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Multitexturing is now enabled even if you haven't got glMultiTexCoord3fARB.

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Added glDrawRangeElements "emulation" using glDrawElements for systems without
glDrawRangeElements.


git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1044 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Mark Olsen 2005-05-21 01:33:58 +00:00
parent 6ddbdc417e
commit 16d52bd692
1 changed files with 10 additions and 2 deletions
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12
engine/gl/gl_vidcommon.c
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@ -163,6 +163,11 @@ int texture_mode = GL_LINEAR;
int texture_extension_number = 1; int texture_extension_number = 1;
void GL_DrawRangeElementsEmul(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices)
{
glDrawElements(mode, count, type, indices);
}
#define getglcore getglfunction #define getglcore getglfunction
#define getglext(name) getglfunction(name) #define getglext(name) getglfunction(name)
void GL_CheckExtensions (void *(*getglfunction) (char *name)) void GL_CheckExtensions (void *(*getglfunction) (char *name))
@ -237,12 +242,11 @@ void GL_CheckExtensions (void *(*getglfunction) (char *name))
mtexid0 = GL_TEXTURE0_ARB; mtexid0 = GL_TEXTURE0_ARB;
mtexid1 = GL_TEXTURE1_ARB; mtexid1 = GL_TEXTURE1_ARB;
if (!qglActiveTextureARB || !qglClientActiveTextureARB || !qglMultiTexCoord2fARB || !qglMultiTexCoord3fARB) if (!qglActiveTextureARB || !qglClientActiveTextureARB || !qglMultiTexCoord2fARB)
{ {
qglActiveTextureARB = NULL; qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL; qglClientActiveTextureARB = NULL;
qglMultiTexCoord2fARB = NULL; qglMultiTexCoord2fARB = NULL;
qglMultiTexCoord3fARB = NULL;
qglMTexCoord2fSGIS = NULL; qglMTexCoord2fSGIS = NULL;
qglSelectTextureSGIS = NULL; qglSelectTextureSGIS = NULL;
gl_mtexable=false; gl_mtexable=false;
@ -530,6 +534,10 @@ void GL_Init(void *(*getglfunction) (char *name))
qglDisableClientState = (void *)getglcore("glDisableClientState"); qglDisableClientState = (void *)getglcore("glDisableClientState");
qglDrawRangeElements = (void *)getglext("glDrawRangeElements"); qglDrawRangeElements = (void *)getglext("glDrawRangeElements");
if (qglDrawRangeElements == 0)
{
qglDrawRangeElements = GL_DrawRangeElementsEmul;
}
//fixme: definatly make non-core //fixme: definatly make non-core
qglStencilOp = (void *)getglcore("glStencilOp"); qglStencilOp = (void *)getglcore("glStencilOp");