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-rw-r--r--src/intel/vulkan/genX_cmd_buffer.c12
1 files changed, 12 insertions, 0 deletions
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) {