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annotate src/video/photon/SDL_ph_image.c @ 648:12a21d82a060

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Exposed SDL_LoadObject(), SDL_LoadFunction(), and SDL_UnloadObject() APIs
author Sam Lantinga <slouken@libsdl.org>
date Thu, 10 Jul 2003 07:46:19 +0000
parents 8e3ce997621c
children 8bedd6d61642
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 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdlib.h>
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29 #include <Ph.h>
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30 #include <photon/Pg.h>
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31
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32 #include "SDL.h"
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33 #include "SDL_error.h"
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34 #include "SDL_endian.h"
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35 #include "SDL_video.h"
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36 #include "SDL_pixels_c.h"
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37 #include "SDL_ph_image_c.h"
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38
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39 /* Mask values for SDL_ReallocFormat() */
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40 struct ColourMasks
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41 {
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42 Uint32 red;
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43 Uint32 green;
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44 Uint32 blue;
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45 Uint32 alpha;
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46 Uint32 bpp;
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47 };
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48
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49 static const struct ColourMasks *ph_GetColourMasks( int format )
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50 {
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51 /* The alpha mask doesn't appear to be needed */
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52 static const struct ColourMasks phColorMasks[5] = {
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53 /* 8 bit */ {0, 0, 0, 0, 8},
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54 /* 15 bit ARGB */ {0x7C00, 0x03E0, 0x001F, 0x8000, 16},
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55 /* 16 bit RGB */ {0xF800, 0x07E0, 0x001F, 0x0000, 16},
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56 /* 24 bit RGB */ {0xFF0000, 0x00FF00, 0x0000FF, 0x000000, 24},
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57 /* 32 bit ARGB */ {0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, 32},
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58 };
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59
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60 switch( format )
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61 {
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62 case Pg_IMAGE_PALETTE_BYTE:
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63 return &phColorMasks[0];
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64 break;
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65 case Pg_IMAGE_DIRECT_1555:
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66 case Pg_IMAGE_DIRECT_555:
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67 return &phColorMasks[1];
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68 break;
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69 case Pg_IMAGE_DIRECT_565:
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70 return &phColorMasks[2];
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71 break;
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72 case Pg_IMAGE_DIRECT_888:
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73 return &phColorMasks[3];
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74 break;
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75 case Pg_IMAGE_DIRECT_8888:
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76 return &phColorMasks[4];
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77 break;
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78 }
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79 return NULL;
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80 }
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81
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82 int ph_SetupImage(_THIS, SDL_Surface *screen)
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83 {
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84 PgColor_t* palette=NULL;
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85 const struct ColourMasks* mask;
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86 int type=0;
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87 int bpp;
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88
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89 bpp=screen->format->BitsPerPixel;
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90
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91 /* Determine image type */
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92 switch(bpp)
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93 {
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94 case 8:{
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95 type = Pg_IMAGE_PALETTE_BYTE;
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96 }
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97 break;
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98 case 15:{
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99 type = Pg_IMAGE_DIRECT_555;
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100 }
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101 break;
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102 case 16:{
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103 type = Pg_IMAGE_DIRECT_565;
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104 }
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105 break;
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106 case 24:{
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107 type = Pg_IMAGE_DIRECT_888;
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108 }
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109 break;
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110 case 32:{
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111 type = Pg_IMAGE_DIRECT_8888;
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112 }
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113 break;
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114 default:{
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115 fprintf(stderr,"ph_SetupImage(): unsupported bpp=%d !\n", bpp);
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116 return -1;
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117 }
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118 break;
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119 }
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120
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121 /* palette emulation code */
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122 if ((bpp==8) && (desktoppal==SDLPH_PAL_EMULATE))
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123 {
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124 /* creating image palette */
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125 palette=malloc(_Pg_MAX_PALETTE*sizeof(PgColor_t));
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126 PgGetPalette(palette);
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127
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128 /* using shared memory for speed (set last param to 1) */
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129 if ((SDL_Image = PhCreateImage(NULL, screen->w, screen->h, type, palette, _Pg_MAX_PALETTE, 1)) == NULL)
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130 {
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131 fprintf(stderr,"ph_SetupImage(): PhCreateImage failed for bpp=8 !\n");
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132 return -1;
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133 }
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134 }
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135 else
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136 {
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137 /* using shared memory for speed (set last param to 1) */
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138 if ((SDL_Image = PhCreateImage(NULL, screen->w, screen->h, type, NULL, 0, 1)) == NULL)
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139 {
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140 fprintf(stderr,"ph_SetupImage: PhCreateImage failed !\n");
315
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diff changeset
141 return -1;
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diff changeset
142 }
291
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diff changeset
143 }
571
