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annotate src/video/quartz/SDL_QuartzVideo.h @ 498:4b8ff8ac2c07

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Fixed window update problems on MacOS X 10.2 (thanks Darrell!)
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Sep 2002 18:38:09 +0000
parents 140798e1e7a6
children 74262d2647ca
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 - Fix white OpenGL window on minimize (fixed)
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37 - Find out what events should be sent/ignored if window is mimimized
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38 - Find a way to deal with external resolution/depth switch while app is running
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39 - Resizeable windows
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40 - Check accuracy of QZ_SetGamma()
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41 Problems:
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42 - OGL not working in full screen with software renderer
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43 - SetColors sets palette correctly but clears framebuffer
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44 - Crash in CG after several mode switches (I think this has been fixed)
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45 - Retained windows don't draw their title bar quite right (OS Bug) (not using retained windows)
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46 - Cursor in 8 bit modes is screwy (might just be Radeon PCI bug)
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47 - Warping cursor delays mouse events for a fraction of a second,
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48 there is a hack around this that helps a bit
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49 */
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50
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51 #include <Cocoa/Cocoa.h>
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52 #include <OpenGL/OpenGL.h>
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53 #include <Carbon/Carbon.h>
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54 #include <QuickTime/QuickTime.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 /*
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65 Add methods to get at private members of NSScreen.
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66 Since there is a bug in Apple's screen switching code
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67 that does not update this variable when switching
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68 to fullscreen, we'll set it manually (but only for the
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69 main screen).
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70 */
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71 @interface NSScreen (NSScreenAccess)
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72 - (void) setFrame:(NSRect)frame;
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73 @end
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74
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75 @implementation NSScreen (NSScreenAccess)
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76 - (void) setFrame:(NSRect)frame;
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77 {
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78 _frame = frame;
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79 }
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80 @end
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81
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82 /* This is a workaround to directly access NSOpenGLContext's CGL context */
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83 /* We need to do this in order to check for errors */
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84 @interface NSOpenGLContext (CGLContextAccess)
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85 - (CGLContextObj) cglContext;
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86 @end
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87
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88 @implementation NSOpenGLContext (CGLContextAccess)
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89 - (CGLContextObj) cglContext;
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90 {
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91 return _contextAuxiliary;
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92 }
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93 @end
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95 /* Structure for rez switch gamma fades */
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96 /* We can hide the monitor flicker by setting the gamma tables to 0 */
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97 #define QZ_GAMMA_TABLE_SIZE 256
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98
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99 typedef struct {
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100
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101 CGGammaValue red[QZ_GAMMA_TABLE_SIZE];
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102 CGGammaValue green[QZ_GAMMA_TABLE_SIZE];
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103 CGGammaValue blue[QZ_GAMMA_TABLE_SIZE];
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104
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105 } SDL_QuartzGammaTable;
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106
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107 /* Main driver structure to store required state information */
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108 typedef struct SDL_PrivateVideoData {
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109
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110 CGDirectDisplayID display; /* 0 == main display (only support single display) */
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111 CFDictionaryRef mode; /* current mode of the display */
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112 CFDictionaryRef save_mode; /* original mode of the display */
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113 CFArrayRef mode_list; /* list of available fullscreen modes */
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114 CGDirectPaletteRef palette; /* palette of an 8-bit display */
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115 NSOpenGLContext *gl_context; /* object that represents an OpenGL rendering context */
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116 Uint32 width, height, bpp; /* frequently used data about the display */
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117 Uint32 flags; /* flags for mode, for teardown purposes */
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118 Uint32 video_set; /* boolean; indicates if video was set correctly */
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119 Uint32 warp_flag; /* boolean; notify to event loop that a warp just occured */
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120 Uint32 warp_ticks; /* timestamp when the warp occured */
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121 NSWindow *window; /* Cocoa window to implement the SDL window */
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122 NSQuickDrawView *view; /* the window's view; draw 2D into this view */
