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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrBackendSurface_DEFINED
#define GrBackendSurface_DEFINED
#include "GrTypes.h"
#include "gl/GrGLTypes.h"
#include "mock/GrMockTypes.h"
#ifdef SK_VULKAN
#include "vk/GrVkTypes.h"
#endif
class SK_API GrBackendTexture {
public:
// Creates an invalid backend texture.
GrBackendTexture() : fConfig(kUnknown_GrPixelConfig) {}
// GrGLTextureInfo::fFormat is ignored
// Deprecated: Should use version that does not take a GrPixelConfig instead
GrBackendTexture(int width,
int height,
GrPixelConfig config,
const GrGLTextureInfo& glInfo);
// GrGLTextureInfo::fFormat is ignored
// Deprecated: Should use version that does not take a GrPixelConfig instead
GrBackendTexture(int width,
int height,
GrPixelConfig config,
GrMipMapped,
const GrGLTextureInfo& glInfo);
// The GrGLTextureInfo must have a valid fFormat.
GrBackendTexture(int width,
int height,
GrMipMapped,
const GrGLTextureInfo& glInfo);
#ifdef SK_VULKAN
GrBackendTexture(int width,
int height,
const GrVkImageInfo& vkInfo);
#endif
GrBackendTexture(int width,
int height,
GrPixelConfig config,
const GrMockTextureInfo& mockInfo);
GrBackendTexture(int width,
int height,
GrPixelConfig config,
GrMipMapped,
const GrMockTextureInfo& mockInfo);
int width() const { return fWidth; }
int height() const { return fHeight; }
bool hasMipMaps() const { return GrMipMapped::kYes == fMipMapped; }
GrBackend backend() const {return fBackend; }
// If the backend API is GL, this returns a pointer to the GrGLTextureInfo struct. Otherwise
// it returns nullptr.
const GrGLTextureInfo* getGLTextureInfo() const;
#ifdef SK_VULKAN
// If the backend API is Vulkan, this returns a pointer to the GrVkImageInfo struct. Otherwise
// it returns nullptr.
const GrVkImageInfo* getVkImageInfo() const;
#endif
// If the backend API is Mock, this returns a pointer to the GrMockTextureInfo struct. Otherwise
// it returns nullptr.
const GrMockTextureInfo* getMockTextureInfo() const;
// Returns true if the backend texture has been initialized.
bool isValid() const { return fConfig != kUnknown_GrPixelConfig; }
private:
// Friending for access to the GrPixelConfig
friend class SkImage;
friend class SkSurface;
friend class GrGpu;
friend class GrGLGpu;
friend class GrVkGpu;
GrPixelConfig config() const { return fConfig; }
int fWidth; //<! width in pixels
int fHeight; //<! height in pixels
GrPixelConfig fConfig;
GrMipMapped fMipMapped;
GrBackend fBackend;
union {
GrGLTextureInfo fGLInfo;
#ifdef SK_VULKAN
GrVkImageInfo fVkInfo;
#endif
GrMockTextureInfo fMockInfo;
};
};
class SK_API GrBackendRenderTarget {
public:
// Creates an invalid backend texture.
GrBackendRenderTarget() : fConfig(kUnknown_GrPixelConfig) {}
// GrGLTextureInfo::fFormat is ignored
// Deprecated: Should use version that does not take a GrPixelConfig instead
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
int stencilBits,
GrPixelConfig config,
const GrGLFramebufferInfo& glInfo);
// The GrGLTextureInfo must have a valid fFormat.
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
int stencilBits,
const GrGLFramebufferInfo& glInfo);
#ifdef SK_VULKAN
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
int stencilBits,
const GrVkImageInfo& vkInfo);
#endif
int width() const { return fWidth; }
int height() const { return fHeight; }
int sampleCnt() const { return fSampleCnt; }
int stencilBits() const { return fStencilBits; }
GrBackend backend() const {return fBackend; }
// If the backend API is GL, this returns a pointer to the GrGLFramebufferInfo struct. Otherwise
// it returns nullptr.
const GrGLFramebufferInfo* getGLFramebufferInfo() const;
#ifdef SK_VULKAN
// If the backend API is Vulkan, this returns a pointer to the GrVkImageInfo struct. Otherwise
// it returns nullptr
const GrVkImageInfo* getVkImageInfo() const;
#endif
// Returns true if the backend texture has been initialized.
bool isValid() const { return fConfig != kUnknown_GrPixelConfig; }
private:
// Friending for access to the GrPixelConfig
friend class SkSurface;
friend class SkSurface_Gpu;
friend class SkImage_Gpu;
friend class GrGpu;
friend class GrGLGpu;
friend class GrVkGpu;
GrPixelConfig config() const { return fConfig; }
int fWidth; //<! width in pixels
int fHeight; //<! height in pixels
int fSampleCnt;
int fStencilBits;
GrPixelConfig fConfig;
GrBackend fBackend;
union {
GrGLFramebufferInfo fGLInfo;
#ifdef SK_VULKAN
GrVkImageInfo fVkInfo;
#endif
};
};
#endif
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