diff options
| author | Marek Olšák <[email protected]> | 2015-11-06 23:06:47 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2015-11-13 19:54:40 +0100 |
| commit | 65d0c558d5dfa0d10f3f169dd5af65ccc69e1899 (patch) | |
| tree | f1345113b40feec1c8cdc8675e33b7b47d916e34 /src/gallium/drivers/radeonsi | |
| parent | 7f1e34e6c80b4cc59822eaf0c1731cab46befa46 (diff) | |
radeonsi: fix unaligned clear_buffer fallback
This is unreachable currently, but it will be used by unaligned 8-bit and
16-bit fills.
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_cp_dma.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c b/src/gallium/drivers/radeonsi/si_cp_dma.c index 418b2cf65c5..7b8c6d00395 100644 --- a/src/gallium/drivers/radeonsi/si_cp_dma.c +++ b/src/gallium/drivers/radeonsi/si_cp_dma.c @@ -176,12 +176,14 @@ static void si_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst, /* Fallback for unaligned clears. */ if (offset % 4 != 0 || size % 4 != 0) { - uint32_t *map = sctx->b.ws->buffer_map(r600_resource(dst)->cs_buf, - sctx->b.rings.gfx.cs, - PIPE_TRANSFER_WRITE); - size /= 4; - for (unsigned i = 0; i < size; i++) - *map++ = value; + uint8_t *map = sctx->b.ws->buffer_map(r600_resource(dst)->cs_buf, + sctx->b.rings.gfx.cs, + PIPE_TRANSFER_WRITE); + map += offset; + for (unsigned i = 0; i < size; i++) { + unsigned byte_within_dword = (offset + i) % 4; + *map++ = (value >> (byte_within_dword * 8)) & 0xff; + } return; } |