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gm107/ra: fix constraints for surface operations

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Samuel Pitoiset 2016-05-19 11:59:25 +02:00
parent c68989b2c8
commit e14cb05ce1
1 changed files with 23 additions and 2 deletions
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25
src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
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@ -2093,8 +2093,29 @@ RegAlloc::InsertConstraintsPass::texConstraintGM107(TexInstruction *tex)
textureMask(tex);
condenseDefs(tex);
if (tex->op == OP_SUSTB || tex->op == OP_SUSTP) {
condenseSrcs(tex, 3, (3 + typeSizeof(tex->dType) / 4) - 1);
if (isSurfaceOp(tex->op)) {
int s = tex->tex.target.getDim() +
(tex->tex.target.isArray() || tex->tex.target.isCube());
int n = 0;
switch (tex->op) {
case OP_SUSTB:
case OP_SUSTP:
n = 4;
break;
case OP_SUREDB:
case OP_SUREDP:
if (tex->subOp == NV50_IR_SUBOP_ATOM_CAS)
n = 2;
break;
default:
break;
}
if (s > 1)
condenseSrcs(tex, 0, s - 1);
if (n > 1)
condenseSrcs(tex, 1, n); // do not condense the tex handle
} else
if (isTextureOp(tex->op)) {
if (tex->op != OP_TXQ) {