i965g: driver and winsys compile

A milestone of sorts.  Still a long way from something working --
the old one compiled too, at least some of the time...

7 files changed, 262 insertions, 511 deletions

diff --git a/src/gallium/winsys/drm/i965/gem/Makefile b/src/gallium/winsys/drm/i965/gem/Makefile
index 74d81b4bc8..6a7497b6be 100644
--- a/src/gallium/winsys/drm/i965/gem/Makefile
+++ b/src/gallium/winsys/drm/i965/gem/Makefile
@@ -1,12 +1,10 @@
 TOP = ../../../../../..
 include $(TOP)/configs/current
 
-LIBNAME = inteldrm
+LIBNAME = i965drm
 
 C_SOURCES = \
-	i965_drm_batchbuffer.c \
 	i965_drm_buffer.c \
-	i965_drm_fence.c \
 	i965_drm_api.c
 
 LIBRARY_INCLUDES = $(shell pkg-config libdrm --cflags-only-I)
diff --git a/src/gallium/winsys/drm/i965/gem/SConscript b/src/gallium/winsys/drm/i965/gem/SConscript
index 9f1391caff..6256ec6eaf 100644
--- a/src/gallium/winsys/drm/i965/gem/SConscript
+++ b/src/gallium/winsys/drm/i965/gem/SConscript
@@ -4,9 +4,7 @@ env = drienv.Clone()
 
 i965drm_sources = [
     'i965_drm_api.c',
-    'i965_drm_batchbuffer.c',
     'i965_drm_buffer.c',
-    'i965_drm_fence.c',
 ]
 
 i965drm = env.ConvenienceLibrary(
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c
index de68cb3551..8b9c777a6f 100644
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c
+++ b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c
@@ -1,11 +1,12 @@
 
+#include <stdio.h>
 #include "state_tracker/drm_api.h"
 
 #include "i965_drm_winsys.h"
 #include "util/u_memory.h"
 
-#include "brw/brw_context.h"	/* XXX: shouldn't be doing this */
-#include "brw/brw_screen.h"	/* XXX: shouldn't be doing this */
+#include "i965/brw_context.h"	/* XXX: shouldn't be doing this */
+#include "i965/brw_screen.h"	/* XXX: shouldn't be doing this */
 
 #include "trace/tr_drm.h"
 
@@ -15,7 +16,7 @@
 
 
 static void
-i965_drm_get_device_id(unsigned int *device_id)
+i965_libdrm_get_device_id(unsigned int *device_id)
 {
    char path[512];
    FILE *file;
@@ -36,29 +37,28 @@ i965_drm_get_device_id(unsigned int *device_id)
    fclose(file);
 }
 
-static struct i965_buffer *
-i965_drm_buffer_from_handle(struct i965_drm_winsys *idws,
+static struct i965_libdrm_buffer *
+i965_libdrm_buffer_from_handle(struct i965_libdrm_winsys *idws,
                              const char* name, unsigned handle)
 {
-   struct i965_drm_buffer *buf = CALLOC_STRUCT(i965_drm_buffer);
+   struct i965_libdrm_buffer *buf = CALLOC_STRUCT(i965_libdrm_buffer);
    uint32_t tile = 0, swizzle = 0;
 
    if (!buf)
       return NULL;
 
-   buf->magic = 0xDEAD1337;
-   buf->bo = drm_i965_bo_gem_create_from_name(idws->pools.gem, name, handle);
+   buf->bo = drm_intel_bo_gem_create_from_name(idws->gem, name, handle);
    buf->flinked = TRUE;
    buf->flink = handle;
 
    if (!buf->bo)
       goto err;
 
-   drm_i965_bo_get_tiling(buf->bo, &tile, &swizzle);
-   if (tile != I965_TILE_NONE)
+   drm_intel_bo_get_tiling(buf->bo, &tile, &swizzle);
+   if (tile != 0)
       buf->map_gtt = TRUE;
 
-   return (struct i965_buffer *)buf;
+   return buf;
 
 err:
    FREE(buf);
@@ -72,38 +72,43 @@ err:
 
 
 static struct pipe_texture *
-i965_drm_texture_from_shared_handle(struct drm_api *api,
+i965_libdrm_texture_from_shared_handle(struct drm_api *api,
                                      struct pipe_screen *screen,
-                                     struct pipe_texture *templ,
+                                     struct pipe_texture *template,
                                      const char* name,
                                      unsigned pitch,
                                      unsigned handle)
 {
-   struct i965_drm_winsys *idws = i965_drm_winsys(i965_screen(screen)->iws);
-   struct i965_buffer *buffer;
+   /* XXX: this is silly -- there should be a way to get directly from
+    * the "drm_api" struct to ourselves, without peering into
+    * unrelated code:
+    */
+   struct i965_libdrm_winsys *idws = i965_libdrm_winsys(brw_screen(screen)->sws);
+   struct i965_libdrm_buffer *buffer;
 
