st/mesa: Drop st_public support.

There is no user of st_public now.

16 files changed, 22 insertions, 1018 deletions

diff --git a/src/mesa/sources.mak b/src/mesa/sources.mak
index f6d52b8e0f..d9ebb51a6d 100644
--- a/src/mesa/sources.mak
+++ b/src/mesa/sources.mak
@@ -214,7 +214,6 @@ STATETRACKER_SOURCES = \
 	state_tracker/st_draw_feedback.c \
 	state_tracker/st_extensions.c \
 	state_tracker/st_format.c \
-	state_tracker/st_framebuffer.c \
 	state_tracker/st_gen_mipmap.c \
 	state_tracker/st_manager.c \
 	state_tracker/st_mesa_to_tgsi.c \
diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index d33ddc83f6..1cd5546337 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -34,7 +34,6 @@
 #include "st_context.h"
 #include "st_atom.h"
 #include "st_cb_fbo.h"
-#include "st_public.h"
 #include "st_texture.h"
 #include "pipe/p_context.h"
 #include "cso_cache/cso_context.h"
@@ -155,23 +154,6 @@ update_framebuffer_state( struct st_context *st )
    }
 
    cso_set_framebuffer(st->cso_context, framebuffer);
-
-   if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
-      if (st->frontbuffer_status == FRONT_STATUS_COPY_OF_BACK) {
-         /* copy back color buffer to front color buffer */
-         struct st_framebuffer *stfb = (struct st_framebuffer *) fb;
-	 struct pipe_surface *surf_front, *surf_back;
-         (void) st_get_framebuffer_surface(stfb, ST_SURFACE_FRONT_LEFT, &surf_front);
-         (void) st_get_framebuffer_surface(stfb, ST_SURFACE_BACK_LEFT, &surf_back);
-
-         st->pipe->surface_copy(st->pipe,
-                                surf_front, 0, 0,  /* dest */
-                                surf_back, 0, 0,   /* src */
-                                fb->Width, fb->Height);
-      }
-      /* we're assuming we'll really draw to the front buffer */
-      st->frontbuffer_status = FRONT_STATUS_DIRTY;
-   }
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index a693141921..2732969d95 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -38,7 +38,6 @@
 #include "st_context.h"
 #include "st_cb_accum.h"
 #include "st_cb_fbo.h"
-#include "st_public.h"
 #include "st_texture.h"
 #include "st_inlines.h"
 #include "pipe/p_context.h"
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index eb9ba0557d..2f77aff7a6 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -43,7 +43,6 @@
 #include "st_cb_clear.h"
 #include "st_cb_fbo.h"
 #include "st_program.h"
-#include "st_public.h"
 #include "st_inlines.h"
 
 #include "pipe/p_context.h"
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index d50970f7e4..aec487b001 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -45,8 +45,8 @@
 #include "pipe/p_screen.h"
 #include "st_context.h"
 #include "st_cb_fbo.h"
+#include "st_cb_flush.h"
 #include "st_format.h"
-#include "st_public.h"
 #include "st_texture.h"
 #include "st_manager.h"
 
