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i915: Include gl_FragCoord.w data, not just xyz. 

Fixes piglit fragcoord_w test.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34323
This commit is contained in:
Eric Anholt 2011-07-13 10:56:37 -07:00
parent af9548d335
commit fceda4342c
1 changed files with 3 additions and 3 deletions
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6
src/mesa/drivers/dri/i915/i915_fragprog.c
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@ -1346,7 +1346,7 @@ i915ValidateFragmentProgram(struct i915_context *i915)
intel->coloroffset = 0;
intel->specoffset = 0;
if (inputsRead & FRAG_BITS_TEX_ANY) {
if (inputsRead & FRAG_BITS_TEX_ANY || p->wpos_tex != -1) {
EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16);
}
else {
@ -1390,10 +1390,10 @@ i915ValidateFragmentProgram(struct i915_context *i915)
* unused texture coordinate:
*/
s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3));
s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(4));
intel->wpos_offset = offset;
intel->wpos_size = 3 * sizeof(GLuint);
intel->wpos_size = 4 * sizeof(GLuint);
EMIT_PAD(intel->wpos_size);
}