moving polyLineEntity over to core profile

libraries/entities-renderer/src/DeferredBufferWrite.slh

@@ -11,44 +11,68 @@
 <@if not DEFERRED_BUFFER_WRITE_SLH@>
 <@def DEFERRED_BUFFER_WRITE_SLH@>
 
+layout(location = 0) out vec4 _fragColor0;
+layout(location = 1) out vec4 _fragColor1;
+layout(location = 2) out vec4 _fragColor2;
+
 // the glow intensity
 uniform float glowIntensity;
 
 // the alpha threshold
 uniform float alphaThreshold;
 
+uniform sampler2D normalFittingMap;
+
+vec3 bestFitNormal(vec3 normal) {
+    vec3 absNorm = abs(normal);
+    float maxNAbs = max(absNorm.z, max(absNorm.x, absNorm.y));
+    
+    vec2 texcoord = (absNorm.z < maxNAbs ?
+    (absNorm.y < maxNAbs ? absNorm.yz : absNorm.xz) :
+    absNorm.xy);
+    texcoord = (texcoord.x < texcoord.y ? texcoord.yx : texcoord.xy);
+    texcoord.y /= texcoord.x;
+    vec3 cN = normal / maxNAbs;
+    float fittingScale = texture(normalFittingMap, texcoord).a;
+    cN *= fittingScale;
+    return (cN * 0.5 + 0.5);
+}
+
 float evalOpaqueFinalAlpha(float alpha, float mapAlpha) {
     return mix(alpha * glowIntensity, 1.0 - alpha * glowIntensity, step(mapAlpha, alphaThreshold));
 }
 
+const vec3 DEFAULT_SPECULAR = vec3(0.1);
+const float DEFAULT_SHININESS = 10;
+
 void packDeferredFragment(vec3 normal, float alpha, vec3 diffuse, vec3 specular, float shininess) {
     if (alpha != glowIntensity) {
         discard;
     }
-    gl_FragData[0] = vec4(diffuse.rgb, alpha);
-    gl_FragData[1] = vec4(normal, 0.0) * 0.5 + vec4(0.5, 0.5, 0.5, 1.0);
-    gl_FragData[2] = vec4(specular, shininess / 128.0);
+    _fragColor0 = vec4(diffuse.rgb, alpha);
+    _fragColor1 = vec4(bestFitNormal(normal), 1.0);
+    _fragColor2 = vec4(specular, shininess / 128.0);
 }
 
 void packDeferredFragmentLightmap(vec3 normal, float alpha, vec3 diffuse, vec3 specular, float shininess, vec3 emissive) {
     if (alpha != glowIntensity) {
         discard;
     }
-
-    gl_FragData[0] = vec4(diffuse.rgb, alpha);
-    //gl_FragData[1] = vec4(normal, 0.0) * 0.5 + vec4(0.5, 0.5, 0.5, 1.0);
-    gl_FragData[1] = vec4(normal, 0.0) * 0.5 + vec4(0.5, 0.5, 0.5, 0.5);
-    gl_FragData[2] = vec4(emissive, shininess / 128.0);
+    
+    _fragColor0 = vec4(diffuse.rgb, alpha);
+    //_fragColor1 = vec4(normal, 0.0) * 0.5 + vec4(0.5, 0.5, 0.5, 1.0);
+    _fragColor1 = vec4(bestFitNormal(normal), 0.5);
+    _fragColor2 = vec4(emissive, shininess / 128.0);
 }
 
 void packDeferredFragmentTranslucent(vec3 normal, float alpha, vec3 diffuse, vec3 specular, float shininess) {
     if (alpha <= alphaThreshold) {
         discard;
-    } 
-
-    gl_FragData[0] = vec4(diffuse.rgb, alpha);
-  //  gl_FragData[1] = vec4(normal, 0.0) * 0.5 + vec4(0.5, 0.5, 0.5, 1.0);
-  //  gl_FragData[2] = vec4(specular, shininess / 128.0);
+    }
+    
+    _fragColor0 = vec4(diffuse.rgb, alpha);
+    //  _fragColor1 = vec4(normal, 0.0) * 0.5 + vec4(0.5, 0.5, 0.5, 1.0);
+    //  _fragColor2 = vec4(specular, shininess / 128.0);
 }
 
 <@endif@>

libraries/entities-renderer/src/paintStroke.slf

@@ -19,9 +19,9 @@
 uniform sampler2D originalTexture;
 
 // the interpolated normal
-varying vec4 interpolatedNormal;
-varying vec4 modelPosition;
-varying vec2 varTexcoord;
+in vec3 interpolatedNormal;
+in vec2 varTexcoord;
+in vec4 varColor;
 
 float rand(vec2 point){
     return fract(sin(dot(point.xy ,vec2(12.9898,78.233))) * 43758.5453);
@@ -31,14 +31,13 @@ float rand(vec2 point){
 
 void main(void) {
     
-    vec3 newNormal = normalize(interpolatedNormal.xyz);
     
-    vec4 texel = texture2D(originalTexture, varTexcoord);
+    vec4 texel = texture(originalTexture, varTexcoord);
     int frontCondition = 1 -int(gl_FrontFacing) * 2;
-   vec3 color = gl_Color.rgb;
+   vec3 color = varColor.rgb;
    //vec3 normal, float alpha, vec3 diffuse, vec3 specular, float shininess
     packDeferredFragmentTranslucent(
-        newNormal * frontCondition,
+        interpolatedNormal * frontCondition,
         texel.a,
         color *texel.rgb,
         vec3(0.01, 0.01, 0.01),

libraries/entities-renderer/src/paintStroke.slv

@@ -12,30 +12,29 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
+<@include gpu/Inputs.slh@>
 <@include gpu/Transform.slh@>
 
 <$declareStandardTransform()$>
 
 // the interpolated normal
-varying vec4 interpolatedNormal;
-varying vec4 modelPosition;
+out vec3 interpolatedNormal;
 
 //the diffuse texture
-varying vec2 varTexcoord;
+out vec2 varTexcoord;
+
+out vec4 varColor;
 
 void main(void) {
     
-    varTexcoord = gl_MultiTexCoord0.st;
+    varTexcoord = inTexCoord0.st;
     
     // pass along the diffuse color
-    gl_FrontColor = gl_Color;
-    
+    varColor = inColor;
+
     // standard transform
     TransformCamera cam = getTransformCamera();
     TransformObject obj = getTransformObject();
-    <$transformModelToClipPos(cam, obj, gl_Vertex, gl_Position)$>
-    <$transformModelToEyeDir(cam, obj, gl_Normal, interpolatedNormal.xyz)$>
-
-    modelPosition = gl_Vertex;
-    interpolatedNormal = vec4(normalize(interpolatedNormal.xyz), 0.0);
+    <$transformModelToClipPos(cam, obj, inPosition, gl_Position)$>
+    <$transformModelToEyeDir(cam, obj, inNormal.xyz, interpolatedNormal)$>
 }

tests/shaders/src/main.cpp

@@ -109,6 +109,8 @@
 #include "sdf_text3D_vert.h"
 #include "sdf_text3D_frag.h"
 
+#include "paintStroke_vert.h"
+#include "paintStroke_frag.h"
 
 class RateCounter {
     std::vector<float> times;
@@ -324,6 +326,8 @@ void QTestWindow::draw() {
         testShaderBuild(SkyFromAtmosphere_vert, SkyFromAtmosphere_frag);
         
         testShaderBuild(Skybox_vert, Skybox_frag);
+        
+        testShaderBuild(paintStroke_vert,paintStroke_frag);
 
     });