/*
* 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 "vk_format.h"
#include "nir/nir_builder.h"
#include "sid.h"
/* emit 0, 0, 0, 1 */
static nir_shader *
build_nir_fs(void)
{
const struct glsl_type *vec4 = glsl_vec4_type();
nir_builder b;
nir_variable *f_color; /* vec4, fragment output color */
nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
b.shader->info.name = ralloc_asprintf(b.shader,
"meta_resolve_fs");
f_color = nir_variable_create(b.shader, nir_var_shader_out, vec4,
"f_color");
f_color->data.location = FRAG_RESULT_DATA0;
nir_store_var(&b, f_color, nir_imm_vec4(&b, 0.0, 0.0, 0.0, 1.0), 0xf);
return b.shader;
}
static VkResult
create_pass(struct radv_device *device, VkFormat vk_format, VkRenderPass *pass)
{
VkResult result;
VkDevice device_h = radv_device_to_handle(device);
const VkAllocationCallbacks *alloc = &device->meta_state.alloc;
VkAttachmentDescription attachments[2];
int i;
for (i = 0; i < 2; i++) {
attachments[i].format = vk_format;
attachments[i].samples = 1;
attachments[i].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachments[i].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
}
attachments[0].initialLayout = VK_IMAGE_LAYOUT_GENERAL;
attachments[0].finalLayout = VK_IMAGE_LAYOUT_GENERAL;
attachments[1].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachments[1].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
result = radv_CreateRenderPass(device_h,
&(VkRenderPassCreateInfo) {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
.attachmentCount = 2,
.pAttachments = attachments,
.subpassCount = 1,
.pSubpasses = &(VkSubpassDescription) {
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.inputAttachmentCount = 0,
.colorAttachmentCount = 2,
.pColorAttachments = (VkAttachmentReference[]) {
{
.attachment = 0,
.layout = VK_IMAGE_LAYOUT_GENERAL,
},
{
.attachment = 1,
.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
},
},
.pResolveAttachments = NULL,
.pDepthStencilAttachment = &(VkAttachmentReference) {
.attachment = VK_ATTACHMENT_UNUSED,
},
.preserveAttachmentCount = 0,
.pPreserveAttachments = NULL,
},
.dependencyCount = 0,
},
alloc,
pass);
return result;
}
static VkResult
create_pipeline(struct radv_device *device,
VkShaderModule vs_module_h,
VkPipeline *pipeline,
VkRenderPass pass)
{
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;
}
VkPipelineLayoutCreateInfo pl_create_info = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.setLayoutCount = 0,
.pSetLayouts = NULL,
.pushConstantRangeCount = 0,
.pPushConstantRanges = NULL,
};
if (!device->meta_state.resolve.p_layout) {
result = radv_CreatePipelineLayout(radv_device_to_handle(device),
&pl_create_info,
&device->meta_state.alloc,
&device->meta_state.resolve.p_layout);
if (result != VK_SUCCESS)
goto cleanup;
}
result = radv_graphics_pipeline_create(device_h,
radv_pipeline_cache_to_handle(&device->meta_state.cache),
&(VkGraphicsPipelineCreateInfo) {
.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 = 0,
.vertexAttributeDescriptionCount = 0,
},
.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,
.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 = 2,
.pAttachments = (VkPipelineColorBlendAttachmentState []) {
{
.colorWriteMask = VK_COLOR_COMPONENT_R_BIT |
VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT |
VK_COLOR_COMPONENT_A_BIT,
},
{
.colorWriteMask = 0,
}
},
},
.pDynamicState = &(VkPipelineDynamicStateCreateInfo) {
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.dynamicStateCount = 2,
