1 files changed, 158 insertions, 63 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_type.h b/src/gallium/drivers/llvmpipe/lp_bld_type.h
index 3ce566be64..2fb233d335 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_type.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_type.h
@@ -43,71 +43,73 @@
 
 
 /**
+ * Native SIMD register width.
+ *
+ * 128 for all architectures we care about.
+ */
+#define LP_NATIVE_VECTOR_WIDTH 128
+
+/**
  * Several functions can only cope with vectors of length up to this value.
  * You may need to increase that value if you want to represent bigger vectors.
  */
 #define LP_MAX_VECTOR_LENGTH 16
 
-#define LP_MAX_TYPE_WIDTH 64
-
 
 /**
  * The LLVM type system can't conveniently express all the things we care about
  * on the types used for intermediate computations, such as signed vs unsigned,
  * normalized values, or fixed point.
  */
-union lp_type {
-   struct {
-      /** 
-       * Floating-point. Cannot be used with fixed. Integer numbers are
-       * represented by this zero.
-       */
-      unsigned floating:1;
-
-      /** 
-       * Fixed-point. Cannot be used with floating. Integer numbers are
-       * represented by this zero.
-       */
-      unsigned fixed:1;
-      
-      /** 
-       * Whether it can represent negative values or not.
-       *
-       * If this is not set for floating point, it means that all values are
-       * assumed to be positive.
-       */
-      unsigned sign:1;
-
-      /**
-       * Whether values are normalized to fit [0, 1] interval, or [-1, 1]
-       * interval for signed types.
-       *
-       * For integer types it means the representable integer range should be
-       * interpreted as the interval above.
-       *
-       * For floating and fixed point formats it means the values should be
-       * clamped to the interval above.
-       */
-      unsigned norm:1;
-
-      /**
-       * Element width.
-       *
-       * For fixed point values, the fixed point is assumed to be at half the
-       * width.
-       */
-      unsigned width:14;
-
-      /** 
-       * Vector length.
-       *
-       * width*length should be a power of two greater or equal to eight.
-       *
-       * @sa LP_MAX_VECTOR_LENGTH
-       */
-      unsigned length:14;
-   };
-   uint32_t value;
+struct lp_type {
+   /**
+    * Floating-point. Cannot be used with fixed. Integer numbers are
+    * represented by this zero.
+    */
+   unsigned floating:1;
+
+   /**
+    * Fixed-point. Cannot be used with floating. Integer numbers are
+    * represented by this zero.
+    */
+   unsigned fixed:1;
+
+   /**
+    * Whether it can represent negative values or not.
+    *
+    * If this is not set for floating point, it means that all values are
+    * assumed to be positive.
+    */
+   unsigned sign:1;
+
+   /**
+    * Whether values are normalized to fit [0, 1] interval, or [-1, 1]
+    * interval for signed types.
+    *
+    * For integer types it means the representable integer range should be
+    * interpreted as the interval above.
+    *
+    * For floating and fixed point formats it means the values should be
+    * clamped to the interval above.
+    */
+   unsigned norm:1;
+
+   /**
+    * Element width.
+    *
+    * For fixed point values, the fixed point is assumed to be at half the
+    * width.
+    */
+   unsigned width:14;
+
+   /**
+    * Vector length.
+    *
+    * width*length should be a power of two greater or equal to eight.
+    *
+    * @sa LP_MAX_VECTOR_LENGTH
+    */
+   unsigned length:14;
 };
 
 
@@ -124,7 +126,7 @@ struct lp_build_context
     * This not only describes the input/output LLVM types, but also whether
     * to normalize/clamp the results.
     */
-   union lp_type type;
+   struct lp_type type;
 
    /** Same as lp_build_undef(type) */
    LLVMValueRef undef;
@@ -137,38 +139,131 @@ struct lp_build_context
 };
 
 
+static INLINE struct lp_type
+lp_type_float(unsigned width)
+{
+   struct lp_type res_type;
+
+   memset(&res_type, 0, sizeof res_type);
+   res_type.floating = TRUE;
+   res_type.sign = TRUE;
+   res_type.width = width;
+   res_type.length = LP_NATIVE_VECTOR_WIDTH / width;
+
+   return res_type;
+}
+
+
+static INLINE struct lp_type
+lp_type_int(unsigned width)
+{
+   struct lp_type res_type;
+
+   memset(&res_type, 0, sizeof res_type);
+   res_type.sign = TRUE;
+   res_type.width = width;
+   res_type.length = LP_NATIVE_VECTOR_WIDTH / width;
+
+   return res_type;
+}
+
+
+static INLINE struct lp_type
+lp_type_uint(unsigned width)
+{
+   struct lp_type res_type;
+
+   memset(&res_type, 0, sizeof res_type);
+   res_type.width = width;
+   res_type.length = LP_NATIVE_VECTOR_WIDTH / width;
+
+   return res_type;
+}
+
+
+static INLINE struct lp_type
+lp_type_unorm(unsigned width)
+{
+   struct lp_type res_type;
+
+   memset(&res_type, 0, sizeof res_type);
+   res_type.norm = TRUE;
+   res_type.width = width;
+   res_type.length = LP_NATIVE_VECTOR_WIDTH / width;
+
+   return res_type;
+}
+
+
+static INLINE struct lp_type
+lp_type_fixed(unsigned width)
+{
+   struct lp_type res_type;
+
+   memset(&res_type, 0, sizeof res_type);
+   res_type.sign = TRUE;
+   res_type.fixed = TRUE;
+   res_type.width = width;
+   res_type.length = LP_NATIVE_VECTOR_WIDTH / width;
+
+   return res_type;
+}
+
+
+static INLINE struct lp_type
+lp_type_ufixed(unsigned width)
+{
+   struct lp_type res_type;
+
+   memset(&res_type, 0, sizeof res_type);
+   res_type.fixed = TRUE;
+   res_type.width = width;
+   res_type.length = LP_NATIVE_VECTOR_WIDTH / width;
+
+   return res_type;
+}
+
+
 LLVMTypeRef
-lp_build_elem_type(union lp_type type);
+lp_build_elem_type(struct lp_type type);
 
 
 LLVMTypeRef
-lp_build_vec_type(union lp_type type);
+lp_build_vec_type(struct lp_type type);
 
 
 boolean
-lp_check_elem_type(union lp_type type, LLVMTypeRef elem_type);
+lp_check_elem_type(struct lp_type type, LLVMTypeRef elem_type);
 
 
 boolean
-lp_check_vec_type(union lp_type type, LLVMTypeRef vec_type);
+lp_check_vec_type(struct lp_type type, LLVMTypeRef vec_type);
 
 
 boolean
-lp_check_value(union lp_type type, LLVMValueRef val);
+lp_check_value(struct lp_type type, LLVMValueRef val);
 
 
 LLVMTypeRef
-lp_build_int_elem_type(union lp_type type);
+lp_build_int_elem_type(struct lp_type type);
 
 
 LLVMTypeRef
-lp_build_int_vec_type(union lp_type type);
+lp_build_int_vec_type(struct lp_type type);
+
+
+struct lp_type
+lp_int_type(struct lp_type type);
+
+
+struct lp_type
+lp_wider_type(struct lp_type type);
 
 
 void
 lp_build_context_init(struct lp_build_context *bld,
                       LLVMBuilderRef builder,
-                      union lp_type type);
+                      struct lp_type type);
 
 
 #endif /* !LP_BLD_TYPE_H */