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authorEric Anholt <[email protected]>2011-07-13 10:56:37 -0700
committerEric Anholt <[email protected]>2011-07-18 11:26:33 -0700
commitfceda4342cadc22ce86877a19bf82b86eb022d79 (patch)
tree219eb046be19a0e3ec98648c920d7cddf01f1e11 /src/mesa/drivers/dri/i915
parentaf9548d3358884b408fb4c3cc69028befc5abe1d (diff)
i915: Include gl_FragCoord.w data, not just xyz.
Fixes piglit fragcoord_w test. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34323
Diffstat (limited to 'src/mesa/drivers/dri/i915')
-rw-r--r--src/mesa/drivers/dri/i915/i915_fragprog.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c
index e9e8078328a..ac95d44b574 100644
--- a/src/mesa/drivers/dri/i915/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915/i915_fragprog.c
@@ -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);
}