66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
|
|
* Copyright 2021 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_BackendTexture_DEFINED
|
|
#define skgpu_graphite_BackendTexture_DEFINED
|
|
|
|
#include "include/core/SkSize.h"
|
|
#include "include/gpu/graphite/TextureInfo.h"
|
|
#include "include/private/base/SkAPI.h"
|
|
#include "include/private/base/SkAnySubclass.h"
|
|
|
|
#include <cstddef>
|
|
|
|
namespace skgpu { enum class BackendApi : unsigned int; }
|
|
|
|
namespace skgpu::graphite {
|
|
|
|
class BackendTextureData;
|
|
|
|
class SK_API BackendTexture {
|
|
public:
|
|
BackendTexture();
|
|
BackendTexture(const BackendTexture&);
|
|
|
|
~BackendTexture();
|
|
|
|
BackendTexture& operator=(const BackendTexture&);
|
|
|
|
bool operator==(const BackendTexture&) const;
|
|
bool operator!=(const BackendTexture& that) const { return !(*this == that); }
|
|
|
|
bool isValid() const { return fInfo.isValid(); }
|
|
BackendApi backend() const { return fInfo.backend(); }
|
|
|
|
SkISize dimensions() const { return fDimensions; }
|
|
|
|
const TextureInfo& info() const { return fInfo; }
|
|
|
|
private:
|
|
friend class BackendTextureData;
|
|
friend class BackendTexturePriv;
|
|
|
|
// Size determined by looking at the BackendTextureData subclasses, then guessing-and-checking.
|
|
// Compiler will complain if this is too small - in that case, just increase the number.
|
|
inline constexpr static size_t kMaxSubclassSize = 72;
|
|
using AnyBackendTextureData = SkAnySubclass<BackendTextureData, kMaxSubclassSize>;
|
|
|
|
template <typename SomeBackendTextureData>
|
|
BackendTexture(SkISize dimensions, TextureInfo info, const SomeBackendTextureData& textureData)
|
|
: fDimensions(dimensions), fInfo(info) {
|
|
fTextureData.emplace<SomeBackendTextureData>(textureData);
|
|
}
|
|
|
|
SkISize fDimensions;
|
|
TextureInfo fInfo;
|
|
AnyBackendTextureData fTextureData;
|
|
};
|
|
|
|
} // namespace skgpu::graphite
|
|
|
|
#endif // skgpu_graphite_BackendTexture_DEFINED
|