int
MIR_CreateWindowFramebuffer(_THIS, SDL_Window* window, Uint32* format,
void** pixels, int* pitch)
{
MIR_Data* mir_data = _this->driverdata;
MIR_Window* mir_window;
MirSurfaceParameters surfaceparm;
if (MIR_CreateWindow(_this, window) < 0)
return SDL_SetError("Failed to created a mir window.");
mir_window = window->driverdata;
MIR_mir_surface_get_parameters(mir_window->surface, &surfaceparm);
*format = MIR_GetSDLPixelFormat(surfaceparm.pixel_format);
if (*format == SDL_PIXELFORMAT_UNKNOWN)
return SDL_SetError("Unknown pixel format");
*pitch = (((window->w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3);
*pixels = SDL_malloc(window->h*(*pitch));
if (*pixels == NULL)
return SDL_OutOfMemory();
mir_window->surface = MIR_mir_connection_create_surface_sync(mir_data->connection, &surfaceparm);
if (!MIR_mir_surface_is_valid(mir_window->surface)) {
const char* error = MIR_mir_surface_get_error_message(mir_window->surface);
return SDL_SetError("Failed to created a mir surface: %s", error);
}
return 0;
}
int
IsSurfaceValid(MIR_Window* mir_window)
{
if (!MIR_mir_surface_is_valid(mir_window->surface)) {
const char* error = MIR_mir_surface_get_error_message(mir_window->surface);
return SDL_SetError("Failed to created a mir surface: %s", error);
}
return 0;
}
int
MIR_CreateWindow(_THIS, SDL_Window* window)
{
MIR_Window* mir_window;
MIR_Data* mir_data;
MirSurfaceParameters surfaceparm =
{
.name = "MirSurface",
.width = window->w,
.height = window->h,
.pixel_format = mir_pixel_format_invalid,
.buffer_usage = mir_buffer_usage_hardware,
.output_id = mir_display_output_id_invalid
};
MirEventDelegate delegate = {
MIR_HandleInput,
window
};
mir_window = SDL_calloc(1, sizeof(MIR_Window));
if (!mir_window)
return SDL_OutOfMemory();
mir_data = _this->driverdata;
window->driverdata = mir_window;
if (mir_data->software)
surfaceparm.buffer_usage = mir_buffer_usage_software;
if (window->x == SDL_WINDOWPOS_UNDEFINED)
window->x = 0;
if (window->y == SDL_WINDOWPOS_UNDEFINED)
window->y = 0;
mir_window->mir_data = mir_data;
mir_window->sdl_window = window;
surfaceparm.pixel_format = FindValidPixelFormat(mir_data);
if (surfaceparm.pixel_format == mir_pixel_format_invalid) {
return SDL_SetError("Failed to find a valid pixel format.");
}
mir_window->surface = MIR_mir_connection_create_surface_sync(mir_data->connection, &surfaceparm);
if (!MIR_mir_surface_is_valid(mir_window->surface)) {
const char* error = MIR_mir_surface_get_error_message(mir_window->surface);
return SDL_SetError("Failed to created a mir surface: %s", error);
}
if (window->flags & SDL_WINDOW_OPENGL) {
EGLNativeWindowType egl_native_window =
(EGLNativeWindowType)MIR_mir_surface_get_egl_native_window(mir_window->surface);
mir_window->egl_surface = SDL_EGL_CreateSurface(_this, egl_native_window);
if (mir_window->egl_surface == EGL_NO_SURFACE) {
return SDL_SetError("Failed to created a window surface %p",
_this->egl_data->egl_display);
}
}
else {
mir_window->egl_surface = EGL_NO_SURFACE;
}
MIR_mir_surface_set_event_handler(mir_window->surface, &delegate);
return 0;
}
void
MIR_DestroyWindow(_THIS, SDL_Window* window)
{
MIR_Data* mir_data = _this->driverdata;
MIR_Window* mir_window = window->driverdata;
if (mir_data) {
SDL_EGL_DestroySurface(_this, mir_window->egl_surface);
MIR_mir_surface_release_sync(mir_window->surface);
SDL_free(mir_window);
}
window->driverdata = NULL;
}
int
MIR_CreateWindow(_THIS, SDL_Window* window)
{
MIR_Window* mir_window;
MIR_Data* mir_data;
MirPixelFormat pixel_format;
MirBufferUsage buffer_usage;
MirSurfaceSpec* spec;
mir_window = SDL_calloc(1, sizeof(MIR_Window));
if (!mir_window)
return SDL_OutOfMemory();
mir_data = _this->driverdata;
window->driverdata = mir_window;
if (window->x == SDL_WINDOWPOS_UNDEFINED)
window->x = 0;
if (window->y == SDL_WINDOWPOS_UNDEFINED)
window->y = 0;
mir_window->mir_data = mir_data;
mir_window->sdl_window = window;
if (window->flags & SDL_WINDOW_OPENGL) {
pixel_format = MIR_mir_connection_get_egl_pixel_format(mir_data->connection,
_this->egl_data->egl_display,
_this->egl_data->egl_config);
}
else {
pixel_format = FindValidPixelFormat(mir_data);
}
mir_data->pixel_format = pixel_format;
if (pixel_format == mir_pixel_format_invalid) {
return SDL_SetError("Failed to find a valid pixel format.");
}
buffer_usage = mir_buffer_usage_hardware;
if (mir_data->software)
buffer_usage = mir_buffer_usage_software;
spec = MIR_mir_connection_create_spec_for_normal_surface(mir_data->connection,
window->w,
window->h,
pixel_format);
MIR_mir_surface_spec_set_buffer_usage(spec, buffer_usage);
MIR_mir_surface_spec_set_name(spec, "Mir surface");
if (window->flags & SDL_WINDOW_INPUT_FOCUS)
SDL_SetKeyboardFocus(window);
mir_window->surface = MIR_mir_surface_create_sync(spec);
MIR_mir_surface_set_event_handler(mir_window->surface, MIR_HandleEvent, window);
MIR_mir_surface_spec_release(spec);
if (!MIR_mir_surface_is_valid(mir_window->surface)) {
return SDL_SetError("Failed to created a mir surface: %s",
MIR_mir_surface_get_error_message(mir_window->surface));
}
if (window->flags & SDL_WINDOW_OPENGL) {
EGLNativeWindowType egl_native_window =
(EGLNativeWindowType)MIR_mir_buffer_stream_get_egl_native_window(
MIR_mir_surface_get_buffer_stream(mir_window->surface));
mir_window->egl_surface = SDL_EGL_CreateSurface(_this, egl_native_window);
if (mir_window->egl_surface == EGL_NO_SURFACE) {
return SDL_SetError("Failed to created a window surface %p",
_this->egl_data->egl_display);
}
}
else {
mir_window->egl_surface = EGL_NO_SURFACE;
}
mir_data->current_window = mir_window;
return 0;
}