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Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_state_cache.h')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_state_cache.h29
1 files changed, 29 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 0000000000..5f9d426450
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_state_cache.h
@@ -0,0 +1,29 @@
+
+#ifndef __NOUVEAU_STATE_CACHE_H__
+#define __NOUVEAU_STATE_CACHE_H__
+
+#include "mtypes.h"
+
+#define NOUVEAU_STATE_CACHE_ENTRIES 2048
+// size of a dirty requests block
+// you can play with that and tune the value to increase/decrease performance
+// but keep it a power of 2 !
+#define NOUVEAU_STATE_CACHE_HIER_SIZE 32
+
+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;
+ // hierarchical dirty flags
+ uint8_t hdirty[NOUVEAU_STATE_CACHE_ENTRIES/NOUVEAU_STATE_CACHE_HIER_SIZE];
+ // master dirty flag
+ uint8_t dirty;
+}nouveau_state_cache;
+
+
+#endif
+