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// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_METAL_TEXTUREMTL_H_
#define DAWNNATIVE_METAL_TEXTUREMTL_H_
#include "dawn_native/Texture.h"
#include "common/NSRef.h"
#include "dawn_native/DawnNative.h"
#include <IOSurface/IOSurfaceRef.h>
#import <Metal/Metal.h>
namespace dawn_native { namespace metal {
class Device;
MTLPixelFormat MetalPixelFormat(wgpu::TextureFormat format);
MaybeError ValidateIOSurfaceCanBeWrapped(const DeviceBase* device,
const TextureDescriptor* descriptor,
IOSurfaceRef ioSurface,
uint32_t plane);
class Texture final : public TextureBase {
public:
static ResultOrError<Ref<Texture>> Create(Device* device,
const TextureDescriptor* descriptor);
Texture(Device* device,
const TextureDescriptor* descriptor,
NSPRef<id<MTLTexture>> mtlTexture);
Texture(Device* device,
const ExternalImageDescriptor* descriptor,
IOSurfaceRef ioSurface,
uint32_t plane);
id<MTLTexture> GetMTLTexture();
void EnsureSubresourceContentInitialized(const SubresourceRange& range);
private:
Texture(Device* device, const TextureDescriptor* descriptor);
~Texture() override;
void DestroyImpl() override;
MaybeError ClearTexture(const SubresourceRange& range, TextureBase::ClearValue clearValue);
NSPRef<id<MTLTexture>> mMtlTexture;
};
class TextureView final : public TextureViewBase {
public:
static ResultOrError<Ref<TextureView>> Create(TextureBase* texture,
const TextureViewDescriptor* descriptor);
id<MTLTexture> GetMTLTexture();
private:
TextureView(TextureBase* texture, const TextureViewDescriptor* descriptor);
NSPRef<id<MTLTexture>> mMtlTextureView;
};
}} // namespace dawn_native::metal
#endif // DAWNNATIVE_METAL_TEXTUREMTL_H_