@@ -490,111 +490,6 @@ st_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
 
 
 /**
- * Copy back color buffer to front color buffer.
- */
-static void
-copy_back_to_front(struct st_context *st,
-                   struct gl_framebuffer *fb,
-                   gl_buffer_index frontIndex,
-                   gl_buffer_index backIndex)
-
-{
-   struct st_framebuffer *stfb = (struct st_framebuffer *) fb;
-   struct pipe_surface *surf_front, *surf_back;
-
-   (void) st_get_framebuffer_surface(stfb, frontIndex, &surf_front);
-   (void) st_get_framebuffer_surface(stfb, backIndex, &surf_back);
-
-   if (surf_front && surf_back) {
-      st->pipe->surface_copy(st->pipe,
-                             surf_front, 0, 0,  /* dest */
-                             surf_back, 0, 0,   /* src */
-                             fb->Width, fb->Height);
-   }
-}
-
-
-/**
- * Check if we're drawing into, or read from, a front color buffer.  If the
- * front buffer is missing, create it now.
- *
- * The back color buffer must exist since we'll use its format/samples info
- * for creating the front buffer.
- *
- * \param frontIndex  either BUFFER_FRONT_LEFT or BUFFER_FRONT_RIGHT
- * \param backIndex  either BUFFER_BACK_LEFT or BUFFER_BACK_RIGHT
- */
-static void
-check_create_front_buffer(GLcontext *ctx, struct gl_framebuffer *fb,
-                          gl_buffer_index frontIndex,
-                          gl_buffer_index backIndex)
-{
-   if (fb->Attachment[frontIndex].Renderbuffer == NULL) {
-      GLboolean create = GL_FALSE;
-
-      /* check if drawing to or reading from front buffer */
-      if (fb->_ColorReadBufferIndex == frontIndex) {
-         create = GL_TRUE;
-      }
-      else {
-         GLuint b;
-         for (b = 0; b < fb->_NumColorDrawBuffers; b++) {
-            if (fb->_ColorDrawBufferIndexes[b] == frontIndex) {
-               create = GL_TRUE;
-               break;
-            }
-         }
-      }
-
-      if (create) {
-         struct st_renderbuffer *back;
-         struct gl_renderbuffer *front;
-         enum pipe_format colorFormat;
-         uint samples;
-
-         if (0)
-            _mesa_debug(ctx, "Allocate new front buffer\n");
-
-         /* get back renderbuffer info */
-         back = st_renderbuffer(fb->Attachment[backIndex].Renderbuffer);
-         colorFormat = back->format;
-         samples = back->Base.NumSamples;
-
-         /* create front renderbuffer */
-         front = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
-         _mesa_add_renderbuffer(fb, frontIndex, front);
-
-         /* alloc texture/surface for new front buffer */
-         front->AllocStorage(ctx, front, front->InternalFormat,
-                             fb->Width, fb->Height);
-
-         /* initialize the front color buffer contents by copying
-          * the back buffer.
-          */
-         copy_back_to_front(ctx->st, fb, frontIndex, backIndex);
-      }
-   }
-}
-
-
-/**
- * If front left/right color buffers are missing, create them now.
- */
-static void
-check_create_front_buffers(GLcontext *ctx, struct gl_framebuffer *fb)
-{
-   /* check if we need to create the front left buffer now */
-   check_create_front_buffer(ctx, fb, BUFFER_FRONT_LEFT, BUFFER_BACK_LEFT);
-
-   if (fb->Visual.stereoMode) {
-      check_create_front_buffer(ctx, fb, BUFFER_FRONT_RIGHT, BUFFER_BACK_RIGHT);
-   }
-
-   st_invalidate_state(ctx, _NEW_BUFFERS);
-}
-
-
-/**
  * Called via glDrawBuffer.
  */
 static void
@@ -611,8 +506,6 @@ st_DrawBuffers(GLcontext *ctx, GLsizei count, const GLenum *buffers)
       gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i];
       st_manager_add_color_renderbuffer(ctx->st, fb, idx);
    }
-
-   check_create_front_buffers(ctx, ctx->DrawBuffer);
 }
 
 
@@ -628,7 +521,6 @@ st_ReadBuffer(GLcontext *ctx, GLenum buffer)
 
    /* add the renderbuffer on demand */
    st_manager_add_color_renderbuffer(ctx->st, fb, fb->_ColorReadBufferIndex);
-   check_create_front_buffers(ctx, fb);
 }
 
 
diff --git a/src/mesa/state_tracker/st_cb_flush.c b/src/mesa/state_tracker/st_cb_flush.c
index 30e7afcf2a..415e8f3d2a 100644
--- a/src/mesa/state_tracker/st_cb_flush.c
+++ b/src/mesa/state_tracker/st_cb_flush.c
@@ -39,7 +39,6 @@
 #include "st_cb_flush.h"
 #include "st_cb_clear.h"
 #include "st_cb_fbo.h"
-#include "st_public.h"
 #include "st_manager.h"
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
@@ -52,15 +51,10 @@
 static INLINE GLboolean
 is_front_buffer_dirty(struct st_context *st)
 {
-   if (st->frontbuffer_status == FRONT_STATUS_DIRTY) {
-      return GL_TRUE;
-   }
-   else {
-      GLframebuffer *fb = st->ctx->DrawBuffer;
-      struct st_renderbuffer *strb
-         = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
-      return strb && strb->defined;
-   }
+   GLframebuffer *fb = st->ctx->DrawBuffer;
+   struct st_renderbuffer *strb
+      = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+   return strb && strb->defined;
 }
 
 
@@ -78,10 +72,6 @@ display_front_buffer(struct st_context *st)
       /* Hook for copying "fake" frontbuffer if necessary:
        */
       st_manager_flush_frontbuffer(st);
-
-      /*
-        st->frontbuffer_status = FRONT_STATUS_UNDEFINED;
-      */
    }
 }
 
diff --git a/src/mesa/state_tracker/st_cb_flush.h b/src/mesa/state_tracker/st_cb_flush.h
index c26f779225..7fca0176a3 100644
--- a/src/mesa/state_tracker/st_cb_flush.h
+++ b/src/mesa/state_tracker/st_cb_flush.h
@@ -33,6 +33,13 @@
 extern void
 st_init_flush_functions(struct dd_function_table *functions);
 
+extern void
+st_flush(struct st_context *st, uint pipeFlushFlags,
+         struct pipe_fence_handle **fence);
+
+extern void
+st_finish(struct st_context *st);
+
 
 #endif /* ST_CB_FLUSH_H */
 
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 3c06221c87..67c3b9adbb 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -48,7 +48,6 @@
 #include "st_atom.h"
 #include "st_cb_readpixels.h"
 #include "st_cb_fbo.h"
-#include "st_public.h"
 #include "st_texture.h"
 #include "st_inlines.h"
 
