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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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428 lines
16 KiB
ObjectPascal
428 lines
16 KiB
ObjectPascal
// File: nvGLX.pp
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// modified: 29-07-2003
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//
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// FreePascal Bindings for libGLX
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// Version 0.7.0
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// supported NVIDIA Driver Version: 4494
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// Author: Reimar Grabowski
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{
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*****************************************************************************
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* *
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* See the file COPYING.modifiedLGPL, included in this distribution, *
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* for details about the copyright. *
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* *
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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. *
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* *
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*****************************************************************************
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}
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{$mode objfpc}{$H+}
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{$LinkLib GL}
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{$PACKRECORDS C}
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unit nvGLX;
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interface
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uses
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X, XLib, XUtil, nvGL;
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{$IFDEF VER1_0}
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type
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PCardinal = ^Cardinal;
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{$ENDIF}
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const
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GLX_VERSION_1_1 = 1;
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GLX_VERSION_1_2 = 1;
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GLX_VERSION_1_3 = 1;
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{ GLX Extensions }
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GLX_EXT_import_context = 1;
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GLX_EXT_visual_info = 1;
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GLX_EXT_visual_rating = 1;
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GLX_SGIX_fbconfig = 1;
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GLX_SGIX_pbuffer = 1;
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GLX_NV_float_buffer = 1;
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GLX_ARB_get_proc_address = 1;
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{ Names for attributes to glXGetConfig. }
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{ support GLX rendering }
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GLX_USE_GL = 1;
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{ depth of the color buffer }
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GLX_BUFFER_SIZE = 2;
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{ level in plane stacking }
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GLX_LEVEL = 3;
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{ true if RGBA mode }
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GLX_RGBA = 4;
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{ double buffering supported }
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GLX_DOUBLEBUFFER = 5;
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{ stereo buffering supported }
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GLX_STEREO = 6;
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{ number of aux buffers }
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GLX_AUX_BUFFERS = 7;
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{ number of red component bits }
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GLX_RED_SIZE = 8;
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{ number of green component bits }
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GLX_GREEN_SIZE = 9;
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{ number of blue component bits }
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GLX_BLUE_SIZE = 10;
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{ number of alpha component bits }
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GLX_ALPHA_SIZE = 11;
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{ number of depth bits }
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GLX_DEPTH_SIZE = 12;
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{ number of stencil bits }
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GLX_STENCIL_SIZE = 13;
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{ number of red accum bits }
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GLX_ACCUM_RED_SIZE = 14;
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{ number of green accum bits }
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GLX_ACCUM_GREEN_SIZE = 15;
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{ number of blue accum bits }
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GLX_ACCUM_BLUE_SIZE = 16;
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{ number of alpha accum bits }
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GLX_ACCUM_ALPHA_SIZE = 17;
