KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nvc0/ir: offset appears to come before the Z ref 

Fixes textureGatherOffset when used with a shadow sampler. Also verified
against blob compiler with textureLodOffset manually (no piglit tests
for texture[Lod]Offset + shadow samplers).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2014-04-26 20:29:47 -04:00
parent 50034c0171
commit f782d6e792
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
View File

@ -737,10 +737,12 @@ NVC0LoweringPass::handleTEX(TexInstruction *i)
assert(chipset >= NVISA_GK104_CHIPSET ||
!i->tex.useOffsets || !i->tex.target.isMS());
// offset is last source (lod 1st, dc 2nd)
// offset is between lod and dc
if (i->tex.useOffsets) {
int n, c;
int s = i->srcCount(0xff, true);
if (i->tex.target.isShadow())
s--;
if (i->srcExists(s)) // move potential predicate out of the way
i->moveSources(s, 1);
if (i->tex.useOffsets == 4 && i->srcExists(s + 1))