blob: 08cf00d0c4004d4f66ff89de2bee24d3fd603f38 [file] [log] [blame]
#include "CompositorVk.h"
#include <string.h>
#include <cinttypes>
#include <glm/gtc/matrix_transform.hpp>
#include <optional>
#include "host-common/logging.h"
#include "vulkan/vk_enum_string_helper.h"
#include "vulkan/vk_util.h"
namespace gfxstream {
namespace vk {
using emugl::ABORT_REASON_OTHER;
using emugl::FatalError;
namespace CompositorVkShader {
#include "vulkan/CompositorFragmentShader.h"
#include "vulkan/CompositorVertexShader.h"
} // namespace CompositorVkShader
namespace {
constexpr const VkImageLayout kSourceImageInitialLayoutUsed =
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
constexpr const VkImageLayout kSourceImageFinalLayoutUsed =
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
constexpr const VkImageLayout kTargetImageInitialLayoutUsed = VK_IMAGE_LAYOUT_UNDEFINED;
constexpr const VkImageLayout kTargetImageFinalLayoutUsed = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
const BorrowedImageInfoVk* getInfoOrAbort(const std::unique_ptr<BorrowedImageInfo>& info) {
auto imageVk = static_cast<const BorrowedImageInfoVk*>(info.get());
if (imageVk != nullptr) {
return imageVk;
}
GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER))
<< "CompositorVk did not find BorrowedImageInfoVk";
}
struct Vertex {
alignas(8) glm::vec2 pos;
alignas(8) glm::vec2 tex;
static VkVertexInputBindingDescription getBindingDescription() {
return VkVertexInputBindingDescription{
.binding = 0,
.stride = sizeof(struct Vertex),
.inputRate = VK_VERTEX_INPUT_RATE_VERTEX,
};
}
static std::array<VkVertexInputAttributeDescription, 2> getAttributeDescription() {
return {
VkVertexInputAttributeDescription{
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = offsetof(struct Vertex, pos),
},
VkVertexInputAttributeDescription{
.location = 1,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = offsetof(struct Vertex, tex),
},
};
}
};
static const std::vector<Vertex> k_vertices = {
// clang-format off
{ .pos = {-1.0f, -1.0f}, .tex = {0.0f, 0.0f}},
{ .pos = { 1.0f, -1.0f}, .tex = {1.0f, 0.0f}},
{ .pos = { 1.0f, 1.0f}, .tex = {1.0f, 1.0f}},
{ .pos = {-1.0f, 1.0f}, .tex = {0.0f, 1.0f}},
// clang-format on
};
static const std::vector<uint16_t> k_indices = {0, 1, 2, 2, 3, 0};
static VkShaderModule createShaderModule(const VulkanDispatch& vk, VkDevice device,
const std::vector<uint32_t>& code) {
const VkShaderModuleCreateInfo shaderModuleCi = {
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.codeSize = static_cast<uint32_t>(code.size() * sizeof(uint32_t)),
.pCode = code.data(),
};
VkShaderModule res;
VK_CHECK(vk.vkCreateShaderModule(device, &shaderModuleCi, nullptr, &res));
return res;
}
} // namespace
CompositorVk::RenderTarget::RenderTarget(const VulkanDispatch& vk, VkDevice vkDevice,
VkImage vkImage, VkImageView vkImageView, uint32_t width,
uint32_t height, VkRenderPass vkRenderPass)
: m_vk(vk),
m_vkDevice(vkDevice),
m_vkImage(vkImage),
m_vkFramebuffer(VK_NULL_HANDLE),
m_width(width),
m_height(height) {
if (vkImageView == VK_NULL_HANDLE) {
GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER))
<< "CompositorVk found empty image view handle when creating RenderTarget.";
}
const VkFramebufferCreateInfo framebufferCi = {
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.flags = 0,
.renderPass = vkRenderPass,
.attachmentCount = 1,
.pAttachments = &vkImageView,
.width = width,
.height = height,
.layers = 1,
};
VK_CHECK(m_vk.vkCreateFramebuffer(vkDevice, &framebufferCi, nullptr, &m_vkFramebuffer));
}
CompositorVk::RenderTarget::~RenderTarget() {
if (m_vkFramebuffer != VK_NULL_HANDLE) {
m_vk.vkDestroyFramebuffer(m_vkDevice, m_vkFramebuffer, nullptr);
}
}
std::unique_ptr<CompositorVk> CompositorVk::create(const VulkanDispatch& vk, VkDevice vkDevice,
VkPhysicalDevice vkPhysicalDevice,
VkQueue vkQueue,
std::shared_ptr<android::base::Lock> queueLock,
uint32_t queueFamilyIndex,
uint32_t maxFramesInFlight) {
auto res = std::unique_ptr<CompositorVk>(new CompositorVk(
vk, vkDevice, vkPhysicalDevice, vkQueue, queueLock, queueFamilyIndex, maxFramesInFlight));
res->setUpCommandPool();
res->setUpSampler();
res->setUpGraphicsPipeline();
res->setUpVertexBuffers();
res->setUpUniformBuffers();
res->setUpDescriptorSets();
res->setUpFences();
res->setUpFrameResourceFutures();
return res;
}
CompositorVk::CompositorVk(const VulkanDispatch& vk, VkDevice vkDevice,
VkPhysicalDevice vkPhysicalDevice, VkQueue vkQueue,
std::shared_ptr<android::base::Lock> queueLock,
uint32_t queueFamilyIndex, uint32_t maxFramesInFlight)
: CompositorVkBase(vk, vkDevice, vkPhysicalDevice, vkQueue, queueLock, queueFamilyIndex,
maxFramesInFlight),
m_maxFramesInFlight(maxFramesInFlight),
m_renderTargetCache(k_renderTargetCacheSize) {}
CompositorVk::~CompositorVk() {
{
android::base::AutoLock lock(*m_vkQueueLock);
VK_CHECK(vk_util::waitForVkQueueIdleWithRetry(m_vk, m_vkQueue));
}
m_vk.vkDestroyDescriptorPool(m_vkDevice, m_vkDescriptorPool, nullptr);
if (m_uniformStorage.m_vkDeviceMemory != VK_NULL_HANDLE) {
m_vk.vkUnmapMemory(m_vkDevice, m_uniformStorage.m_vkDeviceMemory);
}
m_vk.vkDestroyBuffer(m_vkDevice, m_uniformStorage.m_vkBuffer, nullptr);
m_vk.vkFreeMemory(m_vkDevice, m_uniformStorage.m_vkDeviceMemory, nullptr);
m_vk.vkFreeMemory(m_vkDevice, m_vertexVkDeviceMemory, nullptr);
m_vk.vkDestroyBuffer(m_vkDevice, m_vertexVkBuffer, nullptr);
m_vk.vkFreeMemory(m_vkDevice, m_indexVkDeviceMemory, nullptr);
m_vk.vkDestroyBuffer(m_vkDevice, m_indexVkBuffer, nullptr);
m_vk.vkDestroyPipeline(m_vkDevice, m_graphicsVkPipeline, nullptr);