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{ number of multisample buffers }
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GLX_SAMPLE_BUFFERS_ARB = 100000;
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{ number of multisample samples }
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GLX_SAMPLES_ARB = 100001;
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{ FBConfig-specific attributes }
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GLX_X_VISUAL_TYPE = $22;
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{ Like visual_info VISUAL_CAVEAT }
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GLX_CONFIG_CAVEAT = $20;
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GLX_TRANSPARENT_TYPE = $23;
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GLX_TRANSPARENT_INDEX_VALUE = $24;
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GLX_TRANSPARENT_RED_VALUE = $25;
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GLX_TRANSPARENT_GREEN_VALUE = $26;
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GLX_TRANSPARENT_BLUE_VALUE = $27;
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GLX_TRANSPARENT_ALPHA_VALUE = $28;
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GLX_DRAWABLE_TYPE = $8010;
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GLX_RENDER_TYPE = $8011;
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GLX_X_RENDERABLE = $8012;
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GLX_FBCONFIG_ID = $8013;
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GLX_MAX_PBUFFER_WIDTH = $8016;
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GLX_MAX_PBUFFER_HEIGHT = $8017;
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GLX_MAX_PBUFFER_PIXELS = $8018;
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GLX_VISUAL_ID = $800B;
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GLX_DRAWABLE_TYPE_SGIX = GLX_DRAWABLE_TYPE;
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GLX_RENDER_TYPE_SGIX = GLX_RENDER_TYPE;
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GLX_X_RENDERABLE_SGIX = GLX_X_RENDERABLE;
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GLX_FBCONFIG_ID_SGIX = GLX_FBCONFIG_ID;
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GLX_MAX_PBUFFER_WIDTH_SGIX = GLX_MAX_PBUFFER_WIDTH;
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GLX_MAX_PBUFFER_HEIGHT_SGIX = GLX_MAX_PBUFFER_HEIGHT;
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GLX_MAX_PBUFFER_PIXELS_SGIX = GLX_MAX_PBUFFER_PIXELS;
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GLX_OPTIMAL_PBUFFER_WIDTH_SGIX = $8019;
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GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX = $801A;
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{ Error return values from glXGetConfig. Success is indicated by a value of 0. }
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{ screen # is bad }
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GLX_BAD_SCREEN = 1;
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{ attribute to get is bad }
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GLX_BAD_ATTRIBUTE = 2;
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{ no glx extension on server }
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GLX_NO_EXTENSION = 3;
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{ visual # not known by GLX }
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GLX_BAD_VISUAL = 4;
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GLX_BAD_CONTEXT = 5;
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GLX_BAD_VALUE = 6;
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GLX_BAD_ENUM = 7;
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{ FBConfig attribute values }
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{ Generic "don't care" value for glX ChooseFBConfig attributes (except GLX_LEVEL). }
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GLX_DONT_CARE = $FFFFFFFF;
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{ GLX_RENDER_TYPE bits }
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GLX_RGBA_BIT = $00000001;
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GLX_COLOR_INDEX_BIT = $00000002;
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GLX_RGBA_BIT_SGIX = GLX_RGBA_BIT;
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GLX_COLOR_INDEX_BIT_SGIX = GLX_COLOR_INDEX_BIT;
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{ GLX_DRAWABLE_TYPE bits }
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GLX_WINDOW_BIT = $00000001;
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GLX_PIXMAP_BIT = $00000002;
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GLX_PBUFFER_BIT = $00000004;
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GLX_WINDOW_BIT_SGIX = GLX_WINDOW_BIT;
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GLX_PIXMAP_BIT_SGIX = GLX_PIXMAP_BIT;
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GLX_PBUFFER_BIT_SGIX = GLX_PBUFFER_BIT;
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{ GLX_CONFIG_CAVEAT attribute values }
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GLX_NONE = $8000;
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GLX_SLOW_CONFIG = $8001;
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GLX_NON_CONFORMANT_CONFIG = $800D;
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{ GLX_X_VISUAL_TYPE attribute values }
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GLX_TRUE_COLOR = $8002;
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GLX_DIRECT_COLOR = $8003;
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GLX_PSEUDO_COLOR = $8004;
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GLX_STATIC_COLOR = $8005;
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GLX_GRAY_SCALE = $8006;
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GLX_STATIC_GRAY = $8007;