-   buffer = i965_drm_buffer_from_handle(idws, name, handle);
+   buffer = i965_libdrm_buffer_from_handle(idws, name, handle);
    if (!buffer)
       return NULL;
 
-   return i965_texture_blanket_i965(screen, templ, pitch, buffer);
+   return brw_texture_blanket_winsys_buffer(screen, template, pitch, &buffer->base);
 }
 
+
 static boolean
-i965_drm_shared_handle_from_texture(struct drm_api *api,
+i965_libdrm_shared_handle_from_texture(struct drm_api *api,
                                      struct pipe_screen *screen,
                                      struct pipe_texture *texture,
                                      unsigned *pitch,
                                      unsigned *handle)
 {
-   struct i965_drm_buffer *buf = NULL;
-   struct i965_buffer *buffer = NULL;
-   if (!i965_get_texture_buffer_i965(texture, &buffer, pitch))
+   struct i965_libdrm_buffer *buf = NULL;
+   struct brw_winsys_buffer *buffer = NULL;
+   if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch))
       return FALSE;
 
-   buf = i965_drm_buffer(buffer);
+   buf = i965_libdrm_buffer(buffer);
    if (!buf->flinked) {
-      if (drm_i965_bo_flink(buf->bo, &buf->flink))
+      if (drm_intel_bo_flink(buf->bo, &buf->flink))
          return FALSE;
       buf->flinked = TRUE;
    }
@@ -114,36 +119,36 @@ i965_drm_shared_handle_from_texture(struct drm_api *api,
 }
 
 static boolean
-i965_drm_local_handle_from_texture(struct drm_api *api,
+i965_libdrm_local_handle_from_texture(struct drm_api *api,
                                     struct pipe_screen *screen,
                                     struct pipe_texture *texture,
                                     unsigned *pitch,
                                     unsigned *handle)
 {
-   struct i965_buffer *buffer = NULL;
-   if (!i965_get_texture_buffer_i965(texture, &buffer, pitch))
+   struct brw_winsys_buffer *buffer = NULL;
+   if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch))
       return FALSE;
 
-   *handle = i965_drm_buffer(buffer)->bo->handle;
+   *handle = i965_libdrm_buffer(buffer)->bo->handle;
 
    return TRUE;
 }
 
 static void
-i965_drm_winsys_destroy(struct i965_winsys *iws)
+i965_libdrm_winsys_destroy(struct brw_winsys_screen *iws)
 {
-   struct i965_drm_winsys *idws = i965_drm_winsys(iws);
+   struct i965_libdrm_winsys *idws = i965_libdrm_winsys(iws);
 
-   drm_i965_bufmgr_destroy(idws->pools.gem);
+   drm_intel_bufmgr_destroy(idws->gem);
 
    FREE(idws);
 }
 
 static struct pipe_screen *
-i965_drm_create_screen(struct drm_api *api, int drmFD,
+i965_libdrm_create_screen(struct drm_api *api, int drmFD,
 		      struct drm_create_screen_arg *arg)
 {
-   struct i965_drm_winsys *idws;
+   struct i965_libdrm_winsys *idws;
    unsigned int deviceID;
 
    if (arg != NULL) {
@@ -155,35 +160,31 @@ i965_drm_create_screen(struct drm_api *api, int drmFD,
       }
    }
 
-   idws = CALLOC_STRUCT(i965_drm_winsys);
+   idws = CALLOC_STRUCT(i965_libdrm_winsys);
    if (!idws)
       return NULL;
 
-   i965_drm_get_device_id(&deviceID);
+   i965_libdrm_get_device_id(&deviceID);
 
-   i965_drm_winsys_init_batchbuffer_functions(idws);
-   i965_drm_winsys_init_buffer_functions(idws);
-   i965_drm_winsys_init_fence_functions(idws);
+   i965_libdrm_winsys_init_buffer_functions(idws);
 
    idws->fd = drmFD;
    idws->id = deviceID;
-   idws->max_batch_size = 16 * 4096;
 
-   idws->base.destroy = i965_drm_winsys_destroy;
+   idws->base.destroy = i965_libdrm_winsys_destroy;
 
-   idws->pools.gem = drm_i965_bufmgr_gem_init(idws->fd, idws->max_batch_size);
-   drm_i965_bufmgr_gem_enable_reuse(idws->pools.gem);
+   idws->gem = drm_intel_bufmgr_gem_init(idws->fd, BRW_BATCH_SIZE);
+   drm_intel_bufmgr_gem_enable_reuse(idws->gem);
 