m_vk.vkDestroyRenderPass(m_vkDevice, m_vkRenderPass, nullptr);
m_vk.vkDestroyPipelineLayout(m_vkDevice, m_vkPipelineLayout, nullptr);
m_vk.vkDestroySampler(m_vkDevice, m_vkSampler, nullptr);
m_vk.vkDestroyDescriptorSetLayout(m_vkDevice, m_vkDescriptorSetLayout, nullptr);
m_vk.vkDestroyCommandPool(m_vkDevice, m_vkCommandPool, nullptr);
for (PerFrameResources& frameResources : m_frameResources) {
m_vk.vkDestroyFence(m_vkDevice, frameResources.m_vkFence, nullptr);
}
}
void CompositorVk::setUpGraphicsPipeline() {
const std::vector<uint32_t> vertSpvBuff(CompositorVkShader::compositorVertexShader,
std::end(CompositorVkShader::compositorVertexShader));
const std::vector<uint32_t> fragSpvBuff(CompositorVkShader::compositorFragmentShader,
std::end(CompositorVkShader::compositorFragmentShader));
const auto vertShaderMod = createShaderModule(m_vk, m_vkDevice, vertSpvBuff);
const auto fragShaderMod = createShaderModule(m_vk, m_vkDevice, fragSpvBuff);
const VkPipelineShaderStageCreateInfo shaderStageCis[2] = {
VkPipelineShaderStageCreateInfo{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.module = vertShaderMod,
.pName = "main",
},
VkPipelineShaderStageCreateInfo{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.module = fragShaderMod,
.pName = "main",
},
};
const auto vertexAttributeDescription = Vertex::getAttributeDescription();
const auto vertexBindingDescription = Vertex::getBindingDescription();
const VkPipelineVertexInputStateCreateInfo vertexInputStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.vertexBindingDescriptionCount = 1,
.pVertexBindingDescriptions = &vertexBindingDescription,
.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexAttributeDescription.size()),
.pVertexAttributeDescriptions = vertexAttributeDescription.data(),
};
const VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
.primitiveRestartEnable = VK_FALSE,
};
const VkPipelineViewportStateCreateInfo viewportStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.viewportCount = 1,
// The viewport state is dynamic.
.pViewports = nullptr,
.scissorCount = 1,
// The scissor state is dynamic.
.pScissors = nullptr,
};
const VkPipelineRasterizationStateCreateInfo rasterizerStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.depthClampEnable = VK_FALSE,
.rasterizerDiscardEnable = VK_FALSE,
.polygonMode = VK_POLYGON_MODE_FILL,
.cullMode = VK_CULL_MODE_BACK_BIT,
.frontFace = VK_FRONT_FACE_CLOCKWISE,
.depthBiasEnable = VK_FALSE,
.depthBiasConstantFactor = 0.0f,
.depthBiasClamp = 0.0f,
.depthBiasSlopeFactor = 0.0f,
.lineWidth = 1.0f,
};
const VkPipelineMultisampleStateCreateInfo multisampleStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT,
.sampleShadingEnable = VK_FALSE,
.minSampleShading = 1.0f,
.pSampleMask = nullptr,
.alphaToCoverageEnable = VK_FALSE,
.alphaToOneEnable = VK_FALSE,
};
const VkPipelineColorBlendAttachmentState colorBlendAttachment = {
.blendEnable = VK_TRUE,
.srcColorBlendFactor = VK_BLEND_FACTOR_ONE,
.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.colorBlendOp = VK_BLEND_OP_ADD,
.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE,
.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.alphaBlendOp = VK_BLEND_OP_ADD,
.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT,
};
const VkPipelineColorBlendStateCreateInfo colorBlendStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.logicOpEnable = VK_FALSE,
.attachmentCount = 1,
.pAttachments = &colorBlendAttachment,
};
const VkDynamicState dynamicStates[] = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR,
};
const VkPipelineDynamicStateCreateInfo dynamicStateCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
.dynamicStateCount = std::size(dynamicStates),
.pDynamicStates = dynamicStates,
};
const VkDescriptorSetLayoutBinding layoutBindings[2] = {
VkDescriptorSetLayoutBinding{
.binding = 0,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
.pImmutableSamplers = &m_vkSampler,
},
VkDescriptorSetLayoutBinding{
.binding = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = 1,
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
.pImmutableSamplers = nullptr,
},
};
const VkDescriptorSetLayoutCreateInfo descriptorSetLayoutCi = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.bindingCount = static_cast<uint32_t>(std::size(layoutBindings)),
.pBindings = layoutBindings,
};
VK_CHECK(m_vk.vkCreateDescriptorSetLayout(m_vkDevice, &descriptorSetLayoutCi, nullptr,
&m_vkDescriptorSetLayout));
const VkPipelineLayoutCreateInfo pipelineLayoutCi = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.setLayoutCount = 1,
.pSetLayouts = &m_vkDescriptorSetLayout,
.pushConstantRangeCount = 0,
};
VK_CHECK(
m_vk.vkCreatePipelineLayout(m_vkDevice, &pipelineLayoutCi, nullptr, &m_vkPipelineLayout));
const VkAttachmentDescription colorAttachment = {
.format = VK_FORMAT_R8G8B8A8_UNORM,
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = kTargetImageInitialLayoutUsed,
.finalLayout = kTargetImageFinalLayoutUsed,
};
const VkAttachmentReference colorAttachmentRef = {
.attachment = 0,
.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
};
const VkSubpassDescription subpass = {
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.colorAttachmentCount = 1,
.pColorAttachments = &colorAttachmentRef,
};
// TODO: to support multiple layer composition, we could run the same render
// pass for multiple time. In that case, we should use explicit
// VkImageMemoryBarriers to transform the image layout instead of relying on
// renderpass to do it.