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{ GLX_TRANSPARENT_TYPE attribute values }
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{ #define GLX_NONE 0x8000 }
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GLX_TRANSPARENT_RGB = $8008;
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GLX_TRANSPARENT_INDEX = $8009;
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{ glXCreateGLXPbuffer attributes }
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GLX_PRESERVED_CONTENTS = $801B;
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GLX_LARGEST_PBUFFER = $801C;
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{ New for GLX 1.3 }
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GLX_PBUFFER_HEIGHT = $8040;
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{ New for GLX 1.3 }
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GLX_PBUFFER_WIDTH = $8041;
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GLX_PRESERVED_CONTENTS_SGIX = GLX_PRESERVED_CONTENTS;
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GLX_LARGEST_PBUFFER_SGIX = GLX_LARGEST_PBUFFER;
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{ glXQueryGLXPBuffer attributes }
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GLX_WIDTH = $801D;
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GLX_HEIGHT = $801E;
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GLX_EVENT_MASK = $801F;
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GLX_WIDTH_SGIX = GLX_WIDTH;
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GLX_HEIGHT_SGIX = GLX_HEIGHT;
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GLX_EVENT_MASK_SGIX = GLX_EVENT_MASK;
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{ glXCreateNewContext render_type attribute values }
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GLX_RGBA_TYPE = $8014;
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GLX_COLOR_INDEX_TYPE = $8015;
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GLX_RGBA_TYPE_SGIX = GLX_RGBA_TYPE;
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GLX_COLOR_INDEX_TYPE_SGIX = GLX_COLOR_INDEX_TYPE;
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{ glXQueryContext attributes }
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{ #define GLX_FBCONFIG_ID 0x8013 }
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{ #define GLX_RENDER_TYPE 0x8011 }
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GLX_SCREEN = $800C;
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{ glXSelectEvent event mask bits }
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GLX_PBUFFER_CLOBBER_MASK = $08000000;
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GLX_PBUFFER_CLOBBER_MASK_SGIX = GLX_PBUFFER_CLOBBER_MASK;
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{ GLXPbufferClobberEvent event_type values }
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GLX_DAMAGED = $8020;
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GLX_SAVED = $8021;
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GLX_DAMAGED_SGIX = GLX_DAMAGED;
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GLX_SAVED_SGIX = GLX_SAVED;
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{ GLXPbufferClobberEvent draw_type values }
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GLX_WINDOW = $8022;
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GLX_PBUFFER = $8023;
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GLX_WINDOW_SGIX = GLX_WINDOW;
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GLX_PBUFFER_SGIX = GLX_PBUFFER;
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{ GLXPbufferClobberEvent buffer_mask bits }
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GLX_FRONT_LEFT_BUFFER_BIT = $00000001;
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GLX_FRONT_RIGHT_BUFFER_BIT = $00000002;
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GLX_BACK_LEFT_BUFFER_BIT = $00000004;
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GLX_BACK_RIGHT_BUFFER_BIT = $00000008;
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GLX_AUX_BUFFERS_BIT = $00000010;
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GLX_DEPTH_BUFFER_BIT = $00000020;
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GLX_STENCIL_BUFFER_BIT = $00000040;
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GLX_ACCUM_BUFFER_BIT = $00000080;
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GLX_FRONT_LEFT_BUFFER_BIT_SGIX = GLX_FRONT_LEFT_BUFFER_BIT;
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GLX_FRONT_RIGHT_BUFFER_BIT_SGIX = GLX_FRONT_RIGHT_BUFFER_BIT;
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GLX_BACK_LEFT_BUFFER_BIT_SGIX = GLX_BACK_LEFT_BUFFER_BIT;
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GLX_BACK_RIGHT_BUFFER_BIT_SGIX = GLX_BACK_RIGHT_BUFFER_BIT;
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GLX_AUX_BUFFERS_BIT_SGIX = GLX_AUX_BUFFERS_BIT;
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GLX_DEPTH_BUFFER_BIT_SGIX = GLX_DEPTH_BUFFER_BIT;
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GLX_STENCIL_BUFFER_BIT_SGIX = GLX_STENCIL_BUFFER_BIT;
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GLX_ACCUM_BUFFER_BIT_SGIX = GLX_ACCUM_BUFFER_BIT;
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{ Extension return values from glXGetConfig. These are also
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accepted as parameter values for glXChooseVisual. }
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{ visual_info extension type }
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GLX_X_VISUAL_TYPE_EXT = $22;
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{ visual_info extension }
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GLX_TRANSPARENT_TYPE_EXT = $23;
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{ visual_info extension }
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GLX_TRANSPARENT_INDEX_VALUE_EXT = $24;
