[Mesa-dev] [PATCH 1/5] radeon/llvm: add support to fetch temps as vectors

[Tom Stellard]

On Mon, Aug 13, 2012 at 01:29:45PM +0200, Christian König wrote:
> Necessary for texture fetches with temp regs as source on SI.
>
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>
 
> Signed-off-by: Christian König <deathsimple at vodafone.de>
> ---
>  .../drivers/radeon/radeon_setup_tgsi_llvm.c        |   12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
> index 641d277..04469e2 100644
> --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
> +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
> @@ -159,11 +159,21 @@ emit_fetch_temporary(
>  {
>  	struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
>  	LLVMBuilderRef builder = bld_base->base.gallivm->builder;
> +	if (swizzle == ~0) {
> +		LLVMValueRef values[TGSI_NUM_CHANNELS] = {};
> +		unsigned chan;
> +		for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
> +			values[chan] = emit_fetch_temporary(bld_base, reg, type, chan);
> +		}
> +		return lp_build_gather_values(bld_base->base.gallivm, values,
> +						TGSI_NUM_CHANNELS);
> +	}
> +
>  	if (reg->Register.Indirect) {
>  		LLVMValueRef array_index = emit_array_index(bld, reg, swizzle);
>  		LLVMValueRef ptr = LLVMBuildGEP(builder, bld->temps_array, &array_index,
>  						1, "");
> -	return LLVMBuildLoad(builder, ptr, "");
> +		return LLVMBuildLoad(builder, ptr, "");
>  	} else {
>  		LLVMValueRef temp_ptr;
>  		temp_ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, swizzle);
> -- 
> 1.7.9.5
> 
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev