annotate src/video/quartz/SDL_QuartzVideo.h @ 315:3333b6e68289

Date: Sat, 23 Mar 2002 13:53:37 +0200 From: "Mike Gorchak" <mike@malva.ua> Subject: Big QNX patch again. Added 8bit palette emulation code for window mode with bpp>=15. Added store/restore original palette for 8bit modes. Added more information about photon API call fails. Rewroten change palette code, slow but works. Fixed bug with set caption before window was inited. Fixed bugs with some initial state of variables. Fixed bug with storing old video mode settings. Fixed bug with switching to fullscreen mode and back. Fixed few double SEGFAULTS during parachute mode. Removed compilation warning with no PgWaitHWIdle prototype. Removed pack of dead unusable code. Cleanups SDL_PrivateVideoData structure, some headers. Some code formatting.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 23 Mar 2002 20:19:44 +0000
parents f6ffac90895c
children 19e73568a75c
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /*
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24 @file SDL_QuartzVideo.h
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25 @author Darrell Walisser
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26
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27 @abstract SDL video driver for MacOS X.
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28
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29 @discussion
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30
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31 TODO
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32 - Hardware Cursor support with NSCursor instead of Carbon
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33 - Keyboard repeat/mouse speed adjust (if needed)
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34 - Multiple monitor support (currently only main display)
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35 - Accelerated blitting support
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36 - Set the window icon (dock icon when API is available)
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37 - Fix white OpenGL window on minimize
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38 - Find out what events should be sent/ignored if window is mimimized
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39 - Find a better way to deal with resolution/depth switch while app is running
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40 - Resizeable windows
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41 - Check accuracy of QZ_SetGamma()
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42 Problems:
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43 - OGL not working in full screen with software renderer
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44 - SetColors sets palette correctly but clears framebuffer
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45 - Crash in CG after several mode switches
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46 - Retained windows don't draw their title bar quite right (OS Bug) (not using retained windows)
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47 - Cursor in 8 bit modes is screwy (might just be Radeon PCI bug)
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48 - Warping cursor delays mouse events for a fraction of a second,
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49 there is a hack around this that helps a bit
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50 */
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51
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52 #include <Cocoa/Cocoa.h>
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53 #include <OpenGL/OpenGL.h>
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54 #include <Carbon/Carbon.h>
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55
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56 #include "SDL_video.h"
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57 #include "SDL_error.h"
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58 #include "SDL_timer.h"
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59 #include "SDL_syswm.h"
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60 #include "SDL_sysvideo.h"
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61 #include "SDL_pixels_c.h"
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62 #include "SDL_events_c.h"
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63
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64 /* This is a workaround to directly access NSOpenGLContext's CGL context */
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65 /* We need to do this in order to check for errors */
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66 @interface NSOpenGLContext (CGLContextAccess)
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67 - (CGLContextObj) cglContext;
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68 @end
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69
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70 @implementation NSOpenGLContext (CGLContextAccess)
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71 - (CGLContextObj) cglContext;
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72 {
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73 return _contextAuxiliary;
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74 }
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75 @end
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76
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77 /* Structure for rez switch gamma fades */
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78 /* We can hide the monitor flicker by setting the gamma tables to 0 */
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79 #define QZ_GAMMA_TABLE_SIZE 256
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80
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81 typedef struct {
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82
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83 CGGammaValue red[QZ_GAMMA_TABLE_SIZE];
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84 CGGammaValue green[QZ_GAMMA_TABLE_SIZE];
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85 CGGammaValue blue[QZ_GAMMA_TABLE_SIZE];
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86
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87 } SDL_QuartzGammaTable;
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88
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89 /* Main driver structure to store required state information */
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90 typedef struct SDL_PrivateVideoData {
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91
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92 CGDirectDisplayID display; /* 0 == main display (only support single display) */
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93 CFDictionaryRef mode; /* current mode of the display */
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94 CFDictionaryRef save_mode; /* original mode of the display */
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95 CFArrayRef mode_list; /* list of available fullscreen modes */
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96 CGDirectPaletteRef palette; /* palette of an 8-bit display */
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97 NSOpenGLContext *gl_context; /* object that represents an OpenGL rendering context */
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98 Uint32 width, height, bpp; /* frequently used data about the display */
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99 Uint32 flags; /* flags for mode, for teardown purposes */
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100 Uint32 video_set; /* boolean; indicates if video was set correctly */
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101 Uint32 warp_flag; /* boolean; notify to event loop that a warp just occured */
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102 Uint32 warp_ticks; /* timestamp when the warp occured */
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103 NSWindow *window; /* Cocoa window to implement the SDL window */
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104 NSQuickDrawView *view; /* the window's view; draw 2D into this view */
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105
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106 } SDL_PrivateVideoData ;
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107
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108 #define _THIS SDL_VideoDevice *this
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109 #define display_id (this->hidden->display)
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110 #define mode (this->hidden->mode)
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111 #define save_mode (this->hidden->save_mode)
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112 #define mode_list (this->hidden->mode_list)
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113 #define palette (this->hidden->palette)
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114 #define gl_context (this->hidden->gl_context)
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115 #define device_width (this->hidden->width)
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116 #define device_height (this->hidden->height)
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117 #define device_bpp (this->hidden->bpp)
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118 #define mode_flags (this->hidden->flags)
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119 #define qz_window (this->hidden->window)
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120 #define window_view (this->hidden->view)
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121 #define video_set (this->hidden->video_set)
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122 #define warp_ticks (this->hidden->warp_ticks)
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123 #define warp_flag (this->hidden->warp_flag)
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124
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125 /* Obscuring code: maximum number of windows above ours (inclusive) */
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126 #define kMaxWindows 256
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127
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128 /* Some of the Core Graphics Server API for obscuring code */
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129 #define kCGSWindowLevelTop 2147483632
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130 #define kCGSWindowLevelDockIconDrag 500
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131 #define kCGSWindowLevelDockMenu 101
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132 #define kCGSWindowLevelMenuIgnore 21
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133 #define kCGSWindowLevelMenu 20
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134 #define kCGSWindowLevelDockLabel 12
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135 #define kCGSWindowLevelDockIcon 11
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136 #define kCGSWindowLevelDock 10
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137 #define kCGSWindowLevelUtility 3
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138 #define kCGSWindowLevelNormal 0
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139
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140 /* For completeness; We never use these window levels, they are always below us
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141 #define kCGSWindowLevelMBarShadow -20
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142 #define kCGSWindowLevelDesktopPicture -2147483647
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143 #define kCGSWindowLevelDesktop -2147483648
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144 */
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145
272
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146 typedef CGError CGSError;
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147 typedef long CGSWindowCount;
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148 typedef void * CGSConnectionID;
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149 typedef int CGSWindowID;
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150 typedef CGSWindowID* CGSWindowIDList;
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151 typedef CGWindowLevel CGSWindowLevel;
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152 typedef NSRect CGSRect;
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153
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154 extern CGSConnectionID _CGSDefaultConnection ();
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155
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156 extern CGSError CGSGetOnScreenWindowList (CGSConnectionID cid,
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157 CGSConnectionID owner,
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158 CGSWindowCount listCapacity,
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159 CGSWindowIDList list,
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160 CGSWindowCount *listCount);
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161
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162 extern CGSError CGSGetScreenRectForWindow (CGSConnectionID cid,
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163 CGSWindowID wid,
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164 CGSRect *rect);
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165
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166 extern CGWindowLevel CGSGetWindowLevel (CGSConnectionID cid,
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167 CGSWindowID wid,
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168 CGSWindowLevel *level);
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169
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170 extern CGSError CGSDisplayHWFill (CGDirectDisplayID id, unsigned int x, unsigned int y,
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171 unsigned int w, unsigned int h, unsigned int color);
272
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172
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173 extern CGSError CGSDisplayCanHWFill (CGDirectDisplayID id);
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174
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175 extern CGSError CGSGetMouseEnabledFlags (CGSConnectionID cid, CGSWindowID wid, int *flags);
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176
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177 /* Bootstrap functions */
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178 static int QZ_Available ();
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179 static SDL_VideoDevice* QZ_CreateDevice (int device_index);
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180 static void QZ_DeleteDevice (SDL_VideoDevice *device);
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181
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182 /* Initialization, Query, Setup, and Redrawing functions */
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183 static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format);
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184
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185 static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format,
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186 Uint32 flags);
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187 static void QZ_UnsetVideoMode (_THIS);
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188
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189 static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current,
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190 int width, int height, int bpp,
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191 Uint32 flags);
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192 static int QZ_ToggleFullScreen (_THIS, int on);
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193 static int QZ_SetColors (_THIS, int first_color,
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194 int num_colors, SDL_Color *colors);
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195 static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects);
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196 static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
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197 static void QZ_VideoQuit (_THIS);
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198
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199 /* Hardware surface functions (for fullscreen mode only) */
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200 static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
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201 static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
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202 static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
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203 static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
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204 /* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
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205
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206 /* Gamma Functions */
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207 static int QZ_SetGamma (_THIS, float red, float green, float blue);
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208 static int QZ_GetGamma (_THIS, float *red, float *green, float *blue);
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209 static int QZ_SetGammaRamp (_THIS, Uint16 *ramp);
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210 static int QZ_GetGammaRamp (_THIS, Uint16 *ramp);
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211
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212 /* OpenGL functions */
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213 static int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags);
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214 static void QZ_TearDownOpenGL (_THIS);
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215 static void* QZ_GL_GetProcAddress (_THIS, const char *proc);
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216 static int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value);
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217 static int QZ_GL_MakeCurrent (_THIS);
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218 static void QZ_GL_SwapBuffers (_THIS);
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219 static int QZ_GL_LoadLibrary (_THIS, const char *location);
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220
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221 /* Private function to warp the cursor (used internally) */
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222 static void QZ_PrivateWarpCursor (_THIS, int x, int y);
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223
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224 /* Cursor and Mouse functions */
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225 static void QZ_FreeWMCursor (_THIS, WMcursor *cursor);
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226 static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
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227 int w, int h, int hot_x, int hot_y);
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228 static int QZ_ShowWMCursor (_THIS, WMcursor *cursor);
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229 static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y);
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230 static void QZ_MoveWMCursor (_THIS, int x, int y);
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231 static void QZ_CheckMouseMode (_THIS);
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232
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233 /* Event functions */
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234 static void QZ_InitOSKeymap (_THIS);
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235 static void QZ_PumpEvents (_THIS);
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236
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237 /* Window Manager functions */
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238 static void QZ_SetCaption (_THIS, const char *title, const char *icon);
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239 static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask);
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240 static int QZ_IconifyWindow (_THIS);
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241 static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode);
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242 /*static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info);*/
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243