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Commit a22fad93 authored by Rhys Weatherley's avatar Rhys Weatherley
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Update GLSL system library definitions

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share/qtcreator/glsl/glsl_120.frag
+ 42
− 0
View file @ a22fad93
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
// Fragment shader special variables.
vec4 gl_FragCoord;
......@@ -12,3 +40,17 @@ varying vec4 gl_SecondaryColor;
varying vec4 gl_TexCoord[];
varying float gl_FogFragCoord;
varying vec2 gl_PointCoord;
// Fragment processing functions.
float dFdx(float p);
vec2 dFdx(vec2 p);
vec3 dFdx(vec3 p);
vec4 dFdx(vec4 p);
float dFdy(float p);
vec2 dFdy(vec2 p);
vec3 dFdy(vec3 p);
vec4 dFdy(vec4 p);
float fwidth(float p);
vec2 fwidth(vec2 p);
vec3 fwidth(vec3 p);
vec4 fwidth(vec4 p);
share/qtcreator/glsl/glsl_120.vert
+ 43
− 0
View file @ a22fad93
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
// Vertex shader special variables.
vec4 gl_Position;
......@@ -29,3 +57,18 @@ varying float gl_FogFragCoord;
// Common functions.
vec4 ftransform();
// Texture level-of-detail functions.
vec4 texture1DLod(sampler1D sampler, float coord, float lod);
vec4 texture1DProjLod(sampler1D sampler, vec2 coord, float lod);
vec4 texture1DProjLod(sampler1D sampler, vec4 coord, float lod);
vec4 texture2DLod(sampler2D sampler, vec2 coord, float lod);
vec4 texture2DProjLod(sampler2D sampler, vec3 coord, float lod);
vec4 texture2DProjLod(sampler2D sampler, vec4 coord, float lod);
vec4 texture3DLod(sampler3D sampler, vec3 coord, float lod);
vec4 texture3DProjLod(sampler3D sampler, vec4 coord, float lod);
vec4 textureCubeLod(samplerCube sampler, vec3 coord, float lod);
vec4 shadow1DLod(sampler1DShadow sampler, vec3 coord, float lod);
vec4 shadow2DLod(sampler2DShadow sampler, vec3 coord, float lod);
vec4 shadow1DProjLod(sampler1DShadow sampler, vec4 coord, float lod);
vec4 shadow2DProjLod(sampler2DShadow sampler, vec4 coord, float lod);
share/qtcreator/glsl/glsl_120_common.glsl
+ 248
− 42
View file @ a22fad93
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
// Built-in constants.
const int gl_MaxLights = 8;
......@@ -122,53 +150,181 @@ struct gl_FogParameters {
uniform gl_FogParameters gl_Fog;
// Angle and trigonometry functions.
genType radians(genType degress);
genType degrees(genType radians);
genType sin(genType angle);
genType cos(genType angle);
genType tan(genType angle);
genType asin(genType x);
genType acos(genType x);
genType atan(genType y, genType x);
genType atan(genType y_over_x);
float radians(float degress);
vec2 radians(vec2 degress);
vec3 radians(vec3 degress);
vec4 radians(vec4 degress);
float degrees(float radians);
vec2 degrees(vec2 radians);
vec3 degrees(vec3 radians);
vec4 degrees(vec4 radians);
float sin(float angle);
vec2 sin(vec2 angle);
vec3 sin(vec3 angle);
vec4 sin(vec4 angle);
float cos(float angle);
vec2 cos(vec2 angle);
vec3 cos(vec3 angle);
vec4 cos(vec4 angle);
float tan(float angle);
vec2 tan(vec2 angle);
vec3 tan(vec3 angle);
vec4 tan(vec4 angle);
float asin(float x);
vec2 asin(vec2 x);
vec3 asin(vec3 x);
vec4 asin(vec4 x);
float acos(float x);
vec2 acos(vec2 x);
vec3 acos(vec3 x);
vec4 acos(vec4 x);
float atan(float y, float x);
vec2 atan(vec2 y, vec2 x);
vec3 atan(vec3 y, vec3 x);
vec4 atan(vec4 y, vec4 x);
float atan(float y_over_x);
vec2 atan(vec2 y_over_x);
vec3 atan(vec3 y_over_x);
vec4 atan(vec4 y_over_x);
// Exponential functions.
