bgfx/3rdparty/glsl-optimizer/tests/vertex/z-treeleaf-inES3.txt

#version 300 es

struct appdata_full {
    highp vec4 vertex;
    highp vec4 tangent;
    highp vec3 normal;
    highp vec4 texcoord;
    highp vec4 texcoord1;
    highp vec4 color;
};
struct v2f_surf {
    highp vec4 pos;
    highp vec2 hip_pack0;
    highp vec4 lop_color;
    highp vec3 lightDir;
    highp vec3 viewDir;
    highp vec2 _LightCoord;
};
uniform highp mat4 _LightMatrix0;
uniform highp vec4 _MainTex_ST;
uniform highp mat4 _Object2World;
uniform highp vec4 _Scale;
uniform highp float _SquashAmount;
uniform highp vec4 _SquashPlaneNormal;
uniform highp vec4 _Time;
uniform highp vec4 _Wind;
uniform highp mat4 _World2Object;
uniform highp vec3 _WorldSpaceCameraPos;
uniform highp vec4 _WorldSpaceLightPos0;
uniform highp mat4 glstate_matrix_invtrans_modelview0;
uniform highp mat4 glstate_matrix_mvp;
uniform highp vec4 unity_Scale;
highp vec4 Squash( in highp vec4 pos );
void ExpandBillboard( in highp mat4 mat, inout highp vec4 pos, inout highp vec3 normal, inout highp vec4 tangent );
highp vec4 TriangleWave( in highp vec4 x );
highp vec4 SmoothCurve( in highp vec4 x );
highp vec4 SmoothTriangleWave( in highp vec4 x );
highp vec4 AnimateVertex( in highp vec4 pos, in highp vec3 normal, in highp vec4 animParams );
void TreeVertLeaf( inout appdata_full v );
highp vec3 ObjSpaceViewDir( in highp vec4 v );
highp vec3 ObjSpaceLightDir( in highp vec4 v );
v2f_surf xlat_main( in appdata_full v );
highp vec4 Squash( in highp vec4 pos ) {
    highp vec3 planeNormal;
    highp vec3 projectedVertex;
    planeNormal = _SquashPlaneNormal.xyz ;
    projectedVertex = (pos.xyz  - ((dot( planeNormal, vec3( pos)) + _SquashPlaneNormal.w ) * planeNormal));
    pos = vec4( mix( projectedVertex, pos.xyz , vec3( _SquashAmount)), 1.00000);
    return pos;
}
void ExpandBillboard( in highp mat4 mat, inout highp vec4 pos, inout highp vec3 normal, inout highp vec4 tangent ) {
    highp float isBillboard;
    highp vec3 norb;
    highp vec3 tanb;
    isBillboard = (1.00000 - abs( tangent.w  ));
    norb = vec3( normalize( ( vec4( normal, 0.000000) * mat ) ));
    tanb = vec3( normalize( ( vec4( tangent.xyz , 0.000000) * mat ) ));
    pos += (( vec4( normal.xy , 0.000000, 0.000000) * mat ) * isBillboard);
    normal = mix( normal, norb, vec3( isBillboard));
    tangent = mix( tangent, vec4( tanb, -1.00000), vec4( isBillboard));
}
highp vec4 TriangleWave( in highp vec4 x ) {
    return abs( ((fract( (x + 0.500000) ) * 2.00000) - 1.00000) );
}
highp vec4 SmoothCurve( in highp vec4 x ) {
    return ((x * x) * (3.00000 - (2.00000 * x)));
}
highp vec4 SmoothTriangleWave( in highp vec4 x ) {
    return SmoothCurve( TriangleWave( x));
}
highp vec4 AnimateVertex( in highp vec4 pos, in highp vec3 normal, in highp vec4 animParams ) {
    highp float fDetailAmp = 0.100000;
    highp float fBranchAmp = 0.300000;
    highp float fObjPhase;
    highp float fBranchPhase;
    highp float fVtxPhase;
    highp vec2 vWavesIn;
    highp vec4 vWaves;
    highp vec2 vWavesSum;
    highp vec3 bend;
