add a hack to support fog on premultiplied alpha surfaces too

[xonotic/darkplaces.git] / r_sky.c

diff --git a/r_sky.c b/r_sky.c
index e49ab57824221880474691f1dc9c7552be0e5533..4aa4d7fb34c800b44741defc974f4ff989006019 100644 (file)
--- a/r_sky.c
+++ b/r_sky.c
@@ -302,7 +302,8 @@ static void R_SkyBox(void)
        int i;
        RSurf_ActiveCustomEntity(&skymatrix, &skyinversematrix, 0, 0, 1, 1, 1, 1, 6*4, skyboxvertex3f, skyboxtexcoord2f, NULL, NULL, NULL, NULL, 6*2, skyboxelement3i, skyboxelement3s, false, false);
        for (i = 0;i < 6;i++)
-               R_DrawCustomSurface(skyboxskinframe[i], &identitymatrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST, i*4, 4, i*2, 2, false, false);
+               if(skyboxskinframe[i])
+                       R_DrawCustomSurface(skyboxskinframe[i], &identitymatrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST, i*4, 4, i*2, 2, false, false);
 }
 
 #define skygridx 32
@@ -454,6 +455,6 @@ void R_Sky_Init(void)
        Cvar_RegisterVariable (&r_skyscroll2);
        memset(&skyboxskinframe, 0, sizeof(skyboxskinframe));
        skyname[0] = 0;
-       R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap);
+       R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap, NULL, NULL);
 }