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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrVkImage_DEFINED
#define GrVkImage_DEFINED
#include "GrVkResource.h"
#include "GrTypesPriv.h"
#include "SkTypes.h"
#include "vk/GrVkDefines.h"
#include "vk/GrVkTypes.h"
class GrVkGpu;
class GrVkImage : SkNoncopyable {
private:
class Resource;
public:
enum Wrapped {
kNot_Wrapped,
kAdopted_Wrapped,
kBorrowed_Wrapped,
};
GrVkImage(const GrVkImageInfo& info, Wrapped wrapped)
: fInfo(info)
, fIsBorrowed(kBorrowed_Wrapped == wrapped) {
if (kBorrowed_Wrapped == wrapped) {
fResource = new BorrowedResource(info.fImage, info.fAlloc);
} else {
fResource = new Resource(info.fImage, info.fAlloc);
}
}
virtual ~GrVkImage();
VkImage image() const { return fInfo.fImage; }
VkDeviceMemory memory() const { return fInfo.fAlloc; }
VkFormat imageFormat() const { return fInfo.fFormat; }
const Resource* resource() const { return fResource; }
bool isLinearTiled() const {
return SkToBool(VK_IMAGE_TILING_LINEAR == fInfo.fImageTiling);
}
VkImageLayout currentLayout() const { return fInfo.fImageLayout; }
void setImageLayout(const GrVkGpu* gpu,
VkImageLayout newLayout,
VkAccessFlags dstAccessMask,
VkPipelineStageFlags dstStageMask,
bool byRegion);
struct ImageDesc {
VkImageType fImageType;
VkFormat fFormat;
uint32_t fWidth;
uint32_t fHeight;
uint32_t fLevels;
uint32_t fSamples;
VkImageTiling fImageTiling;
VkImageUsageFlags fUsageFlags;
VkFlags fMemProps;
ImageDesc()
: fImageType(VK_IMAGE_TYPE_2D)
, fFormat(VK_FORMAT_UNDEFINED)
, fWidth(0)
, fHeight(0)
, fLevels(1)
, fSamples(1)
, fImageTiling(VK_IMAGE_TILING_OPTIMAL)
, fUsageFlags(0)
, fMemProps(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) {}
};
static bool InitImageInfo(const GrVkGpu* gpu, const ImageDesc& imageDesc, GrVkImageInfo*);
// Destroys the internal VkImage and VkDeviceMemory in the GrVkImageInfo
static void DestroyImageInfo(const GrVkGpu* gpu, GrVkImageInfo*);
protected:
void releaseImage(const GrVkGpu* gpu);
void abandonImage();
void setNewResource(VkImage image, VkDeviceMemory alloc);
GrVkImageInfo fInfo;
bool fIsBorrowed;
private:
// unlike GrVkBuffer, this needs to be public so GrVkStencilAttachment can use it
class Resource : public GrVkResource {
public:
Resource()
: INHERITED()
, fImage(VK_NULL_HANDLE)
, fAlloc(VK_NULL_HANDLE) {
}
Resource(VkImage image, VkDeviceMemory alloc) : fImage(image), fAlloc(alloc) {}
~Resource() override {}
private:
void freeGPUData(const GrVkGpu* gpu) const override;
VkImage fImage;
VkDeviceMemory fAlloc;
typedef GrVkResource INHERITED;
};
// for wrapped textures
class BorrowedResource : public Resource {
public:
BorrowedResource(VkImage image, VkDeviceMemory alloc) : Resource(image, alloc) {
}
private:
void freeGPUData(const GrVkGpu* gpu) const override;
};
const Resource* fResource;
friend class GrVkRenderTarget;
};
#endif
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