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{ visual_info extension }
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GLX_TRANSPARENT_RED_VALUE_EXT = $25;
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{ visual_info extension }
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GLX_TRANSPARENT_GREEN_VALUE_EXT = $26;
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{ visual_info extension }
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GLX_TRANSPARENT_BLUE_VALUE_EXT = $27;
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{ visual_info extension }
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GLX_TRANSPARENT_ALPHA_VALUE_EXT = $28;
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{ Property values for visual_type }
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GLX_TRUE_COLOR_EXT = $8002;
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GLX_DIRECT_COLOR_EXT = $8003;
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GLX_PSEUDO_COLOR_EXT = $8004;
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GLX_STATIC_COLOR_EXT = $8005;
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GLX_GRAY_SCALE_EXT = $8006;
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GLX_STATIC_GRAY_EXT = $8007;
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{ Property values for transparent pixel }
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GLX_NONE_EXT = $8000;
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GLX_TRANSPARENT_RGB_EXT = $8008;
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GLX_TRANSPARENT_INDEX_EXT = $8009;
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{ Property values for visual_rating }
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{ visual_rating extension type }
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GLX_VISUAL_CAVEAT_EXT = $20;
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GLX_SLOW_VISUAL_EXT = $8001;
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GLX_NON_CONFORMANT_VISUAL_EXT = $800D;
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{ Names for attributes to glXGetClientString. }
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GLX_VENDOR = $1;
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GLX_VERSION = $2;
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GLX_EXTENSIONS = $3;
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{ Names for attributes to glXQueryContextInfoEXT. }
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{ id of share context }
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GLX_SHARE_CONTEXT_EXT = $800A;
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{ id of context's visual }
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GLX_VISUAL_ID_EXT = $800B;
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{ screen number }
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GLX_SCREEN_EXT = $800C;
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{ NV_float_buffer }
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GLX_FLOAT_COMPONENTS_NV = $20B0;
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{ GLX resources. }
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type
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PGLXContextID = ^GLXContextID;
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GLXContextID = TXID;
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PGLXPixmap = ^GLXPixmap;
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GLXPixmap = TXID;
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PGLXDrawable = ^GLXDrawable;
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GLXDrawable = TXID;
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PGLXPbuffer = ^GLXPbuffer;
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GLXPbuffer = TXID;
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PGLXWindow = ^GLXWindow;
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GLXWindow = TXID;
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PGLXFBConfigID = ^GLXFBConfigID;
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GLXFBConfigID = TXID;
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{ GLXContext is a pointer to opaque data. }
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//GLXContext = __GLXcontextRec;
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PGLXContext = ^TGLXContext;
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TGLXContext = pointer;
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{ GLXFBConfig is a pointer to opaque data. }
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PGLXFBConfig = ^TGLXFBConfig;
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TGLXFBConfig = pointer;
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PGLXFBConfigSGIX = ^TGLXFBConfigSGIX;
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TGLXFBConfigSGIX = pointer;
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{ GLX 1.0 functions. }
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function glXChooseVisual(dpy:PDisplay; screen:longint; attrib_list:Plongint):PXVisualInfo;cdecl;external;
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procedure glXCopyContext(dpy:PDisplay; src:TGLXContext; dst:TGLXContext; mask: cardinal);cdecl;external;
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function glXCreateContext(dpy:PDisplay; vis:PXVisualInfo; share_list:TGLXContext; direct:TBool):TGLXContext;cdecl;external;
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function glXCreateGLXPixmap(dpy:PDisplay; vis:PXVisualInfo; pixmap:TPixmap):GLXPixmap;cdecl;external;
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procedure glXDestroyContext(dpy:PDisplay; ctx:TGLXContext);cdecl;external;
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procedure glXDestroyGLXPixmap(dpy:PDisplay; pix:GLXPixmap);cdecl;external;
