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266 lines
7.7 KiB
266 lines
7.7 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef plShader_inc |
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#define plShader_inc |
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#include "pnKeyedObject/hsKeyedObject.h" |
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#include "hsTemplates.h" |
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#include "hsGeometry3.h" |
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#include "hsMatrix44.h" |
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#include "plShaderTable.h" |
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class hsStream; |
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class hsResMgr; |
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class hsMatrix; |
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struct hsColorRGBA; |
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class hsGDeviceRef; |
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class plFloat4 |
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{ |
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public: |
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float f[4]; |
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}; |
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class plFloat44 |
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{ |
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public: |
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float m[4][4]; |
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}; |
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class plFloat34 |
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{ |
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public: |
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float m[3][4]; |
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}; |
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class plShaderConst |
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{ |
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public: |
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union |
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{ |
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struct { |
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float r; |
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float g; |
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float b; |
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float a; |
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}; |
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struct { |
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float x; |
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float y; |
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float z; |
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float w; |
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}; |
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struct { |
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float fX; |
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float fY; |
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float fZ; |
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float fW; |
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}; |
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float fArray[4]; |
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}; |
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float& operator[](int i) { return fArray[i]; } |
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void Read(hsStream* s); |
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void Write(hsStream* s); |
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}; |
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class plShaderDecl; |
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class plPipeConst |
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{ |
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public: |
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enum Type |
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{ |
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kLocalToNDC, // 4x4 |
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kCameraToNDC, // 4x4 |
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kWorldToNDC, // 4x4 |
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kLocalToWorld, // 3x4 |
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kWorldToLocal, // 3x4 |
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kWorldToCamera, // 3x4 |
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kCameraToWorld, // 3x4 |
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kLocalToCamera, // 3x4 |
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kCameraToLocal, // 3x4 |
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kCamPosWorld, // 1x4 |
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kCamPosLocal, // 1x4 |
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kObjPosWorld, // 1x4 |
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kTex3x4_0, // 3x4, stage 0 |
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kTex3x4_1, // 3x4, stage 1 |
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kTex3x4_2, // 3x4, stage 2 |
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kTex3x4_3, // 3x4, stage 3 |
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kTex3x4_4, // 3x4, stage 4 |
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kTex3x4_5, // 3x4, stage 5 |
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kTex3x4_6, // 3x4, stage 6 |
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kTex3x4_7, // 3x4, stage 7 |
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kTex2x4_0, // 2x4, stage 0 |
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kTex2x4_1, // 2x4, stage 1 |
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kTex2x4_2, // 2x4, stage 2 |
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kTex2x4_3, // 2x4, stage 3 |
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kTex2x4_4, // 2x4, stage 4 |
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kTex2x4_5, // 2x4, stage 5 |
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kTex2x4_6, // 2x4, stage 6 |
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kTex2x4_7, // 2x4, stage 7 |
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kTex1x4_0, // 1x4, stage 0 |
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kTex1x4_1, // 1x4, stage 1 |
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kTex1x4_2, // 1x4, stage 2 |
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kTex1x4_3, // 1x4, stage 3 |
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kTex1x4_4, // 1x4, stage 4 |
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kTex1x4_5, // 1x4, stage 5 |
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kTex1x4_6, // 1x4, stage 6 |
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kTex1x4_7, // 1x4, stage 7 |
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kDirLight1, // 2x4, dir, then color |
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kDirLight2, // 4x4, kDirLight1 x 2 |
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kDirLight3, // 6x4, kDirLight1 x 3 |
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kDirLight4, // 8x4, kDirLight1 x 4 |
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kPointLight1, // 3x4, pos, dir, distAtten (spotAtten.xy dropped on end of pos.w/dir.w) |
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kPointLight2, // 6x4, kPointLight1 x 2 |
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kPointLight3, // 9x4, kPointLight1 x 3 |
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kPointLight4, // 12x4, kPointLight1 x4 |
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kLayAmbient, // 4x4 |
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kLayRuntime, // 4x4 (r,g,b,a) |
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kLaySpecular, // 4x4 (but alpha is ignored). |
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kFogSet, // 1x4 = (-FogMax, 1.f/(FogMin - FogMax), density, 1) |
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kColorFilter, // 1x4 color filter currently applied to entire scene. |
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kMaxType |
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}; |
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public: |
