mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-06-22 06:23:33 +00:00
60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/vulkan/SwapChainVk.h"
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#include "dawn_native/vulkan/DeviceVk.h"
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#include "dawn_native/vulkan/TextureVk.h"
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namespace backend { namespace vulkan {
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SwapChain::SwapChain(SwapChainBuilder* builder) : SwapChainBase(builder) {
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const auto& im = GetImplementation();
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dawnWSIContextVulkan wsiContext = {};
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im.Init(im.userData, &wsiContext);
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ASSERT(im.textureUsage != DAWN_TEXTURE_USAGE_BIT_NONE);
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mTextureUsage = static_cast<dawn::TextureUsageBit>(im.textureUsage);
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}
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SwapChain::~SwapChain() {
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}
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TextureBase* SwapChain::GetNextTextureImpl(TextureBuilder* builder) {
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const auto& im = GetImplementation();
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dawnSwapChainNextTexture next = {};
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dawnSwapChainError error = im.GetNextTexture(im.userData, &next);
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if (error) {
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GetDevice()->HandleError(error);
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return nullptr;
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}
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VkImage nativeTexture = VkImage::CreateFromHandle(next.texture.u64);
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return new Texture(builder, nativeTexture);
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}
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void SwapChain::OnBeforePresent(TextureBase* texture) {
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Device* device = ToBackend(GetDevice());
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// Perform the necessary pipeline barriers for the texture to be used with the usage
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// requested by the implementation.
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VkCommandBuffer commands = device->GetPendingCommandBuffer();
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ToBackend(texture)->TransitionUsageNow(commands, mTextureUsage);
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device->SubmitPendingCommands();
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}
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}} // namespace backend::vulkan
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