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123 ImageDescriptionHandle yuv_idh;
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124 MatrixRecordPtr yuv_matrix;
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125 DecompressorComponent yuv_codec;
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126 ImageSequence yuv_seq;
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127 PlanarPixmapInfoYUV420 *yuv_pixmap;
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128 Sint16 yuv_width, yuv_height;
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129 CGrafPtr yuv_port;
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130
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131 } SDL_PrivateVideoData ;
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132
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133 #define _THIS SDL_VideoDevice *this
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134 #define display_id (this->hidden->display)
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135 #define mode (this->hidden->mode)
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136 #define save_mode (this->hidden->save_mode)
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137 #define mode_list (this->hidden->mode_list)
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138 #define palette (this->hidden->palette)
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139 #define gl_context (this->hidden->gl_context)
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140 #define device_width (this->hidden->width)
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141 #define device_height (this->hidden->height)
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142 #define device_bpp (this->hidden->bpp)
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143 #define mode_flags (this->hidden->flags)
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144 #define qz_window (this->hidden->window)
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145 #define window_view (this->hidden->view)
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146 #define video_set (this->hidden->video_set)
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147 #define warp_ticks (this->hidden->warp_ticks)
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148 #define warp_flag (this->hidden->warp_flag)
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149 #define yuv_idh (this->hidden->yuv_idh)
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150 #define yuv_matrix (this->hidden->yuv_matrix)
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151 #define yuv_codec (this->hidden->yuv_codec)
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152 #define yuv_seq (this->hidden->yuv_seq)
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153 #define yuv_pixmap (this->hidden->yuv_pixmap)
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154 #define yuv_data (this->hidden->yuv_data)
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155 #define yuv_width (this->hidden->yuv_width)
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156 #define yuv_height (this->hidden->yuv_height)
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157 #define yuv_port (this->hidden->yuv_port)
272
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158
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159 /* Obscuring code: maximum number of windows above ours (inclusive) */
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160 #define kMaxWindows 256
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161
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162 /* Some of the Core Graphics Server API for obscuring code */
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163 #define kCGSWindowLevelTop 2147483632
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164 #define kCGSWindowLevelDockIconDrag 500
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165 #define kCGSWindowLevelDockMenu 101
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166 #define kCGSWindowLevelMenuIgnore 21
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167 #define kCGSWindowLevelMenu 20
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168 #define kCGSWindowLevelDockLabel 12
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169 #define kCGSWindowLevelDockIcon 11
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170 #define kCGSWindowLevelDock 10
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171 #define kCGSWindowLevelUtility 3
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172 #define kCGSWindowLevelNormal 0
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173
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174 /* For completeness; We never use these window levels, they are always below us
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175 #define kCGSWindowLevelMBarShadow -20
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176 #define kCGSWindowLevelDesktopPicture -2147483647
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177 #define kCGSWindowLevelDesktop -2147483648
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178 */
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179
272
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180 typedef CGError CGSError;
390
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181 typedef long CGSWindowCount;
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182 typedef void * CGSConnectionID;
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183 typedef int CGSWindowID;
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184 typedef CGSWindowID* CGSWindowIDList;
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185 typedef CGWindowLevel CGSWindowLevel;
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186 typedef NSRect CGSRect;
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187
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188 extern CGSConnectionID _CGSDefaultConnection ();
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189
390
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190 extern CGSError CGSGetOnScreenWindowList (CGSConnectionID cid,
272
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191 CGSConnectionID owner,
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192 CGSWindowCount listCapacity,
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193 CGSWindowIDList list,
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194 CGSWindowCount *listCount);
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195
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196 extern CGSError CGSGetScreenRectForWindow (CGSConnectionID cid,
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197 CGSWindowID wid,
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198 CGSRect *rect);
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199
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200 extern CGWindowLevel CGSGetWindowLevel (CGSConnectionID cid,
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201 CGSWindowID wid,
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202 CGSWindowLevel *level);
390
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203
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204 extern CGSError CGSDisplayHWFill (CGDirectDisplayID id, unsigned int x, unsigned int y,
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205 unsigned int w, unsigned int h, unsigned int color);
272
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206
