r600g: allow driver to work without submitting cmd to GPU

For driver performance analysis it usefull to be able to
disable as much as possible the GPU interaction so that
one can profile the userspace only.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index bcbe71e1267388d3e0377a68d93de583163b15aa..37e5baf8de8832bc35879de9e5a67e3c32619f60 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -1109,6 +1109,8 @@ void r600_context_flush(struct r600_context *ctx)
        chunk_array[1] = (uint64_t)(uintptr_t)&chunks[1];
        r = drmCommandWriteRead(ctx->radeon->fd, DRM_RADEON_CS, &drmib,
                                sizeof(struct drm_radeon_cs));
+#else
+       *ctx->cfence = ctx->fence;
 #endif
 
        r600_context_update_fenced_list(ctx);