| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 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. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_NACL |
| |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/c/pp_instance.h" |
| #include "ppapi_simple/ps.h" |
| #include "ppapi_simple/ps_interface.h" |
| #include "ppapi_simple/ps_event.h" |
| #include "nacl_io/nacl_io.h" |
| |
| #include "SDL_naclvideo.h" |
| #include "SDL_naclwindow.h" |
| #include "SDL_naclevents_c.h" |
| #include "SDL_naclopengles.h" |
| #include "SDL_video.h" |
| #include "../SDL_sysvideo.h" |
| #include "../../events/SDL_events_c.h" |
| |
| #define NACLVID_DRIVER_NAME "nacl" |
| |
| /* Static init required because NACL_SetScreenResolution |
| * may appear even before SDL starts and we want to remember |
| * the window width and height |
| */ |
| static SDL_VideoData nacl = {0}; |
| |
| void |
| NACL_SetScreenResolution(int width, int height, Uint32 format) |
| { |
| PP_Resource context; |
| |
| nacl.w = width; |
| nacl.h = height; |
| nacl.format = format; |
| |
| if (nacl.window) { |
| nacl.window->w = width; |
| nacl.window->h = height; |
| SDL_SendWindowEvent(nacl.window, SDL_WINDOWEVENT_RESIZED, width, height); |
| } |
| |
| /* FIXME: Check threading issues...otherwise use a hardcoded _this->context across all threads */ |
| context = (PP_Resource) SDL_GL_GetCurrentContext(); |
| if (context) { |
| PSInterfaceGraphics3D()->ResizeBuffers(context, width, height); |
| } |
| |
| } |
| |
| |
| |
| /* Initialization/Query functions */ |
| static int NACL_VideoInit(_THIS); |
| static void NACL_VideoQuit(_THIS); |
| |
| static int NACL_Available(void) { |
| return PSGetInstanceId() != 0; |
| } |
| |
| static void NACL_DeleteDevice(SDL_VideoDevice *device) { |
| SDL_VideoData *driverdata = (SDL_VideoData*) device->driverdata; |
| driverdata->ppb_core->ReleaseResource((PP_Resource) driverdata->ppb_message_loop); |
| /* device->driverdata is not freed because it points to static memory */ |
| SDL_free(device); |
| } |
| |
| static int |
| NACL_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode) |
| { |
| return 0; |
| } |
| |
| static SDL_VideoDevice *NACL_CreateDevice(int devindex) { |
| SDL_VideoDevice *device; |
| |
| if (!NACL_Available()) { |
| return NULL; |
| } |
| |
| /* Initialize all variables that we clean on shutdown */ |
| device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); |
| if (!device) { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| device->driverdata = &nacl; |
| |
| /* Set the function pointers */ |
| device->VideoInit = NACL_VideoInit; |
| device->VideoQuit = NACL_VideoQuit; |
| device->PumpEvents = NACL_PumpEvents; |
| |
| device->CreateSDLWindow = NACL_CreateWindow; |
| device->SetWindowTitle = NACL_SetWindowTitle; |
| device->DestroyWindow = NACL_DestroyWindow; |
| |
| device->SetDisplayMode = NACL_SetDisplayMode; |
| |
| device->free = NACL_DeleteDevice; |
| |
| /* GL pointers */ |
| device->GL_LoadLibrary = NACL_GLES_LoadLibrary; |
| device->GL_GetProcAddress = NACL_GLES_GetProcAddress; |
| device->GL_UnloadLibrary = NACL_GLES_UnloadLibrary; |
| device->GL_CreateContext = NACL_GLES_CreateContext; |
| device->GL_MakeCurrent = NACL_GLES_MakeCurrent; |
| device->GL_SetSwapInterval = NACL_GLES_SetSwapInterval; |
| device->GL_GetSwapInterval = NACL_GLES_GetSwapInterval; |
| device->GL_SwapWindow = NACL_GLES_SwapWindow; |
| device->GL_DeleteContext = NACL_GLES_DeleteContext; |
| |
| |
| return device; |
| } |
| |
| VideoBootStrap NACL_bootstrap = { |
| NACLVID_DRIVER_NAME, "SDL Native Client Video Driver", |
| NACL_CreateDevice |
| }; |
| |
| int NACL_VideoInit(_THIS) { |
| SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata; |
| SDL_DisplayMode mode; |
| |
| SDL_zero(mode); |
| mode.format = driverdata->format; |
| mode.w = driverdata->w; |
| mode.h = driverdata->h; |
| mode.refresh_rate = 0; |
| mode.driverdata = NULL; |
| if (SDL_AddBasicVideoDisplay(&mode) < 0) { |
| return -1; |
| } |
| |
| SDL_AddDisplayMode(&_this->displays[0], &mode); |
| |
| PSInterfaceInit(); |
| driverdata->instance = PSGetInstanceId(); |
| driverdata->ppb_graphics = PSInterfaceGraphics3D(); |
| driverdata->ppb_message_loop = PSInterfaceMessageLoop(); |
| driverdata->ppb_core = PSInterfaceCore(); |
| driverdata->ppb_fullscreen = PSInterfaceFullscreen(); |
| driverdata->ppb_instance = PSInterfaceInstance(); |
| driverdata->ppb_image_data = PSInterfaceImageData(); |
| driverdata->ppb_view = PSInterfaceView(); |
| driverdata->ppb_var = PSInterfaceVar(); |
| driverdata->ppb_input_event = (PPB_InputEvent*) PSGetInterface(PPB_INPUT_EVENT_INTERFACE); |
| driverdata->ppb_keyboard_input_event = (PPB_KeyboardInputEvent*) PSGetInterface(PPB_KEYBOARD_INPUT_EVENT_INTERFACE); |
| driverdata->ppb_mouse_input_event = (PPB_MouseInputEvent*) PSGetInterface(PPB_MOUSE_INPUT_EVENT_INTERFACE); |
| driverdata->ppb_wheel_input_event = (PPB_WheelInputEvent*) PSGetInterface(PPB_WHEEL_INPUT_EVENT_INTERFACE); |
| driverdata->ppb_touch_input_event = (PPB_TouchInputEvent*) PSGetInterface(PPB_TOUCH_INPUT_EVENT_INTERFACE); |
| |
| |
| driverdata->message_loop = driverdata->ppb_message_loop->Create(driverdata->instance); |
| |
| PSEventSetFilter(PSE_ALL); |
| |
| /* We're done! */ |
| return 0; |
| } |
| |
| void NACL_VideoQuit(_THIS) { |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_NACL */ |
| /* vi: set ts=4 sw=4 expandtab: */ |