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OpenGL: Load the GLU and OpenGL 1.3 multitexturing functions during runtime

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This commit is contained in:
Alam Ed Arias 2017-05-29 22:52:51 -04:00
parent f96844b262
commit 6be7693ecb
2 changed files with 5 additions and 24 deletions
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27
src/hardware/r_opengl/r_opengl.c
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@ -263,15 +263,8 @@ FUNCPRINTF void DBG_Printf(const char *lpFmt, ...)
/* texture mapping */ //GL_EXT_copy_texture
#ifndef KOS_GL_COMPATIBILITY
#define pglCopyTexImage2D glCopyTexImage2D
#endif
/* GLU functions */
#define pgluBuild2DMipmaps gluBuild2DMipmaps
#endif
#ifndef MINI_GL_COMPATIBILITY
/* 1.3 functions for multitexturing */
#define pglActiveTexture glActiveTexture
#define pglMultiTexCoord2f glMultiTexCoord2f
#endif
#else //!STATIC_OPENGL
/* 1.0 functions */
@ -394,7 +387,7 @@ static PFNglBindTexture pglBindTexture;
/* texture mapping */ //GL_EXT_copy_texture
typedef void (APIENTRY * PFNglCopyTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
static PFNglCopyTexImage2D pglCopyTexImage2D;
#endif
/* GLU functions */
typedef GLint (APIENTRY * PFNgluBuild2DMipmaps) (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *data);
static PFNgluBuild2DMipmaps pgluBuild2DMipmaps;
@ -406,7 +399,6 @@ static PFNglActiveTexture pglActiveTexture;
typedef void (APIENTRY *PFNglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
static PFNglMultiTexCoord2f pglMultiTexCoord2f;
#endif
#endif
#ifndef MINI_GL_COMPATIBILITY
/* 1.2 Parms */
@ -523,17 +515,13 @@ boolean SetupGLfunc(void)
// This has to be done after the context is created so the version number can be obtained
boolean SetupGLFunc13(void)
{
#ifdef MINI_GL_COMPATIBILITY
return false;
#else
const GLubyte *version = pglGetString(GL_VERSION);
int glmajor, glminor;
gl13 = false;
#ifdef MINI_GL_COMPATIBILITY
return false;
#else
#ifdef STATIC_OPENGL
gl13 = true;
#else
// Parse the GL version
if (version != NULL)
{
@ -572,9 +560,6 @@ boolean SetupGLFunc13(void)
}
else
DBG_Printf("GL_ARB_multitexture support: disabled\n");
#undef GETOPENGLFUNC
#endif
return true;
#endif
}
@ -1823,13 +1808,11 @@ EXPORT void HWRAPI(SetSpecialState) (hwdspecialstate_t IdState, INT32 Value)
min_filter = GL_NEAREST;
#endif
}
#ifndef STATIC_OPENGL
if (!pgluBuild2DMipmaps)
{
MipMap = GL_FALSE;
min_filter = GL_LINEAR;
}
#endif
Flush(); //??? if we want to change filter mode by texture, remove this
break;

2
src/sdl/ogl_sdl.c
View file

@ -71,7 +71,6 @@ INT32 oglflags = 0;
void *GLUhandle = NULL;
SDL_GLContext sdlglcontext = 0;
#ifndef STATIC_OPENGL
void *GetGLFunc(const char *proc)
{
if (strncmp(proc, "glu", 3) == 0)
@ -83,7 +82,6 @@ void *GetGLFunc(const char *proc)
}
return SDL_GL_GetProcAddress(proc);
}
#endif
boolean LoadGL(void)
{