Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_photon_pixelfmt.c @ 5150:ad50b3db78bd
The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 01 Feb 2011 19:19:43 -0800 |
| parents | f7b03b6838cb |
| children |
| rev | line source |
|---|---|
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1 /* |
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2 SDL - Simple DirectMedia Layer |
| 3697 | 3 Copyright (C) 1997-2010 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 Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 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 Lesser 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 Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 QNX Photon GUI SDL driver |
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23 Copyright (C) 2009 Mike Gorchak |
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24 (mike@malva.ua, lestat@i.com.ua) |
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25 */ |
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26 |
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27 #include "SDL_photon_pixelfmt.h" |
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28 |
| 3139 | 29 uint32_t |
| 30 photon_bits_to_sdl_pixelformat(uint32_t pixelfmt) | |
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31 { |
| 3139 | 32 switch (pixelfmt) { |
| 33 case 8: | |
| 34 { | |
| 35 return SDL_PIXELFORMAT_INDEX8; | |
| 36 } | |
| 37 break; | |
| 38 case 15: | |
| 39 { | |
| 40 return SDL_PIXELFORMAT_ARGB1555; | |
| 41 } | |
| 42 break; | |
| 43 case 16: | |
| 44 { | |
| 45 return SDL_PIXELFORMAT_RGB565; | |
| 46 } | |
| 47 break; | |
| 48 case 24: | |
| 49 { | |
| 50 return SDL_PIXELFORMAT_RGB888; | |
| 51 } | |
| 52 break; | |
| 53 case 32: | |
| 54 { | |
| 55 return SDL_PIXELFORMAT_ARGB8888; | |
| 56 } | |
| 57 break; | |
| 58 } | |
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59 } |
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60 |
| 3139 | 61 uint32_t |
| 62 photon_sdl_to_bits_pixelformat(uint32_t pixelfmt) | |
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63 { |
| 3139 | 64 switch (pixelfmt) { |
| 65 case SDL_PIXELFORMAT_INDEX8: | |
| 66 { | |
| 67 return 8; | |
| 68 } | |
| 69 break; | |
| 70 case SDL_PIXELFORMAT_ARGB1555: | |
| 71 { | |
| 72 return 15; | |
| 73 } | |
| 74 break; | |
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75 case SDL_PIXELFORMAT_RGB555: |
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76 { |
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77 return 15; |
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78 } |
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79 break; |
| 3139 | 80 case SDL_PIXELFORMAT_ABGR1555: |
| 81 { | |
| 82 return 15; | |
| 83 } | |
| 84 break; | |
| 85 case SDL_PIXELFORMAT_RGB565: | |
| 86 { | |
| 87 return 16; | |
| 88 } | |
| 89 break; | |
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90 case SDL_PIXELFORMAT_RGB24: |
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91 { |
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92 return 24; |
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93 } |
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94 break; |
| 3139 | 95 case SDL_PIXELFORMAT_RGB888: |
| 96 { | |
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97 return 32; |
| 3139 | 98 } |
| 99 break; | |
| 100 case SDL_PIXELFORMAT_BGRA8888: | |
| 101 { | |
| 102 return 32; | |
| 103 } | |
| 104 break; | |
| 105 case SDL_PIXELFORMAT_ARGB8888: | |
| 106 { | |
| 107 return 32; | |
| 108 } | |
| 109 break; | |
| 110 case SDL_PIXELFORMAT_YV12: | |
| 111 { | |
| 112 return 8; | |
| 113 } | |
| 114 break; | |
| 115 case SDL_PIXELFORMAT_YUY2: | |
| 116 { | |
| 117 return 16; | |
| 118 } | |
| 119 break; | |
| 120 case SDL_PIXELFORMAT_UYVY: | |
| 121 { | |
| 122 return 16; | |
| 123 } | |
| 124 break; | |
| 125 case SDL_PIXELFORMAT_YVYU: | |
| 126 { | |
| 127 return 16; | |
| 128 } | |
| 129 break; | |
| 130 } | |
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131 |
| 3139 | 132 return 0; |
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133 } |
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134 |
| 3139 | 135 uint32_t |
| 136 photon_image_to_sdl_pixelformat(uint32_t pixelfmt) | |
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137 { |
| 3139 | 138 switch (pixelfmt) { |
| 139 case Pg_IMAGE_PALETTE_BYTE: | |
| 140 { | |
| 141 return SDL_PIXELFORMAT_INDEX8; | |
| 142 } | |
| 143 break; | |
| 144 case Pg_IMAGE_DIRECT_8888: | |
| 145 { | |
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146 return SDL_PIXELFORMAT_ARGB8888; |
| 3139 | 147 } |
| 148 break; | |
| 149 case Pg_IMAGE_DIRECT_888: | |
| 150 { | |
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151 return SDL_PIXELFORMAT_RGB24; |
| 3139 | 152 } |
| 153 break; | |
| 154 case Pg_IMAGE_DIRECT_565: | |
| 155 { | |
| 156 return SDL_PIXELFORMAT_RGB565; | |
| 157 } | |
| 158 break; | |
| 159 case Pg_IMAGE_DIRECT_555: | |
| 160 { | |
| 161 return SDL_PIXELFORMAT_RGB555; | |
| 162 } | |
| 163 break; | |
| 164 case Pg_IMAGE_DIRECT_1555: | |
| 165 { | |
| 166 return SDL_PIXELFORMAT_ARGB1555; | |
| 167 } | |
| 168 break; | |
| 169 } | |
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170 |
| 3139 | 171 return 0; |
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172 } |
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173 |
| 3139 | 174 uint32_t |
| 175 photon_sdl_to_image_pixelformat(uint32_t pixelfmt) | |
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176 { |
| 3139 | 177 switch (pixelfmt) { |
| 178 case SDL_PIXELFORMAT_INDEX8: | |
| 179 { | |
| 180 return Pg_IMAGE_PALETTE_BYTE; | |
| 181 } | |
| 182 break; | |
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183 case SDL_PIXELFORMAT_ARGB8888: |
| 3139 | 184 { |
| 185 return Pg_IMAGE_DIRECT_8888; | |
| 186 } | |
| 187 break; | |
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188 case SDL_PIXELFORMAT_RGB888: |
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189 { |
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190 return Pg_IMAGE_DIRECT_8888; |
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191 } |
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192 break; |
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193 case SDL_PIXELFORMAT_RGB24: |
| 3139 | 194 { |
| 195 return Pg_IMAGE_DIRECT_888; | |
| 196 } | |
| 197 break; | |
| 198 case SDL_PIXELFORMAT_RGB565: | |
| 199 { | |
| 200 return Pg_IMAGE_DIRECT_565; | |
| 201 } | |
| 202 break; | |
| 203 case SDL_PIXELFORMAT_ARGB1555: | |
| 204 { | |
| 205 return Pg_IMAGE_DIRECT_1555; | |
| 206 } | |
| 207 break; | |
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208 case SDL_PIXELFORMAT_RGB555: |
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209 { |
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210 return Pg_IMAGE_DIRECT_555; |
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211 } |
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212 break; |
| 3139 | 213 } |
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214 |
| 3139 | 215 return 0; |
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216 } |
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217 |
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218 /* vi: set ts=4 sw=4 expandtab: */ |