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author | tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2009-03-21 19:25:18 +0000 |
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committer | tobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2009-03-21 19:25:18 +0000 |
commit | b38772ffdbcc6bf2189d0e14a9828f911ea44a7d (patch) | |
tree | 2101a9210ae02284af56415f65e9f108ebd12163 /ServiceBasedPlugins/src/lib/JEDI-SDL/OpenGL/Pas/glx.pas | |
parent | 5d69ab51fd28961fd43b7e7646768b5a6dcbcb25 (diff) | |
download | usdx-b38772ffdbcc6bf2189d0e14a9828f911ea44a7d.tar.gz usdx-b38772ffdbcc6bf2189d0e14a9828f911ea44a7d.tar.xz usdx-b38772ffdbcc6bf2189d0e14a9828f911ea44a7d.zip |
new branch for whiteshark's service and hook based (party) plugins
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@1643 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to '')
-rw-r--r-- | ServiceBasedPlugins/src/lib/JEDI-SDL/OpenGL/Pas/glx.pas | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/ServiceBasedPlugins/src/lib/JEDI-SDL/OpenGL/Pas/glx.pas b/ServiceBasedPlugins/src/lib/JEDI-SDL/OpenGL/Pas/glx.pas new file mode 100644 index 00000000..9f36d2b5 --- /dev/null +++ b/ServiceBasedPlugins/src/lib/JEDI-SDL/OpenGL/Pas/glx.pas @@ -0,0 +1,279 @@ +unit glx; +{ + $Id: glx.pas,v 1.3 2006/11/20 21:20:59 savage Exp $ + + Translation of the Mesa GLX headers for FreePascal + Copyright (C) 1999 Sebastian Guenther + + + Mesa 3-D graphics library + Version: 3.0 + Copyright (C) 1995-1998 Brian Paul + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +} + +// {$MODE delphi} // objfpc would not work because of direct proc var assignments + +{You have to enable Macros (compiler switch "-Sm") for compiling this unit! + This is necessary for supporting different platforms with different calling + conventions via a single unit.} + +{ + $Log: glx.pas,v $ + Revision 1.3 2006/11/20 21:20:59 savage + Updated to work in MacOS X + + Revision 1.2 2006/04/18 18:38:33 savage + fixed boolean test - thanks grudzio + + Revision 1.1 2004/03/30 21:53:55 savage + Moved to it's own folder. + + Revision 1.5 2004/02/15 22:48:35 savage + More FPC and FreeBSD support changes. + + Revision 1.4 2004/02/14 22:36:29 savage + Fixed inconsistencies of using LoadLibrary and LoadModule. + Now all units make use of LoadModule rather than LoadLibrary and other dynamic proc procedures. + + Revision 1.3 2004/02/14 00:23:39 savage + As UNIX is defined in jedi-sdl.inc this will be used to check linux compatability as well. Units have been changed to reflect this change. + + Revision 1.2 2004/02/14 00:09:19 savage + Changed uses to now make use of moduleloader.pas rather than dllfuncs.pas + + Revision 1.1 2004/02/05 00:08:19 savage + Module 1.0 release + + Revision 1.1 2003/05/11 13:18:03 savage + Newest OpenGL Headers For Delphi, Kylix and FPC + + Revision 1.1 2002/10/13 13:57:31 sg + * Finally, the new units are available: Match the C headers more closely; + support for OpenGL extensions, and much more. Based on the Delphi units + by Tom Nuydens of delphi3d.net + +} + +interface + +{$I jedi-sdl.inc} + +{$IFDEF UNIX} + uses + {$IFDEF FPC} + x, + xlib, + xutil; + {$ELSE} + xlib; + {$ENDIF} + {$DEFINE HasGLX} // Activate GLX stuff +{$ELSE} + {$MESSAGE Unsupported platform.} +{$ENDIF} + +{$IFNDEF HasGLX} + {$MESSAGE GLX not present on this platform.