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-rw-r--r--src/mesa/drivers/glide/fxvb.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/src/mesa/drivers/glide/fxvb.c b/src/mesa/drivers/glide/fxvb.c
index 8b731355b5..34ada61f4e 100644
--- a/src/mesa/drivers/glide/fxvb.c
+++ b/src/mesa/drivers/glide/fxvb.c
@@ -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,