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/**
* Copyright (C) 2014 Citra Emulator
*
* @file renderer_base.h
* @author bunnei
* @date 2014-04-05
* @brief Renderer base class for new video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include "common.h"
#include "hash.h"
class RendererBase {
public:
/// Used to reference a framebuffer
enum kFramebuffer {
kFramebuffer_VirtualXFB = 0,
kFramebuffer_EFB,
kFramebuffer_Texture
};
/// Used for referencing the render modes
enum kRenderMode {
kRenderMode_None = 0,
kRenderMode_Multipass = 1,
kRenderMode_ZComp = 2,
kRenderMode_UseDstAlpha = 4
};
RendererBase() : current_fps_(0), current_frame_(0) {
}
~RendererBase() {
}
/**
* Blits the EFB to the external framebuffer (XFB)
* @param src_rect Source rectangle in EFB to copy
* @param dst_rect Destination rectangle in EFB to copy to
* @param dest_height Destination height in pixels
*/
virtual void CopyToXFB(const Rect& src_rect, const Rect& dst_rect) = 0;
/**
* Clear the screen
* @param rect Screen rectangle to clear
* @param enable_color Enable color clearing
* @param enable_alpha Enable alpha clearing
* @param enable_z Enable depth clearing
* @param color Clear color
* @param z Clear depth
*/
virtual void Clear(const Rect& rect, bool enable_color, bool enable_alpha, bool enable_z,
u32 color, u32 z) = 0;
/**
* Set a specific render mode
* @param flag Render flags mode to enable
*/
virtual void SetMode(kRenderMode flags) = 0;
/// Reset the full renderer API to the NULL state
virtual void ResetRenderState() = 0;
/// Restore the full renderer API state - As the game set it
virtual void RestoreRenderState() = 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 void Init() = 0;
/// Shutdown the renderer
virtual void ShutDown() = 0;
/// Converts EFB rectangle coordinates to renderer rectangle coordinates
//static Rect EFBToRendererRect(const Rect& rect) {
// return Rect(rect.x0_, kGCEFBHeight - rect.y0_, rect.x1_, kGCEFBHeight - rect.y1_);
//}
// Getter/setter functions:
// ------------------------
f32 current_fps() const { return current_fps_; }
int current_frame() const { return current_frame_; }
protected:
f32 current_fps_; ///< Current framerate, should be set by the renderer
int current_frame_; ///< Current frame, should be set by the renderer
private:
DISALLOW_COPY_AND_ASSIGN(RendererBase);
};
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