mirror of https://github.com/buggins/dlangui.git
android support refactoring #119
This commit is contained in:
Vadim Lopatin
parent
2325d3e4df
commit
e633218cb5
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@ -99,7 +99,7 @@ class AndroidPlatform : Platform {
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this(android_app* state) {
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_appstate = state;
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memset(&_engine, 0, engine.sizeof);
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state.userData = &_engine;
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state.userData = cast(void*)this;
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state.onAppCmd = &engine_handle_cmd;
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state.onInputEvent = &engine_handle_input;
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_engine.app = state;
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@ -119,7 +119,174 @@ class AndroidPlatform : Platform {
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}
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~this() {
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engine_term_display(&_engine);
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engine_term_display();
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}
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/**
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* Initialize an EGL context for the current display.
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*/
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int engine_init_display() {
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// initialize OpenGL ES and EGL
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/*
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* Here specify the attributes of the desired configuration.
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* Below, we select an EGLConfig with at least 8 bits per color
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* component compatible with on-screen windows
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*/
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const(EGLint)[9] attribs = [
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_NONE
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];
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EGLint w, h, dummy, format;
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EGLint numConfigs;
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EGLConfig config;
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EGLSurface surface;
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EGLContext context;
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EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(display, null, null);
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/* Here, the application chooses the configuration it desires. In this
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* sample, we have a very simplified selection process, where we pick
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* the first EGLConfig that matches our criteria */
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eglChooseConfig(display, attribs.ptr, &config, 1, &numConfigs);
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/* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
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* guaranteed to be accepted by ANativeWindow_setBuffersGeometry().
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* As soon as we picked a EGLConfig, we can safely reconfigure the
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* ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
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eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
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ANativeWindow_setBuffersGeometry(_engine.app.window, 0, 0, format);
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surface = eglCreateWindowSurface(display, config, _engine.app.window, null);
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context = eglCreateContext(display, config, null, null);
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if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
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LOGW("Unable to eglMakeCurrent");
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return -1;
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}
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eglQuerySurface(display, surface, EGL_WIDTH, &w);
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eglQuerySurface(display, surface, EGL_HEIGHT, &h);
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_engine.display = display;
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_engine.context = context;
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_engine.surface = surface;
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_engine.width = w;
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_engine.height = h;
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_engine.state.angle = 0;
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// Initialize GL state.
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
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glEnable(GL_CULL_FACE);
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//glShadeModel(GL_SMOOTH);
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glDisable(GL_DEPTH_TEST);
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return 0;
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}
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/**
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* Just the current frame in the display.
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*/
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void engine_draw_frame() {
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if (_engine.display == null) {
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// No display.
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return;
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}
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// Just fill the screen with a color.
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glClearColor(_engine.state.x/_engine.width, _engine.state.angle,
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_engine.state.y/_engine.height, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(_engine.display, _engine.surface);
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}
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/**
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* Tear down the EGL context currently associated with the display.
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*/
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void engine_term_display() {
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if (_engine.display != EGL_NO_DISPLAY) {
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eglMakeCurrent(_engine.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (_engine.context != EGL_NO_CONTEXT) {
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eglDestroyContext(_engine.display, _engine.context);
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}
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if (_engine.surface != EGL_NO_SURFACE) {
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eglDestroySurface(_engine.display, _engine.surface);
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}
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eglTerminate(_engine.display);
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}
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_engine.animating = 0;
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_engine.display = EGL_NO_DISPLAY;
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_engine.context = EGL_NO_CONTEXT;
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_engine.surface = EGL_NO_SURFACE;
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}
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/**
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* Process the next input event.
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*/
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int handle_input(AInputEvent* event) {
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if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
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_engine.animating = 1;
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_engine.state.x = AMotionEvent_getX(event, 0);
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_engine.state.y = AMotionEvent_getY(event, 0);
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return 1;
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}
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return 0;
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}
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/**
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* Process the next main command.
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*/
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void handle_cmd(int cmd) {
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switch (cmd) {
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case APP_CMD_SAVE_STATE:
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// The system has asked us to save our current state. Do so.
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_engine.app.savedState = malloc(saved_state.sizeof);
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*(cast(saved_state*)_engine.app.savedState) = _engine.state;
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_engine.app.savedStateSize = saved_state.sizeof;
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break;
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case APP_CMD_INIT_WINDOW:
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// The window is being shown, get it ready.
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if (_engine.app.window != null) {
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engine_init_display();
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engine_draw_frame();
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}
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break;
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case APP_CMD_TERM_WINDOW:
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// The window is being hidden or closed, clean it up.
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engine_term_display();
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break;
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case APP_CMD_GAINED_FOCUS:
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// When our app gains focus, we start monitoring the accelerometer.
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if (_engine.accelerometerSensor != null) {
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ASensorEventQueue_enableSensor(_engine.sensorEventQueue,
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_engine.accelerometerSensor);
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// We'd like to get 60 events per second (in us).
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ASensorEventQueue_setEventRate(_engine.sensorEventQueue,
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_engine.accelerometerSensor, (1000L/60)*1000);
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}
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break;
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case APP_CMD_LOST_FOCUS:
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// When our app loses focus, we stop monitoring the accelerometer.
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// This is to avoid consuming battery while not being used.
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if (_engine.accelerometerSensor != null) {
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ASensorEventQueue_disableSensor(_engine.sensorEventQueue,
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_engine.accelerometerSensor);
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}
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// Also stop animating.
