2 files changed, 0 insertions, 183 deletions
diff --git a/src/Runtime/ogl-runtime b/src/Runtime/ogl-runtime
new file mode 160000
+Subproject 427fddb50d43aa21a90fc7356ee3cdd8a908df5
diff --git a/src/Runtime/ogl-runtime/res/effectlib/tessellationPath.glsllib b/src/Runtime/ogl-runtime/res/effectlib/tessellationPath.glsllib
deleted file mode 100644
index 17b87b08..00000000
--- a/src/Runtime/ogl-runtime/res/effectlib/tessellationPath.glsllib
+++ /dev/null
@@ -1,183 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 NVIDIA Corporation.
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of Qt 3D Studio.
-**
-** $QT_BEGIN_LICENSE:GPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 or (at your option) any later version
-** approved by the KDE Free Qt Foundation. The licenses are as published by
-** the Free Software Foundation and appearing in the file LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef TESSELLATION_PATH_GLSLLIB
-#define TESSELLATION_PATH_GLSLLIB
-
-
-#if TESSELLATION_CONTROL_SHADER
-layout (vertices = 5) out;
-
-void tessShader ( in float edgeTessAmount, float innerTessAmount )
-{
-    gl_TessLevelOuter[0] = innerTessAmount;
-    gl_TessLevelOuter[1] = edgeTessAmount;
-    gl_TessLevelOuter[2] = innerTessAmount;
-    gl_TessLevelOuter[3] = edgeTessAmount;
-
-    gl_TessLevelInner[0] = edgeTessAmount / 2.0;
-    gl_TessLevelInner[1] = innerTessAmount;
-}
-
-#endif
-
-#if TESSELLATION_EVALUATION_SHADER
-layout (quads, equal_spacing, cw) in;
-
-vec2 getTangent(vec2 p0, vec2 p1, vec2 p2, vec2 p3, float t)
-{
-    // derivative
-    float dbt0 = -3.0 * (1.0 - t) * (1.0 - t);
-    float dbt1 = 3.0 * (1.0 - t) * (1.0 - 3.0 * t);
-    float dbt2 = 3.0 * t * (2.0 - 3.0 * t);
-    float dbt3 = 3.0 * t * t;
-
-    // tangent on curve
-    return normalize( dbt0 * p0 + dbt1 * p1 + dbt2 * p2 + dbt3 * p3 );
-}
-//An exact cross product would involve normalizing dx,dy.  Since
-//this algorithm needs merely the sign, normalization is not necessary.
-float roughCrossProd( vec2 prev, vec2 point, vec2 next )
-{
-    vec2 inDxDy = point - prev;
-    vec2 outDxDy = next - point;
-    return inDxDy.x * outDxDy.y - inDxDy.y * outDxDy.x;
-}
-
-//The incoming corss product tells us both if we should do a seam merge
-//and if the merge is above or below point in gl_TessCoord.y space; we know the
-//anchor point is at .5 gl_TessCoord.y space.
-vec3 computeAdjoiningFactors( float cross, vec2 adjoining, vec2 point, float tessY )
-{
-    vec3 retval = vec3( 0.0, 0.0, 0.0 );
-    float multiplier = cross < 0.0 ? 1.0 : -1.0;
-    float weight = abs(cross) > 0.001 ? multiplier * ( ( tessY - .5 )/ .5 ) : 0.0;
-    retval.z = weight > 0.0 ? 1.0 : 0.0;
-    retval.xy = mix( point, adjoining, weight );
-    return retval;
-}
-
-#define NO_TAPER 0
-#define BEGIN_TAPER 1
-#define END_TAPER 2
-
-//Tapering is done by interpolating the path width somewhat cleverly.
