radv/meta: add resolve pass using fragment/vertex shaders

In order to resolve into DCC enabled dests we need to use
the fragment shader. This reuses the code from the compute
path and implements a resolve path in vertex/fragment shader.

This code isn't used until later.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 657 insertions, 0 deletions

diff --git a/src/amd/vulkan/radv_meta_resolve_fs.c b/src/amd/vulkan/radv_meta_resolve_fs.c
new file mode 100644
index 00000000000..884399ba4f5
--- /dev/null
+++ b/src/amd/vulkan/radv_meta_resolve_fs.c
@@ -0,0 +1,657 @@
+/*
+ * Copyright © 2016 Dave Airlie
+ *
+ * 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"
+#include "vk_format.h"
+
+static nir_shader *
+build_nir_vertex_shader(void)
+{
+	const struct glsl_type *vec4 = glsl_vec4_type();
+	nir_builder b;
+
+	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
+	b.shader->info->name = ralloc_strdup(b.shader, "meta_resolve_vs");
+
+	nir_variable *pos_out = nir_variable_create(b.shader, nir_var_shader_out,
+						    vec4, "gl_Position");
+	pos_out->data.location = VARYING_SLOT_POS;
+
+	nir_ssa_def *outvec = radv_meta_gen_rect_vertices(&b);
+
+	nir_store_var(&b, pos_out, outvec, 0xf);
+	return b.shader;
+}
+
+static nir_shader *
+build_resolve_fragment_shader(struct radv_device *dev, bool is_integer, bool is_srgb, int samples)
+{
+	nir_builder b;
+	char name[64];
+	const struct glsl_type *vec2 = glsl_vector_type(GLSL_TYPE_FLOAT, 2);
+	const struct glsl_type *vec4 = glsl_vec4_type();
+	const struct glsl_type *sampler_type = glsl_sampler_type(GLSL_SAMPLER_DIM_MS,
+								 false,
+								 false,
+								 GLSL_TYPE_FLOAT);
+
+	snprintf(name, 64, "meta_resolve_fs-%d-%s", samples, is_integer ? "int" : (is_srgb ? "srgb" : "float"));
+	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	b.shader->info->name = ralloc_strdup(b.shader, name);
+
+	nir_variable *input_img = nir_variable_create(b.shader, nir_var_uniform,
+						      sampler_type, "s_tex");
+	input_img->data.descriptor_set = 0;
+	input_img->data.binding = 0;
+
+	nir_variable *fs_pos_in = nir_variable_create(b.shader, nir_var_shader_in, vec2, "fs_pos_in");
+	fs_pos_in->data.location = VARYING_SLOT_POS;
+
+	nir_variable *color_out = nir_variable_create(b.shader, nir_var_shader_out,
+						      vec4, "f_color");
+	color_out->data.location = FRAG_RESULT_DATA0;
+
+	nir_ssa_def *pos_in = nir_load_var(&b, fs_pos_in);
+	nir_intrinsic_instr *src_offset = nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_push_constant);
+	src_offset->src[0] = nir_src_for_ssa(nir_imm_int(&b, 0));
+	src_offset->num_components = 2;
+	nir_ssa_dest_init(&src_offset->instr, &src_offset->dest, 2, 32, "src_offset");
+	nir_builder_instr_insert(&b, &src_offset->instr);
+
+	nir_ssa_def *pos_int = nir_f2i32(&b, pos_in);
+
+	nir_ssa_def *img_coord = nir_channels(&b, nir_iadd(&b, pos_int, &src_offset->dest.ssa), 0x3);
+	nir_variable *color = nir_local_variable_create(b.impl, glsl_vec4_type(), "color");
+
+	radv_meta_build_resolve_shader_core(&b, is_integer, is_srgb,samples,
+					    input_img, color, img_coord);
+
+	nir_ssa_def *outval = nir_load_var(&b, color);
+	nir_store_var(&b, color_out, outval, 0xf);
+	return b.shader;
+}
+
+
+static VkResult
+create_layout(struct radv_device *device)
+{
+	VkResult result;
+	/*
+	 * one descriptors for the image being sampled
+	 */
+	VkDescriptorSetLayoutCreateInfo ds_create_info = {
+		.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
+		.flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR,
+		.bindingCount = 1,
+		.pBindings = (VkDescriptorSetLayoutBinding[]) {
+			{
+				.binding = 0,
+				.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+				.descriptorCount = 1,
+				.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
+				.pImmutableSamplers = NULL
+			},
+		}
+	};
+
+	result = radv_CreateDescriptorSetLayout(radv_device_to_handle(device),
