src/amd/vulkan/radv_meta_decompress.c - platform/external/mesa3d - Git at Google

 /*
  * Copyright © 2016 Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  */

 #include <assert.h>
 #include <stdbool.h>

 #include "radv_meta.h"
 #include "radv_private.h"
 #include "nir/nir_builder.h"
 #include "sid.h"
 /**
  * Vertex attributes used by all pipelines.
  */
 struct vertex_attrs {
 	float position[2]; /**< 3DPRIM_RECTLIST */
 };

 /* passthrough vertex shader */
 static nir_shader *
 build_nir_vs(void)
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();

 	nir_builder b;
 	nir_variable *a_position;
 	nir_variable *v_position;

 	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
 	b.shader->info->name = ralloc_strdup(b.shader, "meta_depth_decomp_vs");

 	a_position = nir_variable_create(b.shader, nir_var_shader_in, vec4,
 					 "a_position");
 	a_position->data.location = VERT_ATTRIB_GENERIC0;

 	v_position = nir_variable_create(b.shader, nir_var_shader_out, vec4,
 					 "gl_Position");
 	v_position->data.location = VARYING_SLOT_POS;

 	nir_copy_var(&b, v_position, a_position);

 	return b.shader;
 }

 /* simple passthrough shader */
 static nir_shader *
 build_nir_fs(void)
 {
 	nir_builder b;

 	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info->name = ralloc_asprintf(b.shader,
 					       "meta_depth_decomp_noop_fs");

 	return b.shader;
 }

 static VkResult
 create_pass(struct radv_device *device)
 {
 	VkResult result;
 	VkDevice device_h = radv_device_to_handle(device);
 	const VkAllocationCallbacks *alloc = &device->meta_state.alloc;
 	VkAttachmentDescription attachment;

 	attachment.format = VK_FORMAT_UNDEFINED;
 	attachment.samples = 1;
 	attachment.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
 	attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
 	attachment.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
 	attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

 	result = radv_CreateRenderPass(device_h,
 				       &(VkRenderPassCreateInfo) {
 					       .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
 						       .attachmentCount = 1,
 						       .pAttachments = &attachment,
 						       .subpassCount = 1,
 							.pSubpasses = &(VkSubpassDescription) {
 						       .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
 						       .inputAttachmentCount = 0,
 						       .colorAttachmentCount = 0,
 						       .pColorAttachments = NULL,
 						       .pResolveAttachments = NULL,
 						       .pDepthStencilAttachment = &(VkAttachmentReference) {
 							       .attachment = 0,
 							       .layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
 						       },
 						       .preserveAttachmentCount = 0,
 						       .pPreserveAttachments = NULL,
 					       },
 								.dependencyCount = 0,
 								   },
 				       alloc,
 				       &device->meta_state.depth_decomp.pass);

 	return result;
 }

 static VkResult
 create_pipeline(struct radv_device *device,
                 VkShaderModule vs_module_h)
 {
 	VkResult result;
 	VkDevice device_h = radv_device_to_handle(device);

 	struct radv_shader_module fs_module = {
 		.nir = build_nir_fs(),
 	};

 	if (!fs_module.nir) {
 		/* XXX: Need more accurate error */
 		result = VK_ERROR_OUT_OF_HOST_MEMORY;
 		goto cleanup;
 	}

