moved a lot of 2D/screen stuff out of gl_screen.c into cl_screen.c

[xonotic/darkplaces.git] / palette.c

diff --git a/palette.c b/palette.c
index cdcbd1e7144fa0c3972e47e6395952888a9bd26a..76a2de55f1eb7dfd36c961f439cc458775d8e8b2 100644 (file)
--- a/palette.c
+++ b/palette.c
@@ -6,9 +6,11 @@ unsigned int d_8to24table[256];
 byte host_basepal[768];
 byte texgamma[256];
 
-cvar_t vid_gamma = {CVAR_SAVE, "vid_gamma", "1"};
-cvar_t vid_brightness = {CVAR_SAVE, "vid_brightness", "1"};
-cvar_t vid_contrast = {CVAR_SAVE, "vid_contrast", "1"};
+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_overbrightbits = {CVAR_SAVE, "v_overbrightbits", "0"};
+cvar_t v_hwgamma = {0, "v_hwgamma", "1"};
 
 void Palette_Setup8to24(void)
 {
@@ -117,45 +119,57 @@ void BuildGammaTable16(float prescale, float gamma, float scale, float base, uns
 qboolean hardwaregammasupported = false;
 void VID_UpdateGamma(qboolean force)
 {
-       static float cachegamma = -1, cachebrightness = -1, cachecontrast = -1, cachelighthalf = -1;
+       static float cachegamma = -1, cachebrightness = -1, cachecontrast = -1;
+       static int cacheoverbrightbits = -1, cachehwgamma = -1;
 
        // LordHavoc: don't mess with gamma tables if running dedicated
        if (cls.state == ca_dedicated)
                return;
 
-       if (!force && vid_gamma.value == cachegamma && vid_brightness.value == cachebrightness && vid_contrast.value == cachecontrast && lighthalf == cachelighthalf)
+       if (!force
+        && v_gamma.value == cachegamma
+        && v_contrast.value == cachecontrast
+        && v_brightness.value == cachebrightness
+        && v_overbrightbits.integer == cacheoverbrightbits
+        && v_hwgamma.value == cachehwgamma)
                return;
 
-       if (vid_gamma.value < 0.1)
-               Cvar_SetValue("vid_gamma", 0.1);
-       if (vid_gamma.value > 5.0)
-               Cvar_SetValue("vid_gamma", 5.0);
+       if (v_gamma.value < 0.1)
+               Cvar_SetValue("v_gamma", 0.1);
+       if (v_gamma.value > 5.0)
+               Cvar_SetValue("v_gamma", 5.0);
 
-       if (vid_brightness.value < 1.0)
-               Cvar_SetValue("vid_brightness", 1.0);
-       if (vid_brightness.value > 5.0)
-               Cvar_SetValue("vid_brightness", 5.0);
+       if (v_contrast.value < 0.5)
+               Cvar_SetValue("v_contrast", 0.5);
+       if (v_contrast.value > 5.0)
+               Cvar_SetValue("v_contrast", 5.0);
 
-       if (vid_contrast.value < 0.2)
-               Cvar_SetValue("vid_contrast", 0.2);
-       if (vid_contrast.value > 1)
-               Cvar_SetValue("vid_contrast", 1);
+       if (v_brightness.value < 0)
+               Cvar_SetValue("v_brightness", 0);
+       if (v_brightness.value > 0.8)
+               Cvar_SetValue("v_brightness", 0.8);
 
-       cachegamma = vid_gamma.value;
-       cachebrightness = vid_brightness.value;
-       cachecontrast = vid_contrast.value;
-       cachelighthalf = lighthalf;
+       cachegamma = v_gamma.value;
+       cachecontrast = v_contrast.value;
+       cachebrightness = v_brightness.value;
+       cacheoverbrightbits = v_overbrightbits.integer;
 
-       hardwaregammasupported = VID_SetGamma((cachelighthalf ? 2.0f : 1.0f), cachegamma, cachebrightness * cachecontrast, 1 - cachecontrast);
+       hardwaregammasupported = VID_SetGamma((float) (1 << cacheoverbrightbits), cachegamma, cachecontrast, cachebrightness);
        if (!hardwaregammasupported)
+       {
                Con_Printf("Hardware gamma not supported.\n");
+               Cvar_SetValue("v_hwgamma", 0);
+       }
+       cachehwgamma = v_hwgamma.integer;
 }
 
 void Gamma_Init(void)
 {
-       Cvar_RegisterVariable(&vid_gamma);
-       Cvar_RegisterVariable(&vid_brightness);
-       Cvar_RegisterVariable(&vid_contrast);
+       Cvar_RegisterVariable(&v_gamma);
+       Cvar_RegisterVariable(&v_brightness);
+       Cvar_RegisterVariable(&v_contrast);
+       Cvar_RegisterVariable(&v_hwgamma);
+       Cvar_RegisterVariable(&v_overbrightbits);
 }
 
 void Palette_Init(void)