@@ -170,7 +169,6 @@ st_read_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
 /**
  * Return renderbuffer to use for reading color pixels for glRead/CopyPixel
  * commands.
- * Special care is needed for the front buffer.
  */
 struct st_renderbuffer *
 st_get_color_read_renderbuffer(GLcontext *ctx)
@@ -178,18 +176,6 @@ st_get_color_read_renderbuffer(GLcontext *ctx)
    struct gl_framebuffer *fb = ctx->ReadBuffer;
    struct st_renderbuffer *strb =
       st_renderbuffer(fb->_ColorReadBuffer);
-   struct st_renderbuffer *front = 
-      st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
-
-   if (strb == front
-       && ctx->st->frontbuffer_status == FRONT_STATUS_COPY_OF_BACK) {
-      /* reading from front color buffer, which is a logical copy of the
-       * back color buffer.
-       */
-      struct st_renderbuffer *back = 
-         st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
-      strb = back;
-   }
 
    return strb;
 }
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index ce112f6795..196bf1325f 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -49,7 +49,6 @@
 #include "state_tracker/st_cb_fbo.h"
 #include "state_tracker/st_cb_texture.h"
 #include "state_tracker/st_format.h"
-#include "state_tracker/st_public.h"
 #include "state_tracker/st_texture.h"
 #include "state_tracker/st_gen_mipmap.h"
 #include "state_tracker/st_inlines.h"
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 0a1503fc69..c753fdca34 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -31,7 +31,6 @@
 #include "shader/shader_api.h"
 #include "glapi/glapi.h"
 #include "st_context.h"
-#include "st_public.h"
 #include "st_debug.h"
 #include "st_cb_accum.h"
 #include "st_cb_bitmap.h"
@@ -288,56 +287,6 @@ void st_destroy_context( struct st_context *st )
 }
 
 
-GLboolean
-st_make_current(struct st_context *st,
-                struct st_framebuffer *draw,
-                struct st_framebuffer *read,
-                void *winsys_drawable_handle )
-{
-   /* Call this periodically to detect when the user has begun using
-    * GL rendering from multiple threads.
-    */
-   _glapi_check_multithread();
-
-   if (st) {
-      if (!_mesa_make_current(st->ctx, &draw->Base, &read->Base)) {
-         st->pipe->priv = NULL;
-         return GL_FALSE;
-      }
-
-      _mesa_check_init_viewport(st->ctx, draw->InitWidth, draw->InitHeight);
-      st->winsys_drawable_handle = winsys_drawable_handle;
-
-      return GL_TRUE;
-   }
-   else {
-      return _mesa_make_current(NULL, NULL, NULL);
-   }
-}
-
-struct st_context *st_get_current(void)
-{
-   GET_CURRENT_CONTEXT(ctx);
-
-   return (ctx == NULL) ? NULL : ctx->st;
-}
-
-void st_copy_context_state(struct st_context *dst,
-                           struct st_context *src,
-                           uint mask)
-{
-   _mesa_copy_context(dst->ctx, src->ctx, mask);
-}
-
-
-
-st_proc st_get_proc_address(const char *procname)
-{
-   return (st_proc) _glapi_get_proc_address(procname);
-}
-
-
-
 void st_init_driver_functions(struct dd_function_table *functions)
 {
    _mesa_init_glsl_driver_functions(functions);
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index f28d5aa3ed..dfee490b54 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -46,12 +46,6 @@ struct blit_state;
 struct bitmap_cache;
 
 
-/** XXX we'd like to get rid of these */
-#define FRONT_STATUS_UNDEFINED    0
-#define FRONT_STATUS_DIRTY        1
-#define FRONT_STATUS_COPY_OF_BACK 2
-
-
 #define ST_NEW_MESA                    0x1 /* Mesa state has changed */
 #define ST_NEW_FRAGMENT_PROGRAM        0x2
 #define ST_NEW_VERTEX_PROGRAM          0x4
@@ -116,8 +110,6 @@ struct st_context
       struct gl_fragment_program *fragment_program;
    } cb;
 
-   GLuint frontbuffer_status;  /**< one of FRONT_STATUS_ (XXX to be removed) */
-
    char vendor[100];
    char renderer[100];
 
@@ -259,5 +251,12 @@ st_fb_orientation(const struct gl_framebuffer *fb)
 extern int
 st_get_msaa(void);
 
+extern struct st_context *
+st_create_context(struct pipe_context *pipe, const __GLcontextModes *visual,
+                  struct st_context *share);
+
+extern void
+st_destroy_context(struct st_context *st);
+
 
