4 files changed, 64 insertions, 39 deletions

diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index a8cc618d770..138f18aa99b 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -174,6 +174,13 @@ void st_make_current(struct st_context *st,
 }
 
 
+void st_copy_context_state(struct st_context *dst,
+                           struct st_context *src,
+                           uint mask)
+{
+   _mesa_copy_context(dst->ctx, src->ctx, mask);
+}
+
 
 void st_init_driver_functions(struct dd_function_table *functions)
 {
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 9b232827f4a..30407768b95 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -168,12 +168,13 @@ static INLINE struct st_context *st_context(GLcontext *ctx)
 
 
 /**
- * Wrapper for GLframebuffer, nothing extra for now.
+ * Wrapper for GLframebuffer.
  * This is an opaque type to the outside world.
  */
 struct st_framebuffer
 {
    GLframebuffer Base;
+   void *Private;
 };
 
 
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 2e7687d9c91..ec120ba39ab 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -35,7 +35,9 @@
 #include "st_cb_fbo.h"
 
 
-struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual )
+struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
+                                              boolean createRenderbuffers,
+                                              void *private)
 {
    struct st_framebuffer *stfb
       = CALLOC_STRUCT(st_framebuffer);
@@ -46,46 +48,48 @@ struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual )
 
       _mesa_initialize_framebuffer(&stfb->Base, visual);
 
-      {
-	 /* fake frontbuffer */
-	 /* XXX allocation should only happen in the unusual case
-            it's actually needed */
-         struct gl_renderbuffer *rb = st_new_renderbuffer_fb(rgbFormat);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
+      if (createRenderbuffers) {
+         {
+            /* fake frontbuffer */
+            /* XXX allocation should only happen in the unusual case
+               it's actually needed */
+            struct gl_renderbuffer *rb = st_new_renderbuffer_fb(rgbFormat);
+            _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
+         }
+
+         if (visual->doubleBufferMode) {
+            struct gl_renderbuffer *rb = st_new_renderbuffer_fb(rgbFormat);
+            _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
+         }
+
+         if (visual->depthBits == 24 && visual->stencilBits == 8) {
+            /* combined depth/stencil buffer */
+            struct gl_renderbuffer *depthStencilRb
+               = st_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT);
+            /* note: bind RB to two attachment points */
+            _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb);
+            _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL,depthStencilRb);
+         }
+         else if (visual->depthBits == 16) {
+            /* just 16-bit depth buffer, no hw stencil */
+            struct gl_renderbuffer *depthRb
+               = st_new_renderbuffer_fb(GL_DEPTH_COMPONENT16);
+            _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
+         }
+
+
+         /* now add any/all software-based renderbuffers we may need */
+         _mesa_add_soft_renderbuffers(&stfb->Base,
+                                      GL_FALSE, /* never sw color */
+                                      GL_FALSE, /* never sw depth */
+                                      swStencil, visual->accumRedBits > 0,
+                                      GL_FALSE, /* never sw alpha */
+                                      GL_FALSE  /* never sw aux */ );
       }
 
-      if (visual->doubleBufferMode) {
-         struct gl_renderbuffer *rb = st_new_renderbuffer_fb(rgbFormat);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
-      }
-
-      if (visual->depthBits == 24 && visual->stencilBits == 8) {
-         /* combined depth/stencil buffer */
-         struct gl_renderbuffer *depthStencilRb
-            = st_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT);
-         /* note: bind RB to two attachment points */
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL,depthStencilRb);
-      }
-      else if (visual->depthBits == 16) {
-         /* just 16-bit depth buffer, no hw stencil */
-         struct gl_renderbuffer *depthRb
-            = st_new_renderbuffer_fb(GL_DEPTH_COMPONENT16);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
-      }
-
-
-      /* now add any/all software-based renderbuffers we may need */
-      _mesa_add_soft_renderbuffers(&stfb->Base,
-                                   GL_FALSE, /* never sw color */
-                                   GL_FALSE, /* never sw depth */
-                                   swStencil, visual->accumRedBits > 0,
-                                   GL_FALSE, /* never sw alpha */
-                                   GL_FALSE  /* never sw aux */ );
-
-
       stfb->Base.Initialized = GL_TRUE;
 
+      stfb->Private = private;
    }
    return stfb;
 }
@@ -149,3 +153,9 @@ st_notify_swapbuffers(struct st_framebuffer *stfb)
    }
 }
 
+
+void *st_framebuffer_private( struct st_framebuffer *stfb )
+{
+   return stfb->Private;
+}
+
diff --git a/src/mesa/state_tracker/st_public.h b/src/mesa/state_tracker/st_public.h
index 8162ceeffab..c94e8d32c8a 100644
--- a/src/mesa/state_tracker/st_public.h
+++ b/src/mesa/state_tracker/st_public.h
@@ -53,7 +53,12 @@ void st_destroy_context( struct st_context *st );
 
 void st_destroy_context2( struct st_context *st );
 
-struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual );
+void st_copy_context_state(struct st_context *dst, struct st_context *src,
+                           uint mask);
+
+struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
+                                              GLboolean createRenderbuffers,
+                                              void *privateData);
 
 void st_resize_framebuffer( struct st_framebuffer *stfb,
                             GLuint width, GLuint height );
@@ -61,6 +66,8 @@ void st_resize_framebuffer( struct st_framebuffer *stfb,
 struct pipe_surface *st_get_framebuffer_surface(struct st_framebuffer *stfb,
                                                 uint surfIndex);
 
+void *st_framebuffer_private( struct st_framebuffer *stfb );
+
 void st_unreference_framebuffer( struct st_framebuffer **stfb );
 
 void st_make_current(struct st_context *st,