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/*
* Copyright (c) 2023-2025 Valve Corporation
* Copyright (c) 2023-2025 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include "../framework/layer_validation_tests.h"
#include "../framework/render_pass_helper.h"
#include "../framework/pipeline_helper.h"
class PositiveFragmentShadingRate : public VkLayerTest {};
TEST_F(PositiveFragmentShadingRate, StageInVariousAPIs) {
TEST_DESCRIPTION("Specify shading rate pipeline stage with attachmentFragmentShadingRate feature enabled");
AddRequiredExtensions(VK_KHR_FRAGMENT_SHADING_RATE_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_SYNCHRONIZATION_2_EXTENSION_NAME);
SetTargetApiVersion(VK_API_VERSION_1_1);
AddRequiredFeature(vkt::Feature::attachmentFragmentShadingRate);
AddRequiredFeature(vkt::Feature::synchronization2);
RETURN_IF_SKIP(Init());
const vkt::QueryPool query_pool(*m_device, VK_QUERY_TYPE_TIMESTAMP, 1);
const vkt::Event event(*m_device);
const vkt::Event event2(*m_device);
m_command_buffer.Begin();
// Different API calls to cover three category of VUIDs: 07316, 07318, 07314
vk::CmdResetEvent2KHR(m_command_buffer, event, VK_PIPELINE_STAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR);
vk::CmdSetEvent(m_command_buffer, event2, VK_PIPELINE_STAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR);
vk::CmdWriteTimestamp(m_command_buffer, VK_PIPELINE_STAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR, query_pool, 0);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, StageWithPipelineBarrier) {
TEST_DESCRIPTION("Test pipeline barrier with VK_PIPELINE_STAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR stage");
AddRequiredExtensions(VK_KHR_FRAGMENT_SHADING_RATE_EXTENSION_NAME);
SetTargetApiVersion(VK_API_VERSION_1_1);
AddRequiredFeature(vkt::Feature::attachmentFragmentShadingRate);
RETURN_IF_SKIP(Init());
VkImageFormatProperties format_props = {};
VkResult result = vk::GetPhysicalDeviceImageFormatProperties(
m_device->Physical().handle(), VK_FORMAT_B8G8R8A8_UNORM, VK_IMAGE_TYPE_2D, VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR, 0, &format_props);
if (result != VK_SUCCESS) {
GTEST_SKIP() << "Image options not supported";
}
vkt::Image image(*m_device, 128, 128, VK_FORMAT_B8G8R8A8_UNORM, VK_IMAGE_USAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR);
VkImageMemoryBarrier imageMemoryBarrier = vku::InitStructHelper();
imageMemoryBarrier.srcAccessMask = VK_ACCESS_NONE;
imageMemoryBarrier.dstAccessMask = VK_ACCESS_FRAGMENT_SHADING_RATE_ATTACHMENT_READ_BIT_KHR;
imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_GENERAL;
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_GENERAL;
imageMemoryBarrier.image = image;
imageMemoryBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageMemoryBarrier.subresourceRange.baseArrayLayer = 0;
imageMemoryBarrier.subresourceRange.baseMipLevel = 0;
imageMemoryBarrier.subresourceRange.layerCount = 1;
imageMemoryBarrier.subresourceRange.levelCount = 1;
m_command_buffer.Begin();
vk::CmdPipelineBarrier(m_command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR, 0u, 0u, nullptr, 0u, nullptr, 1u,
&imageMemoryBarrier);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, Attachments) {
TEST_DESCRIPTION("Create framebuffer with a fragment shading rate attachment that has layout count 1.");
SetTargetApiVersion(VK_API_VERSION_1_1);
AddRequiredExtensions(VK_KHR_FRAGMENT_SHADING_RATE_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::multiview);
AddRequiredFeature(vkt::Feature::attachmentFragmentShadingRate);
RETURN_IF_SKIP(Init());
VkPhysicalDeviceFragmentShadingRatePropertiesKHR fsr_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fsr_properties);
RenderPass2SingleSubpass rp(*this);
rp.AddAttachmentDescription(VK_FORMAT_R8_UINT);
rp.AddAttachmentReference(0, VK_IMAGE_LAYOUT_GENERAL);
rp.AddFragmentShadingRateAttachment(0, fsr_properties.minFragmentShadingRateAttachmentTexelSize);
rp.SetViewMask(0x2);
rp.CreateRenderPass();
vkt::Image image(*m_device, 1, 1, VK_FORMAT_R8_UINT, VK_IMAGE_USAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR);
vkt::ImageView imageView = image.CreateView();
vkt::Framebuffer framebuffer(*m_device, rp, 1, &imageView.handle(),
fsr_properties.minFragmentShadingRateAttachmentTexelSize.width,
fsr_properties.minFragmentShadingRateAttachmentTexelSize.height);
ASSERT_TRUE(framebuffer.initialized());
}
TEST_F(PositiveFragmentShadingRate, FragmentDensityMapOffset) {
AddRequiredExtensions(VK_EXT_FRAGMENT_DENSITY_MAP_OFFSET_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::fragmentDensityMap);
AddRequiredFeature(vkt::Feature::fragmentDensityMapOffset);
RETURN_IF_SKIP(Init());
VkImageCreateInfo image_create_info = vku::InitStructHelper();
image_create_info.flags = VK_IMAGE_CREATE_FRAGMENT_DENSITY_MAP_OFFSET_BIT_EXT;
image_create_info.imageType = VK_IMAGE_TYPE_2D;
image_create_info.format = VK_FORMAT_R8G8_UNORM;
image_create_info.extent = {32u, 32u, 1u};
image_create_info.mipLevels = 1u;
image_create_info.arrayLayers = 1u;
image_create_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_create_info.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkt::Image image(*m_device, image_create_info);
vkt::ImageView image_view = image.CreateView();
VkRenderPassFragmentDensityMapCreateInfoEXT fragment_density_map_ci = vku::InitStructHelper();
fragment_density_map_ci.fragmentDensityMapAttachment.layout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkAttachmentDescription attachment_description = {};
attachment_description.format = VK_FORMAT_R8G8_UNORM;
attachment_description.samples = VK_SAMPLE_COUNT_1_BIT;
attachment_description.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment_description.finalLayout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkSubpassDescription subpass_description = {};
VkRenderPassCreateInfo render_pass_ci = vku::InitStructHelper(&fragment_density_map_ci);
render_pass_ci.attachmentCount = 1u;
render_pass_ci.pAttachments = &attachment_description;
render_pass_ci.subpassCount = 1u;
render_pass_ci.pSubpasses = &subpass_description;
vkt::RenderPass render_pass(*m_device, render_pass_ci);
vkt::Framebuffer framebuffer(*m_device, render_pass, 1u, &image_view.handle());
VkRenderPassBeginInfo begin_info = vku::InitStructHelper();
begin_info.renderPass = render_pass;
begin_info.framebuffer = framebuffer;
begin_info.renderArea = {{0, 0}, {32u, 32u}};
m_command_buffer.Begin();
vk::CmdBeginRenderPass(m_command_buffer, &begin_info, VK_SUBPASS_CONTENTS_INLINE);
VkPhysicalDeviceFragmentDensityMapOffsetPropertiesEXT fdm_offset_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fdm_offset_properties);
int32_t width = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.width);
int32_t height = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.height);
VkOffset2D offset = {width, height};
VkRenderPassFragmentDensityMapOffsetEndInfoEXT fdm_offset_end_info = vku::InitStructHelper();
fdm_offset_end_info.fragmentDensityOffsetCount = 1u;
fdm_offset_end_info.pFragmentDensityOffsets = &offset;
VkSubpassEndInfo subpass_end_info = vku::InitStructHelper(&fdm_offset_end_info);
vk::CmdEndRenderPass2KHR(m_command_buffer, &subpass_end_info);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, FragmentDensityMapOffsetQCOM) {
AddRequiredExtensions(VK_QCOM_FRAGMENT_DENSITY_MAP_OFFSET_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::fragmentDensityMap);
AddRequiredFeature(vkt::Feature::fragmentDensityMapOffset);
RETURN_IF_SKIP(Init());
VkImageCreateInfo image_create_info = vku::InitStructHelper();
image_create_info.flags = VK_IMAGE_CREATE_FRAGMENT_DENSITY_MAP_OFFSET_BIT_QCOM;
image_create_info.imageType = VK_IMAGE_TYPE_2D;
image_create_info.format = VK_FORMAT_R8G8_UNORM;
image_create_info.extent = {32u, 32u, 1u};
image_create_info.mipLevels = 1u;
image_create_info.arrayLayers = 1u;
image_create_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_create_info.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkt::Image image(*m_device, image_create_info);
