Esempio n. 1
0
/**	\brief	The OglSdlSurface function

	\param	w	width
	\param	h	height
	\param	isFullscreen	if true, go fullscreen

	\return	if true, changed video mode
*/
boolean OglSdlSurface(INT32 w, INT32 h)
{
	INT32 cbpp;
	const GLvoid *glvendor = NULL, *glrenderer = NULL, *glversion = NULL;

	cbpp = cv_scr_depth.value < 16 ? 16 : cv_scr_depth.value;

	glvendor = pglGetString(GL_VENDOR);
	// Get info and extensions.
	//BP: why don't we make it earlier ?
	//Hurdler: we cannot do that before intialising gl context
	glrenderer = pglGetString(GL_RENDERER);
	glversion = pglGetString(GL_VERSION);
	gl_extensions = pglGetString(GL_EXTENSIONS);

	DBG_Printf("Vendor     : %s\n", glvendor);
	DBG_Printf("Renderer   : %s\n", glrenderer);
	DBG_Printf("Version    : %s\n", glversion);
	DBG_Printf("Extensions : %s\n", gl_extensions);
	oglflags = 0;

	if (isExtAvailable("GL_EXT_texture_filter_anisotropic", gl_extensions))
		pglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maximumAnisotropy);
	else
		maximumAnisotropy = 1;

	SetupGLFunc13();

	granisotropicmode_cons_t[1].value = maximumAnisotropy;

	SDL_GL_SetSwapInterval(cv_vidwait.value ? 1 : 0);

	SetModelView(w, h);
	SetStates();
	pglClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

	HWR_Startup();
	textureformatGL = cbpp > 16 ? GL_RGBA : GL_RGB5_A1;

	return true;
}
Esempio n. 2
0
/**	\brief	The OglSdlSurface function

	\param	w	width
	\param	h	height
	\param	isFullscreen	if true, go fullscreen

	\return	if true, changed video mode
*/
boolean OglSdlSurface(INT32 w, INT32 h, boolean isFullscreen)
{
	INT32 cbpp;
	Uint32 OGLFlags;
	const GLvoid *glvendor = NULL, *glrenderer = NULL, *glversion = NULL;

	cbpp = cv_scr_depth.value < 16 ? 16 : cv_scr_depth.value;

	if (vidSurface)
	{
		//Alam: SDL_Video system free vidSurface for me
#ifdef VOODOOSAFESWITCHING
		SDL_QuitSubSystem(SDL_INIT_VIDEO);
		SDL_InitSubSystem(SDL_INIT_VIDEO);
#endif
	}

	if (isFullscreen)
		OGLFlags = FOGLFlags;
	else
		OGLFlags = WOGLFlags;

	cbpp = SDL_VideoModeOK(w, h, cbpp, OGLFlags);
	if (cbpp < 16)
		return true; //Alam: Let just say we did, ok?

	vidSurface = SDL_SetVideoMode(w, h, cbpp, OGLFlags);
	if (!vidSurface)
		return false;

	glvendor = pglGetString(GL_VENDOR);
	// Get info and extensions.
	//BP: why don't we make it earlier ?
	//Hurdler: we cannot do that before intialising gl context
	glrenderer = pglGetString(GL_RENDERER);
	glversion = pglGetString(GL_VERSION);
	gl_extensions = pglGetString(GL_EXTENSIONS);

	DBG_Printf("Vendor     : %s\n", glvendor);
	DBG_Printf("Renderer   : %s\n", glrenderer);
	DBG_Printf("Version    : %s\n", glversion);
	DBG_Printf("Extensions : %s\n", gl_extensions);
	oglflags = 0;

#ifdef _WIN32
	// BP: disable advenced feature that don't work on somes hardware
	// Hurdler: Now works on G400 with bios 1.6 and certified drivers 6.04
	if (strstr(glrenderer, "810")) oglflags |= GLF_NOZBUFREAD;
#elif defined (unix) || defined (UNIXCOMMON)
	// disable advanced features not working on somes hardware
	if (strstr(glrenderer, "G200")) oglflags |= GLF_NOTEXENV;
	if (strstr(glrenderer, "G400")) oglflags |= GLF_NOTEXENV;
#endif
	DBG_Printf("oglflags   : 0x%X\n", oglflags );

#ifdef USE_PALETTED_TEXTURE
	if (isExtAvailable("GL_EXT_paletted_texture", gl_extensions))
		glColorTableEXT = SDL_GL_GetProcAddress("glColorTableEXT");
	else
		glColorTableEXT = NULL;
#endif

#ifdef USE_WGL_SWAP
	if (isExtAvailable("WGL_EXT_swap_control", gl_extensions))
		wglSwapIntervalEXT = SDL_GL_GetProcAddress("wglSwapIntervalEXT");
	else
		wglSwapIntervalEXT = NULL;
#else
	if (isExtAvailable("GLX_SGI_swap_control", gl_extensions))
		glXSwapIntervalSGIEXT = SDL_GL_GetProcAddress("glXSwapIntervalSGI");
	else
		glXSwapIntervalSGIEXT = NULL;
#endif

#ifndef KOS_GL_COMPATIBILITY
	if (isExtAvailable("GL_EXT_texture_filter_anisotropic", gl_extensions))
		pglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maximumAnisotropy);
	else
#endif
		maximumAnisotropy = 0;

	granisotropicmode_cons_t[1].value = maximumAnisotropy;

	SetModelView(w, h);
	SetStates();
	pglClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

	HWR_Startup();
#ifdef KOS_GL_COMPATIBILITY
	textureformatGL = GL_ARGB4444;
#else
	textureformatGL = cbpp > 16 ? GL_RGBA : GL_RGB5_A1;
#endif

	return true;
}