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gallium/util: add fast path for buffers in u_default_transfer_inline_write

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v2: fix indentation, add assertions
This commit is contained in:
Marek Olšák 2012-02-26 18:56:51 +01:00
parent 615baedc77
commit 335facb502
1 changed files with 23 additions and 14 deletions
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37
src/gallium/auxiliary/util/u_transfer.c
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@ -18,8 +18,6 @@ void u_default_transfer_inline_write( struct pipe_context *pipe,
{
struct pipe_transfer *transfer = NULL;
uint8_t *map = NULL;
const uint8_t *src_data = data;
unsigned i;
assert(!(usage & PIPE_TRANSFER_READ));
@ -45,18 +43,29 @@ void u_default_transfer_inline_write( struct pipe_context *pipe,
if (map == NULL)
goto out;
for (i = 0; i < box->depth; i++) {
util_copy_rect(map,
resource->format,
transfer->stride, /* bytes */
0, 0,
box->width,
box->height,
src_data,
stride, /* bytes */
0, 0);
map += transfer->layer_stride;
src_data += layer_stride;
if (resource->target == PIPE_BUFFER) {
assert(box->height == 1);
assert(box->depth == 1);
memcpy(map, data, box->width);
}
else {
const uint8_t *src_data = data;
unsigned i;
for (i = 0; i < box->depth; i++) {
util_copy_rect(map,
resource->format,
transfer->stride, /* bytes */
0, 0,
box->width,
box->height,
src_data,
stride, /* bytes */
0, 0);
map += transfer->layer_stride;
src_data += layer_stride;
}
}
out: