| // |
| // Copyright (c) 2002-2013 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. |
| // |
| |
| // Texture.h: Defines the abstract gl::Texture class and its concrete derived |
| // classes Texture2D and TextureCubeMap. Implements GL texture objects and |
| // related functionality. [OpenGL ES 2.0.24] section 3.7 page 63. |
| |
| #ifndef LIBGLESV2_TEXTURE_H_ |
| #define LIBGLESV2_TEXTURE_H_ |
| |
| #include <vector> |
| |
| #include <GLES3/gl3.h> |
| #include <GLES2/gl2.h> |
| |
| #include "common/debug.h" |
| #include "common/RefCountObject.h" |
| #include "libGLESv2/angletypes.h" |
| #include "libGLESv2/RenderbufferProxySet.h" |
| |
| namespace egl |
| { |
| class Surface; |
| } |
| |
| namespace rx |
| { |
| class Renderer; |
| class TextureStorageInterface; |
| class TextureStorageInterface2D; |
| class TextureStorageInterfaceCube; |
| class TextureStorageInterface3D; |
| class TextureStorageInterface2DArray; |
| class RenderTarget; |
| class Image; |
| } |
| |
| namespace gl |
| { |
| class Framebuffer; |
| class FramebufferAttachment; |
| |
| enum |
| { |
| // These are the maximums the implementation can support |
| // The actual GL caps are limited by the device caps |
| // and should be queried from the Context |
| IMPLEMENTATION_MAX_2D_TEXTURE_SIZE = 16384, |
| IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE = 16384, |
| IMPLEMENTATION_MAX_3D_TEXTURE_SIZE = 2048, |
| IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS = 2048, |
| |
| IMPLEMENTATION_MAX_TEXTURE_LEVELS = 15 // 1+log2 of MAX_TEXTURE_SIZE |
| }; |
| |
| bool IsMipmapFiltered(const SamplerState &samplerState); |
| |
| class Texture : public RefCountObject |
| { |
| public: |
| Texture(rx::Renderer *renderer, GLuint id, GLenum target); |
| |
| virtual ~Texture(); |
| |
| void addProxyRef(const FramebufferAttachment *proxy); |
| void releaseProxy(const FramebufferAttachment *proxy); |
| |
| GLenum getTarget() const; |
| |
| void setMinFilter(GLenum filter); |
| void setMagFilter(GLenum filter); |
| void setWrapS(GLenum wrap); |
| void setWrapT(GLenum wrap); |
| void setWrapR(GLenum wrap); |
| void setMaxAnisotropy(float textureMaxAnisotropy, float contextMaxAnisotropy); |
| void setCompareMode(GLenum mode); |
| void setCompareFunc(GLenum func); |
| void setSwizzleRed(GLenum swizzle); |
| void setSwizzleGreen(GLenum swizzle); |
| void setSwizzleBlue(GLenum swizzle); |
| void setSwizzleAlpha(GLenum swizzle); |
| void setBaseLevel(GLint baseLevel); |
| void setMaxLevel(GLint maxLevel); |
| void setMinLod(GLfloat minLod); |
| void setMaxLod(GLfloat maxLod); |
| void setUsage(GLenum usage); |
| |
| GLenum getMinFilter() const; |
| GLenum getMagFilter() const; |
| GLenum getWrapS() const; |
| GLenum getWrapT() const; |
| GLenum getWrapR() const; |
| float getMaxAnisotropy() const; |
| GLenum getSwizzleRed() const; |
| GLenum getSwizzleGreen() const; |
| GLenum getSwizzleBlue() const; |
| GLenum getSwizzleAlpha() const; |
| GLint getBaseLevel() const; |
| GLint getMaxLevel() const; |
| GLfloat getMinLod() const; |
| GLfloat getMaxLod() const; |
| bool isSwizzled() const; |
| void getSamplerState(SamplerState *sampler); |
| GLenum getUsage() const; |
| |
| GLint getBaseLevelWidth() const; |
| GLint getBaseLevelHeight() const; |
| GLint getBaseLevelDepth() const; |
| GLenum getBaseLevelInternalFormat() const; |
| |
| virtual bool isSamplerComplete(const SamplerState &samplerState) const = 0; |
| |
| rx::TextureStorageInterface *getNativeTexture(); |
| |
| virtual void generateMipmaps() = 0; |
| virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source) = 0; |
| |
| bool hasDirtyParameters() const; |
| bool hasDirtyImages() const; |
| void resetDirty(); |
| unsigned int getTextureSerial(); |
| |
| bool isImmutable() const; |
| int immutableLevelCount(); |
| |
| static const GLuint INCOMPLETE_TEXTURE_ID = static_cast<GLuint>(-1); // Every texture takes an id at creation time. The value is arbitrary because it is never registered with the resource manager. |
| |
| protected: |
| void setImage(const PixelUnpackState &unpack, GLenum type, const void *pixels, rx::Image *image); |
