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u_vbuf: don't map user buffers, just obtain a pointer to them

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This commit is contained in:
Marek Olšák 2012-01-01 17:53:55 +01:00
parent f430f794ac
commit c727cc175b
1 changed files with 10 additions and 5 deletions
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15
src/gallium/auxiliary/util/u_vbuf.c
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@ -243,12 +243,17 @@ u_vbuf_translate_begin(struct u_vbuf_priv *mgr,
for (i = 0; i < mgr->b.nr_vertex_buffers; i++) {
if (vb_translated[i]) {
struct pipe_vertex_buffer *vb = &mgr->b.vertex_buffer[i];
unsigned offset = vb->buffer_offset + vb->stride * min_index;
unsigned size = vb->stride ? num_verts * vb->stride
: vb->buffer->width0 - offset;
uint8_t *map;
uint8_t *map =
pipe_buffer_map_range(mgr->pipe, vb->buffer,
vb->buffer_offset + vb->stride * min_index,
num_verts * vb->stride,
PIPE_TRANSFER_READ, &vb_transfer[i]);
if (u_vbuf_resource(vb->buffer)->user_ptr) {
map = u_vbuf_resource(vb->buffer)->user_ptr + offset;
} else {
map = pipe_buffer_map_range(mgr->pipe, vb->buffer, offset, size,
PIPE_TRANSFER_READ, &vb_transfer[i]);
}
tr->set_buffer(tr, i, map, vb->stride, ~0);
}