54 lines
1.9 KiB
Plaintext
54 lines
1.9 KiB
Plaintext
// Copyright 2017 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/metal/SwapChainMTL.h"
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#include "dawn_native/metal/DeviceMTL.h"
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#include "dawn_native/metal/TextureMTL.h"
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#include <dawn/dawn_wsi.h>
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namespace dawn_native { namespace metal {
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SwapChain::SwapChain(Device* device, const SwapChainDescriptor* descriptor)
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: SwapChainBase(device, descriptor) {
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const auto& im = GetImplementation();
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DawnWSIContextMetal wsiContext = {};
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wsiContext.device = ToBackend(GetDevice())->GetMTLDevice();
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wsiContext.queue = ToBackend(GetDevice())->GetMTLQueue();
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im.Init(im.userData, &wsiContext);
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}
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SwapChain::~SwapChain() {
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}
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TextureBase* SwapChain::GetNextTextureImpl(const TextureDescriptor* descriptor) {
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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(wgpu::ErrorType::Unknown, error);
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return nullptr;
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}
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id<MTLTexture> nativeTexture = reinterpret_cast<id<MTLTexture>>(next.texture.ptr);
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return new Texture(ToBackend(GetDevice()), descriptor, nativeTexture);
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}
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MaybeError SwapChain::OnBeforePresent(TextureBase*) {
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return {};
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}
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}} // namespace dawn_native::metal
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