blob: 570760d15a40c0571e22d68aef124cc827bdde60 [file] [log] [blame]
// 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/SwapChainVk.h"
#include "dawn_native/vulkan/DeviceVk.h"
#include "dawn_native/vulkan/TextureVk.h"
namespace dawn_native { namespace vulkan {
SwapChain::SwapChain(Device* device, const SwapChainDescriptor* descriptor)
: SwapChainBase(device, descriptor) {
const auto& im = GetImplementation();
DawnWSIContextVulkan wsiContext = {};
im.Init(im.userData, &wsiContext);
ASSERT(im.textureUsage != DAWN_TEXTURE_USAGE_NONE);
mTextureUsage = static_cast<dawn::TextureUsage>(im.textureUsage);
}
SwapChain::~SwapChain() {
}
TextureBase* SwapChain::GetNextTextureImpl(const TextureDescriptor* descriptor) {
const auto& im = GetImplementation();
DawnSwapChainNextTexture next = {};
DawnSwapChainError error = im.GetNextTexture(im.userData, &next);
if (error) {
GetDevice()->HandleError(dawn::ErrorType::Unknown, error);
return nullptr;
}
VkImage nativeTexture = VkImage::CreateFromU64(next.texture.u64);
return new Texture(ToBackend(GetDevice()), descriptor, nativeTexture);
}
void SwapChain::OnBeforePresent(TextureBase* texture) {
Device* device = ToBackend(GetDevice());
// Perform the necessary pipeline barriers for the texture to be used with the usage
// requested by the implementation.
CommandRecordingContext* recordingContext = device->GetPendingRecordingContext();
ToBackend(texture)->TransitionUsageNow(recordingContext, mTextureUsage);
device->SubmitPendingCommands();
}
}} // namespace dawn_native::vulkan