dolphin/Source/Core/VideoBackends/OGL/SamplerCache.h

47 lines
1.1 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <map>
#include <memory>
#include "Common/CommonTypes.h"
#include "Common/GL/GLUtil.h"
#include "VideoBackends/OGL/OGLRender.h"
namespace OGL
{
class SamplerCache
{
public:
SamplerCache();
~SamplerCache();
SamplerCache(const SamplerCache&) = delete;
SamplerCache& operator=(const SamplerCache&) = delete;
SamplerCache(SamplerCache&&) = delete;
SamplerCache& operator=(SamplerCache&&) = delete;
void SetSamplerState(u32 stage, const SamplerState& state);
void InvalidateBinding(u32 stage);
void Clear();
void BindNearestSampler(int stage);
void BindLinearSampler(int stage);
private:
static void SetParameters(GLuint sampler_id, const SamplerState& params);
std::map<SamplerState, GLuint> m_cache;
std::array<std::pair<SamplerState, GLuint>, 8> m_active_samplers{};
GLuint m_point_sampler;
GLuint m_linear_sampler;
};
extern std::unique_ptr<SamplerCache> g_sampler_cache;
} // namespace OGL