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//
// Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// TextureStorage11.h: Defines the abstract rx::TextureStorage11 class and its concrete derived
// classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11 texture.
#ifndef LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_
#define LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_
#include "libGLESv2/Texture.h"
#include "libGLESv2/renderer/d3d/TextureStorage.h"
namespace rx
{
class RenderTarget;
class RenderTarget11;
class Renderer;
class Renderer11;
class SwapChain11;
class TextureStorage11 : public TextureStorage
{
public:
virtual ~TextureStorage11();
static TextureStorage11 *makeTextureStorage11(TextureStorage *storage);
static DWORD GetTextureBindFlags(GLenum internalFormat, bool renderTarget);
UINT getBindFlags() const;
virtual ID3D11Resource *getResource() const = 0;
virtual ID3D11ShaderResourceView *getSRV(const gl::SamplerState &samplerState);
virtual RenderTarget *getRenderTarget(int level) { return NULL; }
virtual RenderTarget *getRenderTargetFace(GLenum faceTarget, int level) { return NULL; }
virtual RenderTarget *getRenderTargetLayer(int mipLevel, int layer) { return NULL; }
virtual void generateMipmap(int level) {};
virtual void generateMipmap(int face, int level) {};
virtual int getTopLevel() const;
virtual bool isRenderTarget() const;
virtual bool isManaged() const;
virtual int getLevelCount() const;
UINT getSubresourceIndex(int mipLevel, int layerTarget) const;
void generateSwizzles(GLenum swizzleRed, GLenum swizzleGreen, GLenum swizzleBlue, GLenum swizzleAlpha);
void invalidateSwizzleCacheLevel(int mipLevel);
void invalidateSwizzleCache();
bool updateSubresourceLevel(ID3D11Resource *texture, unsigned int sourceSubresource, int level,
int layerTarget, GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth);
protected:
TextureStorage11(Renderer *renderer, UINT bindFlags);
void generateMipmapLayer(RenderTarget11 *source, RenderTarget11 *dest);
int getLevelWidth(int mipLevel) const;
int getLevelHeight(int mipLevel) const;
int getLevelDepth(int mipLevel) const;
virtual ID3D11Resource *getSwizzleTexture() = 0;
virtual ID3D11RenderTargetView *getSwizzleRenderTarget(int mipLevel) = 0;
ID3D11ShaderResourceView *getSRVLevel(int mipLevel);
virtual ID3D11ShaderResourceView *createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture) = 0;
void verifySwizzleExists(GLenum swizzleRed, GLenum swizzleGreen, GLenum swizzleBlue, GLenum swizzleAlpha);
virtual unsigned int getTextureLevelDepth(int mipLevel) const = 0;
Renderer11 *mRenderer;
int mTopLevel;
unsigned int mMipLevels;
DXGI_FORMAT mTextureFormat;
DXGI_FORMAT mShaderResourceFormat;
DXGI_FORMAT mRenderTargetFormat;
DXGI_FORMAT mDepthStencilFormat;
DXGI_FORMAT mSwizzleTextureFormat;
DXGI_FORMAT mSwizzleShaderResourceFormat;
DXGI_FORMAT mSwizzleRenderTargetFormat;
unsigned int mTextureWidth;
unsigned int mTextureHeight;
unsigned int mTextureDepth;
struct SwizzleCacheValue
{
GLenum swizzleRed;
GLenum swizzleGreen;
GLenum swizzleBlue;
GLenum swizzleAlpha;
SwizzleCacheValue();
SwizzleCacheValue(GLenum red, GLenum green, GLenum blue, GLenum alpha);
bool operator ==(const SwizzleCacheValue &other) const;
bool operator !=(const SwizzleCacheValue &other) const;
};
SwizzleCacheValue mSwizzleCache[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
struct SRVKey
{
SRVKey(int baseLevel = 0, int mipLevels = 0, bool swizzle = false);
bool operator==(const SRVKey &rhs) const;
int baseLevel;
int mipLevels;
bool swizzle;
};
struct SRVPair
{
SRVKey key;
ID3D11ShaderResourceView *srv;
};
struct SRVCache
{
~SRVCache();
ID3D11ShaderResourceView *find(const SRVKey &key) const;
ID3D11ShaderResourceView *add(const SRVKey &key, ID3D11ShaderResourceView *srv);
std::vector<SRVPair> cache;
};
private:
DISALLOW_COPY_AND_ASSIGN(TextureStorage11);
const UINT mBindFlags;
SRVCache srvCache;
ID3D11ShaderResourceView *mLevelSRVs[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
};
class TextureStorage11_2D : public TextureStorage11
{
public:
TextureStorage11_2D(Renderer *renderer, SwapChain11 *swapchain);
TextureStorage11_2D(Renderer *renderer, GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels);
virtual ~TextureStorage11_2D();