genType pow(genType x, genType y);
genType exp(genType x);
genType log(genType x);
genType exp2(genType x);
genType log2(genType x);
genType sqrt(genType x);
genType inversesqrt(genType x);
float pow(float x, float y);
vec2 pow(vec2 x, vec2 y);
vec3 pow(vec3 x, vec3 y);
vec4 pow(vec4 x, vec4 y);
float exp(float x);
vec2 exp(vec2 x);
vec3 exp(vec3 x);
vec4 exp(vec4 x);
float log(float x);
vec2 log(vec2 x);
vec3 log(vec3 x);
vec4 log(vec4 x);
float exp2(float x);
vec2 exp2(vec2 x);
vec3 exp2(vec3 x);
vec4 exp2(vec4 x);
float log2(float x);
vec2 log2(vec2 x);
vec3 log2(vec3 x);
vec4 log2(vec4 x);
float sqrt(float x);
vec2 sqrt(vec2 x);
vec3 sqrt(vec3 x);
vec4 sqrt(vec4 x);
float inversesqrt(float x);
vec2 inversesqrt(vec2 x);
vec3 inversesqrt(vec3 x);
vec4 inversesqrt(vec4 x);
// Common functions.
genType abs(genType x);
genType sign(genType x);
genType floor(genType x);
genType ceil(genType x);
genType fract(genType x);
genType mod(genType x, float y);
genType mod(genType x, genType y);
genType min(genType x, float y);
genType min(genType x, genType y);
genType max(genType x, float y);
genType max(genType x, genType y);
genType clamp(genType x, genType minVal, genType maxVal);
genType clamp(genType x, float minVal, float maxVal);
genType mix(genType x, genType y, genType a);
genType mix(genType x, genType y, float a);
genType step(genType edge, genType x);
genType step(float edge, genType x);
genType smoothstep(genType edge0, genType edge1, genType x);
genType smoothstep(float edge0, float edge1, genType x);
float length(genType x);
float distance(genType p0, genType p1);
float dot(genType x, genType y);
float abs(float x);
vec2 abs(vec2 x);
vec3 abs(vec3 x);
vec4 abs(vec4 x);
float sign(float x);
vec2 sign(vec2 x);
vec3 sign(vec3 x);
vec4 sign(vec4 x);
float floor(float x);
vec2 floor(vec2 x);
vec3 floor(vec3 x);
vec4 floor(vec4 x);
float ceil(float x);
vec2 ceil(vec2 x);
vec3 ceil(vec3 x);
vec4 ceil(vec4 x);
float fract(float x);
vec2 fract(vec2 x);
vec3 fract(vec3 x);
vec4 fract(vec4 x);
float mod(float x, float y);
vec2 mod(vec2 x, float y);
vec3 mod(vec3 x, float y);
vec4 mod(vec4 x, float y);
float mod(float x, float y);
vec2 mod(vec2 x, vec2 y);
vec3 mod(vec3 x, vec3 y);
vec4 mod(vec4 x, vec4 y);
float min(float x, float y);
vec2 min(vec2 x, float y);
vec3 min(vec3 x, float y);
vec4 min(vec4 x, float y);
float min(float x, float y);
vec2 min(vec2 x, vec2 y);
vec3 min(vec3 x, vec3 y);
vec4 min(vec4 x, vec4 y);
float max(float x, float y);
vec2 max(vec2 x, float y);
vec3 max(vec3 x, float y);
vec4 max(vec4 x, float y);
float max(float x, float y);
vec2 max(vec2 x, vec2 y);
vec3 max(vec3 x, vec3 y);
vec4 max(vec4 x, vec4 y);
float clamp(float x, float minVal, float maxVal);
vec2 clamp(vec2 x, vec2 minVal, vec2 maxVal);
vec3 clamp(vec3 x, vec3 minVal, vec3 maxVal);
vec4 clamp(vec4 x, vec4 minVal, vec4 maxVal);
float clamp(float x, float minVal, float maxVal);
vec2 clamp(vec2 x, float minVal, float maxVal);
vec3 clamp(vec3 x, float minVal, float maxVal);
vec4 clamp(vec4 x, float minVal, float maxVal);
float mix(float x, float y, float a);
vec2 mix(vec2 x, vec2 y, vec2 a);
vec3 mix(vec3 x, vec3 y, vec3 a);
vec4 mix(vec4 x, vec4 y, vec4 a);
float mix(float x, float y, float a);
vec2 mix(vec2 x, vec2 y, float a);
vec3 mix(vec3 x, vec3 y, float a);
vec4 mix(vec4 x, vec4 y, float a);
float step(float edge, float x);
vec2 step(vec2 edge, vec2 x);
vec3 step(vec3 edge, vec3 x);
vec4 step(vec4 edge, vec4 x);
float step(float edge, float x);
vec2 step(float edge, vec2 x);
vec3 step(float edge, vec3 x);
vec4 step(float edge, vec4 x);
float smoothstep(float edge0, float edge1, float x);
vec2 smoothstep(vec2 edge0, vec2 edge1, vec2 x);
vec3 smoothstep(vec3 edge0, vec3 edge1, vec3 x);
vec4 smoothstep(vec4 edge0, vec4 edge1, vec4 x);
float smoothstep(float edge0, float edge1, float x);
vec2 smoothstep(float edge0, float edge1, vec2 x);
vec3 smoothstep(float edge0, float edge1, vec3 x);
vec4 smoothstep(float edge0, float edge1, vec4 x);
// Geometric functions.
