[Mesa-dev] [PATCH 2/2] radeonsi: rename definitions of shader limits

Tom Stellard tom at stellard.net
Thu Jul 10 08:13:49 PDT 2014


On Tue, Jul 08, 2014 at 01:37:03AM +0200, Marek Olšák wrote:
> From: Marek Olšák <marek.olsak at amd.com>

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

> 
> ---
>  src/gallium/drivers/radeonsi/si_blit.c        |  2 +-
>  src/gallium/drivers/radeonsi/si_descriptors.c | 12 +++++-----
>  src/gallium/drivers/radeonsi/si_pipe.c        |  6 ++---
>  src/gallium/drivers/radeonsi/si_pipe.h        |  4 +---
>  src/gallium/drivers/radeonsi/si_shader.c      | 34 +++++++++++++--------------
>  src/gallium/drivers/radeonsi/si_state.c       | 12 +++++-----
>  src/gallium/drivers/radeonsi/si_state.h       | 31 +++++++++++++++++-------
>  7 files changed, 57 insertions(+), 44 deletions(-)
> 
> diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
> index 8c3e136..072024a 100644
> --- a/src/gallium/drivers/radeonsi/si_blit.c
> +++ b/src/gallium/drivers/radeonsi/si_blit.c
> @@ -76,7 +76,7 @@ static void si_blitter_begin(struct pipe_context *ctx, enum si_blitter_op op)
>  
>  		util_blitter_save_fragment_sampler_views(sctx->blitter,
>  			util_last_bit(sctx->samplers[PIPE_SHADER_FRAGMENT].views.desc.enabled_mask &
> -				      ((1 << NUM_TEX_UNITS) - 1)),
> +				      ((1 << SI_NUM_USER_SAMPLERS) - 1)),
>  			sctx->samplers[PIPE_SHADER_FRAGMENT].views.views);
>  	}
>  
> diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
> index 38ad077..6ae9b82 100644
> --- a/src/gallium/drivers/radeonsi/si_descriptors.c
> +++ b/src/gallium/drivers/radeonsi/si_descriptors.c
> @@ -289,7 +289,7 @@ static void si_init_sampler_views(struct si_context *sctx,
>  	si_init_descriptors(sctx, &views->desc,
>  			    si_get_shader_user_data_base(shader) +
>  			    SI_SGPR_RESOURCE * 4,
> -			    8, NUM_SAMPLER_VIEWS, si_emit_sampler_views);
> +			    8, SI_NUM_SAMPLER_VIEWS, si_emit_sampler_views);
>  }
>  
>  static void si_release_sampler_views(struct si_sampler_views *views)
> @@ -643,7 +643,7 @@ static void si_set_streamout_targets(struct pipe_context *ctx,
>  
>  	/* Set the shader resources.*/
>  	for (i = 0; i < num_targets; i++) {
> -		bufidx = SI_RW_SO + i;
> +		bufidx = SI_SO_BUF_OFFSET + i;
>  
>  		if (targets[i]) {
>  			struct pipe_resource *buffer = targets[i]->buffer;
> @@ -677,7 +677,7 @@ static void si_set_streamout_targets(struct pipe_context *ctx,
>  		buffers->desc.dirty_mask |= 1 << bufidx;
>  	}
>  	for (; i < old_num_targets; i++) {
> -		bufidx = SI_RW_SO + i;
> +		bufidx = SI_SO_BUF_OFFSET + i;
>  		/* Clear the descriptor and unset the resource. */
>  		memset(buffers->desc_data[bufidx], 0, sizeof(uint32_t) * 4);
>  		pipe_resource_reference(&buffers->buffers[bufidx], NULL);
> @@ -755,7 +755,7 @@ static void si_invalidate_buffer(struct pipe_context *ctx, struct pipe_resource
>  				buffers->desc.dirty_mask |= 1 << i;
>  				found = true;
>  
> -				if (i >= SI_RW_SO && shader == PIPE_SHADER_VERTEX) {
> +				if (i >= SI_SO_BUF_OFFSET && shader == PIPE_SHADER_VERTEX) {
>  					/* Update the streamout state. */
>  					if (sctx->b.streamout.begin_emitted) {
>  						r600_emit_streamout_end(&sctx->b);
> @@ -977,11 +977,11 @@ void si_init_all_descriptors(struct si_context *sctx)
>  
>  	for (i = 0; i < SI_NUM_SHADERS; i++) {
>  		si_init_buffer_resources(sctx, &sctx->const_buffers[i],
> -					 NUM_CONST_BUFFERS, i, SI_SGPR_CONST,
> +					 SI_NUM_CONST_BUFFERS, i, SI_SGPR_CONST,
>  					 RADEON_USAGE_READ, RADEON_PRIO_SHADER_BUFFER_RO);
>  		si_init_buffer_resources(sctx, &sctx->rw_buffers[i],
>  					 i == PIPE_SHADER_VERTEX ?
