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/*
* Copyright (c) 2021-2022 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 "BindableResource.h"
#import <wtf/FastMalloc.h>
#import <wtf/Ref.h>
#import <wtf/RefCountedAndCanMakeWeakPtr.h>
#import <wtf/RetainReleaseSwift.h>
#import <wtf/TZoneMalloc.h>
#import <wtf/WeakHashSet.h>
#import <wtf/WeakPtr.h>
// FIXME(rdar://155970441): this annotation should be in WebGPU.h, move it once we support
// annotating incomplete types
struct SWIFT_SHARED_REFERENCE(wgpuTextureViewReference, wgpuTextureViewRelease) WGPUTextureViewImpl {
};
namespace WebGPU {
class CommandEncoder;
class Device;
class Texture;
// https://gpuweb.github.io/gpuweb/#gputextureview
class TextureView : public RefCountedAndCanMakeWeakPtr<TextureView>, public WGPUTextureViewImpl, public TrackedResource {
WTF_MAKE_TZONE_ALLOCATED(TextureView);
public:
static Ref<TextureView> create(id<MTLTexture> texture, const WGPUTextureViewDescriptor& descriptor, const std::optional<WGPUExtent3D>& renderExtent, Texture& parentTexture, Device& device)
{
return adoptRef(*new TextureView(texture, descriptor, renderExtent, parentTexture, device));
}
static Ref<TextureView> createInvalid(Texture& texture, Device& device)
{
return adoptRef(*new TextureView(texture, device));
}
~TextureView();
void setLabel(String&&);
bool isValid() const;
id<MTLTexture> texture() const;
id<MTLTexture> parentTexture() const;
const WGPUTextureViewDescriptor& descriptor() const { return m_descriptor; }
const std::optional<WGPUExtent3D>& renderExtent() const { return m_renderExtent; }
Device& device() const { return m_device; }
bool previouslyCleared() const;
void setPreviouslyCleared(uint32_t mipLevel = 0, uint32_t slice = 0);
uint32_t width() const;
uint32_t height() const;
uint32_t depthOrArrayLayers() const;
WGPUTextureUsageFlags usage() const;
uint32_t sampleCount() const;
WGPUTextureFormat parentFormat() const;
WGPUTextureFormat format() const;
uint32_t parentMipLevelCount() const;
uint32_t mipLevelCount() const;
uint32_t baseMipLevel() const;
WGPUTextureAspect aspect() const;
uint32_t arrayLayerCount() const;
uint32_t baseArrayLayer() const;
WGPUTextureViewDimension dimension() const;
bool isDestroyed() const;
void destroy();
void setCommandEncoder(CommandEncoder&) const;
const Texture& apiParentTexture() const { return m_parentTexture; }
Texture& apiParentTexture() { return m_parentTexture; }
uint32_t parentRelativeSlice() const;
uint32_t parentRelativeMipLevel() const;
bool is2DTexture() const { return dimension() == WGPUTextureViewDimension_2D; }
bool is2DArrayTexture() const { return dimension() == WGPUTextureViewDimension_2DArray; }
bool is3DTexture() const { return dimension() == WGPUTextureViewDimension_3D; }
id<MTLRasterizationRateMap> rasterizationMapForSlice(uint32_t slice) const;
private:
TextureView(id<MTLTexture>, const WGPUTextureViewDescriptor&, const std::optional<WGPUExtent3D>&, Texture&, Device&);
TextureView(Texture&, Device&);
id<MTLTexture> m_texture { nil };
const WGPUTextureViewDescriptor m_descriptor;
const std::optional<WGPUExtent3D> m_renderExtent;
const Ref<Device> m_device;
const Ref<Texture> m_parentTexture;
} SWIFT_SHARED_REFERENCE(refTextureView, derefTextureView);
} // namespace WebGPU
inline void refTextureView(WebGPU::TextureView* obj)
{
ref(obj);
}
inline void derefTextureView(WebGPU::TextureView* obj)
{
deref(obj);
}
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