1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* Copyright (c) 2021-2023 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. ``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
* 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.
*/
#pragma once
#import "PresentationContext.h"
#import <wtf/MachSendRight.h>
#import <wtf/TZoneMalloc.h>
#import <wtf/Vector.h>
#import <wtf/spi/cocoa/IOSurfaceSPI.h>
namespace WebGPU {
class Device;
class Instance;
class PresentationContextIOSurface : public PresentationContext {
WTF_MAKE_TZONE_ALLOCATED(PresentationContextIOSurface);
public:
static Ref<PresentationContextIOSurface> create(const WGPUSurfaceDescriptor&, const Instance&);
virtual ~PresentationContextIOSurface();
void configure(Device&, const WGPUSwapChainDescriptor&) override;
void unconfigure() override;
void present(uint32_t) override;
Texture* getCurrentTexture(uint32_t) override;
TextureView* getCurrentTextureView() override;
bool isPresentationContextIOSurface() const override { return true; }
bool isValid() override { return true; }
private:
PresentationContextIOSurface(const WGPUSurfaceDescriptor&, const Instance&);
void renderBuffersWereRecreated(NSArray<IOSurface *> *renderBuffers);
void onSubmittedWorkScheduled(Function<void()>&&);
RetainPtr<CGImageRef> getTextureAsNativeImage(uint32_t bufferIndex, bool& isIOSurfaceSupportedFormat) final;
void copyTextureToTexture(id<MTLTexture> destination, id<MTLTexture> source, id<MTLCommandBuffer>);
id<MTLComputePipelineState> resizeComputePipelineState();
NSArray<IOSurface *> *m_ioSurfaces { nil };
struct RenderBuffer {
Ref<Texture> texture;
RefPtr<Texture> luminanceClampTexture;
};
Vector<RenderBuffer> m_renderBuffers;
Vector<RenderBuffer> m_existingRenderBuffers;
RefPtr<Device> m_device;
RefPtr<Texture> m_invalidTexture;
id<MTLFunction> m_luminanceClampFunction;
id<MTLComputePipelineState> m_computePipelineState;
id<MTLComputePipelineState> m_resizeComputePipelineState;
#if HAVE(IOSURFACE_SET_OWNERSHIP_IDENTITY) && HAVE(TASK_IDENTITY_TOKEN)
std::optional<const MachSendRight> m_webProcessID;
#endif
WGPUColorSpace m_colorSpace { WGPUColorSpace::SRGB };
WGPUToneMappingMode m_toneMappingMode { WGPUToneMappingMode_Standard };
WGPUCompositeAlphaMode m_alphaMode { WGPUCompositeAlphaMode_Premultiplied };
};
} // namespace WebGPU
SPECIALIZE_TYPE_TRAITS_WEBGPU_PRESENTATION_CONTEXT(PresentationContextIOSurface, isPresentationContextIOSurface());
|
