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Changes in volume rendering for FXAA.

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Jonathas Costa
2019-08-19 16:16:20 -04:00
parent e1ef84fb16
commit 799d9e8cdf
1 changed files with 8 additions and 8 deletions
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16
shaders/framebuffer/raycastframebuffer.frag
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@@ -79,9 +79,6 @@ void main() {
vec3 direction = normalize(diff);
float raycastDepth = length(diff);
int i, j;
float tmp;
float geoDepth = denormalizeFloat(texelFetch(mainDepthTexture, ivec2(gl_FragCoord), 0).x);
float geoRatio = clamp((geoDepth - entryDepth) / (exitDepth - entryDepth), 0.0, 1.0);
raycastDepth = geoRatio * raycastDepth;
@@ -102,11 +99,14 @@ void main() {
vec3 accumulatedAlpha = vec3(0.0);
for (steps = 0; (accumulatedAlpha.r < ALPHA_LIMIT || accumulatedAlpha.g < ALPHA_LIMIT ||
accumulatedAlpha.b < ALPHA_LIMIT) && steps < RAYCAST_MAX_STEPS; ++steps) {
if (currentDepth + nextStepSize * jitterFactor > raycastDepth) {
aaOpacity -= opacityDecay;
}
for (steps = 0;
(accumulatedAlpha.r < ALPHA_LIMIT || accumulatedAlpha.g < ALPHA_LIMIT ||
accumulatedAlpha.b < ALPHA_LIMIT) && steps < RAYCAST_MAX_STEPS;
++steps)
{
// if (currentDepth + nextStepSize * jitterFactor > raycastDepth) {
// aaOpacity -= opacityDecay;
// }
bool shortStepSize = nextStepSize < raycastDepth / 10000000000.0;
if (shortStepSize) {