bgfx/include/bgfx.c99.h

/*
 * Copyright 2011-2015 Branimir Karadzic. All rights reserved.
 * License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
 *
 * vim: set tabstop=4 expandtab:
 */

#ifndef BGFX_C99_H_HEADER_GUARD
#define BGFX_C99_H_HEADER_GUARD

#include <stdbool.h> // bool
#include <stdint.h>  // uint32_t
#include <stdlib.h>  // size_t

#include "bgfxdefines.h"

typedef enum bgfx_renderer_type
{
    BGFX_RENDERER_TYPE_NULL,
    BGFX_RENDERER_TYPE_DIRECT3D9,
    BGFX_RENDERER_TYPE_DIRECT3D11,
    BGFX_RENDERER_TYPE_DIRECT3D12,
    BGFX_RENDERER_TYPE_OPENGLES,
    BGFX_RENDERER_TYPE_OPENGL,
    BGFX_RENDERER_TYPE_VULKAN,

    BGFX_RENDERER_TYPE_COUNT

} bgfx_renderer_type_t;

typedef enum bgfx_access
{
    BGFX_ACCESS_READ,
    BGFX_ACCESS_WRITE,
    BGFX_ACCESS_READWRITE,

    BGFX_ACCESS_COUNT

} bgfx_access_t;

typedef enum bgfx_attrib
{
    BGFX_ATTRIB_POSITION,
    BGFX_ATTRIB_NORMAL,
    BGFX_ATTRIB_TANGENT,
    BGFX_ATTRIB_BITANGENT,
    BGFX_ATTRIB_COLOR0,
    BGFX_ATTRIB_COLOR1,
    BGFX_ATTRIB_INDICES,
    BGFX_ATTRIB_WEIGHT,
    BGFX_ATTRIB_TEXCOORD0,
    BGFX_ATTRIB_TEXCOORD1,
    BGFX_ATTRIB_TEXCOORD2,
    BGFX_ATTRIB_TEXCOORD3,
    BGFX_ATTRIB_TEXCOORD4,
    BGFX_ATTRIB_TEXCOORD5,
    BGFX_ATTRIB_TEXCOORD6,
    BGFX_ATTRIB_TEXCOORD7,

    BGFX_ATTRIB_COUNT

} bgfx_attrib_t;

typedef enum bgfx_attrib_type
{
    BGFX_ATTRIB_TYPE_UINT8,
    BGFX_ATTRIB_TYPE_INT16,
    BGFX_ATTRIB_TYPE_HALF,
    BGFX_ATTRIB_TYPE_FLOAT,

    BGFX_ATTRIB_TYPE_COUNT

} bgfx_attrib_type_t;

typedef enum bgfx_texture_format
{
    BGFX_TEXTURE_FORMAT_BC1,
    BGFX_TEXTURE_FORMAT_BC2,
    BGFX_TEXTURE_FORMAT_BC3,
    BGFX_TEXTURE_FORMAT_BC4,
    BGFX_TEXTURE_FORMAT_BC5,
    BGFX_TEXTURE_FORMAT_BC6H,
    BGFX_TEXTURE_FORMAT_BC7,
    BGFX_TEXTURE_FORMAT_ETC1,
    BGFX_TEXTURE_FORMAT_ETC2,
    BGFX_TEXTURE_FORMAT_ETC2A,
    BGFX_TEXTURE_FORMAT_ETC2A1,
    BGFX_TEXTURE_FORMAT_PTC12,
    BGFX_TEXTURE_FORMAT_PTC14,
    BGFX_TEXTURE_FORMAT_PTC12A,
    BGFX_TEXTURE_FORMAT_PTC14A,
    BGFX_TEXTURE_FORMAT_PTC22,
    BGFX_TEXTURE_FORMAT_PTC24,

