4 files changed, 36 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index eece7dee11..0c69e16623 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -354,11 +354,13 @@ st_render_texture(GLcontext *ctx,
 {
    struct st_renderbuffer *strb;
    struct gl_renderbuffer *rb;
-   struct pipe_texture *pt;
+   struct pipe_texture *pt = st_get_texobj_texture(att->Texture);
    struct st_texture_object *stObj;
    const struct gl_texture_image *texImage =
       att->Texture->Image[att->CubeMapFace][att->TextureLevel];
 
+   if (!pt) 
+      return;
 
    assert(!att->Renderbuffer);
 
@@ -387,8 +389,6 @@ st_render_texture(GLcontext *ctx,
    rb->Height = texImage->Height2;
    /*printf("***** render to texture level %d: %d x %d\n", att->TextureLevel, rb->Width, rb->Height);*/
 
-   pt = st_get_texobj_texture(att->Texture);
-   assert(pt);
    /*printf("***** pipe texture %d x %d\n", pt->width[0], pt->height[0]);*/
 
    pipe_texture_reference( &strb->texture, pt );
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index a15faf732c..9e5c35072a 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -160,9 +160,14 @@ st_generate_mipmap(GLcontext *ctx, GLenum target,
    struct st_context *st = ctx->st;
    struct pipe_texture *pt = st_get_texobj_texture(texObj);
    const uint baseLevel = texObj->BaseLevel;
-   const uint lastLevel = pt->last_level;
+   uint lastLevel;
    uint dstLevel;
 
+   if (!pt)
+      return;
+
+   lastLevel = pt->last_level;
+
    if (!st_render_mipmap(st, target, pt, baseLevel, lastLevel)) {
       fallback_generate_mipmap(ctx, target, texObj);
    }
diff --git a/src/mesa/state_tracker/wgl/stw_device.c b/src/mesa/state_tracker/wgl/stw_device.c
index e2a17d83ac..129b24ce77 100644
--- a/src/mesa/state_tracker/wgl/stw_device.c
+++ b/src/mesa/state_tracker/wgl/stw_device.c
@@ -28,6 +28,8 @@
 #include <windows.h>
 
 #include "pipe/p_debug.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_screen.h"
 
 #include "stw_device.h"
 #include "stw_winsys.h"
@@ -37,6 +39,23 @@
 struct stw_device *stw_dev = NULL;
 
 
+/**
+ * XXX: Dispatch pipe_winsys::flush_front_buffer to our 
+ * stw_winsys::flush_front_buffer.
+ */
+static void 
+st_flush_frontbuffer(struct pipe_winsys *ws,
+                     struct pipe_surface *surf,
+                     void *context_private )
+{
+   const struct stw_winsys *stw_winsys = stw_dev->stw_winsys;
+   struct pipe_winsys *winsys = stw_dev->screen->winsys;
+   HDC hdc = (HDC)context_private;
+   
+   stw_winsys->flush_frontbuffer(winsys, surf, hdc);
+}
+
+
 boolean
 st_init(const struct stw_winsys *stw_winsys)
 {
@@ -53,6 +72,9 @@ st_init(const struct stw_winsys *stw_winsys)
    if(!stw_dev->screen)
       goto error1;
 
+   /* XXX: pipe_winsys::flush_frontbuffer should go away */
+   stw_dev->screen->winsys->flush_frontbuffer = st_flush_frontbuffer;
+   
    pixelformat_init();
 
    return TRUE;
diff --git a/src/mesa/state_tracker/wgl/stw_wgl_context.c b/src/mesa/state_tracker/wgl/stw_wgl_context.c
index 0c13c6b68a..890d97fd72 100644
--- a/src/mesa/state_tracker/wgl/stw_wgl_context.c
+++ b/src/mesa/state_tracker/wgl/stw_wgl_context.c
@@ -111,6 +111,9 @@ wglCreateContext(
       FREE( ctx );
       return NULL;
    }
+   
+   assert(!pipe->priv);
+   pipe->priv = hdc;
 
    ctx->st = st_create_context( pipe, visual, NULL );
    if (ctx->st == NULL) {
@@ -265,6 +268,8 @@ wglMakeCurrent(
    if (ctx && fb) {
       st_make_current( ctx->st, fb->stfb, fb->stfb );
       framebuffer_resize( fb, width, height );
+      ctx->hdc = hdc;
+      ctx->st->pipe->priv = hdc;
    }
    else {
       /* Detach */