GraphicsWindows.cpp

#include "precomp.h"
#include "GraphicsWindows.h"

#ifdef PLATFORM_WINDOWS
// Disable warnings from external code
#pragma warning(push, 0)

#endif // PLATFORM_WINDOWS

#define GLFW_USE_CHDIR 0
#define GLFW_EXPOSE_NATIVE_WIN32
#define GLFW_EXPOSE_NATIVE_WGL

#include <GLFW/glfw3.h>
#include <GLFW/glfw3native.h>

#include "imgui_impl_glfw.h"

#ifdef PLATFORM_WINDOWS
#pragma warning(pop)
#endif // PLATFORM_WINDOWS

void ErrorCallback(int error, const char* description)
{
	if (error != 0)
	{
		std::cerr << description << std::endl;
	}
	LOGERROR("GLFW Error: " << error << ": " << description);
}

#pragma region
struct gladGLversionStruct GLVersion = { 0, 0 };

static int max_loaded_major;
static int max_loaded_minor;

int GLAD_GL_VERSION_1_0 = 0;
int GLAD_GL_VERSION_1_1 = 0;
int GLAD_GL_VERSION_1_2 = 0;
int GLAD_GL_VERSION_1_3 = 0;
int GLAD_GL_VERSION_1_4 = 0;
int GLAD_GL_VERSION_1_5 = 0;
int GLAD_GL_VERSION_2_0 = 0;
int GLAD_GL_VERSION_2_1 = 0;
int GLAD_GL_VERSION_3_0 = 0;
int GLAD_GL_VERSION_3_1 = 0;
int GLAD_GL_VERSION_3_2 = 0;
int GLAD_GL_VERSION_3_3 = 0;
PFNGLACTIVETEXTUREPROC glad_glActiveTexture = NULL;
PFNGLATTACHSHADERPROC glad_glAttachShader = NULL;
PFNGLBEGINCONDITIONALRENDERPROC glad_glBeginConditionalRender = NULL;
PFNGLBEGINQUERYPROC glad_glBeginQuery = NULL;
PFNGLBEGINTRANSFORMFEEDBACKPROC glad_glBeginTransformFeedback = NULL;
PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation = NULL;
PFNGLBINDBUFFERPROC glad_glBindBuffer = NULL;
PFNGLBINDBUFFERBASEPROC glad_glBindBufferBase = NULL;
PFNGLBINDBUFFERRANGEPROC glad_glBindBufferRange = NULL;
PFNGLBINDFRAGDATALOCATIONPROC glad_glBindFragDataLocation = NULL;
PFNGLBINDFRAGDATALOCATIONINDEXEDPROC glad_glBindFragDataLocationIndexed = NULL;
PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer = NULL;
PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer = NULL;
PFNGLBINDSAMPLERPROC glad_glBindSampler = NULL;
PFNGLBINDTEXTUREPROC glad_glBindTexture = NULL;
PFNGLBINDVERTEXARRAYPROC glad_glBindVertexArray = NULL;
PFNGLBLENDCOLORPROC glad_glBlendColor = NULL;
PFNGLBLENDEQUATIONPROC glad_glBlendEquation = NULL;
PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate = NULL;
PFNGLBLENDFUNCPROC glad_glBlendFunc = NULL;
PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate = NULL;
PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer = NULL;
PFNGLBUFFERDATAPROC glad_glBufferData = NULL;
PFNGLBUFFERSUBDATAPROC glad_glBufferSubData = NULL;
PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus = NULL;
PFNGLCLAMPCOLORPROC glad_glClampColor = NULL;
PFNGLCLEARPROC glad_glClear = NULL;
PFNGLCLEARBUFFERFIPROC glad_glClearBufferfi = NULL;
PFNGLCLEARBUFFERFVPROC glad_glClearBufferfv = NULL;
PFNGLCLEARBUFFERIVPROC glad_glClearBufferiv = NULL;
PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv = NULL;
PFNGLCLEARCOLORPROC glad_glClearColor = NULL;
PFNGLCLEARDEPTHPROC glad_glClearDepth = NULL;
PFNGLCLEARSTENCILPROC glad_glClearStencil = NULL;
PFNGLCLIENTWAITSYNCPROC glad_glClientWaitSync = NULL;
PFNGLCOLORMASKPROC glad_glColorMask = NULL;
PFNGLCOLORMASKIPROC glad_glColorMaski = NULL;
PFNGLCOLORP3UIPROC glad_glColorP3ui = NULL;
PFNGLCOLORP3UIVPROC glad_glColorP3uiv = NULL;
PFNGLCOLORP4UIPROC glad_glColorP4ui = NULL;
PFNGLCOLORP4UIVPROC glad_glColorP4uiv = NULL;
PFNGLCOMPILESHADERPROC glad_glCompileShader = NULL;
PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D = NULL;
PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D = NULL;
PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D = NULL;
PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D = NULL;
PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D = NULL;
PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D = NULL;
PFNGLCOPYBUFFERSUBDATAPROC glad_glCopyBufferSubData = NULL;
PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D = NULL;
PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D = NULL;
PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D = NULL;
PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D = NULL;
PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D = NULL;
PFNGLCREATEPROGRAMPROC glad_glCreateProgram = NULL;
PFNGLCREATESHADERPROC glad_glCreateShader = NULL;
PFNGLCULLFACEPROC glad_glCullFace = NULL;
PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers = NULL;
PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers = NULL;
PFNGLDELETEPROGRAMPROC glad_glDeleteProgram = NULL;
PFNGLDELETEQUERIESPROC glad_glDeleteQueries = NULL;
PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers = NULL;
PFNGLDELETESAMPLERSPROC glad_glDeleteSamplers = NULL;
PFNGLDELETESHADERPROC glad_glDeleteShader = NULL;
PFNGLDELETESYNCPROC glad_glDeleteSync = NULL;
PFNGLDELETETEXTURESPROC glad_glDeleteTextures = NULL;
PFNGLDELETEVERTEXARRAYSPROC glad_glDeleteVertexArrays = NULL;
PFNGLDEPTHFUNCPROC glad_glDepthFunc = NULL;
PFNGLDEPTHMASKPROC glad_glDepthMask = NULL;
PFNGLDEPTHRANGEPROC glad_glDepthRange = NULL;
PFNGLDETACHSHADERPROC glad_glDetachShader = NULL;
PFNGLDISABLEPROC glad_glDisable = NULL;
PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray = NULL;
PFNGLDISABLEIPROC glad_glDisablei = NULL;
PFNGLDRAWARRAYSPROC glad_glDrawArrays = NULL;
PFNGLDRAWARRAYSINSTANCEDPROC glad_glDrawArraysInstanced = NULL;
PFNGLDRAWBUFFERPROC glad_glDrawBuffer = NULL;
PFNGLDRAWBUFFERSPROC glad_glDrawBuffers = NULL;
PFNGLDRAWELEMENTSPROC glad_glDrawElements = NULL;
PFNGLDRAWELEMENTSBASEVERTEXPROC glad_glDrawElementsBaseVertex = NULL;
PFNGLDRAWELEMENTSINSTANCEDPROC glad_glDrawElementsInstanced = NULL;
PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glad_glDrawElementsInstancedBaseVertex = NULL;
PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements = NULL;
PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glad_glDrawRangeElementsBaseVertex = NULL;
PFNGLENABLEPROC glad_glEnable = NULL;
PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray = NULL;
PFNGLENABLEIPROC glad_glEnablei = NULL;
PFNGLENDCONDITIONALRENDERPROC glad_glEndConditionalRender = NULL;
PFNGLENDQUERYPROC glad_glEndQuery = NULL;
PFNGLENDTRANSFORMFEEDBACKPROC glad_glEndTransformFeedback = NULL;
PFNGLFENCESYNCPROC glad_glFenceSync = NULL;
PFNGLFINISHPROC glad_glFinish = NULL;
PFNGLFLUSHPROC glad_glFlush = NULL;
PFNGLFLUSHMAPPEDBUFFERRANGEPROC glad_glFlushMappedBufferRange = NULL;
PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer = NULL;
PFNGLFRAMEBUFFERTEXTUREPROC glad_glFramebufferTexture = NULL;
PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D = NULL;
PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D = NULL;
PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D = NULL;
PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer = NULL;
PFNGLFRONTFACEPROC glad_glFrontFace = NULL;
PFNGLGENBUFFERSPROC glad_glGenBuffers = NULL;
PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers = NULL;
PFNGLGENQUERIESPROC glad_glGenQueries = NULL;
PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers = NULL;
PFNGLGENSAMPLERSPROC glad_glGenSamplers = NULL;
PFNGLGENTEXTURESPROC glad_glGenTextures = NULL;
PFNGLGENVERTEXARRAYSPROC glad_glGenVertexArrays = NULL;
PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap = NULL;
PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib = NULL;
PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform = NULL;
PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glad_glGetActiveUniformBlockName = NULL;
PFNGLGETACTIVEUNIFORMBLOCKIVPROC glad_glGetActiveUniformBlockiv = NULL;
PFNGLGETACTIVEUNIFORMNAMEPROC glad_glGetActiveUniformName = NULL;
