bgfx/src/renderer_gl.h

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/*
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* Copyright 2011-2014 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#ifndef BGFX_RENDERER_GL_H_HEADER_GUARD
#define BGFX_RENDERER_GL_H_HEADER_GUARD
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#define BGFX_USE_EGL ( (BGFX_CONFIG_RENDERER_OPENGLES2 || BGFX_CONFIG_RENDERER_OPENGLES3) && (BX_PLATFORM_ANDROID || BX_PLATFORM_EMSCRIPTEN || BX_PLATFORM_QNX || BX_PLATFORM_WINDOWS) )
#define BGFX_USE_WGL (BGFX_CONFIG_RENDERER_OPENGL && BX_PLATFORM_WINDOWS)
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#define BGFX_USE_GL_DYNAMIC_LIB (BX_PLATFORM_LINUX || BX_PLATFORM_OSX || BX_PLATFORM_WINDOWS)
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#if BGFX_CONFIG_RENDERER_OPENGL
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# if BGFX_CONFIG_RENDERER_OPENGL >= 31
# include <gl/glcorearb.h>
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# if BX_PLATFORM_OSX
# define GL_ARB_shader_objects // OSX collsion with GLhandleARB in gltypes.h
# endif // BX_PLATFORM_OSX
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# else
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# if BX_PLATFORM_LINUX
# define GL_PROTOTYPES
# define GL_GLEXT_LEGACY
# include <GL/gl.h>
# undef GL_PROTOTYPES
# elif BX_PLATFORM_OSX
# define GL_GLEXT_LEGACY
# define long ptrdiff_t
# include <OpenGL/gl.h>
# undef long
# undef GL_VERSION_1_2
# undef GL_VERSION_1_3
# undef GL_VERSION_1_4
# undef GL_VERSION_1_5
# undef GL_VERSION_2_0
# else
# include <GL/gl.h>
# endif // BX_PLATFORM_
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# include <gl/glext.h>
# endif // BGFX_CONFIG_RENDERER_OPENGL >= 31
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#elif BGFX_CONFIG_RENDERER_OPENGLES2 || BGFX_CONFIG_RENDERER_OPENGLES3
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typedef double GLdouble;
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# if BGFX_CONFIG_RENDERER_OPENGLES2
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# if BX_PLATFORM_IOS
# include <OpenGLES/ES2/gl.h>
# include <OpenGLES/ES2/glext.h>
//#define GL_UNSIGNED_INT_10_10_10_2_OES 0x8DF6
#define GL_UNSIGNED_INT_2_10_10_10_REV_EXT 0x8368
#define GL_TEXTURE_3D_OES 0x806F
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#define GL_SAMPLER_3D_OES 0x8B5F
#define GL_TEXTURE_WRAP_R_OES 0x8072
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#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
# else
# include <GLES2/gl2platform.h>
# include <GLES2/gl2.h>
# include <GLES2/gl2ext.h>
# endif // BX_PLATFORM_
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typedef int64_t GLint64;
typedef uint64_t GLuint64;
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# define GL_PROGRAM_BINARY_LENGTH GL_PROGRAM_BINARY_LENGTH_OES
# define GL_HALF_FLOAT GL_HALF_FLOAT_OES
# define GL_RGBA8 GL_RGBA //GL_RGBA8_OES
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# define GL_RGB10_A2 GL_RGB10_A2_EXT
# define GL_R16F GL_R16F_EXT
# define GL_R32F GL_R32F_EXT
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# define GL_UNSIGNED_INT_2_10_10_10_REV GL_UNSIGNED_INT_2_10_10_10_REV_EXT
# define GL_TEXTURE_3D GL_TEXTURE_3D_OES
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# define GL_SAMPLER_3D GL_SAMPLER_3D_OES
# define GL_TEXTURE_WRAP_R GL_TEXTURE_WRAP_R_OES
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# define GL_MIN GL_MIN_EXT
# define GL_MAX GL_MAX_EXT
# define GL_DEPTH_COMPONENT24 GL_DEPTH_COMPONENT24_OES
# define GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
# define GL_DEPTH_COMPONENT32 GL_DEPTH_COMPONENT32_OES
# define GL_UNSIGNED_INT_24_8 GL_UNSIGNED_INT_24_8_OES
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# elif BGFX_CONFIG_RENDERER_OPENGLES3
# include <GLES3/gl3platform.h>
# include <GLES3/gl3.h>
# include <GLES3/gl3ext.h>
# endif // BGFX_CONFIG_RENDERER_
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# if BGFX_USE_EGL
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# include "glcontext_egl.h"
# endif // BGFX_USE_EGL
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# if BX_PLATFORM_EMSCRIPTEN
# include <emscripten/emscripten.h>
# endif // BX_PLATFORM_EMSCRIPTEN
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#endif // BGFX_CONFIG_RENDERER_OPENGL
#ifndef GL_LUMINANCE
# define GL_LUMINANCE 0x1909
#endif // GL_LUMINANCE
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#ifndef GL_BGRA_EXT
# define GL_BGRA_EXT 0x80E1
#endif // GL_BGRA_EXT
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#ifndef GL_R16F_EXT
# define GL_R16F_EXT 0x822D
#endif // GL_R16F_EXT
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#ifndef GL_R32F_EXT
# define GL_R32F_EXT 0x822E
#endif // GL_R32F_EXT
#ifndef GL_RGB10_A2_EXT
# define GL_RGB10_A2_EXT 0x8059
#endif // GL_RGB10_A2_EXT
