/** \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;
}
/** \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;
}
