[Mesa-dev] [PATCH] radv: implement buffer to image operations for R32G32B32

Samuel Pitoiset samuel.pitoiset at gmail.com
Mon Oct 15 10:37:05 UTC 2018


This should fix rendering issues with Batman Arkham City.
We will probably need to implement itob and itoi at some
point, but currently nothing hits these paths.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107765
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/vulkan/radv_meta_bufimage.c | 358 ++++++++++++++++++++++++++++
 src/amd/vulkan/radv_meta_copy.c     |   8 +-
 src/amd/vulkan/radv_private.h       |   5 +
 3 files changed, 369 insertions(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_meta_bufimage.c b/src/amd/vulkan/radv_meta_bufimage.c
index 9efb971638..57e0732cce 100644
--- a/src/amd/vulkan/radv_meta_bufimage.c
+++ b/src/amd/vulkan/radv_meta_bufimage.c
@@ -483,6 +483,214 @@ radv_device_finish_meta_btoi_state(struct radv_device *device)
 			     state->btoi.pipeline_3d, &state->alloc);
 }
 
+/* Buffer to image - special path for R32G32B32 */
+static nir_shader *
+build_nir_btoi_r32g32b32_compute_shader(struct radv_device *dev)
+{
+	nir_builder b;
+	const struct glsl_type *buf_type = glsl_sampler_type(GLSL_SAMPLER_DIM_BUF,
+							     false,
+							     false,
+							     GLSL_TYPE_FLOAT);
+	const struct glsl_type *img_type = glsl_sampler_type(GLSL_SAMPLER_DIM_BUF,
+							     false,
+							     false,
+							     GLSL_TYPE_FLOAT);
+	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	b.shader->info.name = ralloc_strdup(b.shader, "meta_btoi_r32g32b32_cs");
+	b.shader->info.cs.local_size[0] = 16;
+	b.shader->info.cs.local_size[1] = 16;
+	b.shader->info.cs.local_size[2] = 1;
+	nir_variable *input_img = nir_variable_create(b.shader, nir_var_uniform,
+						      buf_type, "s_tex");
+	input_img->data.descriptor_set = 0;
+	input_img->data.binding = 0;
+
+	nir_variable *output_img = nir_variable_create(b.shader, nir_var_uniform,
+						       img_type, "out_img");
+	output_img->data.descriptor_set = 0;
+	output_img->data.binding = 1;
+
+	nir_ssa_def *invoc_id = nir_load_system_value(&b, nir_intrinsic_load_local_invocation_id, 0);
+	nir_ssa_def *wg_id = nir_load_system_value(&b, nir_intrinsic_load_work_group_id, 0);
+	nir_ssa_def *block_size = nir_imm_ivec4(&b,
+						b.shader->info.cs.local_size[0],
+						b.shader->info.cs.local_size[1],
+						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_intrinsic_instr *offset = nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_push_constant);
+	nir_intrinsic_set_base(offset, 0);
+	nir_intrinsic_set_range(offset, 16);
+	offset->src[0] = nir_src_for_ssa(nir_imm_int(&b, 0));
+	offset->num_components = 2;
+	nir_ssa_dest_init(&offset->instr, &offset->dest, 2, 32, "offset");
+	nir_builder_instr_insert(&b, &offset->instr);
+
+	nir_intrinsic_instr *pitch = nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_push_constant);
+	nir_intrinsic_set_base(pitch, 0);
+	nir_intrinsic_set_range(pitch, 16);
+	pitch->src[0] = nir_src_for_ssa(nir_imm_int(&b, 8));
+	pitch->num_components = 1;
+	nir_ssa_dest_init(&pitch->instr, &pitch->dest, 1, 32, "pitch");
+	nir_builder_instr_insert(&b, &pitch->instr);
+
+	nir_intrinsic_instr *stride = nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_push_constant);
+	nir_intrinsic_set_base(stride, 0);
+	nir_intrinsic_set_range(stride, 16);
+	stride->src[0] = nir_src_for_ssa(nir_imm_int(&b, 12));
+	stride->num_components = 1;
+	nir_ssa_dest_init(&stride->instr, &stride->dest, 1, 32, "stride");
+	nir_builder_instr_insert(&b, &stride->instr);
+
+	nir_ssa_def *pos_x = nir_channel(&b, global_id, 0);
+	nir_ssa_def *pos_y = nir_channel(&b, global_id, 1);
+
+	nir_ssa_def *tmp = nir_imul(&b, pos_y, &stride->dest.ssa);
+	tmp = nir_iadd(&b, tmp, pos_x);
+
+	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 *global_pos =
+		nir_iadd(&b,
+			 nir_imul(&b, pos_y, &pitch->dest.ssa),
+			 nir_imul(&b, pos_x, nir_imm_int(&b, 3)));
+
+	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_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;
+	nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
+	nir_builder_instr_insert(&b, &tex->instr);
+
+	nir_ssa_def *outval = &tex->dest.ssa;
+
+	for (int chan = 0; chan < 3; chan++) {
+		nir_ssa_def *local_pos =