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#ifndef GL_RGBA16
# define GL_RGBA16 0x805B
#endif // GL_RGBA16
#ifndef GL_RGBA16F
# define GL_RGBA16F 0x881A
#endif // GL_RGBA16F
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#ifndef GL_COMPRESSED_RGB_S3TC_DXT1_EXT
# define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
#endif // GL_COMPRESSED_RGB_S3TC_DXT1_EXT
#ifndef GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
# define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#endif // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
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#ifndef GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
# define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#endif // GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
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#ifndef GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
# define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#endif // GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
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#ifndef GL_COMPRESSED_LUMINANCE_LATC1_EXT
# define GL_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
#endif // GL_COMPRESSED_LUMINANCE_LATC1_EXT
#ifndef GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
# define GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
#endif // GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT
#ifndef GL_COMPRESSED_RED_RGTC1_EXT
# define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
#endif // GL_COMPRESSED_RED_RGTC1_EXT
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#ifndef GL_COMPRESSED_RED_GREEN_RGTC2_EXT
# define GL_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
#endif // GL_COMPRESSED_RED_GREEN_RGTC2_EXT
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#ifndef GL_ETC1_RGB8_OES
# define GL_ETC1_RGB8_OES 0x8D64
#endif // GL_ETC1_RGB8_OES
#ifndef GL_COMPRESSED_RGB8_ETC2
# define GL_COMPRESSED_RGB8_ETC2 0x9274
#endif // GL_COMPRESSED_RGB8_ETC2
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#ifndef GL_COMPRESSED_RGBA8_ETC2_EAC
# define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#endif // GL_COMPRESSED_RGBA8_ETC2_EAC
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#ifndef GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
# define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#endif // GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
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#ifndef GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
# define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#endif // GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
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#ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
# define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
#endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
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#ifndef GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
# define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#endif // GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG
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#ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
# define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
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#ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
# define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG 0x9137
#endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
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#ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
# define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG 0x9138
#endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
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#ifndef GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
# define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
#endif // GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
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#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
# define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#endif // GL_TEXTURE_MAX_ANISOTROPY_EXT
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#ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
# define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
#endif // GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
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#ifndef GL_VBO_FREE_MEMORY_ATI
# define GL_VBO_FREE_MEMORY_ATI 0x87FB
#endif // GL_VBO_FREE_MEMORY_ATI
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#ifndef GL_TEXTURE_FREE_MEMORY_ATI
# define GL_TEXTURE_FREE_MEMORY_ATI 0x87FC
#endif // GL_TEXTURE_FREE_MEMORY_ATI
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#ifndef GL_RENDERBUFFER_FREE_MEMORY_ATI
