AG_Surface *
AG_SDL_ShadowSurface(SDL_Surface *ss)
{
AG_PixelFormat *pf;
AG_Surface *ds;
if ((pf = AG_SDL_GetPixelFormat(ss)) == NULL) {
return (NULL);
}
if (pf->palette != NULL) {
AG_SetError("Indexed formats not supported");
AG_PixelFormatFree(pf);
return (NULL);
}
if ((ds = AG_SurfaceNew(AG_SURFACE_PACKED, 0, 0, pf, 0))
== NULL) {
goto out;
}
if (ss->flags & SDL_SRCCOLORKEY) { ds->flags |= AG_SRCCOLORKEY; }
if (ss->flags & SDL_SRCALPHA) { ds->flags |= AG_SRCALPHA; }
ds->pixels = ss->pixels;
ds->w = ss->w;
ds->h = ss->h;
ds->pitch = ds->w * pf->BytesPerPixel;
ds->clipRect = AG_RECT(0,0,ds->w,ds->h);
out:
AG_PixelFormatFree(pf);
return (ds);
}
/* Convert a SDL_Surface to an AG_Surface. */
AG_Surface *
AG_SDL_ImportSurface(SDL_Surface *ss)
{
AG_PixelFormat *pf;
AG_Surface *ds;
Uint8 *pSrc, *pDst;
int y;
#if 0
Uint32 px;
AG_Color C;
int x;
#endif
if ((pf = AG_SDL_GetPixelFormat(ss)) == NULL) {
return (NULL);
}
if (pf->palette != NULL) {
AG_SetError("Indexed formats not supported");
AG_PixelFormatFree(pf);
return (NULL);
}
if ((ds = AG_SurfaceNew(AG_SURFACE_PACKED, ss->w, ss->h, pf, 0))
== NULL) {
goto out;
}
if (ss->flags & SDL_SRCCOLORKEY) { ds->flags |= AG_SRCCOLORKEY; }
if (ss->flags & SDL_SRCALPHA) { ds->flags |= AG_SRCALPHA; }
if (SDL_MUSTLOCK(ss)) {
SDL_LockSurface(ss);
}
pSrc = (Uint8 *)ss->pixels;
pDst = (Uint8 *)ds->pixels;
for (y = 0; y < ss->h; y++) {
memcpy(pDst, pSrc, ss->pitch);
pSrc += ss->pitch;
pDst += ds->pitch;
}
#if 0
for (y = 0; y < ss->h; y++) {
for (x = 0; x < ss->w; x++) {
AG_PACKEDPIXEL_GET(ss->format->BytesPerPixel, px, pSrc);
C = AG_SDL_GetColorRGBA(px, ss->format);
AG_PUT_PIXEL(ds,pDst,
AG_MapColorRGBA(ds->format, C));
pSrc += ss->format->BytesPerPixel;
pDst += ds->format->BytesPerPixel;
}
}
#endif
if (SDL_MUSTLOCK(ss))
SDL_UnlockSurface(ss);
out:
AG_PixelFormatFree(pf);
return (ds);
}
static int
SDLGL_OpenVideoContext(void *obj, void *ctx, Uint flags)
{
AG_DriverSDLGL *sgl = obj;
AG_DriverSw *dsw = obj;
AG_Driver *drv = obj;
SDL_Surface *ctxSu = (SDL_Surface *)ctx;
if (!(ctxSu->flags & SDL_OPENGL)) {
AG_SetError("Given display surface is not SDL_OPENGL");
return (-1);
}
/* Set the requested display options. */
if (flags & AG_VIDEO_OVERLAY)
dsw->flags |= AG_DRIVER_SW_OVERLAY;
if (flags & AG_VIDEO_BGPOPUPMENU)
dsw->flags |= AG_DRIVER_SW_BGPOPUP;
/* Use the given display surface. */
sgl->s = (SDL_Surface *)ctx;
if ((drv->videoFmt = AG_SDL_GetPixelFormat(sgl->s)) == NULL) {
goto fail;
}
dsw->w = sgl->s->w;
dsw->h = sgl->s->h;
dsw->depth = (Uint)drv->videoFmt->BitsPerPixel;
Verbose(_("SDLGL: Using existing display (%ux%ux%d bpp)\n"),
dsw->w, dsw->h, (int)drv->videoFmt->BitsPerPixel);
/* Initialize our OpenGL context and viewport. */
if (AG_GL_InitContext(sgl, &sgl->gl) == -1) {
goto fail;
}
AG_GL_SetViewport(&sgl->gl, AG_RECT(0, 0, dsw->w, dsw->h));
/* Create the cursors. */
if (AG_SDL_InitDefaultCursor(sgl) == -1 ||
AG_InitStockCursors(drv) == -1)
goto fail;
return (0);
fail:
if (drv->videoFmt) {
AG_PixelFormatFree(drv->videoFmt);
drv->videoFmt = NULL;
}
return (-1);
}
static int
SDLGL_OpenVideo(void *obj, Uint w, Uint h, int depth, Uint flags)
{
char buf[16];
AG_Driver *drv = obj;
AG_DriverSw *dsw = obj;
AG_DriverSDLGL *sgl = obj;
Uint32 sFlags = SDL_OPENGL;
int newDepth;
