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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <memory>
#include <optional>
#include "common/common_types.h"
#include "core/frontend/emu_window.h"
#include "video_core/gpu.h"
#include "video_core/rasterizer_interface.h"
namespace Core::Frontend {
class EmuWindow;
class GraphicsContext;
} // namespace Core::Frontend
namespace VideoCore {
struct RendererSettings {
std::atomic_bool use_framelimiter{false};
std::atomic_bool set_background_color{false};
// Screenshot
std::atomic<bool> screenshot_requested{false};
void* screenshot_bits{};
std::function<void()> screenshot_complete_callback;
Layout::FramebufferLayout screenshot_framebuffer_layout;
};
class RendererBase : NonCopyable {
public:
explicit RendererBase(Core::Frontend::EmuWindow& window,
std::unique_ptr<Core::Frontend::GraphicsContext> context);
virtual ~RendererBase();
/// Initialize the renderer
virtual bool Init() = 0;
/// Shutdown the renderer
virtual void ShutDown() = 0;
/// Finalize rendering the guest frame and draw into the presentation texture
virtual void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) = 0;
/// Draws the latest frame to the window waiting timeout_ms for a frame to arrive (Renderer
/// specific implementation)
/// Returns true if a frame was drawn
virtual bool TryPresent(int timeout_ms) = 0;
// Getter/setter functions:
// ------------------------
f32 GetCurrentFPS() const {
return m_current_fps;
}
int GetCurrentFrame() const {
return m_current_frame;
}
RasterizerInterface& Rasterizer() {
return *rasterizer;
}
const RasterizerInterface& Rasterizer() const {
return *rasterizer;
}
Core::Frontend::GraphicsContext& Context() {
return *context;
}
const Core::Frontend::GraphicsContext& Context() const {
return *context;
}
Core::Frontend::EmuWindow& GetRenderWindow() {
return render_window;
}
const Core::Frontend::EmuWindow& GetRenderWindow() const {
return render_window;
}
RendererSettings& Settings() {
return renderer_settings;
}
const RendererSettings& Settings() const {
return renderer_settings;
}
/// Refreshes the settings common to all renderers
void RefreshBaseSettings();
/// Request a screenshot of the next frame
void RequestScreenshot(void* data, std::function<void()> callback,
const Layout::FramebufferLayout& layout);
protected:
Core::Frontend::EmuWindow& render_window; ///< Reference to the render window handle.
std::unique_ptr<RasterizerInterface> rasterizer;
std::unique_ptr<Core::Frontend::GraphicsContext> context;
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
RendererSettings renderer_settings;
private:
/// Updates the framebuffer layout of the contained render window handle.
void UpdateCurrentFramebufferLayout();
};
} // namespace VideoCore
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