/**
* Initialize the gestures sets
*/
static void initGestures()
{
gesture_tap_t* tap;
gesture_double_tap_t* double_tap;
set = gestures_set_alloc();
if (NULL != set)
{
tap = tap_gesture_alloc(NULL, gestureCallback, set);
double_tap = double_tap_gesture_alloc(NULL, gestureCallback, set);
tfpan_gesture_alloc(NULL, gestureCallback, set);
pinch_gesture_alloc(NULL, gestureCallback, set);
}
else
{
fprintf(stderr, "Failed to allocate gestures set\n");
}
}
Platform* Platform::create(Game* game, void* attachToWindow)
{
FileSystem::setResourcePath("./app/native/");
Platform* platform = new Platform(game);
// Query game config
int samples = 0;
Properties* config = Game::getInstance()->getConfig()->getNamespace("window", true);
if (config)
{
samples = std::max(config->getInt("samples"), 0);
}
__gestureSet = gestures_set_alloc();
swipe_gesture_alloc(NULL, gesture_callback, __gestureSet);
pinch_gesture_alloc(NULL, gesture_callback, __gestureSet);
tap_gesture_alloc(NULL, gesture_callback, __gestureSet);
bps_initialize();
// Initialize navigator and orientation
static const int SENSOR_RATE = 25000;
sensor_set_rate(SENSOR_TYPE_AZIMUTH_PITCH_ROLL, SENSOR_RATE);
sensor_set_skip_duplicates(SENSOR_TYPE_AZIMUTH_PITCH_ROLL, true);
sensor_request_events(SENSOR_TYPE_AZIMUTH_PITCH_ROLL);
navigator_request_events(0);
navigator_rotation_lock(true);
__orientationAngle = atoi(getenv("ORIENTATION"));
int rc = 0;
int screenFormat = SCREEN_FORMAT_RGBA8888;
#ifdef __X86__
int screenUsage = SCREEN_USAGE_OPENGL_ES2;
#else
int screenUsage = SCREEN_USAGE_DISPLAY|SCREEN_USAGE_OPENGL_ES2; // Physical device copy directly into physical display
#endif
int screenSwapInterval = WINDOW_VSYNC ? 1 : 0;
int screenTransparency = SCREEN_TRANSPARENCY_NONE;
char *width_str = getenv("WIDTH");
char *height_str = getenv("HEIGHT");
// Hard-coded to (0,0).
int windowPosition[] =
{
0, 0
};
EGLint eglConfigCount;
// Hard-coded to 32-bit/OpenGL ES 2.0.
// NOTE: EGL_SAMPLE_BUFFERS and EGL_SAMPLES MUST remain at the beginning of the attribute list
// since they are expected to be at indices 0-3 in config fallback code later.
EGLint eglConfigAttrs[] =
{
EGL_SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
EGL_SAMPLES, samples,
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 24,
EGL_STENCIL_SIZE, 8,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
const EGLint eglContextAttrs[] =
{
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
const EGLint eglSurfaceAttrs[] =
{
EGL_RENDER_BUFFER, EGL_BACK_BUFFER,
EGL_NONE
};
// Create the screen context.
rc = screen_create_context(&__screenContext, 0);
if (rc)
{
perror("screen_create_context");
goto error;
}
// Create the screen window.
rc = screen_create_window(&__screenWindow, __screenContext);
if (rc)
{
perror("screen_create_window");
goto error;
}
// Set/get any window properties.
rc = screen_set_window_property_iv(__screenWindow, SCREEN_PROPERTY_FORMAT, &screenFormat);
if (rc)
{
perror("screen_set_window_property_iv(SCREEN_PROPERTY_FORMAT)");
goto error;
}
rc = screen_set_window_property_iv(__screenWindow, SCREEN_PROPERTY_USAGE, &screenUsage);
if (rc)
{
perror("screen_set_window_property_iv(SCREEN_PROPERTY_USAGE)");
goto error;
}
if (width_str && height_str)
{
__screenWindowSize[0] = atoi(width_str);
__screenWindowSize[1] = atoi(height_str);
}
else
{
screen_display_t screen_display;
rc = screen_get_window_property_pv(__screenWindow, SCREEN_PROPERTY_DISPLAY, (void **)&screen_display);
if (rc)
{
perror("screen_get_window_property_pv(SCREEN_PROPERTY_DISPLAY)");
goto error;
}
screen_display_mode_t screen_mode;
rc = screen_get_display_property_pv(screen_display, SCREEN_PROPERTY_MODE, (void**)&screen_mode);
if (rc)
{
perror("screen_get_display_property_pv(SCREEN_PROPERTY_MODE)");
goto error;
}
int size[2];
rc = screen_get_window_property_iv(__screenWindow, SCREEN_PROPERTY_BUFFER_SIZE, size);
if (rc)
{
perror("screen_get_window_property_iv(SCREEN_PROPERTY_BUFFER_SIZE)");
goto error;
}
