Mesa (master): gallium: add global buffer memory barrier bit
Bas Nieuwenhuizen
bnieuwenhuizen at kemper.freedesktop.org
Fri Apr 1 23:59:28 UTC 2016
Module: Mesa
Branch: master
Commit: be5899dcf9a337548d8095a00060d4451b0df222
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=be5899dcf9a337548d8095a00060d4451b0df222
Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date: Thu Mar 24 23:11:03 2016 +0100
gallium: add global buffer memory barrier bit
Currently radeonsi synchronizes after every dispatch and Clover
does nothing to synchronize. This is overzealous, especially with
GL compute, so add a barrier for global buffers.
Signed-off-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Reviewed-by: Dave Airlie <airlied at redhat.com>
---
src/gallium/include/pipe/p_defines.h | 1 +
src/gallium/state_trackers/clover/core/kernel.cpp | 2 ++
2 files changed, 3 insertions(+)
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 8257b4a..6f30f9e 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -368,6 +368,7 @@ enum pipe_flush_flags
#define PIPE_BARRIER_IMAGE (1 << 8)
#define PIPE_BARRIER_FRAMEBUFFER (1 << 9)
#define PIPE_BARRIER_STREAMOUT_BUFFER (1 << 10)
+#define PIPE_BARRIER_GLOBAL_BUFFER (1 << 11)
/**
* Resource binding flags -- state tracker must specify in advance all
diff --git a/src/gallium/state_trackers/clover/core/kernel.cpp b/src/gallium/state_trackers/clover/core/kernel.cpp
index bce3b52..266d50e 100644
--- a/src/gallium/state_trackers/clover/core/kernel.cpp
+++ b/src/gallium/state_trackers/clover/core/kernel.cpp
@@ -89,6 +89,8 @@ kernel::launch(command_queue &q,
exec.sviews.size(), NULL);
q.pipe->bind_sampler_states(q.pipe, PIPE_SHADER_COMPUTE, 0,
exec.samplers.size(), NULL);
+
+ q.pipe->memory_barrier(q.pipe, PIPE_BARRIER_GLOBAL_BUFFER);
exec.unbind();
}
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