-   idws->softpipe = FALSE;
    idws->dump_cmd = debug_get_bool_option("I965_DUMP_CMD", FALSE);
 
-   return i965_create_screen(&idws->base, deviceID);
+   return brw_create_screen(&idws->base, deviceID);
 }
 
 static struct pipe_context *
-i965_drm_create_context(struct drm_api *api, struct pipe_screen *screen)
+i965_libdrm_create_context(struct drm_api *api, struct pipe_screen *screen)
 {
-   return i965_create_context(screen);
+   return brw_create_context(screen);
 }
 
 static void
@@ -192,18 +193,18 @@ destroy(struct drm_api *api)
 
 }
 
-struct drm_api i965_drm_api =
+struct drm_api i965_libdrm_api =
 {
-   .create_context = i965_drm_create_context,
-   .create_screen = i965_drm_create_screen,
-   .texture_from_shared_handle = i965_drm_texture_from_shared_handle,
-   .shared_handle_from_texture = i965_drm_shared_handle_from_texture,
-   .local_handle_from_texture = i965_drm_local_handle_from_texture,
+   .create_context = i965_libdrm_create_context,
+   .create_screen = i965_libdrm_create_screen,
+   .texture_from_shared_handle = i965_libdrm_texture_from_shared_handle,
+   .shared_handle_from_texture = i965_libdrm_shared_handle_from_texture,
+   .local_handle_from_texture = i965_libdrm_local_handle_from_texture,
    .destroy = destroy,
 };
 
