OpenCascade/occt
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filtering fix

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duv
2015-07-16 17:22:48 +03:00
committed by isk
parent 4b9006befa
commit a3a87fb157
1 changed files with 9 additions and 3 deletions
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12
src/Shaders/Display.fs
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@@ -8,19 +8,24 @@ out vec4 OutColor;
const float rI = 0.270 * 1.0f; // The intensity radius (in pixels).
const float rL = 1.71 * 0.5f; // The geometric radius (in pixels).
const int WindowSize = 8; // The window size (in pixels).
const int WindowSize = 6; // The window size (in pixels).
float gaussian (float theL, float theR)
{
return exp (-theL * theL / (2.0f * theR * theR));
}
vec4 posprocess (vec4 theColor)
{
return clamp (theColor, 0.f, 1.f);
}
vec4 bilateral()
{
// Get the sizes
int aWindow = WindowSize / 2;
vec4 anOutCol = vec4 (0.f, 0.f, 0.f, 0.f);
vec4 aRefCol = texelFetch (uInputTexture, ivec2 (gl_FragCoord.xy), 0);
vec4 aRefCol = posprocess (texelFetch (uInputTexture, ivec2 (gl_FragCoord.xy), 0));
float aNorm = 0.f;
// Compute the kernel
@@ -28,7 +33,8 @@ vec4 bilateral()
{
for (int j = -aWindow; j <= aWindow; j++)
{
vec4 aCol = texelFetch (uInputTexture, ivec2 (gl_FragCoord.xy) + ivec2 (j, i), 0);
vec4 aCol = posprocess (
texelFetch (uInputTexture, ivec2 (gl_FragCoord.xy) + ivec2 (j, i), 0));
float A = gaussian (distance (aCol, aRefCol), rI);
float B = gaussian (length (vec2(j, i)), rL);
anOutCol += aCol * A * B;