float length(float x);
float length(vec2 x);
float length(vec3 x);
float length(vec4 x);
float distance(float p0, float p1);
float distance(vec2 p0, vec2 p1);
float distance(vec3 p0, vec3 p1);
float distance(vec4 p0, vec4 p1);
float dot(float x, float y);
float dot(vec2 x, vec2 y);
float dot(vec3 x, vec3 y);
float dot(vec4 x, vec4 y);
vec3 cross(vec3 x, vec3 y);
genType normalize(genType x);
genType faceforward(genType N, genType I, genType Nref);
genType reflect(genType I, genType N);
genType refract(genType I, genType N, float eta);
float normalize(float x);
vec2 normalize(vec2 x);
vec3 normalize(vec3 x);
vec4 normalize(vec4 x);
float faceforward(float N, float I, float Nref);
vec2 faceforward(vec2 N, vec2 I, vec2 Nref);
vec3 faceforward(vec3 N, vec3 I, vec3 Nref);
vec4 faceforward(vec4 N, vec4 I, vec4 Nref);
float reflect(float I, float N);
vec2 reflect(vec2 I, vec2 N);
vec3 reflect(vec3 I, vec3 N);
vec4 reflect(vec4 I, vec4 N);
float refract(float I, float N, float eta);
vec2 refract(vec2 I, vec2 N, float eta);
vec3 refract(vec3 I, vec3 N, float eta);
vec4 refract(vec4 I, vec4 N, float eta);
// Matrix functions.
mat2 matrixCompMult(mat2 x, mat2 y);
......@@ -251,3 +407,53 @@ bool all(bvec4 x);
bvec2 not(bvec2 x);
bvec3 not(bvec3 x);
bvec4 not(bvec4 x);
// Texture lookup functions.
vec4 texture1D(sampler1D sampler, float coord);
vec4 texture1D(sampler1D sampler, float coord, float bias);
vec4 texture1DProj(sampler1D sampler, vec2 coord);
vec4 texture1DProj(sampler1D sampler, vec2 coord, float bias);
vec4 texture1DProj(sampler1D sampler, vec4 coord);
vec4 texture1DProj(sampler1D sampler, vec4 coord, float bias);
vec4 texture2D(sampler2D sampler, vec2 coord);
vec4 texture2D(sampler2D sampler, vec2 coord, float bias);
vec4 texture2DProj(sampler2D sampler, vec3 coord);
vec4 texture2DProj(sampler2D sampler, vec3 coord, float bias);
vec4 texture2DProj(sampler2D sampler, vec4 coord);
vec4 texture2DProj(sampler2D sampler, vec4 coord, float bias);
vec4 texture3D(sampler3D sampler, vec3 coord);
vec4 texture3D(sampler3D sampler, vec3 coord, float bias);
vec4 texture3DProj(sampler3D sampler, vec4 coord);
vec4 texture3DProj(sampler3D sampler, vec4 coord, float bias);
vec4 textureCube(samplerCube sampler, vec3 coord);
vec4 textureCube(samplerCube sampler, vec3 coord, float bias);
vec4 shadow1D(sampler1DShadow sampler, vec3 coord);
vec4 shadow1D(sampler1DShadow sampler, vec3 coord, float bias);
vec4 shadow2D(sampler2DShadow sampler, vec3 coord);
vec4 shadow2D(sampler2DShadow sampler, vec3 coord, float bias);
vec4 shadow1DProj(sampler1DShadow sampler, vec4 coord);
vec4 shadow1DProj(sampler1DShadow sampler, vec4 coord, float bias);
vec4 shadow2DProj(sampler2DShadow sampler, vec4 coord);
vec4 shadow2DProj(sampler2DShadow sampler, vec4 coord, float bias);
// Noise functions.
