Merge remote branch 'origin/gallium-st-api-dri'

13 files changed, 1345 insertions, 905 deletions

diff --git a/src/gallium/state_trackers/dri/Makefile b/src/gallium/state_trackers/dri/Makefile
index ef8f19709a..f5af8aa3a6 100644
--- a/src/gallium/state_trackers/dri/Makefile
+++ b/src/gallium/state_trackers/dri/Makefile
@@ -15,7 +15,9 @@ C_SOURCES = \
 	dri_context.c \
 	dri_screen.c \
 	dri_drawable.c \
-	dri_extensions.c
+	dri_extensions.c \
+	dri_st_api.c \
+	dri1.c
 
 #	$(TOP)/src/mesa/drivers/dri/common/utils.c \
 	$(TOP)/src/mesa/drivers/dri/common/vblank.c \
diff --git a/src/gallium/state_trackers/dri/SConscript b/src/gallium/state_trackers/dri/SConscript
index ce2c273597..7c67ceecd8 100644
--- a/src/gallium/state_trackers/dri/SConscript
+++ b/src/gallium/state_trackers/dri/SConscript
@@ -18,6 +18,8 @@ if env['dri']:
 		'dri_drawable.c',
 		'dri_extensions.c',
 		'dri_screen.c',
+		'dri_st_api.c',
+		'dri1.c',
 		]
     )
     Export('st_dri')
diff --git a/src/gallium/state_trackers/dri/dri1.c b/src/gallium/state_trackers/dri/dri1.c
new file mode 100644
index 0000000000..240bc69efd
--- /dev/null
+++ b/src/gallium/state_trackers/dri/dri1.c
@@ -0,0 +1,583 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 VMWARE 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.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+/* XXX DRI1 is untested after the switch to st_api.h */
+
+#include "util/u_memory.h"
+#include "util/u_rect.h"
+#include "util/u_inlines.h"
+#include "pipe/p_context.h"
+#include "state_tracker/dri1_api.h"
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_drawable.h"
+#include "dri_st_api.h"
+#include "dri1.h"
+
+static INLINE void
+dri1_lock(struct dri_context *ctx)
+{
+   drm_context_t hw_context = ctx->cPriv->hHWContext;
+   char ret = 0;
+
+   DRM_CAS(ctx->lock, hw_context, DRM_LOCK_HELD | hw_context, ret);
+   if (ret) {
+      drmGetLock(ctx->sPriv->fd, hw_context, 0);
+      ctx->stLostLock = TRUE;
+      ctx->wsLostLock = TRUE;
+   }
+   ctx->isLocked = TRUE;
+}
+
+static INLINE void
+dri1_unlock(struct dri_context *ctx)
+{
+   ctx->isLocked = FALSE;
+   DRM_UNLOCK(ctx->sPriv->fd, ctx->lock, ctx->cPriv->hHWContext);
+}
+
+static struct pipe_fence_handle *
+dri_swap_fences_pop_front(struct dri_drawable *draw)
+{
+   struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen;
+   struct pipe_fence_handle *fence = NULL;
+
+   if (draw->cur_fences >= draw->desired_fences) {
+      screen->fence_reference(screen, &fence, draw->swap_fences[draw->tail]);
+      screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL);
+      --draw->cur_fences;
+      draw->tail &= DRI_SWAP_FENCES_MASK;
+   }
+   return fence;
+}
+
+static void
+dri_swap_fences_push_back(struct dri_drawable *draw,
+			  struct pipe_fence_handle *fence)
+{
+   struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen;
+
+   if (!fence)
+      return;
+
+   if (draw->cur_fences < DRI_SWAP_FENCES_MAX) {
+      draw->cur_fences++;
+      screen->fence_reference(screen, &draw->swap_fences[draw->head++],
+			      fence);
+      draw->head &= DRI_SWAP_FENCES_MASK;
+   }
+}
+
+void
+dri1_swap_fences_clear(struct dri_drawable *drawable)
+{
+   struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen;
+   struct pipe_fence_handle *fence;
+
+   while (drawable->cur_fences) {
+      fence = dri_swap_fences_pop_front(drawable);
+      screen->fence_reference(screen, &fence, NULL);
+   }
+}
+
+static void
+dri1_update_drawables_locked(struct dri_context *ctx,
+			     __DRIdrawable * driDrawPriv,
+			     __DRIdrawable * driReadPriv)
+{
+   if (ctx->stLostLock) {
+      ctx->stLostLock = FALSE;
+      if (driDrawPriv == driReadPriv)
+	 DRI_VALIDATE_DRAWABLE_INFO(ctx->sPriv, driDrawPriv);
+      else
+	 DRI_VALIDATE_TWO_DRAWABLES_INFO(ctx->sPriv, driDrawPriv,
+					 driReadPriv);
+   }
+}
+
+/**
+ * This ensures all contexts which bind to a drawable pick up the
+ * drawable change and signal new buffer state.
+ */
+static void
+dri1_propagate_drawable_change(struct dri_context *ctx)
+{
+   __DRIdrawable *dPriv = ctx->dPriv;
+   __DRIdrawable *rPriv = ctx->rPriv;
+   struct dri_drawable *draw = dri_drawable(dPriv);
+   struct dri_drawable *read = dri_drawable(rPriv);
+   boolean flushed = FALSE;
+
+   if (dPriv && draw->texture_stamp != dPriv->lastStamp) {
+      ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+      flushed = TRUE;
+      ctx->st->notify_invalid_framebuffer(ctx->st, draw->stfb);
+   }
+
+   if (rPriv && dPriv != rPriv && read->texture_stamp != rPriv->lastStamp) {
+      if (!flushed)
+	 ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+      ctx->st->notify_invalid_framebuffer(ctx->st, read->stfb);
+   }
+}
+
+static INLINE boolean
+dri1_intersect_src_bbox(struct drm_clip_rect *dst,
+			int dst_x,
+			int dst_y,
+			const struct drm_clip_rect *src,
+			const struct drm_clip_rect *bbox)
+{
+   int xy1;
+   int xy2;
+
+   xy1 = ((int)src->x1 > (int)bbox->x1 + dst_x) ? src->x1 :
+      (int)bbox->x1 + dst_x;
+   xy2 = ((int)src->x2 < (int)bbox->x2 + dst_x) ? src->x2 :
+      (int)bbox->x2 + dst_x;
+   if (xy1 >= xy2 || xy1 < 0)
+      return FALSE;
+
+   dst->x1 = xy1;
+   dst->x2 = xy2;
+
+   xy1 = ((int)src->y1 > (int)bbox->y1 + dst_y) ? src->y1 :
+      (int)bbox->y1 + dst_y;
+   xy2 = ((int)src->y2 < (int)bbox->y2 + dst_y) ? src->y2 :
+      (int)bbox->y2 + dst_y;
+   if (xy1 >= xy2 || xy1 < 0)
+      return FALSE;
+
+   dst->y1 = xy1;
+   dst->y2 = xy2;
+   return TRUE;
+}
+
+static void
+dri1_swap_copy(struct pipe_context *pipe,
+	       struct pipe_surface *dst,
+	       struct pipe_surface *src,
+	       __DRIdrawable * dPriv, const struct drm_clip_rect *bbox)
+{
+   struct drm_clip_rect clip;
+   struct drm_clip_rect *cur;
+   int i;
+
+   cur = dPriv->pClipRects;
+
+   for (i = 0; i < dPriv->numClipRects; ++i) {
+      if (dri1_intersect_src_bbox(&clip, dPriv->x, dPriv->y, cur++, bbox)) {
+         if (pipe->surface_copy) {
+            pipe->surface_copy(pipe, dst, clip.x1, clip.y1,
+                               src,
+                               (int)clip.x1 - dPriv->x,
+                               (int)clip.y1 - dPriv->y,
+                               clip.x2 - clip.x1, clip.y2 - clip.y1);
+         } else {
+            util_surface_copy(pipe, FALSE, dst, clip.x1, clip.y1,
+                              src,
+                              (int)clip.x1 - dPriv->x,
+                              (int)clip.y1 - dPriv->y,
+                              clip.x2 - clip.x1, clip.y2 - clip.y1);
+         }
+      }
+   }
+}
+
+static struct pipe_surface *
+dri1_get_pipe_surface(struct dri_drawable *drawable, struct pipe_texture *ptex)
+{
+   struct pipe_screen *pipe_screen = dri_screen(drawable->sPriv)->pipe_screen;
+   struct pipe_surface *psurf = drawable->dri1_surface;
+
+   if (!psurf || psurf->texture != ptex) {
+      pipe_surface_reference(&drawable->dri1_surface, NULL);
+
+      drawable->dri1_surface = pipe_screen->get_tex_surface(pipe_screen,
+            ptex, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ);
+
+      psurf = drawable->dri1_surface;
+   }
+
+   return psurf;
+}
+
+static struct pipe_context *
+dri1_get_pipe_context(struct dri_drawable *drawable)
+{
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+   struct pipe_context *pipe = screen->dri1_pipe;
+
+   if (!pipe) {
+      screen->dri1_pipe =
+         screen->pipe_screen->context_create(screen->pipe_screen, NULL);
+      pipe = screen->dri1_pipe;
+   }
+
+   return pipe;
+}
+
+static void
+dri1_present_texture_locked(__DRIdrawable * dPriv,
+                            struct pipe_texture *ptex,
+                            const struct drm_clip_rect *sub_box,
+                            struct pipe_fence_handle **fence)
+{
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct pipe_context *pipe;
+   struct pipe_surface *psurf;
+   struct drm_clip_rect bbox;
+   boolean visible = TRUE;
+
+   *fence = NULL;
+
+   bbox.x1 = 0;
+   bbox.x2 = ptex->width0;
+   bbox.y1 = 0;
+   bbox.y2 = ptex->height0;
+
+   if (sub_box)
+      visible = dri1_intersect_src_bbox(&bbox, 0, 0, &bbox, sub_box);
+   if (!visible)
+      return;
+
+   pipe = dri1_get_pipe_context(drawable);
+   psurf = dri1_get_pipe_surface(drawable, ptex);
+   if (!pipe || !psurf)
+      return;
+
+   if (__dri1_api_hooks->present_locked) {
+      __dri1_api_hooks->present_locked(pipe, psurf,
+                                       dPriv->pClipRects, dPriv->numClipRects,
+                                       dPriv->x, dPriv->y, &bbox, fence);
+   } else if (__dri1_api_hooks->front_srf_locked) {
+      struct pipe_surface *front = __dri1_api_hooks->front_srf_locked(pipe);
+
+      if (front)
+         dri1_swap_copy(pipe, front, psurf, dPriv, &bbox);
+
+      pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, fence);
+   }
+}
+
+static void
+dri1_copy_to_front(struct dri_context *ctx,
+		   struct pipe_texture *ptex,
+		   __DRIdrawable * dPriv,
+		   const struct drm_clip_rect *sub_box,
+		   struct pipe_fence_handle **fence)
+{
+   boolean save_lost_lock;
+
+   dri1_lock(ctx);
+   save_lost_lock = ctx->stLostLock;
+   dri1_update_drawables_locked(ctx, dPriv, dPriv);
