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WinRT: created a skeleton for a video driver, using a copy of the dum…
…my driver for a base
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/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2012 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_config.h" | ||
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#if SDL_VIDEO_DRIVER_WINRT | ||
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/* Being a null driver, there's no event stream. We just define stubs for | ||
most of the API. */ | ||
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#include "../../events/SDL_events_c.h" | ||
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#include "SDL_winrtvideo.h" | ||
#include "SDL_winrtevents_c.h" | ||
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void | ||
WINRT_PumpEvents(_THIS) | ||
{ | ||
/* do nothing. */ | ||
} | ||
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#endif /* SDL_VIDEO_DRIVER_WINRT */ | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
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/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2012 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_config.h" | ||
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#include "SDL_winrtvideo.h" | ||
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extern void WINRT_PumpEvents(_THIS); | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
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/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2012 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_config.h" | ||
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#if SDL_VIDEO_DRIVER_WINRT | ||
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#include "../SDL_sysvideo.h" | ||
#include "SDL_winrtframebuffer_c.h" | ||
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#define WINRT_SURFACE "_SDL_WinRTSurface" | ||
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int SDL_WINRT_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch) | ||
{ | ||
SDL_Surface *surface; | ||
const Uint32 surface_format = SDL_PIXELFORMAT_RGB888; | ||
int w, h; | ||
int bpp; | ||
Uint32 Rmask, Gmask, Bmask, Amask; | ||
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/* Free the old framebuffer surface */ | ||
surface = (SDL_Surface *) SDL_GetWindowData(window, WINRT_SURFACE); | ||
if (surface) { | ||
SDL_FreeSurface(surface); | ||
} | ||
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/* Create a new one */ | ||
SDL_PixelFormatEnumToMasks(surface_format, &bpp, &Rmask, &Gmask, &Bmask, &Amask); | ||
SDL_GetWindowSize(window, &w, &h); | ||
surface = SDL_CreateRGBSurface(0, w, h, bpp, Rmask, Gmask, Bmask, Amask); | ||
if (!surface) { | ||
return -1; | ||
} | ||
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/* Save the info and return! */ | ||
SDL_SetWindowData(window, WINRT_SURFACE, surface); | ||
*format = surface_format; | ||
*pixels = surface->pixels; | ||
*pitch = surface->pitch; | ||
return 0; | ||
} | ||
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int SDL_WINRT_UpdateWindowFramebuffer(_THIS, SDL_Window * window, SDL_Rect * rects, int numrects) | ||
{ | ||
static int frame_number; | ||
SDL_Surface *surface; | ||
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surface = (SDL_Surface *) SDL_GetWindowData(window, WINRT_SURFACE); | ||
if (!surface) { | ||
SDL_SetError("Couldn't find WinRT surface for window"); | ||
return -1; | ||
} | ||
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/* Send the data to the display */ | ||
if (SDL_getenv("SDL_VIDEO_WINRT_SAVE_FRAMES")) { | ||
char file[128]; | ||
SDL_snprintf(file, sizeof(file), "SDL_window%d-%8.8d.bmp", | ||
SDL_GetWindowID(window), ++frame_number); | ||
SDL_SaveBMP(surface, file); | ||
} | ||
return 0; | ||
} | ||
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void SDL_WINRT_DestroyWindowFramebuffer(_THIS, SDL_Window * window) | ||
{ | ||
SDL_Surface *surface; | ||
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surface = (SDL_Surface *) SDL_SetWindowData(window, WINRT_SURFACE, NULL); | ||
if (surface) { | ||
SDL_FreeSurface(surface); | ||
} | ||
} | ||
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#endif /* SDL_VIDEO_DRIVER_WINRT */ | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,27 @@ | ||
/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2012 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_config.h" | ||
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extern int SDL_WINRT_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch); | ||
