slang_builtin_120_common.gc

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/*
 * Mesa 3-D graphics library
 * Version:  6.6
 *
 * 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.
 */

//
// From Shader Spec, ver. 1.20, rev. 6
//

//
// 8.5 Matrix Functions
//

mat2x3 matrixCompMult (mat2x3 m, mat2x3 n) {
    return mat2x3 (m[0] * n[0], m[1] * n[1]);
}

mat2x4 matrixCompMult (mat2x4 m, mat2x4 n) {
    return mat2x4 (m[0] * n[0], m[1] * n[1]);
}

mat3x2 matrixCompMult (mat3x2 m, mat3x2 n) {
    return mat3x2 (m[0] * n[0], m[1] * n[1], m[2] * n[2]);
}

mat3x4 matrixCompMult (mat3x4 m, mat3x4 n) {
    return mat3x4 (m[0] * n[0], m[1] * n[1], m[2] * n[2]);
}

mat4x2 matrixCompMult (mat4x2 m, mat4x2 n) {
    return mat4x2 (m[0] * n[0], m[1] * n[1], m[2] * n[2], m[3] * n[3]);
}

mat4x3 matrixCompMult (mat4x3 m, mat4x3 n) {
    return mat4x3 (m[0] * n[0], m[1] * n[1], m[2] * n[2], m[3] * n[3]);
}

mat2 outerProduct (vec2 c, vec2 r) {
    return mat2 (
        c.x * r.x, c.y * r.x,
        c.x * r.y, c.y * r.y
    );
}

mat3 outerProduct (vec3 c, vec3 r) {
    return mat3 (
        c.x * r.x, c.y * r.x, c.z * r.x,
        c.x * r.y, c.y * r.y, c.z * r.y,
        c.x * r.z, c.y * r.z, c.z * r.z
    );
}

mat4 outerProduct (vec4 c, vec4 r) {
    return mat4 (
        c.x * r.x, c.y * r.x, c.z * r.x, c.w * r.x,
        c.x * r.y, c.y * r.y, c.z * r.y, c.w * r.y,
        c.x * r.z, c.y * r.z, c.z * r.z, c.w * r.z,
        c.x * r.w, c.y * r.w, c.z * r.w, c.w * r.w
    );
}

mat2x3 outerProduct (vec3 c, vec2 r) {
    return mat2x3 (
        c.x * r.x, c.y * r.x, c.z * r.x,
        c.x * r.y, c.y * r.y, c.z * r.y
    );
}

mat3x2 outerProduct (vec2 c, vec3 r) {
    return mat3x2 (
        c.x * r.x, c.y * r.x,
        c.x * r.y, c.y * r.y,
        c.x * r.z, c.y * r.z
    );
}

mat2x4 outerProduct (vec4 c, vec2 r) {
    return mat2x4 (
        c.x * r.x, c.y * r.x, c.z * r.x, c.w * r.x,
        c.x * r.y, c.y * r.y, c.z * r.y, c.w * r.y
    );
}

mat4x2 outerProduct (vec2 c, vec4 r) {
    return mat4x2 (
        c.x * r.x, c.y * r.x,
        c.x * r.y, c.y * r.y,
        c.x * r.z, c.y * r.z,
        c.x * r.w, c.y * r.w
    );
}

mat3x4 outerProduct (vec4 c, vec3 r) {
    return mat3x4 (
        c.x * r.x, c.y * r.x, c.z * r.x, c.w * r.x,
        c.x * r.y, c.y * r.y, c.z * r.y, c.w * r.y,
        c.x * r.z, c.y * r.z, c.z * r.z, c.w * r.z
    );
}

mat4x3 outerProduct (vec3 c, vec4 r) {
    return mat4x3 (
        c.x * r.x, c.y * r.x, c.z * r.x,
        c.x * r.y, c.y * r.y, c.z * r.y,
        c.x * r.z, c.y * r.z, c.z * r.z,
        c.x * r.w, c.y * r.w, c.z * r.w
    );
}

mat2 transpose (mat2 m) {
    return mat2 (
        m[0].x, m[1].x,
        m[0].y, m[1].y
    );
}

mat3 transpose (mat3 m) {
    return mat3 (
        m[0].x, m[1].x, m[2].x,
        m[0].y, m[1].y, m[2].y,
        m[0].z, m[1].z, m[2].z
    );
}

mat4 transpose (mat4 m) {
    return mat4 (
        m[0].x, m[1].x, m[2].x, m[3].x,
        m[0].y, m[1].y, m[2].y, m[3].y,
        m[0].z, m[1].z, m[2].z, m[3].z,
        m[0].w, m[1].w, m[2].w, m[3].w
    );
}

mat2x3 transpose (mat3x2 m) {
    return mat2x3 (
        m[0].x, m[1].x, m[2].x,
        m[0].y, m[1].y, m[2].y
    );
}

mat3x2 transpose (mat2x3 m) {
    return mat3x2 (
        m[0].x, m[1].x,
        m[0].y, m[1].y,
        m[0].z, m[1].z
    );
}

mat2x4 transpose (mat4x2 m) {
    return mat2x4 (
        m[0].x, m[1].x, m[2].x, m[3].x,
        m[0].y, m[1].y, m[2].y, m[3].y
    );
}

mat4x2 transpose (mat2x4 m) {
    return mat4x2 (
        m[0].x, m[1].x,
        m[0].y, m[1].y,
        m[0].z, m[1].z,
        m[0].w, m[1].w
    );
}

mat3x4 transpose (mat4x3 m) {
    return mat3x4 (
        m[0].x, m[1].x, m[2].x, m[3].x,
        m[0].y, m[1].y, m[2].y, m[3].y,
        m[0].z, m[1].z, m[2].z, m[3].z
    );
}

mat4x3 transpose (mat3x4 m) {
    return mat4x3 (
        m[0].x, m[1].x, m[2].x,
        m[0].y, m[1].y, m[2].y,
        m[0].z, m[1].z, m[2].z,
        m[0].w, m[1].w, m[2].w
    );
}