    BGFX_TEXTURE_FORMAT_UNKNOWN,

    BGFX_TEXTURE_FORMAT_R1,
    BGFX_TEXTURE_FORMAT_R8,
    BGFX_TEXTURE_FORMAT_R16,
    BGFX_TEXTURE_FORMAT_R16F,
    BGFX_TEXTURE_FORMAT_R32,
    BGFX_TEXTURE_FORMAT_R32F,
    BGFX_TEXTURE_FORMAT_RG8,
    BGFX_TEXTURE_FORMAT_RG16,
    BGFX_TEXTURE_FORMAT_RG16F,
    BGFX_TEXTURE_FORMAT_RG32,
    BGFX_TEXTURE_FORMAT_RG32F,
    BGFX_TEXTURE_FORMAT_BGRA8,
    BGFX_TEXTURE_FORMAT_RGBA8,
    BGFX_TEXTURE_FORMAT_RGBA16,
    BGFX_TEXTURE_FORMAT_RGBA16F,
    BGFX_TEXTURE_FORMAT_RGBA32,
    BGFX_TEXTURE_FORMAT_RGBA32F,
    BGFX_TEXTURE_FORMAT_R5G6B5,
    BGFX_TEXTURE_FORMAT_RGBA4,
    BGFX_TEXTURE_FORMAT_RGB5A1,
    BGFX_TEXTURE_FORMAT_RGB10A2,
    BGFX_TEXTURE_FORMAT_R11G11B10F,

    BGFX_TEXTURE_FORMAT_UNKNOWN_DEPTH,

    BGFX_TEXTURE_FORMAT_D16,
    BGFX_TEXTURE_FORMAT_D24,
    BGFX_TEXTURE_FORMAT_D24S8,
    BGFX_TEXTURE_FORMAT_D32,
    BGFX_TEXTURE_FORMAT_D16F,
    BGFX_TEXTURE_FORMAT_D24F,
    BGFX_TEXTURE_FORMAT_D32F,
    BGFX_TEXTURE_FORMAT_D0S8,

    BGFX_TEXTURE_FORMAT_COUNT

} bgfx_texture_format_t;

typedef enum bgfx_uniform_type
{
    BGFX_UNIFORM_TYPE_UNIFORM1I,
    BGFX_UNIFORM_TYPE_UNIFORM1F,
    BGFX_UNIFORM_TYPE_END,

    BGFX_UNIFORM_TYPE_UNIFORM1IV,
    BGFX_UNIFORM_TYPE_UNIFORM1FV,
    BGFX_UNIFORM_TYPE_UNIFORM2FV,
    BGFX_UNIFORM_TYPE_UNIFORM3FV,
    BGFX_UNIFORM_TYPE_UNIFORM4FV,
    BGFX_UNIFORM_TYPE_UNIFORM3X3FV,
    BGFX_UNIFORM_TYPE_UNIFORM4X4FV,

    BGFX_UNIFORM_TYPE_COUNT

} bgfx_uniform_type_t;

typedef enum bgfx_backbuffer_ratio
{
    BGFX_BACKBUFFER_RATIO_EQUAL,
    BGFX_BACKBUFFER_RATIO_HALF,
    BGFX_BACKBUFFER_RATIO_QUARTER,
    BGFX_BACKBUFFER_RATIO_EIGHTH,
    BGFX_BACKBUFFER_RATIO_SIXTEENTH,
    BGFX_BACKBUFFER_RATIO_DOUBLE,

    BGFX_BACKBUFFER_RATIO_COUNT

} bgfx_backbuffer_ratio_t;

#define BGFX_HANDLE_T(_name) \
    typedef struct _name { uint16_t idx; } _name##_t;

BGFX_HANDLE_T(bgfx_indirect_buffer_handle);
BGFX_HANDLE_T(bgfx_dynamic_index_buffer_handle);
BGFX_HANDLE_T(bgfx_dynamic_vertex_buffer_handle);
BGFX_HANDLE_T(bgfx_frame_buffer_handle);
BGFX_HANDLE_T(bgfx_index_buffer_handle);
BGFX_HANDLE_T(bgfx_program_handle);
BGFX_HANDLE_T(bgfx_shader_handle);
BGFX_HANDLE_T(bgfx_texture_handle);
BGFX_HANDLE_T(bgfx_uniform_handle);
BGFX_HANDLE_T(bgfx_vertex_buffer_handle);
BGFX_HANDLE_T(bgfx_vertex_decl_handle);

