/* Return 1 if we were able to initialize PSPGL successfully. */
int PSP_GL_Init(_THIS)
{
EGLint attribs[32];
EGLDisplay display;
EGLContext context;
EGLSurface surface;
EGLConfig config;
EGLint num_configs;
int i;
/* EGL init taken from glutCreateWindow() in PSPGL's glut.c. */
EGLCHK(display = eglGetDisplay(0));
EGLCHK(eglInitialize(display, NULL, NULL));
/* Setup the config based on SDL's current values. */
i = 0;
attribs[i++] = EGL_RED_SIZE;
attribs[i++] = this->gl_config.red_size;
attribs[i++] = EGL_GREEN_SIZE;
attribs[i++] = this->gl_config.green_size;
attribs[i++] = EGL_BLUE_SIZE;
attribs[i++] = this->gl_config.blue_size;
attribs[i++] = EGL_DEPTH_SIZE;
attribs[i++] = this->gl_config.depth_size;
if (this->gl_config.alpha_size)
{
attribs[i++] = EGL_ALPHA_SIZE;
attribs[i++] = this->gl_config.alpha_size;
}
if (this->gl_config.stencil_size)
{
attribs[i++] = EGL_STENCIL_SIZE;
attribs[i++] = this->gl_config.stencil_size;
}
attribs[i++] = EGL_NONE;
EGLCHK(eglChooseConfig(display, attribs, &config, 1, &num_configs));
if (num_configs == 0)
{
SDL_SetError("No valid EGL configs for requested mode");
return 0;
}
EGLCHK(context = eglCreateContext(display, config, NULL, NULL));
EGLCHK(surface = eglCreateWindowSurface(display, config, 0, NULL));
this->gl_data->display = display;
this->gl_data->context = context;
this->gl_data->surface = surface;
return 1;
}
int glutCreateWindow (const char *title)
{
EGLConfig config;
EGLint num_configs;
atexit(cleanup);
/* pass NativeDisplay=0, we only have one screen... */
EGLCHK(dpy = eglGetDisplay(0));
EGLCHK(eglInitialize(dpy, NULL, NULL));
psp_log("EGL vendor \"%s\"\n", eglQueryString(dpy, EGL_VENDOR));
psp_log("EGL version \"%s\"\n", eglQueryString(dpy, EGL_VERSION));
psp_log("EGL extensions \"%s\"\n", eglQueryString(dpy, EGL_EXTENSIONS));
if (glut_display_mode & GLUT_ALPHA)
attrib_list[7] = 8;
if (glut_display_mode & GLUT_STENCIL)
attrib_list[9] = 8;
if (glut_display_mode & GLUT_DEPTH)
attrib_list[11] = 16;
EGLCHK(eglChooseConfig(dpy, attrib_list, &config, 1, &num_configs));
if (num_configs == 0) {
__pspgl_log("glutCreateWindow: eglChooseConfig returned no configurations for display mode %x\n",
glut_display_mode);
return 0;
}
psp_log("eglChooseConfig() returned config 0x%04x\n", (unsigned int) config);
EGLCHK(eglGetConfigAttrib(dpy, config, EGL_WIDTH, &width));
EGLCHK(eglGetConfigAttrib(dpy, config, EGL_HEIGHT, &height));
EGLCHK(ctx = eglCreateContext(dpy, config, NULL, NULL));
EGLCHK(surface = eglCreateWindowSurface(dpy, config, 0, NULL));
EGLCHK(eglMakeCurrent(dpy, surface, surface, ctx));
return 0;
}
SDL_GLContext
PSP_GL_CreateContext(_THIS, SDL_Window * window)
{
SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
EGLint attribs[32];
EGLDisplay display;
EGLContext context;
EGLSurface surface;
EGLConfig config;
EGLint num_configs;
int i;
/* EGL init taken from glutCreateWindow() in PSPGL's glut.c. */
EGLCHK(display = eglGetDisplay(0));
EGLCHK(eglInitialize(display, NULL, NULL));
wdata->uses_gles = SDL_TRUE;
window->flags |= SDL_WINDOW_FULLSCREEN;
/* Setup the config based on SDL's current values. */
i = 0;
attribs[i++] = EGL_RED_SIZE;
attribs[i++] = _this->gl_config.red_size;
attribs[i++] = EGL_GREEN_SIZE;
attribs[i++] = _this->gl_config.green_size;
attribs[i++] = EGL_BLUE_SIZE;
attribs[i++] = _this->gl_config.blue_size;
attribs[i++] = EGL_DEPTH_SIZE;
attribs[i++] = _this->gl_config.depth_size;
if (_this->gl_config.alpha_size)
{
attribs[i++] = EGL_ALPHA_SIZE;
attribs[i++] = _this->gl_config.alpha_size;
}
if (_this->gl_config.stencil_size)
{
attribs[i++] = EGL_STENCIL_SIZE;
attribs[i++] = _this->gl_config.stencil_size;
}
attribs[i++] = EGL_NONE;
EGLCHK(eglChooseConfig(display, attribs, &config, 1, &num_configs));
if (num_configs == 0)
{
SDL_SetError("No valid EGL configs for requested mode");
return 0;
}
EGLCHK(eglGetConfigAttrib(display, config, EGL_WIDTH, &width));
EGLCHK(eglGetConfigAttrib(display, config, EGL_HEIGHT, &height));
EGLCHK(context = eglCreateContext(display, config, NULL, NULL));
EGLCHK(surface = eglCreateWindowSurface(display, config, 0, NULL));
EGLCHK(eglMakeCurrent(display, surface, surface, context));
_this->gl_data->display = display;
_this->gl_data->context = context;
_this->gl_data->surface = surface;
return context;
}
static
void cleanup (void)
{
EGLCHK(eglTerminate(dpy));
}
void glutSwapBuffers(void)
{
EGLCHK(eglSwapBuffers(dpy, surface));
}
