[Mesa-dev] [PATCH 3/9] radeonsi: use is_merged shader in si_prolog_get_rw_buffers

Marek Olšák maraeo at gmail.com
Tue Aug 21 03:23:33 UTC 2018


From: Marek Olšák <marek.olsak at amd.com>

needed to change the input type to si_shader_context
---
 src/gallium/drivers/radeonsi/si_shader.c | 32 +++++++++++-------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 551671f4021..354c05e3d9d 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -94,29 +94,29 @@ static void si_build_ps_epilog_function(struct si_shader_context *ctx,
 
 static bool llvm_type_is_64bit(struct si_shader_context *ctx,
 			       LLVMTypeRef type)
 {
 	if (type == ctx->ac.i64 || type == ctx->ac.f64)
 		return true;
 
 	return false;
 }
 
-static bool is_merged_shader(struct si_shader *shader)
+static bool is_merged_shader(struct si_shader_context *ctx)
 {
-	if (shader->selector->screen->info.chip_class <= VI)
+	if (ctx->screen->info.chip_class <= VI)
 		return false;
 
-	return shader->key.as_ls ||
-	       shader->key.as_es ||
-	       shader->selector->type == PIPE_SHADER_TESS_CTRL ||
-	       shader->selector->type == PIPE_SHADER_GEOMETRY;
+	return ctx->shader->key.as_ls ||
+	       ctx->shader->key.as_es ||
+	       ctx->type == PIPE_SHADER_TESS_CTRL ||
+	       ctx->type == PIPE_SHADER_GEOMETRY;
 }
 
 static void si_init_function_info(struct si_function_info *fninfo)
 {
 	fninfo->num_params = 0;
 	fninfo->num_sgpr_params = 0;
 }
 
 static unsigned add_arg_assign(struct si_function_info *fninfo,
 			enum si_arg_regfile regfile, LLVMTypeRef type,
@@ -6573,21 +6573,21 @@ static void si_build_wrapper_function(struct si_shader_context *ctx,
 		assert(ac_is_sgpr_param(param) == (gprs < num_sgprs));
 		assert(gprs + size <= num_sgprs + num_vgprs &&
 		       (gprs >= num_sgprs || gprs + size <= num_sgprs));
 
 		gprs += size;
 	}
 
 	si_create_function(ctx, "wrapper", NULL, 0, &fninfo,
 			   si_get_max_workgroup_size(ctx->shader));
 
-	if (is_merged_shader(ctx->shader))
+	if (is_merged_shader(ctx))
 		ac_init_exec_full_mask(&ctx->ac);
 
 	/* Record the arguments of the function as if they were an output of
 	 * a previous part.
 	 */
 	num_out = 0;
 	num_out_sgpr = 0;
 
 	for (unsigned i = 0; i < fninfo.num_params; ++i) {
 		LLVMValueRef param = LLVMGetParam(ctx->main_fn, i);
@@ -6631,21 +6631,21 @@ static void si_build_wrapper_function(struct si_shader_context *ctx,
 	/* Now chain the parts. */
 	for (unsigned part = 0; part < num_parts; ++part) {
 		LLVMValueRef in[48];
 		LLVMValueRef ret;
 		LLVMTypeRef ret_type;
 		unsigned out_idx = 0;
 		unsigned num_params = LLVMCountParams(parts[part]);
 
 		/* Merged shaders are executed conditionally depending
 		 * on the number of enabled threads passed in the input SGPRs. */
-		if (is_merged_shader(ctx->shader) && part == 0) {
+		if (is_merged_shader(ctx) && part == 0) {
 			LLVMValueRef ena, count = initial[3];
 
 			count = LLVMBuildAnd(builder, count,
 					     LLVMConstInt(ctx->i32, 0x7f, 0), "");
 			ena = LLVMBuildICmp(builder, LLVMIntULT,
 					    ac_get_thread_id(&ctx->ac), count, "");
 			lp_build_if(&if_state, &ctx->gallivm, ena);
 		}
 
 		/* Derive arguments for the next part from outputs of the
@@ -6693,21 +6693,21 @@ static void si_build_wrapper_function(struct si_shader_context *ctx,
 					arg = LLVMBuildBitCast(builder, arg, param_type, "");
 				}
 			}
 
 			in[param_idx] = arg;
 			out_idx += param_size;
 		}
 
 		ret = LLVMBuildCall(builder, parts[part], in, num_params, "");
 