#undef BGFX_HANDLE_T

/**/
typedef void (*bgfx_release_fn_t)(void* _ptr, void* _userData);

/**/
typedef struct bgfx_memory
{
    uint8_t* data;
    uint32_t size;

} bgfx_memory_t;

/**/
typedef struct bgfx_transform
{
    float* data;
    uint16_t num;

} bgfx_transform_t;

/**/
typedef struct bgfx_hmd_eye
{
    float rotation[4];
    float translation[3];
    float fov[4];
    float adjust[3];
    float pixelsPerTanAngle[2];

} bgfx_hmd_eye_t;

/**/
typedef struct bgfx_hmd
{
    bgfx_hmd_eye_t eye[2];
    uint16_t width;
    uint16_t height;

} bgfx_hmd_t;

/**/
typedef struct bgfx_vertex_decl
{
    uint32_t hash;
    uint16_t stride;
    uint16_t offset[BGFX_ATTRIB_COUNT];
    uint8_t  attributes[BGFX_ATTRIB_COUNT];

} bgfx_vertex_decl_t;

/**/
typedef struct bgfx_transient_index_buffer
{
    uint8_t* data;
    uint32_t size;
    bgfx_index_buffer_handle_t handle;
    uint32_t startIndex;

} bgfx_transient_index_buffer_t;

/**/
typedef struct bgfx_transient_vertex_buffer
{
    uint8_t* data;
    uint32_t size;
    uint32_t startVertex;
    uint16_t stride;
    bgfx_vertex_buffer_handle_t handle;
    bgfx_vertex_decl_handle_t decl;

} bgfx_transient_vertex_buffer_t;

/**/
typedef struct bgfx_instance_data_buffer
{
    uint8_t* data;
    uint32_t size;
    uint32_t offset;
    uint32_t num;
    uint16_t stride;
    bgfx_vertex_buffer_handle_t handle;

} bgfx_instance_data_buffer_t;

/**/
typedef struct bgfx_texture_info
{
    bgfx_texture_format_t format;
    uint32_t storageSize;
    uint16_t width;
    uint16_t height;
    uint16_t depth;
    uint8_t numMips;
    uint8_t bitsPerPixel;
    bool    cubeMap;

} bgfx_texture_info_t;

/**/
typedef struct bgfx_caps_gpu
{
    uint16_t vendorId;
    uint16_t deviceId;

} bgfx_caps_gpu_t;

/**/
typedef struct bgfx_caps
{
    bgfx_renderer_type_t rendererType;

    uint64_t supported;

    uint32_t maxDrawCalls;
    uint16_t maxTextureSize;
    uint16_t maxViews;
    uint8_t  maxFBAttachments;
    uint8_t  numGPUs;

    uint16_t vendorId;
    uint16_t deviceId;
    bgfx_caps_gpu_t gpu[4];

    uint8_t formats[BGFX_TEXTURE_FORMAT_COUNT];

} bgfx_caps_t;

/**/
typedef enum bgfx_fatal
{
    BGFX_FATAL_DEBUG_CHECK,
    BGFX_FATAL_MINIMUM_REQUIRED_SPECS,
    BGFX_FATAL_INVALID_SHADER,
    BGFX_FATAL_UNABLE_TO_INITIALIZE,
    BGFX_FATAL_UNABLE_TO_CREATE_TEXTURE,
    BGFX_FATAL_DEVICE_LOST,

    BGFX_FATAL_COUNT

} bgfx_fatal_t;

#ifndef BGFX_SHARED_LIB_BUILD
#    define BGFX_SHARED_LIB_BUILD 0
#endif // BGFX_SHARED_LIB_BUILD

#ifndef BGFX_SHARED_LIB_USE
#    define BGFX_SHARED_LIB_USE 0
#endif // BGFX_SHARED_LIB_USE

