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Near stability

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- Fix near plane rejection logic
- Fix lod clamp
This commit is contained in:
Jozufozu 2024-09-05 13:45:24 -05:00
parent 074ee34dd4
commit ce51e1f534
1 changed files with 3 additions and 2 deletions
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5
common/src/backend/resources/assets/flywheel/flywheel/internal/indirect/cull.glsl
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@ -43,7 +43,8 @@ bool _flw_testSphere(vec3 center, float radius) {
} }
bool projectSphere(vec3 c, float r, float znear, float P00, float P11, out vec4 aabb) { bool projectSphere(vec3 c, float r, float znear, float P00, float P11, out vec4 aabb) {
if (c.z > r + znear) { // Closest point on the sphere is between the camera and the near plane, don't even attempt to cull.
if (c.z + r > -znear) {
return false; return false;
} }
@ -91,7 +92,7 @@ bool _flw_isVisible(uint instanceIndex, uint modelIndex) {
float width = (aabb.z - aabb.x) * _flw_cullData.pyramidWidth; float width = (aabb.z - aabb.x) * _flw_cullData.pyramidWidth;
float height = (aabb.w - aabb.y) * _flw_cullData.pyramidHeight; float height = (aabb.w - aabb.y) * _flw_cullData.pyramidHeight;
int level = clamp(0, int(ceil(log2(max(width, height)))), _flw_cullData.pyramidLevels); int level = clamp(int(ceil(log2(max(width, height)))), 0, _flw_cullData.pyramidLevels);
ivec2 levelSize = textureSize(_flw_depthPyramid, level); ivec2 levelSize = textureSize(_flw_depthPyramid, level);