| bool subImage(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels, rx::Image *image); |
| void setCompressedImage(GLsizei imageSize, const void *pixels, rx::Image *image); |
| bool subImageCompressed(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLsizei imageSize, const void *pixels, rx::Image *image); |
| bool isFastUnpackable(const PixelUnpackState &unpack, GLenum sizedInternalFormat); |
| bool fastUnpackPixels(const PixelUnpackState &unpack, const void *pixels, const Box &destArea, |
| GLenum sizedInternalFormat, GLenum type, rx::RenderTarget *destRenderTarget); |
| |
| GLint creationLevels(GLsizei width, GLsizei height, GLsizei depth) const; |
| int mipLevels() const; |
| |
| virtual void initializeStorage(bool renderTarget) = 0; |
| virtual void updateStorage() = 0; |
| virtual bool ensureRenderTarget() = 0; |
| |
| rx::Renderer *mRenderer; |
| |
| SamplerState mSamplerState; |
| GLenum mUsage; |
| |
| bool mDirtyImages; |
| |
| bool mImmutable; |
| |
| GLenum mTarget; |
| |
| // A specific internal reference count is kept for colorbuffer proxy references, |
| // because, as the renderbuffer acting as proxy will maintain a binding pointer |
| // back to this texture, there would be a circular reference if we used a binding |
| // pointer here. This reference count will cause the pointer to be set to NULL if |
| // the count drops to zero, but will not cause deletion of the FramebufferAttachment. |
| RenderbufferProxySet mRenderbufferProxies; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture); |
| |
| virtual rx::TextureStorageInterface *getBaseLevelStorage() = 0; |
| virtual const rx::Image *getBaseLevelImage() const = 0; |
| }; |
| |
| class Texture2D : public Texture |
| { |
| public: |
| Texture2D(rx::Renderer *renderer, GLuint id); |
| |
| ~Texture2D(); |
| |
| GLsizei getWidth(GLint level) const; |
| GLsizei getHeight(GLint level) const; |
| GLenum getInternalFormat(GLint level) const; |
| GLenum getActualFormat(GLint level) const; |
| bool isCompressed(GLint level) const; |
| bool isDepth(GLint level) const; |
| |
| void setImage(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels); |
| void subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels); |
| void copyImage(GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source); |
| virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source); |
| void storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); |
| |
| virtual bool isSamplerComplete(const SamplerState &samplerState) const; |
| virtual void bindTexImage(egl::Surface *surface); |
| virtual void releaseTexImage(); |
| |
| virtual void generateMipmaps(); |
| |
| FramebufferAttachment *getAttachment(GLint level); |
| unsigned int getRenderTargetSerial(GLint level); |
| |
| protected: |
| friend class Texture2DAttachment; |
| rx::RenderTarget *getRenderTarget(GLint level); |
| rx::RenderTarget *getDepthSencil(GLint level); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture2D); |
| |
| virtual void initializeStorage(bool renderTarget); |
| rx::TextureStorageInterface2D *createCompleteStorage(bool renderTarget) const; |
| void setCompleteTexStorage(rx::TextureStorageInterface2D *newCompleteTexStorage); |
| |
| virtual void updateStorage(); |
| virtual bool ensureRenderTarget(); |
| virtual rx::TextureStorageInterface *getBaseLevelStorage(); |
| virtual const rx::Image *getBaseLevelImage() const; |
| |
| bool isMipmapComplete() const; |
| bool isValidLevel(int level) const; |
| bool isLevelComplete(int level) const; |
| void updateStorageLevel(int level); |
| |
| void redefineImage(GLint level, GLenum internalformat, GLsizei width, GLsizei height); |
| void commitRect(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height); |
| |
| rx::Image *mImageArray[IMPLEMENTATION_MAX_TEXTURE_LEVELS]; |
| |
| rx::TextureStorageInterface2D *mTexStorage; |
| egl::Surface *mSurface; |
| }; |
| |
| class TextureCubeMap : public Texture |
| { |
| public: |
| TextureCubeMap(rx::Renderer *renderer, GLuint id); |
| |
| ~TextureCubeMap(); |
| |