# define GL_RENDERBUFFER_FREE_MEMORY_ATI 0x87FD
#endif // GL_RENDERBUFFER_FREE_MEMORY_ATI
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// http://developer.download.nvidia.com/opengl/specs/GL_NVX_gpu_memory_info.txt
#ifndef GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
# define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
#endif // GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
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#ifndef GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
# define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
#endif // GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
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#ifndef GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
# define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
#endif // GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
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#ifndef GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
# define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
#endif // GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
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#ifndef GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
# define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
#endif // GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
#ifndef GL_UNPACK_ROW_LENGTH
# define GL_UNPACK_ROW_LENGTH 0x0CF2
#endif // GL_UNPACK_ROW_LENGTH
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#ifndef GL_DEPTH_STENCIL
# define GL_DEPTH_STENCIL 0x84F9
#endif // GL_DEPTH_STENCIL
#ifndef GL_DEPTH_COMPONENT32
# define GL_DEPTH_COMPONENT32 0x81A7
#endif // GL_DEPTH_COMPONENT32
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#ifndef GL_DEPTH_COMPONENT32F
# define GL_DEPTH_COMPONENT32F 0x8CAC
#endif // GL_DEPTH_COMPONENT32F
#ifndef GL_DEPTH_STENCIL_ATTACHMENT
# define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
#endif // GL_DEPTH_STENCIL_ATTACHMENT
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#if BX_PLATFORM_NACL
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# include "glcontext_ppapi.h"
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#elif BX_PLATFORM_WINDOWS
# include <windows.h>
#elif BX_PLATFORM_LINUX
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# include "glcontext_glx.h"
#elif BX_PLATFORM_OSX
# include "glcontext_nsgl.h"
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#elif BX_PLATFORM_IOS
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# include "glcontext_eagl.h"
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#endif // BX_PLATFORM_
#if BGFX_CONFIG_DEBUG_GREMEDY && (BX_PLATFORM_WINDOWS || BX_PLATFORM_LINUX)
# include <gl/GRemedyGLExtensions.h>
#endif // BGFX_CONFIG_DEBUG_GREMEDY && (BX_PLATFORM_WINDOWS || BX_PLATFORM_LINUX)
#if BGFX_USE_WGL
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# include "glcontext_wgl.h"
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#endif // BGFX_USE_WGL
#ifndef GL_APIENTRY
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# define GL_APIENTRY APIENTRY
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#endif // GL_APIENTRY
#ifndef GL_APIENTRYP
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# define GL_APIENTRYP GL_APIENTRY*
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#endif // GL_APIENTRYP
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#if !BGFX_CONFIG_RENDERER_OPENGL
# define glClearDepth glClearDepthf
#endif // !BGFX_CONFIG_RENDERER_OPENGL
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namespace bgfx
{
# define _GL_CHECK(_call) \
do { \
/*BX_TRACE(#_call);*/ \
_call; \
GLenum err = glGetError(); \
BX_CHECK(0 == err, #_call "; glError 0x%x %d", err, err); \
} while (0)
#if BGFX_CONFIG_DEBUG
# define GL_CHECK(_call) _GL_CHECK(_call)
#else
# define GL_CHECK(_call) _call
#endif // BGFX_CONFIG_DEBUG
#if BGFX_CONFIG_DEBUG_GREMEDY
# define _GREMEDY_SETMARKER(_string) glStringMarkerGREMEDY(0, _string)
# define _GREMEDY_FRAMETERMINATOR() glFrameTerminatorGREMEDY()
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#else
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# define _GREMEDY_SETMARKER(_string) do { BX_UNUSED(_string); } while(0)
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# define _GREMEDY_FRAMETERMINATOR() do {} while(0)
#endif // BGFX_CONFIG_DEBUG_GREMEDY
#define GREMEDY_SETMARKER(_string) _GREMEDY_SETMARKER(_string)
#define GREMEDY_FRAMETERMINATOR() _GREMEDY_FRAMETERMINATOR()
#define GL_IMPORT_TYPEDEFS 1
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#define GL_IMPORT(_optional, _proto, _func, _import) extern _proto _func
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#include "glimports.h"
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void dumpExtensions(const char* _extensions);