+
+   dri1_present_texture_locked(dPriv, ptex, sub_box, fence);
+
+   ctx->stLostLock = save_lost_lock;
+
+   /**
+    * FIXME: Revisit this: Update drawables on copy_sub_buffer ?
+    */
+
+   if (!sub_box)
+      dri1_update_drawables_locked(ctx, ctx->dPriv, ctx->rPriv);
+
+   dri1_unlock(ctx);
+   dri1_propagate_drawable_change(ctx);
+}
+
+void
+dri1_flush_frontbuffer(struct dri_drawable *drawable,
+                       struct pipe_texture *ptex)
+{
+   struct st_api *stapi = dri_get_st_api();
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+   struct pipe_screen *pipe_screen = screen->pipe_screen;
+   struct dri_context *ctx;
+   struct pipe_fence_handle *dummy_fence;
+   struct st_context_iface *st = stapi->get_current(stapi);
+
+   if (!st)
+      return;
+
+   ctx = (struct dri_context *) st->st_manager_private;
+
+   dri1_copy_to_front(ctx, ptex, ctx->dPriv, NULL, &dummy_fence);
+   pipe_screen->fence_reference(pipe_screen, &dummy_fence, NULL);
+
+   /**
+    * FIXME: Do we need swap throttling here?
+    */
+}
+
+void
+dri1_swap_buffers(__DRIdrawable * dPriv)
+{
+   struct dri_context *ctx = dri_get_current();
+   struct dri_drawable *draw = dri_drawable(dPriv);
+   struct dri_screen *screen = dri_screen(draw->sPriv);
+   struct pipe_screen *pipe_screen = screen->pipe_screen;
+   struct pipe_fence_handle *fence;
+   struct pipe_texture *ptex;
+
+   assert(__dri1_api_hooks != NULL);
+
+   if (!ctx)
+      return;			       /* For now */
+
+   ptex = draw->textures[ST_ATTACHMENT_BACK_LEFT];
+   if (ptex) {
+      ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+      fence = dri_swap_fences_pop_front(draw);
+      if (fence) {
+	 (void)pipe_screen->fence_finish(pipe_screen, fence, 0);
+	 pipe_screen->fence_reference(pipe_screen, &fence, NULL);
+      }
+      dri1_copy_to_front(ctx, ptex, dPriv, NULL, &fence);
+      dri_swap_fences_push_back(draw, fence);
+      pipe_screen->fence_reference(pipe_screen, &fence, NULL);
+   }
+}
+
+void
+dri1_copy_sub_buffer(__DRIdrawable * dPriv, int x, int y, int w, int h)
+{
+   struct dri_context *ctx = dri_get_current();
+   struct dri_screen *screen = dri_screen(dPriv->driScreenPriv);
+   struct pipe_screen *pipe_screen = screen->pipe_screen;
+   struct drm_clip_rect sub_bbox;
+   struct dri_drawable *draw = dri_drawable(dPriv);
+   struct pipe_fence_handle *dummy_fence;
+   struct pipe_texture *ptex;
+
+   assert(__dri1_api_hooks != NULL);
+
+   if (!ctx)
+      return;
+
+   sub_bbox.x1 = x;
+   sub_bbox.x2 = x + w;
+   sub_bbox.y1 = y;
+   sub_bbox.y2 = y + h;
+
+   ptex = draw->textures[ST_ATTACHMENT_BACK_LEFT];
+   if (ptex) {
+      ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+      dri1_copy_to_front(ctx, ptex, dPriv, &sub_bbox, &dummy_fence);
+      pipe_screen->fence_reference(pipe_screen, &dummy_fence, NULL);
+   }
+}
+
+void
+dri1_allocate_textures(struct dri_drawable *drawable,
+                       unsigned width, unsigned height,
+                       unsigned mask)
+{
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+   struct pipe_texture templ;
+   int i;
+
+   /* remove outdated textures */
+   if (drawable->old_w != width || drawable->old_h != height) {
+      for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+         pipe_texture_reference(&drawable->textures[i], NULL);
+   }
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = PIPE_TEXTURE_2D;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.last_level = 0;
+
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+      enum pipe_format format;
+      unsigned tex_usage;
+
+      /* the texture already exists or not requested */
+      if (drawable->textures[i] || !(mask & (1 << i))) {
+         /* remember the texture */
+         if (drawable->textures[i])
+            mask |= (1 << i);
+         continue;
+      }
+
+      switch (i) {
+      case ST_ATTACHMENT_FRONT_LEFT:
+      case ST_ATTACHMENT_BACK_LEFT:
+      case ST_ATTACHMENT_FRONT_RIGHT:
+      case ST_ATTACHMENT_BACK_RIGHT:
+         format = drawable->stvis.color_format;
+         tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                     PIPE_TEXTURE_USAGE_RENDER_TARGET;
+         break;
+      case ST_ATTACHMENT_DEPTH_STENCIL:
+         format = drawable->stvis.depth_stencil_format;
+         tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
+         break;
+      default:
+         format = PIPE_FORMAT_NONE;
+         break;
+      }
+
+      if (format != PIPE_FORMAT_NONE) {
+         templ.format = format;
+         templ.tex_usage = tex_usage;
+
+         drawable->textures[i] =
+            screen->pipe_screen->texture_create(screen->pipe_screen, &templ);
+      }
+   }
+
+   drawable->old_w = width;
+   drawable->old_h = height;
+   drawable->texture_mask = mask;
+}
+
+static void
+st_dri_lock(struct pipe_context *pipe)
+{
+   dri1_lock((struct dri_context *)pipe->priv);
+}
+
+static void
+st_dri_unlock(struct pipe_context *pipe)
+{
+   dri1_unlock((struct dri_context *)pipe->priv);
+}
+
+static boolean
+st_dri_is_locked(struct pipe_context *pipe)
+{
+   return ((struct dri_context *)pipe->priv)->isLocked;
+}
+
+static boolean
+st_dri_lost_lock(struct pipe_context *pipe)
+{
+   return ((struct dri_context *)pipe->priv)->wsLostLock;
+}
+
+static void
+st_dri_clear_lost_lock(struct pipe_context *pipe)
+{
+   ((struct dri_context *)pipe->priv)->wsLostLock = FALSE;
+}
+
+static struct dri1_api_lock_funcs dri1_lf = {
+   .lock = st_dri_lock,
+   .unlock = st_dri_unlock,
+   .is_locked = st_dri_is_locked,
+   .is_lock_lost = st_dri_lost_lock,
+   .clear_lost_lock = st_dri_clear_lost_lock
+};
+
+static const __DRIextension *dri1_screen_extensions[] = {
+   &driReadDrawableExtension,
+   &driCopySubBufferExtension.base,
+   &driSwapControlExtension.base,
+   &driFrameTrackingExtension.base,
+   &driMediaStreamCounterExtension.base,
+   NULL
+};
+
+struct dri1_api *__dri1_api_hooks = NULL;
+
+static INLINE void
+dri1_copy_version(struct dri1_api_version *dst,
+		  const struct __DRIversionRec *src)
+{
+   dst->major = src->major;
+   dst->minor = src->minor;
+   dst->patch_level = src->patch;
+}
+
+const __DRIconfig **
+dri1_init_screen(__DRIscreen * sPriv)
+{
+   struct dri_screen *screen;
+   const __DRIconfig **configs;
+   struct dri1_create_screen_arg arg;
+
+   screen = CALLOC_STRUCT(dri_screen);
+   if (!screen)
+      return NULL;
+
+   screen->api = drm_api_create();
+   screen->sPriv = sPriv;
+   screen->fd = sPriv->fd;
+   screen->drmLock = (drmLock *) & sPriv->pSAREA->lock;
+
+   sPriv->private = (void *)screen;
+   sPriv->extensions = dri1_screen_extensions;
+
+   arg.base.mode = DRM_CREATE_DRI1;
+   arg.lf = &dri1_lf;
+   arg.ddx_info = sPriv->pDevPriv;
+   arg.ddx_info_size = sPriv->devPrivSize;
+   arg.sarea = sPriv->pSAREA;
+   dri1_copy_version(&arg.ddx_version, &sPriv->ddx_version);
+   dri1_copy_version(&arg.dri_version, &sPriv->dri_version);
+   dri1_copy_version(&arg.drm_version, &sPriv->drm_version);
+   arg.api = NULL;
+
+   screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, &arg.base);
+
+   if (!screen->pipe_screen || !arg.api) {
+      debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__);
+      goto out_no_screen;
+   }
+
+   __dri1_api_hooks = arg.api;
+
+   driParseOptionInfo(&screen->optionCache,
+		      __driConfigOptions, __driNConfigOptions);
+
+   /**
+    * FIXME: If the driver supports format conversion swapbuffer blits, we might
+    * want to support other color bit depths than the server is currently
+    * using.
+    */
+
+   configs = dri_fill_in_modes(screen, sPriv->fbBPP);
+   if (!configs)
+      goto out_no_configs;
+
+   return configs;
+ out_no_configs:
+   screen->pipe_screen->destroy(screen->pipe_screen);
+ out_no_screen:
+   FREE(screen);
+   return NULL;
+}
diff --git a/src/gallium/state_trackers/dri/dri1.h b/src/gallium/state_trackers/dri/dri1.h
new file mode 100644
index 0000000000..e83571e57b
--- /dev/null
+++ b/src/gallium/state_trackers/dri/dri1.h
@@ -0,0 +1,63 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 VMWARE 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.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#ifndef DRI1_H
+#define DRI1_H
+
+#include "dri_context.h"
+#include "dri_drawable.h"
+
+#include "state_tracker/st_api.h"
+#include "dri_util.h"
+
+extern struct dri1_api *__dri1_api_hooks;
+
+const __DRIconfig **
+dri1_init_screen(__DRIscreen * sPriv);
+
+void
+dri1_flush_frontbuffer(struct dri_drawable *drawable,
+                       struct pipe_texture *ptex);
+
+void
+dri1_allocate_textures(struct dri_drawable *drawable,
+                       unsigned width, unsigned height,
+                       unsigned mask);
+
+void dri1_swap_buffers(__DRIdrawable * dPriv);
+
+void
+dri1_copy_sub_buffer(__DRIdrawable * dPriv, int x, int y, int w, int h);
+
+void
+dri1_swap_fences_clear(struct dri_drawable *drawable);
+
+#endif /* DRI1_H */
diff --git a/src/gallium/state_trackers/dri/dri_context.c b/src/gallium/state_trackers/dri/dri_context.c
index f772ba5d16..54568a8b22 100644
--- a/src/gallium/state_trackers/dri/dri_context.c
+++ b/src/gallium/state_trackers/dri/dri_context.c
@@ -30,25 +30,24 @@
  */
 