| GLsizei getWidth(GLenum target, GLint level) const; |
| GLsizei getHeight(GLenum target, GLint level) const; |
| GLenum getInternalFormat(GLenum target, GLint level) const; |
| GLenum getActualFormat(GLenum target, GLint level) const; |
| bool isCompressed(GLenum target, GLint level) const; |
| bool isDepth(GLenum target, GLint level) const; |
| |
| void setImagePosX(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setImageNegX(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setImagePosY(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setImageNegY(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setImagePosZ(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setImageNegZ(GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| |
| void setCompressedImage(GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei imageSize, const void *pixels); |
| |
| void subImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void subImageCompressed(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *pixels); |
| void copyImage(GLenum target, GLint level, GLenum format, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source); |
| virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source); |
| void storage(GLsizei levels, GLenum internalformat, GLsizei size); |
| |
| virtual bool isSamplerComplete(const SamplerState &samplerState) const; |
| bool isCubeComplete() const; |
| |
| virtual void generateMipmaps(); |
| |
| FramebufferAttachment *getAttachment(GLenum target, GLint level); |
| unsigned int getRenderTargetSerial(GLenum target, GLint level); |
| |
| static int targetToIndex(GLenum target); |
| |
| protected: |
| friend class TextureCubeMapAttachment; |
| rx::RenderTarget *getRenderTarget(GLenum target, GLint level); |
| rx::RenderTarget *getDepthStencil(GLenum target, GLint level); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureCubeMap); |
| |
| virtual void initializeStorage(bool renderTarget); |
| rx::TextureStorageInterfaceCube *createCompleteStorage(bool renderTarget) const; |
| void setCompleteTexStorage(rx::TextureStorageInterfaceCube *newCompleteTexStorage); |
| |
| virtual void updateStorage(); |
| virtual bool ensureRenderTarget(); |
| virtual rx::TextureStorageInterface *getBaseLevelStorage(); |
| virtual const rx::Image *getBaseLevelImage() const; |
| |
| bool isMipmapCubeComplete() const; |
| bool isValidFaceLevel(int faceIndex, int level) const; |
| bool isFaceLevelComplete(int faceIndex, int level) const; |
| void updateStorageFaceLevel(int faceIndex, int level); |
| |
| void setImage(int faceIndex, GLint level, GLsizei width, GLsizei height, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void commitRect(int faceIndex, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height); |
| void redefineImage(int faceIndex, GLint level, GLenum internalformat, GLsizei width, GLsizei height); |
| |
| rx::Image *mImageArray[6][IMPLEMENTATION_MAX_TEXTURE_LEVELS]; |
| |
| rx::TextureStorageInterfaceCube *mTexStorage; |
| }; |
| |
| class Texture3D : public Texture |
| { |
| public: |
| Texture3D(rx::Renderer *renderer, GLuint id); |
| |
| ~Texture3D(); |
| |
| GLsizei getWidth(GLint level) const; |
| GLsizei getHeight(GLint level) const; |
| GLsizei getDepth(GLint level) const; |
| GLenum getInternalFormat(GLint level) const; |
| GLenum getActualFormat(GLint level) const; |
| bool isCompressed(GLint level) const; |
| bool isDepth(GLint level) const; |
| |
| void setImage(GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels); |
| void subImage(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels); |
| void storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); |
| |
| virtual void generateMipmaps(); |
| virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source); |
| |
| virtual bool isSamplerComplete(const SamplerState &samplerState) const; |
| virtual bool isMipmapComplete() const; |
| |
| FramebufferAttachment *getAttachment(GLint level, GLint layer); |
| unsigned int getRenderTargetSerial(GLint level, GLint layer); |
| |
| protected: |
| friend class Texture3DAttachment; |
