[Mesa-dev] [PATCH] ac/nir: call glsl_get_sampler_dim() only once, where possible

[Dieter Nützel]

Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>

radeonsi | + NIR and vulkan

Am 20.01.2018 10:15, schrieb Kai Wasserbäch:
> Signed-off-by: Kai Wasserbäch <kai at dev.carbon-project.org>
> ---
> 
> Hey,
> if you accept this patch, please commit it for me – I do not have 
> commit
> access.
> 
> Thanks,
> Kai
> 
> 
>  src/amd/common/ac_nir_to_llvm.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/src/amd/common/ac_nir_to_llvm.c 
> b/src/amd/common/ac_nir_to_llvm.c
> index 2aef51be85..999e095019 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -3622,7 +3622,9 @@ static LLVMValueRef visit_image_load(struct
> ac_nir_context *ctx,
>  		type = instr->variables[0]->deref.child->type;
> 
>  	type = glsl_without_array(type);
> -	if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_BUF) {
> +
> +	const enum glsl_sampler_dim dim = glsl_get_sampler_dim(type);
> +	if (dim == GLSL_SAMPLER_DIM_BUF) {
>  		params[0] = get_sampler_desc(ctx, instr->variables[0],
> AC_DESC_BUFFER, NULL, true, false);
>  		params[1] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx,
> instr->src[0]),
>  						    ctx->ac.i32_0, ""); /* vindex */
> @@ -3636,9 +3638,9 @@ static LLVMValueRef visit_image_load(struct
> ac_nir_context *ctx,
>  		res = ac_to_integer(&ctx->ac, res);
>  	} else {
>  		bool is_da = glsl_sampler_type_is_array(type) ||
> -			     glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE ||
> -			     glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_SUBPASS ||
> -			     glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_SUBPASS_MS;
> +			     dim == GLSL_SAMPLER_DIM_CUBE ||
> +			     dim == GLSL_SAMPLER_DIM_SUBPASS ||
> +			     dim == GLSL_SAMPLER_DIM_SUBPASS_MS;
>  		LLVMValueRef da = is_da ? ctx->ac.i1true : ctx->ac.i1false;
>  		LLVMValueRef glc = ctx->ac.i1false;
>  		LLVMValueRef slc = ctx->ac.i1false;
> @@ -3678,12 +3680,13 @@ static void visit_image_store(struct
> ac_nir_context *ctx,
>  	char intrinsic_name[64];
>  	const nir_variable *var = instr->variables[0]->var;
>  	const struct glsl_type *type = glsl_without_array(var->type);
> +	const enum glsl_sampler_dim dim = glsl_get_sampler_dim(type);
>  	LLVMValueRef glc = ctx->ac.i1false;
>  	bool force_glc = ctx->ac.chip_class == SI;
>  	if (force_glc)
>  		glc = ctx->ac.i1true;
> 
> -	if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_BUF) {
> +	if (dim == GLSL_SAMPLER_DIM_BUF) {
>  		params[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[2])); /* 
> data */
>  		params[1] = get_sampler_desc(ctx, instr->variables[0],
> AC_DESC_BUFFER, NULL, true, true);
>  		params[2] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx,
> instr->src[0]),
> @@ -3695,7 +3698,7 @@ static void visit_image_store(struct 
> ac_nir_context *ctx,
>  				   params, 6, 0);
>  	} else {
>  		bool is_da = glsl_sampler_type_is_array(type) ||
> -			     glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_CUBE;
> +			     dim == GLSL_SAMPLER_DIM_CUBE;
>  		LLVMValueRef da = is_da ? ctx->ac.i1true : ctx->ac.i1false;
>  		LLVMValueRef slc = ctx->ac.i1false;