[Mesa-dev] [PATCH 12/19] radv: Use deref instructions for tex derefs in meta shaders.

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Sun May 13 00:20:06 UTC 2018


---
 src/amd/vulkan/radv_meta.c            | 20 ++++++++++--------
 src/amd/vulkan/radv_meta_blit.c       | 30 +++++++++++++++++++--------
 src/amd/vulkan/radv_meta_blit2d.c     | 21 ++++++++++++-------
 src/amd/vulkan/radv_meta_bufimage.c   | 22 ++++++++++++--------
 src/amd/vulkan/radv_meta_fast_clear.c |  7 ++++---
 5 files changed, 62 insertions(+), 38 deletions(-)

diff --git a/src/amd/vulkan/radv_meta.c b/src/amd/vulkan/radv_meta.c
index 56b72d1c99b..00a20d155e7 100644
--- a/src/amd/vulkan/radv_meta.c
+++ b/src/amd/vulkan/radv_meta.c
@@ -515,18 +515,20 @@ void radv_meta_build_resolve_shader_core(nir_builder *b,
 	nir_ssa_def *tmp;
 	nir_if *outer_if = NULL;
 
-	nir_tex_instr *tex = nir_tex_instr_create(b->shader, 2);
+	nir_ssa_def *input_img_deref = &nir_build_deref_var(b, input_img)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b->shader, 3);
 	tex->sampler_dim = GLSL_SAMPLER_DIM_MS;
 	tex->op = nir_texop_txf_ms;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(img_coord);
 	tex->src[1].src_type = nir_tex_src_ms_index;
 	tex->src[1].src = nir_src_for_ssa(nir_imm_int(b, 0));
+	tex->src[2].src_type = nir_tex_src_texture_deref;
+	tex->src[2].src = nir_src_for_ssa(input_img_deref);
 	tex->dest_type = nir_type_float;
 	tex->is_array = false;
 	tex->coord_components = 2;
-	tex->texture = nir_deref_var_create(tex, input_img);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(b, &tex->instr);
@@ -534,16 +536,16 @@ void radv_meta_build_resolve_shader_core(nir_builder *b,
 	tmp = &tex->dest.ssa;
 
 	if (!is_integer && samples > 1) {
-		nir_tex_instr *tex_all_same = nir_tex_instr_create(b->shader, 1);
+		nir_tex_instr *tex_all_same = nir_tex_instr_create(b->shader, 2);
 		tex_all_same->sampler_dim = GLSL_SAMPLER_DIM_MS;
 		tex_all_same->op = nir_texop_samples_identical;
 		tex_all_same->src[0].src_type = nir_tex_src_coord;
 		tex_all_same->src[0].src = nir_src_for_ssa(img_coord);
+		tex_all_same->src[1].src_type = nir_tex_src_texture_deref;
+		tex_all_same->src[1].src = nir_src_for_ssa(input_img_deref);
 		tex_all_same->dest_type = nir_type_float;
 		tex_all_same->is_array = false;
 		tex_all_same->coord_components = 2;
-		tex_all_same->texture = nir_deref_var_create(tex_all_same, input_img);
-		tex_all_same->sampler = NULL;
 
 		nir_ssa_dest_init(&tex_all_same->instr, &tex_all_same->dest, 1, 32, "tex");
 		nir_builder_instr_insert(b, &tex_all_same->instr);
@@ -555,18 +557,18 @@ void radv_meta_build_resolve_shader_core(nir_builder *b,
 
 		b->cursor = nir_after_cf_list(&if_stmt->then_list);
 		for (int i = 1; i < samples; i++) {
-			nir_tex_instr *tex_add = nir_tex_instr_create(b->shader, 2);
+			nir_tex_instr *tex_add = nir_tex_instr_create(b->shader, 3);
 			tex_add->sampler_dim = GLSL_SAMPLER_DIM_MS;
 			tex_add->op = nir_texop_txf_ms;
 			tex_add->src[0].src_type = nir_tex_src_coord;
 			tex_add->src[0].src = nir_src_for_ssa(img_coord);
 			tex_add->src[1].src_type = nir_tex_src_ms_index;
 			tex_add->src[1].src = nir_src_for_ssa(nir_imm_int(b, i));
+			tex_add->src[2].src_type = nir_tex_src_texture_deref;
+			tex_add->src[2].src = nir_src_for_ssa(input_img_deref);
 			tex_add->dest_type = nir_type_float;
 			tex_add->is_array = false;
 			tex_add->coord_components = 2;
-			tex_add->texture = nir_deref_var_create(tex_add, input_img);
-			tex_add->sampler = NULL;
 