#if defined(_MSC_VER)
#   define BGFX_VTBL_CALL __stdcall
#   define BGFX_VTBL_THIS  // passed via ecx
#   define BGFX_VTBL_THIS_ // passed via ecx
#   if BGFX_SHARED_LIB_BUILD
#       define BGFX_SHARED_LIB_API __declspec(dllexport)
#   elif BGFX_SHARED_LIB_USE
#       define BGFX_SHARED_LIB_API __declspec(dllimport)
#   else
#       define BGFX_SHARED_LIB_API
#   endif // BGFX_SHARED_LIB_*
#else
#   define BGFX_VTBL_CALL
#   define BGFX_VTBL_THIS  BGFX_VTBL_INTEFRACE _this
#   define BGFX_VTBL_THIS_ BGFX_VTBL_INTEFRACE _this,
#   define BGFX_SHARED_LIB_API
#endif // defined(_MSC_VER)

#if defined(__cplusplus)
#   define BGFX_C_API extern "C" BGFX_SHARED_LIB_API
#else
#   define BGFX_C_API BGFX_SHARED_LIB_API
#endif // defined(__cplusplus)

/**/
typedef struct bgfx_callback_interface
{
    const struct bgfx_callback_vtbl* vtbl;

} bgfx_callback_interface_t;

/**/
typedef struct bgfx_callback_vtbl
{
#   define BGFX_VTBL_INTEFRACE bgfx_callback_interface_t

    void* ctor;
    void (BGFX_VTBL_CALL *fatal)(BGFX_VTBL_THIS_ bgfx_fatal_t _code, const char* _str);
    uint32_t (BGFX_VTBL_CALL *cache_read_size)(BGFX_VTBL_THIS_ uint64_t _id);
    bool (BGFX_VTBL_CALL *cache_read)(BGFX_VTBL_THIS_ uint64_t _id, void* _data, uint32_t _size);
    void (BGFX_VTBL_CALL *cache_write)(BGFX_VTBL_THIS_ uint64_t _id, const void* _data, uint32_t _size);
    void (BGFX_VTBL_CALL *screen_shot)(BGFX_VTBL_THIS_ const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _data, uint32_t _size, bool _yflip);
    void (BGFX_VTBL_CALL *capture_begin)(BGFX_VTBL_THIS_ uint32_t _width, uint32_t _height, uint32_t _pitch, bgfx_texture_format_t _format, bool _yflip);
    void (BGFX_VTBL_CALL *capture_end)(BGFX_VTBL_THIS);
    void (BGFX_VTBL_CALL *capture_frame)(BGFX_VTBL_THIS_ const void* _data, uint32_t _size);

#   undef BGFX_VTBL_INTEFRACE

} bgfx_callback_vtbl_t;

/**/
typedef struct bgfx_reallocator_interface
{
    const struct bgfx_reallocator_vtbl* vtbl;

} bgfx_reallocator_interface_t;

/**/
typedef struct bgfx_reallocator_vtbl
{
#   define BGFX_VTBL_INTEFRACE bgfx_reallocator_interface_t

    void* ctor;
    void* (BGFX_VTBL_CALL *alloc)(BGFX_VTBL_THIS_ size_t _size, size_t _align, const char* _file, uint32_t _line);
    void  (BGFX_VTBL_CALL *free)(BGFX_VTBL_THIS_ void* _ptr, size_t _align, const char* _file, uint32_t _line);
    void* (BGFX_VTBL_CALL *realloc)(BGFX_VTBL_THIS_ void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line);

#   undef BGFX_VTBL_INTEFRACE

} bgfx_reallocator_vtbl_t;

/**/
BGFX_C_API void bgfx_vertex_decl_begin(bgfx_vertex_decl_t* _decl, bgfx_renderer_type_t _renderer);

/**/
BGFX_C_API void bgfx_vertex_decl_add(bgfx_vertex_decl_t* _decl, bgfx_attrib_t _attrib, uint8_t _num, bgfx_attrib_type_t _type, bool _normalized, bool _asInt);