-float getTaperResult( float inIncomingValue, float inBeginValue, float inEndValue, vec2 taperData, uint inMode )
-{
-    float mixInfo = mix( taperData.x, taperData.y, gl_TessCoord.x );
-    float theValueMixer = inMode == BEGIN_TAPER ? inBeginValue : inEndValue;
-    return mix( theValueMixer, inIncomingValue, mixInfo );
-}
-
-uniform vec2 beginTaperInfo;
-uniform vec2 endTaperInfo;
-
-struct STessShaderResult
-{
-    vec3     m_Position;
-    vec2    m_TexCoord;
-    vec2    m_Tangent;
-    vec2       m_Binormal;
-    float     m_Opacity;
-};
-
-STessShaderResult tessShader ( float inPathWidth )
-{
-    vec2 p1 = gl_in[0].gl_Position.xy;
-    vec2 c1 = gl_in[0].gl_Position.zw; //c1
-    vec2 c2 = gl_in[1].gl_Position.xy; //c2
-    vec2 p2 = gl_in[1].gl_Position.zw;
-    vec4 taperData = gl_in[3].gl_Position;
-    vec2 udata = gl_in[4].gl_Position.xy;
-
-    //Adjust width for taper if necessary.
-    inPathWidth = taperData.z > 0.0 ? getTaperResult( inPathWidth, beginTaperInfo.x, endTaperInfo.x, taperData.xy, uint(taperData.z) ) : inPathWidth;
-
-    float adjoiningWeight = 0.0;
-    vec2 adjoining = vec2( 0.0, 0.0 );
-    if ( gl_TessCoord.x == floor(gl_TessCoord.x) )  // gl_TessCord.x either 0.0 or 1.0
-    {
-        vec2 point, cross1, cross2;
-        if ( gl_TessCoord.x == 0.0 )
-        {
-            adjoining = gl_in[2].gl_Position.xy;
-            point = p1;
-            cross1 = adjoining;
-            cross2 = c1;
-        }
-        else // gl_TessCoord.x == 1.0
-        {
-            adjoining = gl_in[2].gl_Position.zw;
-            point = p2;
-            cross1 = c2;
-            cross2 = adjoining;
-        }
-        float cross = roughCrossProd( cross1, point, cross2 );
-        vec3 adjoiningFactors = computeAdjoiningFactors( cross, adjoining, point, gl_TessCoord.y );
-        adjoining = adjoiningFactors.xy;
-        adjoiningWeight = adjoiningFactors.z;
-    }
-
-    float v = gl_TessCoord.x;
-    // cubic basis function calculated from v.
-    float bv0 = (1.0 - v) * (1.0 - v) * (1.0 - v);
-    float bv1 = 3.0 * v * (1.0 - v) * (1.0 - v);
-    float bv2 = 3.0 * v * v * (1.0 - v);
-    float bv3 = v * v * v;
-
-    //u ranges from 0 - 1.  What we want is to
-    //have u range from -1,1.
-    float u = 2.0 * ( gl_TessCoord.y - .5 );
-
-    vec2 tangent = getTangent( p1, c1, c2, p2, v );
-    vec2 normal = vec2( tangent.y, -tangent.x );
-
-    vec2 offset = normal * inPathWidth * u;
-
-    vec2 pointOnPath = bv0*p1 + bv1*c1 + bv2*c2 + bv3*p2;
-
-    vec2 finalPosXY = offset + pointOnPath;
-
-    STessShaderResult retval;
-    retval.m_Position = vec3( mix( finalPosXY, adjoining, adjoiningWeight), 0.0 );
-    retval.m_Opacity = taperData.z > 0.0 ? getTaperResult( 1.0, beginTaperInfo.y, endTaperInfo.y, taperData.xy, uint(taperData.z) ) : 1.0;
-
-    // cubic interpolation of the texture coords
-    retval.m_TexCoord.x = mix( udata.x, udata.y, v );
-    retval.m_TexCoord.y = gl_TessCoord.y;
-    retval.m_Tangent = tangent;
-    retval.m_Binormal = normal;
-
-    return retval;
-}
-#endif
-
-#endif
-