ppsspp/GPU/Software/Sampler.h

161 lines
6.1 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 <unordered_set>
#include "Common/Data/Collections/Hashmaps.h"
#include "GPU/Math3D.h"
#include "GPU/Software/FuncId.h"
#include "GPU/Software/RasterizerRegCache.h"
class BinManager;
namespace Sampler {
// Our std::unordered_map argument will ignore the alignment attribute, but that doesn't matter.
// We'll still have and want it for the actual function call, to keep the args in vector registers.
#if defined(__clang__) || defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wignored-attributes"
#endif
typedef Rasterizer::Vec4IntResult(SOFTRAST_CALL *FetchFunc)(int u, int v, const u8 *tptr, int bufw, int level, const SamplerID &samplerID);
FetchFunc GetFetchFunc(SamplerID id, BinManager *binner);
typedef Rasterizer::Vec4IntResult (SOFTRAST_CALL *NearestFunc)(float s, float t, Rasterizer::Vec4IntArg prim_color, const u8 *const *tptr, const uint16_t *bufw, int level, int levelFrac, const SamplerID &samplerID);
NearestFunc GetNearestFunc(SamplerID id, BinManager *binner);
typedef Rasterizer::Vec4IntResult (SOFTRAST_CALL *LinearFunc)(float s, float t, Rasterizer::Vec4IntArg prim_color, const u8 *const *tptr, const uint16_t *bufw, int level, int levelFrac, const SamplerID &samplerID);
LinearFunc GetLinearFunc(SamplerID id, BinManager *binner);
void Init();
void FlushJit();
void Shutdown();
bool DescribeCodePtr(const u8 *ptr, std::string &name);
class SamplerJitCache : public Rasterizer::CodeBlock {
public:
SamplerJitCache();
// Returns a pointer to the code to run.
NearestFunc GetNearest(const SamplerID &id, BinManager *binner);
LinearFunc GetLinear(const SamplerID &id, BinManager *binner);
FetchFunc GetFetch(const SamplerID &id, BinManager *binner);
void Clear() override;
void Flush();
std::string DescribeCodePtr(const u8 *ptr) override;
private:
void Compile(const SamplerID &id);
NearestFunc GetByID(const SamplerID &id, size_t key, BinManager *binner);
FetchFunc CompileFetch(const SamplerID &id);
NearestFunc CompileNearest(const SamplerID &id);
LinearFunc CompileLinear(const SamplerID &id);
Rasterizer::RegCache::Reg GetSamplerID();
void UnlockSamplerID(Rasterizer::RegCache::Reg &r);
void WriteConstantPool(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(const SamplerID &id);
bool Jit_Decode5650(const SamplerID &id);
bool Jit_Decode5551(const SamplerID &id);
bool Jit_Decode4444(const SamplerID &id);
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);
bool Jit_GetTexelCoords(const SamplerID &id);
bool Jit_GetTexelCoordsQuad(const SamplerID &id);
bool Jit_PrepareDataOffsets(const SamplerID &id, Rasterizer::RegCache::Reg uReg, Rasterizer::RegCache::Reg vReg, bool level1);
bool Jit_PrepareDataDirectOffsets(const SamplerID &id, Rasterizer::RegCache::Reg uReg, Rasterizer::RegCache::Reg vReg, bool level1, int bitsPerTexel);
bool Jit_PrepareDataSwizzledOffsets(const SamplerID &id, Rasterizer::RegCache::Reg uReg, Rasterizer::RegCache::Reg vReg, bool level1, int bitsPerTexel);
bool Jit_PrepareDataDXTOffsets(const SamplerID &id, Rasterizer::RegCache::Reg uReg, Rasterizer::RegCache::Reg vReg, bool level1, int blockSize);
bool Jit_FetchQuad(const SamplerID &id, bool level1);
bool Jit_GetDataQuad(const SamplerID &id, bool level1, int bitsPerTexel);
bool Jit_TransformClutIndexQuad(const SamplerID &id, int bitsPerIndex);
bool Jit_ReadClutQuad(const SamplerID &id, bool level1);
bool Jit_BlendQuad(const SamplerID &id, bool level1);
bool Jit_DecodeQuad(const SamplerID &id, bool level1);
bool Jit_Decode5650Quad(const SamplerID &id, Rasterizer::RegCache::Reg quadReg);
bool Jit_Decode5551Quad(const SamplerID &id, Rasterizer::RegCache::Reg quadReg);
bool Jit_Decode4444Quad(const SamplerID &id, Rasterizer::RegCache::Reg quadReg);
bool Jit_ApplyTextureFunc(const SamplerID &id);
#if PPSSPP_ARCH(AMD64) || PPSSPP_ARCH(X86)
int stackArgPos_ = 0;
int stackIDOffset_ = -1;
int stackLevelOffset_ = -1;
int stackUV1Offset_ = 0;
#endif
const u8 *constWidthHeight256f_ = nullptr;
const u8 *constWidthMinus1i_ = nullptr;
const u8 *constHeightMinus1i_ = nullptr;
const u8 *constUNext_ = nullptr;
const u8 *constVNext_ = nullptr;
const u8 *constOnes32_ = nullptr;
const u8 *constOnes16_ = nullptr;
const u8 *constMaxTexel32_ = nullptr;
const u8 *const10All16_ = nullptr;
const u8 *const10Low_ = nullptr;
const u8 *const10All8_ = nullptr;
const u8 *const5551Swizzle_ = nullptr;
const u8 *const5650Swizzle_ = nullptr;
struct LastCache {
size_t key;
NearestFunc func;
int gen = -1;
bool Match(size_t k, int g) const {
return key == k && gen == g;
}
void Set(size_t k, NearestFunc f, int g) {
key = k;
func = f;
gen = g;
}
};
DenseHashMap<size_t, NearestFunc> cache_;
std::unordered_map<SamplerID, const u8 *> addresses_;
std::unordered_set<SamplerID> compileQueue_;
static int clearGen_;
static thread_local LastCache lastFetch_;
static thread_local LastCache lastNearest_;
static thread_local LastCache lastLinear_;
};
#if defined(__clang__) || defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
};