 struct drm_api *
 drm_api_create()
 {
-   return trace_drm_create(&i965_drm_api);
+   return trace_drm_create(&i965_libdrm_api);
 }
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_batchbuffer.c b/src/gallium/winsys/drm/i965/gem/i965_drm_batchbuffer.c
deleted file mode 100644
index 5b4dafc8e4..0000000000
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_batchbuffer.c
+++ /dev/null
@@ -1,244 +0,0 @@
-
-#include "intel_drm_winsys.h"
-#include "util/u_memory.h"
-
-#include "i915_drm.h"
-
-#define BATCH_RESERVED 16
-
-#define INTEL_DEFAULT_RELOCS 100
-#define INTEL_MAX_RELOCS 400
-
-#define INTEL_BATCH_NO_CLIPRECTS 0x1
-#define INTEL_BATCH_CLIPRECTS    0x2
-
-#undef INTEL_RUN_SYNC
-#undef INTEL_MAP_BATCHBUFFER
-#undef INTEL_MAP_GTT
-#define INTEL_ALWAYS_FLUSH
-
-struct intel_drm_batchbuffer
-{
-   struct intel_batchbuffer base;
-
-   size_t actual_size;
-
-   drm_intel_bo *bo;
-};
-
-static INLINE struct intel_drm_batchbuffer *
-intel_drm_batchbuffer(struct intel_batchbuffer *batch)
-{
-   return (struct intel_drm_batchbuffer *)batch;
-}
-
-static void
-intel_drm_batchbuffer_reset(struct intel_drm_batchbuffer *batch)
-{
-   struct intel_drm_winsys *idws = intel_drm_winsys(batch->base.iws);
-   int ret;
-
-   if (batch->bo)
-      drm_intel_bo_unreference(batch->bo);
-   batch->bo = drm_intel_bo_alloc(idws->pools.gem,
-                                  "gallium3d_batchbuffer",
-                                  batch->actual_size,
-                                  4096);
-
-#ifdef INTEL_MAP_BATCHBUFFER
-#ifdef INTEL_MAP_GTT
-   ret = drm_intel_gem_bo_map_gtt(batch->bo);
-#else
-   ret = drm_intel_bo_map(batch->bo, TRUE);
-#endif
-   assert(ret == 0);
-   batch->base.map = batch->bo->virtual;
-#else
-   (void)ret;
-#endif
-
-   memset(batch->base.map, 0, batch->actual_size);
-   batch->base.ptr = batch->base.map;
-   batch->base.size = batch->actual_size - BATCH_RESERVED;
-   batch->base.relocs = 0;
-}
-
-static struct intel_batchbuffer *
-intel_drm_batchbuffer_create(struct intel_winsys *iws)
-{
-   struct intel_drm_winsys *idws = intel_drm_winsys(iws);
-   struct intel_drm_batchbuffer *batch = CALLOC_STRUCT(intel_drm_batchbuffer);
-
-   batch->actual_size = idws->max_batch_size;
-
-#ifdef INTEL_MAP_BATCHBUFFER
-   batch->base.map = NULL;
-#else
-   batch->base.map = MALLOC(batch->actual_size);
-#endif
-   batch->base.ptr = NULL;
-   batch->base.size = 0;
-
-   batch->base.relocs = 0;
-   batch->base.max_relocs = 300;/*INTEL_DEFAULT_RELOCS;*/
-
-   batch->base.iws = iws;
-
-   intel_drm_batchbuffer_reset(batch);
-
-   return &batch->base;
-}
-
-static int
-intel_drm_batchbuffer_reloc(struct intel_batchbuffer *ibatch,
-                            struct intel_buffer *buffer,
-                            enum intel_buffer_usage usage,
-                            unsigned pre_add)
-{
-   struct intel_drm_batchbuffer *batch = intel_drm_batchbuffer(ibatch);
-   unsigned write_domain = 0;
-   unsigned read_domain = 0;
-   unsigned offset;
-   int ret = 0;
-
-   assert(batch->base.relocs < batch->base.max_relocs);
-
-   if (usage == INTEL_USAGE_SAMPLER) {
-      write_domain = 0;
-      read_domain = I915_GEM_DOMAIN_SAMPLER;
-
-   } else if (usage == INTEL_USAGE_RENDER) {
-      write_domain = I915_GEM_DOMAIN_RENDER;
-      read_domain = I915_GEM_DOMAIN_RENDER;
-
-   } else if (usage == INTEL_USAGE_2D_TARGET) {
-      write_domain = I915_GEM_DOMAIN_RENDER;
-      read_domain = I915_GEM_DOMAIN_RENDER;
-
-   } else if (usage == INTEL_USAGE_2D_SOURCE) {
-      write_domain = 0;
-      read_domain = I915_GEM_DOMAIN_RENDER;
-
-   } else if (usage == INTEL_USAGE_VERTEX) {
-      write_domain = 0;
-      read_domain = I915_GEM_DOMAIN_VERTEX;
-
-   } else {
-      assert(0);
-      return -1;
-   }
-
-   offset = (unsigned)(batch->base.ptr - batch->base.map);
-
-   ret = drm_intel_bo_emit_reloc(batch->bo, offset,
-                                 intel_bo(buffer), pre_add,
-                                 read_domain,
-                                 write_domain);
-
-   ((uint32_t*)batch->base.ptr)[0] = intel_bo(buffer)->offset + pre_add;
-   batch->base.ptr += 4;
-
-   if (!ret)
-      batch->base.relocs++;
-
-   return ret;
-}
-
-static void
-intel_drm_batchbuffer_flush(struct intel_batchbuffer *ibatch,
-                            struct pipe_fence_handle **fence)
-{
-   struct intel_drm_batchbuffer *batch = intel_drm_batchbuffer(ibatch);
-   unsigned used = 0;
-   int ret = 0;
-   int i;
-
-   assert(intel_batchbuffer_space(ibatch) >= 0);
-
-   used = batch->base.ptr - batch->base.map;
-   assert((used & 3) == 0);
-
-
-#ifdef INTEL_ALWAYS_FLUSH
-   /* MI_FLUSH | FLUSH_MAP_CACHE */
-   intel_batchbuffer_dword(ibatch, (0x4<<23)|(1<<0));
-   used += 4;
-#endif
-
-   if ((used & 4) == 0) {
-      /* MI_NOOP */
-      intel_batchbuffer_dword(ibatch, 0);
-   }
-   /* MI_BATCH_BUFFER_END */
-   intel_batchbuffer_dword(ibatch, (0xA<<23));
-
-   used = batch->base.ptr - batch->base.map;
-   assert((used & 4) == 0);
-
-#ifdef INTEL_MAP_BATCHBUFFER
-#ifdef INTEL_MAP_GTT
-   drm_intel_gem_bo_unmap_gtt(batch->bo);
-#else
-   drm_intel_bo_unmap(batch->bo);
-#endif
-#else
-   drm_intel_bo_subdata(batch->bo, 0, used, batch->base.map);
-#endif
-
-   /* Do the sending to HW */
-   ret = drm_intel_bo_exec(batch->bo, used, NULL, 0, 0);
-   assert(ret == 0);
-
-   if (intel_drm_winsys(ibatch->iws)->dump_cmd) {
-      unsigned *ptr;
-      drm_intel_bo_map(batch->bo, FALSE);
-      ptr = (unsigned*)batch->bo->virtual;
-
-      debug_printf("%s:\n", __func__);
-      for (i = 0; i < used / 4; i++, ptr++) {
-         debug_printf("\t%08x:    %08x\n", i*4, *ptr);
-      }
-
-      drm_intel_bo_unmap(batch->bo);
-   } else {
-#ifdef INTEL_RUN_SYNC
-      drm_intel_bo_map(batch->bo, FALSE);
-      drm_intel_bo_unmap(batch->bo);
-#endif
-   }
-
-   if (fence) {
-      ibatch->iws->fence_reference(ibatch->iws, fence, NULL);
-
-#ifdef INTEL_RUN_SYNC
-      /* we run synced to GPU so just pass null */
-      (*fence) = intel_drm_fence_create(NULL);
-#else
-      (*fence) = intel_drm_fence_create(batch->bo);
-#endif
-   }
-
-   intel_drm_batchbuffer_reset(batch);
-}
-
-static void
-intel_drm_batchbuffer_destroy(struct intel_batchbuffer *ibatch)
-{
-   struct intel_drm_batchbuffer *batch = intel_drm_batchbuffer(ibatch);
-
-   if (batch->bo)
-      drm_intel_bo_unreference(batch->bo);
-
-#ifndef INTEL_MAP_BATCHBUFFER
-   FREE(batch->base.map);
-#endif
-   FREE(batch);
-}
-
-void intel_drm_winsys_init_batchbuffer_functions(struct intel_drm_winsys *idws)
-{
-   idws->base.batchbuffer_create = intel_drm_batchbuffer_create;
-   idws->base.batchbuffer_reloc = intel_drm_batchbuffer_reloc;
-   idws->base.batchbuffer_flush = intel_drm_batchbuffer_flush;
-   idws->base.batchbuffer_destroy = intel_drm_batchbuffer_destroy;
-}
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
index 4f123bae05..5dbfd2e6b0 100644
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
+++ b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
@@ -3,48 +3,58 @@
 #include "util/u_memory.h"
 