 #include "dri_screen.h"
-
 #include "dri_drawable.h"
-#include "state_tracker/drm_api.h"
-#include "state_tracker/dri1_api.h"
-#include "state_tracker/st_public.h"
-#include "pipe/p_context.h"
-
 #include "dri_context.h"
+#include "dri_st_api.h"
+#include "dri1.h"
 
+#include "pipe/p_context.h"
 #include "util/u_memory.h"
 
 GLboolean
 dri_create_context(const __GLcontextModes * visual,
 		   __DRIcontext * cPriv, void *sharedContextPrivate)
 {
+   struct st_api *stapi = dri_get_st_api();
    __DRIscreen *sPriv = cPriv->driScreenPriv;
    struct dri_screen *screen = dri_screen(sPriv);
    struct dri_context *ctx = NULL;
-   struct st_context *st_share = NULL;
+   struct st_context_iface *st_share = NULL;
+   struct st_visual stvis;
 
    if (sharedContextPrivate) {
       st_share = ((struct dri_context *)sharedContextPrivate)->st;
@@ -62,21 +61,15 @@ dri_create_context(const __GLcontextModes * visual,
    ctx->cPriv = cPriv;
    ctx->sPriv = sPriv;
    ctx->lock = screen->drmLock;
-   ctx->d_stamp = -1;
-   ctx->r_stamp = -1;
 
    driParseConfigFiles(&ctx->optionCache,
 		       &screen->optionCache, sPriv->myNum, "dri");
 
-   ctx->pipe = screen->pipe_screen->context_create( screen->pipe_screen,
-						    ctx );
-
-   if (ctx->pipe == NULL)
-      goto fail;
-
-   ctx->st = st_create_context(ctx->pipe, visual, st_share);
+   dri_fill_st_visual(&stvis, screen, visual);
+   ctx->st = stapi->create_context(stapi, screen->smapi, &stvis, st_share);
    if (ctx->st == NULL)
       goto fail;
+   ctx->st->st_manager_private = (void *) ctx;
 
    dri_init_extensions(ctx);
 
@@ -84,10 +77,7 @@ dri_create_context(const __GLcontextModes * visual,
 
  fail:
    if (ctx && ctx->st)
-      st_destroy_context(ctx->st);
-
-   if (ctx && ctx->pipe)
-      ctx->pipe->destroy(ctx->pipe);
+      ctx->st->destroy(ctx->st);
 
    FREE(ctx);
    return FALSE;
@@ -109,11 +99,8 @@ dri_destroy_context(__DRIcontext * cPriv)
     * to avoid having to add code elsewhere to cope with flushing a
     * partially destroyed context.
     */
-   st_flush(ctx->st, 0, NULL);
-
-   /* Also frees ctx->pipe?
-    */
-   st_destroy_context(ctx->st);
+   ctx->st->flush(ctx->st, 0, NULL);
+   ctx->st->destroy(ctx->st);
 
    FREE(ctx);
 }
@@ -121,14 +108,16 @@ dri_destroy_context(__DRIcontext * cPriv)
 GLboolean
 dri_unbind_context(__DRIcontext * cPriv)
 {
+   struct st_api *stapi = dri_get_st_api();
+
    if (cPriv) {
       struct dri_context *ctx = dri_context(cPriv);
 
       if (--ctx->bind_count == 0) {
-	 if (ctx->st && ctx->st == st_get_current()) {
-	    st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-	    st_make_current(NULL, NULL, NULL, NULL);
-	 }
+         if (ctx->st == stapi->get_current(stapi)) {
+            ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+            stapi->make_current(stapi, NULL, NULL, NULL);
+         }
       }
    }
 
@@ -140,83 +129,47 @@ dri_make_current(__DRIcontext * cPriv,
 		 __DRIdrawable * driDrawPriv,
 		 __DRIdrawable * driReadPriv)
 {
+   struct st_api *stapi = dri_get_st_api();
+
    if (cPriv) {
       struct dri_context *ctx = dri_context(cPriv);
       struct dri_drawable *draw = dri_drawable(driDrawPriv);
       struct dri_drawable *read = dri_drawable(driReadPriv);
-      struct st_context *old_st = st_get_current();
+      struct st_context_iface *old_st;
 
+      old_st = stapi->get_current(stapi);
       if (old_st && old_st != ctx->st)
-	 st_flush(old_st, PIPE_FLUSH_RENDER_CACHE, NULL);
+	 ctx->st->flush(old_st, PIPE_FLUSH_RENDER_CACHE, NULL);
 
       ++ctx->bind_count;
 
       if (ctx->dPriv != driDrawPriv) {
 	 ctx->dPriv = driDrawPriv;
-	 ctx->d_stamp = driDrawPriv->lastStamp - 1;
+         draw->texture_stamp = driDrawPriv->lastStamp - 1;
       }
       if (ctx->rPriv != driReadPriv) {
 	 ctx->rPriv = driReadPriv;
-	 ctx->r_stamp = driReadPriv->lastStamp - 1;
+         read->texture_stamp = driReadPriv->lastStamp - 1;
       }
 
-      /* DRI co-state tracker currently overrides flush_frontbuffer.
-       * When this is fixed, will need to pass the drawable in the
-       * fourth parameter here so that when Mesa calls
-       * flush_frontbuffer directly (in front-buffer rendering), it
-       * will have access to the drawable argument:
-       */
-      st_make_current(ctx->st, draw->stfb, read->stfb, ctx);
-
-      if (__dri1_api_hooks) {
-	 dri1_update_drawables(ctx, draw, read);
-      } else {
-	 dri_update_buffer(ctx->pipe->screen,
-			   ctx->pipe->priv);
-      }
-   } else {
-      st_make_current(NULL, NULL, NULL, NULL);
+      stapi->make_current(stapi, ctx->st, draw->stfb, read->stfb);
+   }
+   else {
+      stapi->make_current(stapi, NULL, NULL, NULL);
    }
 
    return GL_TRUE;
 }
 
-static void
-st_dri_lock(struct pipe_context *pipe)
-{
-   dri_lock((struct dri_context *)pipe->priv);
-}
-
-static void
-st_dri_unlock(struct pipe_context *pipe)
-{
-   dri_unlock((struct dri_context *)pipe->priv);
-}
-
-static boolean
-st_dri_is_locked(struct pipe_context *pipe)
+struct dri_context *
+dri_get_current(void)
 {
-   return ((struct dri_context *)pipe->priv)->isLocked;
-}
+   struct st_api *stapi = dri_get_st_api();
+   struct st_context_iface *st;
 
-static boolean
-st_dri_lost_lock(struct pipe_context *pipe)
-{
-   return ((struct dri_context *)pipe->priv)->wsLostLock;
-}
+   st = stapi->get_current(stapi);
 
-static void
-st_dri_clear_lost_lock(struct pipe_context *pipe)
-{
-   ((struct dri_context *)pipe->priv)->wsLostLock = FALSE;
+   return (struct dri_context *) (st) ? st->st_manager_private : NULL;
 }
 
-struct dri1_api_lock_funcs dri1_lf = {
-   .lock = st_dri_lock,
-   .unlock = st_dri_unlock,
-   .is_locked = st_dri_is_locked,
-   .is_lock_lost = st_dri_lost_lock,
-   .clear_lost_lock = st_dri_clear_lost_lock
-};
-
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/src/gallium/state_trackers/dri/dri_context.h b/src/gallium/state_trackers/dri/dri_context.h
index 13f497462f..845b420cf8 100644
--- a/src/gallium/state_trackers/dri/dri_context.h
+++ b/src/gallium/state_trackers/dri/dri_context.h
@@ -51,9 +51,6 @@ struct dri_context
 
    driOptionCache optionCache;
 
-   unsigned int d_stamp;
-   unsigned int r_stamp;
-
    drmLock *lock;
    boolean isLocked;
    boolean stLostLock;
@@ -62,8 +59,7 @@ struct dri_context
    unsigned int bind_count;
 
    /* gallium */
-   struct st_context *st;
-   struct pipe_context *pipe;
+   struct st_context_iface *st;
 };
 
 static INLINE struct dri_context *
@@ -72,33 +68,9 @@ dri_context(__DRIcontext * driContextPriv)
    return (struct dri_context *)driContextPriv->driverPrivate;
 }
 
-static INLINE void
-dri_lock(struct dri_context *ctx)
-{
-   drm_context_t hw_context = ctx->cPriv->hHWContext;
-   char ret = 0;
-
-   DRM_CAS(ctx->lock, hw_context, DRM_LOCK_HELD | hw_context, ret);
-   if (ret) {
-      drmGetLock(ctx->sPriv->fd, hw_context, 0);
-      ctx->stLostLock = TRUE;
-      ctx->wsLostLock = TRUE;
-   }
-   ctx->isLocked = TRUE;
-}
-
-static INLINE void
-dri_unlock(struct dri_context *ctx)
-{
-   ctx->isLocked = FALSE;
-   DRM_UNLOCK(ctx->sPriv->fd, ctx->lock, ctx->cPriv->hHWContext);
-}
-
 /***********************************************************************
  * dri_context.c
  */
-extern struct dri1_api_lock_funcs dri1_lf;
-
 void dri_destroy_context(__DRIcontext * driContextPriv);
 
 boolean dri_unbind_context(__DRIcontext * driContextPriv);
@@ -108,6 +80,9 @@ dri_make_current(__DRIcontext * driContextPriv,
 		 __DRIdrawable * driDrawPriv,
 		 __DRIdrawable * driReadPriv);
 
+struct dri_context *
+dri_get_current(void);
+
 boolean
 dri_create_context(const __GLcontextModes * visual,
 		   __DRIcontext * driContextPriv,
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index c400725c7f..930387f8a6 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -32,251 +32,30 @@
 #include "dri_screen.h"
 #include "dri_context.h"
 #include "dri_drawable.h"
+#include "dri_st_api.h"
+#include "dri1.h"
 
-#include "pipe/p_context.h"
 #include "pipe/p_screen.h"
-#include "main/mtypes.h"
-#include "main/renderbuffer.h"
-#include "state_tracker/drm_api.h"
-#include "state_tracker/dri1_api.h"
-#include "state_tracker/st_context.h"
-#include "state_tracker/st_public.h"
-#include "state_tracker/st_cb_fbo.h"
-
 #include "util/u_format.h"
 #include "util/u_memory.h"
-#include "util/u_rect.h"
 #include "util/u_inlines.h"
  