| rx::RenderTarget *getRenderTarget(GLint level); |
| rx::RenderTarget *getRenderTarget(GLint level, GLint layer); |
| rx::RenderTarget *getDepthStencil(GLint level, GLint layer); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture3D); |
| |
| virtual void initializeStorage(bool renderTarget); |
| rx::TextureStorageInterface3D *createCompleteStorage(bool renderTarget) const; |
| void setCompleteTexStorage(rx::TextureStorageInterface3D *newCompleteTexStorage); |
| |
| virtual void updateStorage(); |
| virtual bool ensureRenderTarget(); |
| |
| virtual rx::TextureStorageInterface *getBaseLevelStorage(); |
| virtual const rx::Image *getBaseLevelImage() const; |
| |
| void redefineImage(GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); |
| void commitRect(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth); |
| |
| bool isValidLevel(int level) const; |
| bool isLevelComplete(int level) const; |
| void updateStorageLevel(int level); |
| |
| rx::Image *mImageArray[IMPLEMENTATION_MAX_TEXTURE_LEVELS]; |
| |
| rx::TextureStorageInterface3D *mTexStorage; |
| }; |
| |
| class Texture2DArray : public Texture |
| { |
| public: |
| Texture2DArray(rx::Renderer *renderer, GLuint id); |
| |
| ~Texture2DArray(); |
| |
| GLsizei getWidth(GLint level) const; |
| GLsizei getHeight(GLint level) const; |
| GLsizei getLayers(GLint level) const; |
| GLenum getInternalFormat(GLint level) const; |
| GLenum getActualFormat(GLint level) const; |
| bool isCompressed(GLint level) const; |
| bool isDepth(GLint level) const; |
| |
| void setImage(GLint level, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void setCompressedImage(GLint level, GLenum format, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels); |
| void subImage(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const PixelUnpackState &unpack, const void *pixels); |
| void subImageCompressed(GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *pixels); |
| void storage(GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); |
| |
| virtual void generateMipmaps(); |
| virtual void copySubImage(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, Framebuffer *source); |
| |
| virtual bool isSamplerComplete(const SamplerState &samplerState) const; |
| virtual bool isMipmapComplete() const; |
| |
| FramebufferAttachment *getAttachment(GLint level, GLint layer); |
| unsigned int getRenderTargetSerial(GLint level, GLint layer); |
| |
| protected: |
| friend class Texture2DArrayAttachment; |
| rx::RenderTarget *getRenderTarget(GLint level, GLint layer); |
| rx::RenderTarget *getDepthStencil(GLint level, GLint layer); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture2DArray); |
| |
| virtual void initializeStorage(bool renderTarget); |
| rx::TextureStorageInterface2DArray *createCompleteStorage(bool renderTarget) const; |
| void setCompleteTexStorage(rx::TextureStorageInterface2DArray *newCompleteTexStorage); |
| |
| virtual void updateStorage(); |
| virtual bool ensureRenderTarget(); |
| |
| virtual rx::TextureStorageInterface *getBaseLevelStorage(); |
| virtual const rx::Image *getBaseLevelImage() const; |
| |
| void deleteImages(); |
| void redefineImage(GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); |
| void commitRect(GLint level, GLint xoffset, GLint yoffset, GLint layerTarget, GLsizei width, GLsizei height); |
| |
| bool isValidLevel(int level) const; |
| bool isLevelComplete(int level) const; |
| void updateStorageLevel(int level); |
| |
| // Storing images as an array of single depth textures since D3D11 treats each array level of a |
| // Texture2D object as a separate subresource. Each layer would have to be looped over |
| // to update all the texture layers since they cannot all be updated at once and it makes the most |
| // sense for the Image class to not have to worry about layer subresource as well as mip subresources. |
| GLsizei mLayerCounts[IMPLEMENTATION_MAX_TEXTURE_LEVELS]; |
| rx::Image **mImageArray[IMPLEMENTATION_MAX_TEXTURE_LEVELS]; |
| |
| rx::TextureStorageInterface2DArray *mTexStorage; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_TEXTURE_H_ |