/* Set the requested display options. */
if (flags & AG_VIDEO_RESIZABLE) { sFlags |= SDL_RESIZABLE; }
if (flags & AG_VIDEO_ANYFORMAT) { sFlags |= SDL_ANYFORMAT; }
if (flags & AG_VIDEO_HWPALETTE) { sFlags |= SDL_HWPALETTE; }
if (flags & AG_VIDEO_DOUBLEBUF) { sFlags |= SDL_DOUBLEBUF; }
if (flags & AG_VIDEO_FULLSCREEN) { sFlags |= SDL_FULLSCREEN; }
if (flags & AG_VIDEO_NOFRAME) { sFlags |= SDL_NOFRAME; }
if (flags & AG_VIDEO_OVERLAY)
dsw->flags |= AG_DRIVER_SW_OVERLAY;
if (flags & AG_VIDEO_BGPOPUPMENU)
dsw->flags |= AG_DRIVER_SW_BGPOPUP;
/* Apply the output capture settings. */
if (AG_Defined(drv, "out")) {
char *ext;
AG_GetString(drv, "out", buf, sizeof(buf));
if ((ext = strrchr(buf, '.')) != NULL &&
ext[1] != '\0') {
if (Strcasecmp(&ext[1], "jpeg") == 0 ||
Strcasecmp(&ext[1], "jpg") == 0) {
sgl->outMode = AG_SDLGL_OUT_JPEG;
if ((sgl->outPath = TryStrdup(buf)) == NULL)
return (-1);
} else if (Strcasecmp(&ext[1], "png") == 0) {
sgl->outMode = AG_SDLGL_OUT_PNG;
if ((sgl->outPath = TryStrdup(buf)) == NULL)
return (-1);
} else {
AG_SetError("Invalid out= argument: `%s'", buf);
return (-1);
}
if (AG_Defined(drv, "outFirst")) {
AG_GetString(drv, "outFirst", buf, sizeof(buf));
sgl->outFrame = atoi(buf);
} else {
sgl->outFrame = 0;
}
if (AG_Defined(drv, "outLast")) {
AG_GetString(drv, "outLast", buf, sizeof(buf));
sgl->outLast = atoi(buf);
}
}
}
/* Apply the default resolution settings. */
if (w == 0 && AG_Defined(drv, "width")) {
AG_GetString(drv, "width", buf, sizeof(buf));
w = atoi(buf);
}
if (h == 0 && AG_Defined(drv, "height")) {
AG_GetString(drv, "height", buf, sizeof(buf));
h = atoi(buf);
}
if (depth == 0 && AG_Defined(drv, "depth")) {
AG_GetString(drv, "depth", buf, sizeof(buf));
depth = atoi(buf);
}
/* Set the video mode. Force hardware palette in 8bpp. */
Verbose(_("SDLGL: Setting mode %dx%d (%d bpp)\n"), w, h, depth);
newDepth = SDL_VideoModeOK(w, h, depth, sFlags);
if (newDepth == 8) {
Verbose(_("Enabling hardware palette"));
sFlags |= SDL_HWPALETTE;
}
if ((sgl->s = SDL_SetVideoMode((int)w, (int)h, newDepth, sFlags))
== NULL) {
AG_SetError("Setting %dx%dx%d mode: %s", w, h, newDepth,
SDL_GetError());
return (-1);
}
SDL_EnableUNICODE(1);
if ((drv->videoFmt = AG_SDL_GetPixelFormat(sgl->s)) == NULL) {
goto fail;
}
dsw->w = sgl->s->w;
dsw->h = sgl->s->h;
dsw->depth = (Uint)drv->videoFmt->BitsPerPixel;
Verbose(_("SDLGL: New display (%dbpp)\n"),
(int)drv->videoFmt->BitsPerPixel);
/* Initialize clipping rectangles. */
if (InitClipRects(sgl, dsw->w, dsw->h) == -1)
goto fail;
/* Create the cursors. */
if (AG_SDL_InitDefaultCursor(sgl) == -1 ||
AG_InitStockCursors(drv) == -1)
goto fail;
/* Initialize the GL viewport. */
AG_GL_InitContext(
AG_RECT(0, 0, AGDRIVER_SW(sgl)->w, AGDRIVER_SW(sgl)->h));
if (!(dsw->flags & AG_DRIVER_SW_OVERLAY)) {
ClearBackground();
}
/* Initialize the output capture buffer. */
Free(sgl->outBuf);
if ((sgl->outBuf = AG_TryMalloc(dsw->w*dsw->h*4)) == NULL) {
AG_Verbose("Out of memory for buffer; disabling capture\n");
sgl->outMode = AG_SDLGL_OUT_NONE;
}
/* Toggle fullscreen if requested. */
if (AG_CfgBool("view.full-screen")) {
if (!SDL_WM_ToggleFullScreen(sgl->s))
AG_SetCfgBool("view.full-screen", 0);
}
return (0);
fail:
if (drv->videoFmt) {
AG_PixelFormatFree(drv->videoFmt);
drv->videoFmt = NULL;
}
return (-1);
}
