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Paolo Cignoni cignoni
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467137edc2
commit
0fa4227e89
4
src/meshlab/shaders/Cook-Torrance.frag
Normal file
4
src/meshlab/shaders/Cook-Torrance.frag
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void main()
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{
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gl_FragColor = gl_Color;
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}
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46
src/meshlab/shaders/Cook-Torrance.gdp
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46
src/meshlab/shaders/Cook-Torrance.gdp
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<?xml version="1.0" encoding="utf-8" standalone="yes"?>
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<GLSLang>
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<Metadata>
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<Author Author="" />
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<Email Email="" />
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<Company Company="" />
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<Shader Shader="" />
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<ShaderDescription ShaderDescription="" />
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<License License="" />
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<Version Version="" />
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</Metadata>
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<VPCount numero="1">
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<Filenames>
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<Filename0 VertexProgram=".\Cook-Torrance.vert" />
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</Filenames>
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</VPCount>
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<FPCount numero="1">
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<Filenames>
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<Filename0 FragmentProgram=".\Cook-Torrance.frag" />
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</Filenames>
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</FPCount>
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<TexturesPlugins NumberOfPlugins="0" />
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<TexturedUsed NumberUsedTU="0" />
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<UniformVariables NumberOfVariables="0" />
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<FogParameters FogColorR="0" FogColorG="0" FogColorB="0" FogColorA="1" Density="1" Start="0" End="1" />
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<VertexProcessor CullFace="True" PolygonMode="DummieField" PolygonModeBack="6914" PolygonModeFront="6914" LocalValue="1" TwoSidedValue="0" ColorControlValue="33273" />
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<FragmentProcessor Shade="7425" AlphaTest="False" AlphaFunc="516" AlphaClamp="0.5" Blending="False" BlendFuncSRC="770" BlendFuncDST="771" BlendEquation="32774" DepthTest="True" DepthFunc="515" ClampNear="0" ClampFar="1" ClearColorR="0.5019608" ClearColorG="0.5019608" ClearColorB="0.5019608" ClearColorA="1" />
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<MotionData Speed="0.05" Distance="4" Rotation="False" />
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<BuiltInStates>
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<ModelAmbient AmbientR="0.2" AmbientG="0.2" AmbientB="0.2" AmbientA="1" />
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<FrontMaterial AmbR="0.8274511" AmbG="0.8274511" AmbB="0.8274511" AmbA="1" DifR="0.5019608" DifG="0.5019608" DifB="0.5019608" DifA="1" SpecR="1" SpecG="1" SpecB="1" SpecA="1" EmiR="1" EmiG="1" EmiB="1" EmiA="1" Shininess="0" />
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<BackMaterial AmbR="0.2" AmbG="0.2" AmbB="0.2" AmbA="1" DifR="0.8000001" DifG="0.8000001" DifB="0.8000001" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" EmiR="0" EmiG="0" EmiB="0" EmiA="1" Shininess="0" />
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<PointParameters Size="1" MinSize="0" MaxSize="1" Threshold="1" ConstantAttenuation="1" LinearAttenuation="0" QuadraticAttenuation="0" />
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<Light0 Enabled="True" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="1" AmbG="1" AmbB="1" AmbA="1" DifR="1" DifG="1" DifB="1" DifA="1" SpecR="1" SpecG="1" SpecB="1" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light1 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light2 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light3 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light4 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light5 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light6 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light7 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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</BuiltInStates>
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<BackGround>
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<BackGroundMode Mode="0" />
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</BackGround>
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</GLSLang>
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35
src/meshlab/shaders/Cook-Torrance.vert
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35
src/meshlab/shaders/Cook-Torrance.vert
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@ -0,0 +1,35 @@
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void main()
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{
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vec3 normal = normalize(gl_NormalMatrix * gl_Normal);
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vec3 LightVector = vec3(gl_LightSource[0].position);
