This commit is contained in:
mcrcortex
2024-09-29 10:44:16 +10:00
parent 5e72b945c4
commit 3d2129c1d4
7 changed files with 59 additions and 21 deletions

View File

@@ -5,6 +5,9 @@ layout(location = 0) in vec2 uv;
layout(binding = 0) uniform sampler2D depthTex;
void main() {
vec4 depths = textureGather(depthTex, uv, 0); // Get depth values from all surrounding texels.
//depths = mix(vec4(0), depths, lessThanEqual(vec4(0.99999999), depths));
bvec4 cv = lessThanEqual(vec4(0.99999999), depths);
if (any(cv) && !all(cv)) {
depths = mix(vec4(0), depths, cv);
}
gl_FragDepth = max(max(depths.x, depths.y), max(depths.z, depths.w)); // Write conservative depth.
}
}

View File

@@ -21,8 +21,6 @@ vec3 minBB;
vec3 maxBB;
vec2 size;
uint lod;
//Sets up screenspace with the given node id, returns true on success false on failure/should not continue
//Accesses data that is setup in the main traversal and is just shared to here
void setupScreenspace(in UnpackedNode node) {
@@ -35,7 +33,6 @@ void setupScreenspace(in UnpackedNode node) {
vec3 point = VP*(((transform.transform*vec4((node.pos<<node.lodLevel) - transform.originPos.xyz, 1))
+ (transform.worldPos.xyz-camChunkPos))-camSubChunk);
*/
lod = node.lodLevel;
vec4 base = VP*vec4(vec3(((node.pos<<node.lodLevel)-camSecPos)<<5)-camSubSecPos, 1);
@@ -86,10 +83,10 @@ bool isCulledByHiz() {
float miplevel = ceil(log2(max(max(ssize.x, ssize.y),1)));
vec2 midpoint = (maxBB.xy + minBB.xy)*0.5f;
bool culled = textureLod(hizDepthSampler, vec3(midpoint, minBB.z), miplevel) < 0.0001f;
/*
if (culled) {
printf("HiZ sample point not culled: (%f,%f)@%f against %f, level %d", midpoint.x, midpoint.y, miplevel, minBB.z, lod);
}*/
printf("HiZ sample point culled: (%f,%f)@%f against %f", midpoint.x, midpoint.y, miplevel, minBB.z);
}
return culled;
}