コード例 #1
0
ファイル: drv_sdlgl.c プロジェクト: varialus/agar
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);
}
コード例 #2
0
ファイル: drv_sdlgl.c プロジェクト: adsr/agar
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);
}