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plPipeConst() {} |
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plPipeConst(Type t, UInt16 r) : fType(t), fReg(r) {} |
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Type fType; |
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UInt16 fReg; |
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}; |
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typedef plPipeConst::Type plPipeConstType; |
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class plShader : public hsKeyedObject |
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{ |
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public: |
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enum { |
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kValidated = 0x1, |
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kInvalid = 0x2, |
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kIsPixel = 0x4, |
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kShaderNotFound = 0x8, |
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kShaderError = 0x10, |
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kShaderUnsupported = 0x20 |
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}; |
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protected: |
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mutable UInt32 fFlags; |
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hsTArray<plShaderConst> fConsts; |
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mutable hsGDeviceRef* fDeviceRef; |
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const plShaderDecl* fDecl; |
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UInt8 fInput; |
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UInt8 fOutput; |
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hsTArray<plPipeConst> fPipeConsts; |
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public: |
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plShader(); |
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virtual ~plShader(); |
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CLASSNAME_REGISTER( plShader ); |
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GETINTERFACE_ANY( plShader, hsKeyedObject ); |
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// Read and write |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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void SetNumConsts(int cnt) { fConsts.SetCount(cnt); } |
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UInt32 GetNumConsts() const { return fConsts.GetCount(); } |
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plShaderConst& GetConst(int i) { return fConsts[i]; } |
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const plShaderConst& GetConst(int i) const { return fConsts[i]; } |
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void SetConst(int i, const plShaderConst& c) { fConsts[i] = c; } |
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plFloat44 GetMatrix(int i) const; // Will untranspose |
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plFloat44 GetMatrix3(int i) const; // Will untranspose |
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hsMatrix44 GetMatrix44(int i) const; |
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hsMatrix44 GetMatrix34(int i) const; |
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hsMatrix44 GetMatrix24(int i) const; |
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hsColorRGBA GetColor(int i) const; |
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hsPoint3 GetPosition(int i) const; |
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hsVector3 GetVector(int i) const; |
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void GetVector(int i, hsScalar& x, hsScalar& y, hsScalar& z, hsScalar& w) const; |
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hsScalar GetFloat(int i, int chan) const; |
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const float* const GetFloat4(int i) const; |
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void SetMatrix(int i, const plFloat44& xfm); // Will transpose |
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void SetMatrix3(int i, const plFloat44& xfm); // Will transpose |
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void SetMatrix44(int i, const hsMatrix44& xfm); |
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void SetMatrix34(int i, const hsMatrix44& xfm); |
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void SetMatrix24(int i, const hsMatrix44& xfm); |
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void SetColor(int i, const hsColorRGBA& col); |
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void SetVector(int i, const hsScalarTriple& vec); /* Doesn't touch .fW */ |
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void SetVectorW(int i, const hsScalarTriple& vec, hsScalar w=1.f) { SetVector(i, vec.fX, vec.fY, vec.fZ, w); } |
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void SetVector(int i, hsScalar x, hsScalar y, hsScalar z, hsScalar w); |
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void SetFloat(int i, int chan, float v); |
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void SetFloat4(int i, const float* const f); |
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const plShaderDecl* GetDecl() const { return fDecl; } |
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void SetDecl(const plShaderDecl* p); // will reference (pointer copy) |
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void SetDecl(plShaderID::ID id); |
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hsBool IsValid() const { return !(fFlags & kInvalid); } |
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void Invalidate() const { fFlags |= kInvalid; } |
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hsBool IsPixelShader() const { return 0 != (fFlags & kIsPixel); } |
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hsBool IsVertexShader() const { return !IsPixelShader(); } |
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void SetIsPixelShader(hsBool on) { if(on)fFlags |= kIsPixel; else fFlags &= ~kIsPixel; } |
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// These are only for use by the pipeline. |
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hsGDeviceRef* GetDeviceRef() const { return fDeviceRef; } |
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void SetDeviceRef(hsGDeviceRef* ref) const; |
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void* GetConstBasePtr() const { return fConsts.GetCount() ? &fConsts[0] : nil; } |
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void CopyConsts(const plShader* src) { fConsts = src->fConsts; } |
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void SetInputFormat(UInt8 format) { fInput = format; } |
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void SetOutputFormat(UInt8 format) { fOutput = format; } |
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UInt8 GetInputFormat() const { return fInput; } |
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UInt8 GetOutputFormat() const { return fOutput; } |
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UInt32 GetNumPipeConsts() const { return fPipeConsts.GetCount(); } |
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const plPipeConst& GetPipeConst(int i) const { return fPipeConsts[i]; } |
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plPipeConst::Type GetPipeConstType(int i) const { return fPipeConsts[i].fType; } |
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UInt16 GetPipeConstReg(int i) const { return fPipeConsts[i].fReg; } |
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void SetNumPipeConsts(int n); |
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void SetPipeConst(int i, const plPipeConst& c) { fPipeConsts[i] = c; } |
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void SetPipeConst(int i, plPipeConstType t, UInt16 r) { fPipeConsts[i].fType = t; fPipeConsts[i].fReg = r; } |
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void SetPipeConstType(int i, plPipeConstType t) { fPipeConsts[i].fType = t; } |
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void SetPipeConstReg(int i, UInt16 r) { fPipeConsts[i].fReg = r; } |
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}; |
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#endif // plShader_inc
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