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Check for NULL VB->EdgeFlag array.

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There might be a bug elsewhere, but this is a simple work-around for now.
See bug 12614
This commit is contained in:
Brian 2007-11-05 14:41:18 -07:00
parent a49e0726e3
commit c9ce3e8fd2
1 changed files with 10 additions and 8 deletions
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18
src/mesa/swrast_setup/ss_tritmp.h
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@ -238,14 +238,16 @@ static void TAG(quadfunc)( GLcontext *ctx, GLuint v0,
{
if (IND & SS_UNFILLED_BIT) {
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte ef1 = VB->EdgeFlag[v1];
GLubyte ef3 = VB->EdgeFlag[v3];
VB->EdgeFlag[v1] = 0;
TAG(triangle)( ctx, v0, v1, v3 );
VB->EdgeFlag[v1] = ef1;
VB->EdgeFlag[v3] = 0;
TAG(triangle)( ctx, v1, v2, v3 );
VB->EdgeFlag[v3] = ef3;
if (VB->EdgeFlag) { /* XXX this test shouldn't be needed (bug 12614) */
GLubyte ef1 = VB->EdgeFlag[v1];
GLubyte ef3 = VB->EdgeFlag[v3];
VB->EdgeFlag[v1] = 0;
TAG(triangle)( ctx, v0, v1, v3 );
VB->EdgeFlag[v1] = ef1;
VB->EdgeFlag[v3] = 0;
TAG(triangle)( ctx, v1, v2, v3 );
VB->EdgeFlag[v3] = ef3;
}
} else {
TAG(triangle)( ctx, v0, v1, v3 );
TAG(triangle)( ctx, v1, v2, v3 );