float noise1(float x);
float noise1(vec2 x);
float noise1(vec3 x);
float noise1(vec4 x);
vec2 noise2(float x);
vec2 noise2(vec2 x);
vec2 noise2(vec3 x);
vec2 noise2(vec4 x);
vec3 noise3(float x);
vec3 noise3(vec2 x);
vec3 noise3(vec3 x);
vec3 noise3(vec4 x);
vec4 noise4(float x);
vec4 noise4(vec2 x);
vec4 noise4(vec3 x);
vec4 noise4(vec4 x);
share/qtcreator/glsl/glsl_es_100.frag 0 → 100644
+ 35
− 0
View file @ a22fad93
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
// Fragment shader special variables.
mediump vec4 gl_FragCoord;
bool gl_FrontFacing;
mediump vec4 gl_FragColor;
mediump vec4 gl_FragData[gl_MaxDrawBuffers];
mediump vec2 gl_PointCoord;
share/qtcreator/glsl/glsl_es_100.vert 0 → 100644
+ 38
− 0
View file @ a22fad93
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
// Vertex shader special variables.
highp vec4 gl_Position;
mediump float gl_PointSize;
// Texture level-of-detail functions.
vec4 texture2DLod(sampler2D sampler, vec2 coord, float lod);
vec4 texture2DProjLod(sampler2D sampler, vec3 coord, float lod);
vec4 texture2DProjLod(sampler2D sampler, vec4 coord, float lod);
vec4 textureCubeLod(samplerCube sampler, vec3 coord, float lod);
share/qtcreator/glsl/glsl_es_100_common.glsl 0 → 100644
+ 292
− 0
View file @ a22fad93
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
// Built-in constants.
const mediump int gl_MaxVertexAttribs = 8;
const mediump int gl_MaxVertexUniformVectors = 128;
const mediump int gl_MaxVaryingVectors = 8;
const mediump int gl_MaxVertexTextureImageUnits = 0;
const mediump int gl_MaxCombinedTextureImageUnits = 8;
const mediump int gl_MaxTextureImageUnits = 8;
const mediump int gl_MaxFragmentUniformVectors = 16;
const mediump int gl_MaxDrawBuffers = 1;
// Built-in uniform state.
struct gl_DepthRangeParameters {
highp float near;
highp float far;
highp float diff;
};
uniform gl_DepthRangeParameters gl_DepthRange;
// Angle and trigonometry functions.
float radians(float degress);
vec2 radians(vec2 degress);
vec3 radians(vec3 degress);
vec4 radians(vec4 degress);
float degrees(float radians);
vec2 degrees(vec2 radians);
vec3 degrees(vec3 radians);
vec4 degrees(vec4 radians);
float sin(float angle);
vec2 sin(vec2 angle);
vec3 sin(vec3 angle);
vec4 sin(vec4 angle);
float cos(float angle);
vec2 cos(vec2 angle);
vec3 cos(vec3 angle);
vec4 cos(vec4 angle);
float tan(float angle);
vec2 tan(vec2 angle);
vec3 tan(vec3 angle);
vec4 tan(vec4 angle);
float asin(float x);
vec2 asin(vec2 x);
vec3 asin(vec3 x);
vec4 asin(vec4 x);
float acos(float x);
vec2 acos(vec2 x);
vec3 acos(vec3 x);
vec4 acos(vec4 x);
float atan(float y, float x);
vec2 atan(vec2 y, vec2 x);
vec3 atan(vec3 y, vec3 x);
vec4 atan(vec4 y, vec4 x);
float atan(float y_over_x);
vec2 atan(vec2 y_over_x);
vec3 atan(vec3 y_over_x);
vec4 atan(vec4 y_over_x);
// Exponential functions.
float pow(float x, float y);
vec2 pow(vec2 x, vec2 y);
vec3 pow(vec3 x, vec3 y);
vec4 pow(vec4 x, vec4 y);
float exp(float x);
vec2 exp(vec2 x);
vec3 exp(vec3 x);
vec4 exp(vec4 x);
float log(float x);
vec2 log(vec2 x);
vec3 log(vec3 x);
vec4 log(vec4 x);
float exp2(float x);
vec2 exp2(vec2 x);
vec3 exp2(vec3 x);
vec4 exp2(vec4 x);
float log2(float x);
vec2 log2(vec2 x);
vec3 log2(vec3 x);
vec4 log2(vec4 x);
float sqrt(float x);
vec2 sqrt(vec2 x);
vec3 sqrt(vec3 x);
vec4 sqrt(vec4 x);
float inversesqrt(float x);
vec2 inversesqrt(vec2 x);
vec3 inversesqrt(vec3 x);
vec4 inversesqrt(vec4 x);
// Common functions.
