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Fix for glerror on compilation of list containing gldrawelements calls

This commit is contained in:
Keith Whitwell 1999-11-04 19:42:28 +00:00
parent 486e1f982e
commit 30990a65f8
1 changed files with 22 additions and 7 deletions
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29
src/mesa/main/varray.c
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@ -1,4 +1,4 @@
/* $Id: varray.c,v 1.5 1999/10/19 18:37:05 keithw Exp $ */
/* $Id: varray.c,v 1.6 1999/11/04 19:42:28 keithw Exp $ */
/*
* Mesa 3-D graphics library
@ -825,34 +825,49 @@ void gl_DrawArrays( GLcontext *ctx, GLenum mode, GLint start, GLsizei count )
/* KW: Exactly fakes the effects of calling glArrayElement multiple times.
* Compilation is handled via. the IM->maybe_transform_vb() callback.
*/
#if 1
#define DRAW_ELT(FUNC, TYPE) \
static void FUNC( GLcontext *ctx, GLenum mode, \
TYPE *indices, GLuint count ) \
{ \
GLuint i,j; \
\
if (count) gl_Begin( ctx, mode ); \
gl_Begin( ctx, mode ); \
\
for (j = 0 ; j < count ; ) { \
GLuint nr = MIN2( VB_MAX, count - j + VB_START ); \
struct immediate *IM = ctx->input; \
GLuint sf = IM->Flag[VB_START]; \
GLuint start = IM->Start; \
GLuint nr = MIN2( VB_MAX, count - j + start ); \
GLuint sf = IM->Flag[start]; \
IM->FlushElt |= IM->ArrayEltFlush; \
\
for (i = VB_START ; i < nr ; i++) { \
for (i = start ; i < nr ; i++) { \
IM->Elt[i] = (GLuint) *indices++; \
IM->Flag[i] = VERT_ELT; \
} \
\
if (j == 0) IM->Flag[IM->Start] |= sf; \
if (j == 0) IM->Flag[start] |= sf; \
\
IM->Count = nr; \
j += nr - VB_START; \
j += nr - start; \
\
if (j == count) gl_End( ctx ); \
IM->maybe_transform_vb( IM ); \
} \
}
#else
#define DRAW_ELT(FUNC, TYPE) \
static void FUNC( GLcontext *ctx, GLenum mode, \
TYPE *indices, GLuint count ) \
{ \
int i; \
glBegin(mode); \
for (i = 0 ; i < count ; i++) \
glArrayElement( indices[i] ); \
glEnd(); \
}
#endif
DRAW_ELT( draw_elt_ubyte, GLubyte )
DRAW_ELT( draw_elt_ushort, GLushort )