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annotate src/video/quartz/SDL_QuartzVideo.h @ 1683:396a35389351 SDL-1.3

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Finished palettized display handling. Added support for surface palette sharing.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Jun 2006 06:45:14 +0000
parents 4da1ee79c9af
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2003 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 #include "SDL_config.h"
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23
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24 /*
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25 @file SDL_QuartzVideo.h
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26 @author Darrell Walisser, Max Horn, et al.
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27
501
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28 @abstract SDL video driver for Mac OS X.
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29
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30 @discussion
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31
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32 TODO
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33 - Hardware Cursor support with NSCursor instead of Carbon
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34 - Keyboard repeat/mouse speed adjust (if needed)
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35 - Multiple monitor support (currently only main display)
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36 - Accelerated blitting support
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37 - Fix white OpenGL window on minimize (fixed) (update: broken again on 10.2)
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38 - Find out what events should be sent/ignored if window is minimized
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39 - Find a way to deal with external resolution/depth switch while app is running
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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)
501
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46 - Cursor in 8 bit modes is screwy (might just be Radeon PCI bug) (update: not just Radeon)
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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 /* Needs to be first, so QuickTime.h doesn't include glext.h (10.4) */
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52 #include "SDL_opengl.h"
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53
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54 #include <Cocoa/Cocoa.h>
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55 #include <Carbon/Carbon.h>
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56 #include <QuickTime/QuickTime.h>
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57 #include <OpenGL/CGLTypes.h> /* For CGLContextObj */
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58 #include <IOKit/IOKitLib.h> /* For powersave handling */
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59 #include <pthread.h>
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60
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61 #include "SDL_thread.h"
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62 #include "SDL_video.h"
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63 #include "SDL_error.h"
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64 #include "SDL_timer.h"
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65 #include "SDL_loadso.h"
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66 #include "SDL_syswm.h"
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67 #include "../SDL_sysvideo.h"
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68 #include "../SDL_pixels_c.h"
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69 #include "../../events/SDL_events_c.h"
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70
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71 /*
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72 This is a workaround to directly access NSOpenGLContext's CGL context
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73 We need this to check for errors NSOpenGLContext doesn't support
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74 */
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75 @ interface NSOpenGLContext(CGLContextAccess) - (CGLContextObj) cglContext;
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76 @end
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77 /* Main driver structure to store required state information */
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78 typedef struct SDL_PrivateVideoData
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79 {
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80
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81 CGDirectDisplayID
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82 display; /* 0 == main display (only support single display) */
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83 CFDictionaryRef
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84 mode; /* current mode of the display */
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85 CFDictionaryRef
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86 save_mode; /* original mode of the display */
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87 CFArrayRef
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88 mode_list; /* list of available fullscreen modes */
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89 CGDirectPaletteRef
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90 palette; /* palette of an 8-bit display */
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91 NSOpenGLContext *
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92 gl_context; /* OpenGL rendering context */
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93 Uint32
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94 width,
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95 height,
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96 bpp; /* frequently used data about the display */
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97 Uint32
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98 flags; /* flags for current mode, for teardown purposes */
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99 Uint32
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100 video_set; /* boolean; indicates if video was set correctly */
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101 Uint32
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102 warp_flag; /* boolean; notify to event loop that a warp just occured */
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103 Uint32
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104 warp_ticks; /* timestamp when the warp occured */
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105 NSWindow *
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106 window; /* Cocoa window to implement the SDL window */
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107 NSQuickDrawView *
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108 view; /* the window's view; draw 2D and OpenGL into this view */
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109 SDL_Surface *
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110 resize_icon; /* icon for the resize badge, we have to draw it by hand */
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111 SDL_GrabMode
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112 current_grab_mode; /* default value is SDL_GRAB_OFF */
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113 SDL_Rect **
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114 client_mode_list; /* resolution list to pass back to client */