> -					 SI_RW_SO + 4 : SI_RW_SO,
> +					 SI_NUM_RW_BUFFERS : SI_NUM_RING_BUFFERS,
>  					 i, SI_SGPR_RW_BUFFERS,
>  					 RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_RESOURCE_RW);
>  
> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
> index 184235d..0f99e44 100644
> --- a/src/gallium/drivers/radeonsi/si_pipe.c
> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
> @@ -146,7 +146,7 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen, void *
>  		sctx->null_const_buf.buffer_size = sctx->null_const_buf.buffer->width0;
>  
>  		for (shader = 0; shader < SI_NUM_SHADERS; shader++) {
> -			for (i = 0; i < NUM_CONST_BUFFERS; i++) {
> +			for (i = 0; i < SI_NUM_CONST_BUFFERS; i++) {
>  				sctx->b.b.set_constant_buffer(&sctx->b.b, shader, i,
>  							      &sctx->null_const_buf);
>  			}
> @@ -347,7 +347,7 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
>  	case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
>  		return 32;
>  	case PIPE_SHADER_CAP_MAX_INPUTS:
> -		return 32;
> +		return shader == PIPE_SHADER_VERTEX ? SI_NUM_VERTEX_BUFFERS : 32;
>  	case PIPE_SHADER_CAP_MAX_TEMPS:
>  		return 256; /* Max native temporaries. */
>  	case PIPE_SHADER_CAP_MAX_ADDRS:
> @@ -356,7 +356,7 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
>  	case PIPE_SHADER_CAP_MAX_CONSTS:
>  		return 4096; /* actually only memory limits this */
>  	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
> -		return NUM_PIPE_CONST_BUFFERS;
> +		return SI_NUM_USER_CONST_BUFFERS;
>  	case PIPE_SHADER_CAP_MAX_PREDS:
>  		return 0; /* FIXME */
>  	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
> diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
> index 9d33a92..9a6410b 100644
> --- a/src/gallium/drivers/radeonsi/si_pipe.h
> +++ b/src/gallium/drivers/radeonsi/si_pipe.h
> @@ -67,7 +67,7 @@ struct si_cs_shader_state {
>  
>  struct si_textures_info {
>  	struct si_sampler_views		views;
> -	struct si_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
> +	struct si_pipe_sampler_state	*samplers[SI_NUM_USER_SAMPLERS];
>  	unsigned			n_views;
>  	uint32_t			depth_texture_mask; /* which textures are depth */
>  	uint32_t			compressed_colortex_mask;
> @@ -88,8 +88,6 @@ struct si_framebuffer {
>  
>  #define SI_NUM_SHADERS (PIPE_SHADER_GEOMETRY+1)
>  
> -#define SI_RW_SO 2 /* Streamout buffer descriptors after ring buffers */
> -
>  struct si_context {
>  	struct r600_common_context	b;
>  	struct blitter_context		*blitter;
> diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
> index a28d682..93128c8 100644
> --- a/src/gallium/drivers/radeonsi/si_shader.c
> +++ b/src/gallium/drivers/radeonsi/si_shader.c
> @@ -68,11 +68,11 @@ struct si_shader_context
>  	int param_vertex_id;
>  	int param_instance_id;
>  	LLVMValueRef const_md;
> -	LLVMValueRef const_resource[NUM_CONST_BUFFERS];
> +	LLVMValueRef const_resource[SI_NUM_CONST_BUFFERS];
>  #if HAVE_LLVM >= 0x0304
>  	LLVMValueRef ddxy_lds;
>  #endif
> -	LLVMValueRef *constants[NUM_CONST_BUFFERS];
> +	LLVMValueRef *constants[SI_NUM_CONST_BUFFERS];
>  	LLVMValueRef *resources;
>  	LLVMValueRef *samplers;
>  	LLVMValueRef so_buffers[4];
