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Clean up for stereo

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This commit is contained in:
Olivier Prat 2018-10-02 18:46:01 +02:00
parent 4c84ae02fa
commit 72d0693252
1 changed files with 40 additions and 37 deletions
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77
libraries/render-utils/src/ssao_makeOcclusion.slf
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@ -56,51 +56,54 @@ void main(void) {
vec3 fragNormalES = buildNormal(side, fragUVPos, fragPositionES, deltaDepthUV);
#endif
// Choose the screen-space sample radius
float diskPixelRadius = evalDiskRadius(fragPositionES.z, sideDepthSize);
if (isHorizonBased()) {
diskPixelRadius = min(diskPixelRadius, SSAO_HBAO_MAX_RADIUS);
}
float occlusion = 1.0;
// Let's make noise
float randomPatternRotationAngle = 0.0;
// Accumulate the obscurance for each samples
float obscuranceSum = 0.0;
int numSamples = int(getNumSamples());
float invNumSamples = getInvNumSamples();
if (isHorizonBased()) {
randomPatternRotationAngle = getAngleDithering(fragPixelPos);
for (int i = 0; i < numSamples; ++i) {
vec3 deltaTap = getUnitTapLocation(i, 1.0, randomPatternRotationAngle, PI);
obscuranceSum += evalVisibilityHBAO(side, fragUVPos, deltaDepthUV, deltaTap.xy, diskPixelRadius, fragPositionES, fragNormalES);
if (fragPositionES.z > (1.0-getPosLinearDepthFar())) {
// Choose the screen-space sample radius
float diskPixelRadius = evalDiskRadius(fragPositionES.z, sideDepthSize);
if (isHorizonBased()) {
diskPixelRadius = min(diskPixelRadius, SSAO_HBAO_MAX_RADIUS);
}
obscuranceSum *= invNumSamples;
// Let's make noise
float randomPatternRotationAngle = 0.0;
// Accumulate the obscurance for each samples
float obscuranceSum = 0.0;
int numSamples = int(getNumSamples());
float invNumSamples = getInvNumSamples();
if (isHorizonBased()) {
randomPatternRotationAngle = getAngleDithering(fragPixelPos);
for (int i = 0; i < numSamples; ++i) {
vec3 deltaTap = getUnitTapLocation(i, 1.0, randomPatternRotationAngle, PI);
obscuranceSum += evalVisibilityHBAO(side, fragUVPos, deltaDepthUV, deltaTap.xy, diskPixelRadius, fragPositionES, fragNormalES);
}
obscuranceSum *= invNumSamples;
#if HBAO_USE_COS_ANGLE
obscuranceSum = 1.0 - obscuranceSum * getObscuranceScaling();
obscuranceSum = 1.0 - obscuranceSum * getObscuranceScaling();
#else
obscuranceSum = mix(1.0, obscuranceSum, getObscuranceScaling());
obscuranceSum = mix(1.0, obscuranceSum, getObscuranceScaling());
#endif
} else {
// Steps are in the depth texture resolution
vec2 depthTexFragPixelPos = fragUVPos * sideDepthSize;
} else {
// Steps are in the depth texture resolution
vec2 depthTexFragPixelPos = fragUVPos * sideDepthSize;
randomPatternRotationAngle = getAngleDitheringPixelPos(fragPixelPos) + getAngleDitheringSplit();
randomPatternRotationAngle = getAngleDitheringPixelPos(fragPixelPos) + getAngleDitheringSplit();
for (int i = 0; i < numSamples; ++i) {
vec3 tap = getTapLocationClampedSSAO(i, randomPatternRotationAngle, diskPixelRadius, depthTexFragPixelPos, sideDepthSize);
vec2 tapUV = fragUVPos + tap.xy * deltaDepthUV;
vec2 tapMipZ = fetchTap(side, tapUV, tap.z);
vec3 tapPositionES = evalEyePositionFromZeye(side.x, tapMipZ.y, tapUV);
obscuranceSum += float(tap.z > 0.0) * evalVisibilitySSAO(fragPositionES, fragNormalES, tapPositionES);
for (int i = 0; i < numSamples; ++i) {
vec3 tap = getTapLocationClampedSSAO(i, randomPatternRotationAngle, diskPixelRadius, depthTexFragPixelPos, sideDepthSize);
vec2 tapUV = fragUVPos + tap.xy * deltaDepthUV;
vec2 tapMipZ = fetchTap(side, tapUV, tap.z);
vec3 tapPositionES = evalEyePositionFromZeye(side.x, tapMipZ.y, tapUV);
obscuranceSum += float(tap.z > 0.0) * evalVisibilitySSAO(fragPositionES, fragNormalES, tapPositionES);
}
obscuranceSum *= invNumSamples;
obscuranceSum = 1.0 - obscuranceSum * getObscuranceScaling();
}
obscuranceSum *= invNumSamples;
obscuranceSum = 1.0 - obscuranceSum * getObscuranceScaling();
}
float occlusion = clamp(obscuranceSum, 0.0, 1.0);
occlusion = clamp(obscuranceSum, 0.0, 1.0);
}
outFragColor = packOcclusionOutput(occlusion, fragPositionES.z, fragNormalES);
}