337 lines
8.2 KiB
C
337 lines
8.2 KiB
C
/*
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* Copyright © 2004 PillowElephantBadgerBankPond
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of PillowElephantBadgerBankPond not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. PillowElephantBadgerBankPond makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* PillowElephantBadgerBankPond DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL PillowElephantBadgerBankPond BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* It's really not my fault - see it was the elephants!!
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* - jaymz
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "kdrive-config.h"
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#endif
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#include "kdrive.h"
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#include <SDL/SDL.h>
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#include <X11/keysym.h>
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static void xsdlFini(void);
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static Bool sdlScreenInit(KdScreenInfo *screen);
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static Bool sdlFinishInitScreen(ScreenPtr pScreen);
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static Bool sdlCreateRes(ScreenPtr pScreen);
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static void sdlKeyboardFini(KdKeyboardInfo *ki);
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static Bool sdlKeyboardInit(KdKeyboardInfo *ki);
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static Bool sdlMouseInit(KdPointerInfo *pi);
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static void sdlMouseFini(KdPointerInfo *pi);
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void *sdlShadowWindow (ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure);
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void sdlShadowUpdate (ScreenPtr pScreen, shadowBufPtr pBuf);
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void sdlTimer(void);
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KdKeyboardInfo *sdlKeyboard = NULL;
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KdPointerInfo *sdlPointer = NULL;
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KdKeyboardDriver sdlKeyboardDriver = {
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.name = "keyboard",
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.Init = sdlKeyboardInit,
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.Fini = sdlKeyboardFini,
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};
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KdPointerDriver sdlMouseDriver = {
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.name = "mouse",
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.Init = sdlMouseInit,
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.Fini = sdlMouseFini,
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};
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KdCardFuncs sdlFuncs = {
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.scrinit = sdlScreenInit, /* scrinit */
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.finishInitScreen = sdlFinishInitScreen, /* finishInitScreen */
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.createRes = sdlCreateRes, /* createRes */
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};
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int mouseState=0;
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struct SdlDriver
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{
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SDL_Surface *screen;
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};
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static Bool sdlScreenInit(KdScreenInfo *screen)
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{
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struct SdlDriver *sdlDriver=calloc(1, sizeof(struct SdlDriver));
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#ifdef DEBUG
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printf("sdlScreenInit()\n");
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#endif
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if (!screen->width || !screen->height)
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{
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screen->width = 640;
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screen->height = 480;
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}
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if (!screen->fb[0].depth)
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screen->fb[0].depth = 4;
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#ifdef DEBUG
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printf("Attempting for %dx%d/%dbpp mode\n", screen->width, screen->height, screen->fb[0].depth);
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#endif
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sdlDriver->screen=SDL_SetVideoMode(screen->width, screen->height, screen->fb[0].depth, 0);
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if(sdlDriver->screen==NULL)
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return FALSE;
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#ifdef DEBUG
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printf("Set %dx%d/%dbpp mode\n", sdlDriver->screen->w, sdlDriver->screen->h, sdlDriver->screen->format->BitsPerPixel);
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#endif
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screen->width=sdlDriver->screen->w;
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screen->height=sdlDriver->screen->h;
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screen->fb[0].depth=sdlDriver->screen->format->BitsPerPixel;
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screen->fb[0].visuals=(1<<TrueColor);
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screen->fb[0].redMask=sdlDriver->screen->format->Rmask;
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screen->fb[0].greenMask=sdlDriver->screen->format->Gmask;
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screen->fb[0].blueMask=sdlDriver->screen->format->Bmask;
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screen->fb[0].bitsPerPixel=sdlDriver->screen->format->BitsPerPixel;
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screen->rate=60;
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screen->memory_base=(CARD8 *)sdlDriver->screen->pixels;
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screen->memory_size=0;
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screen->off_screen_base=0;
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screen->driver=sdlDriver;
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screen->fb[0].byteStride=(sdlDriver->screen->w*sdlDriver->screen->format->BitsPerPixel)/8;
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screen->fb[0].pixelStride=sdlDriver->screen->w;
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screen->fb[0].frameBuffer=(CARD8 *)sdlDriver->screen->pixels;
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SDL_WM_SetCaption("Freedesktop.org X server (SDL)", NULL);
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return TRUE;
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}
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void sdlShadowUpdate (ScreenPtr pScreen, shadowBufPtr pBuf)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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struct SdlDriver *sdlDriver=screen->driver;
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#ifdef DEBUG
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printf("Shadow update()\n");
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#endif
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if(SDL_MUSTLOCK(sdlDriver->screen))
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{
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if(SDL_LockSurface(sdlDriver->screen)<0)
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{
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#ifdef DEBUG
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printf("Couldn't lock SDL surface - d'oh!\n");
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#endif
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return;
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}
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}
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if(SDL_MUSTLOCK(sdlDriver->screen))
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SDL_UnlockSurface(sdlDriver->screen);
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SDL_UpdateRect(sdlDriver->screen, 0, 0, sdlDriver->screen->w, sdlDriver->screen->h);
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}
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void *sdlShadowWindow (ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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struct SdlDriver *sdlDriver=screen->driver;
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*size=(sdlDriver->screen->w*sdlDriver->screen->format->BitsPerPixel)/8;
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#ifdef DEBUG
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printf("Shadow window()\n");
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#endif
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return (void *)((CARD8 *)sdlDriver->screen->pixels + row * (*size) + offset);
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}
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static Bool sdlCreateRes(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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KdShadowFbAlloc(screen, 0, FALSE);
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KdShadowSet(pScreen, RR_Rotate_0, sdlShadowUpdate, sdlShadowWindow);
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return TRUE;
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}
