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This commit is contained in:
mcrcortex
2025-06-16 20:17:44 +10:00
parent 1575d7319c
commit 341119386a
2 changed files with 11 additions and 23 deletions
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13
src/main/resources/assets/voxy/shaders/lod/hierarchical/screenspace.glsl
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@@ -131,7 +131,7 @@ bool outsideFrustum() {
}
bool isCulledByHiz() {
vec2 asize = size * vec2(screenW, screenH);
vec2 asize = size * vec2(1024, 512);
float miplevel = log2(max(max(asize.x, asize.y),1));
//TODO: make a path for if the miplevel would result in the textureSampler sampling a size of 1
@@ -140,14 +140,12 @@ bool isCulledByHiz() {
miplevel = floor(miplevel)-1;
miplevel = clamp(miplevel, 0, textureQueryLevels(hizDepthSampler)-1);
vec2 midpoint = (maxBB.xy + minBB.xy)*0.5f;
float testAgainst = minBB.z;
//the *2.0f-1.0f converts from the 0->1 range to -1->1 range that depth is in (not having this causes tighter bounds, but causes culling issues in caves)
//testAgainst = testAgainst*2.0f-1.0f;
int ml = 4;//int(miplevel);
ivec2 msize = ivec2(128,64);//textureSize(hizDepthSampler, ml);//max(ivec2(1),ivec2(screenW, screenH)>>ml);
int ml = int(miplevel);
ivec2 msize = textureSize(hizDepthSampler, ml);//max(ivec2(1),ivec2(screenW, screenH)>>ml);
ivec2 mxbb = clamp(ivec2(maxBB.xy*msize), ivec2(0), msize);
ivec2 mnbb = clamp(ivec2(minBB.xy*msize), ivec2(0), msize);
float pointSample = -1.0f;
@@ -173,11 +171,8 @@ bool isCulledByHiz() {
//if ((culled) && node22.lodLevel == 0) {
// printf("HiZ sample point: (%f,%f)@%f against %f, value %f", midpoint.x, midpoint.y, miplevel, minBB.z, textureLod(hizDepthSampler, vec3(0.5f,0.5f, 0.000000001f), 9.0f));
//}
if (pointSample==0.0f) {
//return false;
}
return pointSample<testAgainst;
return pointSample<=testAgainst;
}