_sampler, _coord) ) )\n");
|
|
}
|
|
|
|
writeString(&writer, "#define texture3D texture\n");
|
|
writeString(&writer, "#define texture3DLod textureLod\n");
|
|
writeString(&writer, "#define textureCube texture\n");
|
|
writeString(&writer, "#define textureCubeLod textureLod\n");
|
|
|
|
uint32_t fragData = 0;
|
|
|
|
if (!!bx::findIdentifierMatch(code, "gl_FragData") )
|
|
{
|
|
for (uint32_t ii = 0, num = g_caps.maxFBAttachments; ii < num; ++ii)
|
|
{
|
|
char temp[16];
|
|
bx::snprintf(temp, BX_COUNTOF(temp), "gl_FragData[%d]", ii);
|
|
fragData = bx::uint32_max(fragData, NULL == strstr(code, temp) ? 0 : ii+1);
|
|
}
|
|
|
|
BGFX_FATAL(0 != fragData, Fatal::InvalidShader, "Unable to find and patch gl_FragData!");
|
|
}
|
|
|
|
if (!!bx::findIdentifierMatch(code, "beginFragmentShaderOrdering") )
|
|
{
|
|
if (s_extension[Extension::INTEL_fragment_shader_ordering].m_supported)
|
|
{
|
|
writeString(&writer, "#extension GL_INTEL_fragment_shader_ordering : enable\n");
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer, "#define beginFragmentShaderOrdering()\n");
|
|
}
|
|
}
|
|
|
|
if (0 != fragData)
|
|
{
|
|
writeStringf(&writer, "out vec4 bgfx_FragData[%d];\n", fragData);
|
|
writeString(&writer, "#define gl_FragData bgfx_FragData\n");
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer, "out vec4 bgfx_FragColor;\n");
|
|
writeString(&writer, "#define gl_FragColor bgfx_FragColor\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
writeString(&writer, "#define attribute in\n");
|
|
writeString(&writer, "#define varying out\n");
|
|
}
|
|
|
|
if (!BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30) )
|
|
{
|
|
writeString(&writer
|
|
, "#define lowp\n"
|
|
"#define mediump\n"
|
|
"#define highp\n"
|
|
);
|
|
}
|
|
|
|
bx::write(&writer, code, codeLen);
|
|
bx::write(&writer, '\0');
|
|
}
|
|
|
|
code = temp;
|
|
}
|
|
|
|
GL_CHECK(glShaderSource(m_id, 1, (const GLchar**)&code, NULL) );
|
|
GL_CHECK(glCompileShader(m_id) );
|
|
|
|
GLint compiled = 0;
|
|
GL_CHECK(glGetShaderiv(m_id, GL_COMPILE_STATUS, &compiled) );
|
|
|
|
if (0 == compiled)
|
|
{
|
|
BX_TRACE("\n####\n%s\n####", code);
|
|
|
|
GLsizei len;
|
|
char log[1024];
|
|
GL_CHECK(glGetShaderInfoLog(m_id, sizeof(log), &len, log) );
|
|
BX_TRACE("Failed to compile shader. %d: %s", compiled, log);
|
|
|
|
GL_CHECK(glDeleteShader(m_id) );
|
|
BGFX_FATAL(false, bgfx::Fatal::InvalidShader, "Failed to compile shader.");
|
|
}
|
|
else if (BX_ENABLED(BGFX_CONFIG_DEBUG)
|
|
&& s_extension[Extension::ANGLE_translated_shader_source].m_supported
|
|
&& NULL != glGetTranslatedShaderSourceANGLE)
|
|
{
|
|
GLsizei len;
|
|
GL_CHECK(glGetShaderiv(m_id, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, &len) );
|
|
|
|
char* source = (char*)alloca(len);
|
|
GL_CHECK(glGetTranslatedShaderSourceANGLE(m_id, len, &len, source) );
|
|
|
|
BX_TRACE("ANGLE source (len: %d):\n%s\n####", len, source);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ShaderGL::destroy()
|
|
{
|
|
if (0 != m_id)
|
|
{
|
|
GL_CHECK(glDeleteShader(m_id) );
|
|
m_id = 0;
|
|
}
|
|
}
|
|
|
|
static void frameBufferValidate()
|
|
{
|
|
GLenum complete = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
BX_CHECK(GL_FRAMEBUFFER_COMPLETE == complete
|
|
, "glCheckFramebufferStatus failed 0x%08x: %s"
|
|
, complete
|
|
, glEnumName(complete)
|
|
);
|
|
BX_UNUSED(complete);
|
|
}
|
|
|
|
void FrameBufferGL::create(uint8_t _num, const TextureHandle* _handles)
|
|
{
|
|
GL_CHECK(glGenFramebuffers(1, &m_fbo[0]) );
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo[0]) );
|
|
|
|
// m_denseIdx = UINT16_MAX;
|
|
bool needResolve = false;
|
|
|
|
GLenum buffers[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS];
|
|
|
|
uint32_t colorIdx = 0;
|
|
for (uint32_t ii = 0; ii < _num; ++ii)
|
|
{
|
|
TextureHandle handle = _handles[ii];
|
|
if (isValid(handle) )
|
|
{
|
|
const TextureGL& texture = s_renderGL->m_textures[handle.idx];
|
|
|
|
if (0 == colorIdx)
|
|
{
|
|
m_width = texture.m_width;
|
|
m_height = texture.m_height;
|
|
}
|
|
|
|
GLenum attachment = GL_COLOR_ATTACHMENT0 + colorIdx;
|
|
if (isDepth( (TextureFormat::Enum)texture.m_textureFormat) )
|
|
{
|
|
attachment = GL_DEPTH_ATTACHMENT;
|
|
}
|
|
else
|
|
{
|
|
buffers[colorIdx] = attachment;
|
|
++colorIdx;
|
|
}
|
|
|
|
if (0 != texture.m_rbo)
|
|
{
|
|
GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER
|
|
, attachment
|
|
, GL_RENDERBUFFER
|
|
, texture.m_rbo
|
|
) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER
|
|
, attachment
|
|
, texture.m_target
|
|
, texture.m_id
|
|
, 0
|
|
) );
|
|
}
|
|
|
|
needResolve |= (0 != texture.m_rbo) && (0 != texture.m_id);
|
|
}
|
|
}
|
|
|
|
m_num = colorIdx;
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
|
|
{
|
|
if (0 == colorIdx)
|
|
{
|
|
// When only depth is attached disable draw buffer to avoid
|
|
// GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER.
|
|
GL_CHECK(glDrawBuffer(GL_NONE) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDrawBuffers(colorIdx, buffers) );
|
|
}
|
|
|
|
// Disable read buffer to avoid GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER.