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class ConstantBuffer;
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class VaoStateCache
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{
public:
GLuint add(uint32_t _hash)
{
invalidate(_hash);
GLuint arrayId;
GL_CHECK(glGenVertexArrays(1, &arrayId) );
m_hashMap.insert(stl::make_pair(_hash, arrayId) );
return arrayId;
}
GLuint find(uint32_t _hash)
{
HashMap::iterator it = m_hashMap.find(_hash);
if (it != m_hashMap.end() )
{
return it->second;
}
return UINT32_MAX;
}
void invalidate(uint32_t _hash)
{
GL_CHECK(glBindVertexArray(0) );
HashMap::iterator it = m_hashMap.find(_hash);
if (it != m_hashMap.end() )
{
GL_CHECK(glDeleteVertexArrays(1, &it->second) );
m_hashMap.erase(it);
}
}
void invalidate()
{
GL_CHECK(glBindVertexArray(0) );
for (HashMap::iterator it = m_hashMap.begin(), itEnd = m_hashMap.end(); it != itEnd; ++it)
{
GL_CHECK(glDeleteVertexArrays(1, &it->second) );
}
m_hashMap.clear();
}
private:
typedef stl::unordered_map<uint32_t, GLuint> HashMap;
HashMap m_hashMap;
};
class VaoCacheRef
{
public:
void add(uint32_t _hash)
{
m_vaoSet.insert(_hash);
}
void invalidate(VaoStateCache& _vaoCache)
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{
for (VaoSet::iterator it = m_vaoSet.begin(), itEnd = m_vaoSet.end(); it != itEnd; ++it)
{
_vaoCache.invalidate(*it);
}
m_vaoSet.clear();
}
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typedef stl::unordered_set<uint32_t> VaoSet;
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VaoSet m_vaoSet;
};
#if !BGFX_CONFIG_RENDERER_OPENGLES2
class SamplerStateCache
{
public:
GLuint add(uint32_t _hash)
{
invalidate(_hash);
GLuint samplerId;
GL_CHECK(glGenSamplers(1, &samplerId) );
m_hashMap.insert(stl::make_pair(_hash, samplerId) );
return samplerId;
}
GLuint find(uint32_t _hash)
{
HashMap::iterator it = m_hashMap.find(_hash);
if (it != m_hashMap.end() )
{
return it->second;
}
return UINT32_MAX;
}
void invalidate(uint32_t _hash)
{
HashMap::iterator it = m_hashMap.find(_hash);
if (it != m_hashMap.end() )
{
GL_CHECK(glDeleteSamplers(1, &it->second) );
m_hashMap.erase(it);
}
}
void invalidate()
{
for (HashMap::iterator it = m_hashMap.begin(), itEnd = m_hashMap.end(); it != itEnd; ++it)
{
GL_CHECK(glDeleteSamplers(1, &it->second) );
}
m_hashMap.clear();
}
private:
typedef stl::unordered_map<uint32_t, GLuint> HashMap;
HashMap m_hashMap;
};
#endif // !BGFX_CONFIG_RENDERER_OPENGLES2
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struct IndexBuffer
{
void create(uint32_t _size, void* _data)
{
m_size = _size;
GL_CHECK(glGenBuffers(1, &m_id) );
BX_CHECK(0 != m_id, "Failed to generate buffer id.");
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_id) );
GL_CHECK(glBufferData(GL_ELEMENT_ARRAY_BUFFER
, _size
, _data
, (NULL==_data)?GL_DYNAMIC_DRAW:GL_STATIC_DRAW
) );
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) );
}
void update(uint32_t _offset, uint32_t _size, void* _data)
{
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BX_CHECK(0 != m_id, "Updating invalid index buffer.");
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GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_id) );
GL_CHECK(glBufferSubData(GL_ELEMENT_ARRAY_BUFFER
, _offset
, _size
, _data
) );
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) );
}
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void destroy();
void add(uint32_t _hash)
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{
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m_vcref.add(_hash);
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}
GLuint m_id;
uint32_t m_size;
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VaoCacheRef m_vcref;
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};
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struct VertexBuffer
{
void create(uint32_t _size, void* _data, VertexDeclHandle _declHandle)
{
m_size = _size;
m_decl = _declHandle;
GL_CHECK(glGenBuffers(1, &m_id) );
BX_CHECK(0 != m_id, "Failed to generate buffer id.");
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, m_id) );
GL_CHECK(glBufferData(GL_ARRAY_BUFFER
, _size
, _data
, (NULL==_data)?GL_DYNAMIC_DRAW:GL_STATIC_DRAW
) );
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0) );
}
void update(uint32_t _offset, uint32_t _size, void* _data)
{
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BX_CHECK(0 != m_id, "Updating invalid vertex buffer.");
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GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, m_id) );
GL_CHECK(glBufferSubData(GL_ARRAY_BUFFER
, _offset
, _size
, _data
) );
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0) );
}
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void destroy();
void add(uint32_t _hash)
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{
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m_vcref.add(_hash);