} +{$ENDIF} + + +// ======================================================= +// Unit specific extensions +// ======================================================= + +// Note: Requires that the GL library has already been initialized +function InitGLX: Boolean; + +var + GLXDumpUnresolvedFunctions, + GLXInitialized: Boolean; + + +// ======================================================= +// GLX consts, types and functions +// ======================================================= + +// Tokens for glXChooseVisual and glXGetConfig: +const + GLX_USE_GL = 1; + GLX_BUFFER_SIZE = 2; + GLX_LEVEL = 3; + GLX_RGBA = 4; + GLX_DOUBLEBUFFER = 5; + GLX_STEREO = 6; + GLX_AUX_BUFFERS = 7; + GLX_RED_SIZE = 8; + GLX_GREEN_SIZE = 9; + GLX_BLUE_SIZE = 10; + GLX_ALPHA_SIZE = 11; + GLX_DEPTH_SIZE = 12; + GLX_STENCIL_SIZE = 13; + GLX_ACCUM_RED_SIZE = 14; + GLX_ACCUM_GREEN_SIZE = 15; + GLX_ACCUM_BLUE_SIZE = 16; + GLX_ACCUM_ALPHA_SIZE = 17; + + // GLX_EXT_visual_info extension + GLX_X_VISUAL_TYPE_EXT = $22; + GLX_TRANSPARENT_TYPE_EXT = $23; + GLX_TRANSPARENT_INDEX_VALUE_EXT = $24; + GLX_TRANSPARENT_RED_VALUE_EXT = $25; + GLX_TRANSPARENT_GREEN_VALUE_EXT = $26; + GLX_TRANSPARENT_BLUE_VALUE_EXT = $27; + GLX_TRANSPARENT_ALPHA_VALUE_EXT = $28; + + + // Error codes returned by glXGetConfig: + GLX_BAD_SCREEN = 1; + GLX_BAD_ATTRIBUTE = 2; + GLX_NO_EXTENSION = 3; + GLX_BAD_VISUAL = 4; + GLX_BAD_CONTEXT = 5; + GLX_BAD_VALUE = 6; + GLX_BAD_ENUM = 7; + + // GLX 1.1 and later: + GLX_VENDOR = 1; + GLX_VERSION = 2; + GLX_EXTENSIONS = 3; + + // GLX_visual_info extension + GLX_TRUE_COLOR_EXT = $8002; + GLX_DIRECT_COLOR_EXT = $8003; + GLX_PSEUDO_COLOR_EXT = $8004; + GLX_STATIC_COLOR_EXT = $8005; + GLX_GRAY_SCALE_EXT = $8006; + GLX_STATIC_GRAY_EXT = $8007; + GLX_NONE_EXT = $8000; + GLX_TRANSPARENT_RGB_EXT = $8008; + GLX_TRANSPARENT_INDEX_EXT = $8009; + +type + // From XLib: + {$IFNDEF FPC} + TXID = XID; + {$ENDIF} + XPixmap = TXID; + XFont = TXID; + XColormap = TXID; + + GLXContext = Pointer; + GLXPixmap = TXID; + GLXDrawable = TXID; + GLXContextID = TXID; + +var + glXChooseVisual: function(dpy: PDisplay; screen: Integer; var attribList: Integer): PXVisualInfo; cdecl; + glXCreateContext: function(dpy: PDisplay; vis: PXVisualInfo; shareList: GLXContext; direct: Boolean): GLXContext; cdecl; + glXDestroyContext: procedure(dpy: PDisplay; ctx: GLXContext); cdecl; + glXMakeCurrent: function(dpy: PDisplay; drawable: GLXDrawable; ctx: GLXContext): Boolean; cdecl; + glXCopyContext: procedure(dpy: PDisplay; src, dst: GLXContext; mask: LongWord); cdecl; + glXSwapBuffers: procedure(dpy: PDisplay; drawable: GLXDrawable); cdecl; + glXCreateGLXPixmap: function(dpy: PDisplay; visual: PXVisualInfo; pixmap: XPixmap): GLXPixmap; cdecl; + glXDestroyGLXPixmap: procedure(dpy: PDisplay; pixmap: GLXPixmap); cdecl; + glXQueryExtension: function(dpy: PDisplay; var errorb, event: Integer): Boolean; cdecl; + glXQueryVersion: function(dpy: PDisplay; var maj, min: Integer): Boolean; cdecl; + glXIsDirect: function(dpy: PDisplay; ctx: GLXContext): Boolean; cdecl; + glXGetConfig: function(dpy: PDisplay; visual: PXVisualInfo; attrib: Integer; var value: Integer): Integer; cdecl; + glXGetCurrentContext: function: GLXContext; cdecl; + glXGetCurrentDrawable: function: GLXDrawable; cdecl; + glXWaitGL: procedure; cdecl; + glXWaitX: