int gl_texture3d = false;
// GL_ARB_texture_cubemap
int gl_texturecubemap = false;
+// GL_ARB_texture_non_power_of_two
+int gl_support_arb_texture_non_power_of_two = false;
// GL_ARB_texture_env_dot3
int gl_dot3arb = false;
// GL_SGIS_texture_edge_clamp
// GL_EXT_texture_filter_anisotropic
int gl_support_anisotropy = false;
int gl_max_anisotropy = 1;
+// OpenGL2.0 core glStencilOpSeparate, or GL_ATI_separate_stencil
+int gl_support_separatestencil = false;
// GL_EXT_stencil_two_side
int gl_support_stenciltwoside = false;
+// GL_EXT_blend_minmax
+int gl_support_ext_blend_minmax = false;
+// GL_EXT_blend_subtract
+int gl_support_ext_blend_subtract = false;
// GL_ARB_shader_objects
int gl_support_shader_objects = false;
// GL_ARB_shading_language_100
cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
+cvar_t vid_stereobuffer = {CVAR_SAVE, "vid_stereobuffer", "0", "enables 'quad-buffered' stereo rendering for stereo shutterglasses, HMD (head mounted display) devices, or polarized stereo LCDs, if supported by your drivers"};
cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0", "sync to vertical blank, prevents 'tearing' (seeing part of one frame and part of another on the screen at the same time), automatically disabled when doing timedemo benchmarks"};
cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
+cvar_t vid_grabkeyboard = {CVAR_SAVE, "vid_grabkeyboard", "0", "whether to grab the keyboard when mouse is active (prevents use of volume control keys, music player keys, etc on some keyboards)"};
cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
cvar_t gl_combine = {0, "gl_combine", "1", "faster rendering by using GL_ARB_texture_env_combine extension (part of OpenGL 1.3 and above)"};
-cvar_t gl_finish = {0, "gl_finish", "0", "make the cpu wait for the graphics processor at the end of each frame render (can help with strange input or video lag problems on some machines)"};
+cvar_t gl_finish = {0, "gl_finish", "0", "make the cpu wait for the graphics processor at the end of each rendered frame (can help with strange input or video lag problems on some machines)"};
cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1", "inverse gamma correction value, a brightness effect that does not affect white or black, and tends to make the image grey and dull"};
cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1", "brightness of white (values above 1 give a brighter image with increased color saturation, unlike v_gamma)"};
cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
-cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1", "enables use of hardware gamma correction ramps if available (note: does not work very well on Windows2000 and above)"};
+cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1", "enables use of hardware gamma correction ramps if available (note: does not work very well on Windows2000 and above), values are 0 = off, 1 = attempt to use hardware gamma, 2 = use hardware gamma whether it works or not"};
cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
// brand of graphics chip
void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
+void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
//[515]: added on 29.07.2005
void (GLAPIENTRY *qglLineWidth)(GLfloat width);
void (GLAPIENTRY *qglPointSize)(GLfloat size);
+void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
+
+void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
+void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
{"glScissor", (void **) &qglScissor},
{"glPolygonOffset", (void **) &qglPolygonOffset},
{"glPolygonMode", (void **) &qglPolygonMode},
+ {"glPolygonStipple", (void **) &qglPolygonStipple},
{NULL, NULL}
};
{NULL, NULL}
};
+static dllfunction_t atiseparatestencilfuncs[] =
+{
+ {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
+ {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
+ {NULL, NULL}
+};
+
+static dllfunction_t gl2separatestencilfuncs[] =
+{
+ {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
+ {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
+ {NULL, NULL}
+};
+
static dllfunction_t stenciltwosidefuncs[] =
{
{"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
{NULL, NULL}
};
+static dllfunction_t blendequationfuncs[] =
+{
+ {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
+ {NULL, NULL}
+};
+
static dllfunction_t shaderobjectsfuncs[] =
{
{"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
gl_supportslockarrays = false;
gl_texture3d = false;
gl_texturecubemap = false;
+ gl_support_arb_texture_non_power_of_two = false;
gl_dot3arb = false;
gl_support_clamptoedge = false;
gl_support_anisotropy = false;
gl_max_anisotropy = 1;
+ gl_support_separatestencil = false;
gl_support_stenciltwoside = false;
+ gl_support_ext_blend_minmax = false;
+ gl_support_ext_blend_subtract = false;
gl_support_shader_objects = false;
gl_support_shading_language_100 = false;
