[Mesa-dev] [PATCH 3/4] r600g/llvm: Fix texelFetchOffset-2D

Vincent Lejeune vljn at ovi.com
Mon May 20 07:49:21 PDT 2013


---
 src/gallium/drivers/r600/r600_llvm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_llvm.c b/src/gallium/drivers/r600/r600_llvm.c
index 3d2c492..c1809b3 100644
--- a/src/gallium/drivers/r600/r600_llvm.c
+++ b/src/gallium/drivers/r600/r600_llvm.c
@@ -460,6 +460,12 @@ static void llvm_emit_tex(
 	for (c = 1; c < emit_data->arg_count; ++c)
 		args[c] = emit_data->args[c];
 
+	if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_TXF) {
+		args[1] = LLVMBuildShl(gallivm->builder, args[1], lp_build_const_int32(gallivm, 1), "");
+		args[2] = LLVMBuildShl(gallivm->builder, args[2], lp_build_const_int32(gallivm, 1), "");
+		args[3] = LLVMBuildShl(gallivm->builder, args[3], lp_build_const_int32(gallivm, 1), "");
+	}
+
 	sampler_src = emit_data->inst->Instruction.NumSrcRegs-1;
 
 	args[c++] = lp_build_const_int32(gallivm,
-- 
1.8.2.1



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