extern int SDL_WINRT_UpdateWindowFramebuffer(_THIS, SDL_Window * window, SDL_Rect * rects, int numrects); | ||
extern void SDL_WINRT_DestroyWindowFramebuffer(_THIS, SDL_Window * window); | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
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---|---|---|
@@ -0,0 +1,137 @@ | ||
/* | ||
Simple DirectMedia Layer | ||
Copyright (C) 1997-2012 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_config.h" | ||
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#if SDL_VIDEO_DRIVER_WINRT | ||
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/* WinRT SDL video driver implementation | ||
Initial work on this was done by David Ludwig (dludwig@pobox.com), and | ||
was based off of SDL's "dummy" video driver. | ||
*/ | ||
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#include "SDL_video.h" | ||
#include "SDL_mouse.h" | ||
#include "../SDL_sysvideo.h" | ||
#include "../SDL_pixels_c.h" | ||
#include "../../events/SDL_events_c.h" | ||
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#include "SDL_winrtvideo.h" | ||
#include "SDL_winrtevents_c.h" | ||
#include "SDL_winrtframebuffer_c.h" | ||
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#define WINRTVID_DRIVER_NAME "dummy" | ||
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/* Initialization/Query functions */ | ||
static int WINRT_VideoInit(_THIS); | ||
static int WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode); | ||
static void WINRT_VideoQuit(_THIS); | ||
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/* WinRT driver bootstrap functions */ | ||
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static int | ||
WINRT_Available(void) | ||
{ | ||
const char *envr = SDL_getenv("SDL_VIDEODRIVER"); | ||
if ((envr) && (SDL_strcmp(envr, WINRTVID_DRIVER_NAME) == 0)) { | ||
return (1); | ||
} | ||
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return (0); | ||
} | ||
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static void | ||
WINRT_DeleteDevice(SDL_VideoDevice * device) | ||
{ | ||
SDL_free(device); | ||
} | ||
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static SDL_VideoDevice * | ||
WINRT_CreateDevice(int devindex) | ||
{ | ||
SDL_VideoDevice *device; | ||
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/* Initialize all variables that we clean on shutdown */ | ||
device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); | ||
if (!device) { | ||
SDL_OutOfMemory(); | ||
if (device) { | ||
SDL_free(device); | ||
} | ||
return (0); | ||
} | ||
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/* Set the function pointers */ | ||
device->VideoInit = WINRT_VideoInit; | ||
device->VideoQuit = WINRT_VideoQuit; | ||
device->SetDisplayMode = WINRT_SetDisplayMode; | ||
device->PumpEvents = WINRT_PumpEvents; | ||
device->CreateWindowFramebuffer = SDL_WINRT_CreateWindowFramebuffer; | ||
device->UpdateWindowFramebuffer = SDL_WINRT_UpdateWindowFramebuffer; | ||
device->DestroyWindowFramebuffer = SDL_WINRT_DestroyWindowFramebuffer; | ||
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device->free = WINRT_DeleteDevice; | ||
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return device; | ||
} | ||
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VideoBootStrap WINRT_bootstrap = { | ||
WINRTVID_DRIVER_NAME, "SDL Windows RT video driver", | ||
WINRT_Available, WINRT_CreateDevice | ||
}; | ||
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int | ||
WINRT_VideoInit(_THIS) | ||
{ | ||
SDL_DisplayMode mode; | ||
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/* Use a fake 32-bpp desktop mode */ | ||
mode.format = SDL_PIXELFORMAT_RGB888; | ||
mode.w = 1024; | ||
mode.h = 768; | ||
mode.refresh_rate = 0; | ||
mode.driverdata = NULL; | ||
if (SDL_AddBasicVideoDisplay(&mode) < 0) { | ||
return -1; | ||
} | ||
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SDL_zero(mode); | ||
SDL_AddDisplayMode(&_this->displays[0], &mode); | ||
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/* We're done! */ | ||
return 0; | ||
} | ||
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static int | ||
WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode) | ||
{ | ||
return 0; | ||
} | ||
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void | ||
WINRT_VideoQuit(_THIS) | ||
{ | ||
} | ||
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#endif /* SDL_VIDEO_DRIVER_WINRT */ | ||
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/* vi: set ts=4 sw=4 expandtab: */ |
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