-static struct pipe_surface *
-dri_surface_from_handle(struct drm_api *api,
-			struct pipe_screen *screen,
-			unsigned handle,
-			enum pipe_format format,
-			unsigned width, unsigned height, unsigned pitch)
-{
-   struct pipe_surface *surface = NULL;
-   struct pipe_texture *texture = NULL;
-   struct pipe_texture templat;
-   struct winsys_handle whandle;
-
-   memset(&templat, 0, sizeof(templat));
-   templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
-   templat.target = PIPE_TEXTURE_2D;
-   templat.last_level = 0;
-   templat.depth0 = 1;
-   templat.format = format;
-   templat.width0 = width;
-   templat.height0 = height;
-
-   memset(&whandle, 0, sizeof(whandle));
-   whandle.handle = handle;
-   whandle.stride = pitch;
-
-   texture = screen->texture_from_handle(screen, &templat, &whandle);
-
-   if (!texture) {
-      debug_printf("%s: Failed to blanket the buffer with a texture\n", __func__);
-      return NULL;
-   }
-
-   surface = screen->get_tex_surface(screen, texture, 0, 0, 0,
-				     PIPE_BUFFER_USAGE_GPU_READ |
-				     PIPE_BUFFER_USAGE_GPU_WRITE);
-
-   /* we don't need the texture from this point on */
-   pipe_texture_reference(&texture, NULL);
-   return surface;
-}
-
-/**
- * Pixmaps have will have the same name of fake front and front.
- */
-static boolean
-dri2_check_if_pixmap(__DRIbuffer *buffers, int count)
-{
-   boolean found = FALSE;
-   boolean is_pixmap = FALSE;
-   unsigned name;
-   int i;
-
-   for (i = 0; i < count; i++) {
-      switch (buffers[i].attachment) {
-      case __DRI_BUFFER_FRONT_LEFT:
-      case __DRI_BUFFER_FAKE_FRONT_LEFT:
-         if (found) {
-            is_pixmap = buffers[i].name == name;
-         } else {
-            name = buffers[i].name;
-            found = TRUE;
-         }
-      default:
-	 continue;
-      }
-   }
-
-   return is_pixmap;
-}
-
-/**
- * This will be called a drawable is known to have been resized.
- */
-void
-dri_get_buffers(__DRIdrawable * dPriv)
-{
-
-   struct dri_drawable *drawable = dri_drawable(dPriv);
-   struct pipe_surface *surface = NULL;
-   struct dri_screen *st_screen = dri_screen(drawable->sPriv);
-   struct pipe_screen *screen = st_screen->pipe_screen;
-   __DRIbuffer *buffers = NULL;
-   __DRIscreen *dri_screen = drawable->sPriv;
-   __DRIdrawable *dri_drawable = drawable->dPriv;
-   struct drm_api *api = st_screen->api;
-   boolean have_depth = FALSE;
-   int i, count;
-
-   if ((dri_screen->dri2.loader
-        && (dri_screen->dri2.loader->base.version > 2)
-        && (dri_screen->dri2.loader->getBuffersWithFormat != NULL))) {
-      buffers = (*dri_screen->dri2.loader->getBuffersWithFormat)
-                (dri_drawable, &dri_drawable->w, &dri_drawable->h,
-                 drawable->attachments, drawable->num_attachments,
-                 &count, dri_drawable->loaderPrivate);
-   } else {
-      assert(dri_screen->dri2.loader);
-      buffers = (*dri_screen->dri2.loader->getBuffers) (dri_drawable,
-                                                        &dri_drawable->w,
-                                                        &dri_drawable->h,
-                                                        drawable->attachments,
-                                                        drawable->
-                                                        num_attachments, &count,
-                                                        dri_drawable->
-                                                        loaderPrivate);
-   }
-
-   if (buffers == NULL) {
-      return;
-   }
-
-   /* set one cliprect to cover the whole dri_drawable */
-   dri_drawable->x = 0;
-   dri_drawable->y = 0;
-   dri_drawable->backX = 0;
-   dri_drawable->backY = 0;
-   dri_drawable->numClipRects = 1;
-   dri_drawable->pClipRects[0].x1 = 0;
-   dri_drawable->pClipRects[0].y1 = 0;
-   dri_drawable->pClipRects[0].x2 = dri_drawable->w;
-   dri_drawable->pClipRects[0].y2 = dri_drawable->h;
-   dri_drawable->numBackClipRects = 1;
-   dri_drawable->pBackClipRects[0].x1 = 0;
-   dri_drawable->pBackClipRects[0].y1 = 0;
-   dri_drawable->pBackClipRects[0].x2 = dri_drawable->w;
-   dri_drawable->pBackClipRects[0].y2 = dri_drawable->h;
-
-   if (drawable->old_num == count &&
-       drawable->old_w == dri_drawable->w &&
-       drawable->old_h == dri_drawable->h &&
-       memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0) {
-       return;
-   } else {
-      drawable->old_num = count;
-      drawable->old_w = dri_drawable->w;
-      drawable->old_h = dri_drawable->h;
-      memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count);
-   }
-
-   drawable->is_pixmap = dri2_check_if_pixmap(buffers, count);
-
-   for (i = 0; i < count; i++) {
-      enum pipe_format format = 0;
-      int index = 0;
-
-      switch (buffers[i].attachment) {
-      case __DRI_BUFFER_FRONT_LEFT:
-	 if (!st_screen->auto_fake_front)
-	    continue;
-	 /* fallthrough */
-      case __DRI_BUFFER_FAKE_FRONT_LEFT:
-	 index = ST_SURFACE_FRONT_LEFT;
-	 format = drawable->color_format;
-	 break;
-      case __DRI_BUFFER_BACK_LEFT:
-	 index = ST_SURFACE_BACK_LEFT;
-	 format = drawable->color_format;
-	 break;
-      case __DRI_BUFFER_DEPTH:
-      case __DRI_BUFFER_DEPTH_STENCIL:
-      case __DRI_BUFFER_STENCIL:
-	 index = ST_SURFACE_DEPTH;
-	 format = drawable->depth_stencil_format;
-	 break;
-      case __DRI_BUFFER_ACCUM:
-      default:
-	 assert(0);
-      }
-
-      if (index == ST_SURFACE_DEPTH) {
-	 if (have_depth)
-	    continue;
-	 else
-	    have_depth = TRUE;
-      }
-
-      surface = dri_surface_from_handle(api,
-					screen,
-					buffers[i].name,
-					format,
-					dri_drawable->w,
-					dri_drawable->h, buffers[i].pitch);
-
-      switch (buffers[i].attachment) {
-      case __DRI_BUFFER_FRONT_LEFT:
-      case __DRI_BUFFER_FAKE_FRONT_LEFT:
-      case __DRI_BUFFER_BACK_LEFT:
-	 drawable->color_format = surface->format;
-	 break;
-      case __DRI_BUFFER_DEPTH:
-      case __DRI_BUFFER_DEPTH_STENCIL:
-      case __DRI_BUFFER_STENCIL:
-	 drawable->depth_stencil_format = surface->format;
-	 break;
-      case __DRI_BUFFER_ACCUM:
-      default:
-	 assert(0);
-      }
-
-      st_set_framebuffer_surface(drawable->stfb, index, surface);
-      pipe_surface_reference(&surface, NULL);
-   }
-   /* this needed, or else the state tracker fails to pick the new buffers */
-   st_resize_framebuffer(drawable->stfb, dri_drawable->w, dri_drawable->h);
-}
-
 /**
  * These are used for GLX_EXT_texture_from_pixmap
  */
 void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
                           GLint format, __DRIdrawable *dPriv)
 {
+   struct dri_context *ctx = dri_context(pDRICtx);
    struct dri_drawable *drawable = dri_drawable(dPriv);
-   struct pipe_surface *ps;
+   struct pipe_texture *pt =
+      dri_get_st_framebuffer_texture(drawable->stfb, ST_ATTACHMENT_FRONT_LEFT);
 
-   if (!drawable->stfb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer) {
-      struct gl_renderbuffer *rb =
-         st_new_renderbuffer_fb(drawable->color_format, 0 /*XXX*/, FALSE);
-      _mesa_add_renderbuffer(&drawable->stfb->Base, BUFFER_FRONT_LEFT, rb);
+   if (pt) {
+      ctx->st->teximage(ctx->st,
+            (target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
+            0, drawable->stvis.color_format, pt, FALSE);
    }
-
-   dri_get_buffers(drawable->dPriv);
-   st_get_framebuffer_surface(drawable->stfb, ST_SURFACE_FRONT_LEFT, &ps);
-
-   if (!ps)
-      return;
-
-   st_bind_texture_surface(ps, target == GL_TEXTURE_2D ? ST_TEXTURE_2D :
-                           ST_TEXTURE_RECT, 0, drawable->color_format);
 }
 
 void dri2_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
@@ -285,53 +64,6 @@ void dri2_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
    dri2_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
 }
 
-void
-dri_update_buffer(struct pipe_screen *screen, void *context_private)
-{
-   struct dri_context *ctx = (struct dri_context *)context_private;
-
-   if (ctx->d_stamp == *ctx->dPriv->pStamp &&
-       ctx->r_stamp == *ctx->rPriv->pStamp)
-      return;
-
-   ctx->d_stamp = *ctx->dPriv->pStamp;
-   ctx->r_stamp = *ctx->rPriv->pStamp;
-
-   /* Ask the X server for new renderbuffers. */
-   dri_get_buffers(ctx->dPriv);
-   if (ctx->dPriv != ctx->rPriv)
-      dri_get_buffers(ctx->rPriv);
-
-}
-
-void
-dri_flush_frontbuffer(struct pipe_screen *screen,
-		      struct pipe_surface *surf, void *context_private)
-{
-   struct dri_context *ctx = (struct dri_context *)context_private;
-   struct dri_drawable *drawable = dri_drawable(ctx->dPriv);
-   __DRIdrawable *dri_drawable = ctx->dPriv;
-   __DRIscreen *dri_screen = ctx->sPriv;
-
-   /* XXX Does this function get called with DRI1? */
-
-   if (ctx->dPriv == NULL) {
-      debug_printf("%s: no drawable bound to context\n", __func__);
-      return;
-   }
-
-#if 0
-   /* TODO if rendering to pixmaps is slow enable this code. */
-   if (drawable->is_pixmap)
-      return;
-#else
-   (void)drawable;
-#endif
-
-   (*dri_screen->dri2.loader->flushFrontBuffer)(dri_drawable,
-						dri_drawable->loaderPrivate);
-}
-
 /**
  * This is called when we need to set up GL rendering to a new X window.
  */
@@ -342,7 +74,6 @@ dri_create_buffer(__DRIscreen * sPriv,
 {
    struct dri_screen *screen = sPriv->private;
    struct dri_drawable *drawable = NULL;
-   int i;
 
    if (isPixmap)
       goto fail;		       /* not implemented */
@@ -351,45 +82,8 @@ dri_create_buffer(__DRIscreen * sPriv,
    if (drawable == NULL)
       goto fail;
 