/**/
BGFX_C_API void bgfx_vertex_decl_skip(bgfx_vertex_decl_t* _decl, uint8_t _num);

/**/
BGFX_C_API void bgfx_vertex_decl_end(bgfx_vertex_decl_t* _decl);

/**/
BGFX_C_API void bgfx_vertex_pack(const float _input[4], bool _inputNormalized, bgfx_attrib_t _attr, const bgfx_vertex_decl_t* _decl, void* _data, uint32_t _index);

/**/
BGFX_C_API void bgfx_vertex_unpack(float _output[4], bgfx_attrib_t _attr, const bgfx_vertex_decl_t* _decl, const void* _data, uint32_t _index);

/**/
BGFX_C_API void bgfx_vertex_convert(const bgfx_vertex_decl_t* _destDecl, void* _destData, const bgfx_vertex_decl_t* _srcDecl, const void* _srcData, uint32_t _num);

/**/
BGFX_C_API uint16_t bgfx_weld_vertices(uint16_t* _output, const bgfx_vertex_decl_t* _decl, const void* _data, uint16_t _num, float _epsilon);

/**/
BGFX_C_API void bgfx_image_swizzle_bgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);

/**/
BGFX_C_API void bgfx_image_rgba8_downsample_2x2(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);

/**/
BGFX_C_API uint8_t bgfx_get_supported_renderers(bgfx_renderer_type_t _enum[BGFX_RENDERER_TYPE_COUNT]);

/**/
BGFX_C_API const char* bgfx_get_renderer_name(bgfx_renderer_type_t _type);

/**/
BGFX_C_API void bgfx_init(bgfx_renderer_type_t _type, uint16_t _vendorId, uint16_t _deviceId, bgfx_callback_interface_t* _callback, bgfx_reallocator_interface_t* _allocator);

/**/
BGFX_C_API void bgfx_shutdown();

/**/
BGFX_C_API void bgfx_reset(uint32_t _width, uint32_t _height, uint32_t _flags);

/**/
BGFX_C_API uint32_t bgfx_frame();

/**/
BGFX_C_API bgfx_renderer_type_t bgfx_get_renderer_type();

/**/
BGFX_C_API const bgfx_caps_t* bgfx_get_caps();

/**/
BGFX_C_API const bgfx_hmd_t* bgfx_get_hmd();

/**/
BGFX_C_API const bgfx_memory_t* bgfx_alloc(uint32_t _size);

/**/
BGFX_C_API const bgfx_memory_t* bgfx_copy(const void* _data, uint32_t _size);

/**/
BGFX_C_API const bgfx_memory_t* bgfx_make_ref(const void* _data, uint32_t _size);

/**/
BGFX_C_API const bgfx_memory_t* bgfx_make_ref_release(const void* _data, uint32_t _size, bgfx_release_fn_t _releaseFn, void* _userData);

/**/
BGFX_C_API void bgfx_set_debug(uint32_t _debug);

/**/
BGFX_C_API void bgfx_dbg_text_clear(uint8_t _attr, bool _small);

/**/
BGFX_C_API void bgfx_dbg_text_printf(uint16_t _x, uint16_t _y, uint8_t _attr, const char* _format, ...);

/**/
BGFX_C_API void bgfx_dbg_text_image(uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const void* _data, uint16_t _pitch);

/**/
BGFX_C_API bgfx_index_buffer_handle_t bgfx_create_index_buffer(const bgfx_memory_t* _mem, uint16_t _flags);

/**/
BGFX_C_API void bgfx_destroy_index_buffer(bgfx_index_buffer_handle_t _handle);

/**/
BGFX_C_API bgfx_vertex_buffer_handle_t bgfx_create_vertex_buffer(const bgfx_memory_t* _mem, const bgfx_vertex_decl_t* _decl, uint16_t _flags);

/**/
BGFX_C_API void bgfx_destroy_vertex_buffer(bgfx_vertex_buffer_handle_t _handle);

/**/
BGFX_C_API bgfx_dynamic_index_buffer_handle_t bgfx_create_dynamic_index_buffer(uint32_t _num, uint16_t _flags);