PFNGLGETACTIVEUNIFORMSIVPROC glad_glGetActiveUniformsiv = NULL;
PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders = NULL;
PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation = NULL;
PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v = NULL;
PFNGLGETBOOLEANVPROC glad_glGetBooleanv = NULL;
PFNGLGETBUFFERPARAMETERI64VPROC glad_glGetBufferParameteri64v = NULL;
PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv = NULL;
PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv = NULL;
PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData = NULL;
PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage = NULL;
PFNGLGETDOUBLEVPROC glad_glGetDoublev = NULL;
PFNGLGETERRORPROC glad_glGetError = NULL;
PFNGLGETFLOATVPROC glad_glGetFloatv = NULL;
PFNGLGETFRAGDATAINDEXPROC glad_glGetFragDataIndex = NULL;
PFNGLGETFRAGDATALOCATIONPROC glad_glGetFragDataLocation = NULL;
PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv = NULL;
PFNGLGETINTEGER64I_VPROC glad_glGetInteger64i_v = NULL;
PFNGLGETINTEGER64VPROC glad_glGetInteger64v = NULL;
PFNGLGETINTEGERI_VPROC glad_glGetIntegeri_v = NULL;
PFNGLGETINTEGERVPROC glad_glGetIntegerv = NULL;
PFNGLGETMULTISAMPLEFVPROC glad_glGetMultisamplefv = NULL;
PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog = NULL;
PFNGLGETPROGRAMIVPROC glad_glGetProgramiv = NULL;
PFNGLGETQUERYOBJECTI64VPROC glad_glGetQueryObjecti64v = NULL;
PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv = NULL;
PFNGLGETQUERYOBJECTUI64VPROC glad_glGetQueryObjectui64v = NULL;
PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv = NULL;
PFNGLGETQUERYIVPROC glad_glGetQueryiv = NULL;
PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv = NULL;
PFNGLGETSAMPLERPARAMETERIIVPROC glad_glGetSamplerParameterIiv = NULL;
PFNGLGETSAMPLERPARAMETERIUIVPROC glad_glGetSamplerParameterIuiv = NULL;
PFNGLGETSAMPLERPARAMETERFVPROC glad_glGetSamplerParameterfv = NULL;
PFNGLGETSAMPLERPARAMETERIVPROC glad_glGetSamplerParameteriv = NULL;
PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog = NULL;
PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource = NULL;
PFNGLGETSHADERIVPROC glad_glGetShaderiv = NULL;
PFNGLGETSTRINGPROC glad_glGetString = NULL;
PFNGLGETSTRINGIPROC glad_glGetStringi = NULL;
PFNGLGETSYNCIVPROC glad_glGetSynciv = NULL;
PFNGLGETTEXIMAGEPROC glad_glGetTexImage = NULL;
PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv = NULL;
PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv = NULL;
PFNGLGETTEXPARAMETERIIVPROC glad_glGetTexParameterIiv = NULL;
PFNGLGETTEXPARAMETERIUIVPROC glad_glGetTexParameterIuiv = NULL;
PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv = NULL;
PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv = NULL;
PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glad_glGetTransformFeedbackVarying = NULL;
PFNGLGETUNIFORMBLOCKINDEXPROC glad_glGetUniformBlockIndex = NULL;
PFNGLGETUNIFORMINDICESPROC glad_glGetUniformIndices = NULL;
PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation = NULL;
PFNGLGETUNIFORMFVPROC glad_glGetUniformfv = NULL;
PFNGLGETUNIFORMIVPROC glad_glGetUniformiv = NULL;
PFNGLGETUNIFORMUIVPROC glad_glGetUniformuiv = NULL;
PFNGLGETVERTEXATTRIBIIVPROC glad_glGetVertexAttribIiv = NULL;
PFNGLGETVERTEXATTRIBIUIVPROC glad_glGetVertexAttribIuiv = NULL;
PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv = NULL;
PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv = NULL;
PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv = NULL;
PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv = NULL;
PFNGLHINTPROC glad_glHint = NULL;
PFNGLISBUFFERPROC glad_glIsBuffer = NULL;
PFNGLISENABLEDPROC glad_glIsEnabled = NULL;
PFNGLISENABLEDIPROC glad_glIsEnabledi = NULL;
PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer = NULL;
PFNGLISPROGRAMPROC glad_glIsProgram = NULL;
PFNGLISQUERYPROC glad_glIsQuery = NULL;
PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer = NULL;
PFNGLISSAMPLERPROC glad_glIsSampler = NULL;
PFNGLISSHADERPROC glad_glIsShader = NULL;
PFNGLISSYNCPROC glad_glIsSync = NULL;
PFNGLISTEXTUREPROC glad_glIsTexture = NULL;
PFNGLISVERTEXARRAYPROC glad_glIsVertexArray = NULL;
PFNGLLINEWIDTHPROC glad_glLineWidth = NULL;
PFNGLLINKPROGRAMPROC glad_glLinkProgram = NULL;
PFNGLLOGICOPPROC glad_glLogicOp = NULL;
PFNGLMAPBUFFERPROC glad_glMapBuffer = NULL;
PFNGLMAPBUFFERRANGEPROC glad_glMapBufferRange = NULL;
PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays = NULL;
PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements = NULL;
PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glad_glMultiDrawElementsBaseVertex = NULL;
PFNGLMULTITEXCOORDP1UIPROC glad_glMultiTexCoordP1ui = NULL;
PFNGLMULTITEXCOORDP1UIVPROC glad_glMultiTexCoordP1uiv = NULL;
PFNGLMULTITEXCOORDP2UIPROC glad_glMultiTexCoordP2ui = NULL;
PFNGLMULTITEXCOORDP2UIVPROC glad_glMultiTexCoordP2uiv = NULL;
PFNGLMULTITEXCOORDP3UIPROC glad_glMultiTexCoordP3ui = NULL;
PFNGLMULTITEXCOORDP3UIVPROC glad_glMultiTexCoordP3uiv = NULL;
PFNGLMULTITEXCOORDP4UIPROC glad_glMultiTexCoordP4ui = NULL;
PFNGLMULTITEXCOORDP4UIVPROC glad_glMultiTexCoordP4uiv = NULL;
PFNGLNORMALP3UIPROC glad_glNormalP3ui = NULL;
PFNGLNORMALP3UIVPROC glad_glNormalP3uiv = NULL;
PFNGLPIXELSTOREFPROC glad_glPixelStoref = NULL;
PFNGLPIXELSTOREIPROC glad_glPixelStorei = NULL;
PFNGLPOINTPARAMETERFPROC glad_glPointParameterf = NULL;
PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv = NULL;
PFNGLPOINTPARAMETERIPROC glad_glPointParameteri = NULL;
PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv = NULL;
PFNGLPOINTSIZEPROC glad_glPointSize = NULL;
PFNGLPOLYGONMODEPROC glad_glPolygonMode = NULL;
PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset = NULL;
PFNGLPRIMITIVERESTARTINDEXPROC glad_glPrimitiveRestartIndex = NULL;
PFNGLPROVOKINGVERTEXPROC glad_glProvokingVertex = NULL;
PFNGLQUERYCOUNTERPROC glad_glQueryCounter = NULL;
PFNGLREADBUFFERPROC glad_glReadBuffer = NULL;
PFNGLREADPIXELSPROC glad_glReadPixels = NULL;
PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage = NULL;
PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample = NULL;
PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage = NULL;
PFNGLSAMPLEMASKIPROC glad_glSampleMaski = NULL;
PFNGLSAMPLERPARAMETERIIVPROC glad_glSamplerParameterIiv = NULL;
PFNGLSAMPLERPARAMETERIUIVPROC glad_glSamplerParameterIuiv = NULL;
PFNGLSAMPLERPARAMETERFPROC glad_glSamplerParameterf = NULL;
PFNGLSAMPLERPARAMETERFVPROC glad_glSamplerParameterfv = NULL;
PFNGLSAMPLERPARAMETERIPROC glad_glSamplerParameteri = NULL;
PFNGLSAMPLERPARAMETERIVPROC glad_glSamplerParameteriv = NULL;
PFNGLSCISSORPROC glad_glScissor = NULL;
PFNGLSECONDARYCOLORP3UIPROC glad_glSecondaryColorP3ui = NULL;
PFNGLSECONDARYCOLORP3UIVPROC glad_glSecondaryColorP3uiv = NULL;
PFNGLSHADERSOURCEPROC glad_glShaderSource = NULL;
PFNGLSTENCILFUNCPROC glad_glStencilFunc = NULL;
PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate = NULL;
PFNGLSTENCILMASKPROC glad_glStencilMask = NULL;
PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate = NULL;
PFNGLSTENCILOPPROC glad_glStencilOp = NULL;
PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate = NULL;
PFNGLTEXBUFFERPROC glad_glTexBuffer = NULL;
PFNGLTEXCOORDP1UIPROC glad_glTexCoordP1ui = NULL;
PFNGLTEXCOORDP1UIVPROC glad_glTexCoordP1uiv = NULL;
PFNGLTEXCOORDP2UIPROC glad_glTexCoordP2ui = NULL;
PFNGLTEXCOORDP2UIVPROC glad_glTexCoordP2uiv = NULL;
PFNGLTEXCOORDP3UIPROC glad_glTexCoordP3ui = NULL;
PFNGLTEXCOORDP3UIVPROC glad_glTexCoordP3uiv = NULL;
PFNGLTEXCOORDP4UIPROC glad_glTexCoordP4ui = NULL;
