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#pragma once
27
28#if ENABLE(WEBGPU)
29
30#include "GPUBindGroupBinding.h"
31#include "GPUCommandBuffer.h"
32#include <wtf/RefCounted.h>
33
34#if USE(METAL)
35OBJC_PROTOCOL(MTLBuffer);
36OBJC_PROTOCOL(MTLCommandEncoder);
37OBJC_PROTOCOL(MTLResource);
38#endif
39
40namespace WebCore {
41
42class GPUBindGroup;
43class GPURenderPipeline;
44
45using PlatformProgrammablePassEncoder = MTLCommandEncoder;
46
47class GPUProgrammablePassEncoder : public RefCounted<GPUProgrammablePassEncoder> {
48public:
49 virtual ~GPUProgrammablePassEncoder() = default;
50
51 void endPass();
52 void setBindGroup(unsigned, GPUBindGroup&);
53
54protected:
55 GPUProgrammablePassEncoder(Ref<GPUCommandBuffer>&&);
56
57 GPUCommandBuffer& commandBuffer() const { return m_commandBuffer.get(); }
58 virtual const PlatformProgrammablePassEncoder* platformPassEncoder() const = 0;
59
60private:
61 virtual void invalidateEncoder() = 0;
62#if USE(METAL)
63 virtual void useResource(const MTLResource *, unsigned) = 0;
64
65 // Render command encoder methods.
66 virtual void setVertexBuffer(const MTLBuffer *, unsigned, unsigned) { }
67 virtual void setFragmentBuffer(const MTLBuffer *, unsigned, unsigned) { }
68 // Compute.
69 virtual void setComputeBuffer(const MTLBuffer *, unsigned, unsigned) { }
70#endif // USE(METAL)
71
72 Ref<GPUCommandBuffer> m_commandBuffer;
73};
74
75} // namespace WebCore
76
77#endif // ENABLE(WEBGPU)
78