 #include "i915_drm.h"
-
-static struct intel_buffer *
-intel_drm_buffer_create(struct intel_winsys *iws,
-                        unsigned size, unsigned alignment,
-                        enum intel_buffer_type type)
+#include "intel_bufmgr.h"
+
+const char *names[BRW_BUFFER_TYPE_MAX] = {
+   "texture",
+   "scanout",
+   "vertex",
+   "curbe",
+   "query",
+   "shader_constants",
+   "wm_scratch",
+   "batch",
+   "state_cache",
+};
+
+static struct brw_winsys_buffer *
+i965_libdrm_bo_alloc( struct brw_winsys_screen *sws,
+		      enum brw_buffer_type type,
+		      unsigned size,
+		      unsigned alignment )
 {
-   struct intel_drm_buffer *buf = CALLOC_STRUCT(intel_drm_buffer);
-   struct intel_drm_winsys *idws = intel_drm_winsys(iws);
-   drm_intel_bufmgr *pool;
-   char *name;
+   struct i965_libdrm_winsys *idws = i965_libdrm_winsys(sws);
+   struct i965_libdrm_buffer *buf;
 
+   buf = CALLOC_STRUCT(i965_libdrm_buffer);
    if (!buf)
       return NULL;
 
-   buf->magic = 0xDEAD1337;
-   buf->flinked = FALSE;
-   buf->flink = 0;
-   buf->map_gtt = FALSE;
-
-   if (type == INTEL_NEW_TEXTURE) {
-      name = "gallium3d_texture";
-      pool = idws->pools.gem;
-   } else if (type == INTEL_NEW_VERTEX) {
-      name = "gallium3d_vertex";
-      pool = idws->pools.gem;
+   switch (type) {
+   case BRW_BUFFER_TYPE_TEXTURE:
+      break;
+   case BRW_BUFFER_TYPE_VERTEX:
       buf->map_gtt = TRUE;
-   } else if (type == INTEL_NEW_SCANOUT) {
-      name = "gallium3d_scanout";
-      pool = idws->pools.gem;
+      break;
+   case BRW_BUFFER_TYPE_SCANOUT:
       buf->map_gtt = TRUE;
-   } else {
-      assert(0);
-      name = "gallium3d_unknown";
-      pool = idws->pools.gem;
+      break;
+   default:
+      break;
    }
 
-   buf->bo = drm_intel_bo_alloc(pool, name, size, alignment);
+   buf->bo = drm_intel_bo_alloc(idws->gem, 
+				names[type], 
+				size, 
+				alignment);
 
    if (!buf->bo)
       goto err;
 