const VkSubpassDependency subpassDependency = {
.srcSubpass = VK_SUBPASS_EXTERNAL,
.dstSubpass = 0,
.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.srcAccessMask = 0,
.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
};
const VkRenderPassCreateInfo renderPassCi = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
.attachmentCount = 1,
.pAttachments = &colorAttachment,
.subpassCount = 1,
.pSubpasses = &subpass,
.dependencyCount = 1,
.pDependencies = &subpassDependency,
};
VK_CHECK(m_vk.vkCreateRenderPass(m_vkDevice, &renderPassCi, nullptr, &m_vkRenderPass));
const VkGraphicsPipelineCreateInfo graphicsPipelineCi = {
.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.stageCount = static_cast<uint32_t>(std::size(shaderStageCis)),
.pStages = shaderStageCis,
.pVertexInputState = &vertexInputStateCi,
.pInputAssemblyState = &inputAssemblyStateCi,
.pViewportState = &viewportStateCi,
.pRasterizationState = &rasterizerStateCi,
.pMultisampleState = &multisampleStateCi,
.pDepthStencilState = nullptr,
.pColorBlendState = &colorBlendStateCi,
.pDynamicState = &dynamicStateCi,
.layout = m_vkPipelineLayout,
.renderPass = m_vkRenderPass,
.subpass = 0,
.basePipelineHandle = VK_NULL_HANDLE,
.basePipelineIndex = -1,
};
VK_CHECK(m_vk.vkCreateGraphicsPipelines(m_vkDevice, VK_NULL_HANDLE, 1, &graphicsPipelineCi,
nullptr, &m_graphicsVkPipeline));
m_vk.vkDestroyShaderModule(m_vkDevice, vertShaderMod, nullptr);
m_vk.vkDestroyShaderModule(m_vkDevice, fragShaderMod, nullptr);
}
void CompositorVk::setUpVertexBuffers() {
const VkDeviceSize vertexBufferSize = sizeof(Vertex) * k_vertices.size();
std::tie(m_vertexVkBuffer, m_vertexVkDeviceMemory) =
createBuffer(vertexBufferSize,
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
.value();
auto [vertexStagingBuffer, vertexStagingBufferMemory] =
createStagingBufferWithData(k_vertices.data(), vertexBufferSize);
copyBuffer(vertexStagingBuffer, m_vertexVkBuffer, vertexBufferSize);
m_vk.vkDestroyBuffer(m_vkDevice, vertexStagingBuffer, nullptr);
m_vk.vkFreeMemory(m_vkDevice, vertexStagingBufferMemory, nullptr);
VkDeviceSize indexBufferSize = sizeof(k_indices[0]) * k_indices.size();
auto [indexStagingBuffer, indexStagingBufferMemory] =
createStagingBufferWithData(k_indices.data(), indexBufferSize);
std::tie(m_indexVkBuffer, m_indexVkDeviceMemory) =
createBuffer(indexBufferSize,
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
.value();
copyBuffer(indexStagingBuffer, m_indexVkBuffer, indexBufferSize);
m_vk.vkDestroyBuffer(m_vkDevice, indexStagingBuffer, nullptr);
m_vk.vkFreeMemory(m_vkDevice, indexStagingBufferMemory, nullptr);
}
void CompositorVk::setUpDescriptorSets() {
const uint32_t descriptorSetsPerFrame = kMaxLayersPerFrame;
const uint32_t descriptorSetsTotal = descriptorSetsPerFrame * m_maxFramesInFlight;
const uint32_t descriptorsOfEachTypePerSet = 1;
const uint32_t descriptorsOfEachTypePerFrame =
descriptorSetsPerFrame * descriptorsOfEachTypePerSet;
const uint32_t descriptorsOfEachTypeTotal = descriptorsOfEachTypePerFrame * m_maxFramesInFlight;
const VkDescriptorPoolSize descriptorPoolSizes[2] = {
VkDescriptorPoolSize{
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.descriptorCount = descriptorsOfEachTypeTotal,
},
VkDescriptorPoolSize{
.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.descriptorCount = descriptorsOfEachTypeTotal,
}};
const VkDescriptorPoolCreateInfo descriptorPoolCi = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
.flags = 0,
.maxSets = descriptorSetsTotal,
.poolSizeCount = static_cast<uint32_t>(std::size(descriptorPoolSizes)),
.pPoolSizes = descriptorPoolSizes,
};
VK_CHECK(
m_vk.vkCreateDescriptorPool(m_vkDevice, &descriptorPoolCi, nullptr, &m_vkDescriptorPool));
const std::vector<VkDescriptorSetLayout> frameDescriptorSetLayouts(descriptorSetsPerFrame,
m_vkDescriptorSetLayout);
const VkDescriptorSetAllocateInfo frameDescriptorSetAllocInfo = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
