implemented vid_samples cvar (antialiasing samples per pixel)

[xonotic/darkplaces.git] / vid_agl.c

diff --git a/vid_agl.c b/vid_agl.c
index 1bf5995b11b91463796e4dbbfcf0e52010a2c8eb..2cf7194bc1edc202d9a5b6677575774c0713d497 100644 (file)
--- a/vid_agl.c
+++ b/vid_agl.c
@@ -499,7 +499,7 @@ static void VID_ProcessPendingAsyncEvents (void)
                Sys_Quit(0);
 }
 
-static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscreen, qboolean stereobuffer)
+static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscreen, qboolean stereobuffer, int samples)
 {
        *attrib++ = AGL_RGBA;
        *attrib++ = AGL_RED_SIZE;*attrib++ = 1;
@@ -518,10 +518,22 @@ static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscr
                *attrib++ = AGL_FULLSCREEN;
        if (stereobuffer)
                *attrib++ = AGL_STEREO;
+#ifdef AGL_SAMPLE_BUFFERS_ARB
+#ifdef AGL_SAMPLES_ARB
+       if (samples > 1)
+       {
+               *attrib++ = AGL_SAMPLE_BUFFERS_ARB;
+               *attrib++ = 1;
+               *attrib++ = AGL_SAMPLES_ARB;
+               *attrib++ = samples;
+       }
+#endif
+#endif
+
        *attrib++ = AGL_NONE;
 }
 
-int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
+int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
 {
     const EventTypeSpec winEvents[] =
        {
@@ -592,7 +604,7 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
                                                           GetEventTypeCount(winEvents), winEvents, window, NULL);
 
        // Create the desired attribute list
-       VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen, stereobuffer);
+       VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen, stereobuffer, samples);
 
        if (!fullscreen)
        {