Add vec4 extension.

src/mesa/shader/slang/library/gc_to_bin.c

@@ -32,7 +32,7 @@ static void gc_to_bin (grammar id, const char *in, const char *out)
 
 	f = fopen (out, "w");
 	fprintf (f, "\n");
-	fprintf (f, "/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */\n");
+	fprintf (f, "/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */\n");
 	fprintf (f, "/* %s */\n", in);
 	fprintf (f, "\n");
 	for (i = 0; i < size; i++)
@@ -75,6 +75,7 @@ int main ()
 	gc_to_bin (id, "slang_core.gc", "slang_core_gc.h");
 	gc_to_bin (id, "slang_common_builtin.gc", "slang_common_builtin_gc.h");
 	gc_to_bin (id, "slang_fragment_builtin.gc", "slang_fragment_builtin_gc.h");
+   gc_to_bin (id, "slang_builtin_vec4.gc", "slang_builtin_vec4_gc.h");
 
 	grammar_set_reg8 (id, (const byte *) "shader_type", 2);
 	gc_to_bin (id, "slang_vertex_builtin.gc", "slang_vertex_builtin_gc.h");

src/mesa/shader/slang/library/slang_builtin_vec4.gc

@@ -0,0 +1,220 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5
+ *
+ * Copyright (C) 2006  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+//
+// This file overrides most of the standard built-in functions that operate on vec4 data type.
+// This file also overrides most commonly used functions that do not neccessarily operate
+// on vec4 data type, like dot(vec3,vec3). Those are adapted to vec4 instructions and are believed
+// to execute faster.
+// This file replaces parts of the core.gc and common.gc, so it must be included somewhere after
+// the common.gc file.
+// 
+// Assembly instructions required:
+//   float_to_vec4
+//   vec4_add
+//   vec4_subtract
+//   vec4_multiply
+//   vec4_divide
+//   vec4_negate
+//   vec4_dot
+//
+
+
+vec4 __constructor (const float f) {
+    vec4 v;
+    __asm float_to_vec4 v, f;
+    return v;
+}
+
+
+void __operator += (inout vec4 v, const vec4 u) {
+    __asm vec4_add v, u;
+}
+
+void __operator -= (inout vec4 v, const vec4 u) {
+    __asm vec4_subtract v, u;
+}
+
+void __operator *= (inout vec4 v, const vec4 u) {
+    __asm vec4_multiply v, u;
+}
+
+void __operator /= (inout vec4 v, const vec4 u) {
+    __asm vec4_divide v, u;
+}
+
+
+void __operator += (inout vec4 v, const float a) {
+    vec4 u;
+    __asm float_to_vec4 u, a;
+    __asm vec4_add      v, u;
+}
+
+void __operator -= (inout vec4 v, const float a) {
+    vec4 u;
+    __asm float_to_vec4 u, a;
+    __asm vec4_subtract v, u;
+}
+
+void __operator *= (inout vec4 v, const float a) {
+    vec4 u;
+    __asm float_to_vec4 u, a;
+    __asm vec4_multiply v, u;
+}
+
+void __operator /= (inout vec4 v, const float a) {
+    vec4 u;
+    __asm float_to_vec4 u, a;
+    __asm vec4_divide   v, u;
+}
+
+
+vec4 __operator + (vec4 v, const vec4 u) {
+    __asm vec4_add v, u;
+    return v;
+}
+
+vec4 __operator - (vec4 v, const vec4 u) {
+    __asm vec4_subtract v, u;
+    return v;
+}
+
+vec4 __operator * (vec4 v, const vec4 u) {
+    __asm vec4_multiply v, u;
+    return v;
+}
+
+vec4 __operator / (vec4 v, const vec4 u) {
+    __asm vec4_divide v, u;
+    return v;
+}
+
+
+vec4 __operator + (const float a, const vec4 u) {
+    vec4 v;
+    __asm float_to_vec4 v, a;
+    __asm vec4_add      v, u;
+    return v;
+}
+
+vec4 __operator + (const vec4 v, const float b) {
+    vec4 u;
+    __asm float_to_vec4 u, b;
+    __asm vec4_add      u, v;
+    return u;
+}
+
+vec4 __operator - (const float a, const vec4 u) {
+    vec4 v;
+    __asm float_to_vec4 v, a;
+    __asm vec4_subtract v, u;
+    return v;
+}
+
+vec4 __operator - (vec4 v, const float b) {
+    vec4 u;
+    __asm float_to_vec4 u, b;
+    __asm vec4_subtract v, u;
+    return v;
+}
+
+vec4 __operator * (const float a, const vec4 u) {
+    vec4 v;
+    __asm float_to_vec4 v, a;
+    __asm vec4_multiply v, u;
+    return v;
+}
+
+vec4 __operator * (const vec4 v, const float b) {
+    vec4 u;
+    __asm float_to_vec4 u, b;
+    __asm vec4_multiply u, v;
+    return u;
+}
+
+vec4 __operator / (const float a, const vec4 u) {
+    vec4 v;
+    __asm float_to_vec4 v, a;
+    __asm vec4_divide   v, u;
+    return v;
+}
+
+vec4 __operator / (vec4 v, const float b) {
+    vec4 u;
+    __asm float_to_vec4 u, b;
+    __asm vec4_divide   v, u;
+    return v;
+}
+
+
+vec4 __operator - (vec4 v) {
+    __asm vec4_negate v;
+    return v;
+}
+
+
+float dot (vec3 v, vec3 u) {
+    vec4 v4 = vec4 (v, 0.0);
+    vec4 u4 = vec4 (u, 0.0);
+    __asm vec4_dot v4, u4;
+    return v4.x;
+}
+
+float dot (vec4 v, vec4 u) {
+    __asm vec4_dot v, u;
+    return v.x;
+}
+
+
+float length (vec3 v) {
+    vec4 u = vec4 (v, 0.0);
+    __asm vec4_dot u, u;
+    return sqrt (u.x);
+}
+
+float length (vec4 v) {
+    __asm vec4_dot v, v;
+    return sqrt (v.x);
+}
+
+
+vec3 normalize (vec3 v) {
+    vec4 u = vec4 (v, 0.0);
+    vec4 w = u;
+    __asm vec4_dot      u, u;
+    float l = sqrt (u.x);
+    __asm float_to_vec4 u, l;
+    __asm vec4_divide   w, u;
+    return w.xyz;
+}
+
+vec4 normalize (vec4 v) {
+    vec4 w = v;
+    __asm vec4_dot      v, v;
+    float l = sqrt (v.x);
+    __asm float_to_vec4 v, l;
+    __asm vec4_divide   w, v;
+    return w;
+}
+