.pDynamicStates = (VkDynamicState[]) {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
},
},
.layout = device->meta_state.resolve.p_layout,
.renderPass = pass,
.subpass = 0,
},
&(struct radv_graphics_pipeline_create_info) {
.use_rectlist = true,
.custom_blend_mode = V_028808_CB_RESOLVE,
},
&device->meta_state.alloc, pipeline);
if (result != VK_SUCCESS)
goto cleanup;
goto cleanup;
cleanup:
ralloc_free(fs_module.nir);
return result;
}
void
radv_device_finish_meta_resolve_state(struct radv_device *device)
{
struct radv_meta_state *state = &device->meta_state;
for (uint32_t j = 0; j < NUM_META_FS_KEYS; j++) {
radv_DestroyRenderPass(radv_device_to_handle(device),
state->resolve.pass[j], &state->alloc);
radv_DestroyPipeline(radv_device_to_handle(device),
state->resolve.pipeline[j], &state->alloc);
}
radv_DestroyPipelineLayout(radv_device_to_handle(device),
state->resolve.p_layout, &state->alloc);
}
static VkFormat pipeline_formats[] = {
VK_FORMAT_R8G8B8A8_UNORM,
VK_FORMAT_R8G8B8A8_UINT,
VK_FORMAT_R8G8B8A8_SINT,
VK_FORMAT_A2R10G10B10_UINT_PACK32,
VK_FORMAT_A2R10G10B10_SINT_PACK32,
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
};
VkResult
radv_device_init_meta_resolve_state(struct radv_device *device)
{
VkResult res = VK_SUCCESS;
struct radv_meta_state *state = &device->meta_state;
struct radv_shader_module vs_module = { .nir = radv_meta_build_nir_vs_generate_vertices() };
if (!vs_module.nir) {
/* XXX: Need more accurate error */
res = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
for (uint32_t i = 0; i < ARRAY_SIZE(pipeline_formats); ++i) {
VkFormat format = pipeline_formats[i];
unsigned fs_key = radv_format_meta_fs_key(format);
res = create_pass(device, format, &state->resolve.pass[fs_key]);
if (res != VK_SUCCESS)
goto fail;
VkShaderModule vs_module_h = radv_shader_module_to_handle(&vs_module);
res = create_pipeline(device, vs_module_h,
&state->resolve.pipeline[fs_key], state->resolve.pass[fs_key]);
if (res != VK_SUCCESS)
goto fail;
}
goto cleanup;
fail:
radv_device_finish_meta_resolve_state(device);
cleanup:
ralloc_free(vs_module.nir);
return res;
}
static void
emit_resolve(struct radv_cmd_buffer *cmd_buffer,
VkFormat vk_format,
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);
unsigned fs_key = radv_format_meta_fs_key(vk_format);
cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_CB;
radv_CmdBindPipeline(cmd_buffer_h, VK_PIPELINE_BIND_POINT_GRAPHICS,
device->meta_state.resolve.pipeline[fs_key]);
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;
}
enum radv_resolve_method {
RESOLVE_HW,
RESOLVE_COMPUTE,
RESOLVE_FRAGMENT,
};
static void radv_pick_resolve_method_images(struct radv_image *src_image,
struct radv_image *dest_image,
VkImageLayout dest_image_layout,
struct radv_cmd_buffer *cmd_buffer,
enum radv_resolve_method *method)
{
uint32_t queue_mask = radv_image_queue_family_mask(dest_image,
cmd_buffer->queue_family_index,
cmd_buffer->queue_family_index);
if (src_image->vk_format == VK_FORMAT_R16G16_UNORM ||
src_image->vk_format == VK_FORMAT_R16G16_SNORM)
*method = RESOLVE_COMPUTE;
else if (vk_format_is_int(src_image->vk_format))
*method = RESOLVE_COMPUTE;
if (radv_layout_dcc_compressed(dest_image, dest_image_layout, queue_mask)) {
*method = RESOLVE_FRAGMENT;
} else if (dest_image->surface.micro_tile_mode != src_image->surface.micro_tile_mode) {
*method = RESOLVE_COMPUTE;
}
}
void radv_CmdResolveImage(
VkCommandBuffer cmd_buffer_h,
VkImage src_image_h,
VkImageLayout src_image_layout,