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diff changeset
144
291
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diff changeset
145 screen->pixels = SDL_Image->image;
380
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diff changeset
146 screen->pitch = SDL_Image->bpl; /* Recalculated pitch, created by PhCreateImage */
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147
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diff changeset
148 mask = ph_GetColourMasks(type);
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diff changeset
149 if (mask != NULL)
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diff changeset
150 {
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diff changeset
151 SDL_ReallocFormat(screen, mask->bpp, mask->red, mask->green, mask->blue, 0);
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diff changeset
152 }
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diff changeset
153
291
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diff changeset
154 this->UpdateRects = ph_NormalUpdate;
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diff changeset
155
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diff changeset
156 return 0;
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157 }
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diff changeset
158
315
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diff changeset
159 int ph_SetupOCImage(_THIS, SDL_Surface *screen)
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160 {
571
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161 const struct ColourMasks *mask;
370
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162 int type = 0;
380
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diff changeset
163 int bpp;
571
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164
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165 screen->flags &= ~SDL_DOUBLEBUF;
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166 OCImage.flags = screen->flags;
380
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167
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168 bpp=screen->format->BitsPerPixel;
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169
370
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170 /* Determine image type */
380
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171 switch(bpp)
370
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172 {
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173 case 8: {
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174 type = Pg_IMAGE_PALETTE_BYTE;
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175 }
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176 break;
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177 case 15:{
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178 type = Pg_IMAGE_DIRECT_555;
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179 }
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180 break;
370
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181 case 16:{
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182 type = Pg_IMAGE_DIRECT_565;
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diff changeset
183 }
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
184 break;
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diff changeset
185 case 24:{
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186 type = Pg_IMAGE_DIRECT_888;
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diff changeset
187 }
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
188 break;
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diff changeset
189 case 32:{
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190 type = Pg_IMAGE_DIRECT_8888;
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diff changeset
191 }
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
192 break;
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diff changeset
193 default:{
571
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diff changeset
194 fprintf(stderr,"ph_SetupOCImage(): unsupported bpp=%d !\n", bpp);
370
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diff changeset
195 return -1;
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diff changeset
196 }
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
197 break;
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diff changeset
198 }
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199
571
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200 /* Currently only offscreen contexts with the same bit depth as the
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diff changeset
201 * display can be created. */
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
202 OCImage.offscreen_context = PdCreateOffscreenContext(0, screen->w, screen->h, Pg_OSC_MEM_PAGE_ALIGN);
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diff changeset
203
370
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diff changeset
204 if (OCImage.offscreen_context == NULL)
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
205 {
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
206 fprintf(stderr, "ph_SetupOCImage(): PdCreateOffscreenContext failed !\n");
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
207 return -1;
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
208 }
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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diff changeset
209
571
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diff changeset
210 /* If the bit depth of the context is different than was requested,
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
211 * these values need to be updated accordingly. SDL will
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
212 * allocate a shadow surface if it needs to. */
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
213 mask = ph_GetColourMasks(OCImage.offscreen_context->format);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
214 if (mask != NULL)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
215 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
216 SDL_ReallocFormat(screen, mask->bpp, mask->red, mask->green, mask->blue, 0);
370
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diff changeset
217
571
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diff changeset
218 if (mask->bpp > 8)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
219 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
220 screen->flags &= ~SDL_HWPALETTE;
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
221 }
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
222 }
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
223
571
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parents: 380
diff changeset
224 screen->pitch = OCImage.offscreen_context->pitch; /* Recalculated pitch */
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
225
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
226 OCImage.dc_ptr.ptr8 = (unsigned char *) PdGetOffscreenContextPtr(OCImage.offscreen_context);
0
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diff changeset
227
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
228 if (OCImage.dc_ptr.ptr8 == NULL)
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
229 {
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
230 fprintf(stderr, "ph_SetupOCImage(): PdGetOffscreenContextPtr failed !\n");
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
231 return -1;
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
232 }
0
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parents:
diff changeset
233
571
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Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
234 OCImage.FrameData0 = OCImage.dc_ptr.ptr8;
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
235 OCImage.CurrentFrameData = OCImage.FrameData0;
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 315
diff changeset
236 OCImage.current = 0;
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
237
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
238 PhDCSetCurrent(OCImage.offscreen_context);
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
239
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
240 screen->pixels = OCImage.CurrentFrameData;
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
241
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 315
diff changeset
242 this->UpdateRects = ph_OCUpdate;
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 315
diff changeset
243
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
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parents: 315
diff changeset
244 return 0;
0
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parents:
diff changeset
245 }
74212992fb08 Initial revision
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parents:
diff changeset
246
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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parents: 283
diff changeset
247 int ph_SetupOpenGLImage(_THIS, SDL_Surface* screen)
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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parents: 283
diff changeset
248 {
