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Remove fixed shading check from specular.

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This commit is contained in:
Ian Curtis 2017-10-07 12:39:30 +00:00
parent 4d685e0750
commit 7f6df0cc84
1 changed files with 51 additions and 51 deletions
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102
Src/Graphics/New3D/R3DShader.cpp
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@ -164,40 +164,40 @@ void main()
float ellipse;
ellipse = length((gl_FragCoord.xy - spotEllipse.xy) / spotEllipse.zw);
ellipse = pow(ellipse, 2.0); // decay rate = square of distance from center
ellipse = 1.0 - ellipse; // invert
ellipse = max(0.0, ellipse); // clamp
// Compute spotlight and apply lighting
float enable, absExtent, d, inv_r, range;
// start of spotlight
enable = step(spotRange.x, -fsViewVertex.z);
if (spotRange.y == 0.0) {
range = 0.0;
}
else {
absExtent = abs(spotRange.y);
d = spotRange.x + absExtent + fsViewVertex.z;
d = min(d, 0.0);
// slope of decay function
inv_r = 1.0 / (1.0 + absExtent);
// inverse-linear falloff
// Reference: https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/
// y = 1 / (d/r + 1)^2
range = 1.0 / pow(d * inv_r - 1.0, 2.0);
range *= enable;
}
float lobeEffect = range * ellipse;
float lobeFogEffect = enable * ellipse;
if (lightEnabled) {
vec3 lightIntensity;
vec3 sunVector; // sun lighting vector (as reflecting away from vertex)
ellipse = 1.0 - ellipse; // invert
ellipse = max(0.0, ellipse); // clamp
// Compute spotlight and apply lighting
float enable, absExtent, d, inv_r, range;
// start of spotlight
enable = step(spotRange.x, -fsViewVertex.z);
if (spotRange.y == 0.0) {
range = 0.0;
}
else {
absExtent = abs(spotRange.y);
d = spotRange.x + absExtent + fsViewVertex.z;
d = min(d, 0.0);
// slope of decay function
inv_r = 1.0 / (1.0 + absExtent);
// inverse-linear falloff
// Reference: https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/
// y = 1 / (d/r + 1)^2
range = 1.0 / pow(d * inv_r - 1.0, 2.0);
range *= enable;
}
float lobeEffect = range * ellipse;
float lobeFogEffect = enable * ellipse;
if (lightEnabled) {
vec3 lightIntensity;
vec3 sunVector; // sun lighting vector (as reflecting away from vertex)
float sunFactor; // sun light projection along vertex normal (0.0 to 1.0)
// Sun angle
@ -224,15 +224,15 @@ void main()
// Upper clamp is optional, step 1.5+ games will drive brightness beyond 100%
if(intensityClamp) {
lightIntensity = min(lightIntensity,1.0);
}
lightIntensity.rgb += spotColor*lobeEffect;
finalData.rgb *= lightIntensity;
lightIntensity = min(lightIntensity,1.0);
}
lightIntensity.rgb += spotColor*lobeEffect;
finalData.rgb *= lightIntensity;
// for now assume fixed shading doesn't work with specular
if (specularEnabled && !fixedShading) {
if (specularEnabled) {
float exponent, NdotL, specularFactor;
vec4 biasIndex, expIndex, multIndex;
@ -262,16 +262,16 @@ void main()
}
// Final clamp: we need it for proper shading in dimmed light and dark ambients
finalData.rgb = min(finalData.rgb, vec3(1.0));
// Spotlight on fog
vec3 lSpotFogColor = spotFogColor * fogAttenuation * fogColour.rgb * lobeFogEffect;
// Fog & spotlight applied
finalData.rgb = mix(finalData.rgb, fogData.rgb + lSpotFogColor, fogData.a);
gl_FragColor = finalData;
}
finalData.rgb = min(finalData.rgb, vec3(1.0));
// Spotlight on fog
vec3 lSpotFogColor = spotFogColor * fogAttenuation * fogColour.rgb * lobeFogEffect;
// Fog & spotlight applied
finalData.rgb = mix(finalData.rgb, fogData.rgb + lSpotFogColor, fogData.a);
gl_FragColor = finalData;
}
)glsl";
R3DShader::R3DShader(const Util::Config::Node &config)