/*
* Copyright (C) 2011-2013 Gregory hainaut
* Copyright (C) 2007-2009 Gabest
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#ifndef ENABLE_GLES
// FIX compilation issue with Mesa 10
// Note it might be possible to do better with the right include
// in the rigth order but I don't have time
#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef APIENTRYP
#define APIENTRYP APIENTRY *
#endif
// Allow compilation with older mesa
#ifndef GL_ARB_copy_image
#define GL_ARB_copy_image 1
#ifdef GL_GLEXT_PROTOTYPES
GLAPI void APIENTRY glCopyImageSubData (GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth);
#endif /* GL_GLEXT_PROTOTYPES */
typedef void (APIENTRYP PFNGLCOPYIMAGESUBDATAPROC) (GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth);
#endif
#ifndef GL_VERSION_4_4
#define GL_VERSION_4_4 1
#define GL_MAX_VERTEX_ATTRIB_STRIDE 0x82E5
#define GL_MAP_PERSISTENT_BIT 0x0040
#define GL_MAP_COHERENT_BIT 0x0080
#define GL_DYNAMIC_STORAGE_BIT 0x0100
#define GL_CLIENT_STORAGE_BIT 0x0200
#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT 0x00004000
#define GL_BUFFER_IMMUTABLE_STORAGE 0x821F
#define GL_BUFFER_STORAGE_FLAGS 0x8220
#define GL_CLEAR_TEXTURE 0x9365
#define GL_LOCATION_COMPONENT 0x934A
#define GL_TRANSFORM_FEEDBACK_BUFFER_INDEX 0x934B
#define GL_TRANSFORM_FEEDBACK_BUFFER_STRIDE 0x934C
#define GL_QUERY_BUFFER 0x9192
#define GL_QUERY_BUFFER_BARRIER_BIT 0x00008000
#define GL_QUERY_BUFFER_BINDING 0x9193
#define GL_QUERY_RESULT_NO_WAIT 0x9194
#define GL_MIRROR_CLAMP_TO_EDGE 0x8743
typedef void (APIENTRYP PFNGLBUFFERSTORAGEPROC) (GLenum target, GLsizeiptr size, const void *data, GLbitfield flags);
typedef void (APIENTRYP PFNGLCLEARTEXIMAGEPROC) (GLuint texture, GLint level, GLenum format, GLenum type, const void *data);
typedef void (APIENTRYP PFNGLCLEARTEXSUBIMAGEPROC) (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data);
typedef void (APIENTRYP PFNGLBINDBUFFERSBASEPROC) (GLenum target, GLuint first, GLsizei count, const GLuint *buffers);
typedef void (APIENTRYP PFNGLBINDBUFFERSRANGEPROC) (GLenum target, GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizeiptr *sizes);
typedef void (APIENTRYP PFNGLBINDTEXTURESPROC) (GLuint first, GLsizei count, const GLuint *textures);
typedef void (APIENTRYP PFNGLBINDSAMPLERSPROC) (GLuint first, GLsizei count, const GLuint *samplers);
typedef void (APIENTRYP PFNGLBINDIMAGETEXTURESPROC) (GLuint first, GLsizei count, const GLuint *textures);
typedef void (APIENTRYP PFNGLBINDVERTEXBUFFERSPROC) (GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizei *strides);
#endif /* GL_VERSION_4_4 */
#ifndef GL_ARB_bindless_texture
#define GL_ARB_bindless_texture 1
typedef uint64_t GLuint64EXT;
#define GL_UNSIGNED_INT64_ARB 0x140F
typedef GLuint64 (APIENTRYP PFNGLGETTEXTUREHANDLEARBPROC) (GLuint texture);
typedef GLuint64 (APIENTRYP PFNGLGETTEXTURESAMPLERHANDLEARBPROC) (GLuint texture, GLuint sampler);