+						&ds_create_info,
+						&device->meta_state.alloc,
+						&device->meta_state.resolve_fragment.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.resolve_fragment.ds_layout,
+		.pushConstantRangeCount = 1,
+		.pPushConstantRanges = &(VkPushConstantRange){VK_SHADER_STAGE_FRAGMENT_BIT, 0, 8},
+	};
+
+	result = radv_CreatePipelineLayout(radv_device_to_handle(device),
+					  &pl_create_info,
+					  &device->meta_state.alloc,
+					  &device->meta_state.resolve_fragment.p_layout);
+	if (result != VK_SUCCESS)
+		goto fail;
+	return VK_SUCCESS;
+fail:
+	return result;
+}
+
+static const VkPipelineVertexInputStateCreateInfo normal_vi_create_info = {
+	.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
+	.vertexBindingDescriptionCount = 1,
+	.pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) {
+		{
+			.binding = 0,
+			.stride = 2 * sizeof(float),
+			.inputRate = VK_VERTEX_INPUT_RATE_VERTEX
+		},
+	},
+	.vertexAttributeDescriptionCount = 1,
+	.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) {
+		{
+			/* Texture Coordinate */
+			.location = 0,
+			.binding = 0,
+			.format = VK_FORMAT_R32G32_SFLOAT,
+			.offset = 0
+		},
+	},
+};
+
+static VkFormat pipeline_formats[] = {
+   VK_FORMAT_R8G8B8A8_UNORM,
+   VK_FORMAT_R8G8B8A8_UINT,
+   VK_FORMAT_R8G8B8A8_SINT,
+   VK_FORMAT_R8G8B8A8_SRGB,
+   VK_FORMAT_R16G16B16A16_UNORM,
+   VK_FORMAT_R16G16B16A16_SNORM,
+   VK_FORMAT_R16G16B16A16_UINT,
+   VK_FORMAT_R16G16B16A16_SINT,
+   VK_FORMAT_R32_SFLOAT,
+   VK_FORMAT_R32G32_SFLOAT,
+   VK_FORMAT_R32G32B32A32_SFLOAT
+};
+
+static VkResult
+create_resolve_pipeline(struct radv_device *device,
+			int samples_log2,
+			VkFormat format)
+{
+	VkResult result;
+	bool is_integer = false, is_srgb = false;
+	uint32_t samples = 1 << samples_log2;
+	unsigned fs_key = radv_format_meta_fs_key(format);
+	const VkPipelineVertexInputStateCreateInfo *vi_create_info;
+	vi_create_info = &normal_vi_create_info;
+	if (vk_format_is_int(format))
+		is_integer = true;
+	else if (vk_format_is_srgb(format))
+		is_srgb = true;
+
+	struct radv_shader_module fs = { .nir = NULL };
+	fs.nir = build_resolve_fragment_shader(device, is_integer, is_srgb, samples);
+	struct radv_shader_module vs = {
+		.nir = build_nir_vertex_shader(),
+	};
+
+	/* compute shader */
+
+	VkPipelineShaderStageCreateInfo pipeline_shader_stages[] = {
+		{
+			.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+			.stage = VK_SHADER_STAGE_VERTEX_BIT,
+			.module = radv_shader_module_to_handle(&vs),
+			.pName = "main",
+			.pSpecializationInfo = NULL
+		}, {
+			.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+			.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
+			.module = radv_shader_module_to_handle(&fs),
+			.pName = "main",
+			.pSpecializationInfo = NULL
+		},
+	};
+
+	result = radv_CreateRenderPass(radv_device_to_handle(device),
+				       &(VkRenderPassCreateInfo) {
+					       .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
+					       .attachmentCount = 1,
+					       .pAttachments = &(VkAttachmentDescription) {
+						       .format = format,
+						       .loadOp = VK_ATTACHMENT_LOAD_OP_LOAD,
+						       .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
+						       .initialLayout = VK_IMAGE_LAYOUT_GENERAL,
+						       .finalLayout = VK_IMAGE_LAYOUT_GENERAL,
+					       },
+					       .subpassCount = 1,
+					       .pSubpasses = &(VkSubpassDescription) {
+						       .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
+						       .inputAttachmentCount = 0,
+						       .colorAttachmentCount = 1,
+						       .pColorAttachments = &(VkAttachmentReference) {
+							       .attachment = 0,
+							       .layout = VK_IMAGE_LAYOUT_GENERAL,
+						},
+					       .pResolveAttachments = NULL,
+					       .pDepthStencilAttachment = &(VkAttachmentReference) {