-   return (struct intel_buffer *)buf;
+   buf->base.offset = &buf->bo->offset;
+   buf->base.size = size;
+
+   return &buf->base;
 
 err:
    assert(0);
@@ -52,103 +62,186 @@ err:
    return NULL;
 }
 
-static int
-intel_drm_buffer_set_fence_reg(struct intel_winsys *iws,
-                               struct intel_buffer *buffer,
-                               unsigned stride,
-                               enum intel_buffer_tile tile)
+
+
+
+/* Reference and unreference buffers:
+ */
+static void 
+i965_libdrm_bo_reference( struct brw_winsys_buffer *buffer )
 {
-   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
-   assert(I915_TILING_NONE == INTEL_TILE_NONE);
-   assert(I915_TILING_X == INTEL_TILE_X);
-   assert(I915_TILING_Y == INTEL_TILE_Y);
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
 
-   if (tile != INTEL_TILE_NONE) {
-      assert(buf->map_count == 0);
-      buf->map_gtt = TRUE;
-   }
+   /* I think we have to refcount ourselves and then just pass through
+    * the final dereference to the bo on destruction.
+    */
+   buf->cheesy_refcount++;
+}
 
-   return drm_intel_bo_set_tiling(buf->bo, &tile, stride);
+static void 
+i965_libdrm_bo_unreference( struct brw_winsys_buffer *buffer )
+{
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
+
+   if (--buf->cheesy_refcount == 0) {
+      drm_intel_bo_unreference(buf->bo);
+      FREE(buffer);
+   }
 }
 
-static void *
-intel_drm_buffer_map(struct intel_winsys *iws,
-                     struct intel_buffer *buffer,
-                     boolean write)
+   /* XXX: parameter names!!
+    */
+static int 
+i965_libdrm_bo_emit_reloc( struct brw_winsys_buffer *buffer,
+			   unsigned domain,
+			   unsigned a,
+			   unsigned b,
+			   unsigned offset,
+			   struct brw_winsys_buffer *buffer2)
 {
-   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
-   drm_intel_bo *bo = intel_bo(buffer);
-   int ret = 0;
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
+   struct i965_libdrm_buffer *buf2 = i965_libdrm_buffer(buffer2);
+   int ret;
 
-   assert(bo);
+   ret = dri_bo_emit_reloc( buf->bo, domain, a, b, offset, buf2->bo );
+   if (ret)
+      return -1;
 
-   if (buf->map_count)
-      goto out;
+   return 0;
+}
 
-   if (buf->map_gtt)
-      ret = drm_intel_gem_bo_map_gtt(bo);
-   else
-      ret = drm_intel_bo_map(bo, write);
+static int 
+i965_libdrm_bo_exec( struct brw_winsys_buffer *buffer,
+		     unsigned bytes_used )
+{
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
+   int ret;
 
-   buf->ptr = bo->virtual;
+   ret = dri_bo_exec(buf->bo, bytes_used, NULL, 0, 0);
+   if (ret)
+      return -1;
+
+   return 0;
+}
+
+static int
+i965_libdrm_bo_subdata(struct brw_winsys_buffer *buffer,
+		       size_t offset,
+		       size_t size,
+		       const void *data)
+{
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
+   int ret;
 
-   assert(ret == 0);
-out:
+   /* XXX: use bo_map_gtt/memcpy/unmap_gtt under some circumstances???
+    */
+   ret = drm_intel_bo_subdata(buf->bo, offset, size, (void*)data);
    if (ret)
-      return NULL;
+      return -1;
+   
+   return 0;
+}
 
-   buf->map_count++;
-   return buf->ptr;
+
+static boolean 
+i965_libdrm_bo_is_busy(struct brw_winsys_buffer *buffer)
+{
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
+
+   return drm_intel_bo_busy(buf->bo);
 }
 
-static void
-intel_drm_buffer_unmap(struct intel_winsys *iws,
-                       struct intel_buffer *buffer)
+static boolean 
+i965_libdrm_bo_references(struct brw_winsys_buffer *a,
+			  struct brw_winsys_buffer *b)
 {
-   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
+   struct i965_libdrm_buffer *bufa = i965_libdrm_buffer(a);
+   struct i965_libdrm_buffer *bufb = i965_libdrm_buffer(b);
 
-   if (--buf->map_count)
-      return;
+   /* XXX: can't find this func:
+    */
+   return drm_intel_bo_references(bufa->bo, bufb->bo);
+}
 
-   if (buf->map_gtt)
-      drm_intel_gem_bo_unmap_gtt(intel_bo(buffer));
-   else
-      drm_intel_bo_unmap(intel_bo(buffer));
+/* XXX: couldn't this be handled by returning true/false on
+ * bo_emit_reloc?
+ */
+static boolean 
+i965_libdrm_check_aperture_space( struct brw_winsys_screen *iws,
+				  struct brw_winsys_buffer **buffers,
+				  unsigned count )
+{
+   static drm_intel_bo *bos[128];
+   int i;
+
+   if (count > Elements(bos)) {
+      assert(0);
+      return FALSE;
+   }
+
+   for (i = 0; i < count; i++)
+      bos[i] = i965_libdrm_buffer(buffers[i])->bo;
+
+   return dri_bufmgr_check_aperture_space(bos, count);
 }
 