.descriptorPool = m_vkDescriptorPool,
.descriptorSetCount = descriptorSetsPerFrame,
.pSetLayouts = frameDescriptorSetLayouts.data(),
};
VkDeviceSize uniformBufferOffset = 0;
for (uint32_t frameIndex = 0; frameIndex < m_maxFramesInFlight; ++frameIndex) {
PerFrameResources& frameResources = m_frameResources[frameIndex];
frameResources.m_layerDescriptorSets.resize(descriptorSetsPerFrame);
VK_CHECK(m_vk.vkAllocateDescriptorSets(m_vkDevice, &frameDescriptorSetAllocInfo,
frameResources.m_layerDescriptorSets.data()));
for (uint32_t layerIndex = 0; layerIndex < kMaxLayersPerFrame; ++layerIndex) {
const VkDescriptorBufferInfo bufferInfo = {
.buffer = m_uniformStorage.m_vkBuffer,
.offset = uniformBufferOffset,
.range = sizeof(UniformBufferBinding),
};
const VkWriteDescriptorSet descriptorSetWrite = {
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstSet = frameResources.m_layerDescriptorSets[layerIndex],
.dstBinding = 1,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.pBufferInfo = &bufferInfo,
};
m_vk.vkUpdateDescriptorSets(m_vkDevice, 1, &descriptorSetWrite, 0, nullptr);
uniformBufferOffset += m_uniformStorage.m_stride;
}
}
}
void CompositorVk::setUpCommandPool() {
const VkCommandPoolCreateInfo commandPoolCreateInfo = {
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.flags = 0,
.queueFamilyIndex = m_queueFamilyIndex,
};
VkCommandPool commandPool = VK_NULL_HANDLE;
VK_CHECK(m_vk.vkCreateCommandPool(m_vkDevice, &commandPoolCreateInfo, nullptr, &commandPool));
m_vkCommandPool = commandPool;
}
void CompositorVk::setUpFences() {
for (uint32_t frameIndex = 0; frameIndex < m_maxFramesInFlight; ++frameIndex) {
PerFrameResources& frameResources = m_frameResources[frameIndex];
const VkFenceCreateInfo fenceCi = {
.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
};
VkFence fence;
VK_CHECK(m_vk.vkCreateFence(m_vkDevice, &fenceCi, nullptr, &fence));
frameResources.m_vkFence = fence;
}
}
void CompositorVk::setUpFrameResourceFutures() {
for (uint32_t frameIndex = 0; frameIndex < m_maxFramesInFlight; ++frameIndex) {
std::shared_future<PerFrameResources*> availableFrameResourceFuture =
std::async(std::launch::deferred, [this, frameIndex] {
return &m_frameResources[frameIndex];
}).share();
m_availableFrameResources.push_back(std::move(availableFrameResourceFuture));
}
}
void CompositorVk::setUpUniformBuffers() {
VkPhysicalDeviceProperties physicalDeviceProperties;
m_vk.vkGetPhysicalDeviceProperties(m_vkPhysicalDevice, &physicalDeviceProperties);
const VkDeviceSize alignment = physicalDeviceProperties.limits.minUniformBufferOffsetAlignment;
m_uniformStorage.m_stride = ((sizeof(UniformBufferBinding) - 1) / alignment + 1) * alignment;
VkDeviceSize size = m_uniformStorage.m_stride * m_maxFramesInFlight * kMaxLayersPerFrame;
auto maybeBuffer =
createBuffer(size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT |
VK_MEMORY_PROPERTY_HOST_CACHED_BIT);
auto buffer = std::make_tuple<VkBuffer, VkDeviceMemory>(VK_NULL_HANDLE, VK_NULL_HANDLE);
if (maybeBuffer.has_value()) {
buffer = maybeBuffer.value();
} else {
buffer =
createBuffer(size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)
.value();
}
std::tie(m_uniformStorage.m_vkBuffer, m_uniformStorage.m_vkDeviceMemory) = buffer;
void* mapped = nullptr;
VK_CHECK(m_vk.vkMapMemory(m_vkDevice, m_uniformStorage.m_vkDeviceMemory, 0, size, 0, &mapped));
uint8_t* data = reinterpret_cast<uint8_t*>(mapped);
for (uint32_t frameIndex = 0; frameIndex < m_maxFramesInFlight; ++frameIndex) {
PerFrameResources& frameResources = m_frameResources[frameIndex];
for (uint32_t layerIndex = 0; layerIndex < kMaxLayersPerFrame; ++layerIndex) {
auto* layerUboStorage = reinterpret_cast<UniformBufferBinding*>(data);
frameResources.m_layerUboStorages.push_back(layerUboStorage);
data += m_uniformStorage.m_stride;
}
}
}
void CompositorVk::setUpSampler() {
// The texture coordinate transformation matrices for flip/rotate/etc
// currently depends on this being repeat.