+                       nir_iadd(&b, global_pos, nir_imm_int(&b, chan));
+
+               nir_ssa_def *coord =
+                       nir_vec4(&b, local_pos, local_pos, local_pos, local_pos);
+
+		nir_intrinsic_instr *store = nir_intrinsic_instr_create(b.shader, nir_intrinsic_image_deref_store);
+		store->num_components = 1;
+		store->src[0] = nir_src_for_ssa(&nir_build_deref_var(&b, output_img)->dest.ssa);
+		store->src[1] = nir_src_for_ssa(coord);
+		store->src[2] = nir_src_for_ssa(nir_ssa_undef(&b, 1, 32));
+		store->src[3] = nir_src_for_ssa(nir_channel(&b, outval, chan));
+		nir_builder_instr_insert(&b, &store->instr);
+	}
+
+	return b.shader;
+}
+
+static VkResult
+radv_device_init_meta_btoi_r32g32b32_state(struct radv_device *device)
+{
+	VkResult result;
+	struct radv_shader_module cs = { .nir = NULL };
+
+	cs.nir = build_nir_btoi_r32g32b32_compute_shader(device);
+
+	VkDescriptorSetLayoutCreateInfo ds_create_info = {
+		.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
+		.flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR,
+		.bindingCount = 2,
+		.pBindings = (VkDescriptorSetLayoutBinding[]) {
+			{
+				.binding = 0,
+				.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
+				.descriptorCount = 1,
+				.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+				.pImmutableSamplers = NULL
+			},
+			{
+				.binding = 1,
+				.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
+				.descriptorCount = 1,
+				.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+				.pImmutableSamplers = NULL
+			},
+		}
+	};
+
+	result = radv_CreateDescriptorSetLayout(radv_device_to_handle(device),
+						&ds_create_info,
+						&device->meta_state.alloc,
+						&device->meta_state.btoi_r32g32b32.img_ds_layout);
+	if (result != VK_SUCCESS)
+		goto fail;
+
+
+	VkPipelineLayoutCreateInfo pl_create_info = {
+		.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+		.setLayoutCount = 1,
+		.pSetLayouts = &device->meta_state.btoi_r32g32b32.img_ds_layout,
+		.pushConstantRangeCount = 1,
+		.pPushConstantRanges = &(VkPushConstantRange){VK_SHADER_STAGE_COMPUTE_BIT, 0, 16},
+	};
+
+	result = radv_CreatePipelineLayout(radv_device_to_handle(device),
+					  &pl_create_info,
+					  &device->meta_state.alloc,
+					  &device->meta_state.btoi_r32g32b32.img_p_layout);
+	if (result != VK_SUCCESS)
+		goto fail;
+
+	/* compute shader */
+
+	VkPipelineShaderStageCreateInfo pipeline_shader_stage = {
+		.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+		.stage = VK_SHADER_STAGE_COMPUTE_BIT,
+		.module = radv_shader_module_to_handle(&cs),
+		.pName = "main",
+		.pSpecializationInfo = NULL,
+	};
+
+	VkComputePipelineCreateInfo vk_pipeline_info = {
+		.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
+		.stage = pipeline_shader_stage,
+		.flags = 0,
+		.layout = device->meta_state.btoi_r32g32b32.img_p_layout,
+	};
+
+	result = radv_CreateComputePipelines(radv_device_to_handle(device),
+					     radv_pipeline_cache_to_handle(&device->meta_state.cache),
+					     1, &vk_pipeline_info, NULL,
+					     &device->meta_state.btoi_r32g32b32.pipeline);
+
+fail:
+	ralloc_free(cs.nir);
+	return result;
+}
+
+static void
+radv_device_finish_meta_btoi_r32g32b32_state(struct radv_device *device)
+{
+	struct radv_meta_state *state = &device->meta_state;
+
+	radv_DestroyPipelineLayout(radv_device_to_handle(device),
+				   state->btoi_r32g32b32.img_p_layout, &state->alloc);
+	radv_DestroyDescriptorSetLayout(radv_device_to_handle(device),
+				        state->btoi_r32g32b32.img_ds_layout,
+					&state->alloc);
+	radv_DestroyPipeline(radv_device_to_handle(device),
+			     state->btoi_r32g32b32.pipeline, &state->alloc);
+}
+
 static nir_shader *
 build_nir_itoi_compute_shader(struct radv_device *dev, bool is_3d)
 {
@@ -1056,6 +1264,7 @@ radv_device_finish_meta_bufimage_state(struct radv_device *device)
 {
 	radv_device_finish_meta_itob_state(device);
 	radv_device_finish_meta_btoi_state(device);
+	radv_device_finish_meta_btoi_r32g32b32_state(device);
 	radv_device_finish_meta_itoi_state(device);
 	radv_device_finish_meta_cleari_state(device);
 	radv_device_finish_meta_cleari_r32g32b32_state(device);
@@ -1074,6 +1283,10 @@ radv_device_init_meta_bufimage_state(struct radv_device *device)
 	if (result != VK_SUCCESS)
 		goto fail_btoi;
 
