From 0527317e1f89ce6cb7ba4193a9196c880d223e59 Mon Sep 17 00:00:00 2001 From: Vincent Lejeune Date: Thu, 14 Feb 2013 17:26:30 +0100 Subject: r600g/llvm: Support for TBO Reviewed-by: Tom Stellard --- src/gallium/drivers/r600/r600_llvm.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'src/gallium/drivers') 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) -- cgit v1.2.3