constexpr const VkSamplerAddressMode kSamplerMode = VK_SAMPLER_ADDRESS_MODE_REPEAT;
const VkSamplerCreateInfo samplerCi = {
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.magFilter = VK_FILTER_LINEAR,
.minFilter = VK_FILTER_LINEAR,
.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR,
.addressModeU = kSamplerMode,
.addressModeV = kSamplerMode,
.addressModeW = kSamplerMode,
.mipLodBias = 0.0f,
.anisotropyEnable = VK_FALSE,
.maxAnisotropy = 1.0f,
.compareEnable = VK_FALSE,
.compareOp = VK_COMPARE_OP_ALWAYS,
.minLod = 0.0f,
.maxLod = 0.0f,
.borderColor = VK_BORDER_COLOR_INT_TRANSPARENT_BLACK,
.unnormalizedCoordinates = VK_FALSE,
};
VK_CHECK(m_vk.vkCreateSampler(m_vkDevice, &samplerCi, nullptr, &m_vkSampler));
}
// Create a VkBuffer and a bound VkDeviceMemory. When the specified memory type
// can't be found, return std::nullopt. When Vulkan call fails, terminate the
// program.
std::optional<std::tuple<VkBuffer, VkDeviceMemory>> CompositorVk::createBuffer(
VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags memProperty) const {
const VkBufferCreateInfo bufferCi = {
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.size = size,
.usage = usage,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
};
VkBuffer resBuffer;
VK_CHECK(m_vk.vkCreateBuffer(m_vkDevice, &bufferCi, nullptr, &resBuffer));
VkMemoryRequirements memRequirements;
m_vk.vkGetBufferMemoryRequirements(m_vkDevice, resBuffer, &memRequirements);
VkPhysicalDeviceMemoryProperties physicalMemProperties;
m_vk.vkGetPhysicalDeviceMemoryProperties(m_vkPhysicalDevice, &physicalMemProperties);
auto maybeMemoryTypeIndex = findMemoryType(memRequirements.memoryTypeBits, memProperty);
if (!maybeMemoryTypeIndex.has_value()) {
ERR("Failed to find memory type for creating buffer.");
m_vk.vkDestroyBuffer(m_vkDevice, resBuffer, nullptr);
return std::nullopt;
}
const VkMemoryAllocateInfo memAllocInfo = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.allocationSize = memRequirements.size,
.memoryTypeIndex = maybeMemoryTypeIndex.value(),
};
VkDeviceMemory resMemory;
VK_CHECK_MEMALLOC(m_vk.vkAllocateMemory(m_vkDevice, &memAllocInfo, nullptr, &resMemory),
memAllocInfo);
VK_CHECK(m_vk.vkBindBufferMemory(m_vkDevice, resBuffer, resMemory, 0));
return std::make_tuple(resBuffer, resMemory);
}
std::tuple<VkBuffer, VkDeviceMemory> CompositorVk::createStagingBufferWithData(
const void* srcData, VkDeviceSize size) const {
auto [stagingBuffer, stagingBufferMemory] =
createBuffer(size, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)
.value();
void* data;
VK_CHECK(m_vk.vkMapMemory(m_vkDevice, stagingBufferMemory, 0, size, 0, &data));
memcpy(data, srcData, size);
m_vk.vkUnmapMemory(m_vkDevice, stagingBufferMemory);
return std::make_tuple(stagingBuffer, stagingBufferMemory);
}
void CompositorVk::copyBuffer(VkBuffer src, VkBuffer dst, VkDeviceSize size) const {
runSingleTimeCommands(m_vkQueue, m_vkQueueLock, [&, this](const auto& cmdBuff) {
VkBufferCopy copyRegion = {};
copyRegion.srcOffset = 0;
copyRegion.dstOffset = 0;
copyRegion.size = size;
m_vk.vkCmdCopyBuffer(cmdBuff, src, dst, 1, &copyRegion);
});
}
// TODO: move this to another common CRTP helper class in vk_util.h.
VkFormatFeatureFlags CompositorVk::getFormatFeatures(VkFormat format, VkImageTiling tiling) {
auto i = m_vkFormatProperties.find(format);
if (i == m_vkFormatProperties.end()) {
VkFormatProperties formatProperties;
m_vk.vkGetPhysicalDeviceFormatProperties(m_vkPhysicalDevice, format, &formatProperties);
i = m_vkFormatProperties.emplace(format, formatProperties).first;
}
const VkFormatProperties& formatProperties = i->second;
VkFormatFeatureFlags formatFeatures = 0;
if (tiling == VK_IMAGE_TILING_LINEAR) {
formatFeatures = formatProperties.linearTilingFeatures;
} else if (tiling == VK_IMAGE_TILING_OPTIMAL) {
formatFeatures = formatProperties.optimalTilingFeatures;
} else {
ERR("Unknown tiling:%#" PRIx64 ".", static_cast<uint64_t>(tiling));
}
return formatFeatures;
}
CompositorVk::RenderTarget* CompositorVk::getOrCreateRenderTargetInfo(
const BorrowedImageInfoVk& imageInfo) {
auto* renderTargetPtr = m_renderTargetCache.get(imageInfo.id);
if (renderTargetPtr != nullptr) {
return renderTargetPtr->get();
}
auto* renderTarget = new RenderTarget(m_vk, m_vkDevice, imageInfo.image, imageInfo.imageView,
imageInfo.imageCreateInfo.extent.width,
imageInfo.imageCreateInfo.extent.height, m_vkRenderPass);
m_renderTargetCache.set(imageInfo.id, std::unique_ptr<RenderTarget>(renderTarget));
return renderTarget;
}
bool CompositorVk::canCompositeFrom(const VkImageCreateInfo& imageCi) {
VkFormatFeatureFlags formatFeatures = getFormatFeatures(imageCi.format, imageCi.tiling);
if (!(formatFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
ERR("The format, %s, with tiling, %s, doesn't support the "
"VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT feature. All supported features are %s.",
string_VkFormat(imageCi.format), string_VkImageTiling(imageCi.tiling),
