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); }