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115 SDLKey
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116 keymap[256]; /* Mac OS X to SDL key mapping */
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117 Uint32
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118 current_mods; /* current keyboard modifiers, to track modifier state */
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119 Uint32
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120 last_virtual_button; /* last virtual mouse button pressed */
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121 io_connect_t
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122 power_connection; /* used with IOKit to detect wake from sleep */
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123 Uint8
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124 expect_mouse_up; /* used to determine when to send mouse up events */
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125 Uint8
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126 grab_state; /* used to manage grab behavior */
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127 NSPoint
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128 cursor_loc; /* saved cursor coords, for activate/deactivate when grabbed */
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129 BOOL
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130 cursor_should_be_visible; /* tells if cursor is supposed to be visible (SDL_ShowCursor) */
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131 BOOL
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132 cursor_visible; /* tells if cursor is *actually* visible or not */
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133 Uint8 *
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134 sw_buffers[2]; /* pointers to the two software buffers for double-buffer emulation */
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135 SDL_Thread *
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136 thread; /* thread for async updates to the screen */
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137 SDL_sem *
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138 sem1, *
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139 sem2; /* synchronization for async screen updates */
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140 Uint8 *
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141 current_buffer; /* the buffer being copied to the screen */
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142 BOOL
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143 quit_thread; /* used to quit the async blitting thread */
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144 SInt32
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145 system_version; /* used to dis-/enable workarounds depending on the system version */
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146
1662
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147 ImageDescriptionHandle
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148 yuv_idh;
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149 MatrixRecordPtr
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150 yuv_matrix;
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151 DecompressorComponent
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152 yuv_codec;
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153 ImageSequence
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154 yuv_seq;
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155 PlanarPixmapInfoYUV420 *
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156 yuv_pixmap;
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157 Sint16
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158 yuv_width,
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159 yuv_height;
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160 CGrafPtr
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161 yuv_port;
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162
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163 void *
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164 opengl_library; /* dynamically loaded OpenGL library. */
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165 } SDL_PrivateVideoData;
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166
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167 #define _THIS SDL_VideoDevice *this
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168 #define display_id (this->hidden->display)
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169 #define mode (this->hidden->mode)
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170 #define save_mode (this->hidden->save_mode)
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171 #define mode_list (this->hidden->mode_list)
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172 #define palette (this->hidden->palette)
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173 #define gl_context (this->hidden->gl_context)
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174 #define device_width (this->hidden->width)
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175 #define device_height (this->hidden->height)
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176 #define device_bpp (this->hidden->bpp)
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177 #define mode_flags (this->hidden->flags)
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178 #define qz_window (this->hidden->window)
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179 #define window_view (this->hidden->view)
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180 #define video_set (this->hidden->video_set)
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181 #define warp_ticks (this->hidden->warp_ticks)
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182 #define warp_flag (this->hidden->warp_flag)
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183 #define resize_icon (this->hidden->resize_icon)
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184 #define current_grab_mode (this->hidden->current_grab_mode)
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185 #define client_mode_list (this->hidden->client_mode_list)
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186 #define keymap (this->hidden->keymap)
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187 #define current_mods (this->hidden->current_mods)
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188 #define last_virtual_button (this->hidden->last_virtual_button)
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189 #define power_connection (this->hidden->power_connection)
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190 #define expect_mouse_up (this->hidden->expect_mouse_up)
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191 #define grab_state (this->hidden->grab_state)
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192 #define cursor_loc (this->hidden->cursor_loc)
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193 #define cursor_should_be_visible (this->hidden->cursor_should_be_visible)
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194 #define cursor_visible (this->hidden->cursor_visible)
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195 #define sw_buffers (this->hidden->sw_buffers)
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196 #define thread (this->hidden->thread)
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197 #define sem1 (this->hidden->sem1)
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198 #define sem2 (this->hidden->sem2)
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199 #define current_buffer (this->hidden->current_buffer)
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200 #define quit_thread (this->hidden->quit_thread)