-   if (visual->redBits == 8) {
-      if (visual->alphaBits == 8)
-         drawable->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
-      else
-         drawable->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
-   } else {
-      drawable->color_format = PIPE_FORMAT_B5G6R5_UNORM;
-   }
-
-   switch(visual->depthBits) {
-   default:
-   case 0:
-      drawable->depth_stencil_format = PIPE_FORMAT_NONE;
-      break;
-   case 16:
-      drawable->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
-      break;
-   case 24:
-      if (visual->stencilBits == 0) {
-	 drawable->depth_stencil_format = (screen->d_depth_bits_last) ?
-                                          PIPE_FORMAT_Z24X8_UNORM:
-                                          PIPE_FORMAT_X8Z24_UNORM;
-      } else {
-	 drawable->depth_stencil_format = (screen->sd_depth_bits_last) ?
-                                          PIPE_FORMAT_Z24S8_UNORM:
-                                          PIPE_FORMAT_S8Z24_UNORM;
-      }
-      break;
-   case 32:
-      drawable->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
-      break;
-   }
-
-   drawable->stfb = st_create_framebuffer(visual,
-					  drawable->color_format,
-					  drawable->depth_stencil_format,
-					  drawable->depth_stencil_format,
-					  dPriv->w,
-					  dPriv->h, (void *)drawable);
+   dri_fill_st_visual(&drawable->stvis, screen, visual);
+   drawable->stfb = dri_create_st_framebuffer(drawable);
    if (drawable->stfb == NULL)
       goto fail;
 
@@ -397,48 +91,6 @@ dri_create_buffer(__DRIscreen * sPriv,
    drawable->dPriv = dPriv;
    dPriv->driverPrivate = (void *)drawable;
 
-   /* setup dri2 buffers information */
-   /* TODO incase of double buffer visual, delay fake creation */
-   i = 0;
-   if (sPriv->dri2.loader
-       && (sPriv->dri2.loader->base.version > 2)
-       && (sPriv->dri2.loader->getBuffersWithFormat != NULL)) {
-      drawable->attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
-      drawable->attachments[i++] = visual->rgbBits;
-      if (!screen->auto_fake_front)  {
-         drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
-         drawable->attachments[i++] = visual->rgbBits;
-      }
-      if (visual->doubleBufferMode) {
-         drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT;
-         drawable->attachments[i++] = visual->rgbBits;
-      }
-      if (visual->depthBits && visual->stencilBits) {
-         drawable->attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
-         drawable->attachments[i++] = visual->depthBits + visual->stencilBits;
-      } else if (visual->depthBits) {
-         drawable->attachments[i++] = __DRI_BUFFER_DEPTH;
-         drawable->attachments[i++] = visual->depthBits;
-      } else if (visual->stencilBits) {
-         drawable->attachments[i++] = __DRI_BUFFER_STENCIL;
-         drawable->attachments[i++] = visual->stencilBits;
-      }
-      drawable->num_attachments = i / 2;
-   } else {
-      drawable->attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
-      if (!screen->auto_fake_front)
-         drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
-      if (visual->doubleBufferMode)
-         drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT;
-      if (visual->depthBits && visual->stencilBits)
-         drawable->attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
-      else if (visual->depthBits)
-         drawable->attachments[i++] = __DRI_BUFFER_DEPTH;
-      else if (visual->stencilBits)
-         drawable->attachments[i++] = __DRI_BUFFER_STENCIL;
-      drawable->num_attachments = i;
-   }
-
    drawable->desired_fences = 2;
 
    return GL_TRUE;
@@ -447,319 +99,23 @@ fail:
    return GL_FALSE;
 }
 
-static struct pipe_fence_handle *
-dri_swap_fences_pop_front(struct dri_drawable *draw)
-{
-   struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen;
-   struct pipe_fence_handle *fence = NULL;
-
-   if (draw->cur_fences >= draw->desired_fences) {
-      screen->fence_reference(screen, &fence, draw->swap_fences[draw->tail]);
-      screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL);
-      --draw->cur_fences;
-      draw->tail &= DRI_SWAP_FENCES_MASK;
-   }
-   return fence;
-}
-
-static void
-dri_swap_fences_push_back(struct dri_drawable *draw,
-			  struct pipe_fence_handle *fence)
-{
-   struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen;
-
-   if (!fence)
-      return;
-
-   if (draw->cur_fences < DRI_SWAP_FENCES_MAX) {
-      draw->cur_fences++;
-      screen->fence_reference(screen, &draw->swap_fences[draw->head++],
-			      fence);
-      draw->head &= DRI_SWAP_FENCES_MASK;
-   }
-}
-
 void
 dri_destroy_buffer(__DRIdrawable * dPriv)
 {
    struct dri_drawable *drawable = dri_drawable(dPriv);
-   struct pipe_fence_handle *fence;
-   struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen;
-
-   st_unreference_framebuffer(drawable->stfb);
-   drawable->desired_fences = 0;
-   while (drawable->cur_fences) {
-      fence = dri_swap_fences_pop_front(drawable);
-      screen->fence_reference(screen, &fence, NULL);
-   }
-
-   FREE(drawable);
-}
-
-static void
-dri1_update_drawables_locked(struct dri_context *ctx,
-			     __DRIdrawable * driDrawPriv,
-			     __DRIdrawable * driReadPriv)
-{
-   if (ctx->stLostLock) {
-      ctx->stLostLock = FALSE;
-      if (driDrawPriv == driReadPriv)
-	 DRI_VALIDATE_DRAWABLE_INFO(ctx->sPriv, driDrawPriv);
-      else
-	 DRI_VALIDATE_TWO_DRAWABLES_INFO(ctx->sPriv, driDrawPriv,
-					 driReadPriv);
-   }
-}
-
-/**
- * This ensures all contexts which bind to a drawable pick up the
- * drawable change and signal new buffer state.
- * Calling st_resize_framebuffer for each context may seem like overkill,
- * but no new buffers will actually be allocated if the dimensions don't
- * change.
- */
-
-static void
-dri1_propagate_drawable_change(struct dri_context *ctx)
-{
-   __DRIdrawable *dPriv = ctx->dPriv;
-   __DRIdrawable *rPriv = ctx->rPriv;
-   boolean flushed = FALSE;
-
-   if (dPriv && ctx->d_stamp != dPriv->lastStamp) {
-
-      st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-      flushed = TRUE;
-      ctx->d_stamp = dPriv->lastStamp;
-      st_resize_framebuffer(dri_drawable(dPriv)->stfb, dPriv->w, dPriv->h);
-
-   }
-
-   if (rPriv && dPriv != rPriv && ctx->r_stamp != rPriv->lastStamp) {
-
-      if (!flushed)
-	 st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-      ctx->r_stamp = rPriv->lastStamp;
-      st_resize_framebuffer(dri_drawable(rPriv)->stfb, rPriv->w, rPriv->h);
-
-   } else if (rPriv && dPriv == rPriv) {
-
-      ctx->r_stamp = ctx->d_stamp;
-
-   }
-}
-
-void
-dri1_update_drawables(struct dri_context *ctx,
-		      struct dri_drawable *draw, struct dri_drawable *read)
-{
-   dri_lock(ctx);
-   dri1_update_drawables_locked(ctx, draw->dPriv, read->dPriv);
-   dri_unlock(ctx);
-
-   dri1_propagate_drawable_change(ctx);
-}
-
-static INLINE boolean
-dri1_intersect_src_bbox(struct drm_clip_rect *dst,
-			int dst_x,
-			int dst_y,
-			const struct drm_clip_rect *src,
-			const struct drm_clip_rect *bbox)
-{
-   int xy1;
-   int xy2;
-
-   xy1 = ((int)src->x1 > (int)bbox->x1 + dst_x) ? src->x1 :
-      (int)bbox->x1 + dst_x;
-   xy2 = ((int)src->x2 < (int)bbox->x2 + dst_x) ? src->x2 :
-      (int)bbox->x2 + dst_x;
-   if (xy1 >= xy2 || xy1 < 0)
-      return FALSE;
-
-   dst->x1 = xy1;
-   dst->x2 = xy2;
-
-   xy1 = ((int)src->y1 > (int)bbox->y1 + dst_y) ? src->y1 :
-      (int)bbox->y1 + dst_y;
-   xy2 = ((int)src->y2 < (int)bbox->y2 + dst_y) ? src->y2 :
-      (int)bbox->y2 + dst_y;
-   if (xy1 >= xy2 || xy1 < 0)
-      return FALSE;
-
-   dst->y1 = xy1;
-   dst->y2 = xy2;
-   return TRUE;
-}
-
-static void
-dri1_swap_copy(struct dri_context *ctx,
-	       struct pipe_surface *dst,
-	       struct pipe_surface *src,
-	       __DRIdrawable * dPriv, const struct drm_clip_rect *bbox)
-{
-   struct pipe_context *pipe = ctx->pipe;
-   struct drm_clip_rect clip;
-   struct drm_clip_rect *cur;
    int i;
 
-   cur = dPriv->pClipRects;
-
-   for (i = 0; i < dPriv->numClipRects; ++i) {
-      if (dri1_intersect_src_bbox(&clip, dPriv->x, dPriv->y, cur++, bbox)) {
-         if (pipe->surface_copy) {
-            pipe->surface_copy(pipe, dst, clip.x1, clip.y1,
-                               src,
-                               (int)clip.x1 - dPriv->x,
-                               (int)clip.y1 - dPriv->y,
-                               clip.x2 - clip.x1, clip.y2 - clip.y1);
-         } else {
-            util_surface_copy(pipe, FALSE, dst, clip.x1, clip.y1,
-                              src,
-                              (int)clip.x1 - dPriv->x,
-                              (int)clip.y1 - dPriv->y,
-                              clip.x2 - clip.x1, clip.y2 - clip.y1);
-         }
-      }
-   }
-}
-
-static void
-dri1_copy_to_front(struct dri_context *ctx,
-		   struct pipe_surface *surf,
-		   __DRIdrawable * dPriv,
-		   const struct drm_clip_rect *sub_box,
-		   struct pipe_fence_handle **fence)
-{
-   struct pipe_context *pipe = ctx->pipe;
-   boolean save_lost_lock;
-   uint cur_w;
-   uint cur_h;
-   struct drm_clip_rect bbox;
-   boolean visible = TRUE;
-
-   *fence = NULL;
-
-   dri_lock(ctx);
-   save_lost_lock = ctx->stLostLock;
-   dri1_update_drawables_locked(ctx, dPriv, dPriv);
-   st_get_framebuffer_dimensions(dri_drawable(dPriv)->stfb, &cur_w, &cur_h);
-
-   bbox.x1 = 0;
-   bbox.x2 = cur_w;
-   bbox.y1 = 0;
-   bbox.y2 = cur_h;
-
-   if (sub_box)
-      visible = dri1_intersect_src_bbox(&bbox, 0, 0, &bbox, sub_box);
-
-   if (visible && __dri1_api_hooks->present_locked) {
-
-      __dri1_api_hooks->present_locked(pipe,
-				       surf,
-				       dPriv->pClipRects,
-				       dPriv->numClipRects,
-				       dPriv->x, dPriv->y, &bbox, fence);
-
-   } else if (visible && __dri1_api_hooks->front_srf_locked) {
-
-      struct pipe_surface *front = __dri1_api_hooks->front_srf_locked(pipe);
+   dri1_swap_fences_clear(drawable);
 
