| // |
| // Copyright (c) 2002-2010 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> |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| #include <d3d9.h> |
| |
| #include "libGLESv2/Renderbuffer.h" |
| #include "libGLESv2/utilities.h" |
| #include "common/debug.h" |
| |
| namespace gl |
| { |
| class Blit; |
| |
| enum |
| { |
| MAX_TEXTURE_SIZE = 2048, |
| MAX_CUBE_MAP_TEXTURE_SIZE = 2048, |
| |
| MAX_TEXTURE_LEVELS = 12 // 1+log2 of MAX_TEXTURE_SIZE |
| }; |
| |
| class Texture : public RefCountObject |
| { |
| public: |
| explicit Texture(GLuint id); |
| |
| virtual ~Texture(); |
| |
| virtual GLenum getTarget() const = 0; |
| |
| bool setMinFilter(GLenum filter); |
| bool setMagFilter(GLenum filter); |
| bool setWrapS(GLenum wrap); |
| bool setWrapT(GLenum wrap); |
| |
| GLenum getMinFilter() const; |
| GLenum getMagFilter() const; |
| GLenum getWrapS() const; |
| GLenum getWrapT() const; |
| |
| GLuint getWidth() const; |
| GLuint getHeight() const; |
| |
| virtual bool isComplete() const = 0; |
| |
| IDirect3DBaseTexture9 *getTexture(); |
| virtual Renderbuffer *getColorbuffer(GLenum target) = 0; |
| |
| virtual void generateMipmaps() = 0; |
| |
| bool isDirty() const; |
| |
| 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: |
| class TextureColorbufferProxy; |
| friend class TextureColorbufferProxy; |
| class TextureColorbufferProxy : public Colorbuffer |
| { |
| public: |
| TextureColorbufferProxy(Texture *texture, GLenum target); |
| // target is a 2D-like texture target (GL_TEXTURE_2D or one of the cube face targets) |
| |
| virtual void addRef() const; |
| virtual void release() const; |
| |
| virtual IDirect3DSurface9 *getRenderTarget(); |
| |
| virtual int getWidth() const; |
| virtual int getHeight() const; |
| |
| private: |
| Texture *mTexture; |
| GLenum mTarget; |
| }; |
| |
| // Helper structure representing a single image layer |
| struct Image |
| { |
| Image(); |
| ~Image(); |
| |
| GLsizei width; |
| GLsizei height; |
| GLenum format; |
| |
| bool dirty; |
| |
| IDirect3DSurface9 *surface; |
| }; |
| |
| static D3DFORMAT selectFormat(GLenum format); |
| int imagePitch(const Image& img) const; |
| |
| void setImage(GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *img); |
| bool subImage(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels, Image *img); |
| |
| void needRenderTarget(); |
| |
| GLint creationLevels(GLsizei width, GLsizei height, GLint maxlevel) const; |
| GLint creationLevels(GLsizei size, GLint maxlevel) const; |
| |
| // The pointer returned is weak and it is assumed the derived class will keep a strong pointer until the next createTexture() call. |
| virtual IDirect3DBaseTexture9 *createTexture() = 0; |
| virtual void updateTexture() = 0; |
| virtual IDirect3DBaseTexture9 *convertToRenderTarget() = 0; |
| virtual IDirect3DSurface9 *getRenderTarget(GLenum target) = 0; |
| |
| virtual bool dirtyImageData() const = 0; |
| |
| void dropTexture(); |
| void pushTexture(IDirect3DBaseTexture9 *newTexture, bool renderable); |
| |
| Blit *getBlitter(); |
| |
| int levelCount() const; |
| |
| unsigned int mWidth; |
| unsigned int mHeight; |
| GLenum mMinFilter; |
| GLenum mMagFilter; |
| GLenum mWrapS; |
| GLenum mWrapT; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture); |
| |
| void loadImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, |
| GLint unpackAlignment, const void *input, std::size_t outputPitch, void *output) const; |
| |
| IDirect3DBaseTexture9 *mBaseTexture; // This is a weak pointer. The derived class is assumed to own a strong pointer. |
| |
| bool mDirty; |
| bool mDirtyMetaData; |
| bool mIsRenderable; |
| }; |
| |
| class Texture2D : public Texture |
| { |
| public: |
| explicit Texture2D(GLuint id); |
| |
| ~Texture2D(); |
| |
| GLenum getTarget() const; |
| |
| void setImage(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void subImage(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void copyImage(GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, RenderbufferStorage *source); |
| void copySubImage(GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, RenderbufferStorage *source); |
| |
| bool isComplete() const; |
| |
| virtual void generateMipmaps(); |
| |
| virtual Renderbuffer *getColorbuffer(GLenum target); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Texture2D); |
| |
| virtual IDirect3DBaseTexture9 *createTexture(); |
| virtual void updateTexture(); |
| virtual IDirect3DBaseTexture9 *convertToRenderTarget(); |
| virtual IDirect3DSurface9 *getRenderTarget(GLenum target); |
| |
| virtual bool dirtyImageData() const; |
| |
| bool redefineTexture(GLint level, GLenum internalFormat, GLsizei width, GLsizei height); |
| void commitRect(GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height); |
| |
| Image mImageArray[MAX_TEXTURE_LEVELS]; |
| |
| IDirect3DTexture9 *mTexture; |
| |
| Renderbuffer *mColorbufferProxy; |
| }; |
| |
| class TextureCubeMap : public Texture |
| { |
| public: |
| explicit TextureCubeMap(GLuint id); |
| |
| ~TextureCubeMap(); |
| |
| GLenum getTarget() const; |
| |
| void setImagePosX(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void setImageNegX(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void setImagePosY(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void setImageNegY(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void setImagePosZ(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void setImageNegZ(GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| |
| void subImage(GLenum face, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void copyImage(GLenum face, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, RenderbufferStorage *source); |
| void copySubImage(GLenum face, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, RenderbufferStorage *source); |
| |
| bool isComplete() const; |
| |
| virtual void generateMipmaps(); |
| |
| virtual Renderbuffer *getColorbuffer(GLenum target); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TextureCubeMap); |
| |
| virtual IDirect3DBaseTexture9 *createTexture(); |
| virtual void updateTexture(); |
| virtual IDirect3DBaseTexture9 *convertToRenderTarget(); |
| virtual IDirect3DSurface9 *getRenderTarget(GLenum target); |
| |
| virtual bool dirtyImageData() const; |
| |
| // faceIdentifier is 0-5 or one of the GL_TEXTURE_CUBE_MAP_* enumerants. |
| // Returns NULL if the call underlying Direct3D call fails. |
| IDirect3DSurface9 *getCubeMapSurface(unsigned int faceIdentifier, unsigned int level); |
| |
| static unsigned int faceIndex(GLenum face); |
| |
| bool isCubeComplete() const; |
| |
| void setImage(int face, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint unpackAlignment, const void *pixels); |
| void commitRect(GLenum faceTarget, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height); |
| bool redefineTexture(GLint level, GLenum internalFormat, GLsizei width); |
| |
| Image mImageArray[6][MAX_TEXTURE_LEVELS]; |
| |
| IDirect3DCubeTexture9 *mTexture; |
| |
| Renderbuffer *mFaceProxies[6]; |
| }; |
| } |
| |
| #endif // LIBGLESV2_TEXTURE_H_ |