 #endif
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
deleted file mode 100644
index 819b4487ac..0000000000
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-
-#include "main/imports.h"
-#include "main/buffers.h"
-#include "main/context.h"
-#include "main/framebuffer.h"
-#include "main/renderbuffer.h"
-#include "st_context.h"
-#include "st_cb_fbo.h"
-#include "st_public.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-
-
-struct st_framebuffer *
-st_create_framebuffer( const __GLcontextModes *visual,
-                       enum pipe_format colorFormat,
-                       enum pipe_format depthFormat,
-                       enum pipe_format stencilFormat,
-                       uint width, uint height,
-                       void *private)
-{
-   struct st_framebuffer *stfb = ST_CALLOC_STRUCT(st_framebuffer);
-   if (stfb) {
-      int samples = st_get_msaa();
-      int i;
-
-      if (visual->sampleBuffers)
-         samples = visual->samples;
-
-      _mesa_initialize_window_framebuffer(&stfb->Base, visual);
-
-      if (visual->doubleBufferMode) {
-         struct gl_renderbuffer *rb
-            = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
-      }
-      else {
-         /* Only allocate front buffer right now if we're single buffered.
-          * If double-buffered, allocate front buffer on demand later.
-          * See check_create_front_buffers() and st_set_framebuffer_surface().
-          */
-         struct gl_renderbuffer *rb
-            = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
-      }
-
-      if (depthFormat == stencilFormat && depthFormat != PIPE_FORMAT_NONE) {
-         /* combined depth/stencil buffer */
-         struct gl_renderbuffer *depthStencilRb
-            = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
-         /* note: bind RB to two attachment points */
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, depthStencilRb);
-      }
-      else {
-         /* separate depth and/or stencil */
-
-         if (visual->depthBits == 32) {
-            /* 32-bit depth buffer */
-            struct gl_renderbuffer *depthRb
-               = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
-            _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
-         }
-         else if (visual->depthBits == 24) {
-            /* 24-bit depth buffer, ignore stencil bits */
-            struct gl_renderbuffer *depthRb
-               = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
-            _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
-         }
-         else if (visual->depthBits > 0) {
-            /* 16-bit depth buffer */
-            struct gl_renderbuffer *depthRb
-               = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
-            _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
-         }
-
-         if (visual->stencilBits > 0) {
-            /* 8-bit stencil */
-            struct gl_renderbuffer *stencilRb
-               = st_new_renderbuffer_fb(stencilFormat, samples, FALSE);
-            _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, stencilRb);
-         }
-      }
-
-      if (visual->accumRedBits > 0) {
-         /* 16-bit/channel accum */
-         /* TODO: query the pipe screen for accumulation buffer format support */
-         struct gl_renderbuffer *accumRb
-            = st_new_renderbuffer_fb(PIPE_FORMAT_R16G16B16A16_SNORM, 0, TRUE);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb);
-      }
-
-      for (i = 0; i < visual->numAuxBuffers; i++) {
-         struct gl_renderbuffer *aux
-            = st_new_renderbuffer_fb(colorFormat, 0, FALSE);
-         _mesa_add_renderbuffer(&stfb->Base, BUFFER_AUX0 + i, aux);
-      }
-
-      stfb->Base.Initialized = GL_TRUE;
-      stfb->InitWidth = width;
-      stfb->InitHeight = height;
-      stfb->Private = private;
-   }
-   return stfb;
-}
-
-
-void st_resize_framebuffer( struct st_framebuffer *stfb,
-                            uint width, uint height )
-{
-   if (stfb->Base.Width != width || stfb->Base.Height != height) {
-      GET_CURRENT_CONTEXT(ctx);
-      if (ctx) {
-         _mesa_check_init_viewport(ctx, width, height);
-
-         _mesa_resize_framebuffer(ctx, &stfb->Base, width, height);
-
-         assert(stfb->Base.Width == width);
-         assert(stfb->Base.Height == height);
-      }
-   }
-}
-
-
-void st_unreference_framebuffer( struct st_framebuffer *stfb )
-{
-   _mesa_reference_framebuffer((struct gl_framebuffer **) &stfb, NULL);
-}
-
-
-
-/**
- * Set/replace a framebuffer surface.
- * The user of the state tracker can use this instead of
- * st_resize_framebuffer() to provide new surfaces when a window is resized.
- * \param surfIndex  an ST_SURFACE_x index
- */
-void
-st_set_framebuffer_surface(struct st_framebuffer *stfb,
-                           uint surfIndex, struct pipe_surface *surf)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct st_renderbuffer *strb;
-
-   /* sanity checks */
-   assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);
-   assert(ST_SURFACE_BACK_LEFT == BUFFER_BACK_LEFT);
-   assert(ST_SURFACE_FRONT_RIGHT == BUFFER_FRONT_RIGHT);
-   assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT);
-   assert(ST_SURFACE_DEPTH == BUFFER_DEPTH);
-
-   assert(surfIndex < BUFFER_COUNT);
-
-   strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
-
-   if (!strb) {
-      /* create new renderbuffer for this surface now */
-      const GLuint numSamples = stfb->Base.Visual.samples;
-      struct gl_renderbuffer *rb =
-         st_new_renderbuffer_fb(surf->format, numSamples, FALSE);
-      if (!rb) {
-         /* out of memory */
-         _mesa_warning(ctx, "Out of memory allocating renderbuffer");
-         return;
-      }
-      _mesa_add_renderbuffer(&stfb->Base, surfIndex, rb);
-      strb = st_renderbuffer(rb);
-   }
-
-   /* replace the renderbuffer's surface/texture pointers */
-   pipe_surface_reference( &strb->surface, surf );
-   pipe_resource_reference( &strb->texture, surf->texture );
-   pipe_sampler_view_reference(&strb->sampler_view, NULL);
-
-   if (ctx) {
-      /* If ctx isn't set, we've likely not made current yet.
-       * But when we do, we need to start setting this dirty bit
-       * to ensure the renderbuffer attachements are up-to-date
-       * via update_framebuffer.
-       * Core Mesa's state validation will update the parent framebuffer's
-       * size info, etc.
-       */
