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// Copyright 2011 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <tuple>
#include "Common/LinearDiskCache.h"
#include "Common/GL/GLUtil.h"
#include "Core/ConfigManager.h"
#include "VideoCommon/GeometryShaderGen.h"
#include "VideoCommon/PixelShaderGen.h"
#include "VideoCommon/VertexShaderGen.h"
namespace OGL
{
class SHADERUID
{
public:
VertexShaderUid vuid;
PixelShaderUid puid;
GeometryShaderUid guid;
bool operator <(const SHADERUID& r) const
{
return std::tie(puid, vuid, guid) <
std::tie(r.puid, r.vuid, r.guid);
}
bool operator ==(const SHADERUID& r) const
{
return std::tie(puid, vuid, guid) ==
std::tie(r.puid, r.vuid, r.guid);
}
};
struct SHADER
{
SHADER() : glprogid(0) { }
void Destroy()
{
glDeleteProgram(glprogid);
glprogid = 0;
}
GLuint glprogid; // OpenGL program id
std::string strvprog, strpprog, strgprog;
void SetProgramVariables();
void SetProgramBindings();
void Bind();
};
class ProgramShaderCache
{
public:
struct PCacheEntry
{
SHADER shader;
bool in_cache;
void Destroy()
{
shader.Destroy();
}
};
static PCacheEntry GetShaderProgram();
static SHADER* SetShader(DSTALPHA_MODE dstAlphaMode, u32 primitive_type);
static void GetShaderId(SHADERUID *uid, DSTALPHA_MODE dstAlphaMode, u32 primitive_type);
static bool CompileShader(SHADER &shader, const std::string& vcode, const std::string& pcode, const std::string& gcode = "");
static GLuint CompileSingleShader(GLuint type, const std::string& code);
static void UploadConstants();
static void Init();
static void Shutdown();
static void CreateHeader();
private:
class ProgramShaderCacheInserter : public LinearDiskCacheReader<SHADERUID, u8>
{
public:
void Read(const SHADERUID &key, const u8 *value, u32 value_size) override;
};
typedef std::map<SHADERUID, PCacheEntry> PCache;
static PCache pshaders;
static PCacheEntry* last_entry;
static SHADERUID last_uid;
static UidChecker<PixelShaderUid, ShaderCode> pixel_uid_checker;
static UidChecker<VertexShaderUid, ShaderCode> vertex_uid_checker;
static UidChecker<GeometryShaderUid, ShaderCode> geometry_uid_checker;
static u32 s_ubo_buffer_size;
static s32 s_ubo_align;
};
} // namespace OGL
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