-		if (is_merged_shader(ctx->shader) &&
+		if (is_merged_shader(ctx) &&
 		    part + 1 == next_shader_first_part) {
 			lp_build_endif(&if_state);
 
 			/* The second half of the merged shader should use
 			 * the inputs from the toplevel (wrapper) function,
 			 * not the return value from the last call.
 			 *
 			 * That's because the last call was executed condi-
 			 * tionally, so we can't consume it in the main
 			 * block.
@@ -7027,21 +7027,21 @@ int si_compile_tgsi_shader(struct si_screen *sscreen,
 			/* Just terminate the process, because dependent
 			 * shaders can hang due to bad input data, but use
 			 * the env var to allow shader-db to work.
 			 */
 			if (!debug_get_bool_option("SI_PASS_BAD_SHADERS", false))
 				abort();
 		}
 	}
 
 	/* Add the scratch offset to input SGPRs. */
-	if (shader->config.scratch_bytes_per_wave && !is_merged_shader(shader))
+	if (shader->config.scratch_bytes_per_wave && !is_merged_shader(&ctx))
 		shader->info.num_input_sgprs += 1; /* scratch byte offset */
 
 	/* Calculate the number of fragment input VGPRs. */
 	if (ctx.type == PIPE_SHADER_FRAGMENT) {
 		shader->info.num_input_vgprs = 0;
 		shader->info.face_vgpr_index = -1;
 		shader->info.ancillary_vgpr_index = -1;
 
 		if (G_0286CC_PERSP_SAMPLE_ENA(shader->config.spi_ps_input_addr))
 			shader->info.num_input_vgprs += 2;
@@ -7173,36 +7173,32 @@ si_get_shader_part(struct si_screen *sscreen,
 
 out:
 	si_llvm_dispose(&ctx);
 	mtx_unlock(&sscreen->shader_parts_mutex);
 	return result;
 }
 
 static LLVMValueRef si_prolog_get_rw_buffers(struct si_shader_context *ctx)
 {
 	LLVMValueRef ptr[2], list;
-	bool is_merged_shader =
-		ctx->screen->info.chip_class >= GFX9 &&
-		(ctx->type == PIPE_SHADER_TESS_CTRL ||
-		 ctx->type == PIPE_SHADER_GEOMETRY ||
-		 ctx->shader->key.as_ls || ctx->shader->key.as_es);
+	bool merged_shader = is_merged_shader(ctx);
 
 	if (HAVE_32BIT_POINTERS) {
-		ptr[0] = LLVMGetParam(ctx->main_fn, (is_merged_shader ? 8 : 0) + SI_SGPR_RW_BUFFERS);
+		ptr[0] = LLVMGetParam(ctx->main_fn, (merged_shader ? 8 : 0) + SI_SGPR_RW_BUFFERS);
 		list = LLVMBuildIntToPtr(ctx->ac.builder, ptr[0],
 					 ac_array_in_const32_addr_space(ctx->v4i32), "");
 		return list;
 	}
 
 	/* Get the pointer to rw buffers. */
-	ptr[0] = LLVMGetParam(ctx->main_fn, (is_merged_shader ? 8 : 0) + SI_SGPR_RW_BUFFERS);
-	ptr[1] = LLVMGetParam(ctx->main_fn, (is_merged_shader ? 8 : 0) + SI_SGPR_RW_BUFFERS + 1);
+	ptr[0] = LLVMGetParam(ctx->main_fn, (merged_shader ? 8 : 0) + SI_SGPR_RW_BUFFERS);
+	ptr[1] = LLVMGetParam(ctx->main_fn, (merged_shader ? 8 : 0) + SI_SGPR_RW_BUFFERS + 1);
 	list = ac_build_gather_values(&ctx->ac, ptr, 2);
 	list = LLVMBuildBitCast(ctx->ac.builder, list, ctx->i64, "");
 	list = LLVMBuildIntToPtr(ctx->ac.builder, list,
 				 ac_array_in_const_addr_space(ctx->v4i32), "");
 	return list;
 }
 
 /**
  * Build the vertex shader prolog function.
  *
-- 
2.17.1



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