-      ctx->st->dirty.st |= ST_NEW_FRAMEBUFFER;
-      ctx->NewState |= _NEW_BUFFERS;
-   }
-
-   /* update renderbuffer's width/height */
-   strb->Base.Width = surf->width;
-   strb->Base.Height = surf->height;
-}
-
-
-
-/**
- * Return the pipe_surface for the given renderbuffer.
- */
-int
-st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface)
-{
-   struct st_renderbuffer *strb;
-
-   assert(surfIndex <= ST_SURFACE_DEPTH);
-
-   /* sanity checks, ST tokens should match Mesa tokens */
-   assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);
-   assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT);
-
-   strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
-   if (strb) {
-      *surface = strb->surface;
-      return GL_TRUE;
-   }
-
-   *surface = NULL;
-   return GL_FALSE;
-}
-
-int
-st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex, struct pipe_resource **texture)
-{
-   struct st_renderbuffer *strb;
-
-   assert(surfIndex <= ST_SURFACE_DEPTH);
-
-   /* sanity checks, ST tokens should match Mesa tokens */
-   assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);
-   assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT);
-
-   strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
-   if (strb) {
-      *texture = strb->texture;
-      return GL_TRUE;
-   }
-
-   *texture = NULL;
-   return GL_FALSE;
-}
-
-/**
- * This function is to be called prior to SwapBuffers on the given
- * framebuffer.  It checks if the current context is bound to the framebuffer
- * and flushes rendering if needed.
- */
-void
-st_notify_swapbuffers(struct st_framebuffer *stfb)
-{
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (ctx && ctx->DrawBuffer == &stfb->Base) {
-      st_flush( ctx->st, 
-		PIPE_FLUSH_RENDER_CACHE | 
-		PIPE_FLUSH_SWAPBUFFERS |
-		PIPE_FLUSH_FRAME,
-                NULL );
-      if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer))
-         ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
-   }
-}
-
-
-/**
- * Swap the front/back color buffers.  Exchange the front/back pointers
- * and update some derived state.
- * No need to call st_notify_swapbuffers() first.
- *
- * For a single-buffered framebuffer, no swap occurs, but we still return
- * the pointer(s) to the front color buffer(s).
- *
- * \param front_left  returns pointer to front-left renderbuffer after swap
- * \param front_right  returns pointer to front-right renderbuffer after swap
- */
-void
-st_swapbuffers(struct st_framebuffer *stfb,
-               struct pipe_surface **front_left,
-               struct pipe_surface **front_right)
-{
-   struct gl_framebuffer *fb = &stfb->Base;
-
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (ctx && ctx->DrawBuffer == &stfb->Base) {
-      st_flush( ctx->st, 
-		PIPE_FLUSH_RENDER_CACHE | 
-		PIPE_FLUSH_SWAPBUFFERS |
-		PIPE_FLUSH_FRAME,
-                NULL );
-   }
-
-   if (!fb->Visual.doubleBufferMode) {
-      /* single buffer mode - return pointers to front surfaces */
-      if (front_left) {
-         struct st_renderbuffer *strb =
-            st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
-         *front_left = strb->surface;
-      }
-      if (front_right) {
-         struct st_renderbuffer *strb =
-            st_renderbuffer(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer);
-         *front_right = strb ? strb->surface : NULL;
-      }
-      return;
-   }
-
-   /* swap left buffers */
-   if (fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer &&
-       fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer) {
-      struct gl_renderbuffer *rbTemp;
-      rbTemp = fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
-      fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer =
-         fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
-      fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer = rbTemp;
-      if (front_left) {
-         struct st_renderbuffer *strb =
-            st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
-         *front_left = strb->surface;
-      }
-      /* mark back buffer contents as undefined */
-      {
-         struct st_renderbuffer *back =
-            st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
-         back->defined = GL_FALSE;
-      }
-   }
-   else {
-      /* no front buffer, display the back buffer */
-      if (front_left) {
-         struct st_renderbuffer *strb =
-            st_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer);
-         *front_left = strb->surface;
-      }
-   }
-
-   /* swap right buffers (for stereo) */
-   if (fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer &&
-       fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer) {
-      struct gl_renderbuffer *rbTemp;
-      rbTemp = fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer;
-      fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer =
-         fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer;
-      fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer = rbTemp;
-      if (front_right) {
-         struct st_renderbuffer *strb =
-            st_renderbuffer(fb->Attachment[BUFFER_FRONT_RIGHT].Renderbuffer);
-         *front_right = strb->surface;
-      }
-      /* mark back buffer contents as undefined */
-      {
-         struct st_renderbuffer *back =
-            st_renderbuffer(fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer);
-         back->defined = GL_FALSE;
-      }
-   }
-   else {
-      /* no front right buffer, display back right buffer (if exists) */
-      if (front_right) {
-         struct st_renderbuffer *strb =
-            st_renderbuffer(fb->Attachment[BUFFER_BACK_RIGHT].Renderbuffer);
-         *front_right = strb ? strb->surface : NULL;
-      }
-   }
-
-   /* Update the _ColorDrawBuffers[] array and _ColorReadBuffer pointer */
-   _mesa_update_framebuffer(ctx);
-
-   /* Make sure we draw into the new back surface */
-   st_invalidate_state(ctx, _NEW_BUFFERS);
-}
-
-
-void *st_framebuffer_private( struct st_framebuffer *stfb )
-{
-   return stfb->Private;
-}
-
-void st_get_framebuffer_dimensions( struct st_framebuffer *stfb,
-				    uint *width,
-				    uint *height)
-{
-   *width = stfb->Base.Width;
-   *height = stfb->Base.Height;
-}
diff --git a/src/mesa/state_tracker/st_inlines.h b/src/mesa/state_tracker/st_inlines.h
index 32584b25c2..3bf7ba185e 100644
--- a/src/mesa/state_tracker/st_inlines.h
+++ b/src/mesa/state_tracker/st_inlines.h
@@ -42,7 +42,7 @@
 