|
|
GL_CHECK(glReadBuffer(GL_NONE) );
|
|
}
|
|
|
|
frameBufferValidate();
|
|
|
|
if (needResolve)
|
|
{
|
|
GL_CHECK(glGenFramebuffers(1, &m_fbo[1]) );
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo[1]) );
|
|
|
|
for (uint32_t ii = 0, colorIdx = 0; ii < _num; ++ii)
|
|
{
|
|
TextureHandle handle = _handles[ii];
|
|
if (isValid(handle) )
|
|
{
|
|
const TextureGL& texture = s_renderGL->m_textures[handle.idx];
|
|
|
|
if (0 != texture.m_id)
|
|
{
|
|
GLenum attachment = GL_COLOR_ATTACHMENT0 + colorIdx;
|
|
if (!isDepth( (TextureFormat::Enum)texture.m_textureFormat) )
|
|
{
|
|
++colorIdx;
|
|
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER
|
|
, attachment
|
|
, texture.m_target
|
|
, texture.m_id
|
|
, 0
|
|
) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
frameBufferValidate();
|
|
}
|
|
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, s_renderGL->m_msaaBackBufferFbo) );
|
|
}
|
|
|
|
void FrameBufferGL::create(uint16_t _denseIdx, void* _nwh, uint32_t _width, uint32_t _height, TextureFormat::Enum _depthFormat)
|
|
{
|
|
BX_UNUSED(_depthFormat);
|
|
m_swapChain = s_renderGL->m_glctx.createSwapChain(_nwh);
|
|
m_width = _width;
|
|
m_height = _height;
|
|
m_denseIdx = _denseIdx;
|
|
}
|
|
|
|
uint16_t FrameBufferGL::destroy()
|
|
{
|
|
if (0 != m_num)
|
|
{
|
|
GL_CHECK(glDeleteFramebuffers(0 == m_fbo[1] ? 1 : 2, m_fbo) );
|
|
memset(m_fbo, 0, sizeof(m_fbo) );
|
|
m_num = 0;
|
|
}
|
|
|
|
if (NULL != m_swapChain)
|
|
{
|
|
s_renderGL->m_glctx.destorySwapChain(m_swapChain);
|
|
m_swapChain = NULL;
|
|
}
|
|
|
|
uint16_t denseIdx = m_denseIdx;
|
|
m_denseIdx = UINT16_MAX;
|
|
|
|
return denseIdx;
|
|
}
|
|
|
|
void FrameBufferGL::resolve()
|
|
{
|
|
if (0 != m_fbo[1])
|
|
{
|
|
GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_fbo[0]) );
|
|
GL_CHECK(glReadBuffer(GL_COLOR_ATTACHMENT0) );
|
|
GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[1]) );
|
|
GL_CHECK(glBlitFramebuffer(0
|
|
, 0
|
|
, m_width
|
|
, m_height
|
|
, 0
|
|
, 0
|
|
, m_width
|
|
, m_height
|
|
, GL_COLOR_BUFFER_BIT
|
|
, GL_LINEAR
|
|
) );
|
|
GL_CHECK(glBindFramebuffer(GL_READ_FRAMEBUFFER, m_fbo[0]) );
|
|
GL_CHECK(glReadBuffer(GL_NONE) );
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, s_renderGL->m_msaaBackBufferFbo) );
|
|
}
|
|
}
|
|
|
|
void RendererContextGL::submit(Frame* _render, ClearQuad& _clearQuad, TextVideoMemBlitter& _textVideoMemBlitter)
|
|
{
|
|
if (1 < m_numWindows
|
|
&& m_vaoSupport)
|
|
{
|
|
m_vaoSupport = false;
|
|
GL_CHECK(glBindVertexArray(0) );
|
|
GL_CHECK(glDeleteVertexArrays(1, &m_vao) );
|
|
m_vao = 0;
|
|
m_vaoStateCache.invalidate();
|
|
}
|
|
|
|
m_glctx.makeCurrent(NULL);
|
|
|
|
const GLuint defaultVao = m_vao;
|
|
if (0 != defaultVao)
|
|
{
|
|
GL_CHECK(glBindVertexArray(defaultVao) );
|
|
}
|
|
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_backBufferFbo) );
|
|
|
|
updateResolution(_render->m_resolution);
|
|
|
|
int64_t elapsed = -bx::getHPCounter();
|
|
int64_t captureElapsed = 0;
|
|
|
|
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
&& (_render->m_debug & (BGFX_DEBUG_IFH|BGFX_DEBUG_STATS) ) )
|
|
{
|
|
m_queries.begin(0, GL_TIME_ELAPSED);
|
|
}
|
|
|
|
if (0 < _render->m_iboffset)
|
|
{
|
|
TransientIndexBuffer* ib = _render->m_transientIb;
|
|
m_indexBuffers[ib->handle.idx].update(0, _render->m_iboffset, ib->data);
|
|
}
|
|
|
|
if (0 < _render->m_vboffset)
|
|
{
|
|
TransientVertexBuffer* vb = _render->m_transientVb;
|
|
m_vertexBuffers[vb->handle.idx].update(0, _render->m_vboffset, vb->data);
|
|
}
|
|
|
|
_render->sort();
|
|
|
|
RenderDraw currentState;
|
|
currentState.clear();
|
|
currentState.m_flags = BGFX_STATE_NONE;
|
|
currentState.m_stencil = packStencil(BGFX_STENCIL_NONE, BGFX_STENCIL_NONE);
|
|
|
|
Matrix4 viewProj[BGFX_CONFIG_MAX_VIEWS];
|
|
for (uint32_t ii = 0; ii < BGFX_CONFIG_MAX_VIEWS; ++ii)
|
|
{
|
|
bx::float4x4_mul(&viewProj[ii].un.f4x4, &_render->m_view[ii].un.f4x4, &_render->m_proj[ii].un.f4x4);
|
|
}
|
|
|
|
Matrix4 invView;
|
|
Matrix4 invProj;
|
|
Matrix4 invViewProj;
|
|
uint8_t invViewCached = 0xff;
|
|
uint8_t invProjCached = 0xff;
|
|
uint8_t invViewProjCached = 0xff;
|
|
|
|
uint16_t programIdx = invalidHandle;
|
|
SortKey key;
|
|
uint8_t view = 0xff;
|
|
FrameBufferHandle fbh = BGFX_INVALID_HANDLE;
|
|
int32_t height = _render->m_resolution.m_height;
|
|
float alphaRef = 0.0f;
|
|
uint32_t blendFactor = 0;
|
|
|
|
const uint64_t pt = _render->m_debug&BGFX_DEBUG_WIREFRAME ? BGFX_STATE_PT_LINES : 0;
|
|
uint8_t primIndex = uint8_t(pt>>BGFX_STATE_PT_SHIFT);
|
|
PrimInfo prim = s_primInfo[primIndex];
|
|
|
|
uint32_t baseVertex = 0;
|
|
GLuint currentVao = 0;
|
|
bool viewHasScissor = false;
|
|
Rect viewScissorRect;
|
|
viewScissorRect.clear();
|
|
|
|
const bool blendIndependentSupported = s_extension[Extension::ARB_draw_buffers_blend].m_supported;
|
|
const bool computeSupported = (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) && s_extension[Extension::ARB_compute_shader].m_supported)
