Mesa (master): i965/gen6: Fix point sprite texture coordinate overrides.
Eric Anholt
anholt at kemper.freedesktop.org
Thu Jun 9 15:48:41 UTC 2011
Module: Mesa
Branch: master
Commit: f304bb8a5d040d99db47a65813d216d11c66fb47
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f304bb8a5d040d99db47a65813d216d11c66fb47
Author: Eric Anholt <eric at anholt.net>
Date: Sun Jun 5 11:50:00 2011 -0700
i965/gen6: Fix point sprite texture coordinate overrides.
We were assuming that the input attribute n to the FS was
FRAG_ATTRIB_TEXn, which happened to be true often enough for our
testcases.
Acked-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/gen6_sf_state.c | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/gen6_sf_state.c b/src/mesa/drivers/dri/i965/gen6_sf_state.c
index 45bd269..75a8509 100644
--- a/src/mesa/drivers/dri/i965/gen6_sf_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_sf_state.c
@@ -231,13 +231,6 @@ upload_sf_state(struct brw_context *brw)
(1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT);
}
- if (ctx->Point.PointSprite) {
- for (i = 0; i < 8; i++) {
- if (ctx->Point.CoordReplace[i])
- dw16 |= (1 << i);
- }
- }
-
/* flat shading */
if (ctx->Light.ShadeModel == GL_FLAT) {
dw17 |= ((brw->fragment_program->Base.InputsRead & (FRAG_BIT_COL0 | FRAG_BIT_COL1)) >>
@@ -251,6 +244,13 @@ upload_sf_state(struct brw_context *brw)
if (!(brw->fragment_program->Base.InputsRead & BITFIELD64_BIT(attr)))
continue;
+ /* _NEW_POINT */
+ if (ctx->Point.PointSprite &&
+ (attr >= FRAG_ATTRIB_TEX0 && attr <= FRAG_ATTRIB_TEX7) &&
+ ctx->Point.CoordReplace[attr - FRAG_ATTRIB_TEX0]) {
+ dw16 |= (1 << input_index);
+ }
+
/* The hardware can only do the overrides on 16 overrides at a
* time, and the other up to 16 have to be lined up so that the
* input index = the output index. We'll need to do some
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