| /* |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "GPUCanvasContext.h" |
| #include "InspectorInstrumentation.h" |
| #include "Logging.h" |
| #include "WebGPUSwapChainDescriptor.h" |
| |
| #if ENABLE(WEBGPU) |
| |
| #include <wtf/IsoMallocInlines.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(GPUCanvasContext); |
| |
| std::unique_ptr<GPUCanvasContext> GPUCanvasContext::create(CanvasBase& canvas) |
| { |
| auto context = std::unique_ptr<GPUCanvasContext>(new GPUCanvasContext(canvas)); |
| context->suspendIfNeeded(); |
| |
| InspectorInstrumentation::didCreateCanvasRenderingContext(*context); |
| |
| return context; |
| } |
| |
| GPUCanvasContext::GPUCanvasContext(CanvasBase& canvas) |
| : GPUBasedCanvasRenderingContext(canvas) |
| { |
| } |
| |
| Ref<WebGPUSwapChain> GPUCanvasContext::configureSwapChain(const WebGPUSwapChainDescriptor& descriptor) |
| { |
| auto gpuDescriptor = descriptor.asGPUSwapChainDescriptor(); |
| if (!gpuDescriptor) |
| return WebGPUSwapChain::create(nullptr); |
| |
| auto gpuSwapChain = GPUSwapChain::tryCreate(*gpuDescriptor, canvasBase().width(), canvasBase().height()); |
| bool success = gpuSwapChain; |
| auto newSwapChain = WebGPUSwapChain::create(WTFMove(gpuSwapChain)); |
| |
| // Upon success, invalidate and replace any existing swap chain. |
| if (success) { |
| // FIXME: Test that this works as expected with error reporting. |
| if (m_swapChain) |
| m_swapChain->destroy(); |
| |
| m_swapChain = newSwapChain.copyRef(); |
| } |
| |
| return newSwapChain; |
| } |
| |
| CALayer* GPUCanvasContext::platformLayer() const |
| { |
| if (m_swapChain && m_swapChain->swapChain()) |
| return m_swapChain->swapChain()->platformLayer(); |
| return nullptr; |
| } |
| |
| void GPUCanvasContext::reshape(int width, int height) |
| { |
| if (m_swapChain && m_swapChain->swapChain()) |
| m_swapChain->swapChain()->reshape(width, height); |
| } |
| |
| void GPUCanvasContext::markLayerComposited() |
| { |
| if (m_swapChain && m_swapChain->swapChain()) |
| m_swapChain->swapChain()->present(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |