Disable dithering for high colordepth

It is enabled by default in OpenGL

diff --git a/vid_shared.c b/vid_shared.c
index d8861d722707530bf127bba79788a681fac33e29..2e880cac6051fc8a7cc8c64397fdbb6cc144c60c 100644 (file)
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -843,6 +843,8 @@ void GL_Setup(void)
                        vid.allowalphatocoverage = false;
                }
        }
+       if (vid_bitsperpixel.integer >= 24)
+               qglDisable(GL_DITHER);
        // currently MSAA antialiasing is not implemented for fbo viewports, so we actually have to force this off anyway.
        vid.allowalphatocoverage = false;
 #endif