-      if (front)
-	 dri1_swap_copy(ctx, front, surf, dPriv, &bbox);
-
-      st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, fence);
-   }
-
-   ctx->stLostLock = save_lost_lock;
-
-   /**
-    * FIXME: Revisit this: Update drawables on copy_sub_buffer ?
-    */
-
-   if (!sub_box)
-      dri1_update_drawables_locked(ctx, ctx->dPriv, ctx->rPriv);
-
-   dri_unlock(ctx);
-   dri1_propagate_drawable_change(ctx);
-}
-
-void
-dri1_flush_frontbuffer(struct pipe_screen *screen,
-		       struct pipe_surface *surf, void *context_private)
-{
-   struct dri_context *ctx = (struct dri_context *)context_private;
-   struct pipe_fence_handle *dummy_fence;
+   pipe_surface_reference(&drawable->dri1_surface, NULL);
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+      pipe_texture_reference(&drawable->textures[i], NULL);
 
-   dri1_copy_to_front(ctx, surf, ctx->dPriv, NULL, &dummy_fence);
-   screen->fence_reference(screen, &dummy_fence, NULL);
+   dri_destroy_st_framebuffer(drawable->stfb);
 
-   /**
-    * FIXME: Do we need swap throttling here?
-    */
-}
-
-void
-dri_swap_buffers(__DRIdrawable * dPriv)
-{
-   struct dri_context *ctx;
-   struct pipe_surface *back_surf;
-   struct dri_drawable *draw = dri_drawable(dPriv);
-   struct pipe_screen *screen = dri_screen(draw->sPriv)->pipe_screen;
-   struct pipe_fence_handle *fence;
-   struct st_context *st = st_get_current();
-
-   assert(__dri1_api_hooks != NULL);
-
-   if (!st)
-      return;			       /* For now */
-
-   ctx = (struct dri_context *)st->pipe->priv;
-
-   st_get_framebuffer_surface(draw->stfb, ST_SURFACE_BACK_LEFT, &back_surf);
-   if (back_surf) {
-      st_notify_swapbuffers(draw->stfb);
-      st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-      fence = dri_swap_fences_pop_front(draw);
-      if (fence) {
-	 (void)screen->fence_finish(screen, fence, 0);
-	 screen->fence_reference(screen, &fence, NULL);
-      }
-      dri1_copy_to_front(ctx, back_surf, dPriv, NULL, &fence);
-      dri_swap_fences_push_back(draw, fence);
-      screen->fence_reference(screen, &fence, NULL);
-   }
-}
-
-void
-dri_copy_sub_buffer(__DRIdrawable * dPriv, int x, int y, int w, int h)
-{
-   struct pipe_screen *screen = dri_screen(dPriv->driScreenPriv)->pipe_screen;
-   struct drm_clip_rect sub_bbox;
-   struct dri_context *ctx;
-   struct pipe_surface *back_surf;
-   struct dri_drawable *draw = dri_drawable(dPriv);
-   struct pipe_fence_handle *dummy_fence;
-   struct st_context *st = st_get_current();
-
-   assert(__dri1_api_hooks != NULL);
-
-   if (!st)
-      return;
-
-   ctx = (struct dri_context *)st->pipe->priv;
-
-   sub_bbox.x1 = x;
-   sub_bbox.x2 = x + w;
-   sub_bbox.y1 = y;
-   sub_bbox.y2 = y + h;
+   drawable->desired_fences = 0;
 
-   st_get_framebuffer_surface(draw->stfb, ST_SURFACE_BACK_LEFT, &back_surf);
-   if (back_surf) {
-      st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
-      dri1_copy_to_front(ctx, back_surf, dPriv, &sub_bbox, &dummy_fence);
-      screen->fence_reference(screen, &dummy_fence, NULL);
-   }
+   FREE(drawable);
 }
 
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/src/gallium/state_trackers/dri/dri_drawable.h b/src/gallium/state_trackers/dri/dri_drawable.h
index 8bc59cb4c3..7f687b65f2 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.h
+++ b/src/gallium/state_trackers/dri/dri_drawable.h
@@ -29,6 +29,8 @@
 #define DRI_DRAWABLE_H
 
 #include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
+#include "state_tracker/st_api.h"
 
 struct pipe_surface;
 struct pipe_fence_handle;
@@ -44,26 +46,26 @@ struct dri_drawable
    __DRIdrawable *dPriv;
    __DRIscreen *sPriv;
 
-   unsigned attachments[8];
-   unsigned num_attachments;
-
-   boolean is_pixmap;
+   /* gallium */
+   struct st_framebuffer_iface *stfb;
+   struct st_visual stvis;
 
    __DRIbuffer old[8];
    unsigned old_num;
    unsigned old_w;
    unsigned old_h;
 
-   /* gallium */
-   struct st_framebuffer *stfb;
+   struct pipe_texture *textures[ST_ATTACHMENT_COUNT];
+   unsigned int texture_mask, texture_stamp;
+
    struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
    unsigned int head;
    unsigned int tail;
    unsigned int desired_fences;
    unsigned int cur_fences;
 
-   enum pipe_format color_format;
-   enum pipe_format depth_stencil_format;
+   /* used only by DRI1 */
+   struct pipe_surface *dri1_surface;
 };
 
 static INLINE struct dri_drawable *
@@ -80,20 +82,6 @@ dri_create_buffer(__DRIscreen * sPriv,
 		  __DRIdrawable * dPriv,
 		  const __GLcontextModes * visual, boolean isPixmap);
 
-void
-dri_update_buffer(struct pipe_screen *screen, void *context_private);
-
-void
-dri_flush_frontbuffer(struct pipe_screen *screen,
-		      struct pipe_surface *surf, void *context_private);
-
-void dri_swap_buffers(__DRIdrawable * dPriv);
-
-void
-dri_copy_sub_buffer(__DRIdrawable * dPriv, int x, int y, int w, int h);
-
-void dri_get_buffers(__DRIdrawable * dPriv);
-
 void dri_destroy_buffer(__DRIdrawable * dPriv);
 
 void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
@@ -102,13 +90,6 @@ void dri2_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
 void dri2_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
                          __DRIdrawable *dPriv);
 
-void
-dri1_update_drawables(struct dri_context *ctx,
-		      struct dri_drawable *draw, struct dri_drawable *read);
-
-void
-dri1_flush_frontbuffer(struct pipe_screen *screen,
-		       struct pipe_surface *surf, void *context_private);
 #endif
 
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/src/gallium/state_trackers/dri/dri_extensions.c b/src/gallium/state_trackers/dri/dri_extensions.c
index 800677a2d1..df458e1eb0 100644
--- a/src/gallium/state_trackers/dri/dri_extensions.c
+++ b/src/gallium/state_trackers/dri/dri_extensions.c
@@ -38,9 +38,11 @@
 void
 dri_init_extensions(struct dri_context *ctx)
 {
+   struct st_context *st = (struct st_context *) ctx->st;
+
    /* New extensions should be added in mesa/state_tracker/st_extensions.c
     * and not in this file. */
-   driInitExtensions(ctx->st->ctx, NULL, GL_FALSE);
+   driInitExtensions(st->ctx, NULL, GL_FALSE);
 }
 
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 7ccad8f5dd..17b9f1c5fa 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -36,11 +36,13 @@
 #include "dri_screen.h"
 #include "dri_context.h"
 #include "dri_drawable.h"
+#include "dri_st_api.h"
+#include "dri1.h"
 
+#include "util/u_inlines.h"
 #include "pipe/p_screen.h"
 #include "pipe/p_format.h"
 #include "state_tracker/drm_api.h"
-#include "state_tracker/dri1_api.h"
 
 #include "util/u_debug.h"
 
@@ -53,7 +55,7 @@ PUBLIC const char __driConfigOptions[] =
    DRI_CONF_ALLOW_LARGE_TEXTURES(1)
    DRI_CONF_SECTION_END DRI_CONF_END;
 
-   const uint __driNConfigOptions = 3;
+const uint __driNConfigOptions = 3;
 
 static const __DRItexBufferExtension dri2TexBufferExtension = {
     { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
@@ -66,10 +68,23 @@ dri2_flush_drawable(__DRIdrawable *draw)
 {
 }
 
+static void
+dri2_invalidate_drawable(__DRIdrawable *dPriv)
+{
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct dri_context *ctx = dri_context(dPriv->driContextPriv);
+
+   dri2InvalidateDrawable(dPriv);
+   drawable->dPriv->lastStamp = *drawable->dPriv->pStamp;
+
+   if (ctx)
+      ctx->st->notify_invalid_framebuffer(ctx->st, drawable->stfb);
+}
+
 static const __DRI2flushExtension dri2FlushExtension = {
     { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
     dri2_flush_drawable,
-    dri2InvalidateDrawable,
+    dri2_invalidate_drawable,
 };
 
    static const __DRIextension *dri_screen_extensions[] = {
@@ -83,9 +98,7 @@ static const __DRI2flushExtension dri2FlushExtension = {
       NULL
    };
 
-struct dri1_api *__dri1_api_hooks = NULL;
-
-static const __DRIconfig **
+const __DRIconfig **
 dri_fill_in_modes(struct dri_screen *screen,
 		  unsigned pixel_bits)
 {
@@ -229,6 +242,68 @@ dri_fill_in_modes(struct dri_screen *screen,
 }
 
 /**
+ * Roughly the converse of dri_fill_in_modes.
+ */
+void
+dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
+                   const __GLcontextModes *mode)
+{
+   memset(stvis, 0, sizeof(*stvis));
+
+   stvis->samples = mode->samples;
+   stvis->render_buffer = ST_ATTACHMENT_INVALID;
+
+   if (mode->redBits == 8) {
+      if (mode->alphaBits == 8)
+         stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
+      else
+         stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
+   } else {
+      stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
+   }
+
+   switch (mode->depthBits) {
+   default:
+   case 0:
+      stvis->depth_stencil_format = PIPE_FORMAT_NONE;
+      break;
+   case 16:
+      stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
+      break;
+   case 24:
+      if (mode->stencilBits == 0) {
+	 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
+                                          PIPE_FORMAT_Z24X8_UNORM:
+                                          PIPE_FORMAT_X8Z24_UNORM;
+      } else {
+	 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
+                                          PIPE_FORMAT_Z24S8_UNORM:
+                                          PIPE_FORMAT_S8Z24_UNORM;
+      }
+      break;
+   case 32:
+      stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
+      break;
+   }
+
+   stvis->accum_format = (mode->haveAccumBuffer) ?
+      PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
+
+   stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
+   if (mode->doubleBufferMode)
+      stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
+   if (mode->stereoMode) {
+      stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
+      if (mode->doubleBufferMode)
+         stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
+   }
+
+   if (mode->haveDepthBuffer || mode->haveStencilBuffer)
+      stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
+   /* let the state tracker allocate the accum buffer */
+}
+
+/**
  * Get information about previous buffer swaps.
  */
 static int
@@ -240,73 +315,31 @@ dri_get_swap_info(__DRIdrawable * dPriv, __DRIswapInfo * sInfo)
       return 0;
 }
 
