gallium: add flags parameter to texture barrier

This is so that we can differentiate between flushing any framebuffer
reading caches from regular sampler caches.

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>

2 files changed, 7 insertions, 1 deletions

diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index 171dc570ba0..45098c9c74f 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -566,7 +566,7 @@ struct pipe_context {
    /**
     * Flush any pending framebuffer writes and invalidate texture caches.
     */
-   void (*texture_barrier)(struct pipe_context *);
+   void (*texture_barrier)(struct pipe_context *, unsigned flags);
 
    /**
     * Flush caches according to flags.
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index d5139c7f8f1..3eb5b3b8873 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -400,6 +400,12 @@ enum pipe_flush_flags
 #define PIPE_BARRIER_ALL               ((1 << 12) - 1)
 
 /**
+ * Flags for pipe_context::texture_barrier.
+ */
+#define PIPE_TEXTURE_BARRIER_SAMPLER      (1 << 0)
+#define PIPE_TEXTURE_BARRIER_FRAMEBUFFER  (1 << 1)
+
+/**
  * Resource binding flags -- state tracker must specify in advance all
  * the ways a resource might be used.
  */