From e1f6fb8021bcdd407fae77917502891b9239f53c Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Fri, 31 Mar 2017 15:33:39 -0700 Subject: [PATCH] anv/cmd_buffer: Flush the VF cache at the top of all primaries Reviewed-by: Lionel Landwerlin Cc: "13.0 17.0" --- src/intel/vulkan/genX_cmd_buffer.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c index b78b13d88e6..7318b6b6881 100644 --- a/src/intel/vulkan/genX_cmd_buffer.c +++ b/src/intel/vulkan/genX_cmd_buffer.c @@ -597,6 +597,18 @@ genX(BeginCommandBuffer)( genX(cmd_buffer_emit_state_base_address)(cmd_buffer); + /* We sometimes store vertex data in the dynamic state buffer for blorp + * operations and our dynamic state stream may re-use data from previous + * command buffers. In order to prevent stale cache data, we flush the VF + * cache. We could do this on every blorp call but that's not really + * needed as all of the data will get written by the CPU prior to the GPU + * executing anything. The chances are fairly high that they will use + * blorp at least once per primary command buffer so it shouldn't be + * wasted. + */ + if (cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY) + cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_VF_CACHE_INVALIDATE_BIT; + VkResult result = VK_SUCCESS; if (cmd_buffer->usage_flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT) { -- 2.30.2