float abs(float x);
vec2 abs(vec2 x);
vec3 abs(vec3 x);
vec4 abs(vec4 x);
float sign(float x);
vec2 sign(vec2 x);
vec3 sign(vec3 x);
vec4 sign(vec4 x);
float floor(float x);
vec2 floor(vec2 x);
vec3 floor(vec3 x);
vec4 floor(vec4 x);
float ceil(float x);
vec2 ceil(vec2 x);
vec3 ceil(vec3 x);
vec4 ceil(vec4 x);
float fract(float x);
vec2 fract(vec2 x);
vec3 fract(vec3 x);
vec4 fract(vec4 x);
float mod(float x, float y);
vec2 mod(vec2 x, float y);
vec3 mod(vec3 x, float y);
vec4 mod(vec4 x, float y);
float mod(float x, float y);
vec2 mod(vec2 x, vec2 y);
vec3 mod(vec3 x, vec3 y);
vec4 mod(vec4 x, vec4 y);
float min(float x, float y);
vec2 min(vec2 x, float y);
vec3 min(vec3 x, float y);
vec4 min(vec4 x, float y);
float min(float x, float y);
vec2 min(vec2 x, vec2 y);
vec3 min(vec3 x, vec3 y);
vec4 min(vec4 x, vec4 y);
float max(float x, float y);
vec2 max(vec2 x, float y);
vec3 max(vec3 x, float y);
vec4 max(vec4 x, float y);
float max(float x, float y);
vec2 max(vec2 x, vec2 y);
vec3 max(vec3 x, vec3 y);
vec4 max(vec4 x, vec4 y);
float clamp(float x, float minVal, float maxVal);
vec2 clamp(vec2 x, vec2 minVal, vec2 maxVal);
vec3 clamp(vec3 x, vec3 minVal, vec3 maxVal);
vec4 clamp(vec4 x, vec4 minVal, vec4 maxVal);
float clamp(float x, float minVal, float maxVal);
vec2 clamp(vec2 x, float minVal, float maxVal);
vec3 clamp(vec3 x, float minVal, float maxVal);
vec4 clamp(vec4 x, float minVal, float maxVal);
float mix(float x, float y, float a);
vec2 mix(vec2 x, vec2 y, vec2 a);
vec3 mix(vec3 x, vec3 y, vec3 a);
vec4 mix(vec4 x, vec4 y, vec4 a);
float mix(float x, float y, float a);
vec2 mix(vec2 x, vec2 y, float a);
vec3 mix(vec3 x, vec3 y, float a);
vec4 mix(vec4 x, vec4 y, float a);
float step(float edge, float x);
vec2 step(vec2 edge, vec2 x);
vec3 step(vec3 edge, vec3 x);
vec4 step(vec4 edge, vec4 x);
float step(float edge, float x);
vec2 step(float edge, vec2 x);
vec3 step(float edge, vec3 x);
vec4 step(float edge, vec4 x);
float smoothstep(float edge0, float edge1, float x);
vec2 smoothstep(vec2 edge0, vec2 edge1, vec2 x);
vec3 smoothstep(vec3 edge0, vec3 edge1, vec3 x);
vec4 smoothstep(vec4 edge0, vec4 edge1, vec4 x);
float smoothstep(float edge0, float edge1, float x);
vec2 smoothstep(float edge0, float edge1, vec2 x);
vec3 smoothstep(float edge0, float edge1, vec3 x);
vec4 smoothstep(float edge0, float edge1, vec4 x);
// Geometric functions.