 	const VkGraphicsPipelineCreateInfo pipeline_create_info = {
 		.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
 		.stageCount = 2,
 		.pStages = (VkPipelineShaderStageCreateInfo[]) {
 		       {
 				.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
 				.stage = VK_SHADER_STAGE_VERTEX_BIT,
 				.module = vs_module_h,
 				.pName = "main",
 			},
 			{
 				.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
 				.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
 				.module = radv_shader_module_to_handle(&fs_module),
 				.pName = "main",
 			},
 		},
 		.pVertexInputState = &(VkPipelineVertexInputStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
 			.vertexBindingDescriptionCount = 1,
 			.pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) {
 				{
 					.binding = 0,
 					.stride = sizeof(struct vertex_attrs),
 					.inputRate = VK_VERTEX_INPUT_RATE_VERTEX
 				},
 			},
 			.vertexAttributeDescriptionCount = 1,
 			.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) {
 				{
 					/* Position */
 					.location = 0,
 					.binding = 0,
 					.format = VK_FORMAT_R32G32_SFLOAT,
 					.offset = offsetof(struct vertex_attrs, position),
 				},
 			},
 		},
 		.pInputAssemblyState = &(VkPipelineInputAssemblyStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
 			.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
 			.primitiveRestartEnable = false,
 		},
 		.pViewportState = &(VkPipelineViewportStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
 			.viewportCount = 0,
 			.scissorCount = 0,
 		},
 		.pRasterizationState = &(VkPipelineRasterizationStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
 			.depthClampEnable = false,
 			.rasterizerDiscardEnable = false,
 			.polygonMode = VK_POLYGON_MODE_FILL,
 			.cullMode = VK_CULL_MODE_NONE,
 			.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
 		},
 		.pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
 			.rasterizationSamples = 1,
 			.sampleShadingEnable = false,
 			.pSampleMask = NULL,
 			.alphaToCoverageEnable = false,
 			.alphaToOneEnable = false,
 		},
 		.pColorBlendState = &(VkPipelineColorBlendStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
 			.logicOpEnable = false,
 			.attachmentCount = 0,
 			.pAttachments = NULL,
 		},
 		.pDepthStencilState = &(VkPipelineDepthStencilStateCreateInfo) {
 			.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
 			.depthTestEnable = false,
 			.depthWriteEnable = false,
 			.depthBoundsTestEnable = false,
 			.stencilTestEnable = false,
 		},
 		.pDynamicState = NULL,
 		.renderPass = device->meta_state.depth_decomp.pass,
 		.subpass = 0,
 	};

 	result = radv_graphics_pipeline_create(device_h,
 					       radv_pipeline_cache_to_handle(&device->meta_state.cache),
 					       &pipeline_create_info,
 					       &(struct radv_graphics_pipeline_create_info) {
 							.use_rectlist = true,
 							.db_flush_depth_inplace = true,
 							.db_flush_stencil_inplace = true,
 					       },
 					       &device->meta_state.alloc,
 					       &device->meta_state.depth_decomp.decompress_pipeline);
 	if (result != VK_SUCCESS)
 		goto cleanup;

 	result = radv_graphics_pipeline_create(device_h,
 					       radv_pipeline_cache_to_handle(&device->meta_state.cache),
 					       &pipeline_create_info,
 					       &(struct radv_graphics_pipeline_create_info) {
 							.use_rectlist = true,
 							.db_flush_depth_inplace = true,
 							.db_flush_stencil_inplace = true,
 							.db_resummarize = true,
 					       },
 					       &device->meta_state.alloc,
 					       &device->meta_state.depth_decomp.resummarize_pipeline);
 	if (result != VK_SUCCESS)
 		goto cleanup;

 	goto cleanup;

 cleanup:
 	ralloc_free(fs_module.nir);
 	return result;
 }

 void
 radv_device_finish_meta_depth_decomp_state(struct radv_device *device)
 {
 	struct radv_meta_state *state = &device->meta_state;
 	VkDevice device_h = radv_device_to_handle(device);
 	VkRenderPass pass_h = device->meta_state.depth_decomp.pass;
 	const VkAllocationCallbacks *alloc = &device->meta_state.alloc;

 	if (pass_h)
 		radv_DestroyRenderPass(device_h, pass_h,
 					     &device->meta_state.alloc);

 	VkPipeline pipeline_h = state->depth_decomp.decompress_pipeline;
 	if (pipeline_h) {
 		radv_DestroyPipeline(device_h, pipeline_h, alloc);
 	}
 	pipeline_h = state->depth_decomp.resummarize_pipeline;
 	if (pipeline_h) {
 		radv_DestroyPipeline(device_h, pipeline_h, alloc);
 	}
 }

