From: Marek Olšák <marek.ol...@amd.com>
This is unreachable currently, but it will be used by unaligned 8-bit and
16-bit fills.
---
src/gallium/drivers/radeonsi/si_cp_dma.c | 14 ++++++++------
1 file 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 418b2cf..7b8c6d0 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;
}
--
2.1.4
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