Ejemplos de gfx_ctx_emscripten_destroy en C++ (Cpp)

Ejemplo n.º 1

Archivo: emscriptenegl_ctx.c Proyecto: SuperrSonic/RA-SS

static bool gfx_ctx_emscripten_init(void *data)
{
   (void)data;
   EGLint width;
   EGLint height;

   RARCH_LOG("[EMSCRIPTEN/EGL]: Initializing...\n");
   if (g_inited)
   {
      RARCH_LOG("[EMSCRIPTEN/EGL]: Attempted to re-initialize driver.\n");
      return true;
   }

   EGLint num_config;

   static const EGLint attribute_list[] =
   {
      EGL_RED_SIZE, 8,
      EGL_GREEN_SIZE, 8,
      EGL_BLUE_SIZE, 8,
      EGL_ALPHA_SIZE, 8,
      EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
      EGL_NONE
   };

   static const EGLint context_attributes[] =
   {
      EGL_CONTEXT_CLIENT_VERSION, 2,
      EGL_NONE
   };

   // get an EGL display connection
   g_egl_dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
   if (!g_egl_dpy)
      goto error;

   // initialize the EGL display connection
   if (!eglInitialize(g_egl_dpy, NULL, NULL))
      goto error;

   // get an appropriate EGL frame buffer configuration
   if (!eglChooseConfig(g_egl_dpy, attribute_list, &g_config, 1, &num_config))
      goto error;

   // create an EGL rendering context
   g_egl_ctx = eglCreateContext(g_egl_dpy, g_config, EGL_NO_CONTEXT, context_attributes);
   if (!g_egl_ctx)
      goto error;

   // create an EGL window surface
   g_egl_surf = eglCreateWindowSurface(g_egl_dpy, g_config, 0, NULL);
   if (!g_egl_surf)
      goto error;

   // connect the context to the surface
   if (!eglMakeCurrent(g_egl_dpy, g_egl_surf, g_egl_surf, g_egl_ctx))
      goto error;

   eglQuerySurface(g_egl_dpy, g_egl_surf, EGL_WIDTH, &width);
   eglQuerySurface(g_egl_dpy, g_egl_surf, EGL_HEIGHT, &height);
   g_fb_width = width;
   g_fb_height = height;
   RARCH_LOG("[EMSCRIPTEN/EGL]: Dimensions: %ux%u\n", width, height);

   return true;

error:
   gfx_ctx_emscripten_destroy(data);
   return false;
}

Ejemplo n.º 2

Archivo: emscriptenegl_ctx.c Proyecto: AlexFolland/RetroArch

static void *gfx_ctx_emscripten_init(void *video_driver)
{
#ifdef HAVE_EGL
   unsigned width, height;
   EGLint major, minor;
   EGLint n;
   static const EGLint attribute_list[] =
   {
      EGL_RED_SIZE, 8,
      EGL_GREEN_SIZE, 8,
      EGL_BLUE_SIZE, 8,
      EGL_ALPHA_SIZE, 8,
      EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
      EGL_NONE
   };
   static const EGLint context_attributes[] =
   {
      EGL_CONTEXT_CLIENT_VERSION, 2,
      EGL_NONE
   };
#endif
   emscripten_ctx_data_t *emscripten = (emscripten_ctx_data_t*)
      calloc(1, sizeof(*emscripten));

   if (!emscripten)
      return NULL;

   (void)video_driver;

#ifdef HAVE_EGL
   if (g_egl_inited)
   {
      RARCH_LOG("[EMSCRIPTEN/EGL]: Attempted to re-initialize driver.\n");
      return (void*)"emscripten";
   }

   if (!egl_init_context(&emscripten->egl, EGL_DEFAULT_DISPLAY,
            &major, &minor, &n, attribute_list))
   {
      egl_report_error();
      goto error;
   }

   if (!egl_create_context(&emscripten->egl, context_attributes))
   {
      egl_report_error();
      goto error;
   }

   if (!egl_create_surface(&emscripten->egl, 0))
      goto error;

   egl_get_video_size(&emscripten->egl, &width, &height);

   emscripten->fb_width  = width;
   emscripten->fb_height = height;
   RARCH_LOG("[EMSCRIPTEN/EGL]: Dimensions: %ux%u\n", width, height);
#endif

   return emscripten;

error:
   gfx_ctx_emscripten_destroy(video_driver);
   return NULL;
}