| // Copyright 2018 The Dawn Authors |
| // |
| // 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 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn_native/vulkan/RenderPassCache.h" |
| |
| #include "common/BitSetIterator.h" |
| #include "common/HashUtils.h" |
| #include "dawn_native/vulkan/DeviceVk.h" |
| #include "dawn_native/vulkan/TextureVk.h" |
| #include "dawn_native/vulkan/VulkanError.h" |
| |
| namespace dawn::native::vulkan { |
| |
| namespace { |
| VkAttachmentLoadOp VulkanAttachmentLoadOp(wgpu::LoadOp op) { |
| switch (op) { |
| case wgpu::LoadOp::Load: |
| return VK_ATTACHMENT_LOAD_OP_LOAD; |
| case wgpu::LoadOp::Clear: |
| return VK_ATTACHMENT_LOAD_OP_CLEAR; |
| } |
| UNREACHABLE(); |
| } |
| |
| VkAttachmentStoreOp VulkanAttachmentStoreOp(wgpu::StoreOp op) { |
| // TODO(crbug.com/dawn/485): return STORE_OP_STORE_NONE_QCOM if the device has required |
| // extension. |
| switch (op) { |
| case wgpu::StoreOp::Store: |
| return VK_ATTACHMENT_STORE_OP_STORE; |
| case wgpu::StoreOp::Discard: |
| return VK_ATTACHMENT_STORE_OP_DONT_CARE; |
| } |
| UNREACHABLE(); |
| } |
| } // anonymous namespace |
| |
| // RenderPassCacheQuery |
| |
| void RenderPassCacheQuery::SetColor(ColorAttachmentIndex index, |
| wgpu::TextureFormat format, |
| wgpu::LoadOp loadOp, |
| wgpu::StoreOp storeOp, |
| bool hasResolveTarget) { |
| colorMask.set(index); |
| colorFormats[index] = format; |
| colorLoadOp[index] = loadOp; |
| colorStoreOp[index] = storeOp; |
| resolveTargetMask[index] = hasResolveTarget; |
| } |
| |
| void RenderPassCacheQuery::SetDepthStencil(wgpu::TextureFormat format, |
| wgpu::LoadOp depthLoadOpIn, |
| wgpu::StoreOp depthStoreOpIn, |
| wgpu::LoadOp stencilLoadOpIn, |
| wgpu::StoreOp stencilStoreOpIn, |
| bool readOnly) { |
| hasDepthStencil = true; |
| depthStencilFormat = format; |
| depthLoadOp = depthLoadOpIn; |
| depthStoreOp = depthStoreOpIn; |
| stencilLoadOp = stencilLoadOpIn; |
| stencilStoreOp = stencilStoreOpIn; |
| readOnlyDepthStencil = readOnly; |
| } |
| |
| void RenderPassCacheQuery::SetSampleCount(uint32_t sampleCount) { |
| this->sampleCount = sampleCount; |
| } |
| |
| // RenderPassCache |
| |
| RenderPassCache::RenderPassCache(Device* device) : mDevice(device) { |
| } |
| |
| RenderPassCache::~RenderPassCache() { |
| std::lock_guard<std::mutex> lock(mMutex); |
| for (auto [_, renderPass] : mCache) { |
| mDevice->fn.DestroyRenderPass(mDevice->GetVkDevice(), renderPass, nullptr); |
| } |
| |
| mCache.clear(); |
| } |
| |
| ResultOrError<VkRenderPass> RenderPassCache::GetRenderPass(const RenderPassCacheQuery& query) { |
| std::lock_guard<std::mutex> lock(mMutex); |
| auto it = mCache.find(query); |
| if (it != mCache.end()) { |
| return VkRenderPass(it->second); |
| } |
| |
| VkRenderPass renderPass; |
| DAWN_TRY_ASSIGN(renderPass, CreateRenderPassForQuery(query)); |
| mCache.emplace(query, renderPass); |
| return renderPass; |
| } |
| |
| ResultOrError<VkRenderPass> RenderPassCache::CreateRenderPassForQuery( |
| const RenderPassCacheQuery& query) const { |
| // The Vulkan subpasses want to know the layout of the attachments with VkAttachmentRef. |
| // Precompute them as they must be pointer-chained in VkSubpassDescription |
| std::array<VkAttachmentReference, kMaxColorAttachments> colorAttachmentRefs; |
| std::array<VkAttachmentReference, kMaxColorAttachments> resolveAttachmentRefs; |
| VkAttachmentReference depthStencilAttachmentRef; |
| |
| // Contains the attachment description that will be chained in the create info |