|
|
|| BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 31)
|
|
;
|
|
|
|
uint32_t statsNumPrimsSubmitted[BX_COUNTOF(s_primInfo)] = {};
|
|
uint32_t statsNumPrimsRendered[BX_COUNTOF(s_primInfo)] = {};
|
|
uint32_t statsNumInstances[BX_COUNTOF(s_primInfo)] = {};
|
|
uint32_t statsNumIndices = 0;
|
|
|
|
if (0 == (_render->m_debug&BGFX_DEBUG_IFH) )
|
|
{
|
|
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_msaaBackBufferFbo) );
|
|
|
|
for (uint32_t item = 0, numItems = _render->m_num; item < numItems; ++item)
|
|
{
|
|
const bool isCompute = key.decode(_render->m_sortKeys[item]);
|
|
const bool viewChanged = key.m_view != view;
|
|
|
|
const RenderItem& renderItem = _render->m_renderItem[_render->m_sortValues[item] ];
|
|
|
|
if (viewChanged)
|
|
{
|
|
GL_CHECK(glInsertEventMarker(0, s_viewName[key.m_view]) );
|
|
|
|
view = key.m_view;
|
|
programIdx = invalidHandle;
|
|
|
|
if (_render->m_fb[view].idx != fbh.idx)
|
|
{
|
|
fbh = _render->m_fb[view];
|
|
height = setFrameBuffer(fbh, _render->m_resolution.m_height);
|
|
}
|
|
|
|
const Rect& rect = _render->m_rect[view];
|
|
const Rect& scissorRect = _render->m_scissor[view];
|
|
viewHasScissor = !scissorRect.isZero();
|
|
viewScissorRect = viewHasScissor ? scissorRect : rect;
|
|
|
|
GL_CHECK(glViewport(rect.m_x, height-rect.m_height-rect.m_y, rect.m_width, rect.m_height) );
|
|
|
|
Clear& clear = _render->m_clear[view];
|
|
|
|
if (BGFX_CLEAR_NONE != clear.m_flags)
|
|
{
|
|
clearQuad(_clearQuad, rect, clear, height, _render->m_clearColor);
|
|
}
|
|
|
|
GL_CHECK(glDisable(GL_STENCIL_TEST) );
|
|
GL_CHECK(glEnable(GL_DEPTH_TEST) );
|
|
GL_CHECK(glDepthFunc(GL_LESS) );
|
|
GL_CHECK(glEnable(GL_CULL_FACE) );
|
|
GL_CHECK(glDisable(GL_BLEND) );
|
|
}
|
|
|
|
if (isCompute)
|
|
{
|
|
if (computeSupported)
|
|
{
|
|
const RenderCompute& compute = renderItem.compute;
|
|
|
|
ProgramGL& program = m_program[key.m_program];
|
|
GL_CHECK(glUseProgram(program.m_id) );
|
|
|
|
GLbitfield barrier = 0;
|
|
for (uint32_t ii = 0; ii < BGFX_MAX_COMPUTE_BINDINGS; ++ii)
|
|
{
|
|
const ComputeBinding& bind = compute.m_bind[ii];
|
|
if (invalidHandle != bind.m_idx)
|
|
{
|
|
switch (bind.m_type)
|
|
{
|
|
case ComputeBinding::Image:
|
|
{
|
|
const TextureGL& texture = m_textures[bind.m_idx];
|
|
GL_CHECK(glBindImageTexture(ii, texture.m_id, bind.m_mip, GL_FALSE, 0, s_access[bind.m_access], s_imageFormat[bind.m_format]) );
|
|
barrier |= GL_SHADER_IMAGE_ACCESS_BARRIER_BIT;
|
|
}
|
|
break;
|
|
|
|
case ComputeBinding::Buffer:
|
|
{
|
|
// const VertexBufferGL& vertexBuffer = m_vertexBuffers[bind.m_idx];
|
|
// GL_CHECK(glBindBufferBase(GL_SHADER_STORAGE_BUFFER, ii, vertexBuffer.m_id) );
|
|
// barrier |= GL_SHADER_STORAGE_BARRIER_BIT;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (0 != barrier)
|
|
{
|
|
bool constantsChanged = compute.m_constBegin < compute.m_constEnd;
|
|
rendererUpdateUniforms(this, _render->m_constantBuffer, compute.m_constBegin, compute.m_constEnd);
|
|
|
|
if (constantsChanged)
|
|
{
|
|
commit(*program.m_constantBuffer);
|
|
}
|
|
|
|
GL_CHECK(glDispatchCompute(compute.m_numX, compute.m_numY, compute.m_numZ) );
|
|
GL_CHECK(glMemoryBarrier(barrier) );
|
|
}
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
const RenderDraw& draw = renderItem.draw;
|
|
|
|
const uint64_t newFlags = draw.m_flags;
|
|
uint64_t changedFlags = currentState.m_flags ^ draw.m_flags;
|
|
currentState.m_flags = newFlags;
|
|
|
|
const uint64_t newStencil = draw.m_stencil;
|
|
uint64_t changedStencil = currentState.m_stencil ^ draw.m_stencil;
|
|
currentState.m_stencil = newStencil;
|
|
|
|
if (viewChanged)
|
|
{
|
|
currentState.clear();
|
|
currentState.m_scissor = !draw.m_scissor;
|
|
changedFlags = BGFX_STATE_MASK;
|
|
changedStencil = packStencil(BGFX_STENCIL_MASK, BGFX_STENCIL_MASK);
|
|
currentState.m_flags = newFlags;
|
|
currentState.m_stencil = newStencil;
|
|
}
|
|
|
|
uint16_t scissor = draw.m_scissor;
|
|
if (currentState.m_scissor != scissor)
|
|
{
|
|
currentState.m_scissor = scissor;
|
|
|
|
if (UINT16_MAX == scissor)
|
|
{
|
|
if (viewHasScissor)
|
|
{
|
|
GL_CHECK(glEnable(GL_SCISSOR_TEST) );
|
|
GL_CHECK(glScissor(viewScissorRect.m_x, height-viewScissorRect.m_height-viewScissorRect.m_y, viewScissorRect.m_width, viewScissorRect.m_height) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_SCISSOR_TEST) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Rect scissorRect;
|
|
scissorRect.intersect(viewScissorRect, _render->m_rectCache.m_cache[scissor]);
|
|
GL_CHECK(glEnable(GL_SCISSOR_TEST) );
|
|
GL_CHECK(glScissor(scissorRect.m_x, height-scissorRect.m_height-scissorRect.m_y, scissorRect.m_width, scissorRect.m_height) );
|
|
}
|
|
}
|
|
|
|
if (0 != changedStencil)
|
|
{
|
|
if (0 != newStencil)
|
|
{
|
|
GL_CHECK(glEnable(GL_STENCIL_TEST) );
|
|
|
|
uint32_t bstencil = unpackStencil(1, newStencil);
|
|