PFNGLTEXCOORDP4UIVPROC glad_glTexCoordP4uiv = NULL;
PFNGLTEXIMAGE1DPROC glad_glTexImage1D = NULL;
PFNGLTEXIMAGE2DPROC glad_glTexImage2D = NULL;
PFNGLTEXIMAGE2DMULTISAMPLEPROC glad_glTexImage2DMultisample = NULL;
PFNGLTEXIMAGE3DPROC glad_glTexImage3D = NULL;
PFNGLTEXIMAGE3DMULTISAMPLEPROC glad_glTexImage3DMultisample = NULL;
PFNGLTEXPARAMETERIIVPROC glad_glTexParameterIiv = NULL;
PFNGLTEXPARAMETERIUIVPROC glad_glTexParameterIuiv = NULL;
PFNGLTEXPARAMETERFPROC glad_glTexParameterf = NULL;
PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv = NULL;
PFNGLTEXPARAMETERIPROC glad_glTexParameteri = NULL;
PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv = NULL;
PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D = NULL;
PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D = NULL;
PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D = NULL;
PFNGLTRANSFORMFEEDBACKVARYINGSPROC glad_glTransformFeedbackVaryings = NULL;
PFNGLUNIFORM1FPROC glad_glUniform1f = NULL;
PFNGLUNIFORM1FVPROC glad_glUniform1fv = NULL;
PFNGLUNIFORM1IPROC glad_glUniform1i = NULL;
PFNGLUNIFORM1IVPROC glad_glUniform1iv = NULL;
PFNGLUNIFORM1UIPROC glad_glUniform1ui = NULL;
PFNGLUNIFORM1UIVPROC glad_glUniform1uiv = NULL;
PFNGLUNIFORM2FPROC glad_glUniform2f = NULL;
PFNGLUNIFORM2FVPROC glad_glUniform2fv = NULL;
PFNGLUNIFORM2IPROC glad_glUniform2i = NULL;
PFNGLUNIFORM2IVPROC glad_glUniform2iv = NULL;
PFNGLUNIFORM2UIPROC glad_glUniform2ui = NULL;
PFNGLUNIFORM2UIVPROC glad_glUniform2uiv = NULL;
PFNGLUNIFORM3FPROC glad_glUniform3f = NULL;
PFNGLUNIFORM3FVPROC glad_glUniform3fv = NULL;
PFNGLUNIFORM3IPROC glad_glUniform3i = NULL;
PFNGLUNIFORM3IVPROC glad_glUniform3iv = NULL;
PFNGLUNIFORM3UIPROC glad_glUniform3ui = NULL;
PFNGLUNIFORM3UIVPROC glad_glUniform3uiv = NULL;
PFNGLUNIFORM4FPROC glad_glUniform4f = NULL;
PFNGLUNIFORM4FVPROC glad_glUniform4fv = NULL;
PFNGLUNIFORM4IPROC glad_glUniform4i = NULL;
PFNGLUNIFORM4IVPROC glad_glUniform4iv = NULL;
PFNGLUNIFORM4UIPROC glad_glUniform4ui = NULL;
PFNGLUNIFORM4UIVPROC glad_glUniform4uiv = NULL;
PFNGLUNIFORMBLOCKBINDINGPROC glad_glUniformBlockBinding = NULL;
PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv = NULL;
PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv = NULL;
PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv = NULL;
PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv = NULL;
PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv = NULL;
PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv = NULL;
PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv = NULL;
PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv = NULL;
PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv = NULL;
PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer = NULL;
PFNGLUSEPROGRAMPROC glad_glUseProgram = NULL;
PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram = NULL;
PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d = NULL;
PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv = NULL;
PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f = NULL;
PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv = NULL;
PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s = NULL;
PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv = NULL;
PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d = NULL;
PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv = NULL;
PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f = NULL;
PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv = NULL;
PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s = NULL;
PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv = NULL;
PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d = NULL;
PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv = NULL;
PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f = NULL;
PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv = NULL;
PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s = NULL;
PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv = NULL;
PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv = NULL;
PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv = NULL;
PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv = NULL;
PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub = NULL;
PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv = NULL;
PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv = NULL;
PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv = NULL;
PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv = NULL;
PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d = NULL;
PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv = NULL;
PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f = NULL;
PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv = NULL;
PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv = NULL;
PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s = NULL;
PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv = NULL;
PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv = NULL;
PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv = NULL;
PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv = NULL;
PFNGLVERTEXATTRIBDIVISORPROC glad_glVertexAttribDivisor = NULL;
PFNGLVERTEXATTRIBI1IPROC glad_glVertexAttribI1i = NULL;
PFNGLVERTEXATTRIBI1IVPROC glad_glVertexAttribI1iv = NULL;
PFNGLVERTEXATTRIBI1UIPROC glad_glVertexAttribI1ui = NULL;
PFNGLVERTEXATTRIBI1UIVPROC glad_glVertexAttribI1uiv = NULL;
PFNGLVERTEXATTRIBI2IPROC glad_glVertexAttribI2i = NULL;
PFNGLVERTEXATTRIBI2IVPROC glad_glVertexAttribI2iv = NULL;
PFNGLVERTEXATTRIBI2UIPROC glad_glVertexAttribI2ui = NULL;
PFNGLVERTEXATTRIBI2UIVPROC glad_glVertexAttribI2uiv = NULL;
PFNGLVERTEXATTRIBI3IPROC glad_glVertexAttribI3i = NULL;
PFNGLVERTEXATTRIBI3IVPROC glad_glVertexAttribI3iv = NULL;
PFNGLVERTEXATTRIBI3UIPROC glad_glVertexAttribI3ui = NULL;
PFNGLVERTEXATTRIBI3UIVPROC glad_glVertexAttribI3uiv = NULL;
PFNGLVERTEXATTRIBI4BVPROC glad_glVertexAttribI4bv = NULL;
PFNGLVERTEXATTRIBI4IPROC glad_glVertexAttribI4i = NULL;
PFNGLVERTEXATTRIBI4IVPROC glad_glVertexAttribI4iv = NULL;
PFNGLVERTEXATTRIBI4SVPROC glad_glVertexAttribI4sv = NULL;
PFNGLVERTEXATTRIBI4UBVPROC glad_glVertexAttribI4ubv = NULL;
PFNGLVERTEXATTRIBI4UIPROC glad_glVertexAttribI4ui = NULL;
PFNGLVERTEXATTRIBI4UIVPROC glad_glVertexAttribI4uiv = NULL;
PFNGLVERTEXATTRIBI4USVPROC glad_glVertexAttribI4usv = NULL;
PFNGLVERTEXATTRIBIPOINTERPROC glad_glVertexAttribIPointer = NULL;
PFNGLVERTEXATTRIBP1UIPROC glad_glVertexAttribP1ui = NULL;
PFNGLVERTEXATTRIBP1UIVPROC glad_glVertexAttribP1uiv = NULL;
PFNGLVERTEXATTRIBP2UIPROC glad_glVertexAttribP2ui = NULL;
PFNGLVERTEXATTRIBP2UIVPROC glad_glVertexAttribP2uiv = NULL;
PFNGLVERTEXATTRIBP3UIPROC glad_glVertexAttribP3ui = NULL;
PFNGLVERTEXATTRIBP3UIVPROC glad_glVertexAttribP3uiv = NULL;
PFNGLVERTEXATTRIBP4UIPROC glad_glVertexAttribP4ui = NULL;
PFNGLVERTEXATTRIBP4UIVPROC glad_glVertexAttribP4uiv = NULL;
PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer = NULL;
PFNGLVERTEXP2UIPROC glad_glVertexP2ui = NULL;
PFNGLVERTEXP2UIVPROC glad_glVertexP2uiv = NULL;
PFNGLVERTEXP3UIPROC glad_glVertexP3ui = NULL;
PFNGLVERTEXP3UIVPROC glad_glVertexP3uiv = NULL;
PFNGLVERTEXP4UIPROC glad_glVertexP4ui = NULL;
PFNGLVERTEXP4UIVPROC glad_glVertexP4uiv = NULL;
PFNGLVIEWPORTPROC glad_glViewport = NULL;
PFNGLWAITSYNCPROC glad_glWaitSync = NULL;
static void load_GL_VERSION_1_0(GLADloadproc load) {
	if (!GLAD_GL_VERSION_1_0) return;
	glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace");
	glad_glFrontFace = (PFNGLFRONTFACEPROC)load("glFrontFace");