> @@ -580,7 +580,7 @@ static void declare_system_value(
>  	{
>  		LLVMBuilderRef builder = gallivm->builder;
>  		LLVMValueRef desc = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
> -		LLVMValueRef buf_index = lp_build_const_int32(gallivm, NUM_PIPE_CONST_BUFFERS);
> +		LLVMValueRef buf_index = lp_build_const_int32(gallivm, SI_DRIVER_STATE_CONST_BUF);
>  		LLVMValueRef resource = build_indexed_load(si_shader_ctx, desc, buf_index);
>  
>  		/* offset = sample_id * 8  (8 = 2 floats containing samplepos.xy) */
> @@ -788,7 +788,7 @@ static void si_llvm_emit_clipvertex(struct lp_build_tgsi_context * bld_base,
>  	unsigned const_chan;
>  	LLVMValueRef base_elt;
>  	LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
> -	LLVMValueRef constbuf_index = lp_build_const_int32(base->gallivm, NUM_PIPE_CONST_BUFFERS);
> +	LLVMValueRef constbuf_index = lp_build_const_int32(base->gallivm, SI_DRIVER_STATE_CONST_BUF);
>  	LLVMValueRef const_resource = build_indexed_load(si_shader_ctx, ptr, constbuf_index);
>  
>  	for (reg_index = 0; reg_index < 2; reg_index ++) {
> @@ -1751,7 +1751,7 @@ static void tex_fetch_args(
>  		txf_emit_data.dst_type = LLVMVectorType(
>  			LLVMInt32TypeInContext(gallivm->context), 4);
>  		txf_emit_data.args[0] = lp_build_gather_values(gallivm, txf_address, txf_count);
> -		txf_emit_data.args[1] = si_shader_ctx->resources[FMASK_TEX_OFFSET + sampler_index];
> +		txf_emit_data.args[1] = si_shader_ctx->resources[SI_FMASK_TEX_OFFSET + sampler_index];
>  		txf_emit_data.args[2] = lp_build_const_int32(gallivm, inst.Texture.Texture);
>  		txf_emit_data.arg_count = 3;
>  
> @@ -1783,7 +1783,7 @@ static void tex_fetch_args(
>  		 */
>  		LLVMValueRef fmask_desc =
>  			LLVMBuildBitCast(gallivm->builder,
> -					 si_shader_ctx->resources[FMASK_TEX_OFFSET + sampler_index],
> +					 si_shader_ctx->resources[SI_FMASK_TEX_OFFSET + sampler_index],
>  					 LLVMVectorType(uint_bld->elem_type, 8), "");
>  
>  		LLVMValueRef fmask_word1 =
> @@ -2328,14 +2328,14 @@ static void create_function(struct si_shader_context *si_shader_ctx)
>  	v8i32 = LLVMVectorType(i32, 8);
>  	v16i8 = LLVMVectorType(i8, 16);
>  
> -	params[SI_PARAM_CONST] = const_array(v16i8, NUM_CONST_BUFFERS);
> -	params[SI_PARAM_RW_BUFFERS] = const_array(v16i8, 6); /* XXX hardcoded */
> -	params[SI_PARAM_SAMPLER] = const_array(v4i32, NUM_SAMPLER_STATES);
> -	params[SI_PARAM_RESOURCE] = const_array(v8i32, NUM_SAMPLER_VIEWS);
> +	params[SI_PARAM_CONST] = const_array(v16i8, SI_NUM_CONST_BUFFERS);
> +	params[SI_PARAM_RW_BUFFERS] = const_array(v16i8, SI_NUM_RW_BUFFERS);
> +	params[SI_PARAM_SAMPLER] = const_array(v4i32, SI_NUM_SAMPLER_STATES);
> +	params[SI_PARAM_RESOURCE] = const_array(v8i32, SI_NUM_SAMPLER_VIEWS);
>  
>  	switch (si_shader_ctx->type) {
>  	case TGSI_PROCESSOR_VERTEX:
> -		params[SI_PARAM_VERTEX_BUFFER] = const_array(v16i8, 16); /* XXX hardcoded */
> +		params[SI_PARAM_VERTEX_BUFFER] = const_array(v16i8, SI_NUM_VERTEX_BUFFERS);
>  		params[SI_PARAM_START_INSTANCE] = i32;
>  		num_params = SI_PARAM_START_INSTANCE+1;
>  		if (shader->key.vs.as_es) {
> @@ -2454,7 +2454,7 @@ static void preload_constants(struct si_shader_context *si_shader_ctx)