uint32_t frontAndBack = bstencil != BGFX_STENCIL_NONE && bstencil != unpackStencil(0, newStencil);
|
|
|
|
// uint32_t bchanged = unpackStencil(1, changedStencil);
|
|
// if (BGFX_STENCIL_FUNC_RMASK_MASK & bchanged)
|
|
// {
|
|
// uint32_t wmask = (bstencil&BGFX_STENCIL_FUNC_RMASK_MASK)>>BGFX_STENCIL_FUNC_RMASK_SHIFT;
|
|
// GL_CHECK(glStencilMask(wmask) );
|
|
// }
|
|
|
|
for (uint32_t ii = 0, num = frontAndBack+1; ii < num; ++ii)
|
|
{
|
|
uint32_t stencil = unpackStencil(ii, newStencil);
|
|
uint32_t changed = unpackStencil(ii, changedStencil);
|
|
GLenum face = s_stencilFace[frontAndBack+ii];
|
|
|
|
if ( (BGFX_STENCIL_TEST_MASK|BGFX_STENCIL_FUNC_REF_MASK|BGFX_STENCIL_FUNC_RMASK_MASK) & changed)
|
|
{
|
|
GLint ref = (stencil&BGFX_STENCIL_FUNC_REF_MASK)>>BGFX_STENCIL_FUNC_REF_SHIFT;
|
|
GLint mask = (stencil&BGFX_STENCIL_FUNC_RMASK_MASK)>>BGFX_STENCIL_FUNC_RMASK_SHIFT;
|
|
uint32_t func = (stencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT;
|
|
GL_CHECK(glStencilFuncSeparate(face, s_cmpFunc[func], ref, mask));
|
|
}
|
|
|
|
if ( (BGFX_STENCIL_OP_FAIL_S_MASK|BGFX_STENCIL_OP_FAIL_Z_MASK|BGFX_STENCIL_OP_PASS_Z_MASK) & changed)
|
|
{
|
|
uint32_t sfail = (stencil&BGFX_STENCIL_OP_FAIL_S_MASK)>>BGFX_STENCIL_OP_FAIL_S_SHIFT;
|
|
uint32_t zfail = (stencil&BGFX_STENCIL_OP_FAIL_Z_MASK)>>BGFX_STENCIL_OP_FAIL_Z_SHIFT;
|
|
uint32_t zpass = (stencil&BGFX_STENCIL_OP_PASS_Z_MASK)>>BGFX_STENCIL_OP_PASS_Z_SHIFT;
|
|
GL_CHECK(glStencilOpSeparate(face, s_stencilOp[sfail], s_stencilOp[zfail], s_stencilOp[zpass]) );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_STENCIL_TEST) );
|
|
}
|
|
}
|
|
|
|
if ( (0
|
|
| BGFX_STATE_CULL_MASK
|
|
| BGFX_STATE_DEPTH_WRITE
|
|
| BGFX_STATE_DEPTH_TEST_MASK
|
|
| BGFX_STATE_RGB_WRITE
|
|
| BGFX_STATE_ALPHA_WRITE
|
|
| BGFX_STATE_BLEND_MASK
|
|
| BGFX_STATE_BLEND_EQUATION_MASK
|
|
| BGFX_STATE_ALPHA_REF_MASK
|
|
| BGFX_STATE_PT_MASK
|
|
| BGFX_STATE_POINT_SIZE_MASK
|
|
| BGFX_STATE_MSAA
|
|
) & changedFlags)
|
|
{
|
|
if (BGFX_STATE_CULL_MASK & changedFlags)
|
|
{
|
|
if (BGFX_STATE_CULL_CW & newFlags)
|
|
{
|
|
GL_CHECK(glEnable(GL_CULL_FACE) );
|
|
GL_CHECK(glCullFace(GL_BACK) );
|
|
}
|
|
else if (BGFX_STATE_CULL_CCW & newFlags)
|
|
{
|
|
GL_CHECK(glEnable(GL_CULL_FACE) );
|
|
GL_CHECK(glCullFace(GL_FRONT) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_CULL_FACE) );
|
|
}
|
|
}
|
|
|
|
if (BGFX_STATE_DEPTH_WRITE & changedFlags)
|
|
{
|
|
GL_CHECK(glDepthMask(!!(BGFX_STATE_DEPTH_WRITE & newFlags) ) );
|
|
}
|
|
|
|
if (BGFX_STATE_DEPTH_TEST_MASK & changedFlags)
|
|
{
|
|
uint32_t func = (newFlags&BGFX_STATE_DEPTH_TEST_MASK)>>BGFX_STATE_DEPTH_TEST_SHIFT;
|
|
|
|
if (0 != func)
|
|
{
|
|
GL_CHECK(glEnable(GL_DEPTH_TEST) );
|
|
GL_CHECK(glDepthFunc(s_cmpFunc[func]) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_DEPTH_TEST) );
|
|
}
|
|
}
|
|
|
|
if (BGFX_STATE_ALPHA_REF_MASK & changedFlags)
|
|
{
|
|
uint32_t ref = (newFlags&BGFX_STATE_ALPHA_REF_MASK)>>BGFX_STATE_ALPHA_REF_SHIFT;
|
|
alphaRef = ref/255.0f;
|
|
}
|
|
|
|
#if BGFX_CONFIG_RENDERER_OPENGL
|
|
if ( (BGFX_STATE_PT_POINTS|BGFX_STATE_POINT_SIZE_MASK) & changedFlags)
|
|
{
|
|
float pointSize = (float)(bx::uint32_max(1, (newFlags&BGFX_STATE_POINT_SIZE_MASK)>>BGFX_STATE_POINT_SIZE_SHIFT) );
|
|
GL_CHECK(glPointSize(pointSize) );
|
|
}
|
|
|
|
if (BGFX_STATE_MSAA & changedFlags)
|
|
{
|
|
if (BGFX_STATE_MSAA & newFlags)
|
|
{
|
|
GL_CHECK(glEnable(GL_MULTISAMPLE) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_MULTISAMPLE) );
|
|
}
|
|
}
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL
|
|
|
|
if ( (BGFX_STATE_ALPHA_WRITE|BGFX_STATE_RGB_WRITE) & changedFlags)
|
|
{
|
|
GLboolean alpha = !!(newFlags&BGFX_STATE_ALPHA_WRITE);
|
|
GLboolean rgb = !!(newFlags&BGFX_STATE_RGB_WRITE);
|
|
GL_CHECK(glColorMask(rgb, rgb, rgb, alpha) );
|
|
}
|
|
|
|
if ( (BGFX_STATE_BLEND_MASK|BGFX_STATE_BLEND_EQUATION_MASK|BGFX_STATE_BLEND_INDEPENDENT) & changedFlags
|
|
|| blendFactor != draw.m_rgba)
|
|
{
|
|
if ( (BGFX_STATE_BLEND_MASK|BGFX_STATE_BLEND_EQUATION_MASK|BGFX_STATE_BLEND_INDEPENDENT) & newFlags
|
|
|| blendFactor != draw.m_rgba)
|
|
{
|
|
const bool enabled = !!(BGFX_STATE_BLEND_MASK & newFlags);
|
|
const bool independent = !!(BGFX_STATE_BLEND_INDEPENDENT & newFlags)
|
|
&& blendIndependentSupported
|
|
;
|
|
|
|
const uint32_t blend = uint32_t( (newFlags&BGFX_STATE_BLEND_MASK)>>BGFX_STATE_BLEND_SHIFT);
|
|
const uint32_t equation = uint32_t( (newFlags&BGFX_STATE_BLEND_EQUATION_MASK)>>BGFX_STATE_BLEND_EQUATION_SHIFT);
|
|
|
|
const uint32_t srcRGB = (blend )&0xf;
|
|
const uint32_t dstRGB = (blend>> 4)&0xf;
|
|
const uint32_t srcA = (blend>> 8)&0xf;
|
|
const uint32_t dstA = (blend>>12)&0xf;
|
|
|
|
const uint32_t equRGB = (equation )&0x7;
|
|
const uint32_t equA = (equation>>3)&0x7;
|
|
|
|
const uint32_t numRt = getNumRt();
|
|
|
|
if (!BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|
|
|| 1 >= numRt
|
|
|| !independent)
|
|
{
|
|
if (enabled)
|
|