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vec3 VertexToEye = normalize(vec3(2.0 * gl_LightSource[0].halfVector - gl_LightSource[0].position));
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vec3 HalfVector = vec3(gl_LightSource[0].halfVector);
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float NdotH = max(0.0, dot(normal, HalfVector));
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vec3 RoughnessParams = vec3(0.5, 0.5, 0.5);
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//Start the "D" term, use Blinn Gaussian
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float Alpha = acos(NdotH);
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float C = RoughnessParams.x;
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float m = RoughnessParams.y;
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float D = C * exp(-(pow(Alpha / m, 2.0)));
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//Start the "G" term
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float NdotV = dot(normal, VertexToEye);
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float VdotH = dot(HalfVector, VertexToEye);
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float NdotL = dot(LightVector, normal);
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float G1 = 2.0 * NdotH * NdotV / NdotH;
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float G2 = 2.0 * NdotH * NdotL / NdotH;
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float G = min(1.0, max(0.0, min(G1, G2)));
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//Start the fresnel term. Use the approximation from
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//http://developer.nvidia.com/docs/IO/3035/ATT/FresnelReflection.pdf
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float R0 = RoughnessParams.z;
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float F = R0 + (1.0 - R0) * pow(1.0 - NdotL, 5.0);
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vec4 DiffuseColor = gl_FrontMaterial.diffuse;
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gl_FrontColor = DiffuseColor * F * D * G / (NdotL * NdotV);
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gl_Position = ftransform();
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}
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4
src/meshlab/shaders/Oren-Nayar.frag
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4
src/meshlab/shaders/Oren-Nayar.frag
Normal file
@ -0,0 +1,4 @@
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void main()
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{
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gl_FragColor = gl_Color;
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}
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46
src/meshlab/shaders/Oren-Nayar.gdp
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46
src/meshlab/shaders/Oren-Nayar.gdp
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@ -0,0 +1,46 @@
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<?xml version="1.0" encoding="utf-8" standalone="yes"?>
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<GLSLang>
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<Metadata>
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<Author Author="" />
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<Email Email="" />
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<Company Company="" />
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<Shader Shader="" />
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<ShaderDescription ShaderDescription="" />
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<License License="" />
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<Version Version="" />
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</Metadata>
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<VPCount numero="1">
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<Filenames>
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<Filename0 VertexProgram=".\Oren-Nayar.vert" />
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</Filenames>
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</VPCount>
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<FPCount numero="1">
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<Filenames>
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<Filename0 FragmentProgram=".\Oren-Nayar.frag" />
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</Filenames>
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</FPCount>
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<TexturesPlugins NumberOfPlugins="0" />
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<TexturedUsed NumberUsedTU="0" />
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||||
<UniformVariables NumberOfVariables="0" />
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<FogParameters FogColorR="0" FogColorG="0" FogColorB="0" FogColorA="1" Density="1" Start="0" End="1" />
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||||
<VertexProcessor CullFace="True" PolygonMode="DummieField" PolygonModeBack="6914" PolygonModeFront="6914" LocalValue="1" TwoSidedValue="0" ColorControlValue="33273" />
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<FragmentProcessor Shade="7425" AlphaTest="False" AlphaFunc="516" AlphaClamp="0.5" Blending="False" BlendFuncSRC="770" BlendFuncDST="771" BlendEquation="32774" DepthTest="True" DepthFunc="515" ClampNear="0" ClampFar="1" ClearColorR="0.5019608" ClearColorG="0.5019608" ClearColorB="0.5019608" ClearColorA="1" />
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<MotionData Speed="0.05" Distance="2" Rotation="False" />
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<BuiltInStates>
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<ModelAmbient AmbientR="0.2" AmbientG="0.2" AmbientB="0.2" AmbientA="1" />
