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https://github.com/hrydgard/ppsspp.git
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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
// Copyright (c) 2013- PPSSPP Project.
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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, version 2.0 or later versions.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "Common/CommonTypes.h"
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#include "GPU/Math3D.h"
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#include "GPU/ge_constants.h"
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// PSP compatible format so we can use the end of the pipeline in beziers etc
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struct SimpleVertex {
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float uv[2];
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union {
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u8 color[4];
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u32_le color_32;
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};
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Vec3Packedf nrm;
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Vec3Packedf pos;
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};
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// We decode all vertices into a common format for easy interpolation and stuff.
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// Not fast but can be optimized later.
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struct BezierPatch {
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SimpleVertex *points[16];
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// These are used to generate UVs.
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int u_index, v_index;
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int index;
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GEPatchPrimType primType;
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bool computeNormals;
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bool patchFacing;
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};
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struct SplinePatchLocal {
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SimpleVertex **points;
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int tess_u;
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int tess_v;
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int count_u;
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int count_v;
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int type_u;
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int type_v;
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bool computeNormals;
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bool patchFacing;
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GEPatchPrimType primType;
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};
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enum SplineQuality {
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LOW_QUALITY = 0,
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MEDIUM_QUALITY = 1,
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HIGH_QUALITY = 2,
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};
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void TesselateSplinePatch(u8 *&dest, u16 *indices, int &count, const SplinePatchLocal &spatch, u32 origVertType, int maxVertices);
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void TesselateBezierPatch(u8 *&dest, u16 *&indices, int &count, int tess_u, int tess_v, const BezierPatch &patch, u32 origVertType, int maxVertices);
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