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/*
* 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_TextureInfo_DEFINED
#define skgpu_graphite_TextureInfo_DEFINED
#include "include/core/SkString.h"
#include "include/core/SkTextureCompressionType.h"
#include "include/gpu/graphite/GraphiteTypes.h"
#include "include/private/base/SkAPI.h"
#include "include/private/base/SkAnySubclass.h"
struct SkISize;
namespace skgpu::graphite {
class TextureInfoData;
class SK_API TextureInfo {
public:
TextureInfo();
~TextureInfo();
TextureInfo(const TextureInfo&);
TextureInfo& operator=(const TextureInfo&);
bool operator==(const TextureInfo&) const;
bool operator!=(const TextureInfo& that) const { return !(*this == that); }
bool isValid() const { return fValid; }
BackendApi backend() const { return fBackend; }
uint32_t numSamples() const { return fSampleCount; }
Mipmapped mipmapped() const { return fMipmapped; }
Protected isProtected() const { return fProtected; }
SkTextureCompressionType compressionType() const;
bool isMemoryless() const;
bool isCompatible(const TextureInfo& that) const;
// Return a string containing the full description of this TextureInfo.
SkString toString() const;
// Return a string containing only the info relevant for its use as a RenderPass attachment.
SkString toRPAttachmentString() const;
private:
friend class TextureInfoData;
friend class TextureInfoPriv;
// Size determined by looking at the TextureInfoData 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 = 112;
using AnyTextureInfoData = SkAnySubclass<TextureInfoData, kMaxSubclassSize>;
template <typename SomeTextureInfoData>
TextureInfo(BackendApi backend,
uint32_t sampleCount,
skgpu::Mipmapped mipped,
skgpu::Protected isProtected,
const SomeTextureInfoData& textureInfoData)
: fBackend(backend)
, fValid(true)
, fSampleCount(sampleCount)
, fMipmapped(mipped)
, fProtected(isProtected) {
fTextureInfoData.emplace<SomeTextureInfoData>(textureInfoData);
}
friend size_t ComputeSize(SkISize dimensions, const TextureInfo&); // for bytesPerPixel
size_t bytesPerPixel() const;
BackendApi fBackend = BackendApi::kMock;
bool fValid = false;
uint32_t fSampleCount = 1;
Mipmapped fMipmapped = Mipmapped::kNo;
Protected fProtected = Protected::kNo;
AnyTextureInfoData fTextureInfoData;
};
} // namespace skgpu::graphite
#endif //skgpu_graphite_TextureInfo_DEFINED
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