+	result = radv_device_init_meta_btoi_r32g32b32_state(device);
+	if (result != VK_SUCCESS)
+		goto fail_btoi_r32g32b32;
+
 	result = radv_device_init_meta_itoi_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_itoi;
@@ -1093,6 +1306,8 @@ fail_cleari:
 	radv_device_finish_meta_cleari_state(device);
 fail_itoi:
 	radv_device_finish_meta_itoi_state(device);
+fail_btoi_r32g32b32:
+	radv_device_finish_meta_btoi_r32g32b32_state(device);
 fail_btoi:
 	radv_device_finish_meta_btoi_state(device);
 fail_itob:
@@ -1219,6 +1434,141 @@ radv_meta_image_to_buffer(struct radv_cmd_buffer *cmd_buffer,
 	}
 }
 
+static void
+btoi_r32g32b32_bind_descriptors(struct radv_cmd_buffer *cmd_buffer,
+				struct radv_buffer_view *src,
+				struct radv_buffer_view *dst)
+{
+	struct radv_device *device = cmd_buffer->device;
+
+	radv_meta_push_descriptor_set(cmd_buffer,
+				      VK_PIPELINE_BIND_POINT_COMPUTE,
+				      device->meta_state.btoi_r32g32b32.img_p_layout,
+				      0, /* set */
+				      2, /* descriptorWriteCount */
+				      (VkWriteDescriptorSet[]) {
+				              {
+				                      .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+				                      .dstBinding = 0,
+				                      .dstArrayElement = 0,
+				                      .descriptorCount = 1,
+				                      .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
+				                      .pTexelBufferView = (VkBufferView[])  { radv_buffer_view_to_handle(src) },
+				              },
+				              {
+				                      .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+				                      .dstBinding = 1,
+				                      .dstArrayElement = 0,
+				                      .descriptorCount = 1,
+				                      .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
+				                      .pTexelBufferView = (VkBufferView[])  { radv_buffer_view_to_handle(dst) },
+				              }
+				      });
+}
+
+static void
+radv_meta_buffer_to_image_cs_r32g32b32(struct radv_cmd_buffer *cmd_buffer,
+				       struct radv_meta_blit2d_buffer *src,
+				       struct radv_meta_blit2d_surf *dst,
+				       unsigned num_rects,
+				       struct radv_meta_blit2d_rect *rects)
+{
+	VkPipeline pipeline = cmd_buffer->device->meta_state.btoi_r32g32b32.pipeline;
+	struct radv_device_memory mem = { .bo = dst->image->bo };
+	struct radv_device *device = cmd_buffer->device;
+	struct radv_buffer_view src_view, dst_view;
+	unsigned dst_offset = 0;
+	unsigned stride;
+	VkFormat dst_format;
+	VkBuffer buffer;
+
+	switch (dst->format) {
+	case VK_FORMAT_R32G32B32_UINT:
+		dst_format = VK_FORMAT_R32_UINT;
+		break;
+	case VK_FORMAT_R32G32B32_SINT:
+		dst_format = VK_FORMAT_R32_SINT;
+		break;
+	case VK_FORMAT_R32G32B32_SFLOAT:
+		dst_format = VK_FORMAT_R32_SFLOAT;
+		break;
+	default:
+		unreachable("invalid R32G32B32 format");
+	}
+
+	/* This special btoi path for R32G32B32 formats will write the linear
+	 * image as a buffer with the same underlying memory. The compute
+	 * shader will clear all components separately using a R32 format.
+	 */
+	radv_CreateBuffer(radv_device_to_handle(device),
+			  &(VkBufferCreateInfo) {
+				.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
+				.flags = 0,
+				.size = dst->image->size,
+				.usage = VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT,
+				.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
+			  }, NULL, &buffer);
+
+	radv_BindBufferMemory2(radv_device_to_handle(device), 1,
+			       (VkBindBufferMemoryInfoKHR[]) {
+				    {
+					.sType = VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO,
+					.buffer = buffer,
+					.memory = radv_device_memory_to_handle(&mem),
+					.memoryOffset = dst->image->offset,
+				    }
+			       });
+
+	create_bview(cmd_buffer, src->buffer, src->offset,
+		     src->format, &src_view);
+	create_bview(cmd_buffer, radv_buffer_from_handle(buffer), dst_offset,
+		     dst_format, &dst_view);
+	btoi_r32g32b32_bind_descriptors(cmd_buffer, &src_view, &dst_view);
+
+	radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer),
+			     VK_PIPELINE_BIND_POINT_COMPUTE, pipeline);
+
+	struct radv_image_view iview;
+	radv_image_view_init(&iview, cmd_buffer->device,
+			     &(VkImageViewCreateInfo) {
+				     .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
+					     .image = radv_image_to_handle(dst->image),
+					     .viewType = VK_IMAGE_VIEW_TYPE_2D,
+					     .format = VK_FORMAT_R32_UINT,
+					     .subresourceRange = {
+					     .aspectMask = dst->aspect_mask,
+					     .baseMipLevel = dst->level,
+					     .levelCount = 1,
+					     .baseArrayLayer = dst->layer,
+					     .layerCount = 1
+				     },
+			     });
+
+	if (cmd_buffer->device->physical_device->rad_info.chip_class >= GFX9) {
+		stride = dst->image->surface.u.gfx9.surf_pitch;
+	} else {
+		stride = dst->image->surface.u.legacy.level[0].nblk_x * 3;
+	}
+
+	for (unsigned r = 0; r < num_rects; ++r) {
+		unsigned push_constants[4] = {
+			rects[r].dst_x,
+			rects[r].dst_y,
+			stride,
+			src->pitch,
+		};
+
+		radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer),
+				      device->meta_state.btoi_r32g32b32.img_p_layout,
+				      VK_SHADER_STAGE_COMPUTE_BIT, 0, 16,
+				      push_constants);
+
+		radv_unaligned_dispatch(cmd_buffer, rects[r].width, rects[r].height, 1);
+	}
+
+	radv_DestroyBuffer(radv_device_to_handle(device), buffer, NULL);
+}
+
 static void
 btoi_bind_descriptors(struct radv_cmd_buffer *cmd_buffer,
 		      struct radv_buffer_view *src,
@@ -1269,6 +1619,14 @@ radv_meta_buffer_to_image_cs(struct radv_cmd_buffer *cmd_buffer,
 	struct radv_buffer_view src_view;
 	struct radv_image_view dst_view;
 