+						       .attachment = VK_ATTACHMENT_UNUSED,
+						       .layout = VK_IMAGE_LAYOUT_GENERAL,
+					       },
+					       .preserveAttachmentCount = 1,
+					       .pPreserveAttachments = (uint32_t[]) { 0 },
+				       },
+				       .dependencyCount = 0,
+						}, &device->meta_state.alloc, &device->meta_state.resolve_fragment.rc[samples_log2].render_pass[fs_key]);
+
+
+	const VkGraphicsPipelineCreateInfo vk_pipeline_info = {
+		.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
+		.stageCount = ARRAY_SIZE(pipeline_shader_stages),
+		.pStages = pipeline_shader_stages,
+		.pVertexInputState = vi_create_info,
+		.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 = 1,
+			.scissorCount = 1,
+		},
+		.pRasterizationState = &(VkPipelineRasterizationStateCreateInfo) {
+			.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
+			.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 = (VkSampleMask[]) { UINT32_MAX },
+		},
+		.pColorBlendState = &(VkPipelineColorBlendStateCreateInfo) {
+			.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
+			.attachmentCount = 1,
+			.pAttachments = (VkPipelineColorBlendAttachmentState []) {
+				{ .colorWriteMask =
+				  VK_COLOR_COMPONENT_A_BIT |
+				  VK_COLOR_COMPONENT_R_BIT |
+				  VK_COLOR_COMPONENT_G_BIT |
+				  VK_COLOR_COMPONENT_B_BIT },
+			}
+		},
+		.pDynamicState = &(VkPipelineDynamicStateCreateInfo) {
+			.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
+			.dynamicStateCount = 9,
+			.pDynamicStates = (VkDynamicState[]) {
+				VK_DYNAMIC_STATE_VIEWPORT,
+				VK_DYNAMIC_STATE_SCISSOR,
+				VK_DYNAMIC_STATE_LINE_WIDTH,
+				VK_DYNAMIC_STATE_DEPTH_BIAS,
+				VK_DYNAMIC_STATE_BLEND_CONSTANTS,
+				VK_DYNAMIC_STATE_DEPTH_BOUNDS,
+				VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK,
+				VK_DYNAMIC_STATE_STENCIL_WRITE_MASK,
+				VK_DYNAMIC_STATE_STENCIL_REFERENCE,
+			},
+		},
+		.flags = 0,
+		.layout = device->meta_state.resolve_fragment.p_layout,
+		.renderPass = device->meta_state.resolve_fragment.rc[samples_log2].render_pass[fs_key],
+		.subpass = 0,
+	};
+
+	const struct radv_graphics_pipeline_create_info radv_pipeline_info = {
+		.use_rectlist = true
+	};
+
+	result = radv_graphics_pipeline_create(radv_device_to_handle(device),
+					       radv_pipeline_cache_to_handle(&device->meta_state.cache),
+					       &vk_pipeline_info, &radv_pipeline_info,
+					       &device->meta_state.alloc,
+					       &device->meta_state.resolve_fragment.rc[samples_log2].pipeline[fs_key]);
+
+
+	ralloc_free(vs.nir);
+	ralloc_free(fs.nir);
+	if (result != VK_SUCCESS)
+		goto fail;
+
+	return VK_SUCCESS;
+fail:
+	ralloc_free(vs.nir);
+	ralloc_free(fs.nir);
+	return result;
+}
+
+VkResult
+radv_device_init_meta_resolve_fragment_state(struct radv_device *device)
+{
+	struct radv_meta_state *state = &device->meta_state;
+	VkResult res;
+	memset(&state->resolve_fragment, 0, sizeof(state->resolve_fragment));
+
+	res = create_layout(device);
+	if (res != VK_SUCCESS)
+		return res;
+
+	for (uint32_t i = 0; i < MAX_SAMPLES_LOG2; ++i) {
+		for (unsigned j = 0; j < ARRAY_SIZE(pipeline_formats); ++j) {
+			res = create_resolve_pipeline(device, i, pipeline_formats[j]);
+		}
+	}
+
+	return res;
+}
+
+void
+radv_device_finish_meta_resolve_fragment_state(struct radv_device *device)
+{
+	struct radv_meta_state *state = &device->meta_state;
+	for (uint32_t i = 0; i < MAX_SAMPLES_LOG2; ++i) {
+		for (unsigned j = 0; j < NUM_META_FS_KEYS; ++j) {
+			radv_DestroyRenderPass(radv_device_to_handle(device),
+					       state->resolve_fragment.rc[i].render_pass[j],
+					       &state->alloc);
+			radv_DestroyPipeline(radv_device_to_handle(device),
+					     state->resolve_fragment.rc[i].pipeline[j],
+					     &state->alloc);
+		}
+
+	}
+
+	radv_DestroyDescriptorSetLayout(radv_device_to_handle(device),
+					state->resolve_fragment.ds_layout,
+					&state->alloc);
