mirror of
https://github.com/dolphin-emu/dolphin.git
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aff0f1fbe3
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2364 8ced0084-cf51-0410-be5f-012b33b47a6e
136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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// How the non-true-XFB mode COULD work:
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//
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// The game renders to the EFB:
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//
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// ----------------------+
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// | |
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// | |
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// | |
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// | |
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// | |
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// | | efb_height
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// | |
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// | |
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// | - - - - - - - - - - |
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// | |
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// +---------------------+
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// efb_width
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//
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// At XFB blit time, the top 640-xxx X XXX part of the above buffer (size dotted below),
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// should be stretch blitted into the inner rectangle of the window:
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// +-----------------------------------------+
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// | | | |
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// | | . | |
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// | | | |
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// | | . | |
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// | | | |
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// | | . | | OpenGL_Height()
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// | | | |
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// | | . | |
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// | | - - - - - - - - - - | |
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// | | \ | |
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// +-------+---------------------------------+
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// OpenGL_Width()
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//
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//
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// efb_width and efb_height can even be adjusted so that the last blit will result
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// in a 1:1 rather than a stretch. That would require creating a bigger efb from the
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// start though.
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//
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// The above is not how it works today.
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/*
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int win_w = OpenGL_Width();
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int win_h = OpenGL_Height();
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int blit_w_640 = last_xfb_specified_width;
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int blit_h_640 = last_xfb_specified_height;
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*/
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#ifndef GCOGL_RENDER
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#define GCOGL_RENDER
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#include "TextureMngr.h"
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#include <Cg/cg.h>
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#include <Cg/cgGL.h>
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extern CGcontext g_cgcontext;
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extern CGprofile g_cgvProf, g_cgfProf;
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extern int frameCount;
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class Renderer
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{
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private:
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static void FlushZBufferAlphaToTarget();
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public:
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enum RenderMode
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{
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RM_Normal=0, // normal target as color0, ztarget as color1
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RM_ZBufferOnly, // zbuffer as color0
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RM_ZBufferAlpha, // zbuffer as color0, also will dump alpha info to regular target once mode is switched
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// use stencil buffer to indicate what pixels were written
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};
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static bool Init();
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static void Shutdown();
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// initialize opengl standard values (like viewport)
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static bool InitializeGL();
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static void ResetGLState();
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static void RestoreGLState();
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static void SwapBuffers();
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static bool IsUsingATIDrawBuffers();
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static bool HaveStencilBuffer();
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static void SetColorMask();
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static void SetBlendMode(bool forceUpdate);
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static bool SetScissorRect();
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static void SetRenderMode(RenderMode mode);
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static RenderMode GetRenderMode();
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// Render target management
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static int GetTargetWidth();
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static int GetTargetHeight();
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static void SetFramebuffer(GLuint fb);
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static void SetZBufferRender(); // sets rendering of the zbuffer using MRTs
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static void SetRenderTarget(GLuint targ); // if targ is 0, sets to original render target
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static void SetDepthTarget(GLuint targ);
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static GLuint GetRenderTarget();
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static GLuint GetZBufferTarget();
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// Random utilities
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static void RenderText(const char* pstr, int left, int top, u32 color);
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static bool SaveRenderTarget(const char* filename, int jpeg);
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// Finish up the current frame, print some stats
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static void Swap(const TRectangle& rc);
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};
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#endif
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