string_VkFormatFeatureFlags(formatFeatures).c_str());
return false;
}
return true;
}
bool CompositorVk::canCompositeTo(const VkImageCreateInfo& imageCi) {
VkFormatFeatureFlags formatFeatures = getFormatFeatures(imageCi.format, imageCi.tiling);
if (!(formatFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
ERR("The format, %s, with tiling, %s, doesn't support the "
"VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT feature. All supported features are %s.",
string_VkFormat(imageCi.format), string_VkImageTiling(imageCi.tiling),
string_VkFormatFeatureFlags(formatFeatures).c_str());
return false;
}
if (!(imageCi.usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
ERR("The VkImage is not created with the VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT usage flag. "
"The usage flags are %s.",
string_VkImageUsageFlags(imageCi.usage).c_str());
return false;
}
if (imageCi.format != k_renderTargetFormat) {
ERR("The format of the image, %s, is not supported by the CompositorVk as the render "
"target.",
string_VkFormat(imageCi.format));
return false;
}
return true;
}
void CompositorVk::buildCompositionVk(const CompositionRequest& compositionRequest,
CompositionVk* compositionVk) {
const BorrowedImageInfoVk* targetImage = getInfoOrAbort(compositionRequest.target);
RenderTarget* targetImageRenderTarget = getOrCreateRenderTargetInfo(*targetImage);
const uint32_t targetWidth = targetImage->width;
const uint32_t targetHeight = targetImage->height;
compositionVk->targetImage = targetImage;
compositionVk->targetFramebuffer = targetImageRenderTarget->m_vkFramebuffer;
for (const CompositionRequestLayer& layer : compositionRequest.layers) {
const BorrowedImageInfoVk* sourceImage = getInfoOrAbort(layer.source);
if (!canCompositeFrom(sourceImage->imageCreateInfo)) {
continue;
}
const uint32_t sourceImageWidth = sourceImage->width;
const uint32_t sourceImageHeight = sourceImage->height;
// Calculate the posTransform and the texcoordTransform needed in the
// uniform of the Compositor.vert shader. The posTransform should transform
// the square(top = -1, bottom = 1, left = -1, right = 1) to the position
// where the layer should be drawn in NDC space given the layer.
// texcoordTransform should transform the unit square(top = 0, bottom = 1,
// left = 0, right = 1) to where we should sample the layer in the
// normalized uv space given the composeLayer.
const hwc_rect_t& posRect = layer.props.displayFrame;
const hwc_frect_t& texcoordRect = layer.props.crop;
const int posWidth = posRect.right - posRect.left;
const int posHeight = posRect.bottom - posRect.top;
const float posScaleX = float(posWidth) / targetWidth;
const float posScaleY = float(posHeight) / targetHeight;
const float posTranslateX = -1.0f + posScaleX + 2.0f * float(posRect.left) / targetWidth;
const float posTranslateY = -1.0f + posScaleY + 2.0f * float(posRect.top) / targetHeight;
float texCoordScaleX = (texcoordRect.right - texcoordRect.left) / float(sourceImageWidth);
float texCoordScaleY = (texcoordRect.bottom - texcoordRect.top) / float(sourceImageHeight);
const float texCoordTranslateX = texcoordRect.left / float(sourceImageWidth);
const float texCoordTranslateY = texcoordRect.top / float(sourceImageHeight);
float texcoordRotation = 0.0f;
const float pi = glm::pi<float>();
switch (layer.props.transform) {
case HWC_TRANSFORM_NONE:
break;
case HWC_TRANSFORM_ROT_90:
texcoordRotation = pi * 0.5f;
break;
case HWC_TRANSFORM_ROT_180:
texcoordRotation = pi;
break;
case HWC_TRANSFORM_ROT_270:
texcoordRotation = pi * 1.5f;
break;
case HWC_TRANSFORM_FLIP_H:
texCoordScaleX *= -1.0f;
break;
case HWC_TRANSFORM_FLIP_V:
texCoordScaleY *= -1.0f;
break;
case HWC_TRANSFORM_FLIP_H_ROT_90:
texcoordRotation = pi * 0.5f;
texCoordScaleX *= -1.0f;
break;
case HWC_TRANSFORM_FLIP_V_ROT_90:
texcoordRotation = pi * 0.5f;
texCoordScaleY *= -1.0f;
break;
default:
ERR("Unknown transform:%d", static_cast<int>(layer.props.transform));
break;
}
const DescriptorSetContents descriptorSetContents = {
.binding0 =
{
.sampledImageView = sourceImage->imageView,
},
.binding1 = {
.positionTransform =
glm::translate(glm::mat4(1.0f), glm::vec3(posTranslateX, posTranslateY, 0.0f)) *
glm::scale(glm::mat4(1.0f), glm::vec3(posScaleX, posScaleY, 1.0f)),
.texCoordTransform =
glm::translate(glm::mat4(1.0f),
glm::vec3(texCoordTranslateX, texCoordTranslateY, 0.0f)) *
glm::scale(glm::mat4(1.0f), glm::vec3(texCoordScaleX, texCoordScaleY, 1.0f)) *
glm::rotate(glm::mat4(1.0f), texcoordRotation, glm::vec3(0.0f, 0.0f, 1.0f)),
}};
compositionVk->layersDescriptorSets.descriptorSets.emplace_back(descriptorSetContents);
compositionVk->layersSourceImages.emplace_back(sourceImage);
}
}
CompositorVk::CompositionFinishedWaitable CompositorVk::compose(
const CompositionRequest& compositionRequest) {
CompositionVk compositionVk;
buildCompositionVk(compositionRequest, &compositionVk);
// Grab and wait for the next available resources.
