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mcrcortex
2025-06-13 23:19:23 +10:00
parent 84c07c4115
commit a00eec69b7
2 changed files with 15 additions and 7 deletions
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6
src/main/java/me/cortex/voxy/client/core/rendering/hierachical/HierarchicalOcclusionTraverser.java
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@@ -103,12 +103,10 @@ public class HierarchicalOcclusionTraverser {
this.nodeBuffer = new GlBuffer(nodeManager.maxNodeCount*16L).fill(-1);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
glSamplerParameteri(this.hizSampler, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
this.traversal
.ubo("SCENE_UNIFORM_BINDING", this.uniformBuffer)

16
src/main/resources/assets/voxy/shaders/lod/hierarchical/screenspace.glsl
View File

@@ -12,7 +12,7 @@
// substantually for performance (for both persistent threads and incremental)
layout(binding = HIZ_BINDING) uniform sampler2DShadow hizDepthSampler;
layout(binding = HIZ_BINDING) uniform sampler2D hizDepthSampler;
//TODO: maybe do spher bounds aswell? cause they have different accuracies but are both over estimates (liberals (non conservative xD))
// so can do &&
@@ -147,13 +147,23 @@ bool isCulledByHiz() {
//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;
bool culled = textureLod(hizDepthSampler, clamp(vec3(midpoint, testAgainst), vec3(0), vec3(1)), miplevel) < 0.0001f;
/*
ivec2 msize = textureSize(hizDepthSampler, int(miplevel));
ivec2 mxbb = ivec2(maxBB.xy);
ivec2 mnbb = ivec2(minBB.xy);*/
float pointSample = textureLod(hizDepthSampler, maxBB.xy, miplevel).x;
pointSample = max(pointSample, textureLod(hizDepthSampler, vec2(maxBB.x, minBB.y), miplevel).x);
pointSample = max(pointSample, textureLod(hizDepthSampler, vec2(minBB.x, maxBB.y), miplevel).x);
pointSample = max(pointSample, textureLod(hizDepthSampler, minBB.xy, miplevel).x);
//printf("HiZ sample point: (%f,%f)@%f against %f", midpoint.x, midpoint.y, miplevel, minBB.z);
//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));
//}
return culled;
return pointSample<=testAgainst;
}