{
|
|
GL_CHECK(glEnable(GL_BLEND) );
|
|
GL_CHECK(glBlendFuncSeparate(s_blendFactor[srcRGB].m_src
|
|
, s_blendFactor[dstRGB].m_dst
|
|
, s_blendFactor[srcA].m_src
|
|
, s_blendFactor[dstA].m_dst
|
|
) );
|
|
GL_CHECK(glBlendEquationSeparate(s_blendEquation[equRGB], s_blendEquation[equA]) );
|
|
|
|
if ( (s_blendFactor[srcRGB].m_factor || s_blendFactor[dstRGB].m_factor)
|
|
&& blendFactor != draw.m_rgba)
|
|
{
|
|
const uint32_t rgba = draw.m_rgba;
|
|
GLclampf rr = ( (rgba>>24) )/255.0f;
|
|
GLclampf gg = ( (rgba>>16)&0xff)/255.0f;
|
|
GLclampf bb = ( (rgba>> 8)&0xff)/255.0f;
|
|
GLclampf aa = ( (rgba )&0xff)/255.0f;
|
|
|
|
GL_CHECK(glBlendColor(rr, gg, bb, aa) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_BLEND) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (enabled)
|
|
{
|
|
GL_CHECK(glEnablei(GL_BLEND, 0) );
|
|
GL_CHECK(glBlendFuncSeparatei(0
|
|
, s_blendFactor[srcRGB].m_src
|
|
, s_blendFactor[dstRGB].m_dst
|
|
, s_blendFactor[srcA].m_src
|
|
, s_blendFactor[dstA].m_dst
|
|
) );
|
|
GL_CHECK(glBlendEquationSeparatei(0
|
|
, s_blendEquation[equRGB]
|
|
, s_blendEquation[equA]
|
|
) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisablei(GL_BLEND, 0) );
|
|
}
|
|
|
|
for (uint32_t ii = 1, rgba = draw.m_rgba; ii < numRt; ++ii, rgba >>= 11)
|
|
{
|
|
if (0 != (rgba&0x7ff) )
|
|
{
|
|
const uint32_t src = (rgba )&0xf;
|
|
const uint32_t dst = (rgba>>4)&0xf;
|
|
const uint32_t equation = (rgba>>8)&0x7;
|
|
GL_CHECK(glEnablei(GL_BLEND, ii) );
|
|
GL_CHECK(glBlendFunci(ii, s_blendFactor[src].m_src, s_blendFactor[dst].m_dst) );
|
|
GL_CHECK(glBlendEquationi(ii, s_blendEquation[equation]) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisablei(GL_BLEND, ii) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glDisable(GL_BLEND) );
|
|
}
|
|
|
|
blendFactor = draw.m_rgba;
|
|
}
|
|
|
|
const uint64_t pt = _render->m_debug&BGFX_DEBUG_WIREFRAME ? BGFX_STATE_PT_LINES : newFlags&BGFX_STATE_PT_MASK;
|
|
primIndex = uint8_t(pt>>BGFX_STATE_PT_SHIFT);
|
|
prim = s_primInfo[primIndex];
|
|
}
|
|
|
|
bool programChanged = false;
|
|
bool constantsChanged = draw.m_constBegin < draw.m_constEnd;
|
|
bool bindAttribs = false;
|
|
rendererUpdateUniforms(this, _render->m_constantBuffer, draw.m_constBegin, draw.m_constEnd);
|
|
|
|
if (key.m_program != programIdx)
|
|
{
|
|
programIdx = key.m_program;
|
|
GLuint id = invalidHandle == programIdx ? 0 : m_program[programIdx].m_id;
|
|
GL_CHECK(glUseProgram(id) );
|
|
programChanged =
|
|
constantsChanged =
|
|
bindAttribs = true;
|
|
}
|
|
|
|
if (invalidHandle != programIdx)
|
|
{
|
|
ProgramGL& program = m_program[programIdx];
|
|
|
|
if (constantsChanged)
|
|
{
|
|
commit(*program.m_constantBuffer);
|
|
}
|
|
|
|
for (uint32_t ii = 0, num = program.m_numPredefined; ii < num; ++ii)
|
|
{
|
|
PredefinedUniform& predefined = program.m_predefined[ii];
|
|
switch (predefined.m_type)
|
|
{
|
|
case PredefinedUniform::ViewRect:
|
|
{
|
|
float rect[4];
|
|
rect[0] = _render->m_rect[view].m_x;
|
|
rect[1] = _render->m_rect[view].m_y;
|
|
rect[2] = _render->m_rect[view].m_width;
|
|
rect[3] = _render->m_rect[view].m_height;
|
|
|
|
GL_CHECK(glUniform4fv(predefined.m_loc
|
|
, 1
|
|
, &rect[0]
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::ViewTexel:
|
|
{
|
|
float rect[4];
|
|
rect[0] = 1.0f/float(_render->m_rect[view].m_width);
|
|
rect[1] = 1.0f/float(_render->m_rect[view].m_height);
|
|
|
|
GL_CHECK(glUniform4fv(predefined.m_loc
|
|
, 1
|
|
, &rect[0]
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::View:
|
|
{
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, _render->m_view[view].un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::InvView:
|
|
{
|
|
if (view != invViewCached)
|
|
{
|
|
invViewCached = view;
|
|
bx::float4x4_inverse(&invView.un.f4x4, &_render->m_view[view].un.f4x4);
|
|
}
|
|
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, invView.un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::Proj:
|
|
{
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, _render->m_proj[view].un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::InvProj:
|
|
{
|
|
if (view != invProjCached)
|
|
{
|
|
invProjCached = view;
|
|
bx::float4x4_inverse(&invProj.un.f4x4, &_render->m_proj[view].un.f4x4);
|
|
}
|
|
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, invProj.un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::ViewProj:
|
|
{
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, viewProj[view].un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::InvViewProj:
|
|
{
|
|
if (view != invViewProjCached)
|
|
{
|
|
invViewProjCached = view;
|
|
bx::float4x4_inverse(&invViewProj.un.f4x4, &viewProj[view].un.f4x4);
|
|
}
|
|
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, invViewProj.un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::Model:
|
|
{
|
|
const Matrix4& model = _render->m_matrixCache.m_cache[draw.m_matrix];