 VkResult
 radv_device_init_meta_depth_decomp_state(struct radv_device *device)
 {
 	VkResult res = VK_SUCCESS;

 	zero(device->meta_state.depth_decomp);

 	struct radv_shader_module vs_module = { .nir = build_nir_vs() };
 	if (!vs_module.nir) {
 		/* XXX: Need more accurate error */
 		res = VK_ERROR_OUT_OF_HOST_MEMORY;
 		goto fail;
 	}

 	res = create_pass(device);
 	if (res != VK_SUCCESS)
 		goto fail;

 	VkShaderModule vs_module_h = radv_shader_module_to_handle(&vs_module);
 	res = create_pipeline(device, vs_module_h);
 	if (res != VK_SUCCESS)
 		goto fail;

 	goto cleanup;

 fail:
 	radv_device_finish_meta_depth_decomp_state(device);

 cleanup:
 	ralloc_free(vs_module.nir);

 	return res;
 }

 static void
 emit_depth_decomp(struct radv_cmd_buffer *cmd_buffer,
 		  const VkOffset2D *dest_offset,
 		  const VkExtent2D *depth_decomp_extent,
 		  VkPipeline pipeline_h)
 {
 	struct radv_device *device = cmd_buffer->device;
 	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
 	uint32_t offset;
 	const struct vertex_attrs vertex_data[3] = {
 		{
 			.position = {
 				dest_offset->x,
 				dest_offset->y,
 			},
 		},
 		{
 			.position = {
 				dest_offset->x,
 				dest_offset->y + depth_decomp_extent->height,
 			},
 		},
 		{
 			.position = {
 				dest_offset->x + depth_decomp_extent->width,
 				dest_offset->y,
 			},
 		},
 	};

 	radv_cmd_buffer_upload_data(cmd_buffer, sizeof(vertex_data), 16, vertex_data, &offset);
 	struct radv_buffer vertex_buffer = {
 		.device = device,
 		.size = sizeof(vertex_data),
 		.bo = cmd_buffer->upload.upload_bo,
 		.offset = offset,
 	};

 	VkBuffer vertex_buffer_h = radv_buffer_to_handle(&vertex_buffer);

 	radv_CmdBindVertexBuffers(cmd_buffer_h,
 				  /*firstBinding*/ 0,
 				  /*bindingCount*/ 1,
 				  (VkBuffer[]) { vertex_buffer_h },
 				  (VkDeviceSize[]) { 0 });

 	RADV_FROM_HANDLE(radv_pipeline, pipeline, pipeline_h);

 	if (cmd_buffer->state.pipeline != pipeline) {
 		radv_CmdBindPipeline(cmd_buffer_h, VK_PIPELINE_BIND_POINT_GRAPHICS,
 				     pipeline_h);
 	}

 	radv_CmdDraw(cmd_buffer_h, 3, 1, 0, 0);
 }


 static void radv_process_depth_image_inplace(struct radv_cmd_buffer *cmd_buffer,
 					     struct radv_image *image,
 					     VkImageSubresourceRange *subresourceRange,
 					     VkPipeline pipeline_h)
 {
 	struct radv_meta_saved_state saved_state;
 	struct radv_meta_saved_pass_state saved_pass_state;
 	VkDevice device_h = radv_device_to_handle(cmd_buffer->device);
 	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
 	uint32_t width = radv_minify(image->extent.width,
 				     subresourceRange->baseMipLevel);
 	uint32_t height = radv_minify(image->extent.height,
 				     subresourceRange->baseMipLevel);

 	if (!image->htile.size)
 		return;
 	radv_meta_save_pass(&saved_pass_state, cmd_buffer);

 	radv_meta_save_graphics_reset_vport_scissor(&saved_state, cmd_buffer);

 	for (uint32_t layer = 0; layer < radv_get_layerCount(image, subresourceRange); layer++) {
 		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(image),
 					     .format = image->vk_format,
 					     .subresourceRange = {
 						     .aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
 						     .baseMipLevel = subresourceRange->baseMipLevel,
 						     .levelCount = 1,
 						     .baseArrayLayer = subresourceRange->baseArrayLayer + layer,
 						     .layerCount = 1,
 					     },
 				     },
 				     cmd_buffer, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);