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207 extern CGSError CGSDisplayCanHWFill (CGDirectDisplayID id);
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208
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209 extern CGSError CGSGetMouseEnabledFlags (CGSConnectionID cid, CGSWindowID wid, int *flags);
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210
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211 /* Bootstrap functions */
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212 static int QZ_Available ();
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213 static SDL_VideoDevice* QZ_CreateDevice (int device_index);
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214 static void QZ_DeleteDevice (SDL_VideoDevice *device);
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215
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216 /* Initialization, Query, Setup, and Redrawing functions */
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217 static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format);
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218
390
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219 static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format,
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220 Uint32 flags);
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221 static void QZ_UnsetVideoMode (_THIS);
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222
390
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223 static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current,
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224 int width, int height, int bpp,
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225 Uint32 flags);
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226 static int QZ_ToggleFullScreen (_THIS, int on);
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227 static int QZ_SetColors (_THIS, int first_color,
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228 int num_colors, SDL_Color *colors);
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229 static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects);
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230 static int QZ_LockWindow (_THIS, SDL_Surface *surface);
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231 static void QZ_UnlockWindow (_THIS, SDL_Surface *surface);
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232 static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
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233 static void QZ_VideoQuit (_THIS);
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234
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235 /* Hardware surface functions (for fullscreen mode only) */
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236 static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
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237 static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
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238 static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
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239 static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
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240 /* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
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241
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242 /* Gamma Functions */
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243 static int QZ_SetGamma (_THIS, float red, float green, float blue);
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244 static int QZ_GetGamma (_THIS, float *red, float *green, float *blue);
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245 static int QZ_SetGammaRamp (_THIS, Uint16 *ramp);
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246 static int QZ_GetGammaRamp (_THIS, Uint16 *ramp);
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247
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248 /* OpenGL functions */
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249 static int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags);
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250 static void QZ_TearDownOpenGL (_THIS);
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251 static void* QZ_GL_GetProcAddress (_THIS, const char *proc);
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252 static int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value);
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253 static int QZ_GL_MakeCurrent (_THIS);
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254 static void QZ_GL_SwapBuffers (_THIS);
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255 static int QZ_GL_LoadLibrary (_THIS, const char *location);
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256
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257 /* Private function to warp the cursor (used internally) */
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258 static void QZ_PrivateWarpCursor (_THIS, int x, int y);
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259
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260 /* Cursor and Mouse functions */
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261 static void QZ_FreeWMCursor (_THIS, WMcursor *cursor);
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262 static WMcursor* QZ_CreateWMCursor (_THIS, Uint8 *data, Uint8 *mask,
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263 int w, int h, int hot_x, int hot_y);
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264 static int QZ_ShowWMCursor (_THIS, WMcursor *cursor);
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265 static void QZ_WarpWMCursor (_THIS, Uint16 x, Uint16 y);
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266 static void QZ_MoveWMCursor (_THIS, int x, int y);
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267 static void QZ_CheckMouseMode (_THIS);
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268
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269 /* Event functions */
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270 static void QZ_InitOSKeymap (_THIS);
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271 static void QZ_PumpEvents (_THIS);
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272
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273 /* Window Manager functions */
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274 static void QZ_SetCaption (_THIS, const char *title, const char *icon);
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275 static void QZ_SetIcon (_THIS, SDL_Surface *icon, Uint8 *mask);
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276 static int QZ_IconifyWindow (_THIS);
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277 static SDL_GrabMode QZ_GrabInput (_THIS, SDL_GrabMode grab_mode);
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278 /*static int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info);*/
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279
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280 /* YUV functions */
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281 static SDL_Overlay* QZ_CreateYUVOverlay (_THIS, int width, int height,
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282 Uint32 format, SDL_Surface *display);
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283