+	if (dst->image->vk_format == VK_FORMAT_R32G32B32_UINT ||
+	    dst->image->vk_format == VK_FORMAT_R32G32B32_SINT ||
+	    dst->image->vk_format == VK_FORMAT_R32G32B32_SFLOAT) {
+		radv_meta_buffer_to_image_cs_r32g32b32(cmd_buffer, src, dst,
+						       num_rects, rects);
+		return;
+	}
+
 	create_bview(cmd_buffer, src->buffer, src->offset, src->format, &src_view);
 	create_iview(cmd_buffer, dst, &dst_view);
 	btoi_bind_descriptors(cmd_buffer, &src_view, &dst_view);
diff --git a/src/amd/vulkan/radv_meta_copy.c b/src/amd/vulkan/radv_meta_copy.c
index f4de5528ed..41da302cf8 100644
--- a/src/amd/vulkan/radv_meta_copy.c
+++ b/src/amd/vulkan/radv_meta_copy.c
@@ -195,10 +195,14 @@ meta_copy_buffer_to_image(struct radv_cmd_buffer *cmd_buffer,
 
 
 			/* Perform Blit */
-			if (cs)
+			if (cs ||
+			    (img_bsurf.image->vk_format == VK_FORMAT_R32G32B32_UINT ||
+			     img_bsurf.image->vk_format == VK_FORMAT_R32G32B32_SINT ||
+			     img_bsurf.image->vk_format == VK_FORMAT_R32G32B32_SFLOAT)) {
 				radv_meta_buffer_to_image_cs(cmd_buffer, &buf_bsurf, &img_bsurf, 1, &rect);
-			else
+			} else {
 				radv_meta_blit2d(cmd_buffer, NULL, &buf_bsurf, &img_bsurf, 1, &rect);
+			}
 
 			/* Once we've done the blit, all of the actual information about
 			 * the image is embedded in the command buffer so we can just
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index 33ba8a7354..9ca777acba 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -503,6 +503,11 @@ struct radv_meta_state {
 		VkPipeline pipeline;
 		VkPipeline pipeline_3d;
 	} btoi;
+	struct {
+		VkPipelineLayout                          img_p_layout;
+		VkDescriptorSetLayout                     img_ds_layout;
+		VkPipeline pipeline;
+	} btoi_r32g32b32;
 	struct {
 		VkPipelineLayout                          img_p_layout;
 		VkDescriptorSetLayout                     img_ds_layout;
-- 
2.19.1



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