src/video/windowsrt/SDL_winrtvideo.c
author David Ludwig <dludwig@pobox.com>
Sat, 27 Oct 2012 22:57:07 -0400
changeset 8328 88b08ad81bf7
parent 8327 bc51589f33dc
permissions -rw-r--r--
WinRT: made the WinRT video driver always be initialize-able
dludwig@8327
     1
/*
dludwig@8327
     2
  Simple DirectMedia Layer
dludwig@8327
     3
  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
dludwig@8327
     4
dludwig@8327
     5
  This software is provided 'as-is', without any express or implied
dludwig@8327
     6
  warranty.  In no event will the authors be held liable for any damages
dludwig@8327
     7
  arising from the use of this software.
dludwig@8327
     8
dludwig@8327
     9
  Permission is granted to anyone to use this software for any purpose,
dludwig@8327
    10
  including commercial applications, and to alter it and redistribute it
dludwig@8327
    11
  freely, subject to the following restrictions:
dludwig@8327
    12
dludwig@8327
    13
  1. The origin of this software must not be misrepresented; you must not
dludwig@8327
    14
     claim that you wrote the original software. If you use this software
dludwig@8327
    15
     in a product, an acknowledgment in the product documentation would be
dludwig@8327
    16
     appreciated but is not required.
dludwig@8327
    17
  2. Altered source versions must be plainly marked as such, and must not be
dludwig@8327
    18
     misrepresented as being the original software.
dludwig@8327
    19
  3. This notice may not be removed or altered from any source distribution.
dludwig@8327
    20
*/
dludwig@8327
    21
#include "SDL_config.h"
dludwig@8327
    22
dludwig@8327
    23
#if SDL_VIDEO_DRIVER_WINRT
dludwig@8327
    24
dludwig@8327
    25
/* WinRT SDL video driver implementation
dludwig@8327
    26
dludwig@8327
    27
   Initial work on this was done by David Ludwig (dludwig@pobox.com), and
dludwig@8327
    28
   was based off of SDL's "dummy" video driver.
dludwig@8327
    29
 */
dludwig@8327
    30
dludwig@8327
    31
#include "SDL_video.h"
dludwig@8327
    32
#include "SDL_mouse.h"
dludwig@8327
    33
#include "../SDL_sysvideo.h"
dludwig@8327
    34
#include "../SDL_pixels_c.h"
dludwig@8327
    35
#include "../../events/SDL_events_c.h"
dludwig@8327
    36
dludwig@8327
    37
#include "SDL_winrtvideo.h"
dludwig@8327
    38
#include "SDL_winrtevents_c.h"
dludwig@8327
    39
#include "SDL_winrtframebuffer_c.h"
dludwig@8327
    40
dludwig@8327
    41
#define WINRTVID_DRIVER_NAME "dummy"
dludwig@8327
    42
dludwig@8327
    43
/* Initialization/Query functions */
dludwig@8327
    44
static int WINRT_VideoInit(_THIS);
dludwig@8327
    45
static int WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
dludwig@8327
    46
static void WINRT_VideoQuit(_THIS);
dludwig@8327
    47
dludwig@8327
    48
/* WinRT driver bootstrap functions */
dludwig@8327
    49
dludwig@8327
    50
static int
dludwig@8327
    51
WINRT_Available(void)
dludwig@8327
    52
{
dludwig@8328
    53
    return (1);
dludwig@8327
    54
}
dludwig@8327
    55
dludwig@8327
    56
static void
dludwig@8327
    57
WINRT_DeleteDevice(SDL_VideoDevice * device)
dludwig@8327
    58
{
dludwig@8327
    59
    SDL_free(device);
dludwig@8327
    60
}
dludwig@8327
    61
dludwig@8327
    62
static SDL_VideoDevice *
dludwig@8327
    63
WINRT_CreateDevice(int devindex)
dludwig@8327
    64
{
dludwig@8327
    65
    SDL_VideoDevice *device;
dludwig@8327
    66
dludwig@8327
    67
    /* Initialize all variables that we clean on shutdown */
dludwig@8327
    68
    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
dludwig@8327
    69
    if (!device) {
dludwig@8327
    70
        SDL_OutOfMemory();
dludwig@8327
    71
        if (device) {
dludwig@8327
    72
            SDL_free(device);
dludwig@8327
    73
        }
dludwig@8327
    74
        return (0);
dludwig@8327
    75
    }
dludwig@8327
    76
dludwig@8327
    77
    /* Set the function pointers */
dludwig@8327
    78
    device->VideoInit = WINRT_VideoInit;
dludwig@8327
    79
    device->VideoQuit = WINRT_VideoQuit;
dludwig@8327
    80
    device->SetDisplayMode = WINRT_SetDisplayMode;
dludwig@8327
    81
    device->PumpEvents = WINRT_PumpEvents;
dludwig@8327
    82
    device->CreateWindowFramebuffer = SDL_WINRT_CreateWindowFramebuffer;
dludwig@8327
    83
    device->UpdateWindowFramebuffer = SDL_WINRT_UpdateWindowFramebuffer;
dludwig@8327
    84
    device->DestroyWindowFramebuffer = SDL_WINRT_DestroyWindowFramebuffer;
dludwig@8327
    85
dludwig@8327
    86
    device->free = WINRT_DeleteDevice;
dludwig@8327
    87
dludwig@8327
    88
    return device;
dludwig@8327
    89
}
dludwig@8327
    90
dludwig@8327
    91
VideoBootStrap WINRT_bootstrap = {
dludwig@8327
    92
    WINRTVID_DRIVER_NAME, "SDL Windows RT video driver",
dludwig@8327
    93
    WINRT_Available, WINRT_CreateDevice
dludwig@8327
    94
};
dludwig@8327
    95
dludwig@8327
    96
dludwig@8327
    97
int
dludwig@8327
    98
WINRT_VideoInit(_THIS)
dludwig@8327
    99
{
dludwig@8327
   100
    SDL_DisplayMode mode;
dludwig@8327
   101
dludwig@8327
   102
    /* Use a fake 32-bpp desktop mode */
dludwig@8327
   103
    mode.format = SDL_PIXELFORMAT_RGB888;
dludwig@8327
   104
    mode.w = 1024;
dludwig@8327
   105
    mode.h = 768;
dludwig@8327
   106
    mode.refresh_rate = 0;
dludwig@8327
   107
    mode.driverdata = NULL;
dludwig@8327
   108
    if (SDL_AddBasicVideoDisplay(&mode) < 0) {
dludwig@8327
   109
        return -1;
dludwig@8327
   110
    }
dludwig@8327
   111
dludwig@8327
   112
    SDL_zero(mode);
dludwig@8327
   113
    SDL_AddDisplayMode(&_this->displays[0], &mode);
dludwig@8327
   114
dludwig@8327
   115
    /* We're done! */
dludwig@8327
   116
    return 0;
dludwig@8327
   117
}
dludwig@8327
   118
dludwig@8327
   119
static int
dludwig@8327
   120
WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
dludwig@8327
   121
{
dludwig@8327
   122
    return 0;
dludwig@8327
   123
}
dludwig@8327
   124
dludwig@8327
   125
void
dludwig@8327
   126
WINRT_VideoQuit(_THIS)
dludwig@8327
   127
{
dludwig@8327
   128
}
dludwig@8327
   129
dludwig@8327
   130
#endif /* SDL_VIDEO_DRIVER_WINRT */
dludwig@8327
   131
dludwig@8327
   132
/* vi: set ts=4 sw=4 expandtab: */