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Revert "st/mesa: add a simple path to BufferData if it only discards buffer contents"

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This reverts commit 5649f886f7.

It causes segfaults when size is zero.
This commit is contained in:
José Fonseca 2013-04-29 15:12:26 +01:00
parent c7a13dc5f5
commit c4bea00fb3
1 changed files with 0 additions and 14 deletions
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14
src/mesa/state_tracker/st_cb_bufferobjects.c
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@ -182,20 +182,6 @@ st_bufferobj_data(struct gl_context *ctx,
struct st_buffer_object *st_obj = st_buffer_object(obj);
unsigned bind, pipe_usage;
if (st_obj->Base.Size == size && st_obj->Base.Usage == usage && data) {
/* Just discard the old contents and write new data.
* This should be the same as creating a new buffer, but we avoid
* a lot of validation in Mesa.
*/
struct pipe_box box;
u_box_1d(0, size, &box);
pipe->transfer_inline_write(pipe, st_obj->buffer, 0,
PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE,
&box, data, 0, 0);
return GL_TRUE;
}
st_obj->Base.Size = size;
st_obj->Base.Usage = usage;