gl_support_vertex_shader = false;
Con_Printf("GL_EXTENSIONS: %s\n", gl_extensions);
Con_Printf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
+ CHECKGLERROR
qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
Con_Print("Checking OpenGL extensions...\n");
// COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false)))
+ {
qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size);
+ if (gl_max_3d_texture_size < 32)
+ {
+ gl_texture3d = false;
+ Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
+ }
+ }
// COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false)))
qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size);
+ gl_support_arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
// COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
// COMMANDLINEOPTION: GL: -noedgeclamp disables GL_EXT_texture_edge_clamp or GL_SGIS_texture_edge_clamp (recommended, some cards do not support the other texture clamp method)
if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
+ gl_support_ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
+ gl_support_ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
+
+// COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (accelerates shadow rendering)
+ if (!(gl_support_separatestencil = GL_CheckExtension("glStencilOpSeparate", gl2separatestencilfuncs, "-noseparatestencil", false)))
+ gl_support_separatestencil = GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
// COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (accelerates shadow rendering)
gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
+ CHECKGLERROR
}
void Force_CenterView_f (void)
cl.viewangles[PITCH] = 0;
}
+static int gamma_forcenextframe = false;
static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3];
static int cachecolorenable, cachehwgamma;
-#define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
void VID_UpdateGamma(qboolean force, int rampsize)
{
cvar_t *c;
float f;
- static int forcenextframe = false;
+ int wantgamma;
// LordHavoc: don't mess with gamma tables if running dedicated
if (cls.state == ca_dedicated)
return;
- if (!force
- && !forcenextframe
- && !v_psycho.integer
- && vid_usinghwgamma == (vid_activewindow && v_hwgamma.integer)
- && v_gamma.value == cachegamma
- && v_contrast.value == cachecontrast
- && v_brightness.value == cachebrightness
- && cachecolorenable == v_color_enable.integer
- && cacheblack[0] == v_color_black_r.value
- && cacheblack[1] == v_color_black_g.value
- && cacheblack[2] == v_color_black_b.value
- && cachegrey[0] == v_color_grey_r.value
- && cachegrey[1] == v_color_grey_g.value
- && cachegrey[2] == v_color_grey_b.value
- && cachewhite[0] == v_color_white_r.value
- && cachewhite[1] == v_color_white_g.value
- && cachewhite[2] == v_color_white_b.value)
+ wantgamma = (vid_activewindow ? v_hwgamma.integer : 0);
+#define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
+ BOUNDCVAR(v_gamma, 0.1, 5);
+ BOUNDCVAR(v_contrast, 1, 5);
+ BOUNDCVAR(v_brightness, 0, 0.8);
+ BOUNDCVAR(v_color_black_r, 0, 0.8);
+ BOUNDCVAR(v_color_black_g, 0, 0.8);
+ BOUNDCVAR(v_color_black_b, 0, 0.8);
+ BOUNDCVAR(v_color_grey_r, 0, 0.95);
+ BOUNDCVAR(v_color_grey_g, 0, 0.95);
+ BOUNDCVAR(v_color_grey_b, 0, 0.95);
+ BOUNDCVAR(v_color_white_r, 1, 5);
+ BOUNDCVAR(v_color_white_g, 1, 5);
+ BOUNDCVAR(v_color_white_b, 1, 5);
+#undef BOUNDCVAR
+
+ if (force || v_psycho.integer)
+ gamma_forcenextframe = true;
+#define GAMMACHECK(cache, value) if (cache != (value)) gamma_forcenextframe = true;cache = (value)
+ GAMMACHECK(cachehwgamma , wantgamma);
+ GAMMACHECK(cachegamma , v_gamma.value);
+ GAMMACHECK(cachecontrast , v_contrast.value);
+ GAMMACHECK(cachebrightness , v_brightness.value);
+ GAMMACHECK(cachecolorenable, v_color_enable.integer);
+ GAMMACHECK(cacheblack[0] , v_color_black_r.value);
+ GAMMACHECK(cacheblack[1] , v_color_black_g.value);
+ GAMMACHECK(cacheblack[2] , v_color_black_b.value);
+ GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
+ GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
+ GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
+ GAMMACHECK(cachewhite[0] , v_color_white_r.value);
+ GAMMACHECK(cachewhite[1] , v_color_white_g.value);
+ GAMMACHECK(cachewhite[2] , v_color_white_b.value);
+#undef GAMMACHECK
+
+ if (!gamma_forcenextframe)
return;
- forcenextframe = false;
+ gamma_forcenextframe = false;
- if (vid_activewindow && v_hwgamma.integer)
+ if (cachehwgamma)
{
if (!vid_usinghwgamma)
{
vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
}
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_GetGamma(vid_systemgammaramps, vid_gammarampsize));
- if (!vid_hardwaregammasupported.integer)
- return;
+ VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
}
- BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value;
- BOUNDCVAR(v_contrast, 1, 5);cachecontrast = v_contrast.value;
