mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-27 15:30:35 +00:00
55 lines
2.3 KiB
C++
55 lines
2.3 KiB
C++
// 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 "Common/CommonTypes.h"
|
|
#include "Common/MemoryUtil.h"
|
|
|
|
static const int MIN_TEXSCALE_LINES_PER_THREAD = 4;
|
|
|
|
// The texture scaler requires input to be in R8G8B8A8.
|
|
// (It's OK if you flip R and B as they are not treated very differently from each other.
|
|
// They will of course not unflip during the operation so be aware of that).
|
|
class TextureScalerCommon {
|
|
public:
|
|
TextureScalerCommon();
|
|
~TextureScalerCommon();
|
|
|
|
void ScaleAlways(u32 *out, u32 *src, int &width, int &height, int factor);
|
|
bool Scale(u32 *&data, int &width, int &height, int factor);
|
|
bool ScaleInto(u32 *out, u32 *src, int &width, int &height, int factor);
|
|
|
|
enum { XBRZ = 0, HYBRID = 1, BICUBIC = 2, HYBRID_BICUBIC = 3 };
|
|
|
|
protected:
|
|
void ScaleXBRZ(int factor, u32* source, u32* dest, int width, int height);
|
|
void ScaleBilinear(int factor, u32* source, u32* dest, int width, int height);
|
|
void ScaleBicubicBSpline(int factor, u32* source, u32* dest, int width, int height);
|
|
void ScaleBicubicMitchell(int factor, u32* source, u32* dest, int width, int height);
|
|
void ScaleHybrid(int factor, u32* source, u32* dest, int width, int height, bool bicubic = false);
|
|
|
|
void DePosterize(u32* source, u32* dest, int width, int height);
|
|
|
|
bool IsEmptyOrFlat(const u32 *data, int pixels) const;
|
|
|
|
// depending on the factor and texture sizes, these can get pretty large
|
|
// maximum is (100 MB total for a 512 by 512 texture with scaling factor 5 and hybrid scaling)
|
|
// of course, scaling factor 5 is totally silly anyway
|
|
SimpleBuf<u32> bufDeposter, bufOutput, bufTmp1, bufTmp2, bufTmp3;
|
|
};
|