src/video/nacl/SDL_naclvideo.c
changeset 8833 ae720d61d14d
child 8873 77ffe680093f
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8832:408b0d563b27 8833:ae720d61d14d
       
     1 /*
       
     2   Simple DirectMedia Layer
       
     3   Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
       
     4 
       
     5   This software is provided 'as-is', without any express or implied
       
     6   warranty.  In no event will the authors be held liable for any damages
       
     7   arising from the use of this software.
       
     8 
       
     9   Permission is granted to anyone to use this software for any purpose,
       
    10   including commercial applications, and to alter it and redistribute it
       
    11   freely, subject to the following restrictions:
       
    12 
       
    13   1. The origin of this software must not be misrepresented; you must not
       
    14      claim that you wrote the original software. If you use this software
       
    15      in a product, an acknowledgment in the product documentation would be
       
    16      appreciated but is not required.
       
    17   2. Altered source versions must be plainly marked as such, and must not be
       
    18      misrepresented as being the original software.
       
    19   3. This notice may not be removed or altered from any source distribution.
       
    20 */
       
    21 #include "../../SDL_internal.h"
       
    22 
       
    23 #if SDL_VIDEO_DRIVER_NACL
       
    24 
       
    25 #include "ppapi/c/pp_errors.h"
       
    26 #include "ppapi/c/pp_instance.h"
       
    27 #include "ppapi_simple/ps.h"
       
    28 #include "ppapi_simple/ps_interface.h"
       
    29 #include "ppapi_simple/ps_event.h"
       
    30 #include "nacl_io/nacl_io.h"
       
    31 
       
    32 #include "SDL_naclvideo.h"
       
    33 #include "SDL_naclwindow.h"
       
    34 #include "SDL_naclevents_c.h"
       
    35 #include "SDL_naclopengles.h"   
       
    36 #include "SDL_video.h"
       
    37 #include "../SDL_sysvideo.h"
       
    38 #include "../../events/SDL_events_c.h"
       
    39 
       
    40 #define NACLVID_DRIVER_NAME "nacl"
       
    41 
       
    42 /* Static init required because NACL_SetScreenResolution 
       
    43  * may appear even before SDL starts and we want to remember
       
    44  * the window width and height
       
    45  */
       
    46 static SDL_VideoData nacl = {0};
       
    47 
       
    48 void
       
    49 NACL_SetScreenResolution(int width, int height, Uint32 format)
       
    50 {
       
    51     PP_Resource context;
       
    52     
       
    53     nacl.w = width;
       
    54     nacl.h = height;   
       
    55     nacl.format = format;
       
    56     
       
    57     if (nacl.window) {
       
    58         nacl.window->w = width;
       
    59         nacl.window->h = height;
       
    60         SDL_SendWindowEvent(nacl.window, SDL_WINDOWEVENT_RESIZED, width, height);
       
    61     }
       
    62     
       
    63     /* FIXME: Check threading issues...otherwise use a hardcoded _this->context across all threads */
       
    64     context = (PP_Resource) SDL_GL_GetCurrentContext();
       
    65     if (context) {
       
    66         PSInterfaceGraphics3D()->ResizeBuffers(context, width, height);
       
    67     }
       
    68 
       
    69 }
       
    70 
       
    71 
       
    72 
       
    73 /* Initialization/Query functions */
       
    74 static int NACL_VideoInit(_THIS);
       
    75 static void NACL_VideoQuit(_THIS);
       
    76 
       
    77 static int NACL_Available(void) {
       
    78     return PSGetInstanceId() != 0;
       
    79 }
       
    80 
       
    81 static void NACL_DeleteDevice(SDL_VideoDevice *device) {
       
    82     SDL_VideoData *driverdata = (SDL_VideoData*) device->driverdata;
       
    83     driverdata->ppb_core->ReleaseResource((PP_Resource) driverdata->ppb_message_loop);
       
    84     SDL_free(device->driverdata);
       
    85     SDL_free(device);
       
    86 }
       
    87 
       
    88 static int
       
    89 NACL_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
       
    90 {
       
    91     return 0;
       
    92 }
       
    93 
       
    94 static SDL_VideoDevice *NACL_CreateDevice(int devindex) {
       
    95     SDL_VideoDevice *device;
       
    96     
       
    97     /* Initialize all variables that we clean on shutdown */
       
    98     device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
       
    99     if (!device) {
       
   100         SDL_OutOfMemory();
       
   101         return NULL;
       
   102     }
       
   103     device->driverdata = &nacl;
       
