[Mesa-dev] [PATCH 1/3] radeonsi: cleanly communicate whether si_shader_dump should check R600_DEBUG

Edward O'Callaghan funfunctor at folklore1984.net
Wed Jan 4 13:18:57 UTC 2017


This series is,
Acked-by: Edward O'Callaghan <funfunctor at folklore1984.net>

On 01/04/2017 06:17 AM, Marek Olšák wrote:
> From: Marek Olšák <marek.olsak at amd.com>
> 
> ---
>  src/gallium/drivers/radeonsi/si_compute.c       |  2 +-
>  src/gallium/drivers/radeonsi/si_debug.c         |  2 +-
>  src/gallium/drivers/radeonsi/si_shader.c        | 20 +++++++++++---------
>  src/gallium/drivers/radeonsi/si_shader.h        |  2 +-
>  src/gallium/drivers/radeonsi/si_state_shaders.c |  2 +-
>  5 files changed, 15 insertions(+), 13 deletions(-)
> 
> diff --git a/src/gallium/drivers/radeonsi/si_compute.c b/src/gallium/drivers/radeonsi/si_compute.c
> index cb14a35..fe29fb1 100644
> --- a/src/gallium/drivers/radeonsi/si_compute.c
> +++ b/src/gallium/drivers/radeonsi/si_compute.c
> @@ -163,21 +163,21 @@ static void *si_create_compute_state(
>  		radeon_elf_read(code, header->num_bytes, &program->shader.binary);
>  		if (program->use_code_object_v2) {
>  			const amd_kernel_code_t *code_object =
>  				si_compute_get_code_object(program, 0);
>  			code_object_to_config(code_object, &program->shader.config);
>  		} else {
>  			si_shader_binary_read_config(&program->shader.binary,
>  				     &program->shader.config, 0);
>  		}
>  		si_shader_dump(sctx->screen, &program->shader, &sctx->b.debug,
> -			       PIPE_SHADER_COMPUTE, stderr);
> +			       PIPE_SHADER_COMPUTE, stderr, true);
>  		if (si_shader_binary_upload(sctx->screen, &program->shader) < 0) {
>  			fprintf(stderr, "LLVM failed to upload shader\n");
>  			FREE(program);
>  			return NULL;
>  		}
>  	}
>  
>  	return program;
>  }
>  
> diff --git a/src/gallium/drivers/radeonsi/si_debug.c b/src/gallium/drivers/radeonsi/si_debug.c
> index 1090dda..a1cd9e5 100644
> --- a/src/gallium/drivers/radeonsi/si_debug.c
> +++ b/src/gallium/drivers/radeonsi/si_debug.c
> @@ -38,21 +38,21 @@ static void si_dump_shader(struct si_screen *sscreen,
>  {
>  	struct si_shader *current = state->current;
>  
>  	if (!state->cso || !current)
>  		return;
>  
>  	if (current->shader_log)
>  		fwrite(current->shader_log, current->shader_log_size, 1, f);
>  	else
>  		si_shader_dump(sscreen, state->current, NULL,
> -			       state->cso->info.processor, f);
> +			       state->cso->info.processor, f, false);
>  }
>  
>  /**
>   * Shader compiles can be overridden with arbitrary ELF objects by setting
>   * the environment variable RADEON_REPLACE_SHADERS=num1:filename1[;num2:filename2]
>   */
>  bool si_replace_shader(unsigned num, struct radeon_shader_binary *binary)
>  {
>  	const char *p = debug_get_option_replace_shaders();
>  	const char *semicolon;
> diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
> index 8dec55c..5dfbd66 100644
> --- a/src/gallium/drivers/radeonsi/si_shader.c
> +++ b/src/gallium/drivers/radeonsi/si_shader.c
> @@ -6162,21 +6162,22 @@ static void si_shader_dump_disassembly(const struct radeon_shader_binary *binary
>  				binary->code[i + 3], binary->code[i + 2],
>  				binary->code[i + 1], binary->code[i]);
>  		}
>  	}
>  }
>  
>  static void si_shader_dump_stats(struct si_screen *sscreen,
>  				 struct si_shader *shader,
>  			         struct pipe_debug_callback *debug,
>  			         unsigned processor,
> -				 FILE *file)
> +				 FILE *file,
> +				 bool check_debug_option)
>  {
