diff options
| author | Daniel Borca <dborca@users.sourceforge.net> | 2004-10-29 13:35:56 +0000 |
|---|---|---|
| committer | Daniel Borca <dborca@users.sourceforge.net> | 2004-10-29 13:35:56 +0000 |
| commit | b0996b19f0af063da5a563778acd3119cde7ce09 (patch) | |
| tree | 897b6df76d1bd34d5c232242460d8ce08b4b81b7 /src/mesa/tnl_dd | |
| parent | 03501e7a29138e030b43746dcc71781b9652a113 (diff) | |
make sure we don't generate random alpha
Diffstat (limited to 'src/mesa/tnl_dd')
| -rw-r--r-- | src/mesa/tnl_dd/t_dd_vbtmp.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/mesa/tnl_dd/t_dd_vbtmp.h b/src/mesa/tnl_dd/t_dd_vbtmp.h index f4b710dfcc..d8452f6f43 100644 --- a/src/mesa/tnl_dd/t_dd_vbtmp.h +++ b/src/mesa/tnl_dd/t_dd_vbtmp.h @@ -129,7 +129,7 @@ static void TAG(emit)( GLcontext *ctx, GLfloat (*col)[4], (*spec)[4]; GLuint tc0_stride, tc1_stride, col_stride, spec_stride, fog_stride; GLuint tc2_stride, tc3_stride; - GLuint tc0_size, tc1_size; + GLuint tc0_size, tc1_size, col_size; GLuint tc2_size, tc3_size; GLfloat (*coord)[4]; GLuint coord_stride; @@ -186,6 +186,7 @@ static void TAG(emit)( GLcontext *ctx, if (DO_RGBA) { col_stride = VB->ColorPtr[0]->stride; col = VB->ColorPtr[0]->data; + col_size = VB->ColorPtr[0]->size; } if (DO_SPEC) { @@ -244,7 +245,11 @@ static void TAG(emit)( GLcontext *ctx, UNCLAMPED_FLOAT_TO_UBYTE(v->v.color.red, col[0][0]); UNCLAMPED_FLOAT_TO_UBYTE(v->v.color.green, col[0][1]); UNCLAMPED_FLOAT_TO_UBYTE(v->v.color.blue, col[0][2]); - UNCLAMPED_FLOAT_TO_UBYTE(v->v.color.alpha, col[0][3]); + if (col_size == 4) { + UNCLAMPED_FLOAT_TO_UBYTE(v->v.color.alpha, col[0][3]); + } else { + v->v.color.alpha = CHAN_MAX; + } STRIDE_4F(col, col_stride); } if (DO_SPEC) { @@ -379,7 +384,11 @@ static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end, UNCLAMPED_FLOAT_TO_UBYTE(c->red, col[0][0]); UNCLAMPED_FLOAT_TO_UBYTE(c->green, col[0][1]); UNCLAMPED_FLOAT_TO_UBYTE(c->blue, col[0][2]); - UNCLAMPED_FLOAT_TO_UBYTE(c->alpha, col[0][3]); + if (col_size == 4) { + UNCLAMPED_FLOAT_TO_UBYTE(c->alpha, col[0][3]); + } else { + c->alpha = CHAN_MAX; + } STRIDE_4F( col, col_stride ); } /* fprintf(stderr, "vert %d: %.2f %.2f %.2f %x\n", */ |