Mesa (master): radeonsi: use tgsi_shader_info to get a list of GS outputs

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 02134cfaae541b37ffb70869401cabab4da91cb9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=02134cfaae541b37ffb70869401cabab4da91cb9

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sat Oct  4 22:07:50 2014 +0200

radeonsi: use tgsi_shader_info to get a list of GS outputs

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>

---

 src/gallium/drivers/radeonsi/si_shader.c     |   22 ++++++++++------------
 src/gallium/drivers/radeonsi/si_state_draw.c |    4 ++--
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 5ab9e55..a4073a7 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2232,6 +2232,7 @@ static void si_llvm_emit_vertex(
 	struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
 	struct lp_build_context *uint = &bld_base->uint_bld;
 	struct si_shader *shader = si_shader_ctx->shader;
+	struct tgsi_shader_info *info = &shader->selector->info;
 	struct gallivm_state *gallivm = bld_base->base.gallivm;
 	LLVMTypeRef i32 = LLVMInt32TypeInContext(gallivm->context);
 	LLVMValueRef soffset = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn,
@@ -2282,9 +2283,9 @@ static void si_llvm_emit_vertex(
 	build_intrinsic(gallivm->builder, "llvm.AMDGPU.kill",
 			LLVMVoidTypeInContext(gallivm->context), &kill, 1, 0);
 
-	for (i = 0; i < shader->noutput; i++) {
+	for (i = 0; i < info->num_outputs; i++) {
 		LLVMValueRef *out_ptr =
-			si_shader_ctx->radeon_bld.soa.outputs[shader->output[i].index];
+			si_shader_ctx->radeon_bld.soa.outputs[i];
 
 		for (chan = 0; chan < 4; chan++) {
 			LLVMValueRef out_val = LLVMBuildLoad(gallivm->builder, out_ptr[chan], "");
@@ -2693,11 +2694,12 @@ static int si_generate_gs_copy_shader(struct si_screen *sscreen,
 	struct lp_build_context *uint = &bld_base->uint_bld;
 	struct si_shader *shader = si_shader_ctx->shader;
 	struct si_shader_output_values *outputs;
+	struct tgsi_shader_info *gsinfo = &gs->selector->info;
 	LLVMValueRef t_list_ptr, t_list;
 	LLVMValueRef args[9];
 	int i, r;
 
-	outputs = MALLOC(gs->noutput * sizeof(outputs[0]));
+	outputs = MALLOC(gsinfo->num_outputs * sizeof(outputs[0]));
 
 	si_shader_ctx->type = TGSI_PROCESSOR_VERTEX;
 	shader->is_gs_copy_shader = true;
@@ -2727,15 +2729,12 @@ static int si_generate_gs_copy_shader(struct si_screen *sscreen,
 	args[8] = uint->zero; /* TFE */
 
 	/* Fetch vertex data from GSVS ring */
-	for (i = 0; i < gs->noutput; ++i) {
-		struct si_shader_output *out = gs->output + i;
+	for (i = 0; i < gsinfo->num_outputs; ++i) {
 		unsigned chan;
 
-		shader->output[i] = *out;
-
-		outputs[i].name = out->name;
-		outputs[i].index = out->index;
-		outputs[i].sid = out->sid;
+		outputs[i].name = gsinfo->output_semantic_name[i];
+		outputs[i].index = i;
+		outputs[i].sid = gsinfo->output_semantic_index[i];
 
 		for (chan = 0; chan < 4; chan++) {
 			args[2] = lp_build_const_int32(gallivm,
@@ -2752,9 +2751,8 @@ static int si_generate_gs_copy_shader(struct si_screen *sscreen,
 						 base->elem_type, "");
 		}
 	}
-	shader->noutput = gs->noutput;
 
-	si_llvm_export_vs(bld_base, outputs, gs->noutput);
+	si_llvm_export_vs(bld_base, outputs, gsinfo->num_outputs);
 
 	radeon_llvm_finalize_module(&si_shader_ctx->radeon_bld);
 
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 78f0535..0a614a1 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -80,7 +80,7 @@ static void si_shader_es(struct pipe_context *ctx, struct si_shader *shader)
 static void si_shader_gs(struct pipe_context *ctx, struct si_shader *shader)
 {
 	struct si_context *sctx = (struct si_context *)ctx;
-	unsigned gs_vert_itemsize = shader->noutput * (16 >> 2);
+	unsigned gs_vert_itemsize = shader->selector->info.num_outputs * (16 >> 2);
 	unsigned gs_max_vert_out = shader->selector->gs_max_out_vertices;
 	unsigned gsvs_itemsize = gs_vert_itemsize * gs_max_vert_out;
 	unsigned cut_mode;
@@ -633,7 +633,7 @@ static void si_update_derived_state(struct si_context *sctx)
 		si_set_ring_buffer(ctx, PIPE_SHADER_GEOMETRY, SI_RING_GSVS,
 				   sctx->gsvs_ring,
 				   sctx->gs_shader->gs_max_out_vertices *
-				   sctx->gs_shader->current->noutput * 16,
+				   sctx->gs_shader->info.num_outputs * 16,
 				   64, true, true, 4, 16);
 
 		if (!sctx->gs_on) {