 		VkFramebuffer fb_h;
 		radv_CreateFramebuffer(device_h,
 				       &(VkFramebufferCreateInfo) {
 					       .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
 					       .attachmentCount = 1,
 						       .pAttachments = (VkImageView[]) {
 						       radv_image_view_to_handle(&iview)
 					       },
 					       .width = width,
 						.height = height,
 					       .layers = 1
 				       },
 				       &cmd_buffer->pool->alloc,
 				       &fb_h);

 		radv_CmdBeginRenderPass(cmd_buffer_h,
 					      &(VkRenderPassBeginInfo) {
 						      .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
 							      .renderPass = cmd_buffer->device->meta_state.depth_decomp.pass,
 							      .framebuffer = fb_h,
 							      .renderArea = {
 							      .offset = {
 								      0,
 								      0,
 							      },
 							      .extent = {
 								      width,
 								      height,
 							      }
 						       },
 						       .clearValueCount = 0,
 						       .pClearValues = NULL,
 					   },
 					   VK_SUBPASS_CONTENTS_INLINE);

 		emit_depth_decomp(cmd_buffer, &(VkOffset2D){0, 0 }, &(VkExtent2D){width, height}, pipeline_h);
 		radv_CmdEndRenderPass(cmd_buffer_h);

 		radv_DestroyFramebuffer(device_h, fb_h,
 					&cmd_buffer->pool->alloc);
 	}
 	radv_meta_restore(&saved_state, cmd_buffer);
 	radv_meta_restore_pass(&saved_pass_state, cmd_buffer);
 }

 void radv_decompress_depth_image_inplace(struct radv_cmd_buffer *cmd_buffer,
 					 struct radv_image *image,
 					 VkImageSubresourceRange *subresourceRange)
 {
 	assert(cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL);
 	radv_process_depth_image_inplace(cmd_buffer, image, subresourceRange,
 					 cmd_buffer->device->meta_state.depth_decomp.decompress_pipeline);
 }

 void radv_resummarize_depth_image_inplace(struct radv_cmd_buffer *cmd_buffer,
 					 struct radv_image *image,
 					 VkImageSubresourceRange *subresourceRange)
 {
 	assert(cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL);
 	radv_process_depth_image_inplace(cmd_buffer, image, subresourceRange,
 					 cmd_buffer->device->meta_state.depth_decomp.resummarize_pipeline);
 }
	/*
	* Copyright © 2016 Intel Corporation
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	* IN THE SOFTWARE.
	*/

	#include <assert.h>
	#include <stdbool.h>

	#include "radv_meta.h"
	#include "radv_private.h"
	#include "nir/nir_builder.h"
	#include "sid.h"
	/**
	* Vertex attributes used by all pipelines.
	*/
	struct vertex_attrs {
	float position[2]; /*< 3DPRIM_RECTLIST /
	};

	/* passthrough vertex shader */
	static nir_shader *
	build_nir_vs(void)
	{
	const struct glsl_type *vec4 = glsl_vec4_type();

	nir_builder b;
	nir_variable *a_position;
	nir_variable *v_position;

	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
	b.shader->info->name = ralloc_strdup(b.shader, "meta_depth_decomp_vs");

	a_position = nir_variable_create(b.shader, nir_var_shader_in, vec4,
	"a_position");
	a_position->data.location = VERT_ATTRIB_GENERIC0;

	v_position = nir_variable_create(b.shader, nir_var_shader_out, vec4,
	"gl_Position");
	v_position->data.location = VARYING_SLOT_POS;

	nir_copy_var(&b, v_position, a_position);

	return b.shader;
	}

	/* simple passthrough shader */
	static nir_shader *
	build_nir_fs(void)
	{
	nir_builder b;