-static int
-intel_drm_buffer_write(struct intel_winsys *iws,
-                       struct intel_buffer *buffer,
-                       size_t offset,
-                       size_t size,
-                       const void *data)
+/**
+ * Map a buffer.
+ */
+static void *
+i965_libdrm_bo_map(struct brw_winsys_buffer *buffer,
+		   boolean write)
 {
-   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
+   int ret;
+
+   if (!buf->map_count) {
+      if (buf->map_gtt) {
+	 ret = drm_intel_gem_bo_map_gtt(buf->bo);
+	 if (ret)
+	    return NULL;
+      }
+      else {
+	 ret = drm_intel_bo_map(buf->bo, write);
+	 if (ret)
+	    return NULL;
+      }
+   }
 
-   return drm_intel_bo_subdata(buf->bo, offset, size, (void*)data);
+   buf->map_count++;
+   return buf->bo->virtual;
 }
 
-static void
-intel_drm_buffer_destroy(struct intel_winsys *iws,
-                         struct intel_buffer *buffer)
+/**
+ * Unmap a buffer.
+ */
+static void 
+i965_libdrm_bo_unmap(struct brw_winsys_buffer *buffer)
 {
-   drm_intel_bo_unreference(intel_bo(buffer));
+   struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
 
-#ifdef DEBUG
-   intel_drm_buffer(buffer)->magic = 0;
-   intel_drm_buffer(buffer)->bo = NULL;
-#endif
+   if (--buf->map_count > 0)
+      return;
 
-   FREE(buffer);
+   if (buf->map_gtt)
+      drm_intel_gem_bo_unmap_gtt(buf->bo);
+   else
+      drm_intel_bo_unmap(buf->bo);
 }
 
+
 void
-intel_drm_winsys_init_buffer_functions(struct intel_drm_winsys *idws)
+i965_libdrm_winsys_init_buffer_functions(struct i965_libdrm_winsys *idws)
 {
-   idws->base.buffer_create = intel_drm_buffer_create;
-   idws->base.buffer_set_fence_reg = intel_drm_buffer_set_fence_reg;
-   idws->base.buffer_map = intel_drm_buffer_map;
-   idws->base.buffer_unmap = intel_drm_buffer_unmap;
-   idws->base.buffer_write = intel_drm_buffer_write;
-   idws->base.buffer_destroy = intel_drm_buffer_destroy;
+   idws->base.bo_alloc             = i965_libdrm_bo_alloc;
+   idws->base.bo_reference         = i965_libdrm_bo_reference;
+   idws->base.bo_unreference       = i965_libdrm_bo_unreference;
+   idws->base.bo_emit_reloc        = i965_libdrm_bo_emit_reloc;
+   idws->base.bo_exec              = i965_libdrm_bo_exec;
+   idws->base.bo_subdata           = i965_libdrm_bo_subdata;
+   idws->base.bo_is_busy           = i965_libdrm_bo_is_busy;
+   idws->base.bo_references        = i965_libdrm_bo_references;
+   idws->base.check_aperture_space = i965_libdrm_check_aperture_space;
+   idws->base.bo_map               = i965_libdrm_bo_map;
+   idws->base.bo_unmap             = i965_libdrm_bo_unmap;
 }
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_fence.c b/src/gallium/winsys/drm/i965/gem/i965_drm_fence.c
deleted file mode 100644
index e70bfe7b44..0000000000
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_fence.c
+++ /dev/null
@@ -1,81 +0,0 @@
-
-#include "intel_drm_winsys.h"
-#include "util/u_memory.h"
-#include "pipe/p_refcnt.h"
-
-/**
- * Because gem does not have fence's we have to create our own fences.
- *
- * They work by keeping the batchbuffer around and checking if that has
- * been idled. If bo is NULL fence has expired.
- */
-struct intel_drm_fence
-{
-   struct pipe_reference reference;
-   drm_intel_bo *bo;
-};
-
-
-struct pipe_fence_handle *
-intel_drm_fence_create(drm_intel_bo *bo)
-{
-   struct intel_drm_fence *fence = CALLOC_STRUCT(intel_drm_fence);
-
-   pipe_reference_init(&fence->reference, 1);
-   /* bo is null if fence already expired */
-   if (bo) {
-      drm_intel_bo_reference(bo);
-      fence->bo = bo;
-   }
-
-   return (struct pipe_fence_handle *)fence;
-}
-
-static void
-intel_drm_fence_reference(struct intel_winsys *iws,
-                          struct pipe_fence_handle **ptr,
-                          struct pipe_fence_handle *fence)
-{
-   struct intel_drm_fence *old = (struct intel_drm_fence *)*ptr;
-   struct intel_drm_fence *f = (struct intel_drm_fence *)fence;
-
-   if (pipe_reference((struct pipe_reference**)ptr, &f->reference)) {
-      if (old->bo)
-         drm_intel_bo_unreference(old->bo);
-      FREE(old);
-   }
-}
-
-static int
-intel_drm_fence_signalled(struct intel_winsys *iws,
-                          struct pipe_fence_handle *fence)
-{
-   assert(0);
-
-   return 0;
-}
-
-static int
-intel_drm_fence_finish(struct intel_winsys *iws,
-                       struct pipe_fence_handle *fence)
-{
-   struct intel_drm_fence *f = (struct intel_drm_fence *)fence;
-
-   /* fence already expired */
-   if (!f->bo)
-      return 0;
-
-   drm_intel_bo_wait_rendering(f->bo);
-   drm_intel_bo_unreference(f->bo);
-   f->bo = NULL;
-
-   return 0;
-}
-
-void
-intel_drm_winsys_init_fence_functions(struct intel_drm_winsys *idws)
-{
-   idws->base.fence_reference = intel_drm_fence_reference;
-   idws->base.fence_signalled = intel_drm_fence_signalled;
-   idws->base.fence_finish = intel_drm_fence_finish;
-}
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h b/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h
index 9854756880..bfcd512cef 100644
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h
+++ b/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h
@@ -2,56 +2,45 @@
 #ifndef INTEL_DRM_WINSYS_H
 #define INTEL_DRM_WINSYS_H
 
