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      1 /*
      2  * Copyright 2011, The Android Open Source Project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef TextureInfo_h
     27 #define TextureInfo_h
     28 
     29 #include <EGL/egl.h>
     30 #include <GLES2/gl2.h>
     31 #include <jni.h>
     32 #include <ui/GraphicBuffer.h>
     33 #include <utils/RefBase.h>
     34 #include "BaseTile.h"
     35 using android::sp;
     36 
     37 #define DEPRECATED_SURFACE_TEXTURE_MODE 0
     38 
     39 namespace android {
     40 class SurfaceTexture;
     41 }
     42 
     43 namespace WebCore {
     44 
     45 static const GLuint GL_NO_TEXTURE = 0;
     46 /**
     47  * TextureInfo is a class that stores both the texture and metadata about the
     48  * texture.
     49  */
     50 enum SharedTextureMode {
     51     EglImageMode,
     52     SurfaceTextureMode
     53 };
     54 
     55 class TextureInfo {
     56 public:
     57 
     58     TextureInfo(SharedTextureMode mode);
     59 
     60     bool equalsAttributes(const TextureInfo* otherTexture);
     61     void copyAttributes(const TextureInfo* sourceTexture);
     62 
     63     SharedTextureMode getSharedTextureMode() { return m_sharedTextureMode; }
     64     bool operator==(const TextureInfo& otherTexture);
     65 
     66     GLuint m_textureId;
     67     int32_t m_width;
     68     int32_t m_height;
     69     GLenum m_internalFormat;
     70 
     71     // Surface Texture specific data
     72 #if DEPRECATED_SURFACE_TEXTURE_MODE
     73     sp<android::SurfaceTexture> m_surfaceTexture;
     74 #endif
     75     // TODO: Delete this after the Ganesh code path get fixed.
     76     sp<ANativeWindow> m_ANW;
     77     // The EGLSurface wraps the m_ANW to enable direct OpenGL rendering (e.g. Ganesh)
     78     EGLSurface m_eglSurface;
     79 
     80     int m_pictureCount;
     81 private:
     82     SharedTextureMode m_sharedTextureMode;
     83 };
     84 
     85 } // namespace WebCore
     86 
     87 #endif // TextureInfo_h
     88