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, bx::uint32_min(predefined.m_count, draw.m_num)
|
|
, GL_FALSE
|
|
, model.un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::ModelView:
|
|
{
|
|
Matrix4 modelView;
|
|
const Matrix4& model = _render->m_matrixCache.m_cache[draw.m_matrix];
|
|
bx::float4x4_mul(&modelView.un.f4x4, &model.un.f4x4, &_render->m_view[view].un.f4x4);
|
|
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, modelView.un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::ModelViewProj:
|
|
{
|
|
Matrix4 modelViewProj;
|
|
const Matrix4& model = _render->m_matrixCache.m_cache[draw.m_matrix];
|
|
bx::float4x4_mul(&modelViewProj.un.f4x4, &model.un.f4x4, &viewProj[view].un.f4x4);
|
|
|
|
GL_CHECK(glUniformMatrix4fv(predefined.m_loc
|
|
, 1
|
|
, GL_FALSE
|
|
, modelViewProj.un.val
|
|
) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::AlphaRef:
|
|
{
|
|
GL_CHECK(glUniform1f(predefined.m_loc, alphaRef) );
|
|
}
|
|
break;
|
|
|
|
case PredefinedUniform::Count:
|
|
break;
|
|
}
|
|
}
|
|
|
|
{
|
|
for (uint32_t stage = 0; stage < BGFX_CONFIG_MAX_TEXTURE_SAMPLERS; ++stage)
|
|
{
|
|
const Sampler& sampler = draw.m_sampler[stage];
|
|
Sampler& current = currentState.m_sampler[stage];
|
|
if (current.m_idx != sampler.m_idx
|
|
|| current.m_flags != sampler.m_flags
|
|
|| programChanged)
|
|
{
|
|
if (invalidHandle != sampler.m_idx)
|
|
{
|
|
TextureGL& texture = m_textures[sampler.m_idx];
|
|
texture.commit(stage, sampler.m_flags);
|
|
}
|
|
}
|
|
|
|
current = sampler;
|
|
}
|
|
}
|
|
|
|
if (0 != defaultVao
|
|
&& 0 == draw.m_startVertex
|
|
&& 0 == draw.m_instanceDataOffset)
|
|
{
|
|
if (programChanged
|
|
|| currentState.m_vertexBuffer.idx != draw.m_vertexBuffer.idx
|
|
|| currentState.m_indexBuffer.idx != draw.m_indexBuffer.idx
|
|
|| currentState.m_instanceDataBuffer.idx != draw.m_instanceDataBuffer.idx
|
|
|| currentState.m_instanceDataOffset != draw.m_instanceDataOffset
|
|
|| currentState.m_instanceDataStride != draw.m_instanceDataStride)
|
|
{
|
|
bx::HashMurmur2A murmur;
|
|
murmur.begin();
|
|
murmur.add(draw.m_vertexBuffer.idx);
|
|
murmur.add(draw.m_indexBuffer.idx);
|
|
murmur.add(draw.m_instanceDataBuffer.idx);
|
|
murmur.add(draw.m_instanceDataOffset);
|
|
murmur.add(draw.m_instanceDataStride);
|
|
murmur.add(programIdx);
|
|
uint32_t hash = murmur.end();
|
|
|
|
currentState.m_vertexBuffer = draw.m_vertexBuffer;
|
|
currentState.m_indexBuffer = draw.m_indexBuffer;
|
|
currentState.m_instanceDataOffset = draw.m_instanceDataOffset;
|
|
currentState.m_instanceDataStride = draw.m_instanceDataStride;
|
|
baseVertex = draw.m_startVertex;
|
|
|
|
GLuint id = m_vaoStateCache.find(hash);
|
|
if (UINT32_MAX != id)
|
|
{
|
|
currentVao = id;
|
|
GL_CHECK(glBindVertexArray(id) );
|
|
}
|
|
else
|
|
{
|
|
id = m_vaoStateCache.add(hash);
|
|
currentVao = id;
|
|
GL_CHECK(glBindVertexArray(id) );
|
|
|
|
ProgramGL& program = m_program[programIdx];
|
|
program.add(hash);
|
|
|
|
if (isValid(draw.m_vertexBuffer) )
|
|
{
|
|
VertexBufferGL& vb = m_vertexBuffers[draw.m_vertexBuffer.idx];
|
|
vb.add(hash);
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, vb.m_id) );
|
|
|
|
uint16_t decl = !isValid(vb.m_decl) ? draw.m_vertexDecl.idx : vb.m_decl.idx;
|
|
program.bindAttributes(m_vertexDecls[decl], draw.m_startVertex);
|
|
|
|
if (isValid(draw.m_instanceDataBuffer) )
|
|
{
|
|
VertexBufferGL& instanceVb = m_vertexBuffers[draw.m_instanceDataBuffer.idx];
|
|
instanceVb.add(hash);
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, instanceVb.m_id) );
|
|
program.bindInstanceData(draw.m_instanceDataStride, draw.m_instanceDataOffset);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0) );
|
|
}
|
|
|
|
if (isValid(draw.m_indexBuffer) )
|
|
{
|
|
IndexBufferGL& ib = m_indexBuffers[draw.m_indexBuffer.idx];
|
|
ib.add(hash);
|
|
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ib.m_id) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (0 != defaultVao
|
|
&& 0 != currentVao)
|
|
{
|
|
GL_CHECK(glBindVertexArray(defaultVao) );
|
|
currentState.m_vertexBuffer.idx = invalidHandle;
|
|
currentState.m_indexBuffer.idx = invalidHandle;
|
|
bindAttribs = true;
|
|
currentVao = 0;
|
|
}
|
|
|
|
if (programChanged
|
|
|| currentState.m_vertexBuffer.idx != draw.m_vertexBuffer.idx
|
|
|| currentState.m_instanceDataBuffer.idx != draw.m_instanceDataBuffer.idx
|
|
|| currentState.m_instanceDataOffset != draw.m_instanceDataOffset
|
|
|| currentState.m_instanceDataStride != draw.m_instanceDataStride)
|
|
{
|
|
currentState.m_vertexBuffer = draw.m_vertexBuffer;
|
|
currentState.m_instanceDataBuffer.idx = draw.m_instanceDataBuffer.idx;
|
|
currentState.m_instanceDataOffset = draw.m_instanceDataOffset;
|
|
currentState.m_instanceDataStride = draw.m_instanceDataStride;
|
|
|
|
uint16_t handle = draw.m_vertexBuffer.idx;
|
|
if (invalidHandle != handle)
|
|
{
|
|
VertexBufferGL& vb = m_vertexBuffers[handle];
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, vb.m_id) );