    fObjPhase = dot( _Object2World[ 3 ].xyz , vec3( 1.00000));
    fBranchPhase = (fObjPhase + animParams.x );
    fVtxPhase = dot( pos.xyz , vec3( (animParams.y  + fBranchPhase)));
    vWavesIn = (_Time.yy  + vec2( fVtxPhase, fBranchPhase));
    vWaves = ((fract( (vWavesIn.xxyy  * vec4( 1.97500, 0.793000, 0.375000, 0.193000)) ) * 2.00000) - 1.00000);
    vWaves = SmoothTriangleWave( vWaves);
    vWavesSum = (vWaves.xz  + vWaves.yw );
    bend = ((animParams.y  * fDetailAmp) * normal.xyz );
    bend.y  = (animParams.w  * fBranchAmp);
    pos.xyz  += (((vWavesSum.xyx  * bend) + ((_Wind.xyz  * vWavesSum.y ) * animParams.w )) * _Wind.w );
    pos.xyz  += (animParams.z  * _Wind.xyz );
    return pos;
}
void TreeVertLeaf( inout appdata_full v ) {
    ExpandBillboard( glstate_matrix_invtrans_modelview0, v.vertex, v.normal, v.tangent);
    v.vertex.xyz  *= _Scale.xyz ;
    v.vertex = AnimateVertex( v.vertex, v.normal, vec4( v.color.xy , v.texcoord1.xy ));
    v.vertex = Squash( v.vertex);
    v.color = vec4( 1.00000, 1.00000, 1.00000, v.color.w );
    v.normal = normalize( v.normal );
    v.tangent.xyz  = normalize( v.tangent.xyz  );
}
highp vec3 ObjSpaceViewDir( in highp vec4 v ) {
    highp vec3 objSpaceCameraPos;
    objSpaceCameraPos = (( _World2Object * vec4( _WorldSpaceCameraPos.xyz , 1.00000) ).xyz  * unity_Scale.w );
    return (objSpaceCameraPos - v.xyz );
}
highp vec3 ObjSpaceLightDir( in highp vec4 v ) {
    highp vec3 objSpaceLightPos;
    objSpaceLightPos = ( _World2Object * _WorldSpaceLightPos0 ).xyz ;
    return objSpaceLightPos.xyz ;
}
v2f_surf xlat_main( in appdata_full v ) {
    v2f_surf o;
    highp vec3 binormal;
    highp mat3 rotation;
    TreeVertLeaf( v);
    o.pos = ( glstate_matrix_mvp * v.vertex );
    o.hip_pack0.xy  = ((v.texcoord.xy  * _MainTex_ST.xy ) + _MainTex_ST.zw );
    o.lop_color = v.color;
    binormal = (cross( v.normal, v.tangent.xyz ) * v.tangent.w );
    rotation = mat3( v.tangent.x , binormal.x , v.normal.x , v.tangent.y , binormal.y , v.normal.y , v.tangent.z , binormal.z , v.normal.z );
    o.lightDir = ( rotation * ObjSpaceLightDir( v.vertex) );
    o.viewDir = ( rotation * ObjSpaceViewDir( v.vertex) );
    o._LightCoord = ( _LightMatrix0 * ( _Object2World * v.vertex ) ).xy ;
    return o;
}
in highp vec4 _inVertex;
in mediump vec3 _inNormal;
in highp vec4 _uv0;
in highp vec4 _uv1;
in lowp vec4 _color;
in mediump vec4 TANGENT;
out highp vec2 xlv_TEXCOORD0;
out lowp vec4 xlv_COLOR0;
out mediump vec3 xlv_TEXCOORD1;
out mediump vec3 xlv_TEXCOORD2;
out mediump vec2 xlv_TEXCOORD3;
void main() {
    v2f_surf xl_retval;
    appdata_full xlt_v;
    xlt_v.vertex = _inVertex;
    xlt_v.tangent = vec4( TANGENT);
    xlt_v.normal = _inNormal;
    xlt_v.texcoord = _uv0;
    xlt_v.texcoord1 = _uv1;
    xlt_v.color = _color;
    xl_retval = xlat_main( xlt_v);
    gl_Position = vec4( xl_retval.pos);
    xlv_TEXCOORD0 = vec2( xl_retval.hip_pack0);
    xlv_COLOR0 = vec4( xl_retval.lop_color);
    xlv_TEXCOORD1 = vec3( xl_retval.lightDir);
    xlv_TEXCOORD2 = vec3( xl_retval.viewDir);
    xlv_TEXCOORD3 = vec2( xl_retval._LightCoord);
}