	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
	b.shader->info->name = ralloc_asprintf(b.shader,
	"meta_depth_decomp_noop_fs");

	return b.shader;
	}

	static VkResult
	create_pass(struct radv_device *device)
	{
	VkResult result;
	VkDevice device_h = radv_device_to_handle(device);
	const VkAllocationCallbacks *alloc = &device->meta_state.alloc;
	VkAttachmentDescription attachment;

	attachment.format = VK_FORMAT_UNDEFINED;
	attachment.samples = 1;
	attachment.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
	attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
	attachment.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
	attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

	result = radv_CreateRenderPass(device_h,
	&(VkRenderPassCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
	.attachmentCount = 1,
	.pAttachments = &attachment,
	.subpassCount = 1,
	.pSubpasses = &(VkSubpassDescription) {
	.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
	.inputAttachmentCount = 0,
	.colorAttachmentCount = 0,
	.pColorAttachments = NULL,
	.pResolveAttachments = NULL,
	.pDepthStencilAttachment = &(VkAttachmentReference) {
	.attachment = 0,
	.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
	},
	.preserveAttachmentCount = 0,
	.pPreserveAttachments = NULL,
	},
	.dependencyCount = 0,
	},
	alloc,
	&device->meta_state.depth_decomp.pass);

	return result;
	}

	static VkResult
	create_pipeline(struct radv_device *device,
	VkShaderModule vs_module_h)
	{
	VkResult result;
	VkDevice device_h = radv_device_to_handle(device);

	struct radv_shader_module fs_module = {
	.nir = build_nir_fs(),
	};

	if (!fs_module.nir) {
	/* XXX: Need more accurate error */
	result = VK_ERROR_OUT_OF_HOST_MEMORY;
	goto cleanup;
	}

	const VkGraphicsPipelineCreateInfo pipeline_create_info = {
	.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
	.stageCount = 2,
	.pStages = (VkPipelineShaderStageCreateInfo[]) {
	{
	.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
	.stage = VK_SHADER_STAGE_VERTEX_BIT,
	.module = vs_module_h,
	.pName = "main",
	},
	{
	.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
	.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
	.module = radv_shader_module_to_handle(&fs_module),
	.pName = "main",
	},
	},
	.pVertexInputState = &(VkPipelineVertexInputStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
	.vertexBindingDescriptionCount = 1,
	.pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) {
	{
	.binding = 0,
	.stride = sizeof(struct vertex_attrs),
	.inputRate = VK_VERTEX_INPUT_RATE_VERTEX
	},
	},
	.vertexAttributeDescriptionCount = 1,
	.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) {
	{
	/* Position */
	.location = 0,
	.binding = 0,
	.format = VK_FORMAT_R32G32_SFLOAT,
	.offset = offsetof(struct vertex_attrs, position),
	},
	},
	},
	.pInputAssemblyState = &(VkPipelineInputAssemblyStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
	.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
	.primitiveRestartEnable = false,
	},
	.pViewportState = &(VkPipelineViewportStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
	.viewportCount = 0,
	.scissorCount = 0,
	},
	.pRasterizationState = &(VkPipelineRasterizationStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
	.depthClampEnable = false,
	.rasterizerDiscardEnable = false,
	.polygonMode = VK_POLYGON_MODE_FILL,
	.cullMode = VK_CULL_MODE_NONE,
	.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
	},
	.pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
	.rasterizationSamples = 1,
	.sampleShadingEnable = false,
	.pSampleMask = NULL,
	.alphaToCoverageEnable = false,
	.alphaToOneEnable = false,
	},
	.pColorBlendState = &(VkPipelineColorBlendStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
	.logicOpEnable = false,
	.attachmentCount = 0,
	.pAttachments = NULL,
	},
	.pDepthStencilState = &(VkPipelineDepthStencilStateCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
	.depthTestEnable = false,
	.depthWriteEnable = false,
	.depthBoundsTestEnable = false,
	.stencilTestEnable = false,
	},
	.pDynamicState = NULL,
	.renderPass = device->meta_state.depth_decomp.pass,
	.subpass = 0,
	};

