From 63e46abdb8764bc97e91bae862c8d461e61b1965 Mon Sep 17 00:00:00 2001
From: bunnei <ericbunnie@gmail.com>
Date: Tue, 8 Apr 2014 19:25:03 -0400
Subject: got rid of 'src' folders in each sub-project

---
 src/video_core/renderer_opengl/renderer_opengl.h | 91 ++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/video_core/renderer_opengl/renderer_opengl.h

(limited to 'src/video_core/renderer_opengl/renderer_opengl.h')

diff --git a/src/video_core/renderer_opengl/renderer_opengl.h b/src/video_core/renderer_opengl/renderer_opengl.h
new file mode 100644
index 00000000..86dc7b70
--- /dev/null
+++ b/src/video_core/renderer_opengl/renderer_opengl.h
@@ -0,0 +1,91 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#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);
+
+    /** 
+     * 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();
+
+private:
+
+    /// Initialize the FBO
+    void InitFramebuffer();
+
+    // Blit the FBO to the OpenGL default framebuffer
+    void RenderFramebuffer();
+
+    /// Updates the framerate
+    void UpdateFramerate();
+
+    /**
+     * Helper function to flip framebuffer from left-to-right to top-to-bottom
+     * @param addr Address of framebuffer in RAM
+     * @param out Pointer to output buffer with flipped framebuffer
+     * @todo Early on hack... I'd like to find a more efficient way of doing this /bunnei
+     */
+    void RendererOpenGL::FlipFramebuffer(u32 addr, u8* out);
+
+
+    EmuWindow*  m_render_window;                    ///< Handle to render window
+    u32         m_last_mode;                        ///< Last render mode
+
+    int m_resolution_width;                         ///< Current resolution width
+    int m_resolution_height;                        ///< Current resolution height
+
+    // Framebuffers
+    // ------------
+
+    GLuint m_fbo[kMaxFramebuffers];                 ///< Framebuffer objects
+    GLuint m_fbo_rbo[kMaxFramebuffers];             ///< Render buffer objects
+    GLuint m_fbo_depth_buffers[kMaxFramebuffers];   ///< Depth buffers objects
+
+    GLuint m_xfb_texture_top;                       ///< GL handle to top framebuffer texture
+    GLuint m_xfb_texture_bottom;                    ///< GL handle to bottom framebuffer texture
+           
+    GLuint m_xfb_top;                               ///< GL handle to top framebuffer
+    GLuint m_xfb_bottom;                            ///< GL handle to bottom framebuffer
+
+    // "Flipped" framebuffers translate scanlines from native 3DS left-to-right to top-to-bottom
+    // as OpenGL expects them in a texture. There probably is a more efficient way of doing this:
+
+    u8 m_xfb_top_flipped[VideoCore::kScreenTopWidth * VideoCore::kScreenTopWidth * 4]; 
+    u8 m_xfb_bottom_flipped[VideoCore::kScreenTopWidth * VideoCore::kScreenTopWidth * 4];   
+
+    DISALLOW_COPY_AND_ASSIGN(RendererOpenGL);
+};
\ No newline at end of file
-- 
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