	glad_glHint = (PFNGLHINTPROC)load("glHint");
	glad_glLineWidth = (PFNGLLINEWIDTHPROC)load("glLineWidth");
	glad_glPointSize = (PFNGLPOINTSIZEPROC)load("glPointSize");
	glad_glPolygonMode = (PFNGLPOLYGONMODEPROC)load("glPolygonMode");
	glad_glScissor = (PFNGLSCISSORPROC)load("glScissor");
	glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC)load("glTexParameterf");
	glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC)load("glTexParameterfv");
	glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC)load("glTexParameteri");
	glad_glTexParameteriv = (PFNGLTEXPARAMETERIVPROC)load("glTexParameteriv");
	glad_glTexImage1D = (PFNGLTEXIMAGE1DPROC)load("glTexImage1D");
	glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC)load("glTexImage2D");
	glad_glDrawBuffer = (PFNGLDRAWBUFFERPROC)load("glDrawBuffer");
	glad_glClear = (PFNGLCLEARPROC)load("glClear");
	glad_glClearColor = (PFNGLCLEARCOLORPROC)load("glClearColor");
	glad_glClearStencil = (PFNGLCLEARSTENCILPROC)load("glClearStencil");
	glad_glClearDepth = (PFNGLCLEARDEPTHPROC)load("glClearDepth");
	glad_glStencilMask = (PFNGLSTENCILMASKPROC)load("glStencilMask");
	glad_glColorMask = (PFNGLCOLORMASKPROC)load("glColorMask");
	glad_glDepthMask = (PFNGLDEPTHMASKPROC)load("glDepthMask");
	glad_glDisable = (PFNGLDISABLEPROC)load("glDisable");
	glad_glEnable = (PFNGLENABLEPROC)load("glEnable");
	glad_glFinish = (PFNGLFINISHPROC)load("glFinish");
	glad_glFlush = (PFNGLFLUSHPROC)load("glFlush");
	glad_glBlendFunc = (PFNGLBLENDFUNCPROC)load("glBlendFunc");
	glad_glLogicOp = (PFNGLLOGICOPPROC)load("glLogicOp");
	glad_glStencilFunc = (PFNGLSTENCILFUNCPROC)load("glStencilFunc");
	glad_glStencilOp = (PFNGLSTENCILOPPROC)load("glStencilOp");
	glad_glDepthFunc = (PFNGLDEPTHFUNCPROC)load("glDepthFunc");
	glad_glPixelStoref = (PFNGLPIXELSTOREFPROC)load("glPixelStoref");
	glad_glPixelStorei = (PFNGLPIXELSTOREIPROC)load("glPixelStorei");
	glad_glReadBuffer = (PFNGLREADBUFFERPROC)load("glReadBuffer");
	glad_glReadPixels = (PFNGLREADPIXELSPROC)load("glReadPixels");
	glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC)load("glGetBooleanv");
	glad_glGetDoublev = (PFNGLGETDOUBLEVPROC)load("glGetDoublev");
	glad_glGetError = (PFNGLGETERRORPROC)load("glGetError");
	glad_glGetFloatv = (PFNGLGETFLOATVPROC)load("glGetFloatv");
	glad_glGetIntegerv = (PFNGLGETINTEGERVPROC)load("glGetIntegerv");
	glad_glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
	glad_glGetTexImage = (PFNGLGETTEXIMAGEPROC)load("glGetTexImage");
	glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC)load("glGetTexParameterfv");
	glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC)load("glGetTexParameteriv");
	glad_glGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC)load("glGetTexLevelParameterfv");
	glad_glGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC)load("glGetTexLevelParameteriv");
	glad_glIsEnabled = (PFNGLISENABLEDPROC)load("glIsEnabled");
	glad_glDepthRange = (PFNGLDEPTHRANGEPROC)load("glDepthRange");
	glad_glViewport = (PFNGLVIEWPORTPROC)load("glViewport");
}
static void load_GL_VERSION_1_1(GLADloadproc load) {
	if (!GLAD_GL_VERSION_1_1) return;
	glad_glDrawArrays = (PFNGLDRAWARRAYSPROC)load("glDrawArrays");
	glad_glDrawElements = (PFNGLDRAWELEMENTSPROC)load("glDrawElements");
	glad_glPolygonOffset = (PFNGLPOLYGONOFFSETPROC)load("glPolygonOffset");
	glad_glCopyTexImage1D = (PFNGLCOPYTEXIMAGE1DPROC)load("glCopyTexImage1D");
	glad_glCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC)load("glCopyTexImage2D");
	glad_glCopyTexSubImage1D = (PFNGLCOPYTEXSUBIMAGE1DPROC)load("glCopyTexSubImage1D");
	glad_glCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC)load("glCopyTexSubImage2D");
	glad_glTexSubImage1D = (PFNGLTEXSUBIMAGE1DPROC)load("glTexSubImage1D");
	glad_glTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC)load("glTexSubImage2D");
	glad_glBindTexture = (PFNGLBINDTEXTUREPROC)load("glBindTexture");
	glad_glDeleteTextures = (PFNGLDELETETEXTURESPROC)load("glDeleteTextures");
	glad_glGenTextures = (PFNGLGENTEXTURESPROC)load("glGenTextures");
	glad_glIsTexture = (PFNGLISTEXTUREPROC)load("glIsTexture");
}
static void load_GL_VERSION_1_2(GLADloadproc load) {
	if (!GLAD_GL_VERSION_1_2) return;
	glad_glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)load("glDrawRangeElements");
	glad_glTexImage3D = (PFNGLTEXIMAGE3DPROC)load("glTexImage3D");
	glad_glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)load("glTexSubImage3D");
	glad_glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC)load("glCopyTexSubImage3D");
}
static void load_GL_VERSION_1_3(GLADloadproc load) {
	if (!GLAD_GL_VERSION_1_3) return;
	glad_glActiveTexture = (PFNGLACTIVETEXTUREPROC)load("glActiveTexture");
	glad_glSampleCoverage = (PFNGLSAMPLECOVERAGEPROC)load("glSampleCoverage");
	glad_glCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC)load("glCompressedTexImage3D");
	glad_glCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)load("glCompressedTexImage2D");
	glad_glCompressedTexImage1D = (PFNGLCOMPRESSEDTEXIMAGE1DPROC)load("glCompressedTexImage1D");
	glad_glCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)load("glCompressedTexSubImage3D");
	glad_glCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)load("glCompressedTexSubImage2D");
	glad_glCompressedTexSubImage1D = (PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC)load("glCompressedTexSubImage1D");
	glad_glGetCompressedTexImage = (PFNGLGETCOMPRESSEDTEXIMAGEPROC)load("glGetCompressedTexImage");
}
static void load_GL_VERSION_1_4(GLADloadproc load) {
	if (!GLAD_GL_VERSION_1_4) return;
	glad_glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)load("glBlendFuncSeparate");
	glad_glMultiDrawArrays = (PFNGLMULTIDRAWARRAYSPROC)load("glMultiDrawArrays");
	glad_glMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC)load("glMultiDrawElements");
	glad_glPointParameterf = (PFNGLPOINTPARAMETERFPROC)load("glPointParameterf");
	glad_glPointParameterfv = (PFNGLPOINTPARAMETERFVPROC)load("glPointParameterfv");
	glad_glPointParameteri = (PFNGLPOINTPARAMETERIPROC)load("glPointParameteri");
	glad_glPointParameteriv = (PFNGLPOINTPARAMETERIVPROC)load("glPointParameteriv");
	glad_glBlendColor = (PFNGLBLENDCOLORPROC)load("glBlendColor");
	glad_glBlendEquation = (PFNGLBLENDEQUATIONPROC)load("glBlendEquation");
}
static void load_GL_VERSION_1_5(GLADloadproc load) {
	if (!GLAD_GL_VERSION_1_5) return;
	glad_glGenQueries = (PFNGLGENQUERIESPROC)load("glGenQueries");
	glad_glDeleteQueries = (PFNGLDELETEQUERIESPROC)load("glDeleteQueries");
	glad_glIsQuery = (PFNGLISQUERYPROC)load("glIsQuery");
	glad_glBeginQuery = (PFNGLBEGINQUERYPROC)load("glBeginQuery");
	glad_glEndQuery = (PFNGLENDQUERYPROC)load("glEndQuery");
	glad_glGetQueryiv = (PFNGLGETQUERYIVPROC)load("glGetQueryiv");
	glad_glGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC)load("glGetQueryObjectiv");
	glad_glGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC)load("glGetQueryObjectuiv");
	glad_glBindBuffer = (PFNGLBINDBUFFERPROC)load("glBindBuffer");
	glad_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)load("glDeleteBuffers");
	glad_glGenBuffers = (PFNGLGENBUFFERSPROC)load("glGenBuffers");
	glad_glIsBuffer = (PFNGLISBUFFERPROC)load("glIsBuffer");
	glad_glBufferData = (PFNGLBUFFERDATAPROC)load("glBufferData");
	glad_glBufferSubData = (PFNGLBUFFERSUBDATAPROC)load("glBufferSubData");
	glad_glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)load("glGetBufferSubData");
	glad_glMapBuffer = (PFNGLMAPBUFFERPROC)load("glMapBuffer");
