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Code Issues 151 Wiki Activity

Draw instances from the GPU culling with indirect draws, occlusion culling and a depth prepass

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Hirek
2026-10-16 12:54:52 +02:00
parent 2f0a06b98e
commit 466cb5339e
23 changed files with 1002 additions and 32 deletions
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38
rendering/geometrybank.cpp
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@@ -339,6 +339,20 @@ geometry_bank::draw_batch( gfx::geometry_handle const *First, gfx::geometry_hand
return draw_batch_( First, Last, Units, Streams );
}
// makes the data of specified chunk ready for drawing and tells where it lies
bool
geometry_bank::indirect_source( gfx::geometry_handle const &Geometry, gfx::indirect_source &Source ) {
// template method implementation
return indirect_source_( Geometry, Source );
}
// draws geometry stored in specified chunk with the command at Offset in the bound draw indirect buffer
void
geometry_bank::draw_indirect( gfx::geometry_handle const &Geometry, std::intptr_t const Offset, unsigned int const Streams ) {
// template method implementation
draw_indirect_( Geometry, Offset, Streams );
}
// frees subclass-specific resources associated with the bank, typically called when the bank wasn't in use for a period of time
void
geometry_bank::release() {
@@ -469,6 +483,30 @@ geometrybank_manager::draw_batch( gfx::geometry_handle const *First, gfx::geomet
}
}
// makes the data of specified chunk ready for an indirect draw and tells where it lies
bool
geometrybank_manager::indirect_source( gfx::geometry_handle const &Geometry, gfx::indirect_source &Source ) {
if( Geometry == null_handle ) { return false; }
auto &bankrecord = bank( Geometry );
bankrecord.second = m_garbagecollector.timestamp();
return bankrecord.first->indirect_source( Geometry, Source );
}
// draws geometry stored in specified chunk with the command at Offset in the bound draw indirect buffer
void
geometrybank_manager::draw_indirect( gfx::geometry_handle const &Geometry, std::intptr_t const Offset, unsigned int const Streams ) {
if( Geometry == null_handle ) { return; }
auto &bankrecord = bank( Geometry );
bankrecord.second = m_garbagecollector.timestamp();
bankrecord.first->draw_indirect( Geometry, Offset, Streams );
}
// provides direct access to index data of specfied chunk
gfx::index_array const &
geometrybank_manager::indices( gfx::geometry_handle const &Geometry ) const {