| // The order of all attachments in attachmentDescs is "color-depthstencil-resolve". |
| constexpr uint8_t kMaxAttachmentCount = kMaxColorAttachments * 2 + 1; |
| std::array<VkAttachmentDescription, kMaxAttachmentCount> attachmentDescs = {}; |
| |
| VkSampleCountFlagBits vkSampleCount = VulkanSampleCount(query.sampleCount); |
| |
| uint32_t colorAttachmentIndex = 0; |
| for (ColorAttachmentIndex i : IterateBitSet(query.colorMask)) { |
| auto& attachmentRef = colorAttachmentRefs[colorAttachmentIndex]; |
| auto& attachmentDesc = attachmentDescs[colorAttachmentIndex]; |
| |
| attachmentRef.attachment = colorAttachmentIndex; |
| attachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; |
| |
| attachmentDesc.flags = 0; |
| attachmentDesc.format = VulkanImageFormat(mDevice, query.colorFormats[i]); |
| attachmentDesc.samples = vkSampleCount; |
| attachmentDesc.loadOp = VulkanAttachmentLoadOp(query.colorLoadOp[i]); |
| attachmentDesc.storeOp = VulkanAttachmentStoreOp(query.colorStoreOp[i]); |
| attachmentDesc.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; |
| attachmentDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; |
| |
| ++colorAttachmentIndex; |
| } |
| |
| uint32_t attachmentCount = colorAttachmentIndex; |
| VkAttachmentReference* depthStencilAttachment = nullptr; |
| if (query.hasDepthStencil) { |
| auto& attachmentDesc = attachmentDescs[attachmentCount]; |
| |
| depthStencilAttachment = &depthStencilAttachmentRef; |
| |
| depthStencilAttachmentRef.attachment = attachmentCount; |
| depthStencilAttachmentRef.layout = |
| query.readOnlyDepthStencil ? VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL |
| : VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; |
| |
| attachmentDesc.flags = 0; |
| attachmentDesc.format = VulkanImageFormat(mDevice, query.depthStencilFormat); |
| attachmentDesc.samples = vkSampleCount; |
| |
| attachmentDesc.loadOp = VulkanAttachmentLoadOp(query.depthLoadOp); |
| attachmentDesc.storeOp = VulkanAttachmentStoreOp(query.depthStoreOp); |
| attachmentDesc.stencilLoadOp = VulkanAttachmentLoadOp(query.stencilLoadOp); |
| attachmentDesc.stencilStoreOp = VulkanAttachmentStoreOp(query.stencilStoreOp); |
| |
| // There is only one subpass, so it is safe to set both initialLayout and finalLayout to |
| // the only subpass's layout. |
| attachmentDesc.initialLayout = depthStencilAttachmentRef.layout; |
| attachmentDesc.finalLayout = depthStencilAttachmentRef.layout; |
| |
| ++attachmentCount; |
| } |
| |
| uint32_t resolveAttachmentIndex = 0; |
| for (ColorAttachmentIndex i : IterateBitSet(query.resolveTargetMask)) { |
| auto& attachmentRef = resolveAttachmentRefs[resolveAttachmentIndex]; |
| auto& attachmentDesc = attachmentDescs[attachmentCount]; |
| |
| attachmentRef.attachment = attachmentCount; |
| attachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; |
| |
| attachmentDesc.flags = 0; |
| attachmentDesc.format = VulkanImageFormat(mDevice, query.colorFormats[i]); |
| attachmentDesc.samples = VK_SAMPLE_COUNT_1_BIT; |
| attachmentDesc.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; |
| attachmentDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE; |
| attachmentDesc.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; |
| attachmentDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; |
| |
| ++attachmentCount; |
| ++resolveAttachmentIndex; |
| } |
| |
| // All color attachments without a corresponding resolve attachment must be set to VK_ATTACHMENT_UNUSED |
| for (; resolveAttachmentIndex < colorAttachmentIndex; resolveAttachmentIndex++) { |