|
|
bindAttribs = true;
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0) );
|
|
}
|
|
}
|
|
|
|
if (currentState.m_indexBuffer.idx != draw.m_indexBuffer.idx)
|
|
{
|
|
currentState.m_indexBuffer = draw.m_indexBuffer;
|
|
|
|
uint16_t handle = draw.m_indexBuffer.idx;
|
|
if (invalidHandle != handle)
|
|
{
|
|
IndexBufferGL& ib = m_indexBuffers[handle];
|
|
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ib.m_id) );
|
|
}
|
|
else
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) );
|
|
}
|
|
}
|
|
|
|
if (isValid(currentState.m_vertexBuffer) )
|
|
{
|
|
if (baseVertex != draw.m_startVertex
|
|
|| bindAttribs)
|
|
{
|
|
baseVertex = draw.m_startVertex;
|
|
const VertexBufferGL& vb = m_vertexBuffers[draw.m_vertexBuffer.idx];
|
|
uint16_t decl = !isValid(vb.m_decl) ? draw.m_vertexDecl.idx : vb.m_decl.idx;
|
|
const ProgramGL& program = m_program[programIdx];
|
|
program.bindAttributes(m_vertexDecls[decl], draw.m_startVertex);
|
|
|
|
if (isValid(draw.m_instanceDataBuffer) )
|
|
{
|
|
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, m_vertexBuffers[draw.m_instanceDataBuffer.idx].m_id) );
|
|
program.bindInstanceData(draw.m_instanceDataStride, draw.m_instanceDataOffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isValid(currentState.m_vertexBuffer) )
|
|
{
|
|
uint32_t numVertices = draw.m_numVertices;
|
|
if (UINT32_MAX == numVertices)
|
|
{
|
|
const VertexBufferGL& vb = m_vertexBuffers[currentState.m_vertexBuffer.idx];
|
|
uint16_t decl = !isValid(vb.m_decl) ? draw.m_vertexDecl.idx : vb.m_decl.idx;
|
|
const VertexDecl& vertexDecl = m_vertexDecls[decl];
|
|
numVertices = vb.m_size/vertexDecl.m_stride;
|
|
}
|
|
|
|
uint32_t numIndices = 0;
|
|
uint32_t numPrimsSubmitted = 0;
|
|
uint32_t numInstances = 0;
|
|
uint32_t numPrimsRendered = 0;
|
|
|
|
if (isValid(draw.m_indexBuffer) )
|
|
{
|
|
if (UINT32_MAX == draw.m_numIndices)
|
|
{
|
|
numIndices = m_indexBuffers[draw.m_indexBuffer.idx].m_size/2;
|
|
numPrimsSubmitted = numIndices/prim.m_div - prim.m_sub;
|
|
numInstances = draw.m_numInstances;
|
|
numPrimsRendered = numPrimsSubmitted*draw.m_numInstances;
|
|
|
|
GL_CHECK(glDrawElementsInstanced(prim.m_type
|
|
, numIndices
|
|
, GL_UNSIGNED_SHORT
|
|
, (void*)0
|
|
, draw.m_numInstances
|
|
) );
|
|
}
|
|
else if (prim.m_min <= draw.m_numIndices)
|
|
{
|
|
numIndices = draw.m_numIndices;
|
|
numPrimsSubmitted = numIndices/prim.m_div - prim.m_sub;
|
|
numInstances = draw.m_numInstances;
|
|
numPrimsRendered = numPrimsSubmitted*draw.m_numInstances;
|
|
|
|
GL_CHECK(glDrawElementsInstanced(prim.m_type
|
|
, numIndices
|
|
, GL_UNSIGNED_SHORT
|
|
, (void*)(uintptr_t)(draw.m_startIndex*2)
|
|
, draw.m_numInstances
|
|
) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
numPrimsSubmitted = numVertices/prim.m_div - prim.m_sub;
|
|
numInstances = draw.m_numInstances;
|
|
numPrimsRendered = numPrimsSubmitted*draw.m_numInstances;
|
|
|
|
GL_CHECK(glDrawArraysInstanced(prim.m_type
|
|
, 0
|
|
, numVertices
|
|
, draw.m_numInstances
|
|
) );
|
|
}
|
|
|
|
statsNumPrimsSubmitted[primIndex] += numPrimsSubmitted;
|
|
statsNumPrimsRendered[primIndex] += numPrimsRendered;
|
|
statsNumInstances[primIndex] += numInstances;
|
|
statsNumIndices += numIndices;
|
|
}
|
|
}
|
|
}
|
|
|
|
blitMsaaFbo();
|
|
|
|
if (0 < _render->m_num)
|
|
{
|
|
captureElapsed = -bx::getHPCounter();
|
|
capture();
|
|
captureElapsed += bx::getHPCounter();
|
|
}
|
|
}
|
|
|
|
m_glctx.makeCurrent(NULL);
|
|
int64_t now = bx::getHPCounter();
|
|
elapsed += now;
|
|
|
|
static int64_t last = now;
|
|
int64_t frameTime = now - last;
|
|
last = now;
|
|
|
|
static int64_t min = frameTime;
|
|
static int64_t max = frameTime;
|
|
min = min > frameTime ? frameTime : min;
|
|
max = max < frameTime ? frameTime : max;
|
|
|
|
if (_render->m_debug & (BGFX_DEBUG_IFH|BGFX_DEBUG_STATS) )
|
|
{
|
|
double elapsedGpuMs = 0.0;
|
|
#if BGFX_CONFIG_RENDERER_OPENGL
|
|
m_queries.end(GL_TIME_ELAPSED);
|
|
uint64_t elapsedGl = m_queries.getResult(0);
|
|
elapsedGpuMs = double(elapsedGl)/1e6;
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL
|
|
|
|
TextVideoMem& tvm = m_textVideoMem;
|
|
|
|
static int64_t next = now;
|
|
|
|
if (now >= next)
|
|
{
|
|
next = now + bx::getHPFrequency();
|
|
double freq = double(bx::getHPFrequency() );
|
|
double toMs = 1000.0/freq;
|
|
|
|
tvm.clear();
|
|
uint16_t pos = 0;
|
|
tvm.printf(0, pos++, BGFX_CONFIG_DEBUG ? 0x89 : 0x8f, " %s / " BX_COMPILER_NAME " / " BX_CPU_NAME " / " BX_ARCH_NAME " / " BX_PLATFORM_NAME " "
|
|
, getRendererName()
|
|
);
|
|
tvm.printf(0, pos++, 0x0f, " Vendor: %s", m_vendor);
|
|
tvm.printf(0, pos++, 0x0f, " Renderer: %s", m_renderer);
|
|
tvm.printf(0, pos++, 0x0f, " Version: %s", m_version);
|
|
tvm.printf(0, pos++, 0x0f, "GLSL version: %s", m_glslVersion);
|
|
|
|
pos = 10;
|
|
tvm.printf(10, pos++, 0x8e, " Frame CPU: %7.3f, % 7.3f \x1f, % 7.3f \x1e [ms] / % 6.2f FPS "
|
|