>  	unsigned buf;
>  	LLVMValueRef ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
>  
> -	for (buf = 0; buf < NUM_CONST_BUFFERS; buf++) {
> +	for (buf = 0; buf < SI_NUM_CONST_BUFFERS; buf++) {
>  		unsigned i, num_const = info->const_file_max[buf] + 1;
>  
>  		if (num_const == 0)
> @@ -2493,7 +2493,7 @@ static void preload_samplers(struct si_shader_context *si_shader_ctx)
>  		return;
>  
>  	/* Allocate space for the values */
> -	si_shader_ctx->resources = CALLOC(NUM_SAMPLER_VIEWS, sizeof(LLVMValueRef));
> +	si_shader_ctx->resources = CALLOC(SI_NUM_SAMPLER_VIEWS, sizeof(LLVMValueRef));
>  	si_shader_ctx->samplers = CALLOC(num_samplers, sizeof(LLVMValueRef));
>  
>  	res_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE);
> @@ -2511,8 +2511,8 @@ static void preload_samplers(struct si_shader_context *si_shader_ctx)
>  
>  		/* FMASK resource */
>  		if (info->is_msaa_sampler[i]) {
> -			offset = lp_build_const_int32(gallivm, FMASK_TEX_OFFSET + i);
> -			si_shader_ctx->resources[FMASK_TEX_OFFSET + i] =
> +			offset = lp_build_const_int32(gallivm, SI_FMASK_TEX_OFFSET + i);
> +			si_shader_ctx->resources[SI_FMASK_TEX_OFFSET + i] =
>  				build_indexed_load(si_shader_ctx, res_ptr, offset);
>  		}
>  	}
> @@ -2536,7 +2536,7 @@ static void preload_streamout_buffers(struct si_shader_context *si_shader_ctx)
>  	for (i = 0; i < 4; ++i) {
>  		if (si_shader_ctx->shader->selector->so.stride[i]) {
>  			LLVMValueRef offset = lp_build_const_int32(gallivm,
> -								   SI_RW_SO + i);
> +								   SI_SO_BUF_OFFSET + i);
>  
>  			si_shader_ctx->so_buffers[i] = build_indexed_load(si_shader_ctx, buf_ptr, offset);
>  		}
> @@ -2880,7 +2880,7 @@ int si_pipe_shader_create(
>  	tgsi_parse_free(&si_shader_ctx.parse);
>  
>  out:
> -	for (int i = 0; i < NUM_CONST_BUFFERS; i++)
> +	for (int i = 0; i < SI_NUM_CONST_BUFFERS; i++)
>  		FREE(si_shader_ctx.constants[i]);
>  	FREE(si_shader_ctx.resources);
>  	FREE(si_shader_ctx.samplers);
> diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
> index cbd51ad..c64958a 100644
> --- a/src/gallium/drivers/radeonsi/si_state.c
> +++ b/src/gallium/drivers/radeonsi/si_state.c
> @@ -446,7 +446,7 @@ static void si_set_clip_state(struct pipe_context *ctx,
>  	cb.user_buffer = state->ucp;
>  	cb.buffer_offset = 0;
>  	cb.buffer_size = 4*4*8;
> -	ctx->set_constant_buffer(ctx, PIPE_SHADER_VERTEX, NUM_PIPE_CONST_BUFFERS, &cb);
> +	ctx->set_constant_buffer(ctx, PIPE_SHADER_VERTEX, SI_DRIVER_STATE_CONST_BUF, &cb);
>  	pipe_resource_reference(&cb.buffer, NULL);
>  
>  	si_pm4_set_state(sctx, clip, pm4);
> @@ -1961,7 +1961,7 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
>  	}
>  	constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4;
>  	ctx->set_constant_buffer(ctx, PIPE_SHADER_FRAGMENT,
> -				 NUM_PIPE_CONST_BUFFERS, &constbuf);
> +				 SI_DRIVER_STATE_CONST_BUF, &constbuf);
>  }
>  
>  static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom *atom)
> @@ -2710,7 +2710,7 @@ static void si_set_sampler_views(struct pipe_context *ctx,
>  			samplers->depth_texture_mask &= ~(1 << i);
>  			samplers->compressed_colortex_mask &= ~(1 << i);