/**/
BGFX_C_API bgfx_dynamic_index_buffer_handle_t bgfx_create_dynamic_index_buffer_mem(const bgfx_memory_t* _mem, uint16_t _flags);

/**/
BGFX_C_API void bgfx_update_dynamic_index_buffer(bgfx_dynamic_index_buffer_handle_t _handle, const bgfx_memory_t* _mem);

/**/
BGFX_C_API void bgfx_destroy_dynamic_index_buffer(bgfx_dynamic_index_buffer_handle_t _handle);

/**/
BGFX_C_API bgfx_dynamic_vertex_buffer_handle_t bgfx_create_dynamic_vertex_buffer(uint32_t _num, const bgfx_vertex_decl_t* _decl, uint16_t _flags);

/**/
BGFX_C_API bgfx_dynamic_vertex_buffer_handle_t bgfx_create_dynamic_vertex_buffer_mem(const bgfx_memory_t* _mem, const bgfx_vertex_decl_t* _decl, uint16_t _flags);

/**/
BGFX_C_API void bgfx_update_dynamic_vertex_buffer(bgfx_dynamic_vertex_buffer_handle_t _handle, const bgfx_memory_t* _mem);

/**/
BGFX_C_API void bgfx_destroy_dynamic_vertex_buffer(bgfx_dynamic_vertex_buffer_handle_t _handle);

/**/
BGFX_C_API bool bgfx_check_avail_transient_index_buffer(uint32_t _num);

/**/
BGFX_C_API bool bgfx_check_avail_transient_vertex_buffer(uint32_t _num, const bgfx_vertex_decl_t* _decl);

/**/
BGFX_C_API bool bgfx_check_avail_instance_data_buffer(uint32_t _num, uint16_t _stride);

/**/
BGFX_C_API bool bgfx_check_avail_transient_buffers(uint32_t _numVertices, const bgfx_vertex_decl_t* _decl, uint32_t _numIndices);

/**/
BGFX_C_API void bgfx_alloc_transient_index_buffer(bgfx_transient_index_buffer_t* _tib, uint32_t _num);

/**/
BGFX_C_API void bgfx_alloc_transient_vertex_buffer(bgfx_transient_vertex_buffer_t* _tvb, uint32_t _num, const bgfx_vertex_decl_t* _decl);

/**/
BGFX_C_API bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_decl_t* _decl, uint32_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint32_t _numIndices);

/**/
BGFX_C_API const bgfx_instance_data_buffer_t* bgfx_alloc_instance_data_buffer(uint32_t _num, uint16_t _stride);

/**/
BGFX_C_API bgfx_indirect_buffer_handle_t bgfx_create_indirect_buffer(uint32_t _num);

/**/
BGFX_C_API void bgfx_destroy_indirect_buffer(bgfx_indirect_buffer_handle_t _handle);

/**/
BGFX_C_API bgfx_shader_handle_t bgfx_create_shader(const bgfx_memory_t* _mem);

/**/
BGFX_C_API uint16_t bgfx_get_shader_uniforms(bgfx_shader_handle_t _handle, bgfx_uniform_handle_t* _uniforms, uint16_t _max);

/**/
BGFX_C_API void bgfx_destroy_shader(bgfx_shader_handle_t _handle);

/**/
BGFX_C_API bgfx_program_handle_t bgfx_create_program(bgfx_shader_handle_t _vsh, bgfx_shader_handle_t _fsh, bool _destroyShaders);

/**/
BGFX_C_API void bgfx_destroy_program(bgfx_program_handle_t _handle);

/**/
BGFX_C_API void bgfx_calc_texture_size(bgfx_texture_info_t* _info, uint16_t _width, uint16_t _height, uint16_t _depth, bool _cubeMap, uint8_t _numMips, bgfx_texture_format_t _format);

/**/
BGFX_C_API bgfx_texture_handle_t bgfx_create_texture(const bgfx_memory_t* _mem, uint32_t _flags, uint8_t _skip, bgfx_texture_info_t* _info);

