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gk104/ir: sampler doesn't matter for txf

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We actually leave the sampler unset for OP_TXF, which caused the GK104+
logic to treat some texel fetches as indirect. While this works, it's
incredibly wasteful. This only happened when the texture was > 0 (since
sampler remained == 0).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.0 11.1" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2015-12-07 16:14:53 -05:00
parent 32f05fadbb
commit 63b850403c
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
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@ -686,7 +686,7 @@ NVC0LoweringPass::handleTEX(TexInstruction *i)
i->tex.s = 0x1f;
i->setIndirectR(hnd);
i->setIndirectS(NULL);
} else if (i->tex.r == i->tex.s) {
} else if (i->tex.r == i->tex.s || i->op == OP_TXF) {
i->tex.r += prog->driver->io.texBindBase / 4;
i->tex.s = 0; // only a single cX[] value possible here
} else {