if (m_availableFrameResources.empty()) {
GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER))
<< "CompositorVk failed to get PerFrameResources.";
}
auto frameResourceFuture = std::move(m_availableFrameResources.front());
m_availableFrameResources.pop_front();
PerFrameResources* frameResources = frameResourceFuture.get();
updateDescriptorSetsIfChanged(compositionVk.layersDescriptorSets, frameResources);
std::vector<VkImageMemoryBarrier> preCompositionQueueTransferBarriers;
std::vector<VkImageMemoryBarrier> preCompositionLayoutTransitionBarriers;
std::vector<VkImageMemoryBarrier> postCompositionLayoutTransitionBarriers;
std::vector<VkImageMemoryBarrier> postCompositionQueueTransferBarriers;
addNeededBarriersToUseBorrowedImage(
*compositionVk.targetImage, m_queueFamilyIndex, kTargetImageInitialLayoutUsed,
kTargetImageFinalLayoutUsed, VK_ACCESS_MEMORY_WRITE_BIT,
&preCompositionQueueTransferBarriers, &preCompositionLayoutTransitionBarriers,
&postCompositionLayoutTransitionBarriers, &postCompositionQueueTransferBarriers);
for (const BorrowedImageInfoVk* sourceImage : compositionVk.layersSourceImages) {
addNeededBarriersToUseBorrowedImage(
*sourceImage, m_queueFamilyIndex, kSourceImageInitialLayoutUsed,
kSourceImageFinalLayoutUsed, VK_ACCESS_SHADER_READ_BIT,
&preCompositionQueueTransferBarriers, &preCompositionLayoutTransitionBarriers,
&postCompositionLayoutTransitionBarriers, &postCompositionQueueTransferBarriers);
}
VkCommandBuffer& commandBuffer = frameResources->m_vkCommandBuffer;
if (commandBuffer != VK_NULL_HANDLE) {
m_vk.vkFreeCommandBuffers(m_vkDevice, m_vkCommandPool, 1, &commandBuffer);
}
const VkCommandBufferAllocateInfo commandBufferAllocInfo = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.commandPool = m_vkCommandPool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = 1,
};
VK_CHECK(m_vk.vkAllocateCommandBuffers(m_vkDevice, &commandBufferAllocInfo, &commandBuffer));
const VkCommandBufferBeginInfo beginInfo = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
};
VK_CHECK(m_vk.vkBeginCommandBuffer(commandBuffer, &beginInfo));
if (!preCompositionQueueTransferBarriers.empty()) {
m_vk.vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0, 0, nullptr, 0, nullptr,
static_cast<uint32_t>(preCompositionQueueTransferBarriers.size()),
preCompositionQueueTransferBarriers.data());
}
if (!preCompositionLayoutTransitionBarriers.empty()) {
m_vk.vkCmdPipelineBarrier(
commandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, 0, nullptr, 0, nullptr,
static_cast<uint32_t>(preCompositionLayoutTransitionBarriers.size()),
preCompositionLayoutTransitionBarriers.data());
}
const VkClearValue renderTargetClearColor = {
.color =
{
.float32 = {0.0f, 0.0f, 0.0f, 1.0f},
},
};
const VkRenderPassBeginInfo renderPassBeginInfo = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
.renderPass = m_vkRenderPass,
.framebuffer = compositionVk.targetFramebuffer,
.renderArea =
{
.offset =
{
.x = 0,
.y = 0,
},
.extent =
{
.width = compositionVk.targetImage->imageCreateInfo.extent.width,
.height = compositionVk.targetImage->imageCreateInfo.extent.height,
},
},
.clearValueCount = 1,
.pClearValues = &renderTargetClearColor,
};
m_vk.vkCmdBeginRenderPass(commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
m_vk.vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_graphicsVkPipeline);
const VkRect2D scissor = {
.offset =
{
.x = 0,
.y = 0,
},
.extent =
{
.width = compositionVk.targetImage->imageCreateInfo.extent.width,
.height = compositionVk.targetImage->imageCreateInfo.extent.height,
},
};
m_vk.vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
const VkViewport viewport = {
.x = 0.0f,
.y = 0.0f,
.width = static_cast<float>(compositionVk.targetImage->imageCreateInfo.extent.width),
.height = static_cast<float>(compositionVk.targetImage->imageCreateInfo.extent.height),
.minDepth = 0.0f,
.maxDepth = 1.0f,
};
m_vk.vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
const VkDeviceSize offsets[] = {0};
m_vk.vkCmdBindVertexBuffers(commandBuffer, 0, 1, &m_vertexVkBuffer, offsets);
m_vk.vkCmdBindIndexBuffer(commandBuffer, m_indexVkBuffer, 0, VK_INDEX_TYPE_UINT16);
for (int layerIndex = 0; layerIndex < compositionVk.layersSourceImages.size(); ++layerIndex) {
VkDescriptorSet layerDescriptorSet = frameResources->m_layerDescriptorSets[layerIndex];
m_vk.vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
m_vkPipelineLayout,
/*firstSet=*/0,
/*descriptorSetCount=*/1, &layerDescriptorSet,
/*dynamicOffsetCount=*/0,
/*pDynamicOffsets=*/nullptr);
m_vk.vkCmdDrawIndexed(commandBuffer, static_cast<uint32_t>(k_indices.size()), 1, 0, 0, 0);
}
m_vk.vkCmdEndRenderPass(commandBuffer);
// Insert a VkImageMemoryBarrier so that the vkCmdBlitImage in post will wait for the rendering
// to the render target to complete.
