diff options
author | Michal Krol <mjkrol@gmail.org> | 2006-08-02 14:44:46 +0000 |
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committer | Michal Krol <mjkrol@gmail.org> | 2006-08-02 14:44:46 +0000 |
commit | 3b5e02cc7cecc88887da0bda009d828b124499a2 (patch) | |
tree | 55718f774faab0397443c4a920b0040c05578de7 /src/mesa/shader/slang/library/slang_builtin_vec4.gc | |
parent | 60ba2d88b31b4858c019b41c982ca83ab5880dde (diff) |
Add vec4 extension.
Diffstat (limited to 'src/mesa/shader/slang/library/slang_builtin_vec4.gc')
-rwxr-xr-x | src/mesa/shader/slang/library/slang_builtin_vec4.gc | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/library/slang_builtin_vec4.gc b/src/mesa/shader/slang/library/slang_builtin_vec4.gc new file mode 100755 index 0000000000..d549c0133a --- /dev/null +++ b/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; +} + |