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function glXGetConfig(dpy:PDisplay; vis:PXVisualInfo; attrib:longint; value:Plongint):longint;cdecl;external;
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function glXGetCurrentContext:TGLXContext;cdecl;external;
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function glXGetCurrentDrawable:GLXDrawable;cdecl;external;
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function glXIsDirect(dpy:PDisplay; ctx:TGLXContext):TBool;cdecl;external;
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function glXMakeCurrent(dpy:PDisplay; drawable:GLXDrawable; ctx:TGLXContext):TBool;cdecl;external;
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function glXQueryExtension(dpy:PDisplay; error_base:Plongint; event_base:Plongint):TBool;cdecl;external;
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function glXQueryVersion(dpy:PDisplay; major:Plongint; minor:Plongint):TBool;cdecl;external;
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procedure glXSwapBuffers(dpy:PDisplay; drawable:GLXDrawable);cdecl;external;
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procedure glXUseXFont(font:TFont; first:longint; count:longint; list_base:longint);cdecl;external;
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procedure glXWaitGL;cdecl;external;
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procedure glXWaitX;cdecl;external;
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{ GLX 1.1 functions. }
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function glXGetClientString(dpy:PDisplay; name:longint):Pchar;cdecl;external;
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function glXQueryServerString(dpy:PDisplay; screen:longint; name:longint):Pchar;cdecl;external;
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function glXQueryExtensionsString(dpy:PDisplay; screen:longint):Pchar;cdecl;external;
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{ GLX 1.2 functions. }
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function glXGetCurrentDisplay:PDisplay;cdecl;external;
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{ GLX 1.3 functions. }
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function glXChooseFBConfig(dpy:PDisplay; screen:longint; attrib_list:Plongint; nelements:Plongint):PGLXFBConfig;cdecl;external;
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function glXCreateNewContext(dpy:PDisplay; config:TGLXFBConfig; render_type:longint; share_list:TGLXContext; direct:TBool):TGLXContext;cdecl;external;
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function glXCreatePbuffer(dpy:PDisplay; config:TGLXFBConfig; attrib_list:Plongint):GLXPbuffer;cdecl;external;
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function glXCreatePixmap(dpy:PDisplay; config:TGLXFBConfig; pixmap:TPixmap; attrib_list:Plongint):GLXPixmap;cdecl;external;
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function glXCreateWindow(dpy:PDisplay; config:TGLXFBConfig; win:TWindow; attrib_list:Plongint):GLXWindow;cdecl;external;
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procedure glXDestroyPbuffer(dpy:PDisplay; pbuf:GLXPbuffer);cdecl;external;
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procedure glXDestroyPixmap(dpy:PDisplay; pixmap:GLXPixmap);cdecl;external;
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procedure glXDestroyWindow(dpy:PDisplay; win:GLXWindow);cdecl;external;
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function glXGetCurrentReadDrawable:GLXDrawable;cdecl;external;
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function glXGetFBConfigAttrib(dpy:PDisplay; config:TGLXFBConfig; attribute:longint; value:Plongint):longint;cdecl;external;
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function glXGetFBConfigs(dpy:PDisplay; screen:longint; nelements:Plongint):PGLXFBConfig;cdecl;external;
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procedure glXGetSelectedEvent(dpy:PDisplay; draw:GLXDrawable; event_mask:Pcardinal);cdecl;external;
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function glXGetVisualFromFBConfig(dpy:PDisplay; config:TGLXFBConfig):PXVisualInfo;cdecl;external;
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function glXMakeContextCurrent(display:PDisplay; draw:GLXDrawable; read:GLXDrawable; ctx:TGLXContext):TBool;cdecl;external;
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function glXQueryContext(dpy:PDisplay; ctx:TGLXContext; attribute:longint; value:Plongint):longint;cdecl;external;
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procedure glXQueryDrawable(dpy:PDisplay; draw:GLXDrawable; attribute:longint; value:Pcardinal);cdecl;external;
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procedure glXSelectEvent(dpy:PDisplay; draw:GLXDrawable; event_mask:cardinal);cdecl;external;
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{ ARB_get_proc_address }
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function glXGetProcAddressARB(procName:PGLubyte):Tprocedure ;cdecl;external;
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{ EXT_import_context }
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procedure glXFreeContextEXT(dpy:PDisplay; ctx:TGLXContext);cdecl;external;
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function glXGetContextIDEXT(ctx:TGLXContext):GLXContextID;cdecl;external;
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function glXGetCurrentDrawableEXT:GLXDrawable;cdecl;external;
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function glXImportContextEXT(dpy:PDisplay; contextID:GLXContextID):TGLXContext;cdecl;external;
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function glXQueryContextInfoEXT(dpy:PDisplay; ctx:TGLXContext; attribute:longint; value:Plongint):longint;cdecl;external;
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{ NV_vertex_array_range }