	glad_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC)load("glUnmapBuffer");
	glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC)load("glGetBufferParameteriv");
	glad_glGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC)load("glGetBufferPointerv");
}
static void load_GL_VERSION_2_0(GLADloadproc load) {
	if (!GLAD_GL_VERSION_2_0) return;
	glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC)load("glBlendEquationSeparate");
	glad_glDrawBuffers = (PFNGLDRAWBUFFERSPROC)load("glDrawBuffers");
	glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC)load("glStencilOpSeparate");
	glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC)load("glStencilFuncSeparate");
	glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC)load("glStencilMaskSeparate");
	glad_glAttachShader = (PFNGLATTACHSHADERPROC)load("glAttachShader");
	glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)load("glBindAttribLocation");
	glad_glCompileShader = (PFNGLCOMPILESHADERPROC)load("glCompileShader");
	glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC)load("glCreateProgram");
	glad_glCreateShader = (PFNGLCREATESHADERPROC)load("glCreateShader");
	glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC)load("glDeleteProgram");
	glad_glDeleteShader = (PFNGLDELETESHADERPROC)load("glDeleteShader");
	glad_glDetachShader = (PFNGLDETACHSHADERPROC)load("glDetachShader");
	glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC)load("glDisableVertexAttribArray");
	glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)load("glEnableVertexAttribArray");
	glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC)load("glGetActiveAttrib");
	glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC)load("glGetActiveUniform");
	glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC)load("glGetAttachedShaders");
	glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC)load("glGetAttribLocation");
	glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC)load("glGetProgramiv");
	glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)load("glGetProgramInfoLog");
	glad_glGetShaderiv = (PFNGLGETSHADERIVPROC)load("glGetShaderiv");
	glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)load("glGetShaderInfoLog");
	glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC)load("glGetShaderSource");
	glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)load("glGetUniformLocation");
	glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC)load("glGetUniformfv");
	glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC)load("glGetUniformiv");
	glad_glGetVertexAttribdv = (PFNGLGETVERTEXATTRIBDVPROC)load("glGetVertexAttribdv");
	glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC)load("glGetVertexAttribfv");
	glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC)load("glGetVertexAttribiv");
	glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC)load("glGetVertexAttribPointerv");
	glad_glIsProgram = (PFNGLISPROGRAMPROC)load("glIsProgram");
	glad_glIsShader = (PFNGLISSHADERPROC)load("glIsShader");
	glad_glLinkProgram = (PFNGLLINKPROGRAMPROC)load("glLinkProgram");
	glad_glShaderSource = (PFNGLSHADERSOURCEPROC)load("glShaderSource");
	glad_glUseProgram = (PFNGLUSEPROGRAMPROC)load("glUseProgram");
	glad_glUniform1f = (PFNGLUNIFORM1FPROC)load("glUniform1f");
	glad_glUniform2f = (PFNGLUNIFORM2FPROC)load("glUniform2f");
	glad_glUniform3f = (PFNGLUNIFORM3FPROC)load("glUniform3f");
	glad_glUniform4f = (PFNGLUNIFORM4FPROC)load("glUniform4f");
	glad_glUniform1i = (PFNGLUNIFORM1IPROC)load("glUniform1i");
	glad_glUniform2i = (PFNGLUNIFORM2IPROC)load("glUniform2i");
	glad_glUniform3i = (PFNGLUNIFORM3IPROC)load("glUniform3i");
	glad_glUniform4i = (PFNGLUNIFORM4IPROC)load("glUniform4i");
	glad_glUniform1fv = (PFNGLUNIFORM1FVPROC)load("glUniform1fv");
	glad_glUniform2fv = (PFNGLUNIFORM2FVPROC)load("glUniform2fv");
	glad_glUniform3fv = (PFNGLUNIFORM3FVPROC)load("glUniform3fv");
	glad_glUniform4fv = (PFNGLUNIFORM4FVPROC)load("glUniform4fv");
	glad_glUniform1iv = (PFNGLUNIFORM1IVPROC)load("glUniform1iv");
	glad_glUniform2iv = (PFNGLUNIFORM2IVPROC)load("glUniform2iv");
	glad_glUniform3iv = (PFNGLUNIFORM3IVPROC)load("glUniform3iv");
	glad_glUniform4iv = (PFNGLUNIFORM4IVPROC)load("glUniform4iv");
	glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC)load("glUniformMatrix2fv");
	glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC)load("glUniformMatrix3fv");
	glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)load("glUniformMatrix4fv");
	glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)load("glValidateProgram");
	glad_glVertexAttrib1d = (PFNGLVERTEXATTRIB1DPROC)load("glVertexAttrib1d");
	glad_glVertexAttrib1dv = (PFNGLVERTEXATTRIB1DVPROC)load("glVertexAttrib1dv");
	glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC)load("glVertexAttrib1f");
	glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC)load("glVertexAttrib1fv");
	glad_glVertexAttrib1s = (PFNGLVERTEXATTRIB1SPROC)load("glVertexAttrib1s");
	glad_glVertexAttrib1sv = (PFNGLVERTEXATTRIB1SVPROC)load("glVertexAttrib1sv");
	glad_glVertexAttrib2d = (PFNGLVERTEXATTRIB2DPROC)load("glVertexAttrib2d");
	glad_glVertexAttrib2dv = (PFNGLVERTEXATTRIB2DVPROC)load("glVertexAttrib2dv");
	glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC)load("glVertexAttrib2f");
	glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC)load("glVertexAttrib2fv");
	glad_glVertexAttrib2s = (PFNGLVERTEXATTRIB2SPROC)load("glVertexAttrib2s");
	glad_glVertexAttrib2sv = (PFNGLVERTEXATTRIB2SVPROC)load("glVertexAttrib2sv");
	glad_glVertexAttrib3d = (PFNGLVERTEXATTRIB3DPROC)load("glVertexAttrib3d");
	glad_glVertexAttrib3dv = (PFNGLVERTEXATTRIB3DVPROC)load("glVertexAttrib3dv");
	glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC)load("glVertexAttrib3f");
	glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC)load("glVertexAttrib3fv");
	glad_glVertexAttrib3s = (PFNGLVERTEXATTRIB3SPROC)load("glVertexAttrib3s");
	glad_glVertexAttrib3sv = (PFNGLVERTEXATTRIB3SVPROC)load("glVertexAttrib3sv");
	glad_glVertexAttrib4Nbv = (PFNGLVERTEXATTRIB4NBVPROC)load("glVertexAttrib4Nbv");
	glad_glVertexAttrib4Niv = (PFNGLVERTEXATTRIB4NIVPROC)load("glVertexAttrib4Niv");
	glad_glVertexAttrib4Nsv = (PFNGLVERTEXATTRIB4NSVPROC)load("glVertexAttrib4Nsv");
	glad_glVertexAttrib4Nub = (PFNGLVERTEXATTRIB4NUBPROC)load("glVertexAttrib4Nub");
	glad_glVertexAttrib4Nubv = (PFNGLVERTEXATTRIB4NUBVPROC)load("glVertexAttrib4Nubv");
	glad_glVertexAttrib4Nuiv = (PFNGLVERTEXATTRIB4NUIVPROC)load("glVertexAttrib4Nuiv");
	glad_glVertexAttrib4Nusv = (PFNGLVERTEXATTRIB4NUSVPROC)load("glVertexAttrib4Nusv");
	glad_glVertexAttrib4bv = (PFNGLVERTEXATTRIB4BVPROC)load("glVertexAttrib4bv");
	glad_glVertexAttrib4d = (PFNGLVERTEXATTRIB4DPROC)load("glVertexAttrib4d");
	glad_glVertexAttrib4dv = (PFNGLVERTEXATTRIB4DVPROC)load("glVertexAttrib4dv");
	glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC)load("glVertexAttrib4f");
	glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC)load("glVertexAttrib4fv");
	glad_glVertexAttrib4iv = (PFNGLVERTEXATTRIB4IVPROC)load("glVertexAttrib4iv");
	glad_glVertexAttrib4s = (PFNGLVERTEXATTRIB4SPROC)load("glVertexAttrib4s");
	glad_glVertexAttrib4sv = (PFNGLVERTEXATTRIB4SVPROC)load("glVertexAttrib4sv");
	glad_glVertexAttrib4ubv = (PFNGLVERTEXATTRIB4UBVPROC)load("glVertexAttrib4ubv");
	glad_glVertexAttrib4uiv = (PFNGLVERTEXATTRIB4UIVPROC)load("glVertexAttrib4uiv");
	glad_glVertexAttrib4usv = (PFNGLVERTEXATTRIB4USVPROC)load("glVertexAttrib4usv");
	glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)load("glVertexAttribPointer");