-#include "i965/intel_batchbuffer.h"
+#include "i965/brw_winsys.h"
 
 #include "drm.h"
 #include "intel_bufmgr.h"
 
 
+
 /*
  * Winsys
  */
 
 
-struct intel_drm_winsys
+struct i965_libdrm_winsys
 {
-   struct intel_winsys base;
+   struct brw_winsys_screen base;
+   drm_intel_bufmgr *gem;
 
-   boolean softpipe;
    boolean dump_cmd;
 
    int fd; /**< Drm file discriptor */
 
    unsigned id;
-
-   size_t max_batch_size;
-
-   struct {
-      drm_intel_bufmgr *gem;
-   } pools;
 };
 
-static INLINE struct intel_drm_winsys *
-intel_drm_winsys(struct intel_winsys *iws)
+static INLINE struct i965_libdrm_winsys *
+i965_libdrm_winsys(struct brw_winsys_screen *iws)
 {
-   return (struct intel_drm_winsys *)iws;
+   return (struct i965_libdrm_winsys *)iws;
 }
 
-struct intel_drm_winsys * intel_drm_winsys_create(int fd, unsigned pci_id);
-struct pipe_fence_handle * intel_drm_fence_create(drm_intel_bo *bo);
+struct i965_libdrm_winsys *i965_libdrm_winsys_create(int fd, unsigned pci_id);
 
-void intel_drm_winsys_init_batchbuffer_functions(struct intel_drm_winsys *idws);
-void intel_drm_winsys_init_buffer_functions(struct intel_drm_winsys *idws);
-void intel_drm_winsys_init_fence_functions(struct intel_drm_winsys *idws);
+void i965_libdrm_winsys_init_buffer_functions(struct i965_libdrm_winsys *idws);
 
 
-/*
- * Buffer
+/* Buffer.  
  */
-
-
-struct intel_drm_buffer {
-   unsigned magic;
+struct i965_libdrm_buffer {
+   struct brw_winsys_buffer base;
 
    drm_intel_bo *bo;
 
@@ -61,18 +50,15 @@ struct intel_drm_buffer {
 
    boolean flinked;
    unsigned flink;
+
+   unsigned cheesy_refcount;
 };
 
-static INLINE struct intel_drm_buffer *
-intel_drm_buffer(struct intel_buffer *buffer)
+static INLINE struct i965_libdrm_buffer *
+i965_libdrm_buffer(struct brw_winsys_buffer *buffer)
 {
-   return (struct intel_drm_buffer *)buffer;
+   return (struct i965_libdrm_buffer *)buffer;
 }
 
-static INLINE drm_intel_bo *
-intel_bo(struct intel_buffer *buffer)
-{
-   return intel_drm_buffer(buffer)->bo;
-}
 
 #endif