diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp index cb822168d16..71013eb63b5 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp @@ -2183,7 +2183,15 @@ NVC0LoweringPass::handleLDST(Instruction *i) int8_t fileIndex = i->getSrc(0)->reg.fileIndex - 1; Value *ind = i->getIndirect(0, 1); - // TODO: clamp the offset to the maximum number of const buf. + if (ind) { + // Clamp the UBO index when an indirect access is used to avoid + // loading information from the wrong place in the driver cb. + ind = bld.mkOp2v(OP_MIN, TYPE_U32, ind, + bld.mkOp2v(OP_ADD, TYPE_U32, bld.getSSA(), + ind, bld.loadImm(NULL, fileIndex)), + bld.loadImm(NULL, 12)); + } + if (i->src(0).isIndirect(1)) { Value *offset = bld.loadImm(NULL, i->getSrc(0)->reg.data.offset + typeSizeof(i->sType)); Value *ptr = loadUboInfo64(ind, fileIndex * 16); |