/**/
BGFX_C_API bgfx_texture_handle_t bgfx_create_texture_2d(uint16_t _width, uint16_t _height, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags, const bgfx_memory_t* _mem);

/**/
BGFX_C_API bgfx_texture_handle_t bgfx_create_texture_2d_scaled(bgfx_backbuffer_ratio_t _ratio, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags);

/**/
BGFX_C_API bgfx_texture_handle_t bgfx_create_texture_3d(uint16_t _width, uint16_t _height, uint16_t _depth, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags, const bgfx_memory_t* _mem);

/**/
BGFX_C_API bgfx_texture_handle_t bgfx_create_texture_cube(uint16_t _size, uint8_t _numMips, bgfx_texture_format_t _format, uint32_t _flags, const bgfx_memory_t* _mem);

/**/
BGFX_C_API void bgfx_update_texture_2d(bgfx_texture_handle_t _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const bgfx_memory_t* _mem, uint16_t _pitch);

/**/
BGFX_C_API void bgfx_update_texture_3d(bgfx_texture_handle_t _handle, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _z, uint16_t _width, uint16_t _height, uint16_t _depth, const bgfx_memory_t* _mem);

/**/
BGFX_C_API void bgfx_update_texture_cube(bgfx_texture_handle_t _handle, uint8_t _side, uint8_t _mip, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height, const bgfx_memory_t* _mem, uint16_t _pitch);

/**/
BGFX_C_API void bgfx_destroy_texture(bgfx_texture_handle_t _handle);

/**/
BGFX_C_API bgfx_frame_buffer_handle_t bgfx_create_frame_buffer(uint16_t _width, uint16_t _height, bgfx_texture_format_t _format, uint32_t _textureFlags);

/**/
BGFX_C_API bgfx_frame_buffer_handle_t bgfx_create_frame_buffer_scaled(bgfx_backbuffer_ratio_t _ratio, bgfx_texture_format_t _format, uint32_t _textureFlags);

/**/
BGFX_C_API bgfx_frame_buffer_handle_t bgfx_create_frame_buffer_from_handles(uint8_t _num, bgfx_texture_handle_t* _handles, bool _destroyTextures);

/**/
BGFX_C_API bgfx_frame_buffer_handle_t bgfx_create_frame_buffer_from_nwh(void* _nwh, uint16_t _width, uint16_t _height, bgfx_texture_format_t _depthFormat);

/**/
BGFX_C_API void bgfx_destroy_frame_buffer(bgfx_frame_buffer_handle_t _handle);

/**/
BGFX_C_API bgfx_uniform_handle_t bgfx_create_uniform(const char* _name, bgfx_uniform_type_t _type, uint16_t _num);

/**/
BGFX_C_API void bgfx_destroy_uniform(bgfx_uniform_handle_t _handle);

/**/
BGFX_C_API void bgfx_set_clear_color(uint8_t _index, const float _rgba[4]);

/**/
BGFX_C_API void bgfx_set_view_name(uint8_t _id, const char* _name);

/**/
BGFX_C_API void bgfx_set_view_rect(uint8_t _id, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height);

/**/
BGFX_C_API void bgfx_set_view_scissor(uint8_t _id, uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height);

/**/
BGFX_C_API void bgfx_set_view_clear(uint8_t _id, uint16_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil);

/**/
BGFX_C_API void bgfx_set_view_clear_mrt(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7);

/**/
BGFX_C_API void bgfx_set_view_seq(uint8_t _id, bool _enabled);

/**/
BGFX_C_API void bgfx_set_view_frame_buffer(uint8_t _id, bgfx_frame_buffer_handle_t _handle);

/**/
BGFX_C_API void bgfx_set_view_transform(uint8_t _id, const void* _view, const void* _proj);

/**/
BGFX_C_API void bgfx_set_view_transform_stereo(uint8_t _id, const void* _view, const void* _projL, uint8_t _flags, const void* _projR);

/**/
BGFX_C_API void bgfx_set_marker(const char* _marker);

/**/
BGFX_C_API void bgfx_set_state(uint64_t _state, uint32_t _rgba);

