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authorBrian Paul <brian.paul@tungstengraphics.com>2003-10-02 17:36:43 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2003-10-02 17:36:43 +0000
commita75246f8f5fa951d62b6b40db5bf47517b50d459 (patch)
treed41798ebe7819f53f4ef69cf8cd752e367eb84e1 /src/mesa/drivers/glide/fxvbtmp.h
parentd6643331ab1a2215338be19177296d255170c798 (diff)
updates from Daniel Borca
Diffstat (limited to 'src/mesa/drivers/glide/fxvbtmp.h')
-rw-r--r--src/mesa/drivers/glide/fxvbtmp.h34
1 files changed, 20 insertions, 14 deletions
diff --git a/src/mesa/drivers/glide/fxvbtmp.h b/src/mesa/drivers/glide/fxvbtmp.h
index e53cf981f50..d1a022ff5e4 100644
--- a/src/mesa/drivers/glide/fxvbtmp.h
+++ b/src/mesa/drivers/glide/fxvbtmp.h
@@ -1,4 +1,4 @@
-/* $Id: fxvbtmp.h,v 1.12 2002/10/29 20:28:57 brianp Exp $ */
+/* $Id: fxvbtmp.h,v 1.13 2003/10/02 17:36:45 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -45,6 +45,7 @@ static void TAG(emit)( GLcontext *ctx,
GLuint proj_stride = VB->NdcPtr->stride;
GrVertex *v = (GrVertex *)dest;
GLfloat u0scale,v0scale,u1scale,v1scale;
+ const GLubyte *mask = VB->ClipMask;
const GLfloat *const s = ctx->Viewport._WindowMap.m;
int i;
@@ -86,11 +87,16 @@ static void TAG(emit)( GLcontext *ctx,
for (i=start; i < end; i++, v++) {
if (IND & SETUP_XYZW) {
- /* unclipped */
- v->x = s[0] * proj[0][0] + s[12];
- v->y = s[5] * proj[0][1] + s[13];
- v->ooz = s[10] * proj[0][2] + s[14];
- v->oow = proj[0][3];
+ if (mask[i] == 0) {
+ /* unclipped */
+ v->x = s[0] * proj[0][0] + s[12];
+ v->y = s[5] * proj[0][1] + s[13];
+ v->ooz = s[10] * proj[0][2] + s[14];
+ v->oow = proj[0][3];
+ } else {
+ /* clipped */
+ v->oow = 1.0;
+ }
if (IND & SETUP_SNAP) {
#if defined(USE_IEEE)
@@ -108,10 +114,10 @@ static void TAG(emit)( GLcontext *ctx,
proj = (GLfloat (*)[4])((GLubyte *)proj + proj_stride);
}
if (IND & SETUP_RGBA) {
- v->r = (GLfloat) col[0][0];
- v->g = (GLfloat) col[0][1];
- v->b = (GLfloat) col[0][2];
- v->a = (GLfloat) col[0][3];
+ v->pargb[2] = col[0][0];
+ v->pargb[1] = col[0][1];
+ v->pargb[0] = col[0][2];
+ v->pargb[3] = col[0][3];
STRIDE_4UB(col, col_stride);
}
if (IND & SETUP_TMU0) {
@@ -210,10 +216,10 @@ static void TAG(interp)( GLcontext *ctx,
}
- INTERP_F( t, dst->r, out->r, in->r );
- INTERP_F( t, dst->g, out->g, in->g );
- INTERP_F( t, dst->b, out->b, in->b );
- INTERP_F( t, dst->a, out->a, in->a );
+ INTERP_UB( t, dst->pargb[0], out->pargb[0], in->pargb[0] );
+ INTERP_UB( t, dst->pargb[1], out->pargb[1], in->pargb[1] );
+ INTERP_UB( t, dst->pargb[2], out->pargb[2], in->pargb[2] );
+ INTERP_UB( t, dst->pargb[3], out->pargb[3], in->pargb[3] );
if (IND & SETUP_TMU0) {
if (IND & SETUP_PTEX) {