VkImage dest_image_h,
VkImageLayout dest_image_layout,
uint32_t region_count,
const VkImageResolve* regions)
{
RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, cmd_buffer_h);
RADV_FROM_HANDLE(radv_image, src_image, src_image_h);
RADV_FROM_HANDLE(radv_image, dest_image, dest_image_h);
struct radv_device *device = cmd_buffer->device;
struct radv_meta_saved_state saved_state;
VkDevice device_h = radv_device_to_handle(device);
enum radv_resolve_method resolve_method = RESOLVE_HW;
/* we can use the hw resolve only for single full resolves */
if (region_count == 1) {
if (regions[0].srcOffset.x ||
regions[0].srcOffset.y ||
regions[0].srcOffset.z)
resolve_method = RESOLVE_COMPUTE;
if (regions[0].dstOffset.x ||
regions[0].dstOffset.y ||
regions[0].dstOffset.z)
resolve_method = RESOLVE_COMPUTE;
if (regions[0].extent.width != src_image->info.width ||
regions[0].extent.height != src_image->info.height ||
regions[0].extent.depth != src_image->info.depth)
resolve_method = RESOLVE_COMPUTE;
} else
resolve_method = RESOLVE_COMPUTE;
radv_pick_resolve_method_images(src_image, dest_image,
dest_image_layout, cmd_buffer,
&resolve_method);
if (resolve_method == RESOLVE_FRAGMENT) {
radv_meta_resolve_fragment_image(cmd_buffer,
src_image,
src_image_layout,
dest_image,
dest_image_layout,
region_count, regions);
return;
}
if (resolve_method == RESOLVE_COMPUTE) {
radv_meta_resolve_compute_image(cmd_buffer,
src_image,
src_image_layout,
dest_image,
dest_image_layout,
region_count, regions);
return;
}
radv_meta_save(&saved_state, cmd_buffer,
RADV_META_SAVE_GRAPHICS_PIPELINE);
assert(src_image->info.samples > 1);
if (src_image->info.samples <= 1) {
/* this causes GPU hangs if we get past here */
fprintf(stderr, "radv: Illegal resolve operation (src not multisampled), will hang GPU.");
return;
}
assert(dest_image->info.samples == 1);
if (src_image->info.samples >= 16) {
/* See commit aa3f9aaf31e9056a255f9e0472ebdfdaa60abe54 for the
* glBlitFramebuffer workaround for samples >= 16.
*/
radv_finishme("vkCmdResolveImage: need interpolation workaround when "
"samples >= 16");
}
if (src_image->info.array_size > 1)
radv_finishme("vkCmdResolveImage: multisample array images");
if (dest_image->surface.dcc_size) {
radv_initialize_dcc(cmd_buffer, dest_image, 0xffffffff);
}
unsigned fs_key = radv_format_meta_fs_key(dest_image->vk_format);
for (uint32_t r = 0; r < region_count; ++r) {
const VkImageResolve *region = ®ions[r];
/* From the Vulkan 1.0 spec:
*
* - The aspectMask member of srcSubresource and dstSubresource must
* only contain VK_IMAGE_ASPECT_COLOR_BIT
*
* - The layerCount member of srcSubresource and dstSubresource must
* match
*/
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, ®ion->srcSubresource,
®ion->srcOffset);
const uint32_t dest_base_layer =
radv_meta_get_iview_layer(dest_image, ®ion->dstSubresource,
®ion->dstOffset);
/**
* From Vulkan 1.0.6 spec: 18.6 Resolving Multisample Images
*
* extent is the size in texels of the source image to resolve in width,
* height and depth. 1D images use only x and width. 2D images use x, y,
* width and height. 3D images use x, y, z, width, height and depth.
*
* srcOffset and dstOffset select the initial x, y, and z offsets in
* texels of the sub-regions of the source and destination image data.
* extent is the size in texels of the source image to resolve in width,
* height and depth. 1D images use only x and width. 2D images use x, y,
* width and height. 3D images use x, y, z, width, height and depth.
