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annotate src/video/quartz/SDL_QuartzVideo.h @ 272:d1447a846d80

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Date: Sat, 19 Jan 2002 17:24:32 -0500 (EST) From: Darrell Walisser <dwaliss1@purdue.edu> Subject: SDL Quartz video update -better mouse motion events -fixed minification bugs (except OpenGL) -fixed QZ_SetGamma for correct semantics -fade/unfade display before/after rez switch -experimental obscured-check/blind-copy code The obscured code, while it speeds up window drawing substantially, isn't ready yet. The reason is that there doesn't (yet) seem to be a way to know when the window is dragged or when the window suddenly comes to the foreground. Since Carbon windows seem to allow detection of such things, I suspect it is possible through some window server API. Cocoa(NSWindow) has no functions for such things, AFAIK.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 22 Jan 2002 18:46:28 +0000
parents e8157fcb3114
children f6ffac90895c
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 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