typedef void (APIENTRYP PFNGLMAKETEXTUREHANDLERESIDENTARBPROC) (GLuint64 handle);
typedef void (APIENTRYP PFNGLMAKETEXTUREHANDLENONRESIDENTARBPROC) (GLuint64 handle);
typedef GLuint64 (APIENTRYP PFNGLGETIMAGEHANDLEARBPROC) (GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum format);
typedef void (APIENTRYP PFNGLMAKEIMAGEHANDLERESIDENTARBPROC) (GLuint64 handle, GLenum access);
typedef void (APIENTRYP PFNGLMAKEIMAGEHANDLENONRESIDENTARBPROC) (GLuint64 handle);
typedef void (APIENTRYP PFNGLUNIFORMHANDLEUI64ARBPROC) (GLint location, GLuint64 value);
typedef void (APIENTRYP PFNGLUNIFORMHANDLEUI64VARBPROC) (GLint location, GLsizei count, const GLuint64 *value);
typedef void (APIENTRYP PFNGLPROGRAMUNIFORMHANDLEUI64ARBPROC) (GLuint program, GLint location, GLuint64 value);
typedef void (APIENTRYP PFNGLPROGRAMUNIFORMHANDLEUI64VARBPROC) (GLuint program, GLint location, GLsizei count, const GLuint64 *values);
typedef GLboolean (APIENTRYP PFNGLISTEXTUREHANDLERESIDENTARBPROC) (GLuint64 handle);
typedef GLboolean (APIENTRYP PFNGLISIMAGEHANDLERESIDENTARBPROC) (GLuint64 handle);
typedef void (APIENTRYP PFNGLVERTEXATTRIBL1UI64ARBPROC) (GLuint index, GLuint64EXT x);
typedef void (APIENTRYP PFNGLVERTEXATTRIBL1UI64VARBPROC) (GLuint index, const GLuint64EXT *v);
typedef void (APIENTRYP PFNGLGETVERTEXATTRIBLUI64VARBPROC) (GLuint index, GLenum pname, GLuint64EXT *params);
#endif /* GL_ARB_bindless_texture */
#endif
#ifndef ENABLE_GLES
extern PFNGLACTIVETEXTUREPROC gl_ActiveTexture;
extern PFNGLBLENDCOLORPROC gl_BlendColor;
extern PFNGLATTACHSHADERPROC gl_AttachShader;
extern PFNGLBINDBUFFERPROC gl_BindBuffer;
extern PFNGLBINDBUFFERBASEPROC gl_BindBufferBase;
extern PFNGLBINDFRAMEBUFFERPROC gl_BindFramebuffer;
extern PFNGLBINDSAMPLERPROC gl_BindSampler;
extern PFNGLBINDVERTEXARRAYPROC gl_BindVertexArray;
extern PFNGLBLENDEQUATIONSEPARATEIARBPROC gl_BlendEquationSeparateiARB;
extern PFNGLBLENDFUNCSEPARATEIARBPROC gl_BlendFuncSeparateiARB;
extern PFNGLBLITFRAMEBUFFERPROC gl_BlitFramebuffer;
extern PFNGLBUFFERDATAPROC gl_BufferData;
extern PFNGLCHECKFRAMEBUFFERSTATUSPROC gl_CheckFramebufferStatus;
extern PFNGLCLEARBUFFERFVPROC gl_ClearBufferfv;
extern PFNGLCLEARBUFFERIVPROC gl_ClearBufferiv;
extern PFNGLCLEARBUFFERUIVPROC gl_ClearBufferuiv;
extern PFNGLCOMPILESHADERPROC gl_CompileShader;
extern PFNGLCOLORMASKIPROC gl_ColorMaski;
extern PFNGLCREATEPROGRAMPROC gl_CreateProgram;
extern PFNGLCREATESHADERPROC gl_CreateShader;
extern PFNGLCREATESHADERPROGRAMVPROC gl_CreateShaderProgramv;
extern PFNGLDELETEBUFFERSPROC gl_DeleteBuffers;
extern PFNGLDELETEFRAMEBUFFERSPROC gl_DeleteFramebuffers;
extern PFNGLDELETEPROGRAMPROC gl_DeleteProgram;
extern PFNGLDELETESAMPLERSPROC gl_DeleteSamplers;
extern PFNGLDELETESHADERPROC gl_DeleteShader;
extern PFNGLDELETEVERTEXARRAYSPROC gl_DeleteVertexArrays;
extern PFNGLDETACHSHADERPROC gl_DetachShader;
extern PFNGLDRAWBUFFERSPROC gl_DrawBuffers;
