diff options
Diffstat (limited to 'src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx')
| -rw-r--r-- | src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx | 149 |
1 files changed, 114 insertions, 35 deletions
diff --git a/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx b/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx index 670c998f9..0e75a28b7 100644 --- a/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx +++ b/src/drivers/PicoAndroid/Fl_PicoAndroid_Screen_Driver.cxx @@ -16,13 +16,12 @@ // http://www.fltk.org/str.php // +// http://developer.android.com/ndk/reference/group___native_activity.html + #include "../../config_lib.h" #include "Fl_PicoAndroid_Screen_Driver.H" -#include <EGL/egl.h> -#include <GLES/gl.h> - #include <FL/x.H> #include <FL/Fl.H> #include <FL/Fl_Window.H> @@ -30,12 +29,115 @@ #include <FL/Fl_Window_Driver.H> #include <FL/Fl_Image_Surface.H> #include <FL/Fl_Graphics_Driver.H> +#include <FL/fl_draw.h> #define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "native-activity", __VA_ARGS__)) #define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "native-activity", __VA_ARGS__)) +void Fl_PicoAndroid_Screen_Driver::initDisplay() +{ + // initialize OpenGL ES and EGL + + /* + * Here specify the attributes of the desired configuration. + * Below, we select an EGLConfig with at least 8 bits per color + * component compatible with on-screen windows + */ + const EGLint attribs[] = { + EGL_SURFACE_TYPE, EGL_WINDOW_BIT, + EGL_BLUE_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_RED_SIZE, 8, + EGL_NONE + }; + EGLint w, h, dummy, format; + EGLint numConfigs; + EGLConfig config; + EGLSurface surface; + EGLContext context; + + EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); + + eglInitialize(display, 0, 0); + + /* Here, the application chooses the configuration it desires. In this + * sample, we have a very simplified selection process, where we pick + * the first EGLConfig that matches our criteria */ + eglChooseConfig(display, attribs, &config, 1, &numConfigs); + + /* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is + * guaranteed to be accepted by ANativeWindow_setBuffersGeometry(). + * As soon as we picked a EGLConfig, we can safely reconfigure the + * ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */ + eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format); + + ANativeWindow_setBuffersGeometry(pApp->window, 0, 0, format); + + surface = eglCreateWindowSurface(display, config, pApp->window, NULL); + context = eglCreateContext(display, config, NULL, NULL); + + if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) { + LOGW("Unable to eglMakeCurrent"); + return; + } + + eglQuerySurface(display, surface, EGL_WIDTH, &w); + eglQuerySurface(display, surface, EGL_HEIGHT, &h); + + this->pDisplay = display; + pContext = context; + pSurface = surface; + pWidth = w; + pHeight = h; + + // Initialize GL state. + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); + glEnable(GL_CULL_FACE); + glShadeModel(GL_SMOOTH); + glDisable(GL_DEPTH_TEST); + + glViewport(0, 100, w, h-200); + + // make adjustments for screen ratio + float ratio = 3.0 * (float) w / h; + glMatrixMode(GL_PROJECTION); // set matrix to projection mode + glLoadIdentity(); // reset the matrix to its default state + // glFrustumf(-ratio, ratio, -3, 3, 3, 30); // apply the projection matrix + glOrthof(0, w/3, h/3, 0, -30, 30); // apply the projection matrix + glLineWidth(3); +} + + +void Fl_PicoAndroid_Screen_Driver::termDisplay() +{ + if (pDisplay != EGL_NO_DISPLAY) { + eglMakeCurrent(pDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + if (pContext != EGL_NO_CONTEXT) { + eglDestroyContext(pDisplay, pContext); + } + if (pSurface != EGL_NO_SURFACE) { + eglDestroySurface(pDisplay, pSurface); + } + eglTerminate(pDisplay); + } + pDisplay = EGL_NO_DISPLAY; + pContext = EGL_NO_CONTEXT; + pSurface = EGL_NO_SURFACE; +} + + +void Fl_PicoAndroid_Screen_Driver::drawFrame() +{ + if (pDisplay == NULL) { + return; + } + eglSwapBuffers(pDisplay, pSurface); + LOGI("Swapping buffers"); +} + + void Fl_PicoAndroid_Screen_Driver::handleAppCmdCB(struct android_app* app, int32_t cmd) { Fl_PicoAndroid_Screen_Driver *This = (Fl_PicoAndroid_Screen_Driver*)(app->userData); @@ -56,14 +158,14 @@ void Fl_PicoAndroid_Screen_Driver::handleAppCmd(struct android_app* app, int32_t break; case APP_CMD_INIT_WINDOW: // The window is being shown, get it ready. -// if (engine->app->window != NULL) { -// engine_init_display(engine); -// engine_draw_frame(engine); -// } + if (pApp->window != NULL) { + initDisplay(); + drawFrame(); + } break; case APP_CMD_TERM_WINDOW: // The window is being hidden or closed, clean it up. -// engine_term_display(engine); + termDisplay(); break; case APP_CMD_GAINED_FOCUS: // When our app gains focus, we start monitoring the accelerometer. @@ -103,6 +205,7 @@ int32_t Fl_PicoAndroid_Screen_Driver::handleInputEvent(struct android_app* app, int x = AMotionEvent_getX(event, 0); int y = AMotionEvent_getY(event, 0); LOGI("Motion at %d, %d", x, y); + Fl_X::first->w->redraw(); return 1; } return 0; @@ -222,6 +325,9 @@ Fl_Screen_Driver* Fl_Screen_Driver::newScreenDriver() Fl_PicoAndroid_Screen_Driver::Fl_PicoAndroid_Screen_Driver() { + pDisplay = EGL_NO_DISPLAY; + pContext = EGL_NO_CONTEXT; + pSurface = EGL_NO_SURFACE; } Fl_PicoAndroid_Screen_Driver::~Fl_PicoAndroid_Screen_Driver() @@ -232,33 +338,6 @@ Fl_PicoAndroid_Screen_Driver::~Fl_PicoAndroid_Screen_Driver() double Fl_PicoAndroid_Screen_Driver::wait(double time_to_wait) { Fl::flush(); -// SDL_Event e; -// if (SDL_PollEvent(&e)) { -// switch (e.type) { -// case SDL_QUIT: -// exit(0); -// case SDL_WINDOWEVENT_EXPOSED: -// case SDL_WINDOWEVENT_SHOWN: -// { // not happening! -// //event->window.windowID -// Fl_Window *window = Fl::first_window(); -// if ( !window ) break;; -// Fl_X *i = Fl_X::i(Fl::first_window()); -// i->wait_for_expose = 0; -// -// if ( i->region ) { -// XDestroyRegion(i->region); -// i->region = 0; -// } -// window->clear_damage(FL_DAMAGE_ALL); -// i->flush(); -// window->clear_damage(); -// Fl_X::first->wait_for_expose = 0; -// } -// break; -// -// } -// } // Read all pending events. int ident; int events; |