-static INLINE void
-dri_copy_version(struct dri1_api_version *dst,
-		 const struct __DRIversionRec *src)
-{
-   dst->major = src->major;
-   dst->minor = src->minor;
-   dst->patch_level = src->patch;
-}
-
-static const __DRIconfig **
-dri_init_screen(__DRIscreen * sPriv)
+static void
+dri_destroy_screen(__DRIscreen * sPriv)
 {
-   struct dri_screen *screen;
-   const __DRIconfig **configs;
-   struct dri1_create_screen_arg arg;
+   struct dri_screen *screen = dri_screen(sPriv);
+   int i;
 
-   screen = CALLOC_STRUCT(dri_screen);
-   if (!screen)
-      return NULL;
+   if (screen->dri1_pipe)
+      screen->dri1_pipe->destroy(screen->dri1_pipe);
 
-   screen->api = drm_api_create();
-   screen->sPriv = sPriv;
-   screen->fd = sPriv->fd;
-   screen->drmLock = (drmLock *) & sPriv->pSAREA->lock;
+   if (screen->smapi)
+      dri_destroy_st_manager(screen->smapi);
+   if (screen->pipe_screen)
+      screen->pipe_screen->destroy(screen->pipe_screen);
 
-   sPriv->private = (void *)screen;
-   sPriv->extensions = dri_screen_extensions;
-
-   arg.base.mode = DRM_CREATE_DRI1;
-   arg.lf = &dri1_lf;
-   arg.ddx_info = sPriv->pDevPriv;
-   arg.ddx_info_size = sPriv->devPrivSize;
-   arg.sarea = sPriv->pSAREA;
-   dri_copy_version(&arg.ddx_version, &sPriv->ddx_version);
-   dri_copy_version(&arg.dri_version, &sPriv->dri_version);
-   dri_copy_version(&arg.drm_version, &sPriv->drm_version);
-   arg.api = NULL;
-
-   screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, &arg.base);
-
-   if (!screen->pipe_screen || !arg.api) {
-      debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__);
-      goto out_no_screen;
+   for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
+      FREE(screen->optionCache.info[i].name);
+      FREE(screen->optionCache.info[i].ranges);
    }
 
-   __dri1_api_hooks = arg.api;
-
-   screen->pipe_screen->flush_frontbuffer = dri1_flush_frontbuffer;
-   driParseOptionInfo(&screen->optionCache,
-		      __driConfigOptions, __driNConfigOptions);
-
-   /**
-    * FIXME: If the driver supports format conversion swapbuffer blits, we might
-    * want to support other color bit depths than the server is currently
-    * using.
-    */
-
-   configs = dri_fill_in_modes(screen, sPriv->fbBPP);
-   if (!configs)
-      goto out_no_configs;
+   FREE(screen->optionCache.info);
+   FREE(screen->optionCache.values);
 
-   return configs;
- out_no_configs:
-   screen->pipe_screen->destroy(screen->pipe_screen);
- out_no_screen:
    FREE(screen);
-   return NULL;
+   sPriv->private = NULL;
+   sPriv->extensions = NULL;
 }
 
 /**
@@ -324,7 +357,7 @@ dri_init_screen2(__DRIscreen * sPriv)
 
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
-      goto fail;
+      return NULL;
 
    screen->api = drm_api_create();
    screen->sPriv = sPriv;
@@ -339,9 +372,9 @@ dri_init_screen2(__DRIscreen * sPriv)
       goto fail;
    }
 
-   /* We need to hook in here */
-   screen->pipe_screen->update_buffer = dri_update_buffer;
-   screen->pipe_screen->flush_frontbuffer = dri_flush_frontbuffer;
+   screen->smapi = dri_create_st_manager(screen);
+   if (!screen->smapi)
+      goto fail;
 
    driParseOptionInfo(&screen->optionCache,
 		      __driConfigOptions, __driNConfigOptions);
@@ -350,46 +383,27 @@ dri_init_screen2(__DRIscreen * sPriv)
       dri2_ext->getBuffersWithFormat != NULL;
 
    return dri_fill_in_modes(screen, 32);
- fail:
+fail:
+   dri_destroy_screen(sPriv);
    return NULL;
 }
 
-static void
-dri_destroy_screen(__DRIscreen * sPriv)
-{
-   struct dri_screen *screen = dri_screen(sPriv);
-   int i;
-
-   screen->pipe_screen->destroy(screen->pipe_screen);
-   
-   for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
-      FREE(screen->optionCache.info[i].name);
-      FREE(screen->optionCache.info[i].ranges);
-   }
-
-   FREE(screen->optionCache.info);
-   FREE(screen->optionCache.values);
-
-   FREE(screen);
-   sPriv->private = NULL;
-}
-
-PUBLIC const struct __DriverAPIRec driDriverAPI = {
-   .InitScreen = dri_init_screen,
+const struct __DriverAPIRec driDriverAPI = {
    .DestroyScreen = dri_destroy_screen,
    .CreateContext = dri_create_context,
    .DestroyContext = dri_destroy_context,
    .CreateBuffer = dri_create_buffer,
    .DestroyBuffer = dri_destroy_buffer,
-   .SwapBuffers = dri_swap_buffers,
    .MakeCurrent = dri_make_current,
    .UnbindContext = dri_unbind_context,
    .GetSwapInfo = dri_get_swap_info,
    .GetDrawableMSC = driDrawableGetMSC32,
    .WaitForMSC = driWaitForMSC32,
-   .CopySubBuffer = dri_copy_sub_buffer,
-   .InitScreen = dri_init_screen,
    .InitScreen2 = dri_init_screen2,
+
+   .InitScreen = dri1_init_screen,
+   .SwapBuffers = dri1_swap_buffers,
+   .CopySubBuffer = dri1_copy_sub_buffer,
 };
 
 /* This is the table of extensions that the loader will dlsym() for. */
diff --git a/src/gallium/state_trackers/dri/dri_screen.h b/src/gallium/state_trackers/dri/dri_screen.h
index 75a0ee4250..e9944e0f63 100644
--- a/src/gallium/state_trackers/dri/dri_screen.h
+++ b/src/gallium/state_trackers/dri/dri_screen.h
@@ -36,8 +36,9 @@
 #include "xmlconfig.h"
 
 #include "pipe/p_compiler.h"
-
-#include "state_tracker/dri1_api.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "state_tracker/st_api.h"
 
 struct dri_screen
 {
@@ -60,6 +61,11 @@ struct dri_screen
    boolean d_depth_bits_last;
    boolean sd_depth_bits_last;
    boolean auto_fake_front;
+
+   struct st_manager *smapi;
+
+   /* used only by DRI1 */
+   struct pipe_context *dri1_pipe;
 };
 
 /** cast wrapper */
@@ -69,11 +75,14 @@ dri_screen(__DRIscreen * sPriv)
    return (struct dri_screen *)sPriv->private;
 }
 
-/***********************************************************************
- * dri_screen.c
- */
+extern const uint __driNConfigOptions;
+
+const __DRIconfig **
+dri_fill_in_modes(struct dri_screen *screen, unsigned pixel_bits);
 
-extern struct dri1_api *__dri1_api_hooks;
+void
+dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
+                   const __GLcontextModes *mode);
 