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function glXAllocateMemoryNV(size:GLsizei; readfreq:GLfloat; writefreq:GLfloat; priority:GLfloat):pointer;cdecl;external;
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procedure glXFreeMemoryNV(pointer:GLvoid);cdecl;external;
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{ SGI_video_sync }
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function glXGetVideoSyncSGI(count:Pcardinal):longint;cdecl;external;
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function glXWaitVideoSyncSGI(divisor:longint; remainder:longint; count:Pcardinal):longint;cdecl;external;
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function glXGetRefreshRateSGI(rate:Pcardinal):longint;cdecl;external;
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{ SGIX_swap_group }
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procedure glXJoinSwapGroupSGIX(dpy:PDisplay; drawable:GLXDrawable; member:GLXDrawable);cdecl;external;
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{ SGIX_swap_barrier }
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procedure glXBindSwapBarrierSGIX(dpy:PDisplay; drawable:GLXDrawable; barrier:longint);cdecl;external;
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function glXQueryMaxSwapBarriersSGIX(dpy:PDisplay; screen:longint; max:Plongint):TBool;cdecl;external;
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{ SGIX_fbconfig }
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function glXGetFBConfigAttribSGIX(dpy:PDisplay; config:TGLXFBConfigSGIX; attribute:longint; value_return:Plongint):longint;cdecl;external;
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function glXChooseFBConfigSGIX(dpy:PDisplay; screen:longint; attrib_list:Plongint; nelements:Plongint):PGLXFBConfigSGIX;cdecl;external;
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function glXCreateGLXPixmapWithConfigSGIX(dpy:PDisplay; config:TGLXFBConfigSGIX; pixmap:TPixmap):GLXPixmap;cdecl;external;
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function glXCreateContextWithConfigSGIX(dpy:PDisplay; config:TGLXFBConfigSGIX; render_type:longint; share_list:TGLXContext; direct:TBool):TGLXContext;cdecl;external;
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function glXGetVisualFromFBConfigSGIX(dpy:PDisplay; config:TGLXFBConfigSGIX):PXVisualInfo;cdecl;external;
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function glXGetFBConfigFromVisualSGIX(dpy:PDisplay; vis:PXVisualInfo):TGLXFBConfigSGIX;cdecl;external;
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{ SGIX_pbuffer }
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function glXCreateGLXPbufferSGIX(dpy:PDisplay; config:TGLXFBConfig; width:cardinal; height:cardinal; attrib_list:Plongint):GLXPbuffer;cdecl;external;
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procedure glXDestroyGLXPbufferSGIX(dpy:PDisplay; pbuf:GLXPbuffer);cdecl;external;
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procedure glXQueryGLXPbufferSGIX(dpy:PDisplay; pbuf:GLXPbuffer; attribute:longint; value:Pcardinal);cdecl;external;
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procedure glXSelectEventSGIX(dpy:PDisplay; drawable:GLXDrawable; mask:cardinal);cdecl;external;
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procedure glXGetSelectedEventSGIX(dpy:PDisplay; drawable:GLXDrawable; mask:Pcardinal);cdecl;external;
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{ Should these go here, or in another header? }
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{ GLX Events }
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type
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PGLXPbufferClobberEvent = ^GLXPbufferClobberEvent;
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GLXPbufferClobberEvent = record
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event_type : longint; { GLX_DAMAGED or GLX_SAVED }
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draw_type : longint; { GLX_WINDOW or GLX_PBUFFER }
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serial : cardinal; { # of last request processed by server }
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send_event : TBool; { true if this came for SendEvent request }
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display : PDisplay; { display the event was read from }
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drawable : GLXDrawable; { XID of Drawable }
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buffer_mask : cardinal; { mask indicating which buffers are affected }
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aux_buffer : cardinal; { which aux buffer was affected }
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x : longint;
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y : longint;
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width : longint;
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height : longint;
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count : longint; { if nonzero, at least this many more }
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end;
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P__GLXEvent = ^T__GLXEvent;
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T__GLXEvent = record
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case longint of
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0 : ( glxpbufferclobber : GLXPbufferClobberEvent );
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1 : ( pad : array[0..23] of longint );
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end;
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TGLXEvent = T__GLXEvent;
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PGLXEvent = ^TGLXEvent;
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implementation
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end.
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