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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parents: 283
diff changeset
249 this->UpdateRects = ph_OpenGLUpdate;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
250
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
251 return 0;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
252 }
0
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parents:
diff changeset
253
571
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parents: 380
diff changeset
254 int ph_SetupFullScreenImage(_THIS, SDL_Surface* screen)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
255 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
256 const struct ColourMasks *mask;
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
257 screen->flags &= ~SDL_DOUBLEBUF;
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
258 OCImage.flags = screen->flags;
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
259
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
260 OCImage.offscreen_context = PdCreateOffscreenContext(0, 0, 0, Pg_OSC_MAIN_DISPLAY);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
261
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
262 if (OCImage.offscreen_context == NULL)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
263 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
264 fprintf(stderr, "ph_SetupFullScreenImage(): PdCreateOffscreenContext failed !\n");
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
265 return -1;
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
266 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
267
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
268 /* If the bit depth of the context is different than was requested,
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
269 * these values need to be updated accordingly. SDL will
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
270 * allocate a shadow surface if it needs to. */
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
271 mask = ph_GetColourMasks(OCImage.offscreen_context->format);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
272 if (mask != NULL)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
273 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
274 SDL_ReallocFormat(screen, mask->bpp, mask->red, mask->green, mask->blue, 0);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
275
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
276 if (mask->bpp > 8)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
277 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
278 screen->flags &= ~SDL_HWPALETTE;
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279 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
280 }
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parents: 380
diff changeset
281
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282 screen->pitch = OCImage.offscreen_context->pitch; /* Recalculated pitch */
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parents: 380
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283
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284 OCImage.dc_ptr.ptr8 = (unsigned char *)PdGetOffscreenContextPtr(OCImage.offscreen_context);
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285
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diff changeset
286 if (OCImage.dc_ptr.ptr8 == NULL)
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diff changeset
287 {
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
288 fprintf(stderr, "ph_SetupOCImage(): PdGetOffscreenContextPtr failed !\n");
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289 return -1;
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
290 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
291
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diff changeset
292 /* wait for hw */
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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293 PgWaitHWIdle();
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
294
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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295 OCImage.FrameData0 = OCImage.dc_ptr.ptr8;
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296 OCImage.CurrentFrameData = OCImage.FrameData0;
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297 OCImage.current = 0;
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diff changeset
298
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diff changeset
299 PhDCSetCurrent(OCImage.offscreen_context);
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300
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301 screen->pixels = OCImage.CurrentFrameData;
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302
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
303 this->UpdateRects = ph_OCUpdate;
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diff changeset
304
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diff changeset
305 return 0;
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diff changeset
306 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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307
0
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308 void ph_DestroyImage(_THIS, SDL_Surface *screen)
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309 {
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
310 if (OCImage.offscreen_context != NULL)
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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311 {
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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312 PhDCRelease(OCImage.offscreen_context);
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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313 OCImage.offscreen_context = NULL;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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314 OCImage.FrameData0 = NULL;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
315 OCImage.FrameData1 = NULL;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
316 }
0
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parents:
diff changeset
317
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
318 if (SDL_Image)
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
319 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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320 /* if palette allocated, free it */
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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321 if (SDL_Image->palette)
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
322 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
323 free(SDL_Image->palette);
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
324 }
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
325 PgShmemDestroy(SDL_Image->image);
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
326 free(SDL_Image);
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
327 }
0
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diff changeset
328
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
329 /* Must be zeroed everytime */
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
330 SDL_Image = NULL;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
331
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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parents: 283
diff changeset
332 if (screen)
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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parents: 283
diff changeset
333 {
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
334 screen->pixels = NULL;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
335 }
0
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parents:
diff changeset
336 }
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parents:
diff changeset
337
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
338 int ph_SetupUpdateFunction(_THIS, SDL_Surface *screen, Uint32 flags)
0
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diff changeset
339 {
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diff changeset
340 ph_DestroyImage(this, screen);
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diff changeset
341
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
342 if ((flags & SDL_FULLSCREEN)==SDL_FULLSCREEN)
0
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diff changeset
343 {
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
344 return ph_SetupFullScreenImage(this, screen);
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
345 }
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 380
diff changeset
346 if ((flags & SDL_HWSURFACE)==SDL_HWSURFACE)
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
347 {
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
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diff changeset
348 return ph_SetupOCImage(this, screen);
0
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parents:
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349 }
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
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diff changeset