+	radv_DestroyPipelineLayout(radv_device_to_handle(device),
+				   state->resolve_fragment.p_layout,
+				   &state->alloc);
+}
+
+static void
+emit_resolve(struct radv_cmd_buffer *cmd_buffer,
+	     struct radv_image_view *src_iview,
+	     const VkOffset2D *src_offset,
+             const VkOffset2D *dest_offset,
+             const VkExtent2D *resolve_extent)
+{
+	struct radv_device *device = cmd_buffer->device;
+	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
+	const uint32_t samples = src_iview->image->info.samples;
+	const uint32_t samples_log2 = ffs(samples) - 1;
+	radv_meta_push_descriptor_set(cmd_buffer,
+				      VK_PIPELINE_BIND_POINT_GRAPHICS,
+				      cmd_buffer->device->meta_state.resolve_fragment.p_layout,
+				      0, /* set */
+				      1, /* descriptorWriteCount */
+				      (VkWriteDescriptorSet[]) {
+					      {
+						      .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+					              .dstBinding = 0,
+					              .dstArrayElement = 0,
+					              .descriptorCount = 1,
+					              .descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+						      .pImageInfo = (VkDescriptorImageInfo[]) {
+						      {
+						      .sampler = VK_NULL_HANDLE,
+						      .imageView = radv_image_view_to_handle(src_iview),
+						      .imageLayout = VK_IMAGE_LAYOUT_GENERAL,
+						      },
+						      }
+					      },
+				      });
+
+	cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_CB;
+
+	unsigned push_constants[2] = {
+		src_offset->x,
+		src_offset->y,
+	};
+	radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer),
+			      device->meta_state.resolve_fragment.p_layout,
+			      VK_SHADER_STAGE_FRAGMENT_BIT, 0, 8,
+			      push_constants);
+
+	unsigned fs_key = radv_format_meta_fs_key(src_iview->vk_format);
+	VkPipeline pipeline_h = device->meta_state.resolve_fragment.rc[samples_log2].pipeline[fs_key];
+
+	radv_CmdBindPipeline(cmd_buffer_h, VK_PIPELINE_BIND_POINT_GRAPHICS,
+			     pipeline_h);
+
+	radv_CmdSetViewport(radv_cmd_buffer_to_handle(cmd_buffer), 0, 1, &(VkViewport) {
+		.x = dest_offset->x,
+		.y = dest_offset->y,
+		.width = resolve_extent->width,
+		.height = resolve_extent->height,
+		.minDepth = 0.0f,
+		.maxDepth = 1.0f
+	});
+
+	radv_CmdSetScissor(radv_cmd_buffer_to_handle(cmd_buffer), 0, 1, &(VkRect2D) {
+		.offset = *dest_offset,
+		.extent = *resolve_extent,
+	});
+
+	radv_CmdDraw(cmd_buffer_h, 3, 1, 0, 0);
+	cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_CB;
+}
+
+void radv_meta_resolve_fragment_image(struct radv_cmd_buffer *cmd_buffer,
+				      struct radv_image *src_image,
+				      VkImageLayout src_image_layout,
+				      struct radv_image *dest_image,
+				      VkImageLayout dest_image_layout,
+				      uint32_t region_count,
+				      const VkImageResolve *regions)
+{
+	struct radv_device *device = cmd_buffer->device;
+	struct radv_meta_saved_state saved_state;
+	const uint32_t samples = src_image->info.samples;
+	const uint32_t samples_log2 = ffs(samples) - 1;
+	unsigned fs_key = radv_format_meta_fs_key(dest_image->vk_format);
+	for (uint32_t r = 0; r < region_count; ++r) {
+		const VkImageResolve *region = &regions[r];
+		const uint32_t src_base_layer =
+			radv_meta_get_iview_layer(src_image, &region->srcSubresource,
+						  &region->srcOffset);
+		VkImageSubresourceRange range;
+		range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+		range.baseMipLevel = region->srcSubresource.mipLevel;
+		range.levelCount = 1;
+		range.baseArrayLayer = src_base_layer;
+		range.layerCount = region->srcSubresource.layerCount;
+		radv_fast_clear_flush_image_inplace(cmd_buffer, src_image, &range);
+	}
+
+	radv_meta_save_graphics_reset_vport_scissor_novertex(&saved_state, cmd_buffer);
+
+	for (uint32_t r = 0; r < region_count; ++r) {
+		const VkImageResolve *region = &regions[r];
+
+		assert(region->srcSubresource.aspectMask == VK_IMAGE_ASPECT_COLOR_BIT);