 			nir_ssa_dest_init(&tex_add->instr, &tex_add->dest, 4, 32, "tex");
 			nir_builder_instr_insert(b, &tex_add->instr);
diff --git a/src/amd/vulkan/radv_meta_blit.c b/src/amd/vulkan/radv_meta_blit.c
index 3ff48498d80..a6ee0cb7e93 100644
--- a/src/amd/vulkan/radv_meta_blit.c
+++ b/src/amd/vulkan/radv_meta_blit.c
@@ -131,16 +131,20 @@ build_nir_copy_fragment_shader(enum glsl_sampler_dim tex_dim)
 	sampler->data.descriptor_set = 0;
 	sampler->data.binding = 0;
 
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 1);
+	nir_ssa_def *tex_deref = &nir_build_deref_var(&b, sampler)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = tex_dim;
 	tex->op = nir_texop_tex;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(tex_pos);
+	tex->src[1].src_type = nir_tex_src_texture_deref;
+	tex->src[1].src = nir_src_for_ssa(tex_deref);
+	tex->src[2].src_type = nir_tex_src_sampler_deref;
+	tex->src[2].src = nir_src_for_ssa(tex_deref);
 	tex->dest_type = nir_type_float; /* TODO */
 	tex->is_array = glsl_sampler_type_is_array(sampler_type);
 	tex->coord_components = tex_pos->num_components;
-	tex->texture = nir_deref_var_create(tex, sampler);
-	tex->sampler = nir_deref_var_create(tex, sampler);
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
@@ -185,16 +189,20 @@ build_nir_copy_fragment_shader_depth(enum glsl_sampler_dim tex_dim)
 	sampler->data.descriptor_set = 0;
 	sampler->data.binding = 0;
 
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 1);
+	nir_ssa_def *tex_deref = &nir_build_deref_var(&b, sampler)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = tex_dim;
 	tex->op = nir_texop_tex;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(tex_pos);
+	tex->src[1].src_type = nir_tex_src_texture_deref;
+	tex->src[1].src = nir_src_for_ssa(tex_deref);
+	tex->src[2].src_type = nir_tex_src_sampler_deref;
+	tex->src[2].src = nir_src_for_ssa(tex_deref);
 	tex->dest_type = nir_type_float; /* TODO */
 	tex->is_array = glsl_sampler_type_is_array(sampler_type);
 	tex->coord_components = tex_pos->num_components;
-	tex->texture = nir_deref_var_create(tex, sampler);
-	tex->sampler = nir_deref_var_create(tex, sampler);
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
@@ -239,16 +247,20 @@ build_nir_copy_fragment_shader_stencil(enum glsl_sampler_dim tex_dim)
 	sampler->data.descriptor_set = 0;
 	sampler->data.binding = 0;
 
