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authorAlex Smith <asmith@feralinteractive.com>2017-03-14 15:26:32 +0000
committerBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>2017-03-14 22:17:03 +0100
commite0cc32b85bd8cf5c2202037838a208983e2d793a (patch)
tree62e4f1c5e0eb6d84a95e197e6b7dd2eac3e4f533 /src/amd/vulkan/radv_meta_buffer.c
parentcce43f6d8c40222099badaf52344d6a0eed993f3 (diff)
radv: Flush before copying with PKT3_WRITE_DATA in CmdUpdateBuffer
Need to flush before updating the buffer to ensure that the copy is ordered after previous accesses (assuming the app has performed the appropriate barriers). This fixes potential issues due to draws prior to an update reading the new buffer content, despite having the necessary barriers between them. Signed-off-by: Alex Smith <asmith@feralinteractive.com> Cc: 17.0 <mesa-stable@lists.freedesktop.org> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Reviewed-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'src/amd/vulkan/radv_meta_buffer.c')
-rw-r--r--src/amd/vulkan/radv_meta_buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_meta_buffer.c b/src/amd/vulkan/radv_meta_buffer.c
index cd2973fa4a9..1e94f3b5866 100644
--- a/src/amd/vulkan/radv_meta_buffer.c
+++ b/src/amd/vulkan/radv_meta_buffer.c
@@ -524,6 +524,8 @@ void radv_CmdUpdateBuffer(
assert(!(va & 3));
if (dataSize < 4096) {
+ si_emit_cache_flush(cmd_buffer);
+
cmd_buffer->device->ws->cs_add_buffer(cmd_buffer->cs, dst_buffer->bo, 8);
radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, words + 4);