---
src/gallium/drivers/r600/r600_llvm.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/gallium/drivers/r600/r600_llvm.c
b/src/gallium/drivers/r600/r600_llvm.c
index 59047e7..89bcb79 100644
--- a/src/gallium/drivers/r600/r600_llvm.c
+++ b/src/gallium/drivers/r600/r600_llvm.c
@@ -412,6 +412,35 @@ static void llvm_emit_tex(
LLVMValueRef args[6];
unsigned c, sampler_src;
+ if (emit_data->inst->Texture.Texture == TGSI_TEXTURE_BUFFER) {
+ switch (emit_data->inst->Instruction.Opcode) {
+ case TGSI_OPCODE_TXQ: {
+ LLVMValueRef offset[2] = {
+
LLVMConstInt(LLVMInt64TypeInContext(bld_base->base.gallivm->context), 0, false),
+ lp_build_const_int32(bld_base->base.gallivm, 1)
+ };
+ LLVMTypeRef const_ptr_type =
LLVMPointerType(LLVMArrayType(LLVMVectorType(bld_base->base.elem_type, 4),
1024),
+
R600_BUFFER_INFO_CONST_BUFFER);
+ LLVMValueRef const_ptr =
LLVMBuildIntToPtr(bld_base->base.gallivm->builder,
lp_build_const_int32(bld_base->base.gallivm, 0), const_ptr_type, "");
+ LLVMValueRef ptr =
LLVMBuildGEP(bld_base->base.gallivm->builder, const_ptr, offset, 2, "");
+ LLVMValueRef cvecval =
LLVMBuildLoad(bld_base->base.gallivm->builder, ptr, "");
+ emit_data->output[0] = cvecval;
+ break;
+ }
+ case TGSI_OPCODE_TXF: {
+ args[0] = LLVMBuildExtractElement(gallivm->builder,
emit_data->args[0], lp_build_const_int32(gallivm, 0), "");
+ args[1] = lp_build_const_int32(gallivm,
R600_MAX_CONST_BUFFERS);
+ emit_data->output[0] = build_intrinsic(gallivm->builder,
+ "llvm.R600.load.texbuf",
+ emit_data->dst_type,
args, 2, LLVMReadNoneAttribute);
+ }
+ break;
+ default:
+ assert(0 && "Unknow Texture Buffer Instruction !");
+ }
+ return;
+ }
+
assert(emit_data->arg_count + 2 <= Elements(args));
for (c = 0; c < emit_data->arg_count; ++c)
--
1.8.1.2
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