 #include "st_context.h"
 #include "st_texture.h"
-#include "st_public.h"
+#include "st_cb_flush.h"
 
 static INLINE struct pipe_transfer *
 st_cond_flush_get_tex_transfer(struct st_context *st,
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index 8a6c8256ff..26f9554c9e 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -710,14 +710,6 @@ st_manager_flush_frontbuffer(struct st_context *st)
    if (!strb)
       return;
 
-   /* st_public.h */
-   if (!stfb->iface) {
-      struct pipe_surface *front_surf = strb->surface;
-      st->pipe->screen->flush_frontbuffer(st->pipe->screen,
-            front_surf, st->winsys_drawable_handle);
-      return;
-   }
-
    stfb->iface->flush_front(stfb->iface, ST_ATTACHMENT_FRONT_LEFT);
 }
 
@@ -758,14 +750,6 @@ st_manager_validate_framebuffers(struct st_context *st)
    struct st_framebuffer *stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
    struct st_framebuffer *stread = st_ws_framebuffer(st->ctx->ReadBuffer);
 
-   /* st_public.h */
-   if ((stdraw && !stdraw->iface) || (stread && !stread->iface)) {
-      struct pipe_screen *screen = st->pipe->screen;
-      if (screen->update_buffer)
-         screen->update_buffer(screen, st->pipe->priv);
-      return;
-   }
-
    if (stdraw)
       st_framebuffer_validate(stdraw, st);
    if (stread && stread != stdraw)
@@ -781,8 +765,8 @@ st_manager_add_color_renderbuffer(struct st_context *st, GLframebuffer *fb,
 {
    struct st_framebuffer *stfb = st_ws_framebuffer(fb);
 
-   /* FBO or st_public.h */
-   if (!stfb || !stfb->iface)
+   /* FBO */
+   if (!stfb)
       return FALSE;
 