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201 #define system_version (this->hidden->system_version)
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202 #define opengl_library (this->hidden->opengl_library)
501
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203
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204 /* grab states - the input is in one of these states */
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205 enum
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206 {
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207 QZ_UNGRABBED = 0,
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208 QZ_VISIBLE_GRAB,
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209 QZ_INVISIBLE_GRAB
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210 };
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211
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212 /* grab actions - these can change the grabbed state */
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213 enum
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214 {
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215 QZ_ENABLE_GRAB = 0,
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216 QZ_DISABLE_GRAB,
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217 QZ_HIDECURSOR,
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218 QZ_SHOWCURSOR
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219 };
563
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220
47
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221 /* Gamma Functions */
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222 int
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223 QZ_SetGamma(_THIS, float red, float green, float blue);
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224 int
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225 QZ_GetGamma(_THIS, float *red, float *green, float *blue);
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226 int
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227 QZ_SetGammaRamp(_THIS, Uint16 * ramp);
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228 int
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229 QZ_GetGammaRamp(_THIS, Uint16 * ramp);
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230
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231 /* OpenGL functions */
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232 int
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233 QZ_SetupOpenGL(_THIS, int bpp, Uint32 flags);
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234 void
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235 QZ_TearDownOpenGL(_THIS);
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236 void *
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237 QZ_GL_GetProcAddress(_THIS, const char *proc);
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238 int
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239 QZ_GL_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
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240 int
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241 QZ_GL_MakeCurrent(_THIS);
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242 void
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243 QZ_GL_SwapBuffers(_THIS);
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244 int
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245 QZ_GL_LoadLibrary(_THIS, const char *location);
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246
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247 /* Cursor and Mouse functions */
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248 void
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249 QZ_FreeWMCursor(_THIS, WMcursor * cursor);
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250 WMcursor *
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251 QZ_CreateWMCursor(_THIS, Uint8 * data, Uint8 * mask,
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252 int w, int h, int hot_x, int hot_y);
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253 int
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254 QZ_ShowWMCursor(_THIS, WMcursor * cursor);
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255 void
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256 QZ_WarpWMCursor(_THIS, Uint16 x, Uint16 y);
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257 void
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258 QZ_MoveWMCursor(_THIS, int x, int y);
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259 void
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260 QZ_CheckMouseMode(_THIS);
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261 void
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262 QZ_UpdateMouse(_THIS);
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263
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264 /* Event functions */
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265 void
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266 QZ_InitOSKeymap(_THIS);
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267 void
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268 QZ_PumpEvents(_THIS);
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269
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270 /* Window Manager functions */
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271 void
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272 QZ_SetCaption(_THIS, const char *title, const char *icon);
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273 void
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274 QZ_SetIcon(_THIS, SDL_Surface * icon, Uint8 * mask);
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275 int
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276 QZ_IconifyWindow(_THIS);
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277 SDL_GrabMode
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278 QZ_GrabInput(_THIS, SDL_GrabMode grab_mode);
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279 /*int QZ_GetWMInfo (_THIS, SDL_SysWMinfo *info);*/
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280
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281 /* YUV functions */
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282 SDL_Overlay *QZ_CreateYUVOverlay(_THIS, int width, int height,
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283 Uint32 format, SDL_Surface * display);
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284
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285
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286 /* Private functions (used internally) */
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287 void QZ_PrivateWarpCursor(_THIS, int x, int y);
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288 void QZ_ChangeGrabState(_THIS, int action);
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289 void QZ_RegisterForSleepNotifications(_THIS);
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290 void QZ_ShowMouse(_THIS);
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291 void QZ_HideMouse(_THIS);
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292 void QZ_PrivateGlobalToLocal(_THIS, NSPoint * p);
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293 void QZ_PrivateCocoaToSDL(_THIS, NSPoint * p);
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294 BOOL
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295 QZ_IsMouseInWindow(_THIS);
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296 void QZ_DoActivate(_THIS);
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297 void QZ_DoDeactivate(_THIS);
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298 /* vi: set ts=4 sw=4 expandtab: */