__screenWindowSize[0] = size[0];
__screenWindowSize[1] = size[1];
if ((__orientationAngle == 0) || (__orientationAngle == 180))
{
if (((screen_mode.width > screen_mode.height) && (size[0] < size[1])) ||
((screen_mode.width < screen_mode.height) && (size[0] > size[1])))
{
__screenWindowSize[1] = size[0];
__screenWindowSize[0] = size[1];
}
}
else if ((__orientationAngle == 90) || (__orientationAngle == 270))
{
if (((screen_mode.width > screen_mode.height) && (size[0] > size[1])) ||
((screen_mode.width < screen_mode.height) && (size[0] < size[1])))
{
__screenWindowSize[1] = size[0];
__screenWindowSize[0] = size[1];
}
}
else
{
perror("Navigator returned an unexpected orientation angle.");
goto error;
}
rc = screen_set_window_property_iv(__screenWindow, SCREEN_PROPERTY_ROTATION, &__orientationAngle);
if (rc)
{
perror("screen_set_window_property_iv(SCREEN_PROPERTY_ROTATION)");
goto error;
}
}
rc = screen_set_window_property_iv(__screenWindow, SCREEN_PROPERTY_BUFFER_SIZE, __screenWindowSize);
if (rc)
{
perror("screen_set_window_property_iv(SCREEN_PROPERTY_BUFFER_SIZE)");
goto error;
}
if (windowPosition[0] != 0 || windowPosition[1] != 0)
{
rc = screen_set_window_property_iv(__screenWindow, SCREEN_PROPERTY_POSITION, windowPosition);
if (rc)
{
perror("screen_set_window_property_iv(SCREEN_PROPERTY_POSITION)");
goto error;
}
}
rc = screen_set_window_property_iv(__screenWindow, SCREEN_PROPERTY_TRANSPARENCY, &screenTransparency);
if (rc)
{
perror("screen_set_window_property_iv(SCREEN_PROPERTY_TRANSPARENCY)");
goto error;
}
// Double buffered.
rc = screen_create_window_buffers(__screenWindow, 2);
if (rc)
{
perror("screen_create_window_buffers");
goto error;
}
// Create screen event object.
rc = screen_create_event(&__screenEvent);
if (rc)
{
perror("screen_create_event");
goto error;
}
// Request screen events.
screen_request_events(__screenContext);
// Get the EGL display and initialize.
__eglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (__eglDisplay == EGL_NO_DISPLAY)
{
perror("eglGetDisplay");
goto error;
}
if (eglInitialize(__eglDisplay, NULL, NULL) != EGL_TRUE)
{
perror("eglInitialize");
goto error;
}
if (eglChooseConfig(__eglDisplay, eglConfigAttrs, &__eglConfig, 1, &eglConfigCount) != EGL_TRUE || eglConfigCount == 0)
{
bool success = false;
while (samples)
{
// Try lowering the MSAA sample count until we find a supported config
GP_WARN("Failed to find a valid EGL configuration with EGL samples=%d. Trying samples=%d instead.", samples, samples/2);
samples /= 2;
eglConfigAttrs[1] = samples > 0 ? 1 : 0;
eglConfigAttrs[3] = samples;
if (eglChooseConfig(__eglDisplay, eglConfigAttrs, &__eglConfig, 1, &eglConfigCount) == EGL_TRUE && eglConfigCount > 0)
{
success = true;
break;
}
}
if (!success)
{
checkErrorEGL("eglChooseConfig");
goto error;
}
}
__eglContext = eglCreateContext(__eglDisplay, __eglConfig, EGL_NO_CONTEXT, eglContextAttrs);
if (__eglContext == EGL_NO_CONTEXT)
{
checkErrorEGL("eglCreateContext");
goto error;
}
__eglSurface = eglCreateWindowSurface(__eglDisplay, __eglConfig, __screenWindow, eglSurfaceAttrs);
if (__eglSurface == EGL_NO_SURFACE)
{
checkErrorEGL("eglCreateWindowSurface");
goto error;
}
if (eglMakeCurrent(__eglDisplay, __eglSurface, __eglSurface, __eglContext) != EGL_TRUE)
{
checkErrorEGL("eglMakeCurrent");
goto error;
}
// Set vsync.
eglSwapInterval(__eglDisplay, screenSwapInterval);
// Initialize OpenGL ES extensions.
__glExtensions = (const char*)glGetString(GL_EXTENSIONS);
if (strstr(__glExtensions, "GL_OES_vertex_array_object") || strstr(__glExtensions, "GL_ARB_vertex_array_object"))
{
glBindVertexArray = (PFNGLBINDVERTEXARRAYOESPROC)eglGetProcAddress("glBindVertexArrayOES");
glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSOESPROC)eglGetProcAddress("glDeleteVertexArraysOES");
glGenVertexArrays = (PFNGLGENVERTEXARRAYSOESPROC)eglGetProcAddress("glGenVertexArraysOES");
glIsVertexArray = (PFNGLISVERTEXARRAYOESPROC)eglGetProcAddress("glIsVertexArrayOES");
}
return platform;
error:
// TODO: cleanup
return NULL;
}