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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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DavidLudwig committed Oct 28, 2012
1 parent 77eca7a commit 6944194d2b41df5d41f28c1efe735827c6e91848
@@ -125,6 +125,9 @@
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
</ClCompile>
<ClCompile Include="..\..\src\video\windowsrt\SDL_winrtevents.c" />
<ClCompile Include="..\..\src\video\windowsrt\SDL_winrtframebuffer.c" />
<ClCompile Include="..\..\src\video\windowsrt\SDL_winrtvideo.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\..\include\begin_code.h" />
@@ -234,6 +237,9 @@
<ClInclude Include="..\..\src\video\windowsrt\DirectXHelper.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDLmain_WinRT_common.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_WinRTApp.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtevents_c.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtframebuffer_c.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtvideo.h" />
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{aeaea3a2-d4e6-45b1-8ec6-53d84287fc14}</ProjectGuid>
@@ -169,7 +169,8 @@ typedef unsigned int uintptr_t;
#define SDL_TIMERS_DISABLED 1

/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_WINRT 1
#define SDL_VIDEO_DRIVER_DUMMY 1

// TODO, WinRT: Get a Direct3D 11 based renderer working in SDL.

@@ -327,6 +327,9 @@ extern VideoBootStrap DirectFB_bootstrap;
#if SDL_VIDEO_DRIVER_WINDOWS
extern VideoBootStrap WINDOWS_bootstrap;
#endif
#if SDL_VIDEO_DRIVER_WINRT
extern VideoBootStrap WINRT_bootstrap;
#endif
#if SDL_VIDEO_DRIVER_BWINDOW
extern VideoBootStrap BWINDOW_bootstrap;
#endif
@@ -63,6 +63,9 @@ static VideoBootStrap *bootstrap[] = {
#if SDL_VIDEO_DRIVER_WINDOWS
&WINDOWS_bootstrap,
#endif
#if SDL_VIDEO_DRIVER_WINRT
&WINRT_bootstrap,
#endif
#if SDL_VIDEO_DRIVER_BWINDOW
&BWINDOW_bootstrap,
#endif
@@ -0,0 +1,41 @@
/*
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"

#if SDL_VIDEO_DRIVER_WINRT

/* Being a null driver, there's no event stream. We just define stubs for
most of the API. */

#include "../../events/SDL_events_c.h"

#include "SDL_winrtvideo.h"
#include "SDL_winrtevents_c.h"

void
WINRT_PumpEvents(_THIS)
{
/* do nothing. */
}

#endif /* SDL_VIDEO_DRIVER_WINRT */

/* vi: set ts=4 sw=4 expandtab: */
@@ -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"

#include "SDL_winrtvideo.h"

extern void WINRT_PumpEvents(_THIS);

/* vi: set ts=4 sw=4 expandtab: */
@@ -0,0 +1,94 @@
/*
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"

#if SDL_VIDEO_DRIVER_WINRT

#include "../SDL_sysvideo.h"
#include "SDL_winrtframebuffer_c.h"


#define WINRT_SURFACE "_SDL_WinRTSurface"

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;

/* Free the old framebuffer surface */
surface = (SDL_Surface *) SDL_GetWindowData(window, WINRT_SURFACE);
if (surface) {
SDL_FreeSurface(surface);
}

/* 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;
}

/* Save the info and return! */
SDL_SetWindowData(window, WINRT_SURFACE, surface);
*format = surface_format;
*pixels = surface->pixels;
*pitch = surface->pitch;
return 0;
}

int SDL_WINRT_UpdateWindowFramebuffer(_THIS, SDL_Window * window, SDL_Rect * rects, int numrects)
{
static int frame_number;
SDL_Surface *surface;

surface = (SDL_Surface *) SDL_GetWindowData(window, WINRT_SURFACE);
if (!surface) {
SDL_SetError("Couldn't find WinRT surface for window");
return -1;
}

/* 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;
}

void SDL_WINRT_DestroyWindowFramebuffer(_THIS, SDL_Window * window)
{
SDL_Surface *surface;

surface = (SDL_Surface *) SDL_SetWindowData(window, WINRT_SURFACE, NULL);
if (surface) {
SDL_FreeSurface(surface);
}
}

#endif /* SDL_VIDEO_DRIVER_WINRT */

/* vi: set ts=4 sw=4 expandtab: */
@@ -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"

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);

/* vi: set ts=4 sw=4 expandtab: */
@@ -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"

#if SDL_VIDEO_DRIVER_WINRT

/* 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.
*/

#include "SDL_video.h"
#include "SDL_mouse.h"
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"

#include "SDL_winrtvideo.h"
#include "SDL_winrtevents_c.h"
#include "SDL_winrtframebuffer_c.h"

#define WINRTVID_DRIVER_NAME "dummy"

/* Initialization/Query functions */
static int WINRT_VideoInit(_THIS);
static int WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
static void WINRT_VideoQuit(_THIS);

/* WinRT driver bootstrap functions */

static int
WINRT_Available(void)
{
const char *envr = SDL_getenv("SDL_VIDEODRIVER");
if ((envr) && (SDL_strcmp(envr, WINRTVID_DRIVER_NAME) == 0)) {
return (1);
}

return (0);
}

static void
WINRT_DeleteDevice(SDL_VideoDevice * device)
{
SDL_free(device);
}

static SDL_VideoDevice *
WINRT_CreateDevice(int devindex)
{
SDL_VideoDevice *device;

/* 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);
}

/* 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;

device->free = WINRT_DeleteDevice;

return device;
}

VideoBootStrap WINRT_bootstrap = {
WINRTVID_DRIVER_NAME, "SDL Windows RT video driver",
WINRT_Available, WINRT_CreateDevice
};


int
WINRT_VideoInit(_THIS)
{
SDL_DisplayMode mode;

/* 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;
}

SDL_zero(mode);
SDL_AddDisplayMode(&_this->displays[0], &mode);

/* We're done! */
return 0;
}

static int
WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{
return 0;
}

void
WINRT_VideoQuit(_THIS)
{
}

#endif /* SDL_VIDEO_DRIVER_WINRT */

/* vi: set ts=4 sw=4 expandtab: */

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