	result = radv_graphics_pipeline_create(device_h,
	radv_pipeline_cache_to_handle(&device->meta_state.cache),
	&pipeline_create_info,
	&(struct radv_graphics_pipeline_create_info) {
	.use_rectlist = true,
	.db_flush_depth_inplace = true,
	.db_flush_stencil_inplace = true,
	},
	&device->meta_state.alloc,
	&device->meta_state.depth_decomp.decompress_pipeline);
	if (result != VK_SUCCESS)
	goto cleanup;

	result = radv_graphics_pipeline_create(device_h,
	radv_pipeline_cache_to_handle(&device->meta_state.cache),
	&pipeline_create_info,
	&(struct radv_graphics_pipeline_create_info) {
	.use_rectlist = true,
	.db_flush_depth_inplace = true,
	.db_flush_stencil_inplace = true,
	.db_resummarize = true,
	},
	&device->meta_state.alloc,
	&device->meta_state.depth_decomp.resummarize_pipeline);
	if (result != VK_SUCCESS)
	goto cleanup;

	goto cleanup;

	cleanup:
	ralloc_free(fs_module.nir);
	return result;
	}

	void
	radv_device_finish_meta_depth_decomp_state(struct radv_device *device)
	{
	struct radv_meta_state *state = &device->meta_state;
	VkDevice device_h = radv_device_to_handle(device);
	VkRenderPass pass_h = device->meta_state.depth_decomp.pass;
	const VkAllocationCallbacks *alloc = &device->meta_state.alloc;

	if (pass_h)
	radv_DestroyRenderPass(device_h, pass_h,
	&device->meta_state.alloc);

	VkPipeline pipeline_h = state->depth_decomp.decompress_pipeline;
	if (pipeline_h) {
	radv_DestroyPipeline(device_h, pipeline_h, alloc);
	}
	pipeline_h = state->depth_decomp.resummarize_pipeline;
	if (pipeline_h) {
	radv_DestroyPipeline(device_h, pipeline_h, alloc);
	}
	}

	VkResult
	radv_device_init_meta_depth_decomp_state(struct radv_device *device)
	{
	VkResult res = VK_SUCCESS;

	zero(device->meta_state.depth_decomp);

	struct radv_shader_module vs_module = { .nir = build_nir_vs() };
	if (!vs_module.nir) {
	/* XXX: Need more accurate error */
	res = VK_ERROR_OUT_OF_HOST_MEMORY;
	goto fail;
	}

	res = create_pass(device);
	if (res != VK_SUCCESS)
	goto fail;

	VkShaderModule vs_module_h = radv_shader_module_to_handle(&vs_module);
	res = create_pipeline(device, vs_module_h);
	if (res != VK_SUCCESS)
	goto fail;

	goto cleanup;

	fail:
	radv_device_finish_meta_depth_decomp_state(device);

	cleanup:
	ralloc_free(vs_module.nir);

	return res;
	}

	static void
	emit_depth_decomp(struct radv_cmd_buffer *cmd_buffer,
	const VkOffset2D *dest_offset,
	const VkExtent2D *depth_decomp_extent,
	VkPipeline pipeline_h)
	{
	struct radv_device *device = cmd_buffer->device;
	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
	uint32_t offset;
	const struct vertex_attrs vertex_data[3] = {
	{
	.position = {
	dest_offset->x,
	dest_offset->y,
	},
	},
	{
	.position = {
	dest_offset->x,
	dest_offset->y + depth_decomp_extent->height,
	},
	},
	{
	.position = {
	dest_offset->x + depth_decomp_extent->width,
	dest_offset->y,
	},
	},
	};

	radv_cmd_buffer_upload_data(cmd_buffer, sizeof(vertex_data), 16, vertex_data, &offset);
	struct radv_buffer vertex_buffer = {
	.device = device,
	.size = sizeof(vertex_data),
	.bo = cmd_buffer->upload.upload_bo,
	.offset = offset,
	};

