Add register defines for hw binning
diff --git a/src/mesa/drivers/dri/i915tex/i915_reg.h b/src/mesa/drivers/dri/i915tex/i915_reg.h
index 34c6821..a9fa56e 100644
--- a/src/mesa/drivers/dri/i915tex/i915_reg.h
+++ b/src/mesa/drivers/dri/i915tex/i915_reg.h
@@ -112,6 +112,20 @@
 /* 3DSTATE_CHROMA_KEY */
 
 /* 3DSTATE_CLEAR_PARAMETERS, p150 */
+/* 
+ * Sets the color, depth and stencil clear values used by the
+ * CLEAR_RECT and ZONE_INIT primitive types, respectively.  These
+ * primitives set override most 3d state and only take a minimal x/y
+ * vertex.  The color/z/stencil information is supplied here and
+ * therefore cannot vary per vertex.
+ */
+#define _3DSTATE_CLEAR_PARAMETERS	(CMD_3D | (0x1d<<24) | (0x9c<<16) | 5)
+/* Dword 1 */
+#define CLEARPARAM_CLEAR_RECT		(1 << 16)
+#define CLEARPARAM_ZONE_INIT		(0 << 16)
+#define CLEARPARAM_WRITE_COLOR		(1 << 2)
+#define CLEARPARAM_WRITE_DEPTH		(1 << 1)
+#define CLEARPARAM_WRITE_STENCIL	(1 << 0)
 
 /* 3DSTATE_CONSTANT_BLEND_COLOR, p153 */
 #define _3DSTATE_CONST_BLEND_COLOR_CMD	(CMD_3D | (0x1d<<24) | (0x88<<16))
@@ -424,6 +438,17 @@
 
 #define S7_DEPTH_OFFSET_CONST_MASK     ~0
 
+
+/* Helper macros for blend factors
+ */
+#define DST_BLND_FACT(f) ((f)<<S6_CBUF_DST_BLEND_FACT_SHIFT)
+#define SRC_BLND_FACT(f) ((f)<<S6_CBUF_SRC_BLEND_FACT_SHIFT)
+#define DST_ABLND_FACT(f) ((f)<<IAB_DST_FACTOR_SHIFT)
+#define SRC_ABLND_FACT(f) ((f)<<IAB_SRC_FACTOR_SHIFT)
+
+
+
+
 /* 3DSTATE_MAP_DEINTERLACER_PARAMETERS */
 
 /* 3DSTATE_MAP_PALETTE_LOAD_32, p206 */