radeonsi: clean up tex_fetch_ptrs()

Will also help when the src sampler register will be
TGSI_FILE_CONSTANT for bindless.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 4abea85..0a93136 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -4234,23 +4234,21 @@ static void tex_fetch_ptrs(
 {
        struct si_shader_context *ctx = si_shader_context(bld_base);
        const struct tgsi_full_instruction *inst = emit_data->inst;
+       const struct tgsi_full_src_register *reg;
        unsigned target = inst->Texture.Texture;
        unsigned sampler_src;
-       unsigned sampler_index;
        LLVMValueRef index;
 
        sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1;
-       sampler_index = emit_data->inst->Src[sampler_src].Register.Index;
-
-       if (emit_data->inst->Src[sampler_src].Register.Indirect) {
-               const struct tgsi_full_src_register *reg = &emit_data->inst->Src[sampler_src];
+       reg = &emit_data->inst->Src[sampler_src];
 
+       if (reg->Register.Indirect) {
                index = get_bounded_indirect_index(ctx,
                                                   &reg->Indirect,
                                                   reg->Register.Index,
                                                   SI_NUM_SAMPLERS);
        } else {
-               index = LLVMConstInt(ctx->i32, sampler_index, 0);
+               index = LLVMConstInt(ctx->i32, reg->Register.Index, 0);
        }
 
        if (target == TGSI_TEXTURE_BUFFER)