extern PFNGLDRAWELEMENTSBASEVERTEXPROC gl_DrawElementsBaseVertex;
extern PFNGLENABLEVERTEXATTRIBARRAYPROC gl_EnableVertexAttribArray;
extern PFNGLFRAMEBUFFERRENDERBUFFERPROC gl_FramebufferRenderbuffer;
extern PFNGLFRAMEBUFFERTEXTURE2DPROC gl_FramebufferTexture2D;
extern PFNGLGENBUFFERSPROC gl_GenBuffers;
extern PFNGLGENFRAMEBUFFERSPROC gl_GenFramebuffers;
extern PFNGLGENSAMPLERSPROC gl_GenSamplers;
extern PFNGLGENVERTEXARRAYSPROC gl_GenVertexArrays;
extern PFNGLGETBUFFERPARAMETERIVPROC gl_GetBufferParameteriv;
extern PFNGLGETDEBUGMESSAGELOGARBPROC gl_GetDebugMessageLogARB;
extern PFNGLGETPROGRAMINFOLOGPROC gl_GetProgramInfoLog;
extern PFNGLGETPROGRAMIVPROC gl_GetProgramiv;
extern PFNGLGETSHADERIVPROC gl_GetShaderiv;
extern PFNGLGETSTRINGIPROC gl_GetStringi;
extern PFNGLISFRAMEBUFFERPROC gl_IsFramebuffer;
extern PFNGLLINKPROGRAMPROC gl_LinkProgram;
extern PFNGLMAPBUFFERPROC gl_MapBuffer;
extern PFNGLMAPBUFFERRANGEPROC gl_MapBufferRange;
extern PFNGLPROGRAMPARAMETERIPROC gl_ProgramParameteri;
extern PFNGLSAMPLERPARAMETERFPROC gl_SamplerParameterf;
extern PFNGLSAMPLERPARAMETERIPROC gl_SamplerParameteri;
extern PFNGLSHADERSOURCEPROC gl_ShaderSource;
extern PFNGLUNIFORM1IPROC gl_Uniform1i;
extern PFNGLUNMAPBUFFERPROC gl_UnmapBuffer;
extern PFNGLUSEPROGRAMSTAGESPROC gl_UseProgramStages;
extern PFNGLVERTEXATTRIBIPOINTERPROC gl_VertexAttribIPointer;
extern PFNGLVERTEXATTRIBPOINTERPROC gl_VertexAttribPointer;
extern PFNGLBUFFERSUBDATAPROC gl_BufferSubData;
extern PFNGLFENCESYNCPROC gl_FenceSync;
extern PFNGLDELETESYNCPROC gl_DeleteSync;
extern PFNGLCLIENTWAITSYNCPROC gl_ClientWaitSync;
extern PFNGLFLUSHMAPPEDBUFFERRANGEPROC gl_FlushMappedBufferRange;
// GL4.0
extern PFNGLUNIFORMSUBROUTINESUIVPROC gl_UniformSubroutinesuiv;
// GL4.1
extern PFNGLBINDPROGRAMPIPELINEPROC gl_BindProgramPipeline;
extern PFNGLDELETEPROGRAMPIPELINESPROC gl_DeleteProgramPipelines;
extern PFNGLGENPROGRAMPIPELINESPROC gl_GenProgramPipelines;
extern PFNGLGETPROGRAMPIPELINEIVPROC gl_GetProgramPipelineiv;
extern PFNGLVALIDATEPROGRAMPIPELINEPROC gl_ValidateProgramPipeline;
extern PFNGLGETPROGRAMPIPELINEINFOLOGPROC gl_GetProgramPipelineInfoLog;
// NO GL4.1
extern PFNGLUSEPROGRAMPROC gl_UseProgram;
extern PFNGLGETSHADERINFOLOGPROC gl_GetShaderInfoLog;
extern PFNGLPROGRAMUNIFORM1IPROC gl_ProgramUniform1i;
// NO GL4.2
extern PFNGLGETUNIFORMBLOCKINDEXPROC gl_GetUniformBlockIndex;
extern PFNGLUNIFORMBLOCKBINDINGPROC gl_UniformBlockBinding;
extern PFNGLGETUNIFORMLOCATIONPROC gl_GetUniformLocation;
// GL4.2
extern PFNGLBINDIMAGETEXTUREPROC gl_BindImageTexture;
extern PFNGLMEMORYBARRIERPROC gl_MemoryBarrier;
extern PFNGLTEXSTORAGE2DPROC gl_TexStorage2D;
// GL4.3
extern PFNGLCOPYIMAGESUBDATAPROC gl_CopyImageSubData;
// GL4.4
extern PFNGLCLEARTEXIMAGEPROC gl_ClearTexImage;
extern PFNGLBINDTEXTURESPROC gl_BindTextures;
extern PFNGLBUFFERSTORAGEPROC gl_BufferStorage;
// GL_ARB_bindless_texture (GL5?)
