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limit cost of test_vref_integrity()

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David Rose 2010-05-23 00:21:07 +00:00
parent 66b5af633b
commit 326da19431
3 changed files with 40 additions and 30 deletions
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6
panda/src/egg/config_egg.cxx
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@ -144,6 +144,12 @@ ConfigVariableDouble egg_coplanar_threshold
PRC_DESC("The numerical threshold below which polygons are considered " PRC_DESC("The numerical threshold below which polygons are considered "
"to be coplanar. Determined empirically.")); "to be coplanar. Determined empirically."));
ConfigVariableInt egg_test_vref_integrity
("egg-test-vref-integrity", 20,
PRC_DESC("The maximum number of vertices a primitive may have before "
"its vertices will no longer be checked for internal integrity. "
"This is meaningful in non-production builds only."));
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: init_libegg // Function: init_libegg
// Description: Initializes the library. This must be called at // Description: Initializes the library. This must be called at

1
panda/src/egg/config_egg.h
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@ -39,6 +39,7 @@ extern EXPCL_PANDAEGG ConfigVariableBool egg_consider_fans;
extern EXPCL_PANDAEGG ConfigVariableDouble egg_max_tfan_angle; extern EXPCL_PANDAEGG ConfigVariableDouble egg_max_tfan_angle;
extern EXPCL_PANDAEGG ConfigVariableInt egg_min_tfan_tris; extern EXPCL_PANDAEGG ConfigVariableInt egg_min_tfan_tris;
extern EXPCL_PANDAEGG ConfigVariableDouble egg_coplanar_threshold; extern EXPCL_PANDAEGG ConfigVariableDouble egg_coplanar_threshold;
extern EXPCL_PANDAEGG ConfigVariableInt egg_test_vref_integrity;
extern EXPCL_PANDAEGG void init_libegg(); extern EXPCL_PANDAEGG void init_libegg();

3
panda/src/egg/eggPrimitive.cxx
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@ -17,6 +17,7 @@
#include "eggMiscFuncs.h" #include "eggMiscFuncs.h"
#include "eggTextureCollection.h" #include "eggTextureCollection.h"
#include "lexerDefs.h" #include "lexerDefs.h"
#include "config_egg.h"
#include "indent.h" #include "indent.h"
#include "vector_int.h" #include "vector_int.h"
@ -814,6 +815,7 @@ void EggPrimitive::
test_vref_integrity() const { test_vref_integrity() const {
test_ref_count_integrity(); test_ref_count_integrity();
if ((int)size() <= egg_test_vref_integrity) {
// First, we need to know how many times each vertex appears. // First, we need to know how many times each vertex appears.
// Usually, this will be only one, but it's possible for a vertex to // Usually, this will be only one, but it's possible for a vertex to
// appear more than once. // appear more than once.
@ -845,6 +847,7 @@ test_vref_integrity() const {
nassertv(count == vert_count); nassertv(count == vert_count);
} }
}
} }
#endif // NDEBUG #endif // NDEBUG