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annotate src/video/photon/SDL_ph_video.h @ 313:67ad846ed21c

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author Sam Lantinga <slouken@libsdl.org>
date Wed, 20 Mar 2002 02:37:44 +0000
parents 2de77f7b7a28
children 3333b6e68289
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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 #ifndef _SDL_ph_video_h
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24 #define _SDL_ph_video_h
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25
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26 #include "SDL_mouse.h"
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27 #include "SDL_sysvideo.h"
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28
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29 #include "Ph.h"
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30 #include "Pt.h"
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31 #include <photon/Pg.h>
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32 #include <photon/PdDirect.h>
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33 #ifdef HAVE_OPENGL
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34 #include <photon/PdGL.h>
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35 #endif /* HAVE_OPENGL */
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36
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37 /* Hidden "this" pointer for the video functions */
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38 #define _THIS SDL_VideoDevice *this
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39
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40 #define PH_OGL_MAX_ATTRIBS 32
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41
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42 typedef union vidptr{
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43 uint8_t *volatile ptr8;
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44 uint16_t *volatile ptr16;
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45 uint32_t *volatile ptr32;
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46 } VidPtr_t;
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47
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48 typedef struct {
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49 unsigned char *Y;
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50 unsigned char *V;
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51 unsigned char *U;
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52 }FRAMEDATA;
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53
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54 #define EVENT_SIZE sizeof( PhEvent_t ) + 1000
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55
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56 /* Private display data */
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57 struct SDL_PrivateVideoData {
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58 int local_ph; /* Flag: true if local display */
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59 PtAppContext_t app;
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60 PgDisplaySettings_t mode_settings;
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61 PtWidget_t *Window; /* used to handle input events */
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62 PhImage_t *image; /* used to display image */
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63 #ifdef HAVE_OPENGL
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64 PdOpenGLContext_t* OGLContext;
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65 #endif /* HAVE_OPENGL */
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66
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67 struct {
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68 PdDirectContext_t *direct_context;
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69 PdOffscreenContext_t *offscreen_context;
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70 VidPtr_t dc_ptr;
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71 FRAMEDATA *CurrentFrameData;
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72 FRAMEDATA *FrameData0;
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73 FRAMEDATA *FrameData1;
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74 int current;
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75 long Stride;
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76 long flags;
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77 } ocimage;
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78
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79 PhDrawContext_t *ScreenDC; //=NULL;
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80 signed short old_video_mode; //=-1;
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81 signed short old_refresh_rate; //=-1;
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82 PgHWCaps_t graphics_card_caps;
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83
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84 PdDirectContext_t *directContext;
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85 PdOffscreenContext_t *Buff[2];
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86 struct _Ph_ctrl* ctrl_channel;
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87
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88 /* The variables used for displaying graphics */
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89
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90 /* The current width and height of the fullscreen mode */
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91 int current_w;
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92 int current_h;
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93
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94 /* Support for internal mouse warping */
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95 struct {
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96 int x;
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97 int y;
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98 } mouse_last;
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99
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100 struct {
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101 int numerator;
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102 int denominator;
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103 int threshold;
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104 } mouse_accel;
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105
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106 int mouse_relative;
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107 WMcursor* BlankCursor;
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108
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109 int depth; /* current visual depth (not bpp) */
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110
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111 int use_vidmode;
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112 int currently_fullscreen;
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113
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114 /* Automatic mode switching support (entering/leaving fullscreen) */
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115 Uint32 switch_waiting;
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116 Uint32 switch_time;
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117
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118 /* Prevent too many XSync() calls */
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119 int blit_queued;
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120
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121 short *iconcolors; /* List of colors used by the icon */
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122 PhEvent_t* event;
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123 };
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124
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125 #define local_ph (this->hidden->local_ph)
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126 #define app (this->hidden->app)
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127 #define mode_settings (this->hidden->mode_settings)
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128 #define window (this->hidden->Window)
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129 #define oglctx (this->hidden->OGLContext)
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130 #define directContext (this->hidden->directContext)
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131 #define Buff (this->hidden->Buff)
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132 #define ctrl_channel (this->hidden->ctrl_channel)
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133 #define SDL_Image (this->hidden->image)
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134 #define OCImage (this->hidden->ocimage)
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135 #define old_video_mode (this->hidden->old_video_mode)
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136 #define old_refresh_rate (this->hidden->old_refresh_rate)
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137 #define graphics_card_caps (this->hidden->graphics_card_caps)
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138
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139 /* Old variable names */
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140 #define swap_pixels (this->hidden->swap_pixels)
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141 #define current_w (this->hidden->current_w)
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142 #define current_h (this->hidden->current_h)
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143 #define mouse_last (this->hidden->mouse_last)
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144 #define mouse_accel (this->hidden->mouse_accel)
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145 #define mouse_relative (this->hidden->mouse_relative)
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146 #define saved_mode (this->hidden->saved_mode)
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147 #define saved_view (this->hidden->saved_view)
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148 #define use_vidmode (this->hidden->use_vidmode)
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149 #define currently_fullscreen (this->hidden->currently_fullscreen)
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150 #define switch_waiting (this->hidden->switch_waiting)
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151 #define switch_time (this->hidden->switch_time)
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152 #define blit_queued (this->hidden->blit_queued)
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153 #define SDL_iconcolorIs (this->hidden->iconcolors)
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154 #define event (this->hidden->event)
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155 #define SDL_BlankCursor (this->hidden->BlankCursor)
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156
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157 #endif /* _SDL_x11video_h */