1 | /* |
2 | * Copyright (C) 2018 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #include "config.h" |
27 | #include "GPUCanvasContext.h" |
28 | #include "InspectorInstrumentation.h" |
29 | #include "Logging.h" |
30 | #include "WebGPUSwapChainDescriptor.h" |
31 | |
32 | #if ENABLE(WEBGPU) |
33 | |
34 | #include <wtf/IsoMallocInlines.h> |
35 | |
36 | namespace WebCore { |
37 | |
38 | WTF_MAKE_ISO_ALLOCATED_IMPL(GPUCanvasContext); |
39 | |
40 | std::unique_ptr<GPUCanvasContext> GPUCanvasContext::create(CanvasBase& canvas) |
41 | { |
42 | auto context = std::unique_ptr<GPUCanvasContext>(new GPUCanvasContext(canvas)); |
43 | context->suspendIfNeeded(); |
44 | |
45 | InspectorInstrumentation::didCreateCanvasRenderingContext(*context); |
46 | |
47 | return context; |
48 | } |
49 | |
50 | GPUCanvasContext::GPUCanvasContext(CanvasBase& canvas) |
51 | : GPUBasedCanvasRenderingContext(canvas) |
52 | { |
53 | } |
54 | |
55 | Ref<WebGPUSwapChain> GPUCanvasContext::configureSwapChain(const WebGPUSwapChainDescriptor& descriptor) |
56 | { |
57 | auto gpuDescriptor = descriptor.asGPUSwapChainDescriptor(); |
58 | if (!gpuDescriptor) |
59 | return WebGPUSwapChain::create(nullptr); |
60 | |
61 | auto gpuSwapChain = GPUSwapChain::tryCreate(*gpuDescriptor, canvasBase().width(), canvasBase().height()); |
62 | bool success = gpuSwapChain; |
63 | auto newSwapChain = WebGPUSwapChain::create(WTFMove(gpuSwapChain)); |
64 | |
65 | // Upon success, invalidate and replace any existing swap chain. |
66 | if (success) { |
67 | // FIXME: Test that this works as expected with error reporting. |
68 | if (m_swapChain) |
69 | m_swapChain->destroy(); |
70 | |
71 | m_swapChain = newSwapChain.copyRef(); |
72 | } |
73 | |
74 | return newSwapChain; |
75 | } |
76 | |
77 | CALayer* GPUCanvasContext::platformLayer() const |
78 | { |
79 | if (m_swapChain && m_swapChain->swapChain()) |
80 | return m_swapChain->swapChain()->platformLayer(); |
81 | return nullptr; |
82 | } |
83 | |
84 | void GPUCanvasContext::reshape(int width, int height) |
85 | { |
86 | if (m_swapChain && m_swapChain->swapChain()) |
87 | m_swapChain->swapChain()->reshape(width, height); |
88 | } |
89 | |
90 | void GPUCanvasContext::markLayerComposited() |
91 | { |
92 | if (m_swapChain && m_swapChain->swapChain()) |
93 | m_swapChain->swapChain()->present(); |
94 | } |
95 | |
96 | } // namespace WebCore |
97 | |
98 | #endif // ENABLE(WEBGPU) |
99 | |