vkt::ImageView image_view = image.CreateView();
VkRenderPassFragmentDensityMapCreateInfoEXT fragment_density_map_ci = vku::InitStructHelper();
fragment_density_map_ci.fragmentDensityMapAttachment.layout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkAttachmentDescription attachment_description = {};
attachment_description.format = VK_FORMAT_R8G8_UNORM;
attachment_description.samples = VK_SAMPLE_COUNT_1_BIT;
attachment_description.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment_description.finalLayout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkSubpassDescription subpass_description = {};
VkRenderPassCreateInfo render_pass_ci = vku::InitStructHelper(&fragment_density_map_ci);
render_pass_ci.attachmentCount = 1u;
render_pass_ci.pAttachments = &attachment_description;
render_pass_ci.subpassCount = 1u;
render_pass_ci.pSubpasses = &subpass_description;
vkt::RenderPass render_pass(*m_device, render_pass_ci);
vkt::Framebuffer framebuffer(*m_device, render_pass, 1u, &image_view.handle());
VkRenderPassBeginInfo begin_info = vku::InitStructHelper();
begin_info.renderPass = render_pass;
begin_info.framebuffer = framebuffer;
begin_info.renderArea = {{0, 0}, {32u, 32u}};
m_command_buffer.Begin();
vk::CmdBeginRenderPass(m_command_buffer, &begin_info, VK_SUBPASS_CONTENTS_INLINE);
VkPhysicalDeviceFragmentDensityMapOffsetPropertiesQCOM fdm_offset_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fdm_offset_properties);
int32_t width = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.width);
int32_t height = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.height);
VkOffset2D offset = {width, height};
VkSubpassFragmentDensityMapOffsetEndInfoQCOM fdm_offset_end_info = vku::InitStructHelper();
fdm_offset_end_info.fragmentDensityOffsetCount = 1u;
fdm_offset_end_info.pFragmentDensityOffsets = &offset;
VkSubpassEndInfo subpass_end_info = vku::InitStructHelper(&fdm_offset_end_info);
vk::CmdEndRenderPass2KHR(m_command_buffer, &subpass_end_info);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, FragmentDensityMapOffsetMultiview) {
AddRequiredExtensions(VK_EXT_FRAGMENT_DENSITY_MAP_OFFSET_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_MULTIVIEW_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::fragmentDensityMap);
AddRequiredFeature(vkt::Feature::fragmentDensityMapOffset);
AddRequiredFeature(vkt::Feature::multiview);
RETURN_IF_SKIP(Init());
VkImageCreateInfo image_create_info = vku::InitStructHelper();
image_create_info.flags = VK_IMAGE_CREATE_FRAGMENT_DENSITY_MAP_OFFSET_BIT_EXT;
image_create_info.imageType = VK_IMAGE_TYPE_2D;
image_create_info.format = VK_FORMAT_R8G8_UNORM;
image_create_info.extent = {32u, 32u, 1u};
image_create_info.mipLevels = 1u;
image_create_info.arrayLayers = 2u;
image_create_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_create_info.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkt::Image image(*m_device, image_create_info);
vkt::ImageView image_view = image.CreateView(VK_IMAGE_VIEW_TYPE_2D_ARRAY);
VkRenderPassFragmentDensityMapCreateInfoEXT fragment_density_map_ci = vku::InitStructHelper();
fragment_density_map_ci.fragmentDensityMapAttachment.layout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkAttachmentDescription2 attachment_description = vku::InitStructHelper();
attachment_description.format = VK_FORMAT_R8G8_UNORM;
attachment_description.samples = VK_SAMPLE_COUNT_1_BIT;
attachment_description.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment_description.finalLayout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkSubpassDescription2 subpass_description = vku::InitStructHelper();
subpass_description.viewMask = 0x3u;
VkRenderPassCreateInfo2 render_pass_ci = vku::InitStructHelper(&fragment_density_map_ci);
render_pass_ci.attachmentCount = 1u;
render_pass_ci.pAttachments = &attachment_description;
render_pass_ci.subpassCount = 1u;