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<FrontMaterial AmbR="0.2" AmbG="0.2" AmbB="0.2" AmbA="1" DifR="0.7215686" DifG="0.5254902" DifB="0.04313726" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" EmiR="0" EmiG="0" EmiB="0" EmiA="1" Shininess="0" />
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<BackMaterial AmbR="0.2" AmbG="0.2" AmbB="0.2" AmbA="1" DifR="0.8000001" DifG="0.8000001" DifB="0.8000001" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" EmiR="0" EmiG="0" EmiB="0" EmiA="1" Shininess="0" />
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<PointParameters Size="1" MinSize="0" MaxSize="1" Threshold="1" ConstantAttenuation="1" LinearAttenuation="0" QuadraticAttenuation="0" />
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||||
<Light0 Enabled="True" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="1" DifG="1" DifB="1" DifA="1" SpecR="1" SpecG="1" SpecB="1" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light1 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light2 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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||||
<Light3 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light4 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light5 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light6 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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<Light7 Enabled="False" PosX="0" PosY="0" PosZ="1" PosW="0" AmbR="0" AmbG="0" AmbB="0" AmbA="1" DifR="0" DifG="0" DifB="0" DifA="1" SpecR="0" SpecG="0" SpecB="0" SpecA="1" SpotDirX="0" SpotDirY="0" SpotDirZ="-1" SpotExp="0" SpotCutoff="180" SpotConstant="1" SpotLinear="0" SpotQuadratic="0" />
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</BuiltInStates>
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<BackGround>
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<BackGroundMode Mode="0" />
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</BackGround>
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</GLSLang>
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31
src/meshlab/shaders/Oren-Nayar.vert
Normal file
31
src/meshlab/shaders/Oren-Nayar.vert
Normal file
@ -0,0 +1,31 @@
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void main()
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{
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vec3 normal = normalize(gl_NormalMatrix * gl_Normal);
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vec3 LightVector = vec3(gl_LightSource[0].position);
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vec3 VertexToEye = normalize(vec3(2.0 * gl_LightSource[0].halfVector - gl_LightSource[0].position));
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float VdotN = dot(VertexToEye, normal);
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float LdotN = dot(LightVector, normal);
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float Irradiance = max(0.0, LdotN);
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float AngleViewNormal = acos(VdotN);
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float AngleLightNormal = acos(LdotN);
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float AngleDifference = max (0.0, dot(normalize(VertexToEye - normal * VdotN),
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normalize(LightVector - normal * LdotN)));
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float Alpha = max(AngleViewNormal, AngleLightNormal);
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float Beta = min(AngleViewNormal, AngleLightNormal);
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vec4 DiffuseColor = gl_FrontMaterial.diffuse;
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float RoughnessSquared = 0.5;
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float A = 1.0 - (0.5 * RoughnessSquared) / (RoughnessSquared + 0.33);
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float B = (0.45 * RoughnessSquared) / (RoughnessSquared + 0.09);
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gl_FrontColor = DiffuseColor * (A + B * AngleDifference * sin(Alpha) * tan(Beta)) * Irradiance;
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gl_Position = ftransform();
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}
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@ -1,10 +1,12 @@
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void main()
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{
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vec3 normal, lightDir, viewVector, rVector;
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vec4 diffuse, ambient, globalAmbient, specular = vec4(0.0);
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normal = normalize(gl_NormalMatrix * gl_Normal);
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lightDir = normalize(vec3(gl_LightSource[0].position));
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viewVector = normalize(vec3(2.0 * gl_LightSource[0].halfVector - gl_LightSource[0].position));
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diffuse = gl_FrontMaterial.diffuse * gl_LightSource[0].diffuse;
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ambient = gl_FrontMaterial.ambient * gl_LightSource[0].ambient;
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globalAmbient = gl_LightModel.ambient * gl_FrontMaterial.ambient;
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@ -15,4 +17,4 @@ void main()
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gl_FrontColor = globalAmbient + dot(normal, lightDir) * diffuse + ambient + specular;
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gl_Position = ftransform();
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}
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}
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