src/mesa/shader/slang/library/slang_builtin_vec4_gc.h

@@ -0,0 +1,62 @@
+
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
+/* slang_builtin_vec4.gc */
+
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src/mesa/shader/slang/library/slang_common_builtin_gc.h

@@ -1,5 +1,5 @@
 
-/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
 /* slang_common_builtin.gc */
 
 3,2,2,1,5,1,103,108,95,77,97,120,76,105,103,104,116,115,0,2,16,10,56,0,0,0,2,2,1,5,1,103,108,95,77,

src/mesa/shader/slang/library/slang_core_gc.h

@@ -1,5 +1,5 @@
 
-/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
 /* slang_core.gc */
 
 3,1,0,5,1,1,1,0,9,102,0,0,0,1,3,2,0,5,1,105,0,0,0,4,102,108,111,97,116,95,116,111,95,105,110,116,0,

src/mesa/shader/slang/library/slang_fragment_builtin_gc.h

@@ -1,5 +1,5 @@
 
-/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
 /* slang_fragment_builtin.gc */
 
 3,2,2,6,12,1,103,108,95,70,114,97,103,67,111,111,114,100,0,0,0,2,2,6,1,1,103,108,95,70,114,111,110,

src/mesa/shader/slang/library/slang_vertex_builtin_gc.h

@@ -1,5 +1,5 @@
 
-/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED FROM THE FOLLOWING FILE: */
 /* slang_vertex_builtin.gc */
 
 3,2,2,5,12,1,103,108,95,80,111,115,105,116,105,111,110,0,0,0,2,2,5,9,1,103,108,95,80,111,105,110,