procedure; cdecl; + glXUseXFont: procedure(font: XFont; first, count, list: Integer); cdecl; + + // GLX 1.1 and later + glXQueryExtensionsString: function(dpy: PDisplay; screen: Integer): PChar; cdecl; + glXQueryServerString: function(dpy: PDisplay; screen, name: Integer): PChar; cdecl; + glXGetClientString: function(dpy: PDisplay; name: Integer): PChar; cdecl; + + // Mesa GLX Extensions + glXCreateGLXPixmapMESA: function(dpy: PDisplay; visual: PXVisualInfo; pixmap: XPixmap; cmap: XColormap): GLXPixmap; cdecl; + glXReleaseBufferMESA: function(dpy: PDisplay; d: GLXDrawable): Boolean; cdecl; + glXCopySubBufferMESA: procedure(dpy: PDisplay; drawbale: GLXDrawable; x, y, width, height: Integer); cdecl; + glXGetVideoSyncSGI: function(var counter: LongWord): Integer; cdecl; + glXWaitVideoSyncSGI: function(divisor, remainder: Integer; var count: LongWord): Integer; cdecl; + + +// ======================================================= +// +// ======================================================= + +implementation + +uses + {$IFNDEF __GPC__} + SysUtils, + {$ENDIF} + moduleloader; + +(* {$LINKLIB m} *) + +var + libGLX: TModuleHandle; + +function InitGLXFromLibrary( dll : PChar ): Boolean; +begin + Result := False; + + if not LoadModule( libGLX, dll ) then + exit; + + glXChooseVisual := GetModuleSymbol(libglx, 'glXChooseVisual'); + glXCreateContext := GetModuleSymbol(libglx, 'glXCreateContext'); + glXDestroyContext := GetModuleSymbol(libglx, 'glXDestroyContext'); + glXMakeCurrent := GetModuleSymbol(libglx, 'glXMakeCurrent'); + glXCopyContext := GetModuleSymbol(libglx, 'glXCopyContext'); + glXSwapBuffers := GetModuleSymbol(libglx, 'glXSwapBuffers'); + glXCreateGLXPixmap := GetModuleSymbol(libglx, 'glXCreateGLXPixmap'); + glXDestroyGLXPixmap := GetModuleSymbol(libglx, 'glXDestroyGLXPixmap'); + glXQueryExtension := GetModuleSymbol(libglx, 'glXQueryExtension'); + glXQueryVersion := GetModuleSymbol(libglx, 'glXQueryVersion'); + glXIsDirect := GetModuleSymbol(libglx, 'glXIsDirect'); + glXGetConfig := GetModuleSymbol(libglx, 'glXGetConfig'); + glXGetCurrentContext := GetModuleSymbol(libglx, 'glXGetCurrentContext'); + glXGetCurrentDrawable := GetModuleSymbol(libglx, 'glXGetCurrentDrawable'); + glXWaitGL := GetModuleSymbol(libglx, 'glXWaitGL'); + glXWaitX := GetModuleSymbol(libglx, 'glXWaitX'); + glXUseXFont := GetModuleSymbol(libglx, 'glXUseXFont'); + // GLX 1.1 and later + glXQueryExtensionsString := GetModuleSymbol(libglx, 'glXQueryExtensionsString'); + glXQueryServerString := GetModuleSymbol(libglx, 'glXQueryServerString'); + glXGetClientString := GetModuleSymbol(libglx, 'glXGetClientString'); + // Mesa GLX Extensions + glXCreateGLXPixmapMESA := GetModuleSymbol(libglx, 'glXCreateGLXPixmapMESA'); + glXReleaseBufferMESA := GetModuleSymbol(libglx, 'glXReleaseBufferMESA'); + glXCopySubBufferMESA := GetModuleSymbol(libglx, 'glXCopySubBufferMESA'); + glXGetVideoSyncSGI := GetModuleSymbol(libglx, 'glXGetVideoSyncSGI'); + glXWaitVideoSyncSGI := GetModuleSymbol(libglx, 'glXWaitVideoSyncSGI'); + + GLXInitialized := True; + Result := True; +end; + +function InitGLX: Boolean; +begin + Result := InitGLXFromLibrary('libGL.so.1') or + InitGLXFromLibrary('libMesaGL.so') or + InitGLXFromLibrary('libMesaGL.so.3'); +end; + + +initialization + InitGLX; +finalization + UnloadModule(libGLX); +end. |