The Ecere SDK - sdk/blob - ecere/src/gfx/drivers/gl3/egl.ec

   1 #if defined(__ANDROID__) || defined(__ODROID__)
   2
   3 #include <EGL/egl.h>
   4
   5 EGLDisplay eglDisplay;
   6 EGLSurface eglSurface;
   7 EGLContext eglContext;
   8 int eglWidth, eglHeight;
   9
  10 #if defined(__ANDROID__)
  11 static bool egl_init_display(ANativeWindow* window)
  12 #else
  13 static bool egl_init_display(uint window)
  14 #endif
  15 {
  16    const EGLint attribs[] =
  17    {
  18       EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
  19       EGL_BLUE_SIZE, 8,
  20       EGL_GREEN_SIZE, 8,
  21       EGL_RED_SIZE, 8,
  22       EGL_DEPTH_SIZE, 16, //24,
  23       /*EGL_SAMPLE_BUFFERS, 1,
  24       EGL_SAMPLES, 0, //2,*/
  25       EGL_NONE
  26    };
  27    EGLint w, h, format;
  28    EGLint numConfigs;
  29    EGLConfig config;
  30    EGLSurface surface;
  31    EGLContext context;
  32
  33    EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
  34    eglInitialize(display, 0, 0);
  35    eglChooseConfig(display, attribs, &config, 1, &numConfigs);
  36    eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
  37
  38    surface = eglCreateWindowSurface(display, config, window, null);
  39    context = eglCreateContext(display, config, null, null);
  40
  41    if(!eglMakeCurrent(display, surface, surface, context))
  42       return false;
  43
  44    eglQuerySurface(display, surface, EGL_WIDTH, &w);
  45    eglQuerySurface(display, surface, EGL_HEIGHT, &h);
  46
  47    eglDisplay = display;
  48    eglContext = context;
  49    eglSurface = surface;
  50    eglWidth = w;
  51    eglHeight = h;
  52
  53    glEnableClientState(GL_VERTEX_ARRAY);
  54    /*
  55    // Initialize GL state.
  56    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
  57    glEnable(GL_CULL_FACE);
  58    glShadeModel(GL_SMOOTH);
  59    glDisable(GL_DEPTH_TEST);
  60    */
  61    glDisable(GL_CULL_FACE);
  62    glDisable(GL_DEPTH_TEST);
  63
  64    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  65    glEnable(GL_BLEND);
  66
  67    matrixStack[0][0].Identity();
  68    matrixStack[1][0].Identity();
  69    matrixStack[2][0].Identity();
  70
  71    glmsMatrixMode(GL_MODELVIEW);
  72    glScaled(1.0, 1.0, -1.0);
  73    glmsMatrixMode(GL_PROJECTION);
  74    glShadeModel(GL_FLAT);
  75
  76    glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
  77    glFogi(GL_FOG_MODE, GL_EXP);
  78    glFogf(GL_FOG_DENSITY, 0);
  79    glEnable(GL_NORMALIZE);
  80    glDepthFunc(GL_LESS);
  81    glClearDepth(1.0);
  82    glDisable(GL_MULTISAMPLE_ARB);
  83
  84    glViewport(0,0,w,h);
  85    glmsLoadIdentity();
  86    glOrtho(0,w,h,0,0.0,1.0);
  87
  88    glabCurArrayBuffer = 0;
  89    glabCurElementBuffer = 0;
  90    return true;
  91 }
  92
  93 static void egl_term_display()
  94 {
  95    if(stippleTexture)
  96    {
  97       glDeleteTextures(1, &stippleTexture);
  98       stippleTexture = 0;
  99    }
 100    if(eglDisplay != EGL_NO_DISPLAY)
 101    {
 102       eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
 103       if(eglContext != EGL_NO_CONTEXT)
 104          eglDestroyContext(eglDisplay, eglContext);
 105       if(eglSurface != EGL_NO_SURFACE)
 106          eglDestroySurface(eglDisplay, eglSurface);
 107       eglTerminate(eglDisplay);
 108    }
 109    eglDisplay = EGL_NO_DISPLAY;
 110    eglContext = EGL_NO_CONTEXT;
 111    eglSurface = EGL_NO_SURFACE;
 112 }
 113
 114 #endif