, double(frameTime)*toMs
|
|
, double(min)*toMs
|
|
, double(max)*toMs
|
|
, freq/frameTime
|
|
);
|
|
|
|
const uint32_t msaa = (m_resolution.m_flags&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT;
|
|
tvm.printf(10, pos++, 0x8e, " Reset flags: [%c] vsync, [%c] MSAAx%d "
|
|
, !!(m_resolution.m_flags&BGFX_RESET_VSYNC) ? '\xfe' : ' '
|
|
, 0 != msaa ? '\xfe' : ' '
|
|
, 1<<msaa
|
|
);
|
|
|
|
double elapsedCpuMs = double(elapsed)*toMs;
|
|
tvm.printf(10, pos++, 0x8e, " Draw calls: %4d / CPU %3.4f [ms] %c GPU %3.4f [ms]"
|
|
, _render->m_num
|
|
, elapsedCpuMs
|
|
, elapsedCpuMs > elapsedGpuMs ? '>' : '<'
|
|
, elapsedGpuMs
|
|
);
|
|
for (uint32_t ii = 0; ii < BX_COUNTOF(s_primInfo); ++ii)
|
|
{
|
|
tvm.printf(10, pos++, 0x8e, " %8s: %7d (#inst: %5d), submitted: %7d"
|
|
, s_primName[ii]
|
|
, statsNumPrimsRendered[ii]
|
|
, statsNumInstances[ii]
|
|
, statsNumPrimsSubmitted[ii]
|
|
);
|
|
}
|
|
|
|
tvm.printf(10, pos++, 0x8e, " Indices: %7d", statsNumIndices);
|
|
tvm.printf(10, pos++, 0x8e, " DVB size: %7d", _render->m_vboffset);
|
|
tvm.printf(10, pos++, 0x8e, " DIB size: %7d", _render->m_iboffset);
|
|
|
|
double captureMs = double(captureElapsed)*toMs;
|
|
tvm.printf(10, pos++, 0x8e, " Capture: %3.4f [ms]", captureMs);
|
|
|
|
#if BGFX_CONFIG_RENDERER_OPENGL
|
|
if (s_extension[Extension::ATI_meminfo].m_supported)
|
|
{
|
|
GLint vboFree[4];
|
|
GL_CHECK(glGetIntegerv(GL_VBO_FREE_MEMORY_ATI, vboFree) );
|
|
|
|
GLint texFree[4];
|
|
GL_CHECK(glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, texFree) );
|
|
|
|
GLint rbfFree[4];
|
|
GL_CHECK(glGetIntegerv(GL_RENDERBUFFER_FREE_MEMORY_ATI, rbfFree) );
|
|
|
|
pos++;
|
|
tvm.printf(10, pos++, 0x8c, " -------------| free| free b| aux| aux fb");
|
|
|
|
char tmp0[16];
|
|
char tmp1[16];
|
|
char tmp2[16];
|
|
char tmp3[16];
|
|
|
|
bx::prettify(tmp0, BX_COUNTOF(tmp0), vboFree[0]);
|
|
bx::prettify(tmp1, BX_COUNTOF(tmp1), vboFree[1]);
|
|
bx::prettify(tmp2, BX_COUNTOF(tmp2), vboFree[2]);
|
|
bx::prettify(tmp3, BX_COUNTOF(tmp3), vboFree[3]);
|
|
tvm.printf(10, pos++, 0x8e, " VBO: %10s, %10s, %10s, %10s", tmp0, tmp1, tmp2, tmp3);
|
|
|
|
bx::prettify(tmp0, BX_COUNTOF(tmp0), texFree[0]);
|
|
bx::prettify(tmp1, BX_COUNTOF(tmp1), texFree[1]);
|
|
bx::prettify(tmp2, BX_COUNTOF(tmp2), texFree[2]);
|
|
bx::prettify(tmp3, BX_COUNTOF(tmp3), texFree[3]);
|
|
tvm.printf(10, pos++, 0x8e, " Texture: %10s, %10s, %10s, %10s", tmp0, tmp1, tmp2, tmp3);
|
|
|
|
bx::prettify(tmp0, BX_COUNTOF(tmp0), rbfFree[0]);
|
|
bx::prettify(tmp1, BX_COUNTOF(tmp1), rbfFree[1]);
|
|
bx::prettify(tmp2, BX_COUNTOF(tmp2), rbfFree[2]);
|
|
bx::prettify(tmp3, BX_COUNTOF(tmp3), rbfFree[3]);
|
|
tvm.printf(10, pos++, 0x8e, " Render Buffer: %10s, %10s, %10s, %10s", tmp0, tmp1, tmp2, tmp3);
|
|
}
|
|
else if (s_extension[Extension::NVX_gpu_memory_info].m_supported)
|
|
{
|
|
GLint dedicated;
|
|
GL_CHECK(glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &dedicated) );
|
|
|
|
GLint totalAvail;
|
|
GL_CHECK(glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &totalAvail) );
|
|
GLint currAvail;
|
|
GL_CHECK(glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &currAvail) );
|
|
|
|
GLint evictedCount;
|
|
GL_CHECK(glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX, &evictedCount) );
|
|
|
|
GLint evictedMemory;
|
|
GL_CHECK(glGetIntegerv(GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX, &evictedMemory) );
|
|
|
|
pos += 2;
|
|
|
|
char tmp0[16];
|
|
char tmp1[16];
|
|
|
|
bx::prettify(tmp0, BX_COUNTOF(tmp0), dedicated);
|
|
tvm.printf(10, pos++, 0x8e, " Dedicated: %10s", tmp0);
|
|
|
|
bx::prettify(tmp0, BX_COUNTOF(tmp0), currAvail);
|
|
bx::prettify(tmp1, BX_COUNTOF(tmp1), totalAvail);
|
|
tvm.printf(10, pos++, 0x8e, " Available: %10s / %10s", tmp0, tmp1);
|
|
|
|
bx::prettify(tmp0, BX_COUNTOF(tmp0), evictedCount);
|
|
bx::prettify(tmp1, BX_COUNTOF(tmp1), evictedMemory);
|
|
tvm.printf(10, pos++, 0x8e, " Eviction: %10s / %10s", tmp0, tmp1);
|
|
}
|
|
#endif // BGFX_CONFIG_RENDERER_OPENGL
|
|
|
|
uint8_t attr[2] = { 0x89, 0x8a };
|
|
uint8_t attrIndex = _render->m_waitSubmit < _render->m_waitRender;
|
|
|
|
pos++;
|
|
tvm.printf(10, pos++, attr[attrIndex&1], "Submit wait: %3.4f [ms]", double(_render->m_waitSubmit)*toMs);
|
|
tvm.printf(10, pos++, attr[(attrIndex+1)&1], "Render wait: %3.4f [ms]", double(_render->m_waitRender)*toMs);
|
|
|
|
min = frameTime;
|
|
max = frameTime;
|
|
}
|
|
|
|
blit(this, _textVideoMemBlitter, tvm);
|
|
}
|
|
else if (_render->m_debug & BGFX_DEBUG_TEXT)
|
|
{
|
|
blit(this, _textVideoMemBlitter, _render->m_textVideoMem);
|
|
}
|
|
|
|
GL_CHECK(glFrameTerminatorGREMEDY() );
|
|
}
|
|
} // namespace bgfx
|
|
|
|
#else
|
|
|
|
namespace bgfx
|
|
{
|
|
RendererContextI* rendererCreateGL()
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
void rendererDestroyGL()
|
|
{
|
|
}
|
|
} // namespace bgfx
|
|
|
|
#endif // (BGFX_CONFIG_RENDERER_OPENGLES || BGFX_CONFIG_RENDERER_OPENGL)
|