60 lines
2.6 KiB
C++
60 lines
2.6 KiB
C++
#include "GlLoader.hpp"
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#include <cassert>
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PFNGLCREATESHADERPROC glCreateShader = nullptr;
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PFNGLSHADERSOURCEPROC glShaderSource = nullptr;
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PFNGLCOMPILESHADERPROC glCompileShader = nullptr;
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PFNGLGETSHADERIVPROC glGetShaderiv = nullptr;
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PFNGLGETSHADERSOURCEPROC glGetShaderInfo = nullptr;
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PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog = nullptr;
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PFNGLCREATEPROGRAMPROC glCreateProgram = nullptr;
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PFNGLATTACHSHADERPROC glAttachShader = nullptr;
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PFNGLLINKPROGRAMPROC glLinkProgram = nullptr;
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PFNGLGETPROGRAMIVPROC glGetProgramiv = nullptr;
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PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog = nullptr;
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PFNGLDELETESHADERPROC glDeleteShader = nullptr;
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PFNGLGENBUFFERSPROC glGenBuffers = nullptr;
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PFNGLBINDBUFFERPROC glBindBuffer = nullptr;
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PFNGLBUFFERDATAPROC glBufferData = nullptr;
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PFNGLGENVERTEXARRAYSPROC glGenVertexArrays = nullptr;
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PFNGLBINDVERTEXARRAYPROC glBindVertexArray = nullptr;
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PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer = nullptr;
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PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray = nullptr;
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PFNGLUSEPROGRAMPROC glUseProgram = nullptr;
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PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation = nullptr;
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PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv = nullptr;
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PFNGLUNIFORM3FVPROC glUniform3fv = nullptr;
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#define LOAD_GL_FUNCTION(type, name) \
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(name) = (PFN##type##PROC) glXGetProcAddress((unsigned char *) #name); \
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assert(name && "GL function not found");
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void LoadGlFunctions()
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{
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LOAD_GL_FUNCTION(GLCREATESHADER, glCreateShader)
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LOAD_GL_FUNCTION(GLSHADERSOURCE, glShaderSource)
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LOAD_GL_FUNCTION(GLCOMPILESHADER, glCompileShader)
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LOAD_GL_FUNCTION(GLGETSHADERIV, glGetShaderiv)
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LOAD_GL_FUNCTION(GLGETSHADERSOURCE, glGetShaderInfo)
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LOAD_GL_FUNCTION(GLGETSHADERINFOLOG, glGetShaderInfoLog)
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LOAD_GL_FUNCTION(GLCREATEPROGRAM, glCreateProgram)
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LOAD_GL_FUNCTION(GLATTACHSHADER, glAttachShader)
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LOAD_GL_FUNCTION(GLLINKPROGRAM, glLinkProgram)
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LOAD_GL_FUNCTION(GLGETPROGRAMIV, glGetProgramiv)
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LOAD_GL_FUNCTION(GLGETPROGRAMINFOLOG, glGetProgramInfoLog)
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LOAD_GL_FUNCTION(GLDELETESHADER, glDeleteShader)
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LOAD_GL_FUNCTION(GLGENBUFFERS, glGenBuffers)
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LOAD_GL_FUNCTION(GLBINDBUFFER, glBindBuffer)
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LOAD_GL_FUNCTION(GLBUFFERDATA, glBufferData)
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LOAD_GL_FUNCTION(GLGENVERTEXARRAYS, glGenVertexArrays)
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LOAD_GL_FUNCTION(GLBINDVERTEXARRAY, glBindVertexArray)
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LOAD_GL_FUNCTION(GLVERTEXATTRIBPOINTER, glVertexAttribPointer)
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LOAD_GL_FUNCTION(GLENABLEVERTEXATTRIBARRAY, glEnableVertexAttribArray)
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LOAD_GL_FUNCTION(GLUSEPROGRAM, glUseProgram)
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LOAD_GL_FUNCTION(GLGETUNIFORMLOCATION, glGetUniformLocation)
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LOAD_GL_FUNCTION(GLUNIFORMMATRIX4FV, glUniformMatrix4fv)
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LOAD_GL_FUNCTION(GLUNIFORM3FV, glUniform3fv)
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}
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