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engines/hpl1/engine/graphics/GPUProgram.h

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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