350 if ((flags & SDL_OPENGL)==SDL_OPENGL)
0
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parents:
diff changeset
351 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
352 return ph_SetupOpenGLImage(this, screen);
0
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parents:
diff changeset
353 }
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
354
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
355 return ph_SetupImage(this, screen);
0
74212992fb08 Initial revision
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parents:
diff changeset
356 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 int ph_AllocHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
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parents:
diff changeset
358 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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diff changeset
359 return(-1);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 void ph_FreeHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
364 return;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 int ph_FlipHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
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parents:
diff changeset
368 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
369 return(0);
0
74212992fb08 Initial revision
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parents:
diff changeset
370 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 int ph_LockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
374 return(0);
0
74212992fb08 Initial revision
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parents:
diff changeset
375 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 void ph_UnlockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
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parents:
diff changeset
378 {
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
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parents: 297
diff changeset
379 return;
0
74212992fb08 Initial revision
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parents:
diff changeset
380 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381
291
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
382 void ph_OpenGLUpdate(_THIS, int numrects, SDL_Rect* rects)
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
383 {
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
384 this->GL_SwapBuffers(this);
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
385
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
386 return;
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
387 }
68a8a8237c09 Date: Thu, 21 Feb 2002 09:18:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 283
diff changeset
388
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 void ph_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 {
380
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
391 PhPoint_t ph_pos;
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
392 PhRect_t ph_rect;
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
393 int i;
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
394
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
395 for (i=0; i<numrects; ++i)
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
396 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
397 if (rects[i].w==0) /* Clipped? */
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
398 {
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
399 continue;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
402 ph_pos.x = rects[i].x;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
403 ph_pos.y = rects[i].y;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
404 ph_rect.ul.x = rects[i].x;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
405 ph_rect.ul.y = rects[i].y;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
406 ph_rect.lr.x = rects[i].x + rects[i].w;
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
407 ph_rect.lr.y = rects[i].y + rects[i].h;
0
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parents:
diff changeset
408
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
409 if (PgDrawPhImageRectmx(&ph_pos, SDL_Image, &ph_rect, 0) < 0)
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
410 {
571
8e3ce997621c Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 380
diff changeset
411 fprintf(stderr,"ph_NormalUpdate(): PgDrawPhImageRectmx failed !\n");
315
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
412 }
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
413 }
3333b6e68289 Date: Sat, 23 Mar 2002 13:53:37 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
414
0
74212992fb08 Initial revision
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parents:
diff changeset
415 if (PgFlush() < 0)
266
c6abdda2f666 Added QNX cleanups by Mike Gorchak (thanks!)
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
416 {
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 315
diff changeset
417 fprintf(stderr,"ph_NormalUpdate(): PgFlush failed.\n");
0
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parents:
diff changeset
418 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419 }
370
ba72f259bc88 Date: Sat, 18 May 2002 17:40:53 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 315
diff changeset
420
0
74212992fb08 Initial revision
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parents:
diff changeset
421 void ph_OCUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 {
380
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
423 int i;
bce7171e7a85 Date: Wed, 22 May 2002 22:30:58 +0300
Sam Lantinga <slouken@libsdl.org>
parents: 370
diff changeset
424
315
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425 PhPoint_t zero = {0};
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426 PhArea_t src_rect;
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427 PhArea_t dest_rect;
315
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428
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429 PgSetRegion(PtWidgetRid(window));
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430 PgSetClipping(0, NULL);
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431 PgWaitHWIdle();
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432
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433 for (i=0; i<numrects; ++i)
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434 {
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435 if (rects[i].w == 0) /* Clipped? */
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436 {
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437 continue;
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438 }
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439
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440 src_rect.pos.x=rects[i].x;
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441 src_rect.pos.y=rects[i].y;
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442 dest_rect.pos.x=rects[i].x;
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443 dest_rect.pos.y=rects[i].y;
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444
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445 src_rect.size.w=rects[i].w;
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446 src_rect.size.h=rects[i].h;
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447 dest_rect.size.w=rects[i].w;
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448 dest_rect.size.h=rects[i].h;
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449
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450 zero.x = 0;
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451 zero.y = 0;
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452 PgSetTranslation(&zero, 0);
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453 PgSetRegion(PtWidgetRid(window));
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454 PgSetClipping(0, NULL);
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455 PgContextBlitArea(OCImage.offscreen_context, &src_rect, NULL, &dest_rect);
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456 }
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457
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458 if (PgFlush() < 0)
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459 {
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460 fprintf(stderr,"ph_OCUpdate(): PgFlush failed.\n");
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461 }
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462
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463 /* later used to toggling double buffer */
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464 if (OCImage.current == 0)
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465 {
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466 OCImage.CurrentFrameData = OCImage.FrameData0;
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467 }
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468 else
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469 {
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470 OCImage.CurrentFrameData = OCImage.FrameData1;
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471 }
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472 }