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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#ifndef HPL_GPU_PROGRAM_H
#define HPL_GPU_PROGRAM_H
#include "hpl1/engine/graphics/GraphicsTypes.h"
#include "hpl1/engine/math/MathTypes.h"
#include "hpl1/engine/resources/ResourceBase.h"
#include "hpl1/engine/system/SystemTypes.h"
namespace hpl {
class iTexture;
enum eGpuProgramType {
eGpuProgramType_Vertex,
eGpuProgramType_Fragment,
eGpuProgramType_LastEnum
};
enum eGpuProgramMatrix {
eGpuProgramMatrix_View,
eGpuProgramMatrix_Projection,
eGpuProgramMatrix_Texture,
eGpuProgramMatrix_ViewProjection,
eGpuProgramMatrix_LastEnum
};
enum eGpuProgramMatrixOp {
eGpuProgramMatrixOp_Identity,
eGpuProgramMatrixOp_Inverse,
eGpuProgramMatrixOp_Transpose,
eGpuProgramMatrixOp_InverseTranspose,
eGpuProgramMatrixOp_LastEnum
};
class iGpuProgram : public iResourceBase {
public:
iGpuProgram(const tString &asName) : iResourceBase(asName, 0) {
}
virtual ~iGpuProgram() {}
static void SetLogDebugInformation(bool abX) { mbDebugInfo = abX; }
/**
* Bind the program to the GPU
*/
virtual void Bind() = 0;
/**
* Unbind the program to the GPU
*/
virtual void UnBind() = 0;
virtual bool SetFloat(const tString &asName, float afX) = 0;
bool SetVec2f(const tString &asName, const cVector2f avVec) {
return SetVec2f(asName, avVec.x, avVec.y);
}
virtual bool SetVec2f(const tString &asName, float afX, float afY) = 0;
bool SetVec3f(const tString &asName, const cVector3f &avVec) {
return SetVec3f(asName, avVec.x, avVec.y, avVec.z);
}
bool SetColor3f(const tString &asName, const cColor &aCol) {
return SetVec3f(asName, aCol.r, aCol.g, aCol.b);
}
virtual bool SetVec3f(const tString &asName, float afX, float afY, float afZ) = 0;
bool SetColor4f(const tString &asName, const cColor &aCol) {
return SetVec4f(asName, aCol.r, aCol.g, aCol.b, aCol.a);
}
virtual bool SetVec4f(const tString &asName, float afX, float afY, float afZ, float afW) = 0;
virtual bool SetMatrixf(const tString &asName, const cMatrixf &mMtx) = 0;
virtual bool SetMatrixf(const tString &asName, eGpuProgramMatrix mType,
eGpuProgramMatrixOp mOp) = 0;
protected:
static bool mbDebugInfo;
};
} // namespace hpl
#endif // HPL_GPU_PROGRAM_H
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