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Fix unparsable characters in shader, OpenTK issue 3186

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This commit is contained in:
Andy Korth 2012-12-20 13:45:56 -06:00
parent bef7ecd1ed
commit fb507db838
1 changed files with 56 additions and 56 deletions
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112
Source/Examples/Data/Shaders/Parallax_FS.glsl
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@ -1,57 +1,57 @@
// Copyright (c) 2008 the OpenTK Team. See license.txt for legal bla
// Material uniforms
uniform sampler2D Material_DiffuseAndHeight;
uniform sampler2D Material_NormalAndGloss;
uniform vec3 Material_ScaleBiasShininess; // x=Scale, y=Bias, z=Shininess
// Light uniforms
uniform vec3 Light_DiffuseColor;
uniform vec3 Light_SpecularColor;
// from VS
varying vec3 VaryingLightVector;
varying vec3 VaryingEyeVector;
vec3 normal;
void main()
{
vec3 lightVector = normalize( VaryingLightVector );
vec3 eyeVector = normalize( VaryingEyeVector );
// first, find the parallax displacement by reading only the height map
float parallaxOffset = texture2D( Material_DiffuseAndHeight, gl_TexCoord[0].st ).a *
Material_ScaleBiasShininess.x - Material_ScaleBiasShininess.y;
vec2 newTexCoords = gl_TexCoord[0].st + ( parallaxOffset * eyeVector.xy ); // displace texcoords according to viewer
// knowing the displacement, read RGB, Normal and Gloss
vec3 diffuseColor = texture2D( Material_DiffuseAndHeight, newTexCoords.st ).rgb;
vec4 temp = texture2D( Material_NormalAndGloss, newTexCoords.st );
// build a usable normal vector
normal.xy = temp.ag * 2.0 - 1.0; // swizzle alpha and green to x/y and scale to [-1..+1]
normal.z = sqrt( 1.0 - normal.x*normal.x - normal.y*normal.y ); // z = sqrt(1-x²-y²)
// move other properties to be better readable
float gloss = temp.r;
// float alpha = temp.b;
// if ( alpha < 0.2 ) // optimization: should move this test before reading RGB texture
// discard;
// tweaked phong lighting
float lambert = max( dot( lightVector, normal ), 0.0 );
gl_FragColor = vec4( Light_DiffuseColor * diffuseColor, 1.0 ) *
lambert;
if ( lambert > 0.0 )
{
float specular = pow(
clamp( dot( reflect( -lightVector, normal ), eyeVector ), 0.0, 1.0 ),
Material_ScaleBiasShininess.z );
gl_FragColor += vec4( Light_SpecularColor * diffuseColor, 1.0 ) * ( specular * gloss );
}
// Copyright (c) 2008 the OpenTK Team. See license.txt for legal bla
// Material uniforms
uniform sampler2D Material_DiffuseAndHeight;
uniform sampler2D Material_NormalAndGloss;
uniform vec3 Material_ScaleBiasShininess; // x=Scale, y=Bias, z=Shininess
// Light uniforms
uniform vec3 Light_DiffuseColor;
uniform vec3 Light_SpecularColor;
// from VS
varying vec3 VaryingLightVector;
varying vec3 VaryingEyeVector;
vec3 normal;
void main()
{
vec3 lightVector = normalize( VaryingLightVector );
vec3 eyeVector = normalize( VaryingEyeVector );
// first, find the parallax displacement by reading only the height map
float parallaxOffset = texture2D( Material_DiffuseAndHeight, gl_TexCoord[0].st ).a *
Material_ScaleBiasShininess.x - Material_ScaleBiasShininess.y;
vec2 newTexCoords = gl_TexCoord[0].st + ( parallaxOffset * eyeVector.xy ); // displace texcoords according to viewer
// knowing the displacement, read RGB, Normal and Gloss
vec3 diffuseColor = texture2D( Material_DiffuseAndHeight, newTexCoords.st ).rgb;
vec4 temp = texture2D( Material_NormalAndGloss, newTexCoords.st );
// build a usable normal vector
normal.xy = temp.ag * 2.0 - 1.0; // swizzle alpha and green to x/y and scale to [-1..+1]
normal.z = sqrt( 1.0 - normal.x*normal.x - normal.y*normal.y ); // z = sqrt(1-x^2-y^2)
// move other properties to be better readable
float gloss = temp.r;
// float alpha = temp.b;
// if ( alpha < 0.2 ) // optimization: should move this test before reading RGB texture
// discard;
// tweaked phong lighting
float lambert = max( dot( lightVector, normal ), 0.0 );
gl_FragColor = vec4( Light_DiffuseColor * diffuseColor, 1.0 ) *
lambert;
if ( lambert > 0.0 )
{
float specular = pow(
clamp( dot( reflect( -lightVector, normal ), eyeVector ), 0.0, 1.0 ),
Material_ScaleBiasShininess.z );
gl_FragColor += vec4( Light_SpecularColor * diffuseColor, 1.0 ) * ( specular * gloss );
}
}