>  	struct si_shader_config *conf = &shader->config;
>  	unsigned num_inputs = shader->selector ? shader->selector->info.num_inputs : 0;
>  	unsigned code_size = si_get_shader_binary_size(shader);
>  	unsigned lds_increment = sscreen->b.chip_class >= CIK ? 512 : 256;
>  	unsigned lds_per_wave = 0;
>  	unsigned max_simd_waves = 10;
>  
>  	/* Compute LDS usage for PS. */
>  	switch (processor) {
> @@ -6213,21 +6214,21 @@ static void si_shader_dump_stats(struct si_screen *sscreen,
>  	}
>  
>  	if (conf->num_vgprs)
>  		max_simd_waves = MIN2(max_simd_waves, 256 / conf->num_vgprs);
>  
>  	/* LDS is 64KB per CU (4 SIMDs), which is 16KB per SIMD (usage above
>  	 * 16KB makes some SIMDs unoccupied). */
>  	if (lds_per_wave)
>  		max_simd_waves = MIN2(max_simd_waves, 16384 / lds_per_wave);
>  
> -	if (file != stderr ||
> +	if (!check_debug_option ||
>  	    r600_can_dump_shader(&sscreen->b, processor)) {
>  		if (processor == PIPE_SHADER_FRAGMENT) {
>  			fprintf(file, "*** SHADER CONFIG ***\n"
>  				"SPI_PS_INPUT_ADDR = 0x%04x\n"
>  				"SPI_PS_INPUT_ENA  = 0x%04x\n",
>  				conf->spi_ps_input_addr, conf->spi_ps_input_ena);
>  		}
>  
>  		fprintf(file, "*** SHADER STATS ***\n"
>  			"SGPRS: %d\n"
> @@ -6284,50 +6285,51 @@ static const char *si_get_shader_name(struct si_shader *shader,
>  		return "Pixel Shader";
>  	case PIPE_SHADER_COMPUTE:
>  		return "Compute Shader";
>  	default:
>  		return "Unknown Shader";
>  	}
>  }
>  
>  void si_shader_dump(struct si_screen *sscreen, struct si_shader *shader,
>  		    struct pipe_debug_callback *debug, unsigned processor,
> -		    FILE *file)
> +		    FILE *file, bool check_debug_option)
>  {
> -	if (file != stderr ||
> +	if (!check_debug_option ||
>  	    r600_can_dump_shader(&sscreen->b, processor))
>  		si_dump_shader_key(processor, &shader->key, file);
>  
> -	if (file != stderr && shader->binary.llvm_ir_string) {
> +	if (!check_debug_option && shader->binary.llvm_ir_string) {
>  		fprintf(file, "\n%s - main shader part - LLVM IR:\n\n",
>  			si_get_shader_name(shader, processor));
>  		fprintf(file, "%s\n", shader->binary.llvm_ir_string);
>  	}
>  
> -	if (file != stderr ||
> +	if (!check_debug_option ||
>  	    (r600_can_dump_shader(&sscreen->b, processor) &&
>  	     !(sscreen->b.debug_flags & DBG_NO_ASM))) {
>  		fprintf(file, "\n%s:\n", si_get_shader_name(shader, processor));
>  
>  		if (shader->prolog)
>  			si_shader_dump_disassembly(&shader->prolog->binary,
>  						   debug, "prolog", file);
>  
>  		si_shader_dump_disassembly(&shader->binary, debug, "main", file);
>  
>  		if (shader->epilog)
>  			si_shader_dump_disassembly(&shader->epilog->binary,
>  						   debug, "epilog", file);
>  		fprintf(file, "\n");
>  	}
>  
> -	si_shader_dump_stats(sscreen, shader, debug, processor, file);
> +	si_shader_dump_stats(sscreen, shader, debug, processor, file,
> +			     check_debug_option);
>  }
>  
>  int si_compile_llvm(struct si_screen *sscreen,
>  		    struct radeon_shader_binary *binary,
>  		    struct si_shader_config *conf,
>  		    LLVMTargetMachineRef tm,
>  		    LLVMModuleRef mod,
>  		    struct pipe_debug_callback *debug,
>  		    unsigned processor,
>  		    const char *name)
> @@ -6546,21 +6548,21 @@ si_generate_gs_copy_shader(struct si_screen *sscreen,
>  
>  	r = si_compile_llvm(sscreen, &ctx.shader->binary,
>  			    &ctx.shader->config, ctx.tm,
>  			    bld_base->base.gallivm->module,
>  			    debug, PIPE_SHADER_GEOMETRY,
>  			    "GS Copy Shader");
>  	if (!r) {