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static Bool sdlFinishInitScreen(ScreenPtr pScreen)
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{
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if (!shadowSetup (pScreen))
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return FALSE;
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/*
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#ifdef RANDR
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if (!sdlRandRInit (pScreen))
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return FALSE;
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#endif
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*/
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return TRUE;
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}
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static void sdlKeyboardFini(KdKeyboardInfo *ki)
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{
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sdlKeyboard = NULL;
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}
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static Bool sdlKeyboardInit(KdKeyboardInfo *ki)
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{
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ki->minScanCode = 8;
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ki->maxScanCode = 255;
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sdlKeyboard = ki;
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return TRUE;
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}
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static Bool sdlMouseInit (KdPointerInfo *pi)
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{
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sdlPointer = pi;
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return TRUE;
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}
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static void sdlMouseFini(KdPointerInfo *pi)
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{
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sdlPointer = NULL;
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}
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void InitCard(char *name)
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{
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KdCardAttr attr;
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KdCardInfoAdd (&sdlFuncs, &attr, 0);
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#ifdef DEBUG
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printf("InitCard: %s\n", name);
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#endif
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}
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void InitOutput(ScreenInfo *pScreenInfo, int argc, char **argv)
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{
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KdInitOutput(pScreenInfo, argc, argv);
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#ifdef DEBUG
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printf("InitOutput()\n");
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#endif
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}
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void InitInput(int argc, char **argv)
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{
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KdPointerInfo *pi;
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KdKeyboardInfo *ki;
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KdAddKeyboardDriver(&sdlKeyboardDriver);
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KdAddPointerDriver(&sdlMouseDriver);
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ki = KdParseKeyboard("keyboard");
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KdAddKeyboard(ki);
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pi = KdParsePointer("mouse");
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KdAddPointer(pi);
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KdInitInput();
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}
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void ddxUseMsg(void)
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{
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KdUseMsg();
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}
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int ddxProcessArgument(int argc, char **argv, int i)
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{
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return KdProcessArgument(argc, argv, i);
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}
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void sdlTimer(void)
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{
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static int buttonState=0;
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SDL_Event event;
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SDL_ShowCursor(FALSE);
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/* get the mouse state */
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while ( SDL_PollEvent(&event) ) {
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switch (event.type) {
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case SDL_MOUSEMOTION:
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KdEnqueuePointerEvent(sdlPointer, mouseState, event.motion.x, event.motion.y, 0);
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break;
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case SDL_MOUSEBUTTONDOWN:
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switch(event.button.button)
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{
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case 1:
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buttonState=KD_BUTTON_1;
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break;
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case 2:
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buttonState=KD_BUTTON_2;
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break;
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case 3:
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buttonState=KD_BUTTON_3;
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break;
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}
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mouseState|=buttonState;
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KdEnqueuePointerEvent(sdlPointer, mouseState|KD_MOUSE_DELTA, 0, 0, 0);
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break;
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case SDL_MOUSEBUTTONUP:
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switch(event.button.button)
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{
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case 1:
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buttonState=KD_BUTTON_1;
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break;
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case 2:
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buttonState=KD_BUTTON_2;
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break;
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case 3:
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buttonState=KD_BUTTON_3;
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break;
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}
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mouseState &= ~buttonState;
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KdEnqueuePointerEvent(sdlPointer, mouseState|KD_MOUSE_DELTA, 0, 0, 0);
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break;
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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#ifdef DEBUG
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printf("Keycode: %d\n", event.key.keysym.scancode);
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#endif
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KdEnqueueKeyboardEvent (sdlKeyboard, event.key.keysym.scancode, event.type==SDL_KEYUP);
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break;
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case SDL_QUIT:
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/* this should never happen */
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SDL_Quit();
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}
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}
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}
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static int xsdlInit(void)
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{
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#ifdef DEBUG
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printf("Calling SDL_Init()\n");
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#endif
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return SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
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}
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static void xsdlFini(void)
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{
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SDL_Quit();
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}
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KdOsFuncs sdlOsFuncs={
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.Init = xsdlInit,
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.Fini = xsdlFini,
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.pollEvents = sdlTimer,
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};
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void OsVendorInit (void)
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{
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KdOsInit (&sdlOsFuncs);
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}
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