}
static void load_GL_VERSION_2_1(GLADloadproc load) {
	if (!GLAD_GL_VERSION_2_1) return;
	glad_glUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC)load("glUniformMatrix2x3fv");
	glad_glUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC)load("glUniformMatrix3x2fv");
	glad_glUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC)load("glUniformMatrix2x4fv");
	glad_glUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC)load("glUniformMatrix4x2fv");
	glad_glUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC)load("glUniformMatrix3x4fv");
	glad_glUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC)load("glUniformMatrix4x3fv");
}
static void load_GL_VERSION_3_0(GLADloadproc load) {
	if (!GLAD_GL_VERSION_3_0) return;
	glad_glColorMaski = (PFNGLCOLORMASKIPROC)load("glColorMaski");
	glad_glGetBooleani_v = (PFNGLGETBOOLEANI_VPROC)load("glGetBooleani_v");
	glad_glGetIntegeri_v = (PFNGLGETINTEGERI_VPROC)load("glGetIntegeri_v");
	glad_glEnablei = (PFNGLENABLEIPROC)load("glEnablei");
	glad_glDisablei = (PFNGLDISABLEIPROC)load("glDisablei");
	glad_glIsEnabledi = (PFNGLISENABLEDIPROC)load("glIsEnabledi");
	glad_glBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC)load("glBeginTransformFeedback");
	glad_glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC)load("glEndTransformFeedback");
	glad_glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC)load("glBindBufferRange");
	glad_glBindBufferBase = (PFNGLBINDBUFFERBASEPROC)load("glBindBufferBase");
	glad_glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC)load("glTransformFeedbackVaryings");
	glad_glGetTransformFeedbackVarying = (PFNGLGETTRANSFORMFEEDBACKVARYINGPROC)load("glGetTransformFeedbackVarying");
	glad_glClampColor = (PFNGLCLAMPCOLORPROC)load("glClampColor");
	glad_glBeginConditionalRender = (PFNGLBEGINCONDITIONALRENDERPROC)load("glBeginConditionalRender");
	glad_glEndConditionalRender = (PFNGLENDCONDITIONALRENDERPROC)load("glEndConditionalRender");
	glad_glVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC)load("glVertexAttribIPointer");
	glad_glGetVertexAttribIiv = (PFNGLGETVERTEXATTRIBIIVPROC)load("glGetVertexAttribIiv");
	glad_glGetVertexAttribIuiv = (PFNGLGETVERTEXATTRIBIUIVPROC)load("glGetVertexAttribIuiv");
	glad_glVertexAttribI1i = (PFNGLVERTEXATTRIBI1IPROC)load("glVertexAttribI1i");
	glad_glVertexAttribI2i = (PFNGLVERTEXATTRIBI2IPROC)load("glVertexAttribI2i");
	glad_glVertexAttribI3i = (PFNGLVERTEXATTRIBI3IPROC)load("glVertexAttribI3i");
	glad_glVertexAttribI4i = (PFNGLVERTEXATTRIBI4IPROC)load("glVertexAttribI4i");
	glad_glVertexAttribI1ui = (PFNGLVERTEXATTRIBI1UIPROC)load("glVertexAttribI1ui");
	glad_glVertexAttribI2ui = (PFNGLVERTEXATTRIBI2UIPROC)load("glVertexAttribI2ui");
	glad_glVertexAttribI3ui = (PFNGLVERTEXATTRIBI3UIPROC)load("glVertexAttribI3ui");
	glad_glVertexAttribI4ui = (PFNGLVERTEXATTRIBI4UIPROC)load("glVertexAttribI4ui");
	glad_glVertexAttribI1iv = (PFNGLVERTEXATTRIBI1IVPROC)load("glVertexAttribI1iv");
	glad_glVertexAttribI2iv = (PFNGLVERTEXATTRIBI2IVPROC)load("glVertexAttribI2iv");
	glad_glVertexAttribI3iv = (PFNGLVERTEXATTRIBI3IVPROC)load("glVertexAttribI3iv");
	glad_glVertexAttribI4iv = (PFNGLVERTEXATTRIBI4IVPROC)load("glVertexAttribI4iv");
	glad_glVertexAttribI1uiv = (PFNGLVERTEXATTRIBI1UIVPROC)load("glVertexAttribI1uiv");
	glad_glVertexAttribI2uiv = (PFNGLVERTEXATTRIBI2UIVPROC)load("glVertexAttribI2uiv");
	glad_glVertexAttribI3uiv = (PFNGLVERTEXATTRIBI3UIVPROC)load("glVertexAttribI3uiv");
	glad_glVertexAttribI4uiv = (PFNGLVERTEXATTRIBI4UIVPROC)load("glVertexAttribI4uiv");
	glad_glVertexAttribI4bv = (PFNGLVERTEXATTRIBI4BVPROC)load("glVertexAttribI4bv");
	glad_glVertexAttribI4sv = (PFNGLVERTEXATTRIBI4SVPROC)load("glVertexAttribI4sv");
	glad_glVertexAttribI4ubv = (PFNGLVERTEXATTRIBI4UBVPROC)load("glVertexAttribI4ubv");
	glad_glVertexAttribI4usv = (PFNGLVERTEXATTRIBI4USVPROC)load("glVertexAttribI4usv");
	glad_glGetUniformuiv = (PFNGLGETUNIFORMUIVPROC)load("glGetUniformuiv");
	glad_glBindFragDataLocation = (PFNGLBINDFRAGDATALOCATIONPROC)load("glBindFragDataLocation");
	glad_glGetFragDataLocation = (PFNGLGETFRAGDATALOCATIONPROC)load("glGetFragDataLocation");
	glad_glUniform1ui = (PFNGLUNIFORM1UIPROC)load("glUniform1ui");
	glad_glUniform2ui = (PFNGLUNIFORM2UIPROC)load("glUniform2ui");
	glad_glUniform3ui = (PFNGLUNIFORM3UIPROC)load("glUniform3ui");
	glad_glUniform4ui = (PFNGLUNIFORM4UIPROC)load("glUniform4ui");
	glad_glUniform1uiv = (PFNGLUNIFORM1UIVPROC)load("glUniform1uiv");
	glad_glUniform2uiv = (PFNGLUNIFORM2UIVPROC)load("glUniform2uiv");
	glad_glUniform3uiv = (PFNGLUNIFORM3UIVPROC)load("glUniform3uiv");
	glad_glUniform4uiv = (PFNGLUNIFORM4UIVPROC)load("glUniform4uiv");
	glad_glTexParameterIiv = (PFNGLTEXPARAMETERIIVPROC)load("glTexParameterIiv");
	glad_glTexParameterIuiv = (PFNGLTEXPARAMETERIUIVPROC)load("glTexParameterIuiv");
	glad_glGetTexParameterIiv = (PFNGLGETTEXPARAMETERIIVPROC)load("glGetTexParameterIiv");
	glad_glGetTexParameterIuiv = (PFNGLGETTEXPARAMETERIUIVPROC)load("glGetTexParameterIuiv");
	glad_glClearBufferiv = (PFNGLCLEARBUFFERIVPROC)load("glClearBufferiv");
	glad_glClearBufferuiv = (PFNGLCLEARBUFFERUIVPROC)load("glClearBufferuiv");
	glad_glClearBufferfv = (PFNGLCLEARBUFFERFVPROC)load("glClearBufferfv");
	glad_glClearBufferfi = (PFNGLCLEARBUFFERFIPROC)load("glClearBufferfi");
	glad_glGetStringi = (PFNGLGETSTRINGIPROC)load("glGetStringi");
	glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer");
	glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer");
	glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers");
	glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers");
	glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage");
	glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv");
	glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer");
	glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer");
	glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers");
	glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers");
	glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus");
	glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1D");
	glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D");
	glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3D");
	glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer");
	glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv");
	glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap");
	glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)load("glBlitFramebuffer");
	glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample");
	glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer");
	glad_glMapBufferRange = (PFNGLMAPBUFFERRANGEPROC)load("glMapBufferRange");
	glad_glFlushMappedBufferRange = (PFNGLFLUSHMAPPEDBUFFERRANGEPROC)load("glFlushMappedBufferRange");
	glad_glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)load("glBindVertexArray");
	glad_glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC)load("glDeleteVertexArrays");
	glad_glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)load("glGenVertexArrays");
	glad_glIsVertexArray = (PFNGLISVERTEXARRAYPROC)load("glIsVertexArray");
}
static void load_GL_VERSION_3_1(GLADloadproc load) {
	if (!GLAD_GL_VERSION_3_1) return;
	glad_glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDPROC)load("glDrawArraysInstanced");
	glad_glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDPROC)load("glDrawElementsInstanced");
	glad_glTexBuffer = (PFNGLTEXBUFFERPROC)load("glTexBuffer");
