r600/llvm: Fix texbuf for pre EG gen

diff --git a/src/gallium/drivers/r600/r600_llvm.c b/src/gallium/drivers/r600/r600_llvm.c
index 34dd3addbb0b47637e5a7bd4561b8556cbabc910..d7fa5f88d3a0024ef15b74222d876d140966bcd3 100644 (file)
--- a/src/gallium/drivers/r600/r600_llvm.c
+++ b/src/gallium/drivers/r600/r600_llvm.c
@@ -427,6 +427,35 @@ static void llvm_emit_tex(
                        emit_data->output[0] = build_intrinsic(gallivm->builder,
                                                        "llvm.R600.load.texbuf",
                                                        emit_data->dst_type, args, 2, LLVMReadNoneAttribute);
+                       if (ctx->chip_class >= EVERGREEN)
+                               return;
+                       ctx->uses_tex_buffers = true;
+                       LLVMDumpValue(emit_data->output[0]);
+                       emit_data->output[0] = LLVMBuildBitCast(gallivm->builder,
+                               emit_data->output[0], LLVMVectorType(bld_base->base.int_elem_type, 4),
+                               "");
+                       LLVMValueRef Mask = llvm_load_const_buffer(bld_base,
+                               lp_build_const_int32(gallivm, 0),
+                               LLVM_R600_BUFFER_INFO_CONST_BUFFER);
+                       Mask = LLVMBuildBitCast(gallivm->builder, Mask,
+                               LLVMVectorType(bld_base->base.int_elem_type, 4), "");
+                       emit_data->output[0] = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_AND,
+                               emit_data->output[0],
+                               Mask);
+                       LLVMValueRef WComponent = LLVMBuildExtractElement(gallivm->builder,
+                               emit_data->output[0], lp_build_const_int32(gallivm, 3), "");
+                       Mask = llvm_load_const_buffer(bld_base, lp_build_const_int32(gallivm, 1),
+                               LLVM_R600_BUFFER_INFO_CONST_BUFFER);
+                       Mask = LLVMBuildExtractElement(gallivm->builder, Mask,
+                               lp_build_const_int32(gallivm, 0), "");
+                       Mask = LLVMBuildBitCast(gallivm->builder, Mask,
+                               bld_base->base.int_elem_type, "");
+                       WComponent = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_OR,
+                               WComponent, Mask);
+                       emit_data->output[0] = LLVMBuildInsertElement(gallivm->builder,
+                               emit_data->output[0], WComponent, lp_build_const_int32(gallivm, 3), "");
+                       emit_data->output[0] = LLVMBuildBitCast(gallivm->builder,
+                               emit_data->output[0], LLVMVectorType(bld_base->base.elem_type, 4), "");
                }
                        return;
                default: