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0024307: TKOpenGl - efficient culling of large number of presentations

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Implement SAT intersection tests and frustum culling algorithm using BVH trees.

New Draw command vfrustumculling to manage frustum culling.
Add test cases bugs/vis/bug24307_1 and bugs/vis/bug24307_2.
Remove CALL_DEF_BOUNDBOX and CALL_DEF_BOUNDS.
This commit is contained in:
vpa
2014-06-20 11:26:14 +04:00
committed by apn
parent c1c1aefa71
commit b7cd4ba795
53 changed files with 1885 additions and 538 deletions
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7
src/OpenGl/OpenGl_SceneGeometry.cxx
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@@ -18,9 +18,9 @@
#ifdef HAVE_TBB
// On Windows, function TryEnterCriticalSection has appeared in Windows NT
// and is surrounded by #ifdef in MS VC++ 7.1 headers.
// Thus to use it we need to define appropriate macro saying that we wil
// Thus to use it we need to define appropriate macro saying that we will
// run on Windows NT 4.0 at least
#if ((defined(_WIN32) || defined(__WIN32__)) && !defined(_WIN32_WINNT))
#if defined(_WIN32) && !defined(_WIN32_WINNT)
#define _WIN32_WINNT 0x0501
#endif
@@ -29,6 +29,9 @@
#include <OpenGl_SceneGeometry.hxx>
#include <OpenGl_PrimitiveArray.hxx>
#include <OpenGl_Structure.hxx>
//! Use this macro to output BVH profiling info
//#define BVH_PRINT_INFO