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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 "include/gpu/GrBackendSurfaceMutableState.h"
#include "include/gpu/GrTypes.h"
#include "include/gpu/gl/GrGLTypes.h"
#include "include/gpu/mock/GrMockTypes.h"
#include "include/gpu/vk/GrVkTypes.h"
#include "include/private/GrGLTypesPriv.h"
#include "include/private/GrVkTypesPriv.h"
#ifdef SK_DAWN
#include "include/gpu/dawn/GrDawnTypes.h"
#endif
class GrBackendSurfaceMutableStateImpl;
class GrVkImageLayout;
class GrGLTextureParameters;
#ifdef SK_DAWN
#include "dawn/webgpu_cpp.h"
#endif
#ifdef SK_METAL
#include "include/gpu/mtl/GrMtlTypes.h"
#endif
#ifdef SK_DIRECT3D
#include "include/gpu/d3d/GrD3DTypesMinimal.h"
#include "include/private/GrD3DTypesPriv.h"
class GrD3DResourceState;
#endif
#if defined(SK_DEBUG) || GR_TEST_UTILS
class SkString;
#endif
#if !SK_SUPPORT_GPU
// SkSurfaceCharacterization always needs a minimal version of this
class SK_API GrBackendFormat {
public:
bool isValid() const { return false; }
};
// SkSurface and SkImage rely on a minimal version of these always being available
class SK_API GrBackendTexture {
public:
GrBackendTexture() {}
bool isValid() const { return false; }
};
class SK_API GrBackendRenderTarget {
public:
GrBackendRenderTarget() {}
bool isValid() const { return false; }
bool isFramebufferOnly() const { return false; }
};
#else
enum class GrGLFormat;
class SK_API GrBackendFormat {
public:
// Creates an invalid backend format.
GrBackendFormat() {}
GrBackendFormat(const GrBackendFormat&);
GrBackendFormat& operator=(const GrBackendFormat&);
static GrBackendFormat MakeGL(GrGLenum format, GrGLenum target) {
return GrBackendFormat(format, target);
}
static GrBackendFormat MakeVk(VkFormat format) {
return GrBackendFormat(format, GrVkYcbcrConversionInfo());
}
static GrBackendFormat MakeVk(const GrVkYcbcrConversionInfo& ycbcrInfo);
#ifdef SK_DAWN
static GrBackendFormat MakeDawn(wgpu::TextureFormat format) {
return GrBackendFormat(format);
}
#endif
#ifdef SK_METAL
static GrBackendFormat MakeMtl(GrMTLPixelFormat format) {
return GrBackendFormat(format);
}
#endif
#ifdef SK_DIRECT3D
static GrBackendFormat MakeDxgi(DXGI_FORMAT format) {
return GrBackendFormat(format);
}
#endif
static GrBackendFormat MakeMock(GrColorType colorType, SkImage::CompressionType compression,
bool isStencilFormat = false);
bool operator==(const GrBackendFormat& that) const;
bool operator!=(const GrBackendFormat& that) const { return !(*this == that); }
GrBackendApi backend() const { return fBackend; }
GrTextureType textureType() const { return fTextureType; }
/**
* Gets the channels present in the format as a bitfield of SkColorChannelFlag values.
* Luminance channels are reported as kGray_SkColorChannelFlag.
*/
uint32_t channelMask() const;
/**
* If the backend API is GL this gets the format as a GrGLFormat. Otherwise, returns
* GrGLFormat::kUnknown.
*/
GrGLFormat asGLFormat() const;
/**
* If the backend API is Vulkan this gets the format as a VkFormat and returns true. Otherwise,
* returns false.
*/
bool asVkFormat(VkFormat*) const;
const GrVkYcbcrConversionInfo* getVkYcbcrConversionInfo() const;
#ifdef SK_DAWN
/**
* If the backend API is Dawn this gets the format as a wgpu::TextureFormat and returns true.
* Otherwise, returns false.
