i965/miptree: Add real support for HiZ

[mesa.git] / src / mesa / drivers / dri / i965 / brw_reg.h

diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h
index b0ef94e96d0444979cfef32cc1f8cd601baf79be..5b427b22230d30e1472d50f4b8587fd708f2b21e 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_reg.h
+++ b/src/mesa/drivers/dri/i965/brw_reg.h
@@ -88,6 +88,9 @@ struct brw_device_info;
 #define BRW_SWIZZLE_ZWZW      BRW_SWIZZLE4(2,3,2,3)
 #define BRW_SWIZZLE_WZYX      BRW_SWIZZLE4(3,2,1,0)
 
+#define BRW_SWZ_COMP_INPUT(comp) (BRW_SWIZZLE_XYZW >> ((comp)*2))
+#define BRW_SWZ_COMP_OUTPUT(comp) (BRW_SWIZZLE_XYZW << ((comp)*2))
+
 static inline bool
 brw_is_single_value_swizzle(unsigned swiz)
 {
@@ -292,15 +295,39 @@ type_sz(unsigned type)
    case BRW_REGISTER_TYPE_UD:
    case BRW_REGISTER_TYPE_D:
    case BRW_REGISTER_TYPE_F:
+   case BRW_REGISTER_TYPE_VF:
       return 4;
    case BRW_REGISTER_TYPE_UW:
    case BRW_REGISTER_TYPE_W:
+   case BRW_REGISTER_TYPE_UV:
+   case BRW_REGISTER_TYPE_V:
+   case BRW_REGISTER_TYPE_HF:
       return 2;
    case BRW_REGISTER_TYPE_UB:
    case BRW_REGISTER_TYPE_B:
       return 1;
    default:
-      return 0;
+      unreachable("not reached");
+   }
+}
+
+/**
+ * Return an integer type of the requested size and signedness.
+ */
+static inline enum brw_reg_type
+brw_int_type(unsigned sz, bool is_signed)
+{
+   switch (sz) {
+   case 1:
+      return (is_signed ? BRW_REGISTER_TYPE_B : BRW_REGISTER_TYPE_UB);
+   case 2:
+      return (is_signed ? BRW_REGISTER_TYPE_W : BRW_REGISTER_TYPE_UW);
+   case 4:
+      return (is_signed ? BRW_REGISTER_TYPE_D : BRW_REGISTER_TYPE_UD);
+   case 8:
+      return (is_signed ? BRW_REGISTER_TYPE_Q : BRW_REGISTER_TYPE_UQ);
+   default:
+      unreachable("Not reached.");
    }
 }
 
@@ -945,6 +972,13 @@ brw_writemask_for_size(unsigned n)
    return (1 << n) - 1;
 }
 
+static inline unsigned
+brw_writemask_for_component_packing(unsigned n, unsigned first_component)
+{
+   assert(first_component + n <= 4);
+   return (((1 << n) - 1) << first_component);
+}
+
 static inline struct brw_reg
 negate(struct brw_reg reg)
 {