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}
GLuint m_id;
uint32_t m_size;
VertexDeclHandle m_decl;
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VaoCacheRef m_vcref;
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};
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struct Texture
{
Texture()
: m_id(0)
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, m_rbo(0)
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, m_target(GL_TEXTURE_2D)
, m_fmt(GL_ZERO)
, m_type(GL_ZERO)
, m_flags(0)
, m_currentFlags(UINT32_MAX)
, m_numMips(0)
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{
}
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bool init(GLenum _target, uint32_t _width, uint32_t _height, uint8_t _format, uint8_t _numMips, uint32_t _flags);
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void create(const Memory* _mem, uint32_t _flags);
void destroy();
void update(uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem);
void setSamplerState(uint32_t _flags);
void commit(uint32_t _stage, uint32_t _flags);
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GLuint m_id;
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GLuint m_rbo;
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GLenum m_target;
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GLenum m_fmt;
GLenum m_type;
uint32_t m_flags;
uint32_t m_currentFlags;
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uint32_t m_width;
uint32_t m_height;
uint8_t m_numMips;
uint8_t m_requestedFormat;
uint8_t m_textureFormat;
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};
struct Shader
{
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Shader()
: m_id(0)
{
}
void create(GLenum _type, Memory* _mem);
void destroy();
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GLuint m_id;
GLenum m_type;
uint32_t m_hash;
};
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struct FrameBuffer
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{
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FrameBuffer()
: m_num(0)
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{
memset(m_fbo, 0, sizeof(m_fbo) );
}
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void create(uint8_t _num, const TextureHandle* _handles);
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void destroy();
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void resolve();
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uint8_t m_num;
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GLuint m_fbo[2];
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uint32_t m_width;
uint32_t m_height;
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};
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struct Program
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{
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Program()
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: m_id(0)
, m_constantBuffer(NULL)
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, m_numPredefined(0)
{
}
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void create(const Shader& _vsh, const Shader& _fsh);
void destroy();
void init();
void bindAttributes(const VertexDecl& _vertexDecl, uint32_t _baseVertex = 0) const;
void bindInstanceData(uint32_t _stride, uint32_t _baseVertex = 0) const;
void commit()
{
m_constantBuffer->commit();
}
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void add(uint32_t _hash)
{
m_vcref.add(_hash);
}
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GLuint m_id;
uint8_t m_used[Attrib::Count+1]; // dense
GLint m_attributes[Attrib::Count]; // sparse
GLint m_instanceData[BGFX_CONFIG_MAX_INSTANCE_DATA_COUNT];
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GLint m_sampler[BGFX_CONFIG_MAX_TEXTURES];
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uint8_t m_numSamplers;
ConstantBuffer* m_constantBuffer;
PredefinedUniform m_predefined[PredefinedUniform::Count];
uint8_t m_numPredefined;
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VaoCacheRef m_vcref;
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};
#if BGFX_CONFIG_RENDERER_OPENGL
struct Queries
{
void create()
{
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glGenQueries(BX_COUNTOF(m_queries), m_queries);
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}
void destroy()
{
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glDeleteQueries(BX_COUNTOF(m_queries), m_queries);
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}
void begin(uint16_t _id, GLenum _target) const
{
glBeginQuery(_target, m_queries[_id]);
}
void end(GLenum _target) const
{
glEndQuery(_target);
}
uint64_t getResult(uint16_t _id) const
{
uint64_t result;
glGetQueryObjectui64v(m_queries[_id], GL_QUERY_RESULT, &result);
return result;
}
GLuint m_queries[64];
};
#endif // BGFX_CONFIG_RENDERER_OPENGL
} // namespace bgfx
#endif // BGFX_RENDERER_GL_H_HEADER_GUARD