1 | /* |
2 | * Copyright (C) 2019 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 "WebGPURenderPassDescriptor.h" |
28 | |
29 | #if ENABLE(WEBGPU) |
30 | |
31 | #include "GPURenderPassDescriptor.h" |
32 | #include "Logging.h" |
33 | |
34 | namespace WebCore { |
35 | |
36 | GPURenderPassColorAttachmentDescriptor::GPURenderPassColorAttachmentDescriptor(Ref<GPUTexture>&& texture, const GPURenderPassColorAttachmentDescriptorBase& base) |
37 | : GPURenderPassColorAttachmentDescriptorBase(base) |
38 | , attachment(WTFMove(texture)) |
39 | { |
40 | } |
41 | |
42 | GPURenderPassDepthStencilAttachmentDescriptor::GPURenderPassDepthStencilAttachmentDescriptor(Ref<GPUTexture>&& texture, const GPURenderPassDepthStencilAttachmentDescriptorBase& base) |
43 | : GPURenderPassDepthStencilAttachmentDescriptorBase(base) |
44 | , attachment(WTFMove(texture)) |
45 | { |
46 | } |
47 | |
48 | Optional<GPURenderPassDescriptor> WebGPURenderPassDescriptor::tryCreateGPURenderPassDescriptor() const |
49 | { |
50 | // FIXME: Improve error checking as WebGPURenderPassDescriptor is added to spec. |
51 | if (colorAttachments.isEmpty()) { |
52 | LOG(WebGPU, "GPURenderPassDescriptor: No color attachments specified for GPURenderPassDescriptor!" ); |
53 | return WTF::nullopt; |
54 | } |
55 | |
56 | Vector<GPURenderPassColorAttachmentDescriptor> gpuColorAttachments; |
57 | |
58 | for (const auto& colorAttachment : colorAttachments) { |
59 | if (!colorAttachment.attachment |
60 | || !colorAttachment.attachment->texture() |
61 | || !colorAttachment.attachment->texture()->isOutputAttachment()) { |
62 | LOG(WebGPU, "GPURenderPassDescriptor: Invalid attachment in GPURenderPassColorAttachmentDescriptor!" ); |
63 | return WTF::nullopt; |
64 | } |
65 | gpuColorAttachments.append(GPURenderPassColorAttachmentDescriptor { makeRef(*colorAttachment.attachment->texture()), colorAttachment }); |
66 | } |
67 | |
68 | Optional<GPURenderPassDepthStencilAttachmentDescriptor> gpuDepthAttachment; |
69 | |
70 | if (depthStencilAttachment) { |
71 | if (!depthStencilAttachment->attachment |
72 | || !depthStencilAttachment->attachment->texture() |
73 | || !depthStencilAttachment->attachment->texture()->isOutputAttachment()) { |
74 | LOG(WebGPU, "GPURenderPassDescriptor: Invalid attachment in GPURenderPassDepthStencilAttachmentDescriptor!" ); |
75 | return WTF::nullopt; |
76 | } |
77 | gpuDepthAttachment = GPURenderPassDepthStencilAttachmentDescriptor { makeRef(*depthStencilAttachment->attachment->texture()), *depthStencilAttachment }; |
78 | } |
79 | |
80 | return GPURenderPassDescriptor { WTFMove(gpuColorAttachments), WTFMove(gpuDepthAttachment) }; |
81 | } |
82 | |
83 | } // namespace WebCore |
84 | |
85 | #endif // ENABLE(WEBGPU) |
86 | |