float length(float x);
float length(vec2 x);
float length(vec3 x);
float length(vec4 x);
float distance(float p0, float p1);
float distance(vec2 p0, vec2 p1);
float distance(vec3 p0, vec3 p1);
float distance(vec4 p0, vec4 p1);
float dot(float x, float y);
float dot(vec2 x, vec2 y);
float dot(vec3 x, vec3 y);
float dot(vec4 x, vec4 y);
vec3 cross(vec3 x, vec3 y);
float normalize(float x);
vec2 normalize(vec2 x);
vec3 normalize(vec3 x);
vec4 normalize(vec4 x);
float faceforward(float N, float I, float Nref);
vec2 faceforward(vec2 N, vec2 I, vec2 Nref);
vec3 faceforward(vec3 N, vec3 I, vec3 Nref);
vec4 faceforward(vec4 N, vec4 I, vec4 Nref);
float reflect(float I, float N);
vec2 reflect(vec2 I, vec2 N);
vec3 reflect(vec3 I, vec3 N);
vec4 reflect(vec4 I, vec4 N);
float refract(float I, float N, float eta);
vec2 refract(vec2 I, vec2 N, float eta);
vec3 refract(vec3 I, vec3 N, float eta);
vec4 refract(vec4 I, vec4 N, float eta);
// Matrix functions.
mat2 matrixCompMult(mat2 x, mat2 y);
mat3 matrixCompMult(mat3 x, mat3 y);
mat4 matrixCompMult(mat4 x, mat4 y);
// Vector relational functions.
bvec2 lessThan(vec2 x, vec2 y);
bvec2 lessThan(ivec2 x, ivec2 y);
bvec3 lessThan(vec3 x, vec3 y);
bvec3 lessThan(ivec3 x, ivec3 y);
bvec4 lessThan(vec4 x, vec4 y);
bvec4 lessThan(ivec4 x, ivec4 y);
bvec2 lessThanEqual(vec2 x, vec2 y);
bvec2 lessThanEqual(ivec2 x, ivec2 y);
bvec3 lessThanEqual(vec3 x, vec3 y);
bvec3 lessThanEqual(ivec3 x, ivec3 y);
bvec4 lessThanEqual(vec4 x, vec4 y);
bvec4 lessThanEqual(ivec4 x, ivec4 y);
bvec2 greaterThan(vec2 x, vec2 y);
bvec2 greaterThan(ivec2 x, ivec2 y);
bvec3 greaterThan(vec3 x, vec3 y);
bvec3 greaterThan(ivec3 x, ivec3 y);
bvec4 greaterThan(vec4 x, vec4 y);
bvec4 greaterThan(ivec4 x, ivec4 y);
bvec2 greaterThanEqual(vec2 x, vec2 y);
bvec2 greaterThanEqual(ivec2 x, ivec2 y);
bvec3 greaterThanEqual(vec3 x, vec3 y);
bvec3 greaterThanEqual(ivec3 x, ivec3 y);
bvec4 greaterThanEqual(vec4 x, vec4 y);
bvec4 greaterThanEqual(ivec4 x, ivec4 y);
bvec2 equal(vec2 x, vec2 y);
bvec2 equal(ivec2 x, ivec2 y);
bvec2 equal(bvec2 x, bvec2 y);
bvec3 equal(vec3 x, vec3 y);
bvec3 equal(ivec3 x, ivec3 y);
bvec3 equal(bvec3 x, bvec3 y);
bvec4 equal(vec4 x, vec4 y);
bvec4 equal(ivec4 x, ivec4 y);
bvec4 equal(bvec4 x, bvec4 y);
bvec2 notEqual(vec2 x, vec2 y);
bvec2 notEqual(ivec2 x, ivec2 y);
bvec2 notEqual(bvec2 x, bvec2 y);
bvec3 notEqual(vec3 x, vec3 y);
bvec3 notEqual(ivec3 x, ivec3 y);
bvec3 notEqual(bvec3 x, bvec3 y);
bvec4 notEqual(vec4 x, vec4 y);
bvec4 notEqual(ivec4 x, ivec4 y);
bvec4 notEqual(bvec4 x, bvec4 y);
bool any(bvec2 x);
bool any(bvec3 x);
bool any(bvec4 x);
bool all(bvec2 x);
bool all(bvec3 x);
bool all(bvec4 x);
bvec2 not(bvec2 x);
bvec3 not(bvec3 x);
bvec4 not(bvec4 x);
// Texture lookup functions.
vec4 texture2D(sampler2D sampler, vec2 coord);
vec4 texture2D(sampler2D sampler, vec2 coord, float bias);
vec4 texture2DProj(sampler2D sampler, vec3 coord);
vec4 texture2DProj(sampler2D sampler, vec3 coord, float bias);
vec4 texture2DProj(sampler2D sampler, vec4 coord);
vec4 texture2DProj(sampler2D sampler, vec4 coord, float bias);
vec4 textureCube(samplerCube sampler, vec3 coord);
vec4 textureCube(samplerCube sampler, vec3 coord, float bias);
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