   104   
       
   105     /* Set the function pointers */
       
   106     device->VideoInit = NACL_VideoInit;
       
   107     device->VideoQuit = NACL_VideoQuit;
       
   108     device->PumpEvents = NACL_PumpEvents;
       
   109     
       
   110     device->CreateWindow = NACL_CreateWindow;
       
   111     device->SetWindowTitle = NACL_SetWindowTitle;
       
   112     device->DestroyWindow = NACL_DestroyWindow;
       
   113     
       
   114     device->SetDisplayMode = NACL_SetDisplayMode;
       
   115     
       
   116     device->free = NACL_DeleteDevice;
       
   117     
       
   118     /* GL pointers */
       
   119     device->GL_LoadLibrary = NACL_GLES_LoadLibrary;
       
   120     device->GL_GetProcAddress = NACL_GLES_GetProcAddress;
       
   121     device->GL_UnloadLibrary = NACL_GLES_UnloadLibrary;
       
   122     device->GL_CreateContext = NACL_GLES_CreateContext;
       
   123     device->GL_MakeCurrent = NACL_GLES_MakeCurrent;
       
   124     device->GL_SetSwapInterval = NACL_GLES_SetSwapInterval;
       
   125     device->GL_GetSwapInterval = NACL_GLES_GetSwapInterval;
       
   126     device->GL_SwapWindow = NACL_GLES_SwapWindow;
       
   127     device->GL_DeleteContext = NACL_GLES_DeleteContext;
       
   128     
       
   129     
       
   130     return device;
       
   131 }
       
   132 
       
   133 VideoBootStrap NACL_bootstrap = {
       
   134     NACLVID_DRIVER_NAME, "SDL Native Client Video Driver",
       
   135     NACL_Available, NACL_CreateDevice
       
   136 };
       
   137 
       
   138 int NACL_VideoInit(_THIS) {
       
   139     SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
       
   140     SDL_DisplayMode mode;
       
   141 
       
   142     mode.format = driverdata->format;
       
   143     mode.w = driverdata->w;
       
   144     mode.h = driverdata->h;
       
   145     mode.refresh_rate = 0;
       
   146     mode.driverdata = NULL;
       
   147     if (SDL_AddBasicVideoDisplay(&mode) < 0) {
       
   148         return -1;
       
   149     }
       
   150     
       
   151     SDL_zero(mode);
       
   152     SDL_AddDisplayMode(&_this->displays[0], &mode);
       
   153     
       
   154     PSInterfaceInit();
       
   155     driverdata->instance = PSGetInstanceId();
       
   156     driverdata->ppb_graphics = PSInterfaceGraphics3D();
       
   157     driverdata->ppb_message_loop = PSInterfaceMessageLoop();
       
   158     driverdata->ppb_core = PSInterfaceCore();
       
   159     driverdata->ppb_fullscreen = PSInterfaceFullscreen();
       
   160     driverdata->ppb_instance = PSInterfaceInstance();
       
   161     driverdata->ppb_image_data = PSInterfaceImageData();
       
   162     driverdata->ppb_view = PSInterfaceView();
       
   163     driverdata->ppb_var = PSInterfaceVar();
       
   164     driverdata->ppb_input_event = (PPB_InputEvent*) PSGetInterface(PPB_INPUT_EVENT_INTERFACE);
       
   165     driverdata->ppb_keyboard_input_event = (PPB_KeyboardInputEvent*) PSGetInterface(PPB_KEYBOARD_INPUT_EVENT_INTERFACE);
       
   166     driverdata->ppb_mouse_input_event = (PPB_MouseInputEvent*) PSGetInterface(PPB_MOUSE_INPUT_EVENT_INTERFACE);
       
   167     driverdata->ppb_wheel_input_event = (PPB_WheelInputEvent*) PSGetInterface(PPB_WHEEL_INPUT_EVENT_INTERFACE);
       
   168     driverdata->ppb_touch_input_event = (PPB_TouchInputEvent*) PSGetInterface(PPB_TOUCH_INPUT_EVENT_INTERFACE);
       
   169     
       
   170     
       
   171     driverdata->message_loop = driverdata->ppb_message_loop->Create(driverdata->instance);
       
   172     
       
   173     PSEventSetFilter(PSE_ALL);
       
   174     
       
   175     /* We're done! */
       
   176     return 0;
       
   177 }
       
   178 
       
   179 void NACL_VideoQuit(_THIS) {
       
   180 }
       
   181 
       
   182 #endif /* SDL_VIDEO_DRIVER_NACL */
       
   183 /* vi: set ts=4 sw=4 expandtab: */