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)"};
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;
// 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);
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_minwidth);
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