The mask should be accumulated if two calls are used for
binding two buffers at different indexes. Otherwise, the
driver only accounts for the last one.

Noticed while glancing at this code.

Cc: 18.3 19.0 <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
 src/amd/vulkan/radv_cmd_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 5b66930d137..b8d8583c1b0 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -4987,7 +4987,7 @@ void radv_CmdBindTransformFeedbackBuffersEXT(
                enabled_mask |= 1 << idx;
        }
 
-       cmd_buffer->state.streamout.enabled_mask = enabled_mask;
+       cmd_buffer->state.streamout.enabled_mask |= enabled_mask;
 
        cmd_buffer->state.dirty |= RADV_CMD_DIRTY_STREAMOUT_BUFFER;
 }
-- 
2.21.0

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