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make sure we avoid assertion failure wrt VB->ColorPtr[1]->stride

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This commit is contained in:
Daniel Borca
2005-01-19 07:57:52 +00:00
parent 9ebce91a66
commit c98323bd89
1 changed files with 11 additions and 10 deletions
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src/mesa/drivers/glide/fxvb.c
+11 -10
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@@ -104,17 +104,18 @@ static void interp_extras( GLcontext *ctx,
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
/* If stride is zero, ColorPtr[1] is constant across the VB, so
* there is no point interpolating between two values as they will
* be identical.
*/
if (VB->ColorPtr[1]) {
assert(VB->ColorPtr[1]->stride == 4 * sizeof(GLfloat));
INTERP_4F( t,
GET_COLOR(VB->ColorPtr[1], dst),
GET_COLOR(VB->ColorPtr[1], out),
GET_COLOR(VB->ColorPtr[1], in) );
/* If stride is zero, ColorPtr[1] is constant across the VB, so
* there is no point interpolating between two values as they will
* be identical. This case is handled in t_dd_tritmp.h
*/
if (VB->ColorPtr[1]->stride) {
assert(VB->ColorPtr[1]->stride == 4 * sizeof(GLfloat));
INTERP_4F( t,
GET_COLOR(VB->ColorPtr[1], dst),
GET_COLOR(VB->ColorPtr[1], out),
GET_COLOR(VB->ColorPtr[1], in) );
}
if (VB->SecondaryColorPtr[1]) {
INTERP_3F( t,