1 files changed, 141 insertions, 0 deletions
diff --git a/libdrm/dri_bufmgr.c b/libdrm/dri_bufmgr.c
new file mode 100644
index 00000000..7657df61
--- /dev/null
+++ b/libdrm/dri_bufmgr.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright © 2007 Intel Corporation
+ *
+ * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "dri_bufmgr.h"
+
+/** @file dri_bufmgr.c
+ *
+ * Convenience functions for buffer management methods.
+ */
+
+dri_bo *
+dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size,
+	     unsigned int alignment)
+{
+   return bufmgr->bo_alloc(bufmgr, name, size, alignment);
+}
+
+void
+dri_bo_reference(dri_bo *bo)
+{
+   bo->bufmgr->bo_reference(bo);
+}
+
+void
+dri_bo_unreference(dri_bo *bo)
+{
+   if (bo == NULL)
+      return;
+
+   bo->bufmgr->bo_unreference(bo);
+}
+
+int
+dri_bo_map(dri_bo *buf, int write_enable)
+{
+   return buf->bufmgr->bo_map(buf, write_enable);
+}
+
+int
+dri_bo_unmap(dri_bo *buf)
+{
+   return buf->bufmgr->bo_unmap(buf);
+}
+
+int
+dri_bo_subdata(dri_bo *bo, unsigned long offset,
+	       unsigned long size, const void *data)
+{
+   int ret;
+   if (bo->bufmgr->bo_subdata)
+      return bo->bufmgr->bo_subdata(bo, offset, size, data);
+   if (size == 0 || data == NULL)
+      return 0;
+
+   ret = dri_bo_map(bo, 1);
+   if (ret)
+       return ret;
+   memcpy((unsigned char *)bo->virtual + offset, data, size);
+   dri_bo_unmap(bo);
+   return 0;
+}
+
+int
+dri_bo_get_subdata(dri_bo *bo, unsigned long offset,
+		   unsigned long size, void *data)
+{
+   int ret;
+   if (bo->bufmgr->bo_subdata)
+      return bo->bufmgr->bo_get_subdata(bo, offset, size, data);
+
+   if (size == 0 || data == NULL)
+      return 0;
+
+   ret = dri_bo_map(bo, 0);
+   if (ret)
+       return ret;
+   memcpy(data, (unsigned char *)bo->virtual + offset, size);
+   dri_bo_unmap(bo);
+   return 0;
+}
+
+void
+dri_bo_wait_rendering(dri_bo *bo)
+{
+   bo->bufmgr->bo_wait_rendering(bo);
+}
+
+void
+dri_bufmgr_destroy(dri_bufmgr *bufmgr)
+{
+   bufmgr->destroy(bufmgr);
+}
+
+void *dri_process_relocs(dri_bo *batch_buf)
+{
+   return batch_buf->bufmgr->process_relocs(batch_buf);
+}
+
+void dri_post_submit(dri_bo *batch_buf)
+{
+   batch_buf->bufmgr->post_submit(batch_buf);
+}
+
+void
+dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug)
+{
+   bufmgr->debug = enable_debug;
+}
+
+int
+dri_bufmgr_check_aperture_space(dri_bo *bo)
+{
+    return bo->bufmgr->check_aperture_space(bo);
+}