Displaying 4 results from an estimated 4 matches for "dpdx".
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dpdk
2017 Dec 20
2
[PATCH] gm107/ir: use lane 0 for manual textureGrad handling
...Imm(l), bld.mkImm(SHFL_BOUND_QUAD));
- add = bld.mkOp2(OP_QUADOP, TYPE_F32, crd[c], crd[c], zero);
- add->subOp = 0x00;
- add->lanes = 1; /* abused for .ndv */
+ bld.mkOp3(OP_SHFL, TYPE_F32, crd[c], i->getSrc(c + array), lane, quad);
}
// add dPdx from lane l to lanes dx
for (c = 0; c < dim; ++c) {
- bld.mkOp3(OP_SHFL, TYPE_F32, tmp, i->dPdx[c].get(), bld.mkImm(l),
- bld.mkImm(SHFL_BOUND_QUAD));
+ bld.mkOp3(OP_SHFL, TYPE_F32, tmp, i->dPdx[c].get(), lane, quad);
add = bld.mkOp2(OP_QU...
2014 Jul 05
0
[PATCH] nvc0: do quadops on the right texture coordinates for TXD
...0_ir_lowering_nvc0.cpp
@@ -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,...
2017 Dec 20
0
[PATCH] gm107/ir: use lane 0 for manual textureGrad handling
...));
> - add = bld.mkOp2(OP_QUADOP, TYPE_F32, crd[c], crd[c], zero);
> - add->subOp = 0x00;
> - add->lanes = 1; /* abused for .ndv */
> + bld.mkOp3(OP_SHFL, TYPE_F32, crd[c], i->getSrc(c + array), lane, quad);
> }
>
> // add dPdx from lane l to lanes dx
> for (c = 0; c < dim; ++c) {
> - bld.mkOp3(OP_SHFL, TYPE_F32, tmp, i->dPdx[c].get(), bld.mkImm(l),
> - bld.mkImm(SHFL_BOUND_QUAD));
> + bld.mkOp3(OP_SHFL, TYPE_F32, tmp, i->dPdx[c].get(), lane, quad);
>...
2014 Jul 05
1
[PATCH 1/2] nvc0/ir: use manual TXD when offsets are involved
Something about how we're implementing offsets for TXD is wrong, just
flip to the generic quadop-based implementation in that case.
This is the minimal fix appropriate for backporting.
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Cc: <mesa-stable at lists.freedesktop.org>
---
src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp | 3 ++-
1 file changed, 2