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#include "i915_drm_winsys.h"

#include "util/u_memory.h"

{

   char *name;

      name = "gallium3d_texture";

   } else if (type == I915_NEW_VERTEX) {

      name = "gallium3d_vertex";

   } else if (type == I915_NEW_SCANOUT) {

      name = "gallium3d_scanout";

   } else {

      assert(0);

      name = "gallium3d_unknown";

   }

}

i915_drm_buffer_create(struct i915_winsys *iws,

                        unsigned size,

                        enum i915_winsys_buffer_type type)

{

   struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);

   struct i915_drm_winsys *idws = i915_drm_winsys(iws);

      return NULL;

   buf->flinked = FALSE;

   buf->flink = 0;

                                i915_drm_type_to_name(type), size, 0);

      goto err;

   assert(0);

   FREE(buf);

   return NULL;

}

i915_drm_buffer_create_tiled(struct i915_winsys *iws,

                             unsigned *stride, unsigned height,

                             enum i915_winsys_buffer_tile *tiling,

                             enum i915_winsys_buffer_type type)

{

   struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);

   struct i915_drm_winsys *idws = i915_drm_winsys(iws);

   unsigned long pitch = 0;

   uint32_t tiling_mode = *tiling;

      return NULL;

   buf->flinked = FALSE;

   buf->flink = 0;

                                      i915_drm_type_to_name(type),

		   		      *stride, height, 1,

                                      &tiling_mode, &pitch, 0);

      goto err;

   *tiling = tiling_mode;

   return (struct i915_winsys_buffer *)buf;

   assert(0);

   FREE(buf);

   return NULL;

}

i915_drm_buffer_from_handle(struct i915_winsys *iws,

                            struct winsys_handle *whandle,

                            enum i915_winsys_buffer_tile *tiling,

                            unsigned *stride)

{

   struct i915_drm_winsys *idws = i915_drm_winsys(iws);

   struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);

   uint32_t tile = 0, swizzle = 0;

      return NULL;

   buf->bo = drm_intel_bo_gem_create_from_name(idws->gem_manager, "gallium3d_from_handle", whandle->handle);

   buf->flinked = TRUE;

   buf->flink = whandle->handle;

      goto err;

   *tiling = tile;

   FREE(buf);

   return NULL;

}

i915_drm_buffer_get_handle(struct i915_winsys *iws,

                            struct i915_winsys_buffer *buffer,

                            struct winsys_handle *whandle,

                            unsigned stride)

{

   struct i915_drm_buffer *buf = i915_drm_buffer(buffer);

      if (!buf->flinked) {

         if (drm_intel_bo_flink(buf->bo, &buf->flink))

            return FALSE;

         buf->flinked = TRUE;

      }

   } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {

      whandle->handle = buf->bo->handle;

   } else {

      assert(!"unknown usage");

      return FALSE;

   }

   return TRUE;

}

i915_drm_buffer_map(struct i915_winsys *iws,

                     struct i915_winsys_buffer *buffer,

                     boolean write)

{

   struct i915_drm_buffer *buf = i915_drm_buffer(buffer);

   drm_intel_bo *bo = intel_bo(buffer);

   int ret = 0;

      goto out;

out:

   if (ret)

      return NULL;

   return buf->ptr;

}

i915_drm_buffer_unmap(struct i915_winsys *iws,

                       struct i915_winsys_buffer *buffer)

{

   struct i915_drm_buffer *buf = i915_drm_buffer(buffer);

      return;

}

i915_drm_buffer_write(struct i915_winsys *iws,

                       struct i915_winsys_buffer *buffer,

                       size_t offset,

                       size_t size,

                       const void *data)

{

   struct i915_drm_buffer *buf = i915_drm_buffer(buffer);

}

i915_drm_buffer_destroy(struct i915_winsys *iws,

                         struct i915_winsys_buffer *buffer)

{

   drm_intel_bo_unreference(intel_bo(buffer));

   i915_drm_buffer(buffer)->magic = 0;

   i915_drm_buffer(buffer)->bo = NULL;

#endif

}

i915_drm_buffer_is_busy(struct i915_winsys *iws,

                        struct i915_winsys_buffer *buffer)

{

   struct i915_drm_buffer* i915_buffer = i915_drm_buffer(buffer);

   if (!i915_buffer)

      return FALSE;

   return drm_intel_bo_busy(i915_buffer->bo);

}

i915_drm_winsys_init_buffer_functions(struct i915_drm_winsys *idws)

{

   idws->base.buffer_create = i915_drm_buffer_create;

   idws->base.buffer_create_tiled = i915_drm_buffer_create_tiled;

   idws->base.buffer_from_handle = i915_drm_buffer_from_handle;

   idws->base.buffer_get_handle = i915_drm_buffer_get_handle;

   idws->base.buffer_map = i915_drm_buffer_map;

   idws->base.buffer_unmap = i915_drm_buffer_unmap;

   idws->base.buffer_write = i915_drm_buffer_write;

   idws->base.buffer_destroy = i915_drm_buffer_destroy;

   idws->base.buffer_is_busy = i915_drm_buffer_is_busy;

}