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temporary workaround for bad primitives in fx_render_vb_quads

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This commit is contained in:
Daniel Borca 2004-01-07 13:57:23 +00:00
parent 4c75d90ad2
commit 6471160770
1 changed files with 12 additions and 4 deletions
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16
src/mesa/drivers/glide/fxtris.c
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@ -400,10 +400,7 @@ static struct {
#define GET_VERTEX(e) (fxMesa->verts + e)
#ifdef USE_IEEE
/* type-punning, keep -fstrict-aliasing happy */
typedef union { GLfloat f; GLuint u; } fu_type;
/* 0/1 value, to allow XOR'ing with other booleans */
#define AREA_IS_CCW( a ) (((fu_type *)&(a))->u >> 31)
#define AREA_IS_CCW( a ) (((fi_type *)&(a))->i < 0)
#else
#define AREA_IS_CCW( a ) (a < 0)
#endif
@ -882,6 +879,17 @@ static void fx_render_vb_quads( GLcontext *ctx,
INIT(GL_QUADS);
#if 1
/* [dBorca] Hack alert:
* since VTX-0-2 we get here with start = 0, count = 2,
* causing around 4 billion triangles. Revise this after
* a while
*/
if (count < 3) {
return;
}
#endif
for (i = start ; i < count-3 ; i += 4 ) {
#define VERT(x) (fxVB + (x))
GrVertex *_v_[4];