1 files changed, 18 insertions, 6 deletions

diff --git a/src/gallium/state_trackers/glx/xlib/xm_st.c b/src/gallium/state_trackers/glx/xlib/xm_st.c
index c62eb8bfbd..0f74b3f7aa 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_st.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_st.c
@@ -26,18 +26,18 @@
  *    Chia-I Wu <olv@lunarg.com>
  */
 
-#include "util/u_memory.h"
-#include "util/u_inlines.h"
-
 #include "xm_api.h"
 #include "xm_st.h"
 
+#include "util/u_inlines.h"
+
 struct xmesa_st_framebuffer {
    XMesaDisplay display;
    XMesaBuffer buffer;
    struct pipe_screen *screen;
 
    struct st_visual stvis;
+   enum pipe_texture_target target;
 
    unsigned texture_width, texture_height, texture_mask;
    struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
@@ -139,7 +139,7 @@ xmesa_st_framebuffer_validate_textures(struct st_framebuffer_iface *stfbi,
    }
 
    memset(&templ, 0, sizeof(templ));
-   templ.target = PIPE_TEXTURE_2D;
+   templ.target = xstfb->target;
    templ.width0 = width;
    templ.height0 = height;
    templ.depth0 = 1;
@@ -210,6 +210,12 @@ xmesa_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
    /* record newly allocated textures */
    new_mask = statt_mask & ~xstfb->texture_mask;
 
+   /* If xmesa_strict_invalidate is not set, we will not yet have
+    * called XGetGeometry().  Do so here:
+    */
+   if (!xmesa_strict_invalidate)
+      xmesa_check_buffer_size(xstfb->buffer);
+
    resized = (xstfb->buffer->width != xstfb->texture_width ||
               xstfb->buffer->height != xstfb->texture_height);
 
@@ -251,7 +257,8 @@ xmesa_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
    boolean ret;
 
    ret = xmesa_st_framebuffer_display(stfbi, statt);
-   if (ret)
+
+   if (ret && xmesa_strict_invalidate)
       xmesa_check_buffer_size(xstfb->buffer);
 
    return ret;
@@ -279,6 +286,10 @@ xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
    xstfb->buffer = b;
    xstfb->screen = xmdpy->screen;
    xstfb->stvis = b->xm_visual->stvis;
+   if(xstfb->screen->get_param(xstfb->screen, PIPE_CAP_NPOT_TEXTURES))
+      xstfb->target = PIPE_TEXTURE_2D;
+   else
+      xstfb->target = PIPE_TEXTURE_RECT;
 
    stfbi->visual = &xstfb->stvis;
    stfbi->flush_front = xmesa_st_framebuffer_flush_front;
@@ -322,7 +333,8 @@ xmesa_swap_st_framebuffer(struct st_framebuffer_iface *stfbi)
          *back = tmp;
       }
 
-      xmesa_check_buffer_size(xstfb->buffer);
+      if (xmesa_strict_invalidate)
+	 xmesa_check_buffer_size(xstfb->buffer);
    }
 }