diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp index 5f0f2e72231..c459d60759b 100644 --- a/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp +++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp @@ -728,13 +728,31 @@ NVC0LoweringPass::handleTEX(TexInstruction *i) if (i->tex.useOffsets) { uint32_t value = 0; int n, c; - int s = i->srcCount(0xff); + int s = i->srcCount(0xff, true); + if (i->srcExists(s)) // move potential predicate out of the way + i->moveSources(s, 1); for (n = 0; n < i->tex.useOffsets; ++n) for (c = 0; c < 3; ++c) value |= (i->tex.offset[n][c] & 0xf) << (n * 12 + c * 4); i->setSrc(s, bld.loadImm(NULL, value)); } + if (prog->getTarget()->getChipset() >= NVISA_GK104_CHIPSET) { + // + // If TEX requires more than 4 sources, the 2nd register tuple must be + // aligned to 4, even if it consists of just a single 4-byte register. + // + // XXX HACK: We insert 0 sources to avoid the 5 or 6 regs case. + // + int s = i->srcCount(0xff, true); + if (s > 4 && s < 7) { + if (i->srcExists(s)) // move potential predicate out of the way + i->moveSources(s, 7 - s); + while (s < 7) + i->setSrc(s++, bld.loadImm(NULL, 0)); + } + } + return true; } |