*/
bool asDawnFormat(wgpu::TextureFormat*) const;
#endif
#ifdef SK_METAL
/**
* If the backend API is Metal this gets the format as a GrMtlPixelFormat. Otherwise,
* Otherwise, returns MTLPixelFormatInvalid.
*/
GrMTLPixelFormat asMtlFormat() const;
#endif
#ifdef SK_DIRECT3D
/**
* If the backend API is Direct3D this gets the format as a DXGI_FORMAT and returns true.
* Otherwise, returns false.
*/
bool asDxgiFormat(DXGI_FORMAT*) const;
#endif
/**
* If the backend API is not Mock these three calls will return kUnknown, kNone or false,
* respectively. Otherwise, only one of the following can be true. The GrColorType is not
* kUnknown, the compression type is not kNone, or this is a mock stencil format.
*/
GrColorType asMockColorType() const;
SkImage::CompressionType asMockCompressionType() const;
bool isMockStencilFormat() const;
// If possible, copies the GrBackendFormat and forces the texture type to be Texture2D. If the
// GrBackendFormat was for Vulkan and it originally had a GrVkYcbcrConversionInfo, we will
// remove the conversion and set the format to be VK_FORMAT_R8G8B8A8_UNORM.
GrBackendFormat makeTexture2D() const;
// Returns true if the backend format has been initialized.
bool isValid() const { return fValid; }
#if defined(SK_DEBUG) || GR_TEST_UTILS
SkString toStr() const;
#endif
private:
GrBackendFormat(GrGLenum format, GrGLenum target);
GrBackendFormat(const VkFormat vkFormat, const GrVkYcbcrConversionInfo&);
#ifdef SK_DAWN
GrBackendFormat(wgpu::TextureFormat format);
#endif
#ifdef SK_METAL
GrBackendFormat(const GrMTLPixelFormat mtlFormat);
#endif
#ifdef SK_DIRECT3D
GrBackendFormat(DXGI_FORMAT dxgiFormat);
#endif
GrBackendFormat(GrColorType, SkImage::CompressionType, bool isStencilFormat);
#ifdef SK_DEBUG
bool validateMock() const;
#endif
GrBackendApi fBackend = GrBackendApi::kMock;
bool fValid = false;
union {
GrGLenum fGLFormat; // the sized, internal format of the GL resource
struct {
VkFormat fFormat;
GrVkYcbcrConversionInfo fYcbcrConversionInfo;
} fVk;
#ifdef SK_DAWN
wgpu::TextureFormat fDawnFormat;
#endif
#ifdef SK_METAL
GrMTLPixelFormat fMtlFormat;
#endif
#ifdef SK_DIRECT3D
DXGI_FORMAT fDxgiFormat;
#endif
struct {
GrColorType fColorType;
SkImage::CompressionType fCompressionType;
bool fIsStencilFormat;
} fMock;
};
GrTextureType fTextureType = GrTextureType::kNone;
};
class SK_API GrBackendTexture {
public:
// Creates an invalid backend texture.
GrBackendTexture();
// 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
#ifdef SK_METAL
GrBackendTexture(int width,
int height,
GrMipmapped,
const GrMtlTextureInfo& mtlInfo);
#endif
#ifdef SK_DIRECT3D
GrBackendTexture(int width,
int height,
const GrD3DTextureResourceInfo& d3dInfo);
#endif
#ifdef SK_DAWN
GrBackendTexture(int width,
int height,
const GrDawnTextureInfo& dawnInfo);
#endif
GrBackendTexture(int width,
int height,
GrMipmapped,
const GrMockTextureInfo& mockInfo);
GrBackendTexture(const GrBackendTexture& that);
~GrBackendTexture();
GrBackendTexture& operator=(const GrBackendTexture& that);
SkISize dimensions() const { return {fWidth, fHeight}; }
int width() const { return fWidth; }
int height() const { return fHeight; }
GrMipmapped mipmapped() const { return fMipmapped; }
bool hasMipmaps() const { return fMipmapped == GrMipmapped::kYes; }
/** deprecated alias of hasMipmaps(). */
bool hasMipMaps() const { return this->hasMipmaps(); }
GrBackendApi backend() const {return fBackend; }
// If the backend API is GL, copies a snapshot of the GrGLTextureInfo struct into the passed in
// pointer and returns true. Otherwise returns false if the backend API is not GL.