    if (stfb->Base.Attachment[idx].Renderbuffer)
diff --git a/src/mesa/state_tracker/st_public.h b/src/mesa/state_tracker/st_public.h
deleted file mode 100644
index 18f82132b9..0000000000
--- a/src/mesa/state_tracker/st_public.h
+++ /dev/null
@@ -1,152 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
-
-#ifndef ST_PUBLIC_H
-#define ST_PUBLIC_H
-
-#include "GL/gl.h"
-#include "GL/internal/glcore.h"  /* for __GLcontextModes */
-
-#include "pipe/p_compiler.h"
-#include "pipe/p_format.h"
-
-/** Renderbuffer surfaces (should match Mesa names) */
-#define ST_SURFACE_FRONT_LEFT   0
-#define ST_SURFACE_BACK_LEFT    1
-#define ST_SURFACE_FRONT_RIGHT  2
-#define ST_SURFACE_BACK_RIGHT   3
-#define ST_SURFACE_DEPTH        4
-
-#define ST_TEXTURE_2D    0x2
-#define ST_TEXTURE_RECT  0x4
-
-#define ST_TEXTURE_RGB   0x1
-#define ST_TEXTURE_RGBA  0x2
-
-
-struct st_context;
-struct st_framebuffer;
-struct pipe_context;
-struct pipe_fence_handle;
-struct pipe_surface;
-struct pipe_resource;
-
-
-PUBLIC
-struct st_context *st_create_context(struct pipe_context *pipe,
-                                     const __GLcontextModes *visual,
-                                     struct st_context *share);
-
-PUBLIC
-void st_destroy_context( struct st_context *st );
-
-PUBLIC
-void st_copy_context_state(struct st_context *dst, struct st_context *src,
-                           uint mask);
-
-PUBLIC
-struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
-                                              enum pipe_format colorFormat,
-                                              enum pipe_format depthFormat,
-                                              enum pipe_format stencilFormat,
-                                              uint width, uint height,
-                                              void *privateData);
-
-PUBLIC
-void st_resize_framebuffer( struct st_framebuffer *stfb,
-                            uint width, uint height );
-
-PUBLIC
-void st_set_framebuffer_surface(struct st_framebuffer *stfb,
-                                uint surfIndex, struct pipe_surface *surf);
-
-PUBLIC
-void st_get_framebuffer_dimensions( struct st_framebuffer *stfb,
-				    uint *width, uint *height);
-
-PUBLIC
-int st_get_framebuffer_surface(struct st_framebuffer *stfb,
-                               uint surfIndex, struct pipe_surface **surface);
-
-PUBLIC
-int st_get_framebuffer_texture(struct st_framebuffer *stfb,
-                               uint surfIndex, struct pipe_resource **texture);
-
-PUBLIC
-void *st_framebuffer_private( struct st_framebuffer *stfb );
-
-PUBLIC
-void st_unreference_framebuffer( struct st_framebuffer *stfb );
-
-PUBLIC
-GLboolean st_make_current(struct st_context *st,
-                          struct st_framebuffer *draw,
-                          struct st_framebuffer *read,
-                          void *winsys_drawable_handle);
-
-PUBLIC
-struct st_context *st_get_current(void);
-
-PUBLIC
-void st_flush( struct st_context *st, uint pipeFlushFlags,
-               struct pipe_fence_handle **fence );
-PUBLIC
-void st_finish( struct st_context *st );
-
-PUBLIC
-void st_notify_swapbuffers(struct st_framebuffer *stfb);
-
-PUBLIC
-void st_swapbuffers(struct st_framebuffer *stfb,
-                    struct pipe_surface **front_left,
-                    struct pipe_surface **front_right);
-
-PUBLIC
-int st_bind_texture_surface(struct pipe_surface *ps, int target, int level,
-                            enum pipe_format format);
-PUBLIC
-int st_unbind_texture_surface(struct pipe_surface *ps, int target, int level);
-
-/** Redirect rendering into stfb's surface to a texture image */
-PUBLIC
-int st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
-                     int target, int format, int level);
-
-/** Undo surface-to-texture binding */
-PUBLIC
-int st_release_teximage(struct st_framebuffer *stfb, uint surfIndex,
-                        int target, int format, int level);
-
-
-/** Generic function type */
-typedef void (*st_proc)();
-
-PUBLIC
-st_proc st_get_proc_address(const char *procname);
-
-
-#endif
diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index a623eed50a..c80736ffd7 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -27,7 +27,6 @@
 
 #include "st_context.h"
 #include "st_format.h"
-#include "st_public.h"
 #include "st_texture.h"
 #include "st_cb_fbo.h"
 #include "st_inlines.h"
@@ -357,226 +356,6 @@ st_texture_image_copy(struct pipe_context *pipe,
 }
 