*/
const struct VkExtent3D extent =
radv_sanitize_image_extent(src_image->type, region->extent);
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 = src_image_h,
.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,
},
});
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 = dest_image_h,
.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,
},
});
VkFramebuffer fb_h;
radv_CreateFramebuffer(device_h,
&(VkFramebufferCreateInfo) {
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.attachmentCount = 2,
.pAttachments = (VkImageView[]) {
radv_image_view_to_handle(&src_iview),
radv_image_view_to_handle(&dest_iview),
},
.width = radv_minify(dest_image->info.width,
region->dstSubresource.mipLevel),
.height = radv_minify(dest_image->info.height,
region->dstSubresource.mipLevel),
.layers = 1
},
&cmd_buffer->pool->alloc,
&fb_h);
radv_CmdBeginRenderPass(cmd_buffer_h,
&(VkRenderPassBeginInfo) {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
.renderPass = device->meta_state.resolve.pass[fs_key],
.framebuffer = fb_h,
.renderArea = {
.offset = {
dstOffset.x,
dstOffset.y,
},
.extent = {
extent.width,
extent.height,
}
},
.clearValueCount = 0,
.pClearValues = NULL,
},
VK_SUBPASS_CONTENTS_INLINE);
emit_resolve(cmd_buffer,
dest_iview.vk_format,
&(VkOffset2D) {
.x = dstOffset.x,
.y = dstOffset.y,
},
&(VkExtent2D) {
.width = extent.width,
.height = extent.height,
});
radv_CmdEndRenderPass(cmd_buffer_h);
radv_DestroyFramebuffer(device_h, fb_h,
&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(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;
enum radv_resolve_method resolve_method = RESOLVE_HW;
/* 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;
for (uint32_t i = 0; i < subpass->color_count; ++i) {
VkAttachmentReference src_att = subpass->color_attachments[i];
VkAttachmentReference dest_att = subpass->resolve_attachments[i];
if (src_att.attachment == VK_ATTACHMENT_UNUSED ||
dest_att.attachment == VK_ATTACHMENT_UNUSED)
continue;
struct radv_image *dst_img = cmd_buffer->state.framebuffer->attachments[dest_att.attachment].attachment->image;
struct radv_image *src_img = cmd_buffer->state.framebuffer->attachments[src_att.attachment].attachment->image;
radv_pick_resolve_method_images(src_img, dst_img, dest_att.layout, cmd_buffer, &resolve_method);
if (resolve_method == RESOLVE_FRAGMENT) {
break;
}
}
if (resolve_method == RESOLVE_COMPUTE) {
radv_cmd_buffer_resolve_subpass_cs(cmd_buffer);
return;
} else if (resolve_method == RESOLVE_FRAGMENT) {
radv_cmd_buffer_resolve_subpass_fs(cmd_buffer);
return;
}
radv_meta_save(&saved_state, cmd_buffer,
RADV_META_SAVE_GRAPHICS_PIPELINE);
for (uint32_t i = 0; i < subpass->color_count; ++i) {
VkAttachmentReference src_att = subpass->color_attachments[i];
VkAttachmentReference dest_att = subpass->resolve_attachments[i];
if (src_att.attachment == VK_ATTACHMENT_UNUSED ||
dest_att.attachment == VK_ATTACHMENT_UNUSED)
continue;
struct radv_image *dst_img = cmd_buffer->state.framebuffer->attachments[dest_att.attachment].attachment->image;
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;
}
struct radv_subpass resolve_subpass = {
.color_count = 2,
.color_attachments = (VkAttachmentReference[]) { src_att, dest_att },
.depth_stencil_attachment = { .attachment = VK_ATTACHMENT_UNUSED },
};
radv_cmd_buffer_set_subpass(cmd_buffer, &resolve_subpass, false);
emit_resolve(cmd_buffer,
dst_img->vk_format,
&(VkOffset2D) { 0, 0 },
&(VkExtent2D) { fb->width, fb->height });
}
cmd_buffer->state.subpass = subpass;
radv_meta_restore(&saved_state, cmd_buffer);
}