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 1);
+	nir_ssa_def *tex_deref = &nir_build_deref_var(&b, sampler)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = tex_dim;
 	tex->op = nir_texop_tex;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(tex_pos);
+	tex->src[1].src_type = nir_tex_src_texture_deref;
+	tex->src[1].src = nir_src_for_ssa(tex_deref);
+	tex->src[2].src_type = nir_tex_src_sampler_deref;
+	tex->src[2].src = nir_src_for_ssa(tex_deref);
 	tex->dest_type = nir_type_float; /* TODO */
 	tex->is_array = glsl_sampler_type_is_array(sampler_type);
 	tex->coord_components = tex_pos->num_components;
-	tex->texture = nir_deref_var_create(tex, sampler);
-	tex->sampler = nir_deref_var_create(tex, sampler);
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
diff --git a/src/amd/vulkan/radv_meta_blit2d.c b/src/amd/vulkan/radv_meta_blit2d.c
index 4a718c639d0..85e2d4678e9 100644
--- a/src/amd/vulkan/radv_meta_blit2d.c
+++ b/src/amd/vulkan/radv_meta_blit2d.c
@@ -485,22 +485,25 @@ build_nir_texel_fetch(struct nir_builder *b, struct radv_device *device,
 		nir_ssa_dest_init(&sample_idx->instr, &sample_idx->dest, 1, 32, "sample_idx");
 		nir_builder_instr_insert(b, &sample_idx->instr);
 	}
-	nir_tex_instr *tex = nir_tex_instr_create(b->shader, is_multisampled ? 3 : 2);
+
+	nir_ssa_def *tex_deref = &nir_build_deref_var(b, sampler)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b->shader, is_multisampled ? 4 : 3);
 	tex->sampler_dim = dim;
 	tex->op = is_multisampled ? nir_texop_txf_ms : nir_texop_txf;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(is_3d ? tex_pos_3d : tex_pos);
 	tex->src[1].src_type = is_multisampled ? nir_tex_src_ms_index : nir_tex_src_lod;
 	tex->src[1].src = nir_src_for_ssa(is_multisampled ? &sample_idx->dest.ssa : nir_imm_int(b, 0));
+	tex->src[2].src_type = nir_tex_src_texture_deref;
+	tex->src[2].src = nir_src_for_ssa(tex_deref);
 	if (is_multisampled) {
-		tex->src[2].src_type = nir_tex_src_lod;
-		tex->src[2].src = nir_src_for_ssa(nir_imm_int(b, 0));
+		tex->src[3].src_type = nir_tex_src_lod;
+		tex->src[3].src = nir_src_for_ssa(nir_imm_int(b, 0));
 	}
 	tex->dest_type = nir_type_uint;
 	tex->is_array = false;
 	tex->coord_components = is_3d ? 3 : 2;
-	tex->texture = nir_deref_var_create(tex, sampler);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(b, &tex->instr);
@@ -534,16 +537,18 @@ build_nir_buffer_fetch(struct nir_builder *b, struct radv_device *device,
 	pos_x = nir_iadd(b, pos_x, pos_y);
 	//pos_x = nir_iadd(b, pos_x, nir_imm_int(b, 100000));
 
-	nir_tex_instr *tex = nir_tex_instr_create(b->shader, 1);
+	nir_ssa_def *tex_deref = &nir_build_deref_var(b, sampler)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b->shader, 2);
 	tex->sampler_dim = GLSL_SAMPLER_DIM_BUF;
 	tex->op = nir_texop_txf;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(pos_x);
+	tex->src[1].src_type = nir_tex_src_texture_deref;
+	tex->src[1].src = nir_src_for_ssa(tex_deref);
 	tex->dest_type = nir_type_uint;
 	tex->is_array = false;
 	tex->coord_components = 1;
-	tex->texture = nir_deref_var_create(tex, sampler);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(b, &tex->instr);
diff --git a/src/amd/vulkan/radv_meta_bufimage.c b/src/amd/vulkan/radv_meta_bufimage.c
index 69e15d32135..147d2ea46ef 100644
--- a/src/amd/vulkan/radv_meta_bufimage.c
+++ b/src/amd/vulkan/radv_meta_bufimage.c
@@ -88,18 +88,20 @@ build_nir_itob_compute_shader(struct radv_device *dev, bool is_3d)
 	nir_builder_instr_insert(&b, &stride->instr);
 
 	nir_ssa_def *img_coord = nir_iadd(&b, global_id, &offset->dest.ssa);
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 2);
+	nir_ssa_def *input_img_deref = &nir_build_deref_var(&b, input_img)->dest.ssa;
+
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = dim;
 	tex->op = nir_texop_txf;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(nir_channels(&b, img_coord, is_3d ? 0x7 : 0x3));
 	tex->src[1].src_type = nir_tex_src_lod;
 	tex->src[1].src = nir_src_for_ssa(nir_imm_int(&b, 0));
+	tex->src[2].src_type = nir_tex_src_texture_deref;
+	tex->src[2].src = nir_src_for_ssa(input_img_deref);
 	tex->dest_type = nir_type_float;
 	tex->is_array = false;
 	tex->coord_components = is_3d ? 3 : 2;
-	tex->texture = nir_deref_var_create(tex, input_img);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
@@ -320,19 +322,20 @@ build_nir_btoi_compute_shader(struct radv_device *dev, bool is_3d)
 	nir_ssa_def *buf_coord = nir_vec4(&b, tmp, tmp, tmp, tmp);
 
 	nir_ssa_def *img_coord = nir_iadd(&b, global_id, &offset->dest.ssa);
+	nir_ssa_def *input_img_deref = &nir_build_deref_var(&b, input_img)->dest.ssa;
 
