Hi,
this patch fixes register-negate merge regression.
Tested on rs690. Anyone with r500 card willing to test it?
Regards,
Maciej Cencora
From 255e36235fdc2eceebf75f246f539107b0f4f760 Mon Sep 17 00:00:00 2001
From: Maciej Cencora <[email protected]>
Date: Sat, 18 Apr 2009 16:50:58 +0200
Subject: [PATCH] r300: fix register-negate branch merge regression
---
src/mesa/drivers/dri/r300/radeon_program_pair.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/src/mesa/drivers/dri/r300/radeon_program_pair.c b/src/mesa/drivers/dri/r300/radeon_program_pair.c
index ecc82ff..883ba93 100644
--- a/src/mesa/drivers/dri/r300/radeon_program_pair.c
+++ b/src/mesa/drivers/dri/r300/radeon_program_pair.c
@@ -721,7 +721,6 @@ static GLboolean fill_instruction_into_pair(struct pair_state *s, struct radeon_
if (pairinst->NeedRGB && !pairinst->IsTranscendent) {
GLboolean srcrgb = GL_FALSE;
GLboolean srcalpha = GL_FALSE;
- GLuint negatebase = 0;
int j;
for(j = 0; j < 3; ++j) {
GLuint swz = GET_SWZ(inst->SrcReg[i].Swizzle, j);
@@ -729,8 +728,6 @@ static GLboolean fill_instruction_into_pair(struct pair_state *s, struct radeon_
srcrgb = GL_TRUE;
else if (swz < 4)
srcalpha = GL_TRUE;
- if (swz != SWIZZLE_NIL && GET_BIT(inst->SrcReg[i].Negate, j))
- negatebase = 1;
}
source = alloc_pair_source(s, pair, inst->SrcReg[i], srcrgb, srcalpha);
if (source < 0)
@@ -738,12 +735,11 @@ static GLboolean fill_instruction_into_pair(struct pair_state *s, struct radeon_
pair->RGB.Arg[i].Source = source;
pair->RGB.Arg[i].Swizzle = inst->SrcReg[i].Swizzle & 0x1ff;
pair->RGB.Arg[i].Abs = inst->SrcReg[i].Abs;
- pair->RGB.Arg[i].Negate = (negatebase & ~pair->RGB.Arg[i].Abs) ^ inst->SrcReg[i].Negate;
+ pair->RGB.Arg[i].Negate = inst->SrcReg[i].Negate;
}
if (pairinst->NeedAlpha) {
GLboolean srcrgb = GL_FALSE;
GLboolean srcalpha = GL_FALSE;
- GLuint negatebase = GET_BIT(inst->SrcReg[i].Negate, pairinst->IsTranscendent ? 0 : 3);
GLuint swz = GET_SWZ(inst->SrcReg[i].Swizzle, pairinst->IsTranscendent ? 0 : 3);
if (swz < 3)
srcrgb = GL_TRUE;
@@ -755,7 +751,7 @@ static GLboolean fill_instruction_into_pair(struct pair_state *s, struct radeon_
pair->Alpha.Arg[i].Source = source;
pair->Alpha.Arg[i].Swizzle = swz;
pair->Alpha.Arg[i].Abs = inst->SrcReg[i].Abs;
- pair->Alpha.Arg[i].Negate = (negatebase & ~pair->RGB.Arg[i].Abs) ^ inst->SrcReg[i].Negate;
+ pair->Alpha.Arg[i].Negate = inst->SrcReg[i].Negate;
}
}
--
1.5.6.3
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