ac/nir: pass the nir variable through tcs loading.

I was going to have to add another parameter to this monster,
so we should just pass the nir_variable in, I can't find any
reason this would be a bad idea.

This needed for the next fix.

Fixes: 94f9591995 (radv/ac: add support for TCS/TES inputs/outputs.)
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 4f0c89d66c)
[Emil Velikov: move hunk {radv,ac}_nir_to_llvm.c]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>

Conflicts:
	src/amd/common/ac_nir_to_llvm.c
	src/amd/common/ac_shader_abi.h
	src/amd/vulkan/radv_nir_to_llvm.c

src/amd/common/ac_nir_to_llvm.c

@@ -2936,18 +2936,18 @@ load_tcs_varyings(struct ac_shader_abi *abi,
 
 static void
 store_tcs_output(struct ac_shader_abi *abi,
+		 const nir_variable *var,
 		 LLVMValueRef vertex_index,
 		 LLVMValueRef param_index,
 		 unsigned const_index,
-		 unsigned location,
-		 unsigned driver_location,
 		 LLVMValueRef src,
-		 unsigned component,
-		 bool is_patch,
-		 bool is_compact,
 		 unsigned writemask)
 {
 	struct nir_to_llvm_context *ctx = nir_to_llvm_context_from_abi(abi);
+	const unsigned location = var->data.location;
+	const unsigned component = var->data.location_frac;
+	const bool is_patch = var->data.patch;
+	const bool is_compact = var->data.compact;
 	LLVMValueRef dw_addr;
 	LLVMValueRef stride = NULL;
 	LLVMValueRef buf_addr = NULL;
@@ -3307,19 +3307,15 @@ visit_store_var(struct ac_nir_context *ctx,
 			LLVMValueRef vertex_index = NULL;
 			LLVMValueRef indir_index = NULL;
 			unsigned const_index = 0;
-			const unsigned location = instr->variables[0]->var->data.location;
-			const unsigned driver_location = instr->variables[0]->var->data.driver_location;
-			const unsigned comp = instr->variables[0]->var->data.location_frac;
 			const bool is_patch = instr->variables[0]->var->data.patch;
-			const bool is_compact = instr->variables[0]->var->data.compact;
 
 			get_deref_offset(ctx, instr->variables[0],
 					 false, NULL, is_patch ? NULL : &vertex_index,
 					 &const_index, &indir_index);
 
-			ctx->abi->store_tcs_outputs(ctx->abi, vertex_index, indir_index,
-						    const_index, location, driver_location,
-						    src, comp, is_patch, is_compact, writemask);
+			ctx->abi->store_tcs_outputs(ctx->abi, instr->variables[0]->var,
+						    vertex_index, indir_index,
+						    const_index, src, writemask);
 			return;
 		}
 

src/amd/common/ac_shader_abi.h

@@ -26,6 +26,8 @@
 
 #include <llvm-c/Core.h>
 
+struct nir_variable;
+
 enum ac_descriptor_type {
 	AC_DESC_IMAGE,
 	AC_DESC_FMASK,
@@ -92,15 +94,11 @@ struct ac_shader_abi {
 					   bool load_inputs);
 
 	void (*store_tcs_outputs)(struct ac_shader_abi *abi,
+				  const struct nir_variable *var,
 				  LLVMValueRef vertex_index,
 				  LLVMValueRef param_index,
 				  unsigned const_index,
-				  unsigned location,
-				  unsigned driver_location,
 				  LLVMValueRef src,
-				  unsigned component,
-				  bool is_patch,
-				  bool is_compact,
 				  unsigned writemask);
 
 	LLVMValueRef (*load_tess_coord)(struct ac_shader_abi *abi,

src/gallium/drivers/radeonsi/si_shader.c

@@ -1451,19 +1451,18 @@ static void store_output_tcs(struct lp_build_tgsi_context *bld_base,
 }
 
 static void si_nir_store_output_tcs(struct ac_shader_abi *abi,
+				    const struct nir_variable *var,
 				    LLVMValueRef vertex_index,
 				    LLVMValueRef param_index,
 				    unsigned const_index,
-				    unsigned location,
-				    unsigned driver_location,
 				    LLVMValueRef src,
-				    unsigned component,
-				    bool is_patch,
-				    bool is_compact,
 				    unsigned writemask)
 {
 	struct si_shader_context *ctx = si_shader_context_from_abi(abi);
 	struct tgsi_shader_info *info = &ctx->shader->selector->info;
+	const unsigned component = var->data.location_frac;
+	const bool is_patch = var->data.patch;
+	unsigned driver_location = var->data.driver_location;
 	LLVMValueRef dw_addr, stride;
 	LLVMValueRef buffer, base, addr;
 	LLVMValueRef values[4];