| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| |
| /* |
| Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com> |
| */ |
| |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_MIR |
| |
| #include "../SDL_egl_c.h" |
| #include "../SDL_sysvideo.h" |
| #include "../../events/SDL_keyboard_c.h" |
| |
| #include "SDL_mirevents.h" |
| #include "SDL_mirwindow.h" |
| |
| #include "SDL_mirdyn.h" |
| |
| static int |
| IsMirWindowValid(MIR_Window* mir_window) |
| { |
| if (!MIR_mir_window_is_valid(mir_window->window)) { |
| const char* error = MIR_mir_window_get_error_message(mir_window->window); |
| return SDL_SetError("Failed to created a mir surface: %s", error); |
| } |
| |
| return 1; |
| } |
| |
| static MirPixelFormat |
| FindValidPixelFormat(MIR_Data* mir_data) |
| { |
| unsigned int pf_size = 32; |
| unsigned int valid_formats; |
| unsigned int f; |
| |
| MirPixelFormat formats[pf_size]; |
| MIR_mir_connection_get_available_surface_formats(mir_data->connection, formats, |
| pf_size, &valid_formats); |
| |
| for (f = 0; f < valid_formats; f++) { |
| MirPixelFormat cur_pf = formats[f]; |
| |
| if (cur_pf == mir_pixel_format_abgr_8888 || |
| cur_pf == mir_pixel_format_xbgr_8888 || |
| cur_pf == mir_pixel_format_argb_8888 || |
| cur_pf == mir_pixel_format_xrgb_8888) { |
| |
| return cur_pf; |
| } |
| } |
| |
| return mir_pixel_format_invalid; |
| } |
| |
| int |
| MIR_CreateWindow(_THIS, SDL_Window* window) |
| { |
| MIR_Window* mir_window; |
| MIR_Data* mir_data; |
| MirPixelFormat pixel_format; |
| MirBufferUsage buffer_usage; |
| |
| MirWindowSpec* 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_create_normal_window_spec(mir_data->connection, |
| window->w, |
| window->h); |
| |
| MIR_mir_window_spec_set_buffer_usage(spec, buffer_usage); |
| MIR_mir_window_spec_set_name(spec, "Mir surface"); |
| MIR_mir_window_spec_set_pixel_format(spec, pixel_format); |
| |
| if (window->flags & SDL_WINDOW_INPUT_FOCUS) |
| SDL_SetKeyboardFocus(window); |
| |
| mir_window->window = MIR_mir_create_window_sync(spec); |
| MIR_mir_window_set_event_handler(mir_window->window, MIR_HandleEvent, window); |
| |
| MIR_mir_window_spec_release(spec); |
| |
| if (!MIR_mir_window_is_valid(mir_window->window)) { |
| return SDL_SetError("Failed to created a mir surface: %s", |
| MIR_mir_window_get_error_message(mir_window->window)); |
| } |
| |
| if (window->flags & SDL_WINDOW_OPENGL) { |
| EGLNativeWindowType egl_native_window = |
| (EGLNativeWindowType)MIR_mir_buffer_stream_get_egl_native_window( |
| MIR_mir_window_get_buffer_stream(mir_window->window)); |
| |
| 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; |
| } |
| |
| 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_window_release_sync(mir_window->window); |
| |
| mir_data->current_window = NULL; |
| |
| SDL_free(mir_window); |
| } |
| window->driverdata = NULL; |
| } |
| |
| SDL_bool |
| MIR_GetWindowWMInfo(_THIS, SDL_Window* window, SDL_SysWMinfo* info) |
| { |
| if (info->version.major == SDL_MAJOR_VERSION && |
| info->version.minor == SDL_MINOR_VERSION) { |
| MIR_Window* mir_window = window->driverdata; |
| |
| info->subsystem = SDL_SYSWM_MIR; |
| info->info.mir.connection = mir_window->mir_data->connection; |
| // Cannot change this to window due to it being in the public API |
| info->info.mir.surface = mir_window->window; |
| |
| return SDL_TRUE; |
| } |
| |
| return SDL_FALSE; |
| } |
| |
| static void |
| UpdateMirWindowState(MIR_Data* mir_data, MIR_Window* mir_window, MirWindowState window_state) |
| { |
| if (IsMirWindowValid(mir_window)) { |
| MirWindowSpec* spec = MIR_mir_create_window_spec(mir_data->connection); |
| MIR_mir_window_spec_set_state(spec, window_state); |
| |
| MIR_mir_window_apply_spec(mir_window->window, spec); |
| MIR_mir_window_spec_release(spec); |
| } |
| } |
| |
| void |
| MIR_SetWindowFullscreen(_THIS, SDL_Window* window, |
| SDL_VideoDisplay* display, |
| SDL_bool fullscreen) |
| { |
| if (IsMirWindowValid(window->driverdata)) { |
| MirWindowState state; |
| |
| if (fullscreen) { |
| state = mir_window_state_fullscreen; |
| } |
| else { |
| state = mir_window_state_restored; |
| } |
| |
| UpdateMirWindowState(_this->driverdata, window->driverdata, state); |
| } |
| } |
| |
| void |
| MIR_MaximizeWindow(_THIS, SDL_Window* window) |
