doom3-bfg/neo/idlib/math/Simd.h

120 lines
4.4 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#ifndef __MATH_SIMD_H__
#define __MATH_SIMD_H__
/*
===============================================================================
Single Instruction Multiple Data (SIMD)
For optimal use data should be aligned on a 16 byte boundary.
All idSIMDProcessor routines are thread safe.
===============================================================================
*/
class idSIMD
{
public:
static void Init();
static void InitProcessor( const char* module, bool forceGeneric );
static void Shutdown();
static void Test_f( const class idCmdArgs& args );
};
/*
===============================================================================
virtual base class for different SIMD processors
===============================================================================
*/
// RB begin
#ifdef _WIN32
#define VPCALL __fastcall
#else
#define VPCALL
#endif
// RB end
class idVec2;
class idVec3;
class idVec4;
class idVec5;
class idVec6;
class idVecX;
class idMat2;
class idMat3;
class idMat4;
class idMat5;
class idMat6;
class idMatX;
class idPlane;
class idDrawVert;
class idJointQuat;
class idJointMat;
struct dominantTri_t;
class idSIMDProcessor
{
public:
idSIMDProcessor()
{
cpuid = CPUID_NONE;
}
cpuid_t cpuid;
virtual const char* VPCALL GetName() const = 0;
virtual void VPCALL MinMax( float& min, float& max, const float* src, const int count ) = 0;
virtual void VPCALL MinMax( idVec2& min, idVec2& max, const idVec2* src, const int count ) = 0;
virtual void VPCALL MinMax( idVec3& min, idVec3& max, const idVec3* src, const int count ) = 0;
virtual void VPCALL MinMax( idVec3& min, idVec3& max, const idDrawVert* src, const int count ) = 0;
virtual void VPCALL MinMax( idVec3& min, idVec3& max, const idDrawVert* src, const triIndex_t* indexes, const int count ) = 0;
virtual void VPCALL Memcpy( void* dst, const void* src, const int count ) = 0;
virtual void VPCALL Memset( void* dst, const int val, const int count ) = 0;
// animation
virtual void VPCALL BlendJoints( idJointQuat* joints, const idJointQuat* blendJoints, const float lerp, const int* index, const int numJoints ) = 0;
virtual void VPCALL BlendJointsFast( idJointQuat* joints, const idJointQuat* blendJoints, const float lerp, const int* index, const int numJoints ) = 0;
virtual void VPCALL ConvertJointQuatsToJointMats( idJointMat* jointMats, const idJointQuat* jointQuats, const int numJoints ) = 0;
virtual void VPCALL ConvertJointMatsToJointQuats( idJointQuat* jointQuats, const idJointMat* jointMats, const int numJoints ) = 0;
virtual void VPCALL TransformJoints( idJointMat* jointMats, const int* parents, const int firstJoint, const int lastJoint ) = 0;
virtual void VPCALL UntransformJoints( idJointMat* jointMats, const int* parents, const int firstJoint, const int lastJoint ) = 0;
};
// pointer to SIMD processor
extern idSIMDProcessor* SIMDProcessor;
#endif /* !__MATH_SIMD_H__ */