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nvc0/ir: do quadops on the right texture coordinates for TXD

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handleTEX moves the layer as the first argument. This makes sure that
the quadops deal with the texture coordinates.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2014-07-05 00:30:45 -04:00
parent 1065aa92f4
commit afea9bae67
1 changed files with 3 additions and 2 deletions
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5
src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
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@ -712,6 +712,7 @@ NVC0LoweringPass::handleManualTXD(TexInstruction *i)
Value *zero = bld.loadImm(bld.getSSA(), 0);
int l, c;
const int dim = i->tex.target.getDim();
const int array = i->tex.target.isArray();
i->op = OP_TEX; // no need to clone dPdx/dPdy later
@ -722,7 +723,7 @@ NVC0LoweringPass::handleManualTXD(TexInstruction *i)
for (l = 0; l < 4; ++l) {
// mov coordinates from lane l to all lanes
for (c = 0; c < dim; ++c)
bld.mkQuadop(0x00, crd[c], l, i->getSrc(c), zero);
bld.mkQuadop(0x00, crd[c], l, i->getSrc(c + array), zero);
// add dPdx from lane l to lanes dx
for (c = 0; c < dim; ++c)
bld.mkQuadop(qOps[l][0], crd[c], l, i->dPdx[c].get(), crd[c]);
@ -732,7 +733,7 @@ NVC0LoweringPass::handleManualTXD(TexInstruction *i)
// texture
bld.insert(tex = cloneForward(func, i));
for (c = 0; c < dim; ++c)
tex->setSrc(c, crd[c]);
tex->setSrc(c + array, crd[c]);
// save results
for (c = 0; i->defExists(c); ++c) {
Instruction *mov;