	VkBuffer vertex_buffer_h = radv_buffer_to_handle(&vertex_buffer);

	radv_CmdBindVertexBuffers(cmd_buffer_h,
	/firstBinding/ 0,
	/bindingCount/ 1,
	(VkBuffer[]) { vertex_buffer_h },
	(VkDeviceSize[]) { 0 });

	RADV_FROM_HANDLE(radv_pipeline, pipeline, pipeline_h);

	if (cmd_buffer->state.pipeline != pipeline) {
	radv_CmdBindPipeline(cmd_buffer_h, VK_PIPELINE_BIND_POINT_GRAPHICS,
	pipeline_h);
	}

	radv_CmdDraw(cmd_buffer_h, 3, 1, 0, 0);
	}


	static void radv_process_depth_image_inplace(struct radv_cmd_buffer *cmd_buffer,
	struct radv_image *image,
	VkImageSubresourceRange *subresourceRange,
	VkPipeline pipeline_h)
	{
	struct radv_meta_saved_state saved_state;
	struct radv_meta_saved_pass_state saved_pass_state;
	VkDevice device_h = radv_device_to_handle(cmd_buffer->device);
	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
	uint32_t width = radv_minify(image->extent.width,
	subresourceRange->baseMipLevel);
	uint32_t height = radv_minify(image->extent.height,
	subresourceRange->baseMipLevel);

	if (!image->htile.size)
	return;
	radv_meta_save_pass(&saved_pass_state, cmd_buffer);

	radv_meta_save_graphics_reset_vport_scissor(&saved_state, cmd_buffer);

	for (uint32_t layer = 0; layer < radv_get_layerCount(image, subresourceRange); layer++) {
	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(image),
	.format = image->vk_format,
	.subresourceRange = {
	.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
	.baseMipLevel = subresourceRange->baseMipLevel,
	.levelCount = 1,
	.baseArrayLayer = subresourceRange->baseArrayLayer + layer,
	.layerCount = 1,
	},
	},
	cmd_buffer, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);


	VkFramebuffer fb_h;
	radv_CreateFramebuffer(device_h,
	&(VkFramebufferCreateInfo) {
	.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
	.attachmentCount = 1,
	.pAttachments = (VkImageView[]) {
	radv_image_view_to_handle(&iview)
	},
	.width = width,
	.height = height,
	.layers = 1
	},
	&cmd_buffer->pool->alloc,
	&fb_h);

	radv_CmdBeginRenderPass(cmd_buffer_h,
	&(VkRenderPassBeginInfo) {
	.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
	.renderPass = cmd_buffer->device->meta_state.depth_decomp.pass,
	.framebuffer = fb_h,
	.renderArea = {
	.offset = {
	0,
	0,
	},
	.extent = {
	width,
	height,
	}
	},
	.clearValueCount = 0,
	.pClearValues = NULL,
	},
	VK_SUBPASS_CONTENTS_INLINE);

	emit_depth_decomp(cmd_buffer, &(VkOffset2D){0, 0 }, &(VkExtent2D){width, height}, pipeline_h);
	radv_CmdEndRenderPass(cmd_buffer_h);

	radv_DestroyFramebuffer(device_h, fb_h,
	&cmd_buffer->pool->alloc);
	}
	radv_meta_restore(&saved_state, cmd_buffer);
	radv_meta_restore_pass(&saved_pass_state, cmd_buffer);
	}

	void radv_decompress_depth_image_inplace(struct radv_cmd_buffer *cmd_buffer,
	struct radv_image *image,
	VkImageSubresourceRange *subresourceRange)
	{
	assert(cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL);
	radv_process_depth_image_inplace(cmd_buffer, image, subresourceRange,
	cmd_buffer->device->meta_state.depth_decomp.decompress_pipeline);
	}

	void radv_resummarize_depth_image_inplace(struct radv_cmd_buffer *cmd_buffer,
	struct radv_image *image,
	VkImageSubresourceRange *subresourceRange)
	{
	assert(cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL);
	radv_process_depth_image_inplace(cmd_buffer, image, subresourceRange,
	cmd_buffer->device->meta_state.depth_decomp.resummarize_pipeline);
	}