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code adjustments in response to review

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This commit is contained in:
Jason 2016-09-13 10:52:14 -05:00
parent a6b3237211
commit 5fc51b45a0
1 changed files with 4 additions and 4 deletions
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8
Data/Sys/Shaders/lens_distortion.glsl
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@ -59,7 +59,7 @@ void main()
} }
else else
{ {
offsetAdd = 0 - stereoOffset; offsetAdd = 0.0 - stereoOffset;
} }
// convert coordinates to NDC space // convert coordinates to NDC space
@ -69,7 +69,7 @@ void main()
float destR = length(fragPos); float destR = length(fragPos);
// find the radius multiplier // find the radius multiplier
float srcR = destR * sizeAdjust + ( ka * pow(destR,2) + kb * pow(destR,4)); float srcR = destR * sizeAdjust + ( ka * pow(destR, 2.0) + kb * pow(destR, 4.0));
// Calculate the source vector (radial) // Calculate the source vector (radial)
vec2 correctedRadial = normalize(fragPos) * srcR; vec2 correctedRadial = normalize(fragPos) * srcR;
@ -81,10 +81,10 @@ void main()
vec2 uv = (widenedRadial/2.0f) + vec2(0.5f) + vec2(offsetAdd, 0.0f); vec2 uv = (widenedRadial/2.0f) + vec2(0.5f) + vec2(offsetAdd, 0.0f);
// Sample the texture at the source location // Sample the texture at the source location
if (uv[0] > 1.0 || uv[1] > 1.0 || uv[0] < 0.0 || uv[1] < 0.0) if(clamp(uv, 0.0, 1.0) != uv)
{ {
// black if beyond bounds // black if beyond bounds
SetOutput(float4(0,0,0,0)); SetOutput(float4(0.0, 0.0, 0.0, 0.0));
} }
else else
{ {