// GL_EXT_texture_filter_anisotropic
int gl_support_anisotropy = false;
int gl_max_anisotropy = 1;
-// GL_NV_texture_shader
-int gl_textureshader = false;
// GL_EXT_stencil_two_side
int gl_support_stenciltwoside = false;
// GL_ARB_shader_objects
qboolean vid_activewindow = true;
// we don't know until we try it!
-cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1"};
+cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
// whether hardware gamma ramps are currently in effect
qboolean vid_usinghwgamma = false;
-unsigned short vid_gammaramps[768];
-unsigned short vid_systemgammaramps[768];
-
-cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1"};
-cvar_t vid_width = {CVAR_SAVE, "vid_width", "640"};
-cvar_t vid_height = {CVAR_SAVE, "vid_height", "480"};
-cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32"};
-cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60"};
-
-cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0"};
-cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
-cvar_t vid_minwidth = {0, "vid_minwidth", "0"};
-cvar_t vid_minheight = {0, "vid_minheight", "0"};
-cvar_t gl_combine = {0, "gl_combine", "1"};
-cvar_t gl_finish = {0, "gl_finish", "0"};
-
-cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"};
-cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"};
-cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0"};
-cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0"};
-cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0"};
-cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0"};
-cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0"};
-cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5"};
-cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5"};
-cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5"};
-cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1"};
-cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1"};
-cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1"};
-cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"};
-cvar_t v_psycho = {0, "v_psycho", "0"};
+int vid_gammarampsize = 0;
+unsigned short *vid_gammaramps = NULL;
+unsigned short *vid_systemgammaramps = NULL;
+
+cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
+cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
+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_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_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 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_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
+cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
+cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
+cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
+cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
+cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
+cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
+cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
+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_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
// brand of graphics chip
const char *gl_vendor;
void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
void (GLAPIENTRY *qglUnlockArraysEXT) (void);
-//GL_NV_vertex_array_range
-GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
-GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
-GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
-GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
-
// general GL functions
void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
+void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
+
+//[515]: added on 29.07.2005
+void (GLAPIENTRY *qglLineWidth)(GLfloat width);
+void (GLAPIENTRY *qglPointSize)(GLfloat size);
void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
{"glVertex3f", (void **) &qglVertex3f},
{"glBegin", (void **) &qglBegin},
{"glEnd", (void **) &qglEnd},
+//[515]: added on 29.07.2005
+ {"glLineWidth", (void**) &qglLineWidth},
+ {"glPointSize", (void**) &qglPointSize},
+//
{"glMatrixMode", (void **) &qglMatrixMode},
{"glOrtho", (void **) &qglOrtho},
{"glFrustum", (void **) &qglFrustum},
{"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
{"glScissor", (void **) &qglScissor},
{"glPolygonOffset", (void **) &qglPolygonOffset},
+ {"glPolygonMode", (void **) &qglPolygonMode},
{NULL, NULL}
};
gl_support_clamptoedge = false;
gl_support_anisotropy = false;
gl_max_anisotropy = 1;
- gl_textureshader = false;
gl_support_stenciltwoside = false;
gl_support_shader_objects = false;
gl_support_shading_language_100 = false;
if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
-// COMMANDLINEOPTION: GL: -notextureshader disables GL_NV_texture_shader (required for the Geforce3 water shader, NVIDIA only)
- gl_textureshader = GL_CheckExtension("GL_NV_texture_shader", NULL, "-notextureshader", 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);
gl_support_half_float = GL_CheckExtension("GL_NV_half_float", NULL, "-nohalffloat", false);
}
-qboolean vid_vertexarrays_are_var = false;
-void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority)
-{
- void *m;
- vid_vertexarrays_are_var = false;
- if (fast && qglAllocateMemoryNV)
- {
- CHECKGLERROR
- m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
- CHECKGLERROR
- if (m)
- {
- vid_vertexarrays_are_var = true;
- return m;
- }
- }
- return Mem_Alloc(pool, size);
-}
-
-void VID_FreeVertexArrays(void *pointer)
-{
- if (vid_vertexarrays_are_var)
- {
- CHECKGLERROR
- qglFreeMemoryNV(pointer);
- CHECKGLERROR
- }
- else
- Mem_Free(pointer);
- vid_vertexarrays_are_var = false;
-}
-
void Force_CenterView_f (void)
{
cl.viewangles[PITCH] = 0;
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)
+void VID_UpdateGamma(qboolean force, int rampsize)
{
cvar_t *c;
float f;
if (!vid_usinghwgamma)
{
vid_usinghwgamma = true;
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_GetGamma(vid_systemgammaramps));
+ if (vid_gammarampsize != rampsize || !vid_gammaramps)
+ {
+ vid_gammarampsize = rampsize;
+ if (vid_gammaramps)
+ Z_Free(vid_gammaramps);
+ vid_gammaramps = 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;
}
BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value;
if (cachecolorenable)
{
BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps);
- BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256);
- BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + vid_gammarampsize);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + vid_gammarampsize*2);
}
else
{
BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps);
- BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256);
- BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512);
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + vid_gammarampsize);
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + vid_gammarampsize*2);
}
// LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
}
for (x = 0, ramp = vid_gammaramps;x < 3;x++)
- for (y = 0, t = n[x] - 0.75f;y < 256;y++, t += 0.75f * (2.0f / 256.0f))
+ for (y = 0, t = n[x] - 0.75f;y < vid_gammarampsize;y++, t += 0.75f * (2.0f / vid_gammarampsize))
*ramp++ = cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f;
}
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps));
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize));
// if custom gamma ramps failed (Windows stupidity), restore to system gamma
if(!vid_hardwaregammasupported.integer)
- VID_SetGamma(vid_systemgammaramps);
- }
- else
- {
- if (vid_usinghwgamma)
{
- vid_usinghwgamma = false;
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps));
+ VID_RestoreSystemGamma();
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, false);
}
}
+ else
+ VID_RestoreSystemGamma();
}
void VID_RestoreSystemGamma(void)
if (vid_usinghwgamma)
{
vid_usinghwgamma = false;
- VID_SetGamma(vid_systemgammaramps);
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
}
}
Cvar_RegisterVariable(&vid_minheight);
Cvar_RegisterVariable(&gl_combine);
Cvar_RegisterVariable(&gl_finish);
- Cmd_AddCommand("force_centerview", Force_CenterView_f);
- Cmd_AddCommand("vid_restart", VID_Restart_f);
+ 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)");
if (gamemode == GAME_GOODVSBAD2)
Cvar_Set("gl_combine", "0");
}
projects / xonotic / darkplaces.git / blobdiff