| auto& attachmentRef = resolveAttachmentRefs[resolveAttachmentIndex]; |
| attachmentRef.attachment = VK_ATTACHMENT_UNUSED; |
| attachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; // The Khronos Vulkan validation layer will complain if not set |
| } |
| |
| VkAttachmentReference* resolveTargetAttachmentRefs = |
| query.resolveTargetMask.any() ? resolveAttachmentRefs.data() : nullptr; |
| |
| // Create the VkSubpassDescription that will be chained in the VkRenderPassCreateInfo |
| VkSubpassDescription subpassDesc; |
| subpassDesc.flags = 0; |
| subpassDesc.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; |
| subpassDesc.inputAttachmentCount = 0; |
| subpassDesc.pInputAttachments = nullptr; |
| subpassDesc.colorAttachmentCount = colorAttachmentIndex; |
| subpassDesc.pColorAttachments = colorAttachmentRefs.data(); |
| subpassDesc.pResolveAttachments = resolveTargetAttachmentRefs; |
| subpassDesc.pDepthStencilAttachment = depthStencilAttachment; |
| subpassDesc.preserveAttachmentCount = 0; |
| subpassDesc.pPreserveAttachments = nullptr; |
| |
| // Chain everything in VkRenderPassCreateInfo |
| VkRenderPassCreateInfo createInfo; |
| createInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; |
| createInfo.pNext = nullptr; |
| createInfo.flags = 0; |
| createInfo.attachmentCount = attachmentCount; |
| createInfo.pAttachments = attachmentDescs.data(); |
| createInfo.subpassCount = 1; |
| createInfo.pSubpasses = &subpassDesc; |
| createInfo.dependencyCount = 0; |
| createInfo.pDependencies = nullptr; |
| |
| // Create the render pass from the zillion parameters |
| VkRenderPass renderPass; |
| DAWN_TRY(CheckVkSuccess(mDevice->fn.CreateRenderPass(mDevice->GetVkDevice(), &createInfo, |
| nullptr, &*renderPass), |
| "CreateRenderPass")); |
| return renderPass; |
| } |
| |
| // RenderPassCache |
| |
| size_t RenderPassCache::CacheFuncs::operator()(const RenderPassCacheQuery& query) const { |
| size_t hash = Hash(query.colorMask); |
| |
| HashCombine(&hash, Hash(query.resolveTargetMask)); |
| |
| for (ColorAttachmentIndex i : IterateBitSet(query.colorMask)) { |
| HashCombine(&hash, query.colorFormats[i], query.colorLoadOp[i], query.colorStoreOp[i]); |
| } |
| |
| HashCombine(&hash, query.hasDepthStencil); |
| if (query.hasDepthStencil) { |
| HashCombine(&hash, query.depthStencilFormat, query.depthLoadOp, query.depthStoreOp, |
| query.stencilLoadOp, query.stencilStoreOp, query.readOnlyDepthStencil); |
| } |
| |
| HashCombine(&hash, query.sampleCount); |
| |
| return hash; |
| } |
| |
| bool RenderPassCache::CacheFuncs::operator()(const RenderPassCacheQuery& a, |
| const RenderPassCacheQuery& b) const { |
| if (a.colorMask != b.colorMask) { |
| return false; |
| } |
| |
| if (a.resolveTargetMask != b.resolveTargetMask) { |
| return false; |
| } |
| |
| if (a.sampleCount != b.sampleCount) { |
| return false; |
| } |
| |
| for (ColorAttachmentIndex i : IterateBitSet(a.colorMask)) { |
| if ((a.colorFormats[i] != b.colorFormats[i]) || |
| (a.colorLoadOp[i] != b.colorLoadOp[i]) || |
| (a.colorStoreOp[i] != b.colorStoreOp[i])) { |
| return false; |
| } |
| } |
| |
| if (a.hasDepthStencil != b.hasDepthStencil) { |
| return false; |
| } |
| |
| if (a.hasDepthStencil) { |
| if ((a.depthStencilFormat != b.depthStencilFormat) || |
| (a.depthLoadOp != b.depthLoadOp) || (a.stencilLoadOp != b.stencilLoadOp) || |
| (a.depthStoreOp != b.depthStoreOp) || (a.stencilStoreOp != b.stencilStoreOp) || |
| (a.readOnlyDepthStencil != b.readOnlyDepthStencil)) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } // namespace dawn::native::vulkan |