+		assert(region->dstSubresource.aspectMask == VK_IMAGE_ASPECT_COLOR_BIT);
+		assert(region->srcSubresource.layerCount == region->dstSubresource.layerCount);
+
+		const uint32_t src_base_layer =
+			radv_meta_get_iview_layer(src_image, &region->srcSubresource,
+						  &region->srcOffset);
+
+		const uint32_t dest_base_layer =
+			radv_meta_get_iview_layer(dest_image, &region->dstSubresource,
+						  &region->dstOffset);
+
+		const struct VkExtent3D extent =
+			radv_sanitize_image_extent(src_image->type, region->extent);
+		const struct VkOffset3D srcOffset =
+			radv_sanitize_image_offset(src_image->type, region->srcOffset);
+		const struct VkOffset3D dstOffset =
+			radv_sanitize_image_offset(dest_image->type, region->dstOffset);
+
+		for (uint32_t layer = 0; layer < region->srcSubresource.layerCount;
+		     ++layer) {
+
+			struct radv_image_view src_iview;
+			radv_image_view_init(&src_iview, cmd_buffer->device,
+					     &(VkImageViewCreateInfo) {
+						     .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
+							     .image = radv_image_to_handle(src_image),
+							     .viewType = radv_meta_get_view_type(src_image),
+							     .format = src_image->vk_format,
+							     .subresourceRange = {
+							     .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+							     .baseMipLevel = region->srcSubresource.mipLevel,
+							     .levelCount = 1,
+							     .baseArrayLayer = src_base_layer + layer,
+							     .layerCount = 1,
+						     },
+					     },
+					     cmd_buffer, VK_IMAGE_USAGE_SAMPLED_BIT);
+
+			struct radv_image_view dest_iview;
+			radv_image_view_init(&dest_iview, cmd_buffer->device,
+					     &(VkImageViewCreateInfo) {
+						     .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
+							     .image = radv_image_to_handle(dest_image),
+							     .viewType = radv_meta_get_view_type(dest_image),
+							     .format = dest_image->vk_format,
+							     .subresourceRange = {
+							     .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+							     .baseMipLevel = region->dstSubresource.mipLevel,
+							     .levelCount = 1,
+							     .baseArrayLayer = dest_base_layer + layer,
+							     .layerCount = 1,
+						     },
+							     },
+					     cmd_buffer, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
+
+
+			VkFramebuffer fb;
+			radv_CreateFramebuffer(radv_device_to_handle(cmd_buffer->device),
+			       &(VkFramebufferCreateInfo) {
+				       .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
+					       .attachmentCount = 1,
+					       .pAttachments = (VkImageView[]) {
+					       radv_image_view_to_handle(&dest_iview),
+				       },
+				       .width = extent.width,
+				       .height = extent.height,
+				       .layers = 1
+				}, &cmd_buffer->pool->alloc, &fb);
+
+			radv_CmdBeginRenderPass(radv_cmd_buffer_to_handle(cmd_buffer),
+						&(VkRenderPassBeginInfo) {
+							.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
+								.renderPass = device->meta_state.resolve_fragment.rc[samples_log2].render_pass[fs_key],
+								.framebuffer = fb,
+								.renderArea = {
+								.offset = { dstOffset.x, dstOffset.y, },
+								.extent = { extent.width, extent.height },
+							},
+								.clearValueCount = 0,
+								.pClearValues = NULL,
+						}, VK_SUBPASS_CONTENTS_INLINE);
+
+
+
+			emit_resolve(cmd_buffer,
+				     &src_iview,
+				     &(VkOffset2D) { srcOffset.x, srcOffset.y },
+				     &(VkOffset2D) { dstOffset.x, dstOffset.y },
+				     &(VkExtent2D) { extent.width, extent.height });
+
+			radv_CmdEndRenderPass(radv_cmd_buffer_to_handle(cmd_buffer));
+
+			radv_DestroyFramebuffer(radv_device_to_handle(cmd_buffer->device), fb, &cmd_buffer->pool->alloc);
+		}
+	}
+
+	radv_meta_restore(&saved_state, cmd_buffer);
+}
+
+
+/**
+ * Emit any needed resolves for the current subpass.
