DawnTexture.h

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/*
 * Copyright 2022 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef skgpu_graphite_DawnTexture_DEFINED
#define skgpu_graphite_DawnTexture_DEFINED
 
#include "include/core/SkRefCnt.h"
#include "src/gpu/graphite/Texture.h"
 
#include "webgpu/webgpu_cpp.h"  // NO_G3_REWRITE
 
namespace skgpu::graphite {
class DawnSharedContext;
 
class DawnTexture : public Texture {
public:
    static wgpu::Texture MakeDawnTexture(const DawnSharedContext*,
                                         SkISize dimensions,
                                         const TextureInfo&);
 
    static sk_sp<Texture> Make(const DawnSharedContext*,
                               SkISize dimensions,
                               const TextureInfo&,
                               skgpu::Budgeted);
 
    static sk_sp<Texture> MakeWrapped(const DawnSharedContext*,
                                      SkISize dimensions,
                                      const TextureInfo&,
                                      wgpu::Texture);
 
    static sk_sp<Texture> MakeWrapped(const DawnSharedContext*,
                                      SkISize dimensions,
                                      const TextureInfo&,
                                      const wgpu::TextureView&);
 
    ~DawnTexture() override {}
 
    const wgpu::Texture& dawnTexture() const { return fTexture; }
    const wgpu::TextureView& sampleTextureView() const { return fSampleTextureView; }
    const wgpu::TextureView& renderTextureView() const { return fRenderTextureView; }
 
private:
    DawnTexture(const DawnSharedContext*,
                SkISize dimensions,
                const TextureInfo&,
                wgpu::Texture,
                wgpu::TextureView sampleTextureView,
                wgpu::TextureView renderTextureView,
                Ownership,
                skgpu::Budgeted);
 
    void freeGpuData() override;
 
    static std::pair<wgpu::TextureView, wgpu::TextureView> CreateTextureViews(
            const wgpu::Texture& texture, const TextureInfo& info);
 
    void setBackendLabel(char const* label) override;
 
    wgpu::Texture     fTexture;
    wgpu::TextureView fSampleTextureView;
    wgpu::TextureView fRenderTextureView;
};
 
}  // namespace skgpu::graphite
 
#endif // skgpu_graphite_DawnTexture_DEFINED