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_engine.animating = 0;
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engine_draw_frame();
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break;
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default:
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break;
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}
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}
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/**
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@ -207,7 +374,7 @@ class AndroidPlatform : Platform {
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// Drawing is throttled to the screen update rate, so there
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// is no need to do timing here.
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engine_draw_frame(&_engine);
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engine_draw_frame();
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}
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}
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}
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@ -264,172 +431,20 @@ struct engine {
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saved_state state;
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}
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/**
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* Initialize an EGL context for the current display.
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*/
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int engine_init_display(engine* engine) {
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// initialize OpenGL ES and EGL
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/*
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* Here specify the attributes of the desired configuration.
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* Below, we select an EGLConfig with at least 8 bits per color
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* component compatible with on-screen windows
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*/
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const(EGLint)[9] attribs = [
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_NONE
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];
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EGLint w, h, dummy, format;
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EGLint numConfigs;
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EGLConfig config;
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EGLSurface surface;
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EGLContext context;
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EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(display, null, null);
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/* Here, the application chooses the configuration it desires. In this
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* sample, we have a very simplified selection process, where we pick
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* the first EGLConfig that matches our criteria */
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eglChooseConfig(display, attribs.ptr, &config, 1, &numConfigs);
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/* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
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* guaranteed to be accepted by ANativeWindow_setBuffersGeometry().
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* As soon as we picked a EGLConfig, we can safely reconfigure the
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* ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
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eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
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ANativeWindow_setBuffersGeometry(engine.app.window, 0, 0, format);
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surface = eglCreateWindowSurface(display, config, engine.app.window, null);
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context = eglCreateContext(display, config, null, null);
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if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
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LOGW("Unable to eglMakeCurrent");
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return -1;
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}
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eglQuerySurface(display, surface, EGL_WIDTH, &w);
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eglQuerySurface(display, surface, EGL_HEIGHT, &h);
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engine.display = display;
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engine.context = context;
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engine.surface = surface;
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engine.width = w;
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engine.height = h;
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engine.state.angle = 0;
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// Initialize GL state.
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
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glEnable(GL_CULL_FACE);
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//glShadeModel(GL_SMOOTH);
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glDisable(GL_DEPTH_TEST);
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return 0;
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}
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/**
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* Just the current frame in the display.
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*/
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void engine_draw_frame(engine* engine) {
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if (engine.display == null) {
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// No display.
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return;
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}
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// Just fill the screen with a color.
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glClearColor(engine.state.x/engine.width, engine.state.angle,
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engine.state.y/engine.height, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(engine.display, engine.surface);
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}
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/**
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* Tear down the EGL context currently associated with the display.
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*/
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void engine_term_display(engine* engine) {
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if (engine.display != EGL_NO_DISPLAY) {
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eglMakeCurrent(engine.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (engine.context != EGL_NO_CONTEXT) {
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eglDestroyContext(engine.display, engine.context);
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}
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if (engine.surface != EGL_NO_SURFACE) {
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eglDestroySurface(engine.display, engine.surface);
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}
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eglTerminate(engine.display);
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}
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engine.animating = 0;
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engine.display = EGL_NO_DISPLAY;
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engine.context = EGL_NO_CONTEXT;
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engine.surface = EGL_NO_SURFACE;
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}
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/**
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* Process the next input event.
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*/
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extern(C) int engine_handle_input(android_app* app, AInputEvent* event) {
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engine* engine = cast(engine*)app.userData;
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if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
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engine.animating = 1;
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engine.state.x = AMotionEvent_getX(event, 0);
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engine.state.y = AMotionEvent_getY(event, 0);
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return 1;
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}
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return 0;
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AndroidPlatform p = cast(AndroidPlatform)app.userData;
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return p.handle_input(event);
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}
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/**
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* Process the next main command.
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*/
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extern(C) void engine_handle_cmd(android_app* app, int cmd) {
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engine* engine = cast(engine*)app.userData;
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switch (cmd) {
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case APP_CMD_SAVE_STATE:
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// The system has asked us to save our current state. Do so.
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engine.app.savedState = malloc(saved_state.sizeof);
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*(cast(saved_state*)engine.app.savedState) = engine.state;
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engine.app.savedStateSize = saved_state.sizeof;
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break;
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case APP_CMD_INIT_WINDOW:
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// The window is being shown, get it ready.
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if (engine.app.window != null) {
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engine_init_display(engine);
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engine_draw_frame(engine);
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}
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break;
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case APP_CMD_TERM_WINDOW:
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// The window is being hidden or closed, clean it up.
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engine_term_display(engine);
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break;
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case APP_CMD_GAINED_FOCUS:
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// When our app gains focus, we start monitoring the accelerometer.
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if (engine.accelerometerSensor != null) {
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ASensorEventQueue_enableSensor(engine.sensorEventQueue,
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engine.accelerometerSensor);
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// We'd like to get 60 events per second (in us).
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ASensorEventQueue_setEventRate(engine.sensorEventQueue,
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engine.accelerometerSensor, (1000L/60)*1000);
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}
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break;
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case APP_CMD_LOST_FOCUS:
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// When our app loses focus, we stop monitoring the accelerometer.
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// This is to avoid consuming battery while not being used.
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if (engine.accelerometerSensor != null) {
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ASensorEventQueue_disableSensor(engine.sensorEventQueue,
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engine.accelerometerSensor);
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}
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// Also stop animating.
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engine.animating = 0;
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engine_draw_frame(engine);
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break;
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default:
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break;
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}
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AndroidPlatform p = cast(AndroidPlatform)app.userData;
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p.handle_cmd(cmd);
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}
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void main(){}
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