 #endif
 
diff --git a/src/gallium/state_trackers/dri/dri_st_api.c b/src/gallium/state_trackers/dri/dri_st_api.c
new file mode 100644
index 0000000000..2cde01967d
--- /dev/null
+++ b/src/gallium/state_trackers/dri/dri_st_api.c
@@ -0,0 +1,445 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "util/u_debug.h"
+#include "state_tracker/drm_api.h"
+#include "state_tracker/st_manager.h" /* for st_manager_create_api */
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_drawable.h"
+#include "dri_st_api.h"
+#include "dri1.h"
+
+static struct {
+   int32_t refcnt;
+   struct st_api *stapi;
+} dri_st_api;
+
+/**
+ * Get the format of an attachment.
+ */
+static INLINE enum pipe_format
+dri_drawable_get_format(struct dri_drawable *drawable,
+                        enum st_attachment_type statt)
+{
+   enum pipe_format format;
+
+   switch (statt) {
+   case ST_ATTACHMENT_FRONT_LEFT:
+   case ST_ATTACHMENT_BACK_LEFT:
+   case ST_ATTACHMENT_FRONT_RIGHT:
+   case ST_ATTACHMENT_BACK_RIGHT:
+      format = drawable->stvis.color_format;
+      break;
+   case ST_ATTACHMENT_DEPTH_STENCIL:
+      format = drawable->stvis.depth_stencil_format;
+      break;
+   default:
+      format = PIPE_FORMAT_NONE;
+      break;
+   }
+
+   return format;
+}
+
+/**
+ * Process __DRIbuffer and convert them into pipe_textures.
+ */
+static void
+dri_drawable_process_buffers(struct dri_drawable *drawable,
+                             __DRIbuffer *buffers, unsigned count)
+{
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+   __DRIdrawable *dri_drawable = drawable->dPriv;
+   struct pipe_texture templ;
+   struct winsys_handle whandle;
+   boolean have_depth = FALSE;
+   unsigned i;
+
+   if (drawable->old_num == count &&
+       drawable->old_w == dri_drawable->w &&
+       drawable->old_h == dri_drawable->h &&
+       memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0)
+      return;
+
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+      pipe_texture_reference(&drawable->textures[i], NULL);
+
+   memset(&templ, 0, sizeof(templ));
+   templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
+   templ.target = PIPE_TEXTURE_2D;
+   templ.last_level = 0;
+   templ.width0 = dri_drawable->w;
+   templ.height0 = dri_drawable->h;
+   templ.depth0 = 1;
+
+   memset(&whandle, 0, sizeof(whandle));
+
+   for (i = 0; i < count; i++) {
+      __DRIbuffer *buf = &buffers[i];
+      enum st_attachment_type statt;
+      enum pipe_format format;
+
+      switch (buf->attachment) {
+      case __DRI_BUFFER_FRONT_LEFT:
+	 if (!screen->auto_fake_front) {
+            statt = ST_ATTACHMENT_INVALID;
+            break;
+         }
+	 /* fallthrough */
+      case __DRI_BUFFER_FAKE_FRONT_LEFT:
+         statt = ST_ATTACHMENT_FRONT_LEFT;
+	 break;
+      case __DRI_BUFFER_BACK_LEFT:
+         statt = ST_ATTACHMENT_BACK_LEFT;
+	 break;
+      case __DRI_BUFFER_DEPTH:
+      case __DRI_BUFFER_DEPTH_STENCIL:
+      case __DRI_BUFFER_STENCIL:
+         statt = ST_ATTACHMENT_DEPTH_STENCIL;
+         /* use only the first depth/stencil buffer */
+         if (have_depth)
+            statt = ST_ATTACHMENT_INVALID;
+         else
+            have_depth = TRUE;
+	 break;
+      default:
+         statt = ST_ATTACHMENT_INVALID;
+         break;
+      }
+
+      format = dri_drawable_get_format(drawable, statt);
+      if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE)
+         continue;
+
+      templ.format = format;
+      whandle.handle = buf->name;
+      whandle.stride = buf->pitch;
+   
+      drawable->textures[statt] =
+         screen->pipe_screen->texture_from_handle(screen->pipe_screen,
+               &templ, &whandle);
+   }
+
+   drawable->old_num = count;
+   drawable->old_w = dri_drawable->w;
+   drawable->old_h = dri_drawable->h;
+   memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count);
+}
+
+/**
+ * Retrieve __DRIbuffer from the DRI loader.
+ */
+static __DRIbuffer *
+dri_drawable_get_buffers(struct dri_drawable *drawable,
+                         const enum st_attachment_type *statts,
+                         unsigned *count)
+{
+   __DRIdrawable *dri_drawable = drawable->dPriv;
+   struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
+   boolean with_format;
+   __DRIbuffer *buffers;
+   int num_buffers;
+   unsigned attachments[8];
+   unsigned num_attachments, i;
+
+   assert(loader);
+   with_format = (loader->base.version > 2 && loader->getBuffersWithFormat);
+
+   num_attachments = 0;
+   for (i = 0; i < *count; i++) {
+      enum pipe_format format;
+      int att;
+
+      format = dri_drawable_get_format(drawable, statts[i]);
+      if (format == PIPE_FORMAT_NONE)
+         continue;
+
+      switch (statts[i]) {
+      case ST_ATTACHMENT_FRONT_LEFT:
+         att = __DRI_BUFFER_FRONT_LEFT;
+         break;
+      case ST_ATTACHMENT_BACK_LEFT:
+         att = __DRI_BUFFER_BACK_LEFT;
+         break;
+      case ST_ATTACHMENT_FRONT_RIGHT:
+         att = __DRI_BUFFER_FRONT_RIGHT;
+         break;
+      case ST_ATTACHMENT_BACK_RIGHT:
+         att = __DRI_BUFFER_BACK_RIGHT;
+         break;
+      case ST_ATTACHMENT_DEPTH_STENCIL:
+         att = __DRI_BUFFER_DEPTH_STENCIL;
+         break;
+      default:
+         att = -1;
+         break;
+      }
+
+      if (att >= 0) {
+         attachments[num_attachments++] = att;
+         if (with_format) {
+            attachments[num_attachments++] =
+               util_format_get_blocksizebits(format);
+         }
+      }
+   }
+
+   if (with_format) {
+      num_attachments /= 2;
+      buffers = loader->getBuffersWithFormat(dri_drawable,
+            &dri_drawable->w, &dri_drawable->h,
+            attachments, num_attachments,
+            &num_buffers, dri_drawable->loaderPrivate);
+   }
+   else {
+      buffers = loader->getBuffers(dri_drawable,
+            &dri_drawable->w, &dri_drawable->h,
+            attachments, num_attachments,
+            &num_buffers, dri_drawable->loaderPrivate);
+   }
+
+   if (buffers) {
+      /* set one cliprect to cover the whole dri_drawable */
+      dri_drawable->x = 0;
+      dri_drawable->y = 0;
+      dri_drawable->backX = 0;
+      dri_drawable->backY = 0;
+      dri_drawable->numClipRects = 1;
+      dri_drawable->pClipRects[0].x1 = 0;
+      dri_drawable->pClipRects[0].y1 = 0;
+      dri_drawable->pClipRects[0].x2 = dri_drawable->w;
+      dri_drawable->pClipRects[0].y2 = dri_drawable->h;
+      dri_drawable->numBackClipRects = 1;
+      dri_drawable->pBackClipRects[0].x1 = 0;
+      dri_drawable->pBackClipRects[0].y1 = 0;
+      dri_drawable->pBackClipRects[0].x2 = dri_drawable->w;
+      dri_drawable->pBackClipRects[0].y2 = dri_drawable->h;
+
+      *count = num_buffers;
+   }
+
+   return buffers;
+}
+
+static boolean 
+dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
+                            const enum st_attachment_type *statts,
+                            unsigned count,
+                            struct pipe_texture **out)
+{
+   struct dri_drawable *drawable =
+      (struct dri_drawable *) stfbi->st_manager_private;
+   unsigned statt_mask, i;
+
+   statt_mask = 0x0;
+   for (i = 0; i < count; i++)
+      statt_mask |= (1 << statts[i]);
+
+   /*
+    * dPriv->pStamp is the server stamp.  It should be accessed with a lock, at
+    * least for DRI1.  dPriv->lastStamp is the client stamp.  It has the value
+    * of the server stamp when last checked.
+    *
+    * This function updates the textures and records the stamp of the textures.
+    */
+   if (drawable->texture_stamp != drawable->dPriv->lastStamp ||
+       (statt_mask & ~drawable->texture_mask)) {
+      if (__dri1_api_hooks) {
+         dri1_allocate_textures(drawable,
+               drawable->dPriv->w, drawable->dPriv->h, statt_mask);
+      }
+      else {
+         __DRIbuffer *buffers;
+         unsigned num_buffers = count;
+
+         buffers = dri_drawable_get_buffers(drawable, statts, &num_buffers);
+         dri_drawable_process_buffers(drawable, buffers, num_buffers);
+      }
+
+      drawable->texture_stamp = drawable->dPriv->lastStamp;
+      drawable->texture_mask = statt_mask;
+   }
+
+   if (!out)
+      return TRUE;
+
+   for (i = 0; i < count; i++) {
+      out[i] = NULL;
+      pipe_texture_reference(&out[i], drawable->textures[statts[i]]);
+   }
+
+   return TRUE;
+}
+
+static boolean
+dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
+                               enum st_attachment_type statt)
+{
+   struct dri_drawable *drawable =
+      (struct dri_drawable *) stfbi->st_manager_private;
+   struct __DRIdri2LoaderExtensionRec *loader =
+      drawable->sPriv->dri2.loader;
+
+   if (__dri1_api_hooks) {
+      struct pipe_texture *ptex = drawable->textures[statt];
+      if (ptex)
+         dri1_flush_frontbuffer(drawable, ptex);
+      return TRUE;
+   }
+
+   if (statt == ST_ATTACHMENT_FRONT_LEFT && loader->flushFrontBuffer) {
+      loader->flushFrontBuffer(drawable->dPriv,
+            drawable->dPriv->loaderPrivate);
+   }
+
+   return TRUE;
+}
+
+/**
+ * Create a framebuffer from the given drawable.
+ */
+struct st_framebuffer_iface *
+dri_create_st_framebuffer(struct dri_drawable *drawable)
+{
+   struct st_framebuffer_iface *stfbi;
+
+   stfbi = CALLOC_STRUCT(st_framebuffer_iface);
+   if (stfbi) {
+      stfbi->visual = &drawable->stvis;
+      stfbi->flush_front = dri_st_framebuffer_flush_front;
+      stfbi->validate = dri_st_framebuffer_validate;
+      stfbi->st_manager_private = (void *) drawable;
+   }
+
+   return stfbi;
+}
+
+/**
+ * Destroy a framebuffer.
+ */
+void
+dri_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi)
+{
+   FREE(stfbi);
+}
+
+/**
+ * Return the texture at an attachment.  Allocate the texture if it does not
+ * exist.
+ */
+struct pipe_texture *
+dri_get_st_framebuffer_texture(struct st_framebuffer_iface *stfbi,
+                               enum st_attachment_type statt)
+{
+   struct dri_drawable *drawable =
+      (struct dri_drawable *) stfbi->st_manager_private;
+   
+   if (!(drawable->texture_mask & (1 << statt))) {
+      enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
+      unsigned i, count = 0;
+
+      /* make sure DRI2 does not destroy existing buffers */
+      for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+         if (drawable->texture_mask & (1 << i)) {
+            statts[count++] = i;
+         }
+      }
+      statts[count++] = statt;
+
+      drawable->texture_stamp = drawable->dPriv->lastStamp - 1;
+      dri_st_framebuffer_validate(stfbi, statts, count, NULL);
+   }
+
+   return drawable->textures[statt];
+}
+
+/**
+ * Add a reference to the st_api of the state tracker.
+ */
+static void
+_dri_get_st_api(void)
+{
+   p_atomic_inc(&dri_st_api.refcnt);
+   if (p_atomic_read(&dri_st_api.refcnt) == 1)
+      dri_st_api.stapi = st_manager_create_api();
+}
+
+/**
+ * Remove a reference to the st_api of the state tracker.
+ */
+static void
+_dri_put_st_api(void)
+{
+   struct st_api *stapi = dri_st_api.stapi;
+
+   if (p_atomic_dec_zero(&dri_st_api.refcnt)) {
+      stapi->destroy(dri_st_api.stapi);
+      dri_st_api.stapi = NULL;
+   }
+}
+
+/**
+ * Create a state tracker manager from the given screen.
+ */
+struct st_manager *
+dri_create_st_manager(struct dri_screen *screen)
+{
+   struct st_manager *smapi;
+
+   smapi = CALLOC_STRUCT(st_manager);
+   if (smapi) {
+      smapi->screen = screen->pipe_screen;
+      _dri_get_st_api();
+   }
+
+   return smapi;
+}
+
+/**
+ * Destroy a state tracker manager.
+ */
+void
+dri_destroy_st_manager(struct st_manager *smapi)
+{
+   _dri_put_st_api();
+   FREE(smapi);
+}
+
+/**
+ * Return the st_api of OpenGL state tracker.
+ */
+struct st_api *
+dri_get_st_api(void)
+{
+   assert(dri_st_api.stapi);
+   return dri_st_api.stapi;
+}
diff --git a/src/gallium/state_trackers/dri/dri_st_api.h b/src/gallium/state_trackers/dri/dri_st_api.h
new file mode 100644
index 0000000000..7cf522e469
--- /dev/null
+++ b/src/gallium/state_trackers/dri/dri_st_api.h
@@ -0,0 +1,55 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#ifndef _DRI_ST_API_H_
+#define _DRI_ST_API_H_
+
+#include "state_tracker/st_api.h"
+
+struct dri_screen;
+struct dri_drawable;
+
+struct st_api *
+dri_get_st_api(void);
+
+struct st_manager *
+dri_create_st_manager(struct dri_screen *screen);
+
+void
+dri_destroy_st_manager(struct st_manager *smapi);
+
+struct st_framebuffer_iface *
+dri_create_st_framebuffer(struct dri_drawable *drawable);
+
+void
+dri_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi);
+
+struct pipe_texture *
+dri_get_st_framebuffer_texture(struct st_framebuffer_iface *stfbi,
+                               enum st_attachment_type statt);
+
+#endif /* _DRI_ST_API_H_ */