extern PFNGLGETTEXTURESAMPLERHANDLEARBPROC gl_GetTextureSamplerHandleARB;
extern PFNGLMAKETEXTUREHANDLERESIDENTARBPROC gl_MakeTextureHandleResidentARB;
extern PFNGLMAKETEXTUREHANDLENONRESIDENTARBPROC gl_MakeTextureHandleNonResidentARB;
extern PFNGLUNIFORMHANDLEUI64VARBPROC gl_UniformHandleui64vARB;
extern PFNGLPROGRAMUNIFORMHANDLEUI64VARBPROC gl_ProgramUniformHandleui64vARB;
extern PFNGLDEPTHRANGEDNVPROC gl_DepthRangedNV;
#else
#define gl_ActiveTexture glActiveTexture
#define gl_BlendColor glBlendColor
#define gl_AttachShader glAttachShader
#define gl_BindBuffer glBindBuffer
#define gl_BindBufferBase glBindBufferBase
#define gl_BindFramebuffer glBindFramebuffer
#define gl_BindSampler glBindSampler
#define gl_BindVertexArray glBindVertexArray
#define gl_BlendEquationSeparate glBlendEquationSeparate
#define gl_BlendFuncSeparate glBlendFuncSeparate
#define gl_BlitFramebuffer glBlitFramebuffer
#define gl_BufferData glBufferData
#define gl_CheckFramebufferStatus glCheckFramebufferStatus
#define gl_ClearBufferfv glClearBufferfv
#define gl_ClearBufferiv glClearBufferiv
#define gl_ClearBufferuiv glClearBufferuiv
#define gl_CompileShader glCompileShader
#define gl_ColorMask glColorMask
#define gl_CreateProgram glCreateProgram
#define gl_CreateShader glCreateShader
#define gl_CreateShaderProgramv glCreateShaderProgramv
#define gl_DeleteBuffers glDeleteBuffers
#define gl_DeleteFramebuffers glDeleteFramebuffers
#define gl_DeleteProgram glDeleteProgram
#define gl_DeleteSamplers glDeleteSamplers
#define gl_DeleteShader glDeleteShader
#define gl_DeleteVertexArrays glDeleteVertexArrays
#define gl_DetachShader glDetachShader
#define gl_DrawBuffers glDrawBuffers
#define gl_DrawElementsBaseVertex glDrawElementsBaseVertex
#define gl_EnableVertexAttribArray glEnableVertexAttribArray
#define gl_FramebufferRenderbuffer glFramebufferRenderbuffer
#define gl_FramebufferTexture2D glFramebufferTexture2D
#define gl_GenBuffers glGenBuffers
#define gl_GenFramebuffers glGenFramebuffers
#define gl_GenSamplers glGenSamplers
#define gl_GenVertexArrays glGenVertexArrays
#define gl_GetBufferParameteriv glGetBufferParameteriv
#define gl_GetDebugMessageLogARB glGetDebugMessageLogARB
#define gl_GetProgramInfoLog glGetProgramInfoLog
#define gl_GetProgramiv glGetProgramiv
#define gl_GetShaderiv glGetShaderiv
#define gl_GetStringi glGetStringi
#define gl_IsFramebuffer glIsFramebuffer
#define gl_LinkProgram glLinkProgram
#define gl_MapBuffer glMapBuffer
#define gl_MapBufferRange glMapBufferRange
#define gl_ProgramParameteri glProgramParameteri
#define gl_SamplerParameterf glSamplerParameterf
#define gl_SamplerParameteri glSamplerParameteri
#define gl_ShaderSource glShaderSource
#define gl_Uniform1i glUniform1i
#define gl_UnmapBuffer glUnmapBuffer
#define gl_UseProgramStages glUseProgramStages
#define gl_VertexAttribIPointer glVertexAttribIPointer
#define gl_VertexAttribPointer glVertexAttribPointer
#define gl_TexStorage2D glTexStorage2D
#define gl_BufferSubData glBufferSubData
#define gl_BindProgramPipeline glBindProgramPipeline
#define gl_DeleteProgramPipelines glDeleteProgramPipelines
#define gl_GenProgramPipelines glGenProgramPipelines
#define gl_GetProgramPipelineiv glGetProgramPipelineiv
#define gl_ValidateProgramPipeline glValidateProgramPipeline
#define gl_GetProgramPipelineInfoLog glGetProgramPipelineInfoLog
#define gl_UseProgram glUseProgram
#define gl_GetShaderInfoLog glGetShaderInfoLog
#define gl_ProgramUniform1i glProgramUniform1i
#define gl_GetUniformBlockIndex glGetUniformBlockIndex
#define gl_UniformBlockBinding glUniformBlockBinding
#define gl_GetUniformLocation glGetUniformLocation
#endif
namespace GLLoader {
bool check_gl_version(uint32 major, uint32 minor);
void init_gl_function();
bool check_gl_supported_extension();
extern bool fglrx_buggy_driver;
extern bool mesa_amd_buggy_driver;
extern bool nvidia_buggy_driver;
extern bool intel_buggy_driver;
extern bool in_replayer;
extern bool found_GL_ARB_separate_shader_objects;
extern bool found_GL_ARB_shading_language_420pack;
extern bool found_GL_ARB_copy_image;
extern bool found_geometry_shader;
extern bool found_only_gl30;
extern bool found_GL_ARB_gpu_shader5;
extern bool found_GL_ARB_shader_image_load_store;
extern bool found_GL_ARB_clear_texture;
extern bool found_GL_ARB_multi_bind;
extern bool found_GL_ARB_buffer_storage;
extern bool found_GL_ARB_shader_subroutine;
extern bool found_GL_ARB_bindless_texture;
extern bool found_GL_ARB_explicit_uniform_location;
extern bool found_GL_NV_depth_buffer_float;
}