+ */
+void
+radv_cmd_buffer_resolve_subpass_fs(struct radv_cmd_buffer *cmd_buffer)
+{
+	struct radv_framebuffer *fb = cmd_buffer->state.framebuffer;
+	const struct radv_subpass *subpass = cmd_buffer->state.subpass;
+	struct radv_meta_saved_state saved_state;
+
+	/* FINISHME(perf): Skip clears for resolve attachments.
+	 *
+	 * From the Vulkan 1.0 spec:
+	 *
+	 *    If the first use of an attachment in a render pass is as a resolve
+	 *    attachment, then the loadOp is effectively ignored as the resolve is
+	 *    guaranteed to overwrite all pixels in the render area.
+	 */
+
+	if (!subpass->has_resolve)
+		return;
+
+	radv_meta_save_graphics_reset_vport_scissor(&saved_state, cmd_buffer);
+
+	for (uint32_t i = 0; i < subpass->color_count; ++i) {
+		VkAttachmentReference src_att = subpass->color_attachments[i];
+		VkAttachmentReference dest_att = subpass->resolve_attachments[i];
+		struct radv_image *dst_img = cmd_buffer->state.framebuffer->attachments[dest_att.attachment].attachment->image;
+		struct radv_image_view *src_iview = cmd_buffer->state.framebuffer->attachments[src_att.attachment].attachment;
+		if (dest_att.attachment == VK_ATTACHMENT_UNUSED)
+			continue;
+
+		if (dst_img->surface.dcc_size) {
+			radv_initialize_dcc(cmd_buffer, dst_img, 0xffffffff);
+			cmd_buffer->state.attachments[dest_att.attachment].current_layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+		}
+		{
+			VkImageSubresourceRange range;
+			range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+			range.baseMipLevel = 0;
+			range.levelCount = 1;
+			range.baseArrayLayer = 0;
+			range.layerCount = 1;
+			radv_fast_clear_flush_image_inplace(cmd_buffer, src_iview->image, &range);
+		}
+
+		struct radv_subpass resolve_subpass = {
+			.color_count = 1,
+			.color_attachments = (VkAttachmentReference[]) { dest_att },
+			.depth_stencil_attachment = { .attachment = VK_ATTACHMENT_UNUSED },
+		};
+
+		radv_cmd_buffer_set_subpass(cmd_buffer, &resolve_subpass, false);
+
+		/* Subpass resolves must respect the render area. We can ignore the
+		 * render area here because vkCmdBeginRenderPass set the render area
+		 * with 3DSTATE_DRAWING_RECTANGLE.
+		 *
+		 * XXX(chadv): Does the hardware really respect
+		 * 3DSTATE_DRAWING_RECTANGLE when draing a 3DPRIM_RECTLIST?
+		 */
+		emit_resolve(cmd_buffer,
+			     src_iview,
+			     &(VkOffset2D) { 0, 0 },
+			     &(VkOffset2D) { 0, 0 },
+			     &(VkExtent2D) { fb->width, fb->height });
+	}
+
+	cmd_buffer->state.subpass = subpass;
+	radv_meta_restore(&saved_state, cmd_buffer);
+}