render_pass_ci.pSubpasses = &subpass_description;
vkt::RenderPass render_pass(*m_device, render_pass_ci);
vkt::Framebuffer framebuffer(*m_device, render_pass, 1u, &image_view.handle());
VkPhysicalDeviceFragmentDensityMapOffsetPropertiesEXT fdm_offset_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fdm_offset_properties);
int32_t width = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.width);
int32_t height = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.height);
m_command_buffer.Begin();
m_command_buffer.BeginRenderPass(render_pass, framebuffer);
VkOffset2D offsets[2] = {{width, height}, {width * 2, height * 2}};
VkRenderPassFragmentDensityMapOffsetEndInfoEXT fdm_offset_end_info = vku::InitStructHelper();
fdm_offset_end_info.fragmentDensityOffsetCount = 2u;
fdm_offset_end_info.pFragmentDensityOffsets = offsets;
VkSubpassEndInfo subpass_end_info = vku::InitStructHelper(&fdm_offset_end_info);
vk::CmdEndRenderPass2KHR(m_command_buffer, &subpass_end_info);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, FragmentDensityMapOffsetEmptyRenderPass) {
AddRequiredExtensions(VK_EXT_FRAGMENT_DENSITY_MAP_OFFSET_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::fragmentDensityMap);
AddRequiredFeature(vkt::Feature::fragmentDensityMapOffset);
RETURN_IF_SKIP(Init());
vkt::Image image(*m_device, 32u, 32u, VK_FORMAT_R8G8_UNORM, VK_IMAGE_USAGE_FRAGMENT_DENSITY_MAP_BIT_EXT);
vkt::ImageView image_view = image.CreateView();
VkRenderPassFragmentDensityMapCreateInfoEXT fragment_density_map_ci = vku::InitStructHelper();
fragment_density_map_ci.fragmentDensityMapAttachment.attachment = VK_ATTACHMENT_UNUSED;
fragment_density_map_ci.fragmentDensityMapAttachment.layout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkAttachmentDescription attachment_description = {};
attachment_description.format = VK_FORMAT_R8G8_UNORM;
attachment_description.samples = VK_SAMPLE_COUNT_1_BIT;
attachment_description.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment_description.finalLayout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkSubpassDescription subpass_description = {};
VkRenderPassCreateInfo render_pass_ci = vku::InitStructHelper(&fragment_density_map_ci);
render_pass_ci.attachmentCount = 1u;
render_pass_ci.pAttachments = &attachment_description;
render_pass_ci.subpassCount = 1u;
render_pass_ci.pSubpasses = &subpass_description;
vkt::RenderPass render_pass(*m_device, render_pass_ci);
vkt::Framebuffer framebuffer(*m_device, render_pass, 1u, &image_view.handle());
m_command_buffer.Begin();
m_command_buffer.BeginRenderPass(render_pass, framebuffer);
VkPhysicalDeviceFragmentDensityMapOffsetPropertiesEXT fdm_offset_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fdm_offset_properties);
int32_t width = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.width);
int32_t height = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.height);
VkOffset2D offset = {width, height};
VkRenderPassFragmentDensityMapOffsetEndInfoEXT fdm_offset_end_info = vku::InitStructHelper();
fdm_offset_end_info.fragmentDensityOffsetCount = 1u;
fdm_offset_end_info.pFragmentDensityOffsets = &offset;
VkSubpassEndInfo subpass_end_info = vku::InitStructHelper(&fdm_offset_end_info);
vk::CmdEndRenderPass2KHR(m_command_buffer, &subpass_end_info);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, FragmentDensityMapOffsetWidthGranularityDynamicRendering) {
AddRequiredExtensions(VK_EXT_FRAGMENT_DENSITY_MAP_OFFSET_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::fragmentDensityMap);
AddRequiredFeature(vkt::Feature::fragmentDensityMapOffset);
AddRequiredFeature(vkt::Feature::dynamicRendering);
RETURN_IF_SKIP(Init());
VkPhysicalDeviceFragmentDensityMapOffsetPropertiesEXT fdm_offset_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fdm_offset_properties);
VkImageCreateInfo image_create_info = vku::InitStructHelper();
image_create_info.flags = VK_IMAGE_CREATE_FRAGMENT_DENSITY_MAP_OFFSET_BIT_EXT;
image_create_info.imageType = VK_IMAGE_TYPE_2D;
