diff options
Diffstat (limited to 'source/3rd-party/SDL2/src/video/mir/SDL_mirwindow.c')
| -rw-r--r-- | source/3rd-party/SDL2/src/video/mir/SDL_mirwindow.c | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/video/mir/SDL_mirwindow.c b/source/3rd-party/SDL2/src/video/mir/SDL_mirwindow.c new file mode 100644 index 0000000..80877ee --- /dev/null +++ b/source/3rd-party/SDL2/src/video/mir/SDL_mirwindow.c @@ -0,0 +1,374 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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 create 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 create 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 create 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: */ |