// Copyright (c) 2012- PPSSPP Project. // 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, version 2.0 or later versions. // 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 2.0 for more details. // A copy of the GPL 2.0 should have been included with the program. // If not, see http://www.gnu.org/licenses/ // Official git repository and contact information can be found at // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/. #pragma once #include "../Globals.h" #include "base/basictypes.h" struct DecodedVertex { float pos[3]; // in case of morph, preblend during decode float normal[3]; // in case of morph, preblend during decode float uv[2]; // scaled by uscale, vscale, if there u8 color[4]; // unlit float weights[8]; // ugh, expensive }; struct TransformedVertex { float x, y, z; // in case of morph, preblend during decode float uv[2]; // scaled by uscale, vscale, if there float color0[4]; // prelit float color1[4]; // prelit }; // Right now // - only contains computed information // - does decoding in nasty branchfilled loops // Future TODO // - will compile into lighting fast specialized x86 // - will not bother translating components that can be read directly // by OpenGL ES. Will still have to translate 565 colors, and things // like that. DecodedVertex will not be a fixed struct. Will have to // do morphing here. // // We want 100% perf on 1Ghz even in vertex complex games! class VertexDecoder { public: VertexDecoder() : coloff(0), nrmoff(0), posoff(0) {} ~VertexDecoder() {} void SetVertexType(u32 fmt); void DecodeVerts(DecodedVertex *decoded, const void *verts, const void *inds, int prim, int count, int *indexLowerBound, int *indexUpperBound) const; private: u32 fmt; bool throughmode; int biggest; int size; int onesize_; int weightoff; int tcoff; int coloff; int nrmoff; int posoff; int tc; int col; int nrm; int pos; int weighttype; int idx; int morphcount; int nweights; };