	glad_glPrimitiveRestartIndex = (PFNGLPRIMITIVERESTARTINDEXPROC)load("glPrimitiveRestartIndex");
	glad_glCopyBufferSubData = (PFNGLCOPYBUFFERSUBDATAPROC)load("glCopyBufferSubData");
	glad_glGetUniformIndices = (PFNGLGETUNIFORMINDICESPROC)load("glGetUniformIndices");
	glad_glGetActiveUniformsiv = (PFNGLGETACTIVEUNIFORMSIVPROC)load("glGetActiveUniformsiv");
	glad_glGetActiveUniformName = (PFNGLGETACTIVEUNIFORMNAMEPROC)load("glGetActiveUniformName");
	glad_glGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC)load("glGetUniformBlockIndex");
	glad_glGetActiveUniformBlockiv = (PFNGLGETACTIVEUNIFORMBLOCKIVPROC)load("glGetActiveUniformBlockiv");
	glad_glGetActiveUniformBlockName = (PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC)load("glGetActiveUniformBlockName");
	glad_glUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC)load("glUniformBlockBinding");
	glad_glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC)load("glBindBufferRange");
	glad_glBindBufferBase = (PFNGLBINDBUFFERBASEPROC)load("glBindBufferBase");
	glad_glGetIntegeri_v = (PFNGLGETINTEGERI_VPROC)load("glGetIntegeri_v");
}
static void load_GL_VERSION_3_2(GLADloadproc load) {
	if (!GLAD_GL_VERSION_3_2) return;
	glad_glDrawElementsBaseVertex = (PFNGLDRAWELEMENTSBASEVERTEXPROC)load("glDrawElementsBaseVertex");
	glad_glDrawRangeElementsBaseVertex = (PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC)load("glDrawRangeElementsBaseVertex");
	glad_glDrawElementsInstancedBaseVertex = (PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC)load("glDrawElementsInstancedBaseVertex");
	glad_glMultiDrawElementsBaseVertex = (PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC)load("glMultiDrawElementsBaseVertex");
	glad_glProvokingVertex = (PFNGLPROVOKINGVERTEXPROC)load("glProvokingVertex");
	glad_glFenceSync = (PFNGLFENCESYNCPROC)load("glFenceSync");
	glad_glIsSync = (PFNGLISSYNCPROC)load("glIsSync");
	glad_glDeleteSync = (PFNGLDELETESYNCPROC)load("glDeleteSync");
	glad_glClientWaitSync = (PFNGLCLIENTWAITSYNCPROC)load("glClientWaitSync");
	glad_glWaitSync = (PFNGLWAITSYNCPROC)load("glWaitSync");
	glad_glGetInteger64v = (PFNGLGETINTEGER64VPROC)load("glGetInteger64v");
	glad_glGetSynciv = (PFNGLGETSYNCIVPROC)load("glGetSynciv");
	glad_glGetInteger64i_v = (PFNGLGETINTEGER64I_VPROC)load("glGetInteger64i_v");
	glad_glGetBufferParameteri64v = (PFNGLGETBUFFERPARAMETERI64VPROC)load("glGetBufferParameteri64v");
	glad_glFramebufferTexture = (PFNGLFRAMEBUFFERTEXTUREPROC)load("glFramebufferTexture");
	glad_glTexImage2DMultisample = (PFNGLTEXIMAGE2DMULTISAMPLEPROC)load("glTexImage2DMultisample");
	glad_glTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC)load("glTexImage3DMultisample");
	glad_glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC)load("glGetMultisamplefv");
	glad_glSampleMaski = (PFNGLSAMPLEMASKIPROC)load("glSampleMaski");
}
static void load_GL_VERSION_3_3(GLADloadproc load) {
	if (!GLAD_GL_VERSION_3_3) return;
	glad_glBindFragDataLocationIndexed = (PFNGLBINDFRAGDATALOCATIONINDEXEDPROC)load("glBindFragDataLocationIndexed");
	glad_glGetFragDataIndex = (PFNGLGETFRAGDATAINDEXPROC)load("glGetFragDataIndex");
	glad_glGenSamplers = (PFNGLGENSAMPLERSPROC)load("glGenSamplers");
	glad_glDeleteSamplers = (PFNGLDELETESAMPLERSPROC)load("glDeleteSamplers");
	glad_glIsSampler = (PFNGLISSAMPLERPROC)load("glIsSampler");
	glad_glBindSampler = (PFNGLBINDSAMPLERPROC)load("glBindSampler");
	glad_glSamplerParameteri = (PFNGLSAMPLERPARAMETERIPROC)load("glSamplerParameteri");
	glad_glSamplerParameteriv = (PFNGLSAMPLERPARAMETERIVPROC)load("glSamplerParameteriv");
	glad_glSamplerParameterf = (PFNGLSAMPLERPARAMETERFPROC)load("glSamplerParameterf");
	glad_glSamplerParameterfv = (PFNGLSAMPLERPARAMETERFVPROC)load("glSamplerParameterfv");
	glad_glSamplerParameterIiv = (PFNGLSAMPLERPARAMETERIIVPROC)load("glSamplerParameterIiv");
	glad_glSamplerParameterIuiv = (PFNGLSAMPLERPARAMETERIUIVPROC)load("glSamplerParameterIuiv");
	glad_glGetSamplerParameteriv = (PFNGLGETSAMPLERPARAMETERIVPROC)load("glGetSamplerParameteriv");
	glad_glGetSamplerParameterIiv = (PFNGLGETSAMPLERPARAMETERIIVPROC)load("glGetSamplerParameterIiv");
	glad_glGetSamplerParameterfv = (PFNGLGETSAMPLERPARAMETERFVPROC)load("glGetSamplerParameterfv");
	glad_glGetSamplerParameterIuiv = (PFNGLGETSAMPLERPARAMETERIUIVPROC)load("glGetSamplerParameterIuiv");
	glad_glQueryCounter = (PFNGLQUERYCOUNTERPROC)load("glQueryCounter");
	glad_glGetQueryObjecti64v = (PFNGLGETQUERYOBJECTI64VPROC)load("glGetQueryObjecti64v");
	glad_glGetQueryObjectui64v = (PFNGLGETQUERYOBJECTUI64VPROC)load("glGetQueryObjectui64v");
	glad_glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISORPROC)load("glVertexAttribDivisor");
	glad_glVertexAttribP1ui = (PFNGLVERTEXATTRIBP1UIPROC)load("glVertexAttribP1ui");
	glad_glVertexAttribP1uiv = (PFNGLVERTEXATTRIBP1UIVPROC)load("glVertexAttribP1uiv");
	glad_glVertexAttribP2ui = (PFNGLVERTEXATTRIBP2UIPROC)load("glVertexAttribP2ui");
	glad_glVertexAttribP2uiv = (PFNGLVERTEXATTRIBP2UIVPROC)load("glVertexAttribP2uiv");
	glad_glVertexAttribP3ui = (PFNGLVERTEXATTRIBP3UIPROC)load("glVertexAttribP3ui");
	glad_glVertexAttribP3uiv = (PFNGLVERTEXATTRIBP3UIVPROC)load("glVertexAttribP3uiv");
	glad_glVertexAttribP4ui = (PFNGLVERTEXATTRIBP4UIPROC)load("glVertexAttribP4ui");
	glad_glVertexAttribP4uiv = (PFNGLVERTEXATTRIBP4UIVPROC)load("glVertexAttribP4uiv");
	glad_glVertexP2ui = (PFNGLVERTEXP2UIPROC)load("glVertexP2ui");
	glad_glVertexP2uiv = (PFNGLVERTEXP2UIVPROC)load("glVertexP2uiv");
	glad_glVertexP3ui = (PFNGLVERTEXP3UIPROC)load("glVertexP3ui");
	glad_glVertexP3uiv = (PFNGLVERTEXP3UIVPROC)load("glVertexP3uiv");
	glad_glVertexP4ui = (PFNGLVERTEXP4UIPROC)load("glVertexP4ui");
	glad_glVertexP4uiv = (PFNGLVERTEXP4UIVPROC)load("glVertexP4uiv");
	glad_glTexCoordP1ui = (PFNGLTEXCOORDP1UIPROC)load("glTexCoordP1ui");
	glad_glTexCoordP1uiv = (PFNGLTEXCOORDP1UIVPROC)load("glTexCoordP1uiv");
	glad_glTexCoordP2ui = (PFNGLTEXCOORDP2UIPROC)load("glTexCoordP2ui");
	glad_glTexCoordP2uiv = (PFNGLTEXCOORDP2UIVPROC)load("glTexCoordP2uiv");
	glad_glTexCoordP3ui = (PFNGLTEXCOORDP3UIPROC)load("glTexCoordP3ui");
	glad_glTexCoordP3uiv = (PFNGLTEXCOORDP3UIVPROC)load("glTexCoordP3uiv");
	glad_glTexCoordP4ui = (PFNGLTEXCOORDP4UIPROC)load("glTexCoordP4ui");
	glad_glTexCoordP4uiv = (PFNGLTEXCOORDP4UIVPROC)load("glTexCoordP4uiv");
	glad_glMultiTexCoordP1ui = (PFNGLMULTITEXCOORDP1UIPROC)load("glMultiTexCoordP1ui");
	glad_glMultiTexCoordP1uiv = (PFNGLMULTITEXCOORDP1UIVPROC)load("glMultiTexCoordP1uiv");
	glad_glMultiTexCoordP2ui = (PFNGLMULTITEXCOORDP2UIPROC)load("glMultiTexCoordP2ui");
	glad_glMultiTexCoordP2uiv = (PFNGLMULTITEXCOORDP2UIVPROC)load("glMultiTexCoordP2uiv");
	glad_glMultiTexCoordP3ui = (PFNGLMULTITEXCOORDP3UIPROC)load("glMultiTexCoordP3ui");
	glad_glMultiTexCoordP3uiv = (PFNGLMULTITEXCOORDP3UIVPROC)load("glMultiTexCoordP3uiv");
	glad_glMultiTexCoordP4ui = (PFNGLMULTITEXCOORDP4UIPROC)load("glMultiTexCoordP4ui");
	glad_glMultiTexCoordP4uiv = (PFNGLMULTITEXCOORDP4UIVPROC)load("glMultiTexCoordP4uiv");
	glad_glNormalP3ui = (PFNGLNORMALP3UIPROC)load("glNormalP3ui");
	glad_glNormalP3uiv = (PFNGLNORMALP3UIVPROC)load("glNormalP3uiv");
	glad_glColorP3ui = (PFNGLCOLORP3UIPROC)load("glColorP3ui");
	glad_glColorP3uiv = (PFNGLCOLORP3UIVPROC)load("glColorP3uiv");
	glad_glColorP4ui = (PFNGLCOLORP4UIPROC)load("glColorP4ui");
	glad_glColorP4uiv = (PFNGLCOLORP4UIVPROC)load("glColorP4uiv");
	glad_glSecondaryColorP3ui = (PFNGLSECONDARYCOLORP3UIPROC)load("glSecondaryColorP3ui");
	glad_glSecondaryColorP3uiv = (PFNGLSECONDARYCOLORP3UIVPROC)load("glSecondaryColorP3uiv");
}

