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      1 /*
      2  * Copyright 2010, 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 APPLE COMPUTER, INC. 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 #include "android_npapi.h"
     26 #include "SkCanvas.h"
     27 #include "SkBitmap.h"
     28 
     29 #include <EGL/egl.h>
     30 #include <GLES2/gl2.h>
     31 
     32 #ifndef RenderingThread__DEFINED
     33 #define RenderingThread__DEFINED
     34 
     35 #define USE_SOFTWARE_RENDERING false
     36 #define MS_PER_FRAME 17 // approx 60 fps
     37 
     38 class RenderingThread : public android::Thread {
     39 public:
     40     RenderingThread(NPP npp);
     41     virtual ~RenderingThread() {};
     42     virtual android::status_t readyToRun();
     43 
     44     void setDimensions(int width, int height);
     45     void getDimensions(int& width, int& height);
     46 
     47 protected:
     48     NPP m_npp;
     49     ANativeWindow* m_ANW;
     50 
     51     static void printGLString(const char *name, GLenum s);
     52     static void checkGlError(const char* op);
     53     static GLenum getInternalFormat(SkBitmap::Config config);
     54     static GLenum getType(SkBitmap::Config config);
     55     void setupNativeWindow(ANativeWindow* ANW, const SkBitmap& bitmap);
     56     void updateNativeWindow(ANativeWindow* ANW, const SkBitmap& bitmap);
     57 
     58 private:
     59     virtual bool threadLoop() = 0;
     60 
     61     android::Mutex m_sync;
     62     int m_width;
     63     int m_height;
     64 
     65 #if (!USE_SOFTWARE_RENDERING)
     66     EGLDisplay m_eglDisplay;
     67     EGLSurface m_eglSurface;
     68     EGLContext m_eglContext;
     69     EGLConfig  m_eglConfig;
     70 #endif
     71 };
     72 
     73 
     74 
     75 
     76 #endif // RenderingThread__DEFINED
     77