diff options
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp | 8 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 85c302f0dc3..4315707e643 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -2288,6 +2288,9 @@ Resource Access Opcodes texture arrays and 2D textures. address.w is always ignored. + A swizzle suffix may be added to the resource argument + this will cause the resource data to be swizzled accordingly. + .. opcode:: STORE - Write data to a shader resource Syntax: ``STORE resource, address, src`` diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp index 9b9f257b280..3708f3738e1 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp @@ -2385,14 +2385,18 @@ Converter::handleLOAD(Value *dst0[4]) Value *off; Symbol *sym; + uint32_t src0_component_offset = tgsi.getSrc(0).getSwizzle(c) * 4; + if (tgsi.getSrc(1).getFile() == TGSI_FILE_IMMEDIATE) { off = NULL; sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c, - tgsi.getSrc(1).getValueU32(0, info) + 4 * c); + tgsi.getSrc(1).getValueU32(0, info) + + src0_component_offset); } else { // yzw are ignored for buffers off = fetchSrc(1, 0); - sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c, 4 * c); + sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c, + src0_component_offset); } Instruction *ld = mkLoad(TYPE_U32, dst0[c], sym, off); |