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suyu/src/video_core/renderer_base.h

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C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <boost/optional.hpp>
#include "common/assert.h"
#include "common/common_types.h"
class EmuWindow;
class RendererBase : NonCopyable {
public:
/// Used to reference a framebuffer
enum kFramebuffer { kFramebuffer_VirtualXFB = 0, kFramebuffer_EFB, kFramebuffer_Texture };
/**
* Struct describing framebuffer metadata
* TODO(bunnei): This struct belongs in the GPU code, but we don't have a good place for it yet.
*/
struct FramebufferInfo {
enum class PixelFormat : u32 {
ABGR8 = 1,
};
/**
* Returns the number of bytes per pixel.
*/
static u32 BytesPerPixel(PixelFormat format) {
switch (format) {
case PixelFormat::ABGR8:
return 4;
}
UNREACHABLE();
}
VAddr address;
u32 offset;
u32 width;
u32 height;
u32 stride;
PixelFormat pixel_format;
bool flip_vertical;
};
virtual ~RendererBase() {}
/// Swap buffers (render frame)
virtual void SwapBuffers(boost::optional<const FramebufferInfo&> framebuffer_info) = 0;
/**
* Set the emulator window to use for renderer
* @param window EmuWindow handle to emulator window to use for rendering
*/
virtual void SetWindow(EmuWindow* window) = 0;
/// Initialize the renderer
virtual bool Init() = 0;
/// Shutdown the renderer
virtual void ShutDown() = 0;
// Getter/setter functions:
// ------------------------
f32 GetCurrentFPS() const {
return m_current_fps;
}
int GetCurrentFrame() const {
return m_current_frame;
}
void RefreshRasterizerSetting();
protected:
f32 m_current_fps = 0.0f; ///< Current framerate, should be set by the renderer
int m_current_frame = 0; ///< Current frame, should be set by the renderer
private:
bool opengl_rasterizer_active = false;
};