>  			si_set_sampler_view(sctx, shader, i, NULL, NULL);
> -			si_set_sampler_view(sctx, shader, FMASK_TEX_OFFSET + i,
> +			si_set_sampler_view(sctx, shader, SI_FMASK_TEX_OFFSET + i,
>  					    NULL, NULL);
>  			continue;
>  		}
> @@ -2733,10 +2733,10 @@ static void si_set_sampler_views(struct pipe_context *ctx,
>  			}
>  
>  			if (rtex->fmask.size) {
> -				si_set_sampler_view(sctx, shader, FMASK_TEX_OFFSET + i,
> +				si_set_sampler_view(sctx, shader, SI_FMASK_TEX_OFFSET + i,
>  						    views[i], rviews[i]->fmask_state);
>  			} else {
> -				si_set_sampler_view(sctx, shader, FMASK_TEX_OFFSET + i,
> +				si_set_sampler_view(sctx, shader, SI_FMASK_TEX_OFFSET + i,
>  						    NULL, NULL);
>  			}
>  		}
> @@ -2745,7 +2745,7 @@ static void si_set_sampler_views(struct pipe_context *ctx,
>  		samplers->depth_texture_mask &= ~(1 << i);
>  		samplers->compressed_colortex_mask &= ~(1 << i);
>  		si_set_sampler_view(sctx, shader, i, NULL, NULL);
> -		si_set_sampler_view(sctx, shader, FMASK_TEX_OFFSET + i,
> +		si_set_sampler_view(sctx, shader, SI_FMASK_TEX_OFFSET + i,
>  				    NULL, NULL);
>  	}
>  
> diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
> index c051d73..fc3b1b9 100644
> --- a/src/gallium/drivers/radeonsi/si_state.h
> +++ b/src/gallium/drivers/radeonsi/si_state.h
> @@ -106,20 +106,35 @@ union si_state {
>  	struct si_pm4_state	*array[0];
>  };
>  
> -#define NUM_TEX_UNITS 16
> +#define SI_NUM_USER_SAMPLERS 16 /* AKA OpenGL textures units per shader */
>  
>  /* User sampler views:   0..15
>   * FMASK sampler views: 16..31 (no sampler states)
>   */
> -#define FMASK_TEX_OFFSET	NUM_TEX_UNITS
> -#define NUM_SAMPLER_VIEWS	(FMASK_TEX_OFFSET+NUM_TEX_UNITS)
> -#define NUM_SAMPLER_STATES	NUM_TEX_UNITS
> +#define SI_FMASK_TEX_OFFSET		SI_NUM_USER_SAMPLERS
> +#define SI_NUM_SAMPLER_VIEWS		(SI_FMASK_TEX_OFFSET + SI_NUM_USER_SAMPLERS)
> +#define SI_NUM_SAMPLER_STATES		SI_NUM_USER_SAMPLERS
>  
> -#define NUM_PIPE_CONST_BUFFERS	16
> -#define NUM_CONST_BUFFERS	(NUM_PIPE_CONST_BUFFERS + 1)
> +/* User constant buffers:   0..15
> + * Driver state constants:  16
> + */
> +#define SI_NUM_USER_CONST_BUFFERS	16
> +#define SI_DRIVER_STATE_CONST_BUF	SI_NUM_USER_CONST_BUFFERS
> +#define SI_NUM_CONST_BUFFERS		(SI_DRIVER_STATE_CONST_BUF + 1)
>  
> +/* Read-write buffer slots.
> + *
> + * Ring buffers:        0..1
> + * Streamout buffers:   2..5
> + */
>  #define SI_RING_ESGS		0
>  #define SI_RING_GSVS		1
> +#define SI_NUM_RING_BUFFERS	2
> +#define SI_SO_BUF_OFFSET	SI_NUM_RING_BUFFERS
> +#define SI_NUM_RW_BUFFERS	(SI_SO_BUF_OFFSET + 4)
> +
> +#define SI_NUM_VERTEX_BUFFERS	16
> +
>  
>  /* This represents resource descriptors in memory, such as buffer resources,
>   * image resources, and sampler states.
> @@ -155,8 +170,8 @@ struct si_descriptors {
>  
>  struct si_sampler_views {
>  	struct si_descriptors		desc;
> -	struct pipe_sampler_view	*views[NUM_SAMPLER_VIEWS];
> -	uint32_t			*desc_data[NUM_SAMPLER_VIEWS];
> +	struct pipe_sampler_view	*views[SI_NUM_SAMPLER_VIEWS];
> +	uint32_t			*desc_data[SI_NUM_SAMPLER_VIEWS];
>  };
>  
>  struct si_buffer_resources {
> -- 
> 1.9.1
> 
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