dolphin/Source/Core/VideoCommon/PostProcessing.h
Ryan Houdek 6bdc32c54a Add the VideoCommon PostProcessing class.
This class loads all the common PP shader configuration options and passes those options through to a inherited class that OpenGL or D3D will have.
Makes it so all the common code for PP shaders is in VideoCommon instead of duplicating the code across each backend.
2014-08-13 01:05:10 -05:00

105 lines
2.6 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <string>
#include <vector>
#include "Common/StringUtil.h"
#include "Common/Timer.h"
class PostProcessingShaderConfiguration
{
public:
struct ConfigurationOption
{
enum OptionType
{
OPTION_BOOL = 0,
OPTION_FLOAT,
OPTION_INTEGER,
};
bool m_bool_value;
std::vector<float> m_float_values;
std::vector<s32> m_integer_values;
std::vector<float> m_float_min_values;
std::vector<s32> m_integer_min_values;
std::vector<float> m_float_max_values;
std::vector<s32> m_integer_max_values;
std::vector<float> m_float_step_values;
std::vector<s32> m_integer_step_values;
OptionType m_type;
std::string m_gui_name;
std::string m_option_name;
std::string m_dependent_option;
bool m_dirty;
};
typedef std::map<std::string, ConfigurationOption> ConfigMap;
PostProcessingShaderConfiguration() : m_current_shader("") {}
virtual ~PostProcessingShaderConfiguration() {}
// Loads the configuration with a shader
// If the argument is "" the class will load the shader from the g_activeConfig option.
// Returns the loaded shader source from file
std::string LoadShader(std::string shader = "");
void SaveOptionsConfiguration();
void ReloadShader();
std::string GetShader() { return m_current_shader; }
bool IsDirty() { return m_any_options_dirty; }
void SetDirty(bool dirty) { m_any_options_dirty = dirty; }
bool HasOptions() { return m_options.size() > 0; }
ConfigMap& GetOptions() { return m_options; }
const ConfigurationOption& GetOption(const std::string& option) { return m_options[option]; }
// For updating option's values
void SetOptionf(std::string option, int index, float value);
void SetOptioni(std::string option, int index, s32 value);
void SetOptionb(std::string option, bool value);
private:
bool m_any_options_dirty;
std::string m_current_shader;
ConfigMap m_options;
void LoadOptions(const std::string& code);
void LoadOptionsConfiguration();
};
class PostProcessingShaderImplementation
{
public:
PostProcessingShaderImplementation();
virtual ~PostProcessingShaderImplementation();
PostProcessingShaderConfiguration* GetConfig() { return &m_config; }
// Should be implemented by the backends for backend specific code
virtual void BindTargetFramebuffer() = 0;
virtual void BlitToScreen() = 0;
virtual void Update(u32 width, u32 height) = 0;
virtual void ApplyShader() = 0;
protected:
bool m_enable;
u32 m_width;
u32 m_height;
// Timer for determining our time value
Common::Timer m_timer;
PostProcessingShaderConfiguration m_config;
};