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Even faster bloom.

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This commit is contained in:
Jonathas Costa
2019-07-13 16:21:20 -04:00
parent 470a6d56d5
commit e3775849a3
2 changed files with 6 additions and 15 deletions
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shaders/framebuffer/bloomFilter.frag
+6 -9
View File
@@ -60,7 +60,7 @@ const float weights2[] = float[](0.0024499299678342,
// Gaussian weights calculated by http://dev.theomader.com/gaussian-kernel-calculator/
// sigma = 4.4625, kernel size = 5
const float weights[] = float[](0.190079,
const float weights3[] = float[](0.190079,
0.204885,
0.210072,
0.204885,
@@ -68,7 +68,7 @@ const float weights[] = float[](0.190079,
// Gaussian weights calculated by http://dev.theomader.com/gaussian-kernel-calculator/
// sigma = 8, kernel size = 45
const float weights3[] = float[](0.001147,
const float weights[] = float[](0.001147,
0.001605,
0.002209,
0.002995,
@@ -125,13 +125,10 @@ void main(void)
{
ivec2 texelCoord = P + ivec2(0, w);
vec4 tmpColor = vec4(0.0);
if ((texelCoord.x >= 0 && texelCoord.y >= 0) &&
(texelCoord.x < maxResX && texelCoord.y < maxResY)) {
for (int s = 0; s < numberOfSamples; ++s) {
tmpColor += texelFetch(msaaTexture, texelCoord, s);
}
tmpColor /= numberOfSamples;
}
for (int s = 0; s < numberOfSamples; ++s) {
tmpColor += texelFetch(msaaTexture, texelCoord, s);
}
tmpColor /= numberOfSamples;
color += tmpColor * weights[w];
}
src/rendering/framebufferrenderer.cpp
-6
View File
@@ -738,9 +738,6 @@ void FramebufferRenderer::applyBloomFilter() {
_bloomProgram->setUniform("msaaTexture", msaaTextureUnit);
_bloomProgram->setUniform("numberOfSamples", _nAaSamples);
_bloomProgram->setUniform("maxResX", _resolution.y);
_bloomProgram->setUniform("maxResY", _resolution.x);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
//glFlush();
}
@@ -765,9 +762,6 @@ void FramebufferRenderer::applyBloomFilter() {
_bloomProgram->setUniform("msaaTexture", msaaTextureUnit);
_bloomProgram->setUniform("numberOfSamples", _nAaSamples);
_bloomProgram->setUniform("maxResX", _resolution.x);
_bloomProgram->setUniform("maxResY", _resolution.y);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
//glFlush();