bool getGLTextureInfo(GrGLTextureInfo*) const;
// Call this to indicate that the texture parameters have been modified in the GL context
// externally to GrContext.
void glTextureParametersModified();
#ifdef SK_DAWN
// If the backend API is Dawn, copies a snapshot of the GrDawnTextureInfo struct into the passed
// in pointer and returns true. Otherwise returns false if the backend API is not Dawn.
bool getDawnTextureInfo(GrDawnTextureInfo*) const;
#endif
// If the backend API is Vulkan, copies a snapshot of the GrVkImageInfo struct into the passed
// in pointer and returns true. This snapshot will set the fImageLayout to the current layout
// state. Otherwise returns false if the backend API is not Vulkan.
bool getVkImageInfo(GrVkImageInfo*) const;
// Anytime the client changes the VkImageLayout of the VkImage captured by this
// GrBackendTexture, they must call this function to notify Skia of the changed layout.
void setVkImageLayout(VkImageLayout);
#ifdef SK_METAL
// If the backend API is Metal, copies a snapshot of the GrMtlTextureInfo struct into the passed
// in pointer and returns true. Otherwise returns false if the backend API is not Metal.
bool getMtlTextureInfo(GrMtlTextureInfo*) const;
#endif
#ifdef SK_DIRECT3D
// If the backend API is Direct3D, copies a snapshot of the GrD3DTextureResourceInfo struct into
// the passed in pointer and returns true. This snapshot will set the fResourceState to the
// current resource state. Otherwise returns false if the backend API is not D3D.
bool getD3DTextureResourceInfo(GrD3DTextureResourceInfo*) const;
// Anytime the client changes the D3D12_RESOURCE_STATES of the D3D12_RESOURCE captured by this
// GrBackendTexture, they must call this function to notify Skia of the changed layout.
void setD3DResourceState(GrD3DResourceStateEnum);
#endif
// Get the GrBackendFormat for this texture (or an invalid format if this is not valid).
GrBackendFormat getBackendFormat() const;
// If the backend API is Mock, copies a snapshot of the GrMockTextureInfo struct into the passed
// in pointer and returns true. Otherwise returns false if the backend API is not Mock.
bool getMockTextureInfo(GrMockTextureInfo*) const;
// If the client changes any of the mutable backend of the GrBackendTexture they should call
// this function to inform Skia that those values have changed. The backend API specific state
// that can be set from this function are:
//
// Vulkan: VkImageLayout and QueueFamilyIndex
void setMutableState(const GrBackendSurfaceMutableState&);
// Returns true if we are working with protected content.
bool isProtected() const;
// Returns true if the backend texture has been initialized.
bool isValid() const { return fIsValid; }
// Returns true if both textures are valid and refer to the same API texture.
bool isSameTexture(const GrBackendTexture&);
#if GR_TEST_UTILS
static bool TestingOnly_Equals(const GrBackendTexture& , const GrBackendTexture&);
#endif
private:
friend class GrVkGpu; // for getMutableState
sk_sp<GrBackendSurfaceMutableStateImpl> getMutableState() const;
#ifdef SK_GL
friend class GrGLTexture;
friend class GrGLGpu; // for getGLTextureParams
GrBackendTexture(int width,
int height,
GrMipmapped,
const GrGLTextureInfo,
sk_sp<GrGLTextureParameters>);
sk_sp<GrGLTextureParameters> getGLTextureParams() const;
#endif
#ifdef SK_VULKAN
friend class GrVkTexture;
GrBackendTexture(int width,
int height,
const GrVkImageInfo& vkInfo,
sk_sp<GrBackendSurfaceMutableStateImpl> mutableState);
#endif
#ifdef SK_DIRECT3D
friend class GrD3DTexture;
friend class GrD3DGpu; // for getGrD3DResourceState
GrBackendTexture(int width,
int height,
const GrD3DTextureResourceInfo& vkInfo,
sk_sp<GrD3DResourceState> state);
sk_sp<GrD3DResourceState> getGrD3DResourceState() const;
#endif
// Free and release and resources being held by the GrBackendTexture.
