// Clear OSD background
void COMMON_clearbackground(int32_t numcols, int32_t numrows)
{
UNREFERENCED_PARAMETER(numcols);
# ifdef USE_OPENGL
if (getrendermode() >= REND_POLYMOST && qsetmode==200)
{
// bglPushAttrib(GL_FOG_BIT);
bglDisable(GL_FOG);
setpolymost2dview();
bglColor4f(0.f, 0.f, 0.f, 0.67f);
bglEnable(GL_BLEND);
bglRecti(0, 0, xdim, 8*numrows+8);
bglColor4f(0.f, 0.f, 0.f, 1.f);
bglRecti(0, 8*numrows+4, xdim, 8*numrows+8);
// bglPopAttrib();
bglEnable(GL_FOG);
return;
}
# endif
CLEARLINES2D(0, min(ydim, numrows*8+8), editorcolors[16]);
}
void baselayer_setupopengl()
{
char *p,*p2,*p3;
static int warnonce = 0;
int i;
bglEnable(GL_TEXTURE_2D);
bglShadeModel(GL_SMOOTH); //GL_FLAT
bglClearColor(0,0,0,0.5); //Black Background
bglHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST); //Use FASTEST for ortho!
bglHint(GL_LINE_SMOOTH_HINT,GL_NICEST);
bglDisable(GL_DITHER);
glinfo.vendor = bglGetString(GL_VENDOR);
glinfo.renderer = bglGetString(GL_RENDERER);
glinfo.version = bglGetString(GL_VERSION);
glinfo.extensions = bglGetString(GL_EXTENSIONS);
glinfo.maxanisotropy = 1.0;
glinfo.bgra = 0;
glinfo.texcompr = 0;
// process the extensions string and flag stuff we recognize
p = strdup(glinfo.extensions);
p3 = p;
while ((p2 = Bstrtoken(p3 == p ? p : NULL, " ", (char **) &p3, 1)) != NULL) {
if (!Bstrcmp(p2, "GL_EXT_texture_filter_anisotropic")) {
// supports anisotropy. get the maximum anisotropy level
bglGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glinfo.maxanisotropy);
} else if (!Bstrcmp(p2, "GL_EXT_texture_edge_clamp") ||
!Bstrcmp(p2, "GL_SGIS_texture_edge_clamp")) {
// supports GL_CLAMP_TO_EDGE or GL_CLAMP_TO_EDGE_SGIS
glinfo.clamptoedge = 1;
} else if (!Bstrcmp(p2, "GL_EXT_bgra")) {
// support bgra textures
glinfo.bgra = 1;
} else if (!Bstrcmp(p2, "GL_ARB_texture_compression")) {
// support texture compression
glinfo.texcompr = 1;
} else if (!Bstrcmp(p2, "GL_ARB_texture_non_power_of_two")) {
// support non-power-of-two texture sizes
glinfo.texnpot = 1;
} else if (!Bstrcmp(p2, "WGL_3DFX_gamma_control")) {
// 3dfx cards have issues with fog
glinfo.hack_nofog = 1;
if (!(warnonce&1)) initprintf("3dfx card detected: OpenGL fog disabled\n");
warnonce |= 1;
} else if (!Bstrcmp(p2, "GL_ARB_multisample")) {
// supports multisampling
glinfo.multisample = 1;
} else if (!Bstrcmp(p2, "GL_NV_multisample_filter_hint")) {
// supports nvidia's multisample hint extension
glinfo.nvmultisamplehint = 1;
} else if (!strcmp(p2, "GL_ARB_multitexture")) {
glinfo.multitex = 1;
} else if (!strcmp(p2, "GL_ARB_texture_env_combine")) {
glinfo.envcombine = 1;
}
}
free(p);
}