diff options
| author | Vincent Lejeune <vljn@ovi.com> | 2013-02-14 17:26:30 +0100 |
|---|---|---|
| committer | Vincent Lejeune <vljn@ovi.com> | 2013-02-18 15:08:59 +0100 |
| commit | 0527317e1f89ce6cb7ba4193a9196c880d223e59 (patch) | |
| tree | d98d26077b9d332299c9223b1c6ff203a67bc6ac | |
| parent | c116598f863db2e580ccb7c7a0613f2541cc0fea (diff) | |
r600g/llvm: Support for TBO
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
| -rw-r--r-- | src/gallium/drivers/r600/r600_llvm.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_llvm.c b/src/gallium/drivers/r600/r600_llvm.c index 59047e7779b..aee7cea0d5a 100644 --- a/src/gallium/drivers/r600/r600_llvm.c +++ b/src/gallium/drivers/r600/r600_llvm.c @@ -412,6 +412,34 @@ 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; + return; + } + 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); + } + return; + default: + break; + } + } + assert(emit_data->arg_count + 2 <= Elements(args)); for (c = 0; c < emit_data->arg_count; ++c) |