wgl: More complete WGL_ARB_pbuffer support.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c b/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c
index ab56800e28..d0a95863bb 100644
--- a/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c
+++ b/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c
@@ -43,6 +43,7 @@
 
 #include "pipe/p_compiler.h"
 #include "util/u_memory.h"
+#include "stw_device.h"
 #include "stw_pixelformat.h"
 
 
@@ -234,6 +235,23 @@ stw_query_attrib(
       *pvalue = pfi->stvis.samples;
       break;
 
+
+   /* WGL_ARB_pbuffer */
+
+   case WGL_MAX_PBUFFER_WIDTH_ARB:
+   case WGL_MAX_PBUFFER_HEIGHT_ARB:
+      *pvalue = stw_dev->max_2d_length;
+      break;
+
+   case WGL_MAX_PBUFFER_PIXELS_ARB:
+      *pvalue = stw_dev->max_2d_length * stw_dev->max_2d_length;
+      break;
+
+   case WGL_DRAW_TO_PBUFFER_ARB:
+      *pvalue = 1;
+      break;
+
+
    default:
       return FALSE;
    }