/**/
BGFX_C_API void bgfx_set_stencil(uint32_t _fstencil, uint32_t _bstencil);

/**/
BGFX_C_API uint16_t bgfx_set_scissor(uint16_t _x, uint16_t _y, uint16_t _width, uint16_t _height);

/**/
BGFX_C_API void bgfx_set_scissor_cached(uint16_t _cache);

/**/
BGFX_C_API uint32_t bgfx_set_transform(const void* _mtx, uint16_t _num);

/**/
BGFX_C_API uint32_t bgfx_alloc_transform(bgfx_transform_t* _transform, uint16_t _num);

/**/
BGFX_C_API void bgfx_set_transform_cached(uint32_t _cache, uint16_t _num);

/**/
BGFX_C_API void bgfx_set_uniform(bgfx_uniform_handle_t _handle, const void* _value, uint16_t _num);

/**/
BGFX_C_API void bgfx_set_index_buffer(bgfx_index_buffer_handle_t _handle, uint32_t _firstIndex, uint32_t _numIndices);

/**/
BGFX_C_API void bgfx_set_dynamic_index_buffer(bgfx_dynamic_index_buffer_handle_t _handle, uint32_t _firstIndex, uint32_t _numIndices);

/**/
BGFX_C_API void bgfx_set_transient_index_buffer(const bgfx_transient_index_buffer_t* _tib, uint32_t _firstIndex, uint32_t _numIndices);

/**/
BGFX_C_API void bgfx_set_vertex_buffer(bgfx_vertex_buffer_handle_t _handle, uint32_t _startVertex, uint32_t _numVertices);

/**/
BGFX_C_API void bgfx_set_dynamic_vertex_buffer(bgfx_dynamic_vertex_buffer_handle_t _handle, uint32_t _numVertices);

/**/
BGFX_C_API void bgfx_set_transient_vertex_buffer(const bgfx_transient_vertex_buffer_t* _tvb, uint32_t _startVertex, uint32_t _numVertices);

/**/
BGFX_C_API void bgfx_set_instance_data_buffer(const bgfx_instance_data_buffer_t* _idb, uint32_t _num);

/**/
BGFX_C_API void bgfx_set_program(bgfx_program_handle_t _handle);

/**/
BGFX_C_API void bgfx_set_texture(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_texture_handle_t _handle, uint32_t _flags);

/**/
BGFX_C_API void bgfx_set_texture_from_frame_buffer(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_frame_buffer_handle_t _handle, uint8_t _attachment, uint32_t _flags);

/**/
BGFX_C_API uint32_t bgfx_submit(uint8_t _id, int32_t _depth);

/**/
BGFX_C_API uint32_t bgfx_submit_indirect(uint8_t _id, bgfx_indirect_buffer_handle_t _indirectHandle, uint16_t _start, uint16_t _num, int32_t _depth);

/**/
BGFX_C_API void bgfx_set_image(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_texture_handle_t _handle, uint8_t _mip, bgfx_access_t _access, bgfx_texture_format_t _format);

/**/
BGFX_C_API void bgfx_set_image_from_frame_buffer(uint8_t _stage, bgfx_uniform_handle_t _sampler, bgfx_frame_buffer_handle_t _handle, uint8_t _attachment, bgfx_access_t _access, bgfx_texture_format_t _format);

/**/
BGFX_C_API uint32_t bgfx_dispatch(uint8_t _id, bgfx_program_handle_t _handle, uint16_t _numX, uint16_t _numY, uint16_t _numZ, uint8_t _flags);

/**/
BGFX_C_API uint32_t bgfx_dispatch_indirect(uint8_t _id, bgfx_program_handle_t _handle, bgfx_indirect_buffer_handle_t _indirectHandle, uint16_t _start, uint16_t _num, uint8_t _flags);

/**/
BGFX_C_API void bgfx_discard();

/**/
BGFX_C_API void bgfx_save_screen_shot(const char* _filePath);

#endif // BGFX_C99_H_HEADER_GUARD