void cleanup();
bool fIsValid;
int fWidth; //<! width in pixels
int fHeight; //<! height in pixels
GrMipmapped fMipmapped;
GrBackendApi fBackend;
union {
#ifdef SK_GL
GrGLBackendTextureInfo fGLInfo;
#endif
GrVkBackendSurfaceInfo fVkInfo;
GrMockTextureInfo fMockInfo;
#ifdef SK_DIRECT3D
GrD3DBackendSurfaceInfo fD3DInfo;
#endif
};
#ifdef SK_METAL
GrMtlTextureInfo fMtlInfo;
#endif
#ifdef SK_DAWN
GrDawnTextureInfo fDawnInfo;
#endif
sk_sp<GrBackendSurfaceMutableStateImpl> fMutableState;
};
class SK_API GrBackendRenderTarget {
public:
// Creates an invalid backend texture.
GrBackendRenderTarget();
// The GrGLTextureInfo must have a valid fFormat. If wrapping in an SkSurface we require the
// stencil bits to be either 0, 8 or 16.
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
int stencilBits,
const GrGLFramebufferInfo& glInfo);
#ifdef SK_DAWN
// If wrapping in an SkSurface we require the stencil bits to be either 0, 8 or 16.
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
int stencilBits,
const GrDawnRenderTargetInfo& dawnInfo);
#endif
#ifdef SK_VULKAN
/** Deprecated. Sample count is now part of GrVkImageInfo. */
GrBackendRenderTarget(int width, int height, int sampleCnt, const GrVkImageInfo& vkInfo);
GrBackendRenderTarget(int width, int height, const GrVkImageInfo& vkInfo);
#endif
#ifdef SK_METAL
GrBackendRenderTarget(int width,
int height,
const GrMtlTextureInfo& mtlInfo);
/** Deprecated. Sample count is ignored and is instead retrieved from the MtlTexture. */
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
const GrMtlTextureInfo& mtlInfo);
#endif
#ifdef SK_DIRECT3D
GrBackendRenderTarget(int width,
int height,
const GrD3DTextureResourceInfo& d3dInfo);
#endif
GrBackendRenderTarget(int width,
int height,
int sampleCnt,
int stencilBits,
const GrMockRenderTargetInfo& mockInfo);
~GrBackendRenderTarget();
GrBackendRenderTarget(const GrBackendRenderTarget& that);
GrBackendRenderTarget& operator=(const GrBackendRenderTarget&);
SkISize dimensions() const { return {fWidth, fHeight}; }
int width() const { return fWidth; }
int height() const { return fHeight; }
int sampleCnt() const { return fSampleCnt; }
int stencilBits() const { return fStencilBits; }
GrBackendApi backend() const {return fBackend; }
bool isFramebufferOnly() const { return fFramebufferOnly; }
// If the backend API is GL, copies a snapshot of the GrGLFramebufferInfo struct into the passed
// in pointer and returns true. Otherwise returns false if the backend API is not GL.
bool getGLFramebufferInfo(GrGLFramebufferInfo*) const;
#ifdef SK_DAWN
// If the backend API is Dawn, copies a snapshot of the GrDawnRenderTargetInfo struct into the
// passed-in pointer and returns true. Otherwise returns false if the backend API is not Dawn.
