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make opengl compatible with older versions than 2.0 (for 16bit games only)

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This commit is contained in:
FunkyFr3sh 2018-11-15 06:16:09 +01:00
parent ec11947593
commit b04dc01104
4 changed files with 13 additions and 8 deletions
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4
src/opengl.c
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@ -19,6 +19,7 @@ PFNGLGETERRORPROC glGetError;
PFNGLGETSTRINGPROC glGetString;
PFNGLGETTEXIMAGEPROC glGetTexImage;
PFNGLPIXELSTOREIPROC glPixelStorei;
PFNGLENABLEPROC glEnable;
PFNGLBEGINPROC glBegin;
PFNGLENDPROC glEnd;
@ -121,6 +122,7 @@ BOOL OpenGL_LoadDll()
glGetString = (PFNGLGETSTRINGPROC)GetProcAddress(OpenGL_hModule, "glGetString");
glGetTexImage = (PFNGLGETTEXIMAGEPROC)GetProcAddress(OpenGL_hModule, "glGetTexImage");
glPixelStorei = (PFNGLPIXELSTOREIPROC)GetProcAddress(OpenGL_hModule, "glPixelStorei");
glEnable = (PFNGLENABLEPROC)GetProcAddress(OpenGL_hModule, "glEnable");
glBegin = (PFNGLBEGINPROC)GetProcAddress(OpenGL_hModule, "glBegin");
glEnd = (PFNGLENDPROC)GetProcAddress(OpenGL_hModule, "glEnd");
@ -131,7 +133,7 @@ BOOL OpenGL_LoadDll()
return xwglCreateContext && xwglDeleteContext && xwglGetProcAddress && xwglMakeCurrent && glViewport &&
glBindTexture && glGenTextures && glTexParameteri && glDeleteTextures && glTexImage2D &&
glDrawElements && glTexSubImage2D && glGetError && glGetString && glGetTexImage && glPixelStorei &&
glBegin && glEnd && glTexCoord2f && glVertex2f;
glEnable && glBegin && glEnd && glTexCoord2f && glVertex2f;
}
void OpenGL_Init()