diff options
Diffstat (limited to 'shaders')
| -rw-r--r-- | shaders/fbo_frag.glsl | 30 | ||||
| -rw-r--r-- | shaders/frag_irradiance.glsl | 14 |
2 files changed, 17 insertions, 27 deletions
diff --git a/shaders/fbo_frag.glsl b/shaders/fbo_frag.glsl index f92483e..8ffc0ce 100644 --- a/shaders/fbo_frag.glsl +++ b/shaders/fbo_frag.glsl @@ -13,24 +13,16 @@ uniform vec3 sampleWeights[13]; void main()
{
- if (renderState == 0) {
- FragColor = texture(shadowmapTexture, TexCoords);
- }
- else if (renderState == 1) {
- FragColor = texture(irradianceTexture, TexCoords);
- }
- else if (renderState == 2) {
- // sample calculated irradiance
- // using Gaussian kernel to approximate light spread
- vec4 result = vec4(0, 0, 0, 1);
- for (int i = 0; i < 13; i++) {
- vec2 sampleCoords = TexCoords + samplePositions[i] * vec2(1.0/screenWidth, 1.0/screenHeight);
- //vec4 sample = texture(irradianceTexture, sampleCoords)
- // * texture(shadowmapTexture, sampleCoords);
- vec4 sample = texture(irradianceTexture, sampleCoords);
- vec4 weight = vec4(sampleWeights[i], 1);
- result += sample * weight;
- }
- FragColor = result;
+ // sample calculated irradiance
+ // using Gaussian kernel to approximate light spread
+ vec4 result = vec4(0, 0, 0, 1);
+ for (int i = 0; i < 13; i++) {
+ vec2 sampleCoords = TexCoords + samplePositions[i] * vec2(1.0/screenWidth, 1.0/screenHeight);
+ //vec4 sample = texture(irradianceTexture, sampleCoords)
+ // * texture(shadowmapTexture, sampleCoords);
+ vec4 sample = texture(irradianceTexture, sampleCoords);
+ vec4 weight = vec4(sampleWeights[i], 1);
+ result += sample * weight;
}
+ FragColor = result;
}
diff --git a/shaders/frag_irradiance.glsl b/shaders/frag_irradiance.glsl index b985acf..2a7edec 100644 --- a/shaders/frag_irradiance.glsl +++ b/shaders/frag_irradiance.glsl @@ -40,14 +40,12 @@ void main() // thickness
float distanceToBackside = length(FragPos - Backside);
- if (renderState == 2) {
- if (distanceToBackside != 0) {
- // add translucency by amplifying color inverse to the thickness
- // (1 - diff) is part of the irradiance term,
- // if the light hits the object straight at 90°
- // most light is received
- result += objectColor * pow(powBase, powFactor / pow(distanceToBackside, 0.6)) * transmittanceScale * (1 - diff);
- }
+ if (distanceToBackside != 0) {
+ // add translucency by amplifying color inverse to the thickness
+ // (1 - diff) is part of the irradiance term,
+ // if the light hits the object straight at 90°
+ // most light is received
+ result += objectColor * pow(powBase, powFactor / pow(distanceToBackside, 0.6)) * transmittanceScale * (1 - diff);
}
FragColor = vec4(result, 1.0f);
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