- BOUNDCVAR(v_brightness, 0, 0.8);cachebrightness = v_brightness.value;
- BOUNDCVAR(v_color_black_r, 0, 0.8);cacheblack[0] = v_color_black_r.value;
- BOUNDCVAR(v_color_black_g, 0, 0.8);cacheblack[1] = v_color_black_g.value;
- BOUNDCVAR(v_color_black_b, 0, 0.8);cacheblack[2] = v_color_black_b.value;
- BOUNDCVAR(v_color_grey_r, 0, 0.95);cachegrey[0] = v_color_grey_r.value;
- BOUNDCVAR(v_color_grey_g, 0, 0.95);cachegrey[1] = v_color_grey_g.value;
- BOUNDCVAR(v_color_grey_b, 0, 0.95);cachegrey[2] = v_color_grey_b.value;
- BOUNDCVAR(v_color_white_r, 1, 5);cachewhite[0] = v_color_white_r.value;
- BOUNDCVAR(v_color_white_g, 1, 5);cachewhite[1] = v_color_white_g.value;
- BOUNDCVAR(v_color_white_b, 1, 5);cachewhite[2] = v_color_white_b.value;
- cachecolorenable = v_color_enable.integer;
- cachehwgamma = v_hwgamma.integer;
-
if (cachecolorenable)
{
BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps, rampsize);
static float n[3], nd[3], nt[3];
static int init = true;
unsigned short *ramp;
- forcenextframe = true;
+ gamma_forcenextframe = true;
if (init)
{
init = false;
*ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
}
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize));
+ // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
// if custom gamma ramps failed (Windows stupidity), restore to system gamma
if(!vid_hardwaregammasupported.integer)
{
- VID_RestoreSystemGamma();
- Cvar_SetValueQuick(&vid_hardwaregammasupported, false);
+ if (vid_usinghwgamma)
+ {
+ vid_usinghwgamma = false;
+ VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
+ }
}
}
else
- VID_RestoreSystemGamma();
+ {
+ if (vid_usinghwgamma)
+ {
+ vid_usinghwgamma = false;
+ VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
+ }
+ }
}
void VID_RestoreSystemGamma(void)
{
vid_usinghwgamma = false;
Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
+ // force gamma situation to be reexamined next frame
+ gamma_forcenextframe = true;
}
}
Cvar_RegisterVariable(&vid_height);
Cvar_RegisterVariable(&vid_bitsperpixel);
Cvar_RegisterVariable(&vid_refreshrate);
+ Cvar_RegisterVariable(&vid_stereobuffer);
Cvar_RegisterVariable(&vid_vsync);
Cvar_RegisterVariable(&vid_mouse);
+ Cvar_RegisterVariable(&vid_grabkeyboard);
Cvar_RegisterVariable(&vid_minwidth);
Cvar_RegisterVariable(&vid_minheight);
Cvar_RegisterVariable(&gl_combine);
Cvar_Set("gl_combine", "0");
}
-int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate)
+int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
{
- Con_Printf("Video: %s %dx%dx%dx%dhz\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate);
- if (VID_InitMode(fullscreen, width, height, bpp, refreshrate))
+ Con_Printf("Video: %s %dx%dx%dx%dhz%s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate, stereobuffer ? " stereo" : "");
+ if (VID_InitMode(fullscreen, width, height, bpp, refreshrate, stereobuffer))
{
vid.fullscreen = fullscreen;
vid.width = width;
vid.height = height;
vid.bitsperpixel = bpp;
vid.refreshrate = refreshrate;
+ vid.stereobuffer = stereobuffer;
Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
Cvar_SetValueQuick(&vid_width, width);
Cvar_SetValueQuick(&vid_height, height);
Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
Cvar_SetValueQuick(&vid_refreshrate, refreshrate);
+ Cvar_SetValueQuick(&vid_stereobuffer, stereobuffer);
return true;
}
else
vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
VID_CloseSystems();
VID_Shutdown();
- if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer))
+ if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer))
{
Con_Print("Video mode change failed\n");
- if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate))
+ if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer))
Sys_Error("Unable to restore to last working video mode");
}
VID_OpenSystems();
}
Con_Print("Starting video system\n");
- success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer);
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer);
if (!success)
{
Con_Print("Desired video mode fail, trying fallbacks...\n");
- success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, 60);
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, 60, vid_stereobuffer.integer);
+ if (!success && vid_stereobuffer.integer)
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, false);
if (!success && vid_bitsperpixel.integer > 16)
- success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, 16, 60);
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, 16, 60, false);
if (!success && (vid_width.integer > 640 || vid_height.integer > 480))
- success = VID_Mode(vid_fullscreen.integer, 640, 480, 16, 60);
+ success = VID_Mode(vid_fullscreen.integer, 640, 480, 16, 60, false);
if (!success && vid_fullscreen.integer)
- success = VID_Mode(false, 640, 480, 16, 60);
+ success = VID_Mode(false, 640, 480, 16, 60, false);
if (!success)
Sys_Error("Video modes failed");
}
projects / xonotic / darkplaces.git / blobdiff