[Mesa-dev] [PATCH] r600g: tgsi to llvm emits stream output intrinsics.

[Aaron Watry]

> diff --git a/src/gallium/drivers/r600/r600_llvm.c b/src/gallium/drivers/r600/r600_llvm.c
> index 8f1ed26..14c0205 100644
> --- a/src/gallium/drivers/r600/r600_llvm.c
> +++ b/src/gallium/drivers/r600/r600_llvm.c
> @@ -229,11 +229,32 @@ static void llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
>   {
>   	struct radeon_llvm_context * ctx = radeon_llvm_context(bld_base);
>   	struct lp_build_context * base = &bld_base->base;
> +	struct pipe_stream_output_info * so = ctx->stream_outputs;
>   	unsigned i;
>   	
>   	unsigned color_count = 0;
>   	boolean has_color = false;
>   
> +	if (ctx->type == TGSI_PROCESSOR_VERTEX && so->num_outputs) {
> +		printf("I have %d so\n", so->num_outputs);

Did you mean to leave that printf there?

> +		for (i = 0; i < so->num_outputs; i++) {
> +			unsigned register_index = so->output[i].register_index;
> +			unsigned start_component = so->output[i].start_component;
> +			unsigned num_component = so->output[i].num_components;
> +			unsigned dst_offset = so->output[i].dst_offset;
> +			unsigned chan;
> +			for (chan = start_component; chan < start_component + num_component; chan++) {
> +				LLVMValueRef args[3];
> +				args[0] = LLVMBuildLoad(base->gallivm->builder,
> +					ctx->soa.outputs[register_index][chan], "");
> +				args[1] = lp_build_const_int32(base->gallivm, 4 * (dst_offset - start_component) + chan);
> +				args[2] = lp_build_const_int32(base->gallivm, so->output[i].output_buffer);
> +				lp_build_intrinsic(base->gallivm->builder, "llvm.R600.store.stream.output",
> +					LLVMVoidTypeInContext(base->gallivm->context), args, 3);
> +			}
> +		}
> +	}
> +
>   	/* Add the necessary export instructions */
>   	for (i = 0; i < ctx->output_reg_count; i++) {
>   		unsigned chan;