mirror of https://github.com/BOINC/boinc.git
140 lines
5.5 KiB
C
Executable File
140 lines
5.5 KiB
C
Executable File
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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/*
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Contains: Functions to enable build and destory a GL fullscreen context
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Written by: Geoff Stahl (ggs)
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Copyright: Copyright © 1999 Apple Computer, Inc., All Rights Reserved
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Disclaimer: You may incorporate this sample code into your applications without
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restriction, though the sample code has been provided "AS IS" and the
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responsibility for its operation is 100% yours. However, what you are
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not permitted to do is to redistribute the source as "DSC Sample Code"
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after having made changes. If you're going to re-distribute the source,
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we require that you make it clear in the source that the code was
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descended from Apple Sample Code, but that you've made changes.
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Adapted to BOINC by Eric Heien
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*/
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// include control --------------------------------------------------
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#ifndef SetupGL_h
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#define SetupGL_h
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// includes ---------------------------------------------------------
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#ifdef __APPLE_CC__
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#include <DrawSprocket/DrawSprocket.h>
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#include <AGL/agl.h>
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#else
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#include <DrawSprocket.h>
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#include <agl.h>
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#include <gl.h>
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#endif
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// structures (public) -----------------------------------------------
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// structure for creating a fullscreen context
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struct structGLInfo // storage for setup info
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{
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SInt16 width; // input: width of drawable (screen width in full screen mode), return: actual width allocated
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SInt16 height; // input: height of drawable (screen height in full screen mode), return: actual height allocated
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UInt32 pixelDepth; // input: requested pixel depth
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GLint aglAttributes[64]; // input: pixel format attributes always required (reset to what was actually allocated)
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AGLPixelFormat fmt; // input: none; output pixel format...
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};
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typedef struct structGLInfo structGLInfo;
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typedef struct structGLInfo * pstructGLInfo;
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// structure for creating a context from a window
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struct structGLWindowInfo // storage for setup info
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{
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GLint aglAttributes[64]; // input: pixel format attributes always required (reset to what was actually allocated)
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AGLPixelFormat fmt; // input: none; output pixel format...
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// if so renderer check (accel) will look at all renderers vice just the current one
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// if window is not dragable renderer check will either check the single device or short
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// circuit to software if window spans multiple devices
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};
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typedef struct structGLWindowInfo structGLWindowInfo;
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typedef struct structGLWindowInfo * pstructGLWindowInfo;
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// public function declarations -------------------------------------
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// Destroys drawable and context
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// Ouputs: *paglDraw, *paglContext and *pdspContext should be 0 on exit
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OSStatus BuildGLonWindow (WindowPtr pWindow, AGLContext* paglContext, pstructGLWindowInfo pcontextInfo);
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// same as above but destorys a context that was associated with an existing window, window is left intacted
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OSStatus DestroyGLFromWindow (AGLContext* paglContext, pstructGLWindowInfo pcontextInfo);
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// Special suspend function to ensure the the GL window is hidden
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OSStatus SuspendFullScreenGL (AGLDrawable aglDraw, AGLContext aglContext);
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// Special resume function to ensure the the GL window is shown
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OSStatus ResumeFullScreenGL (AGLDrawable aglDraw, AGLContext aglContext);
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short FindGDHandleFromWindow (WindowPtr pWindow, GDHandle * phgdOnThisDevice);
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GLuint BuildFontGL (AGLContext ctx, GLint fontID, Style face, GLint size);
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void DeleteFontGL (GLuint fontList);
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// Error reporter, can be set to report however the application desires
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void ReportError (char * strError);
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// Error with numeric code reporter, can be set to report however the application desires
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void ReportErrorNum (char * strError, long numError);
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// Handle reporting of DSp errors, error code is passed through
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OSStatus DSpReportError (OSStatus error);
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// Handle reporting of agl errors, error code is passed through
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OSStatus aglReportError (void);
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// Handle reporting of OpenGL errors, error code is passed through
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OSStatus glReportError (void);
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void DoUpdate (AGLContext aglContext);
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extern WindowRef appGLWindow;
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// structures (public) -----------------------------------------------
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enum { fadeTicks = 10 };
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// public function declarations -------------------------------------
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OSStatus StartDSp (void);
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void ShutdownDSp (void);
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CGrafPtr GetDSpDrawable (DSpContextReference dspContext);
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void DestroyDSpContext (DSpContextReference* pdspContext);
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OSStatus DSpContext_CustomFadeGammaOut (DSpContextReference inContext, long fadeTicks);
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OSStatus DSpContext_CustomFadeGammaIn (DSpContextReference inContext, long fadeTicks);
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extern Boolean gDSpStarted;
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#endif // SetupGL_h
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