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pipebuffer: don't fail when validating mapped buffers

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This can be almost impossible to avoid - hopefully we won't encounter
a situation where this is a true requirement.  Would probably require
drivers to flush between hardware and software vertex processing.
This commit is contained in:
Keith Whitwell 2009-04-24 12:43:04 +01:00
parent a86ef37655
commit 29d9abf72d
1 changed files with 5 additions and 4 deletions
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9
src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
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@ -365,21 +365,22 @@ fenced_buffer_validate(struct pb_buffer *buf,
if(fenced_buf->vl && fenced_buf->vl != vl)
return PIPE_ERROR_RETRY;
#if 0
/* Do not validate if buffer is still mapped */
if(fenced_buf->flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE) {
/* TODO: wait for the thread that mapped the buffer to unmap it */
return PIPE_ERROR_RETRY;
}
/* Final sanity checking */
assert(!(fenced_buf->flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE));
assert(!fenced_buf->mapcount);
#endif
if(fenced_buf->vl == vl &&
(fenced_buf->validation_flags & flags) == flags) {
/* Nothing to do -- buffer already validated */
return PIPE_OK;
}
/* Final sanity checking */
assert(!(fenced_buf->flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE));
assert(!fenced_buf->mapcount);
ret = pb_validate(fenced_buf->buffer, vl, flags);
if (ret != PIPE_OK)