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Experimental fast-math for Pandora

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This commit is contained in:
ptitSeb 2017-04-17 13:11:58 +02:00
parent d4f68c3863
commit ae30b8b4de
3 changed files with 48 additions and 19 deletions
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24
Sources/CMakeLists.txt Normal file → Executable file
View File

@ -99,15 +99,27 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
## For C flags
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS} -g -D_DEBUG=1 -DDEBUG=1 -O0")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -O3 -fno-unsafe-math-optimizations")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -g -O3 -fno-unsafe-math-optimizations")
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -Os -fno-unsafe-math-optimizations")
if(PANDORA)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -O3 -ffast-math")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -g -O3 -ffast-math")
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -Os -ffast-math")
else()
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -O3 -fno-unsafe-math-optimizations")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -g -O3 -fno-unsafe-math-optimizations")
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -Os -fno-unsafe-math-optimizations")
endif()
## For C++ flags
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -g -D_DEBUG=1 -DDEBUG=1 -O0")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -O3 -fno-unsafe-math-optimizations")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -g -O3 -fno-unsafe-math-optimizations") ## RAKE! Does -DNDEBUG=1 and -D_NDEBUG=1 mess with RelWithDebInfo?
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -Os -fno-unsafe-math-optimizations")
if(PANDORA)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -O3 -ffast-math")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -g -O3 -ffast-math")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -Os -ffast-math")
else()
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -O3 -fno-unsafe-math-optimizations")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -g -O3 -fno-unsafe-math-optimizations") ## RAKE! Does -DNDEBUG=1 and -D_NDEBUG=1 mess with RelWithDebInfo?
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS} -DNDEBUG=1 -D_NDEBUG=1 -Os -fno-unsafe-math-optimizations")
endif()
# TODO fix these warnings
add_compile_options(-Wno-switch)

21
Sources/Engine/Terrain/TerrainMisc.cpp Normal file → Executable file
View File

@ -310,10 +310,15 @@ Rect ExtractPolygonsInBox(CTerrain *ptrTerrain, const FLOATaabbox3D &bboxExtract
if(!bFixSize) {
// max vector of bbox in incremented for one, because first vertex is at 0,0,0 in world and in heightmap is at 1,1
#ifdef __arm__
rc.rc_iLeft = (isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = (isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = (isinf(bbox.maxvect(1)))?(INDEX)0:Clamp((INDEX)ceil(bbox.maxvect(1)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = (isinf(bbox.maxvect(3)))?(INDEX)0:Clamp((INDEX)ceil(bbox.maxvect(3)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#ifdef PANDORA
#define Isinf(a) (((*(unsigned int*)&a)&0x7fffffff)==0x7f800000)
#else
#define Isinf insif
#endif
rc.rc_iLeft = (Isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = (Isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = (Isinf(bbox.maxvect(1)))?(INDEX)0:Clamp((INDEX)ceil(bbox.maxvect(1)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = (Isinf(bbox.maxvect(3)))?(INDEX)0:Clamp((INDEX)ceil(bbox.maxvect(3)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#else
rc.rc_iLeft = Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
@ -323,10 +328,10 @@ Rect ExtractPolygonsInBox(CTerrain *ptrTerrain, const FLOATaabbox3D &bboxExtract
} else {
// max vector of bbox in incremented for one, because first vertex is at 0,0,0 in world and in heightmap is at 1,1
#ifdef __arm__
rc.rc_iLeft = (isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = (isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = (isinf(bbox.maxvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.maxvect(1)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = (isinf(bbox.maxvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.maxvect(3)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iLeft = (Isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = (Isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = (Isinf(bbox.maxvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.maxvect(1)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = (Isinf(bbox.maxvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.maxvect(3)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#else
rc.rc_iLeft = Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);

22
Sources/Engine/World/WorldCollisionGrid.cpp Normal file → Executable file
View File

@ -14,7 +14,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
#include <Engine/StdH.h>
#pragma GCC optimize 0
//#pragma GCC optimize 0
#include <Engine/World/World.h>
#include <Engine/World/PhysicsProfile.h>
#include <Engine/Templates/StaticStackArray.cpp>
@ -47,15 +47,27 @@ static inline void BoxToGrid(
FLOAT fMinZ = boxEntity.Min()(3);
FLOAT fMaxX = boxEntity.Max()(1);
FLOAT fMaxZ = boxEntity.Max()(3);
iMinX = (isinf(fMinX))?INDEX(GRID_MIN):INDEX(floor(fMinX/GRID_CELLSIZE));
iMinZ = (isinf(fMinZ))?INDEX(GRID_MIN):INDEX(floor(fMinZ/GRID_CELLSIZE));
iMaxX = (isinf(fMaxX))?INDEX(GRID_MIN):INDEX(ceil(fMaxX/GRID_CELLSIZE));
iMaxZ = (isinf(fMaxZ))?INDEX(GRID_MIN):INDEX(ceil(fMaxZ/GRID_CELLSIZE));
#ifdef __arm__
#ifdef PANDORA
#define Isinf(a) (((*(unsigned int*)&a)&0x7fffffff)==0x7f800000)
#else
#define Isinf insif
#endif
iMinX = (Isinf(fMinX))?INDEX(GRID_MIN):Clamp(INDEX(floor(fMinX/GRID_CELLSIZE)), (INDEX)GRID_MIN, (INDEX)GRID_MAX);
iMinZ = (Isinf(fMinZ))?INDEX(GRID_MIN):Clamp(INDEX(floor(fMinZ/GRID_CELLSIZE)), (INDEX)GRID_MIN, (INDEX)GRID_MAX);
iMaxX = (Isinf(fMaxX))?INDEX(GRID_MIN):Clamp(INDEX(ceil(fMaxX/GRID_CELLSIZE)), (INDEX)GRID_MIN, (INDEX)GRID_MAX);
iMaxZ = (Isinf(fMaxZ))?INDEX(GRID_MIN):Clamp(INDEX(ceil(fMaxZ/GRID_CELLSIZE)), (INDEX)GRID_MIN, (INDEX)GRID_MAX);
#else
iMinX = INDEX(GRID_MIN):INDEX(floor(fMinX/GRID_CELLSIZE));
iMinZ = INDEX(GRID_MIN):INDEX(floor(fMinZ/GRID_CELLSIZE));
iMaxX = INDEX(GRID_MIN):INDEX(ceil(fMaxX/GRID_CELLSIZE));
iMaxZ = INDEX(GRID_MIN):INDEX(ceil(fMaxZ/GRID_CELLSIZE));
iMinX = Clamp(iMinX, (INDEX)GRID_MIN, (INDEX)GRID_MAX);
iMinZ = Clamp(iMinZ, (INDEX)GRID_MIN, (INDEX)GRID_MAX);
iMaxX = Clamp(iMaxX, (INDEX)GRID_MIN, (INDEX)GRID_MAX);
iMaxZ = Clamp(iMaxZ, (INDEX)GRID_MIN, (INDEX)GRID_MAX);
#endif
}
// key calculations