image_create_info.format = VK_FORMAT_R8G8_UNORM;
image_create_info.extent = {32u, 32u, 1u};
image_create_info.mipLevels = 1u;
image_create_info.arrayLayers = 1u;
image_create_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_create_info.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_FRAGMENT_DENSITY_MAP_BIT_EXT;
image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkt::Image image(*m_device, image_create_info);
vkt::ImageView image_view = image.CreateView();
VkRenderingFragmentDensityMapAttachmentInfoEXT fdm_attachment_info = vku::InitStructHelper();
fdm_attachment_info.imageView = image_view;
fdm_attachment_info.imageLayout = VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT;
VkRenderingInfo rendering_info = vku::InitStructHelper(&fdm_attachment_info);
rendering_info.renderArea = {{0, 0}, {1u, 1u}};
rendering_info.layerCount = 1u;
m_command_buffer.Begin();
m_command_buffer.BeginRendering(rendering_info);
int32_t width = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.width);
int32_t height = static_cast<int32_t>(fdm_offset_properties.fragmentDensityOffsetGranularity.height);
VkOffset2D offset = {width, height};
VkRenderPassFragmentDensityMapOffsetEndInfoEXT fdm_offset_end_info = vku::InitStructHelper();
fdm_offset_end_info.fragmentDensityOffsetCount = 1u;
fdm_offset_end_info.pFragmentDensityOffsets = &offset;
VkRenderingEndInfoEXT rendering_end_info = vku::InitStructHelper(&fdm_offset_end_info);
vk::CmdEndRendering2EXT(m_command_buffer, &rendering_end_info);
m_command_buffer.End();
}
TEST_F(PositiveFragmentShadingRate, FragmentDensityMapLayered) {
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredExtensions(VK_VALVE_FRAGMENT_DENSITY_MAP_LAYERED_EXTENSION_NAME);
AddRequiredExtensions(VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::dynamicRendering);
AddRequiredFeature(vkt::Feature::fragmentDensityMapLayered);
RETURN_IF_SKIP(Init());
VkPhysicalDeviceFragmentDensityMapLayeredPropertiesVALVE fdm_properties = vku::InitStructHelper();
GetPhysicalDeviceProperties2(fdm_properties);
VkPipelineCreateFlags2CreateInfo pipe_flags2 = vku::InitStructHelper();
pipe_flags2.flags = VK_PIPELINE_CREATE_2_PER_LAYER_FRAGMENT_DENSITY_BIT_VALVE;
VkFormat color_format = VK_FORMAT_B8G8R8A8_UNORM;
VkPipelineRenderingCreateInfo pipeline_rendering_info = vku::InitStructHelper(&pipe_flags2);
pipeline_rendering_info.colorAttachmentCount = 1;
pipeline_rendering_info.pColorAttachmentFormats = &color_format;
VkPipelineFragmentDensityMapLayeredCreateInfoVALVE fdm_layered_ci = vku::InitStructHelper(&pipeline_rendering_info);
fdm_layered_ci.maxFragmentDensityMapLayers = fdm_properties.maxFragmentDensityMapLayers;
CreatePipelineHelper pipe(*this, &fdm_layered_ci);
pipe.gp_ci_.renderPass = VK_NULL_HANDLE;
pipe.CreateGraphicsPipeline();
auto image_ci = vkt::Image::ImageCreateInfo2D(32, 32, 1, fdm_properties.maxFragmentDensityMapLayers, color_format,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
vkt::Image color_image(*m_device, image_ci, vkt::set_layout);
vkt::ImageView color_image_view = color_image.CreateView(VK_IMAGE_VIEW_TYPE_2D_ARRAY, 0, 1, 0, VK_REMAINING_ARRAY_LAYERS);
VkRenderingAttachmentInfo color_attachment = vku::InitStructHelper();
color_attachment.imageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
color_attachment.imageView = color_image_view;
VkRenderingInfo rendering_info = vku::InitStructHelper();
rendering_info.flags = VK_RENDERING_PER_LAYER_FRAGMENT_DENSITY_BIT_VALVE;
rendering_info.renderArea = {{0, 0}, {32, 32}};
rendering_info.layerCount = fdm_properties.maxFragmentDensityMapLayers;
rendering_info.colorAttachmentCount = 1;
rendering_info.pColorAttachments = &color_attachment;
m_command_buffer.Begin();
m_command_buffer.BeginRendering(rendering_info);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
vk::CmdDraw(m_command_buffer, 3, 1, 0, 0);
m_command_buffer.EndRendering();
m_command_buffer.End();
}
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