ppsspp/GPU/Software/Sampler.h
2021-12-04 13:04:53 -08:00

90 lines
2.6 KiB
C++

// Copyright (c) 2017- 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 "ppsspp_config.h"
#include <unordered_map>
#include "GPU/Math3D.h"
#include "GPU/Software/FuncId.h"
#include "GPU/Software/RasterizerRegCache.h"
namespace Sampler {
typedef u32 (*NearestFunc)(int u, int v, const u8 *tptr, int bufw, int level);
NearestFunc GetNearestFunc();
typedef u32 (*LinearFunc)(int u[4], int v[4], int frac_u, int frac_v, const u8 *tptr, int bufw, int level);
LinearFunc GetLinearFunc();
struct Funcs {
NearestFunc nearest;
LinearFunc linear;
};
static inline Funcs GetFuncs() {
Funcs f;
f.nearest = GetNearestFunc();
f.linear = GetLinearFunc();
return f;
}
void Init();
void Shutdown();
bool DescribeCodePtr(const u8 *ptr, std::string &name);
class SamplerJitCache : public Rasterizer::CodeBlock {
public:
SamplerJitCache();
void ComputeSamplerID(SamplerID *id_out, bool linear);
// Returns a pointer to the code to run.
NearestFunc GetNearest(const SamplerID &id);
LinearFunc GetLinear(const SamplerID &id);
void Clear();
std::string DescribeCodePtr(const u8 *ptr);
std::string DescribeSamplerID(const SamplerID &id);
private:
NearestFunc Compile(const SamplerID &id);
LinearFunc CompileLinear(const SamplerID &id);
bool Jit_ReadTextureFormat(const SamplerID &id);
bool Jit_GetTexData(const SamplerID &id, int bitsPerTexel);
bool Jit_GetTexDataSwizzled(const SamplerID &id, int bitsPerTexel);
bool Jit_GetTexDataSwizzled4();
bool Jit_Decode5650();
bool Jit_Decode5551();
bool Jit_Decode4444();
bool Jit_TransformClutIndex(const SamplerID &id, int bitsPerIndex);
bool Jit_ReadClutColor(const SamplerID &id);
bool Jit_GetDXT1Color(const SamplerID &id, int blockSize, int alpha);
bool Jit_ApplyDXTAlpha(const SamplerID &id);
#if PPSSPP_ARCH(ARM64)
Arm64Gen::ARM64FloatEmitter fp;
#endif
std::unordered_map<SamplerID, NearestFunc> cache_;
std::unordered_map<SamplerID, const u8 *> addresses_;
Rasterizer::RegCache regCache_;
};
};