const VkImageMemoryBarrier renderTargetBarrier = {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT,
.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = compositionVk.targetImage->image,
.subresourceRange =
{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1,
},
};
m_vk.vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
/*dependencyFlags=*/0,
/*memoryBarrierCount=*/0,
/*pMemoryBarriers=*/nullptr,
/*bufferMemoryBarrierCount=*/0,
/*pBufferMemoryBarriers=*/nullptr, 1, &renderTargetBarrier);
if (!postCompositionLayoutTransitionBarriers.empty()) {
m_vk.vkCmdPipelineBarrier(
commandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, 0, nullptr, 0, nullptr,
static_cast<uint32_t>(postCompositionLayoutTransitionBarriers.size()),
postCompositionLayoutTransitionBarriers.data());
}
if (!postCompositionQueueTransferBarriers.empty()) {
m_vk.vkCmdPipelineBarrier(
commandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, 0, nullptr, 0, nullptr,
static_cast<uint32_t>(postCompositionQueueTransferBarriers.size()),
postCompositionQueueTransferBarriers.data());
}
VK_CHECK(m_vk.vkEndCommandBuffer(commandBuffer));
VkFence composeCompleteFence = frameResources->m_vkFence;
VK_CHECK(m_vk.vkResetFences(m_vkDevice, 1, &composeCompleteFence));
const VkPipelineStageFlags submitWaitStages[] = {
VK_PIPELINE_STAGE_TRANSFER_BIT,
};
const VkSubmitInfo submitInfo = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.waitSemaphoreCount = 0,
.pWaitSemaphores = nullptr,
.pWaitDstStageMask = submitWaitStages,
.commandBufferCount = 1,
.pCommandBuffers = &commandBuffer,
.signalSemaphoreCount = 0,
.pSignalSemaphores = nullptr,
};
{
android::base::AutoLock lock(*m_vkQueueLock);
VK_CHECK(m_vk.vkQueueSubmit(m_vkQueue, 1, &submitInfo, composeCompleteFence));
}
// Create a future that will return the PerFrameResources to the next
// iteration of CompostiorVk::compose() once this current composition
// completes.
std::shared_future<PerFrameResources*> composeCompleteFutureForResources =
std::async(std::launch::deferred, [composeCompleteFence, frameResources, this]() mutable {
VkResult res = m_vk.vkWaitForFences(m_vkDevice, 1, &composeCompleteFence, VK_TRUE,
kVkWaitForFencesTimeoutNsecs);
if (res == VK_SUCCESS) {
return frameResources;
}
if (res == VK_TIMEOUT) {
// Retry. If device lost, hopefully this returns immediately.
res = m_vk.vkWaitForFences(m_vkDevice, 1, &composeCompleteFence, VK_TRUE,
kVkWaitForFencesTimeoutNsecs);
}
VK_CHECK(res);
return frameResources;
}).share();
m_availableFrameResources.push_back(composeCompleteFutureForResources);
// Create a future that will return once this current composition
// completes that can be shared outside of CompositorVk.
std::shared_future<void> composeCompleteFuture =
std::async(std::launch::deferred, [composeCompleteFutureForResources]() {
composeCompleteFutureForResources.get();
}).share();
return composeCompleteFuture;
}
void CompositorVk::onImageDestroyed(uint32_t imageId) { m_renderTargetCache.remove(imageId); }
bool operator==(const CompositorVkBase::DescriptorSetContents& lhs,
const CompositorVkBase::DescriptorSetContents& rhs) {
return std::tie(lhs.binding0.sampledImageView, lhs.binding1.positionTransform,
lhs.binding1.texCoordTransform) == std::tie(rhs.binding0.sampledImageView,
rhs.binding1.positionTransform,
rhs.binding1.texCoordTransform);
}
bool operator==(const CompositorVkBase::FrameDescriptorSetsContents& lhs,
const CompositorVkBase::FrameDescriptorSetsContents& rhs) {
return lhs.descriptorSets == rhs.descriptorSets;
}
void CompositorVk::updateDescriptorSetsIfChanged(
const FrameDescriptorSetsContents& descriptorSetsContents, PerFrameResources* frameResources) {
if (frameResources->m_vkDescriptorSetsContents == descriptorSetsContents) {
return;
}
const uint32_t numRequestedLayers =
static_cast<uint32_t>(descriptorSetsContents.descriptorSets.size());
if (numRequestedLayers > kMaxLayersPerFrame) {
GFXSTREAM_ABORT(FatalError(ABORT_REASON_OTHER))
<< "CompositorVk can't compose more than " << kMaxLayersPerFrame
<< " layers. layers asked: " << numRequestedLayers;
return;
}
std::vector<VkDescriptorImageInfo> descriptorImageInfos(numRequestedLayers);
std::vector<VkWriteDescriptorSet> descriptorWrites;
for (uint32_t layerIndex = 0; layerIndex < numRequestedLayers; ++layerIndex) {
const DescriptorSetContents& layerDescriptorSetContents =
descriptorSetsContents.descriptorSets[layerIndex];
descriptorImageInfos[layerIndex] = VkDescriptorImageInfo{
// Empty as we only use immutable samplers.
.sampler = VK_NULL_HANDLE,
.imageView = layerDescriptorSetContents.binding0.sampledImageView,
.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
};
descriptorWrites.emplace_back(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.dstSet = frameResources->m_layerDescriptorSets[layerIndex],
.dstBinding = 0,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.pImageInfo = &descriptorImageInfos[layerIndex],
});
UniformBufferBinding* layerUboStorage = frameResources->m_layerUboStorages[layerIndex];
*layerUboStorage = layerDescriptorSetContents.binding1;
}
m_vk.vkUpdateDescriptorSets(m_vkDevice, descriptorWrites.size(), descriptorWrites.data(), 0,
nullptr);
frameResources->m_vkDescriptorSetsContents = descriptorSetsContents;
}
} // namespace vk
} // namespace gfxstream