static TextureStorage11_2D *makeTextureStorage11_2D(TextureStorage *storage);
virtual ID3D11Resource *getResource() const;
virtual RenderTarget *getRenderTarget(int level);
virtual void generateMipmap(int level);
protected:
virtual ID3D11Resource *getSwizzleTexture();
virtual ID3D11RenderTargetView *getSwizzleRenderTarget(int mipLevel);
virtual unsigned int getTextureLevelDepth(int mipLevel) const;
private:
DISALLOW_COPY_AND_ASSIGN(TextureStorage11_2D);
virtual ID3D11ShaderResourceView *createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture);
ID3D11Texture2D *mTexture;
RenderTarget11 *mRenderTarget[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
ID3D11Texture2D *mSwizzleTexture;
ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
};
class TextureStorage11_Cube : public TextureStorage11
{
public:
TextureStorage11_Cube(Renderer *renderer, GLenum internalformat, bool renderTarget, int size, int levels);
virtual ~TextureStorage11_Cube();
static TextureStorage11_Cube *makeTextureStorage11_Cube(TextureStorage *storage);
virtual ID3D11Resource *getResource() const;
virtual RenderTarget *getRenderTargetFace(GLenum faceTarget, int level);
virtual void generateMipmap(int faceIndex, int level);
protected:
virtual ID3D11Resource *getSwizzleTexture();
virtual ID3D11RenderTargetView *getSwizzleRenderTarget(int mipLevel);
virtual unsigned int getTextureLevelDepth(int mipLevel) const;
private:
DISALLOW_COPY_AND_ASSIGN(TextureStorage11_Cube);
virtual ID3D11ShaderResourceView *createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture);
ID3D11Texture2D *mTexture;
RenderTarget11 *mRenderTarget[6][gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
ID3D11Texture2D *mSwizzleTexture;
ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
};
class TextureStorage11_3D : public TextureStorage11
{
public:
TextureStorage11_3D(Renderer *renderer, GLenum internalformat, bool renderTarget,
GLsizei width, GLsizei height, GLsizei depth, int levels);
virtual ~TextureStorage11_3D();
static TextureStorage11_3D *makeTextureStorage11_3D(TextureStorage *storage);
virtual ID3D11Resource *getResource() const;
virtual RenderTarget *getRenderTarget(int mipLevel);
virtual RenderTarget *getRenderTargetLayer(int mipLevel, int layer);
virtual void generateMipmap(int level);
protected:
virtual ID3D11Resource *getSwizzleTexture();
virtual ID3D11RenderTargetView *getSwizzleRenderTarget(int mipLevel);
virtual unsigned int getTextureLevelDepth(int mipLevel) const;
private:
DISALLOW_COPY_AND_ASSIGN(TextureStorage11_3D);
virtual ID3D11ShaderResourceView *createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture);
typedef std::pair<int, int> LevelLayerKey;
typedef std::map<LevelLayerKey, RenderTarget11*> RenderTargetMap;
RenderTargetMap mLevelLayerRenderTargets;
RenderTarget11 *mLevelRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
ID3D11Texture3D *mTexture;
ID3D11Texture3D *mSwizzleTexture;
ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
};
class TextureStorage11_2DArray : public TextureStorage11
{
public:
TextureStorage11_2DArray(Renderer *renderer, GLenum internalformat, bool renderTarget,
GLsizei width, GLsizei height, GLsizei depth, int levels);
virtual ~TextureStorage11_2DArray();
static TextureStorage11_2DArray *makeTextureStorage11_2DArray(TextureStorage *storage);
virtual ID3D11Resource *getResource() const;
virtual RenderTarget *getRenderTargetLayer(int mipLevel, int layer);
virtual void generateMipmap(int level);
protected:
virtual ID3D11Resource *getSwizzleTexture();
virtual ID3D11RenderTargetView *getSwizzleRenderTarget(int mipLevel);
virtual unsigned int getTextureLevelDepth(int mipLevel) const;
private:
DISALLOW_COPY_AND_ASSIGN(TextureStorage11_2DArray);
virtual ID3D11ShaderResourceView *createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture);
typedef std::pair<int, int> LevelLayerKey;
typedef std::map<LevelLayerKey, RenderTarget11*> RenderTargetMap;
RenderTargetMap mRenderTargets;
ID3D11Texture2D *mTexture;
ID3D11Texture2D *mSwizzleTexture;
ID3D11RenderTargetView *mSwizzleRenderTargets[gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS];
};
}
#endif // LIBGLESV2_RENDERER_TEXTURESTORAGE11_H_
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