>  		if (r600_can_dump_shader(&sscreen->b, PIPE_SHADER_GEOMETRY))
>  			fprintf(stderr, "GS Copy Shader:\n");
>  		si_shader_dump(sscreen, ctx.shader, debug,
> -			       PIPE_SHADER_GEOMETRY, stderr);
> +			       PIPE_SHADER_GEOMETRY, stderr, true);
>  		r = si_shader_binary_upload(sscreen, ctx.shader);
>  	}
>  
>  	si_llvm_dispose(&ctx);
>  
>  	FREE(outputs);
>  
>  	if (r != 0) {
>  		FREE(shader);
>  		shader = NULL;
> @@ -8604,21 +8606,21 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm,
>  		if (shader->epilog) {
>  			shader->config.num_sgprs = MAX2(shader->config.num_sgprs,
>  							shader->epilog->config.num_sgprs);
>  			shader->config.num_vgprs = MAX2(shader->config.num_vgprs,
>  							shader->epilog->config.num_vgprs);
>  		}
>  	}
>  
>  	si_fix_resource_usage(sscreen, shader);
>  	si_shader_dump(sscreen, shader, debug, sel->info.processor,
> -		       stderr);
> +		       stderr, true);
>  
>  	/* Upload. */
>  	r = si_shader_binary_upload(sscreen, shader);
>  	if (r) {
>  		fprintf(stderr, "LLVM failed to upload shader\n");
>  		return r;
>  	}
>  
>  	return 0;
>  }
> diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h
> index 129e571..1b5dec2 100644
> --- a/src/gallium/drivers/radeonsi/si_shader.h
> +++ b/src/gallium/drivers/radeonsi/si_shader.h
> @@ -539,21 +539,21 @@ int si_compile_llvm(struct si_screen *sscreen,
>  		    LLVMModuleRef mod,
>  		    struct pipe_debug_callback *debug,
>  		    unsigned processor,
>  		    const char *name);
>  void si_shader_destroy(struct si_shader *shader);
>  unsigned si_shader_io_get_unique_index(unsigned semantic_name, unsigned index);
>  unsigned si_shader_io_get_unique_index2(unsigned name, unsigned index);
>  int si_shader_binary_upload(struct si_screen *sscreen, struct si_shader *shader);
>  void si_shader_dump(struct si_screen *sscreen, struct si_shader *shader,
>  		    struct pipe_debug_callback *debug, unsigned processor,
> -		    FILE *f);
> +		    FILE *f, bool check_debug_option);
>  void si_multiwave_lds_size_workaround(struct si_screen *sscreen,
>  				      unsigned *lds_size);
>  void si_shader_apply_scratch_relocs(struct si_context *sctx,
>  			struct si_shader *shader,
>  			struct si_shader_config *config,
>  			uint64_t scratch_va);
>  void si_shader_binary_read_config(struct radeon_shader_binary *binary,
>  				  struct si_shader_config *conf,
>  				  unsigned symbol_offset);
>  unsigned si_get_spi_shader_z_format(bool writes_z, bool writes_stencil,
> diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
> index a360672..9967837 100644
> --- a/src/gallium/drivers/radeonsi/si_state_shaders.c
> +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
> @@ -1103,21 +1103,21 @@ static void si_build_shader_variant(void *job, int thread_index)
>  		R600_ERR("Failed to build shader variant (type=%u) %d\n",
>  			 sel->type, r);
>  		shader->compilation_failed = true;
>  		return;
>  	}
>  
>  	if (sel->is_debug_context) {
>  		FILE *f = open_memstream(&shader->shader_log,
>  					 &shader->shader_log_size);
>  		if (f) {
> -			si_shader_dump(sscreen, shader, NULL, sel->type, f);
> +			si_shader_dump(sscreen, shader, NULL, sel->type, f, false);
>  			fclose(f);
>  		}
>  	}
>  
>  	si_shader_init_pm4_state(sscreen, shader);
>  }
>  
>  /* Select the hw shader variant depending on the current state. */
>  static int si_shader_select_with_key(struct si_screen *sscreen,
>  				     struct si_shader_ctx_state *state,
> 

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