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Diffstat (limited to 'src/video_core/src/renderer_opengl/renderer_opengl.h')
| -rw-r--r-- | src/video_core/src/renderer_opengl/renderer_opengl.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/video_core/src/renderer_opengl/renderer_opengl.h b/src/video_core/src/renderer_opengl/renderer_opengl.h new file mode 100644 index 00000000..b84afc5d --- /dev/null +++ b/src/video_core/src/renderer_opengl/renderer_opengl.h @@ -0,0 +1,153 @@ +/** + * Copyright (C) 2014 Citra Emulator + * + * @file renderer_opengl.h + * @author bunnei + * @date 2014-04-05 + * @brief Renderer for OpenGL 3.x + * + * @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 <GL/glew.h> + + +#include "common.h" +#include "emu_window.h" + +#include "renderer_base.h" + + +class RendererOpenGL : virtual public RendererBase { +public: + + static const int kMaxFramebuffers = 2; ///< Maximum number of framebuffers + + RendererOpenGL(); + ~RendererOpenGL(); + + /// Swap buffers (render frame) + void SwapBuffers(); + + /** + * Renders external framebuffer (XFB) + * @param src_rect Source rectangle in XFB to copy + * @param dst_rect Destination rectangle in output framebuffer to copy to + */ + void RenderXFB(const Rect& src_rect, const Rect& dst_rect); + + /** + * 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 + */ + void CopyToXFB(const Rect& src_rect, const Rect& dst_rect); + + /** + * 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 + */ + void Clear(const Rect& rect, bool enable_color, bool enable_alpha, bool enable_z, + u32 color, u32 z); + + /// Sets the renderer viewport location, width, and height + void SetViewport(int x, int y, int width, int height); + + /// Sets the renderer depthrange, znear and zfar + void SetDepthRange(double znear, double zfar); + + /* Sets the scissor box + * @param rect Renderer rectangle to set scissor box to + */ + void SetScissorBox(const Rect& rect); + + /** + * Sets the line and point size + * @param line_width Line width to use + * @param point_size Point size to use + */ + void SetLinePointSize(f32 line_width, f32 point_size); + + /** + * Set a specific render mode + * @param flag Render flags mode to enable + */ + void SetMode(kRenderMode flags); + + /// Reset the full renderer API to the NULL state + void ResetRenderState(); + + /// Restore the full renderer API state - As the game set it + void RestoreRenderState(); + + /** + * Set the emulator window to use for renderer + * @param window EmuWindow handle to emulator window to use for rendering + */ + void SetWindow(EmuWindow* window); + + /// Initialize the renderer + void Init(); + + /// Shutdown the renderer + void ShutDown(); + + // Framebuffer object(s) + // --------------------- + + GLuint fbo_[kMaxFramebuffers]; ///< Framebuffer objects + +private: + + /// Initialize the FBO + void InitFramebuffer(); + + // Blit the FBO to the OpenGL default framebuffer + void RenderFramebuffer(); + + /// Updates the framerate + void UpdateFramerate(); + + EmuWindow* render_window_; + u32 last_mode_; ///< Last render mode + + int resolution_width_; + int resolution_height_; + + // Render buffers + // -------------- + + GLuint fbo_rbo_[kMaxFramebuffers]; ///< Render buffer objects + GLuint fbo_depth_buffers_[kMaxFramebuffers]; ///< Depth buffers objects + + // External framebuffers + // --------------------- + + GLuint xfb_texture_top_; ///< GL handle to top framebuffer texture + GLuint xfb_texture_bottom_; ///< GL handle to bottom framebuffer texture + + GLuint xfb_top_; + GLuint xfb_bottom_; + + DISALLOW_COPY_AND_ASSIGN(RendererOpenGL); +};
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