static void find_coreGL(void) {

	/* Thank you @elmindreda
	 * https://github.com/elmindreda/greg/blob/master/templates/greg.c.in#L176
	 * https://github.com/glfw/glfw/blob/master/src/context.c#L36
	 */
	int i, major, minor;

	const char* version;
	const char* prefixes[] = {
		"OpenGL ES-CM ",
		"OpenGL ES-CL ",
		"OpenGL ES ",
		NULL
	};

	version = (const char*)glGetString(GL_VERSION);
	if (!version) return;

	for (i = 0; prefixes[i]; i++) {
		const size_t length = strlen(prefixes[i]);
		if (strncmp(version, prefixes[i], length) == 0) {
			version += length;
			break;
		}
	}

	/* PR #18 */
#ifdef _MSC_VER
	sscanf_s(version, "%d.%d", &major, &minor);
#else
	sscanf(version, "%d.%d", &major, &minor);
#endif

	GLVersion.major = major; GLVersion.minor = minor;
	max_loaded_major = major; max_loaded_minor = minor;
	GLAD_GL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
	GLAD_GL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
	GLAD_GL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
	GLAD_GL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
	GLAD_GL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
	GLAD_GL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1;
	GLAD_GL_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
	GLAD_GL_VERSION_2_1 = (major == 2 && minor >= 1) || major > 2;
	GLAD_GL_VERSION_3_0 = (major == 3 && minor >= 0) || major > 3;
	GLAD_GL_VERSION_3_1 = (major == 3 && minor >= 1) || major > 3;
	GLAD_GL_VERSION_3_2 = (major == 3 && minor >= 2) || major > 3;
	GLAD_GL_VERSION_3_3 = (major == 3 && minor >= 3) || major > 3;
	if (GLVersion.major > 3 || (GLVersion.major >= 3 && GLVersion.minor >= 3)) {
		max_loaded_major = 3;
		max_loaded_minor = 3;
	}
}

static const char* exts = NULL;
static int num_exts_i = 0;
static char** exts_i = NULL;

static int get_exts(void) {
#ifdef _GLAD_IS_SOME_NEW_VERSION
	if (max_loaded_major < 3) {
#endif
		exts = (const char*)glGetString(GL_EXTENSIONS);
#ifdef _GLAD_IS_SOME_NEW_VERSION
	}
	else {
		unsigned int index;

		num_exts_i = 0;
		glGetIntegerv(GL_NUM_EXTENSIONS, &num_exts_i);
		if (num_exts_i > 0) {
			exts_i = (char**)malloc((size_t)num_exts_i * (sizeof * exts_i));
		}

		if (exts_i == NULL) {
			return 0;
		}

		for (index = 0; index < (unsigned)num_exts_i; index++) {
			const char* gl_str_tmp = (const char*)glGetStringi(GL_EXTENSIONS, index);
			size_t len = strlen(gl_str_tmp);

			char* local_str = (char*)malloc((len + 1) * sizeof(char));
			if (local_str != NULL) {
				memcpy(local_str, gl_str_tmp, (len + 1) * sizeof(char));
			}
			exts_i[index] = local_str;
		}
	}
#endif
	return 1;
}

static void free_exts(void) {
	if (exts_i != NULL) {
		int index;
		for (index = 0; index < num_exts_i; index++) {
			free((char*)exts_i[index]);
		}
		free((void*)exts_i);
		exts_i = NULL;
	}
}

static int has_ext(const char* ext) {
#ifdef _GLAD_IS_SOME_NEW_VERSION
	if (max_loaded_major < 3) {
#endif
		const char* extensions;
		const char* loc;
		const char* terminator;
		extensions = exts;
		if (extensions == NULL || ext == NULL) {
			return 0;
		}

		while (1) {
			loc = strstr(extensions, ext);
			if (loc == NULL) {
				return 0;
			}

			terminator = loc + strlen(ext);
			if ((loc == extensions || *(loc - 1) == ' ') &&
				(*terminator == ' ' || *terminator == '\0')) {
				return 1;
			}
			extensions = terminator;
		}
#ifdef _GLAD_IS_SOME_NEW_VERSION
	}
	else {
		int index;
		if (exts_i == NULL) return 0;
		for (index = 0; index < num_exts_i; index++) {
			const char* e = exts_i[index];

			if (exts_i[index] != NULL && strcmp(e, ext) == 0) {
				return 1;
			}
		}
	}
#endif

	return 0;
}

static int find_extensionsGL(void) {
	if (!get_exts()) return 0;
	(void)&has_ext;
	free_exts();
	return 1;
}

int gladLoadGLLoader(GLADloadproc load) {
	GLVersion.major = 0; GLVersion.minor = 0;
	glGetString = (PFNGLGETSTRINGPROC)load("glGetString");

	if (glGetString == NULL)
	{
		return 0;
	}
	if (glGetString(GL_VERSION) == NULL)
	{
		return 0;
	}
	find_coreGL();
	load_GL_VERSION_1_0(load);
	load_GL_VERSION_1_1(load);
	load_GL_VERSION_1_2(load);
	load_GL_VERSION_1_3(load);
	load_GL_VERSION_1_4(load);
	load_GL_VERSION_1_5(load);
	load_GL_VERSION_2_0(load);
	load_GL_VERSION_2_1(load);
	load_GL_VERSION_3_0(load);
	load_GL_VERSION_3_1(load);
	load_GL_VERSION_3_2(load);
	load_GL_VERSION_3_3(load);

	if (!find_extensionsGL())
	{
		return 0;
	}
	return GLVersion.major != 0 || GLVersion.minor != 0;
}

#pragma endregion

void GraphicsWindows::Init(int width, int height)
{
	bool succes;
	succes = glfwInit();
	assert(succes);

	glfwSetErrorCallback(ErrorCallback);
	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // 3.3 is enough for our needs
	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
	glfwWindowHint(GLFW_STENCIL_BITS, GL_FALSE);
	glfwWindowHint(GLFW_RESIZABLE, GL_FALSE /* easier :) */);

	glfwWindowHint(GLFW_SAMPLES, 4);

	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

	std::string windowTitle = "RTS3D";

#ifdef PLATFORM_WIN32
	windowTitle += "_x86";
#elif PLATFORM_WIN64
	windowTitle += "_x64";
#endif

#ifdef DEBUG
	windowTitle += "_DEBUG";
#endif

#ifdef FULLSCREEN
	mWindow = glfwCreateWindow(width, height, windowTitle.c_str(), glfwGetPrimaryMonitor(), 0);
#else
	mWindow = glfwCreateWindow(width, height, windowTitle.c_str(), 0, 0);
#endif
	assert(mWindow != nullptr);

	glfwMakeContextCurrent(mWindow);
	succes = gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);
	assert(succes);

	int dummy = glGetError();

	if (dummy != GL_NO_ERROR)
	{
		LOGWARNING("I still get this error: " << dummy);
	}

	CheckGL();

	glfwSwapInterval(0);

	CheckGL();

	// we want a console window for text output
//#ifndef FULLSCREEN
//	CONSOLE_SCREEN_BUFFER_INFO coninfo;
//	AllocConsole();
//	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
//	coninfo.dwSize.X = 1280;
//	coninfo.dwSize.Y = 800;
//	SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
//	FILE* file = nullptr;
//	freopen_s(&file, "CON", "w", stdout);
//	freopen_s(&file, "CON", "w", stderr);
//	SetWindowPos(GetConsoleWindow(), HWND_TOP, 0, 0, 1280, 800, 0);
//#endif
	glfwShowWindow(mWindow);
}

void GraphicsWindows::NewFrame()
{
	ImGui_ImplOpenGL3_NewFrame();
	ImGui_ImplGlfw_NewFrame();
	ImGui::NewFrame();
}

void GraphicsWindows::Render()
{
	ImGui::Render();
	ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

	glfwSwapBuffers(mWindow);
}

void GraphicsWindows::Exit()
{
	ImGui_ImplOpenGL3_Shutdown();
	ImGui_ImplGlfw_Shutdown();
	ImGui::DestroyContext();

	glfwDestroyWindow(mWindow);
	glfwTerminate();
}