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_samples = {CVAR_SAVE, "vid_samples", "1", "how many anti-aliasing samples per pixel to request from the graphics driver (4 is recommended, 1 is faster)"};
+cvar_t vid_multisampling = {CVAR_SAVE, "vid_multisampling", "0", "Make use of GL_AGB_MULTISAMPLING for advaced anti-aliasing techniques such as Alpha-To-Coverage, not yet finished"};
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_userefreshrate = {CVAR_SAVE, "vid_userefreshrate", "0", "set this to 1 to make vid_refreshrate used, or to 0 to let the engine choose a sane default"};
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_gl13 = {0, "vid_gl13", "1", "enables faster rendering using OpenGL 1.3 features (such as GL_ARB_texture_env_combine extension)"};
cvar_t vid_gl20 = {0, "vid_gl20", "1", "enables faster rendering using OpenGL 2.0 features (such as GL_ARB_fragment_shader extension)"};
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 vid_sRGB = {CVAR_SAVE, "vid_sRGB", "0", "if hardware is capable, modify rendering to be gamma corrected for the sRGB color standard (computer monitors, TVs), recommended"};
cvar_t vid_touchscreen = {0, "vid_touchscreen", "0", "Use touchscreen-style input (no mouse grab, track mouse motion only while button is down, screen areas for mimicing joystick axes and buttons"};
cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
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), values are 0 = off, 1 = attempt to use hardware gamma, 2 = use hardware gamma whether it works or not"};
-cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
+cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "0", "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_glslgamma = {CVAR_SAVE, "v_glslgamma", "1", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
cvar_t v_psycho = {0, "v_psycho", "0", "easter egg"};
// brand of graphics chip
void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
+void (GLAPIENTRY *qglSampleCoverageARB)(GLclampf value, GLboolean invert);
+
#if _MSC_VER >= 1400
#define sscanf sscanf_s
#endif
{NULL, NULL}
};
+static dllfunction_t multisamplefuncs[] =
+{
+ {"glSampleCoverageARB", (void **) &qglSampleCoverageARB},
+ {NULL, NULL}
+};
+
void VID_ClearExtensions(void)
{
// VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
// clear the extension flags
memset(&vid.support, 0, sizeof(vid.support));
vid.renderpath = RENDERPATH_GL11;
+ vid.sRGBcapable2D = false;
+ vid.sRGBcapable3D = false;
vid.useinterleavedarrays = false;
vid.forcevbo = false;
vid.maxtexturesize_2d = 0;
void VID_CheckExtensions(void)
{
- if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
+ if (!GL_CheckExtension("glbase", opengl110funcs, NULL, false))
Sys_Error("OpenGL 1.1.0 functions not found");
- vid.support.gl20shaders = GL_CheckExtension("2.0", gl20shaderfuncs, "-noshaders", false);
+ vid.support.gl20shaders = GL_CheckExtension("GL_ARB_fragment_shader", gl20shaderfuncs, "-noshaders", true);
CHECKGLERROR
Con_DPrint("Checking OpenGL extensions...\n");
- // this one is purely optional, needed for GLSL 1.3 support (#version 130), so we don't even check the return value of GL_CheckExtension
- vid.support.gl20shaders130 = GL_CheckExtension("2.0", glsl130funcs, "-noglsl130", false);
- if(vid.support.gl20shaders130)
+ if (vid.support.gl20shaders)
{
- char *s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
- if(!s || atof(s) < 1.30 - 0.00001)
- vid.support.gl20shaders130 = 0;
+ // this one is purely optional, needed for GLSL 1.3 support (#version 130), so we don't even check the return value of GL_CheckExtension
+ vid.support.gl20shaders130 = GL_CheckExtension("glshaders130", glsl130funcs, "-noglsl130", true);
+ if(vid.support.gl20shaders130)
+ {
+ char *s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
+ if(!s || atof(s) < 1.30 - 0.00001)
+ vid.support.gl20shaders130 = 0;
+ }
+ if(vid.support.gl20shaders130)
+ Con_DPrintf("Using GLSL 1.30\n");
+ else
+ Con_DPrintf("Using GLSL 1.00\n");
}
- if(vid.support.gl20shaders130)
- Con_DPrintf("Using GLSL 1.30\n");
- else
- Con_DPrintf("Using GLSL 1.00\n");
// GL drivers generally prefer GL_BGRA
vid.forcetextype = GL_BGRA;
vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
vid.support.arb_texture_env_combine = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
+#ifndef __APPLE__
+ // LordHavoc: too many bugs on OSX!
vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
+#endif
vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
- vid.support.ati_separate_stencil = GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
+ vid.support.ati_separate_stencil = GL_CheckExtension("separatestencil", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
- vid.support.ext_draw_range_elements = GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
+ vid.support.ext_draw_range_elements = GL_CheckExtension("drawrangeelements", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
vid.support.ext_texture_edge_clamp = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
vid.support.ext_texture_srgb = GL_CheckExtension("GL_EXT_texture_sRGB", NULL, "-nosrgb", false);
+ vid.support.arb_multisample = GL_CheckExtension("GL_ARB_multisample", multisamplefuncs, "-nomultisample", false);
+
// COMMANDLINEOPTION: GL: -noshaders disables use of OpenGL 2.0 shaders (which allow pixel shader effects, can improve per pixel lighting performance and capabilities)
// COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
// COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax
// COMMANDLINEOPTION: GL: -notexturenonpoweroftwo disables GL_ARB_texture_non_power_of_two (which saves video memory if it is supported, but crashes on some buggy drivers)
// COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
// COMMANDLINEOPTION: GL: -nosrgb disables GL_EXT_texture_sRGB (which is used for higher quality non-linear texture gamma)
+// COMMANDLINEOPTION: GL: -nomultisample disables GL_ARB_multisample
if (vid.support.arb_draw_buffers)
qglGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, (GLint*)&vid.maxdrawbuffers);
vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
Con_DPrintf("Using GL2.0 rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : "");
vid.renderpath = RENDERPATH_GL20;
+ vid.sRGBcapable2D = false;
+ vid.sRGBcapable3D = true;
vid.useinterleavedarrays = false;
}
else if (vid.support.arb_texture_env_combine && vid.texunits >= 2 && vid_gl13.integer)
vid.texarrayunits = vid.texunits;
Con_DPrintf("Using GL1.3 rendering path - %i texture units, single pass rendering\n", vid.texunits);
vid.renderpath = RENDERPATH_GL13;
+ vid.sRGBcapable2D = false;
+ vid.sRGBcapable3D = false;
vid.useinterleavedarrays = false;
}
else
vid.texarrayunits = vid.texunits;
Con_DPrintf("Using GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits);
vid.renderpath = RENDERPATH_GL11;
+ vid.sRGBcapable2D = false;
+ vid.sRGBcapable3D = false;
vid.useinterleavedarrays = false;
}
qboolean vid_gammatables_trivial = true;
void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
{
+ float srgbmul = (vid.sRGB2D || vid.sRGB3D) ? 2.2f : 1.0f;
if (cachecolorenable)
{
- BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
- BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
- BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]) * srgbmul, cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]) * srgbmul, cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]) * srgbmul, cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
}
else
{
- BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
- BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
- BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
+ BuildGammaTable16(1.0f, cachegamma * srgbmul, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
+ BuildGammaTable16(1.0f, cachegamma * srgbmul, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
+ BuildGammaTable16(1.0f, cachegamma * srgbmul, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
}
// LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
vid_gammatables_trivial = false;
if(v_psycho.integer == 0)
if(v_contrastboost.value == 1)
+ if(!vid.sRGB2D)
+ if(!vid.sRGB3D)
{
if(v_color_enable.integer)
{
Cvar_RegisterVariable(&vid_height);
Cvar_RegisterVariable(&vid_bitsperpixel);
Cvar_RegisterVariable(&vid_samples);
+ Cvar_RegisterVariable(&vid_multisampling);
Cvar_RegisterVariable(&vid_refreshrate);
Cvar_RegisterVariable(&vid_userefreshrate);
Cvar_RegisterVariable(&vid_stereobuffer);
Cvar_RegisterVariable(&vid_gl13);
Cvar_RegisterVariable(&vid_gl20);
Cvar_RegisterVariable(&gl_finish);
+ Cvar_RegisterVariable(&vid_sRGB);
Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
}
vid.stereobuffer = vid.mode.stereobuffer;
vid.samples = vid.mode.samples;
vid.stencil = vid.mode.bitsperpixel > 16;
+ vid.sRGB2D = vid_sRGB.integer >= 1 && vid.sRGBcapable2D;
+ vid.sRGB3D = vid_sRGB.integer >= 1 && vid.sRGBcapable3D;
Con_Printf("Video Mode: %s %dx%dx%dx%.2fhz%s%s\n", mode.fullscreen ? "fullscreen" : "window", mode.width, mode.height, mode.bitsperpixel, mode.refreshrate, mode.stereobuffer ? " stereo" : "", mode.samples > 1 ? va(" (%ix AA)", mode.samples) : "");
vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
Con_DPrintf("Using DarkPlaces Software Rasterizer rendering path\n");
vid.renderpath = RENDERPATH_SOFT;
+ vid.sRGBcapable2D = false;
+ vid.sRGBcapable3D = false;
vid.useinterleavedarrays = false;
Cvar_SetQuick(&gl_info_vendor, gl_vendor);
// clear to black (loading plaque will be seen over this)
GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 128);
-}
\ No newline at end of file
+}
projects / xonotic / darkplaces.git / blobdiff