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Moved occlusion test expiry code from KRScene::render to a dedicated function, KRViewport::expireOcclusionResults

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This commit is contained in:
Kearwood Gilbert
2024-09-21 21:21:48 -07:00
parent 8bee10c768
commit 3b9a5d6f81
6 changed files with 34 additions and 33 deletions
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19
kraken/resources/scene/KRScene.cpp
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@@ -44,8 +44,6 @@
using namespace mimir;
using namespace hydra;
const long KRENGINE_OCCLUSION_TEST_EXPIRY = 10;
KRScene::KRScene(KRContext& context, std::string name) : KRResource(context, name)
{
m_pFirstLight = NULL;
@@ -103,23 +101,8 @@ std::set<KRLight*>& KRScene::getLights()
return m_lights;
}
void KRScene::render(KRNode::RenderInfo& ri, bool new_frame)
void KRScene::render(KRNode::RenderInfo& ri)
{
unordered_map<AABB, int>& visibleBounds = ri.viewport->getVisibleBounds();
if (new_frame) {
// Expire cached occlusion test results.
// Cached "failed" results are expired on the next frame (marked with .second of -1)
// Cached "success" results are expired after KRENGINE_OCCLUSION_TEST_EXPIRY frames (marked with .second of the last frame
std::set<AABB> expired_visible_bounds;
for (unordered_map<AABB, int>::iterator visible_bounds_itr = visibleBounds.begin(); visible_bounds_itr != visibleBounds.end(); visible_bounds_itr++) {
if ((*visible_bounds_itr).second == -1 || (*visible_bounds_itr).second + KRENGINE_OCCLUSION_TEST_EXPIRY < getContext().getCurrentFrame()) {
expired_visible_bounds.insert((*visible_bounds_itr).first);
}
}
for (std::set<AABB>::iterator expired_visible_bounds_itr = expired_visible_bounds.begin(); expired_visible_bounds_itr != expired_visible_bounds.end(); expired_visible_bounds_itr++) {
visibleBounds.erase(*expired_visible_bounds_itr);
}
}
if (getFirstLight() == NULL) {
addDefaultLights();

2
kraken/resources/scene/KRScene.h
View File

@@ -71,7 +71,7 @@ public:
bool sphereCast(const hydra::Vector3& v0, const hydra::Vector3& v1, float radius, hydra::HitInfo& hitinfo, unsigned int layer_mask);
void renderFrame(VkCommandBuffer& commandBuffer, KRSurface& surface, float deltaTime);
void render(KRNode::RenderInfo& ri, bool new_frame);
void render(KRNode::RenderInfo& ri);
void updateOctree(const KRViewport& viewport);
void buildOctreeForTheFirstTime();