 
-/**
- * Bind a pipe surface to a texture object.  After the call,
- * the texture object is marked dirty and will be (re-)validated.
- *
- * If this is the first surface bound, the texture object is said to
- * switch from normal to surface based.  It will be cleared first in
- * this case.
- *
- * \param ps      pipe surface to be unbound
- * \param target  texture target
- * \param level   image level
- * \param format  internal format of the texture
- */
-int
-st_bind_texture_surface(struct pipe_surface *ps, int target, int level,
-                        enum pipe_format format)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   const GLuint unit = ctx->Texture.CurrentUnit;
-   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-   struct st_texture_object *stObj;
-   struct st_texture_image *stImage;
-   GLenum internalFormat;
-
-   switch (target) {
-   case ST_TEXTURE_2D:
-      target = GL_TEXTURE_2D;
-      break;
-   case ST_TEXTURE_RECT:
-      target = GL_TEXTURE_RECTANGLE_ARB;
-      break;
-   default:
-      return 0;
-   }
-
-   /* map pipe format to base format for now */
-   if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
-      internalFormat = GL_RGBA;
-   else
-      internalFormat = GL_RGB;
-
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   _mesa_lock_texture(ctx, texObj);
-
-   stObj = st_texture_object(texObj);
-   /* switch to surface based */
-   if (!stObj->surface_based) {
-      _mesa_clear_texture_object(ctx, texObj);
-      stObj->surface_based = GL_TRUE;
-   }
-
-   texImage = _mesa_get_tex_image(ctx, texObj, target, level);
-   stImage = st_texture_image(texImage);
-
-   _mesa_init_teximage_fields(ctx, target, texImage,
-                              ps->width, ps->height, 1, 0, internalFormat);
-   texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat,
-                                                GL_RGBA, GL_UNSIGNED_BYTE);
-   _mesa_set_fetch_functions(texImage, 2);
-   pipe_resource_reference(&stImage->pt, ps->texture);
-
-   _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
-   _mesa_unlock_texture(ctx, texObj);
-   
-   return 1;
-}
-
-
-/**
- * Unbind a pipe surface from a texture object.  After the call,
- * the texture object is marked dirty and will be (re-)validated.
- *
- * \param ps      pipe surface to be unbound
- * \param target  texture target
- * \param level   image level
- */
-int
-st_unbind_texture_surface(struct pipe_surface *ps, int target, int level)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   const GLuint unit = ctx->Texture.CurrentUnit;
-   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-   struct st_texture_object *stObj;
-   struct st_texture_image *stImage;
-
-   switch (target) {
-   case ST_TEXTURE_2D:
-      target = GL_TEXTURE_2D;
-      break;
-   case ST_TEXTURE_RECT:
-      target = GL_TEXTURE_RECTANGLE_ARB;
-      break;
-   default:
-      return 0;
-   }
-
-   texObj = _mesa_select_tex_object(ctx, texUnit, target);
-
-   _mesa_lock_texture(ctx, texObj);
-
-   texImage = _mesa_get_tex_image(ctx, texObj, target, level);
-   stObj = st_texture_object(texObj);
-   stImage = st_texture_image(texImage);
-
-   /* Make sure the pipe surface is still bound.  The texture object is still
-    * considered surface based even if this is the last bound surface. */
-   if (stImage->pt == ps->texture) {
-      pipe_resource_reference(&stImage->pt, NULL);
-      _mesa_clear_texture_image(ctx, texImage);
-
-      _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
-   }
-
-   _mesa_unlock_texture(ctx, texObj);
-   
-   return 1;
-}
-
-
-/** Redirect rendering into stfb's surface to a texture image */
-int
-st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
-                 int target, int format, int level)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct st_context *st = ctx->st;
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
-   const GLuint unit = ctx->Texture.CurrentUnit;
-   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-   struct gl_texture_object *texObj;
-   struct gl_texture_image *texImage;
-   struct st_texture_image *stImage;
-   struct st_renderbuffer *strb;
-   GLint face = 0, slice = 0;
-
-   assert(surfIndex <= ST_SURFACE_DEPTH);
-
-   strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
-
-   if (strb->texture_save || strb->surface_save) {
-      /* Error! */
-      return 0;
-   }
-
-   if (target == ST_TEXTURE_2D) {
-      texObj = texUnit->CurrentTex[TEXTURE_2D_INDEX];
-      texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, level);
-      stImage = st_texture_image(texImage);
-   }
-   else {
-      /* unsupported target */
-      return 0;
-   }
-
-   st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-
-   /* save the renderbuffer's surface/texture info */
-   pipe_resource_reference(&strb->texture_save, strb->texture);
-   pipe_surface_reference(&strb->surface_save, strb->surface);
-   pipe_sampler_view_reference(&strb->sampler_view_save, strb->sampler_view);
-
-   /* plug in new surface/texture info */
-   pipe_resource_reference(&strb->texture, stImage->pt);
-
-   /* XXX: Shouldn't we release reference to old surface here?
-    */
-
-   strb->surface = screen->get_tex_surface(screen, strb->texture,
-                                           face, level, slice,
-                                           (PIPE_BIND_RENDER_TARGET |
-                                            PIPE_BIND_BLIT_SOURCE |
-					    PIPE_BIND_BLIT_DESTINATION));
-
-   pipe_sampler_view_reference(&strb->sampler_view, NULL);
-
-   st->dirty.st |= ST_NEW_FRAMEBUFFER;
-
-   return 1;
-}
-
-
-/** Undo surface-to-texture binding */
-int
-st_release_teximage(struct st_framebuffer *stfb, uint surfIndex,
-                    int target, int format, int level)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct st_context *st = ctx->st;
-   struct st_renderbuffer *strb;
-
-   assert(surfIndex <= ST_SURFACE_DEPTH);
-
-   strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
-
-   if (!strb->texture_save || !strb->surface_save) {
-      /* Error! */
-      return 0;
-   }
-
-   st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-
-   /* free tex surface, restore original */
-   pipe_surface_reference(&strb->surface, strb->surface_save);
-   pipe_resource_reference(&strb->texture, strb->texture_save);
-   pipe_sampler_view_reference(&strb->sampler_view, strb->sampler_view_save);
-
-   pipe_surface_reference(&strb->surface_save, NULL);
-   pipe_resource_reference(&strb->texture_save, NULL);
-   pipe_sampler_view_reference(&strb->sampler_view, NULL);
-
-   st->dirty.st |= ST_NEW_FRAMEBUFFER;
-
-   return 1;
-}
-
 void
 st_teximage_flush_before_map(struct st_context *st,
 			     struct pipe_resource *pt,