| { |
| UpdateMirWindowState(_this->driverdata, window->driverdata, mir_window_state_maximized); |
| } |
| |
| void |
| MIR_MinimizeWindow(_THIS, SDL_Window* window) |
| { |
| UpdateMirWindowState(_this->driverdata, window->driverdata, mir_window_state_minimized); |
| } |
| |
| void |
| MIR_RestoreWindow(_THIS, SDL_Window * window) |
| { |
| UpdateMirWindowState(_this->driverdata, window->driverdata, mir_window_state_restored); |
| } |
| |
| void |
| MIR_HideWindow(_THIS, SDL_Window* window) |
| { |
| UpdateMirWindowState(_this->driverdata, window->driverdata, mir_window_state_hidden); |
| } |
| |
| void |
| MIR_SetWindowSize(_THIS, SDL_Window* window) |
| { |
| MIR_Data* mir_data = _this->driverdata; |
| MIR_Window* mir_window = window->driverdata; |
| |
| if (IsMirWindowValid(mir_window)) { |
| MirWindowSpec* spec = MIR_mir_create_window_spec(mir_data->connection); |
| MIR_mir_window_spec_set_width (spec, window->w); |
| MIR_mir_window_spec_set_height(spec, window->h); |
| |
| MIR_mir_window_apply_spec(mir_window->window, spec); |
| } |
| } |
| |
| void |
| MIR_SetWindowMinimumSize(_THIS, SDL_Window* window) |
| { |
| MIR_Data* mir_data = _this->driverdata; |
| MIR_Window* mir_window = window->driverdata; |
| |
| if (IsMirWindowValid(mir_window)) { |
| MirWindowSpec* spec = MIR_mir_create_window_spec(mir_data->connection); |
| MIR_mir_window_spec_set_min_width (spec, window->min_w); |
| MIR_mir_window_spec_set_min_height(spec, window->min_h); |
| |
| MIR_mir_window_apply_spec(mir_window->window, spec); |
| } |
| } |
| |
| void |
| MIR_SetWindowMaximumSize(_THIS, SDL_Window* window) |
| { |
| MIR_Data* mir_data = _this->driverdata; |
| MIR_Window* mir_window = window->driverdata; |
| |
| if (IsMirWindowValid(mir_window)) { |
| MirWindowSpec* spec = MIR_mir_create_window_spec(mir_data->connection); |
| MIR_mir_window_spec_set_max_width (spec, window->max_w); |
| MIR_mir_window_spec_set_max_height(spec, window->max_h); |
| |
| MIR_mir_window_apply_spec(mir_window->window, spec); |
| } |
| } |
| |
| void |
| MIR_SetWindowTitle(_THIS, SDL_Window* window) |
| { |
| MIR_Data* mir_data = _this->driverdata; |
| MIR_Window* mir_window = window->driverdata; |
| char const* title = window->title ? window->title : ""; |
| MirWindowSpec* spec; |
| |
| if (IsMirWindowValid(mir_window) < 0) |
| return; |
| |
| spec = MIR_mir_create_window_spec(mir_data->connection); |
| MIR_mir_window_spec_set_name(spec, title); |
| |
| MIR_mir_window_apply_spec(mir_window->window, spec); |
| MIR_mir_window_spec_release(spec); |
| } |
| |
| void |
| MIR_SetWindowGrab(_THIS, SDL_Window* window, SDL_bool grabbed) |
| { |
| MIR_Data* mir_data = _this->driverdata; |
| MIR_Window* mir_window = window->driverdata; |
| MirPointerConfinementState confined = mir_pointer_unconfined; |
| MirWindowSpec* spec; |
| |
| if (grabbed) |
| confined = mir_pointer_confined_to_window; |
| |
| spec = MIR_mir_create_window_spec(mir_data->connection); |
| MIR_mir_window_spec_set_pointer_confinement(spec, confined); |
| |
| MIR_mir_window_apply_spec(mir_window->window, spec); |
| MIR_mir_window_spec_release(spec); |
| } |
| |
| int |
| MIR_SetWindowGammaRamp(_THIS, SDL_Window* window, Uint16 const* ramp) |
| { |
| MirOutput* output = SDL_GetDisplayForWindow(window)->driverdata; |
| Uint32 ramp_size = 256; |
| |
| // FIXME Need to apply the changes to the output, once that public API function is around |
| if (MIR_mir_output_is_gamma_supported(output) == mir_output_gamma_supported) { |
| MIR_mir_output_set_gamma(output, |
| ramp + ramp_size * 0, |
| ramp + ramp_size * 1, |
| ramp + ramp_size * 2, |
| ramp_size); |
| return 0; |
| } |
| |
| return -1; |
| } |
| |
| int |
| MIR_GetWindowGammaRamp(_THIS, SDL_Window* window, Uint16* ramp) |
| { |
| MirOutput* output = SDL_GetDisplayForWindow(window)->driverdata; |
| Uint32 ramp_size = 256; |
| |
| if (MIR_mir_output_is_gamma_supported(output) == mir_output_gamma_supported) { |
| if (MIR_mir_output_get_gamma_size(output) == ramp_size) { |
| MIR_mir_output_get_gamma(output, |
| ramp + ramp_size * 0, |
| ramp + ramp_size * 1, |
| ramp + ramp_size * 2, |
| ramp_size); |
| return 0; |
| } |
| } |
| |
| return -1; |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_MIR */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |
