ppsspp/GPU/GLES/FragmentTestCacheGLES.h
2017-02-06 11:40:16 +01:00

86 lines
2.0 KiB
C++

// Copyright (c) 2014- 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 <map>
#include "Common/CommonTypes.h"
#include "ext/native/gfx/GLStateCache.h"
#include "GPU/GLES/TextureCacheGLES.h"
#include "GPU/ge_constants.h"
struct FragmentTestID {
union {
struct {
u32 alpha;
u32 colorRefFunc;
u32 colorMask;
};
u32 d[3];
};
bool operator < (const FragmentTestID &other) const {
for (size_t i = 0; i < sizeof(d) / sizeof(u32); i++) {
if (d[i] < other.d[i])
return true;
if (d[i] > other.d[i])
return false;
}
return false;
}
bool operator == (const FragmentTestID &other) const {
for (size_t i = 0; i < sizeof(d) / sizeof(u32); i++) {
if (d[i] != other.d[i])
return false;
}
return true;
}
};
struct FragmentTestTexture {
GLuint texture;
int lastFrame;
};
class FragmentTestCacheGLES {
public:
FragmentTestCacheGLES();
~FragmentTestCacheGLES();
void SetTextureCache(TextureCacheGLES *tc) {
textureCache_ = tc;
}
void BindTestTexture(GLenum unit);
void Clear(bool deleteThem = true);
void Decimate();
private:
GLuint CreateTestTexture(const GEComparison funcs[4], const u8 refs[4], const u8 masks[4], const bool valid[4]);
FragmentTestID GenerateTestID() const;
TextureCacheGLES *textureCache_;
std::map<FragmentTestID, FragmentTestTexture> cache_;
u8 *scratchpad_;
GLuint lastTexture_;
int decimationCounter_;
};