Add the state caching mechanism. It seems to work, from what I can see.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_state_cache.h b/src/mesa/drivers/dri/nouveau/nouveau_state_cache.h
new file mode 100644
index 00000000000..24882748468
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_state_cache.h
@@ -0,0 +1,23 @@
+
+#ifndef __NOUVEAU_STATE_CACHE_H__
+#define __NOUVEAU_STATE_CACHE_H__
+
+#include "mtypes.h"
+
+#define NOUVEAU_STATE_CACHE_ENTRIES 2048
+
+typedef struct nouveau_state_atom_t{
+	uint32_t value;
+	uint32_t dirty;
+}nouveau_state_atom;
+
+typedef struct nouveau_state_cache_t{
+	nouveau_state_atom atoms[NOUVEAU_STATE_CACHE_ENTRIES];
+	uint32_t current_pos;
+	// master dirty flag
+	uint32_t dirty;
+}nouveau_state_cache;
+
+
+#endif
+