bool getDawnRenderTargetInfo(GrDawnRenderTargetInfo*) const;
#endif
// If the backend API is Vulkan, copies a snapshot of the GrVkImageInfo struct into the passed
// in pointer and returns true. This snapshot will set the fImageLayout to the current layout
// state. Otherwise returns false if the backend API is not Vulkan.
bool getVkImageInfo(GrVkImageInfo*) const;
// Anytime the client changes the VkImageLayout of the VkImage captured by this
// GrBackendRenderTarget, they must call this function to notify Skia of the changed layout.
void setVkImageLayout(VkImageLayout);
#ifdef SK_METAL
// If the backend API is Metal, copies a snapshot of the GrMtlTextureInfo struct into the passed
// in pointer and returns true. Otherwise returns false if the backend API is not Metal.
bool getMtlTextureInfo(GrMtlTextureInfo*) const;
#endif
#ifdef SK_DIRECT3D
// If the backend API is Direct3D, copies a snapshot of the GrMtlTextureInfo struct into the
// passed in pointer and returns true. Otherwise returns false if the backend API is not D3D.
bool getD3DTextureResourceInfo(GrD3DTextureResourceInfo*) const;
// Anytime the client changes the D3D12_RESOURCE_STATES of the D3D12_RESOURCE captured by this
// GrBackendTexture, they must call this function to notify Skia of the changed layout.
void setD3DResourceState(GrD3DResourceStateEnum);
#endif
// Get the GrBackendFormat for this render target (or an invalid format if this is not valid).
GrBackendFormat getBackendFormat() const;
// If the backend API is Mock, copies a snapshot of the GrMockTextureInfo struct into the passed
// in pointer and returns true. Otherwise returns false if the backend API is not Mock.
bool getMockRenderTargetInfo(GrMockRenderTargetInfo*) const;
// If the client changes any of the mutable backend of the GrBackendTexture they should call
// this function to inform Skia that those values have changed. The backend API specific state
// that can be set from this function are:
//
// Vulkan: VkImageLayout and QueueFamilyIndex
void setMutableState(const GrBackendSurfaceMutableState&);
// Returns true if we are working with protected content.
bool isProtected() const;
// Returns true if the backend texture has been initialized.
bool isValid() const { return fIsValid; }
#if GR_TEST_UTILS
static bool TestingOnly_Equals(const GrBackendRenderTarget&, const GrBackendRenderTarget&);
#endif
private:
friend class GrVkGpu; // for getMutableState
sk_sp<GrBackendSurfaceMutableStateImpl> getMutableState() const;
#ifdef SK_VULKAN
friend class GrVkRenderTarget;
GrBackendRenderTarget(int width,
int height,
const GrVkImageInfo& vkInfo,
sk_sp<GrBackendSurfaceMutableStateImpl> mutableState);
#endif
#ifdef SK_DIRECT3D
friend class GrD3DGpu;
friend class GrD3DRenderTarget;
GrBackendRenderTarget(int width,
int height,
const GrD3DTextureResourceInfo& d3dInfo,
sk_sp<GrD3DResourceState> state);
sk_sp<GrD3DResourceState> getGrD3DResourceState() const;
#endif
// Free and release and resources being held by the GrBackendTexture.
void cleanup();
bool fIsValid;
bool fFramebufferOnly = false;
int fWidth; //<! width in pixels
int fHeight; //<! height in pixels
int fSampleCnt;
int fStencilBits;
GrBackendApi fBackend;
union {
#ifdef SK_GL
GrGLFramebufferInfo fGLInfo;
#endif
GrVkBackendSurfaceInfo fVkInfo;
GrMockRenderTargetInfo fMockInfo;
#ifdef SK_DIRECT3D
GrD3DBackendSurfaceInfo fD3DInfo;
#endif
};
#ifdef SK_METAL
GrMtlTextureInfo fMtlInfo;
#endif
#ifdef SK_DAWN
GrDawnRenderTargetInfo fDawnInfo;
#endif
sk_sp<GrBackendSurfaceMutableStateImpl> fMutableState;
};
#endif
#endif