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 2);
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = GLSL_SAMPLER_DIM_BUF;
 	tex->op = nir_texop_txf;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(nir_channels(&b, buf_coord, 1));
 	tex->src[1].src_type = nir_tex_src_lod;
 	tex->src[1].src = nir_src_for_ssa(nir_imm_int(&b, 0));
+	tex->src[2].src_type = nir_tex_src_texture_deref;
+	tex->src[2].src = nir_src_for_ssa(input_img_deref);
 	tex->dest_type = nir_type_float;
 	tex->is_array = false;
 	tex->coord_components = 1;
-	tex->texture = nir_deref_var_create(tex, input_img);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
@@ -532,21 +535,22 @@ build_nir_itoi_compute_shader(struct radv_device *dev, bool is_3d)
 	nir_builder_instr_insert(&b, &dst_offset->instr);
 
 	nir_ssa_def *src_coord = nir_iadd(&b, global_id, &src_offset->dest.ssa);
+	nir_ssa_def *input_img_deref = &nir_build_deref_var(&b, input_img)->dest.ssa;
 
 	nir_ssa_def *dst_coord = nir_iadd(&b, global_id, &dst_offset->dest.ssa);
 
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 2);
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = dim;
 	tex->op = nir_texop_txf;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(nir_channels(&b, src_coord, is_3d ? 0x7 : 0x3));
 	tex->src[1].src_type = nir_tex_src_lod;
 	tex->src[1].src = nir_src_for_ssa(nir_imm_int(&b, 0));
+	tex->src[2].src_type = nir_tex_src_texture_deref;
+	tex->src[2].src = nir_src_for_ssa(input_img_deref);
 	tex->dest_type = nir_type_float;
 	tex->is_array = false;
 	tex->coord_components = is_3d ? 3 : 2;
-	tex->texture = nir_deref_var_create(tex, input_img);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
diff --git a/src/amd/vulkan/radv_meta_fast_clear.c b/src/amd/vulkan/radv_meta_fast_clear.c
index d5af7a1b0cf..411d02f231f 100644
--- a/src/amd/vulkan/radv_meta_fast_clear.c
+++ b/src/amd/vulkan/radv_meta_fast_clear.c
@@ -66,19 +66,20 @@ build_dcc_decompress_compute_shader(struct radv_device *dev)
 						b.shader->info.cs.local_size[2], 0);
 
 	nir_ssa_def *global_id = nir_iadd(&b, nir_imul(&b, wg_id, block_size), invoc_id);
+	nir_ssa_def *input_img_deref = &nir_build_deref_var(&b, input_img)->dest.ssa;
 
-	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 2);
+	nir_tex_instr *tex = nir_tex_instr_create(b.shader, 3);
 	tex->sampler_dim = GLSL_SAMPLER_DIM_2D;
 	tex->op = nir_texop_txf;
 	tex->src[0].src_type = nir_tex_src_coord;
 	tex->src[0].src = nir_src_for_ssa(nir_channels(&b, global_id, 3));
 	tex->src[1].src_type = nir_tex_src_lod;
 	tex->src[1].src = nir_src_for_ssa(nir_imm_int(&b, 0));
+	tex->src[2].src_type = nir_tex_src_texture_deref;
+	tex->src[2].src = nir_src_for_ssa(input_img_deref);
 	tex->dest_type = nir_type_float;
 	tex->is_array = false;
 	tex->coord_components = 2;
-	tex->texture = nir_deref_var_create(tex, input_img);
-	tex->sampler = NULL;
 
 	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 	nir_builder_instr_insert(&b, &tex->instr);
-- 
2.17.0



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