Mercurial > sdl-ios-xcode
annotate src/video/qnxgf/SDL_gf_render.c @ 5148:2f44e6969a59
Split the rendering API out into a separate header file.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 01 Feb 2011 15:02:21 -0800 |
| parents | 31e7f523ab3d |
| children | be02be2ea897 |
| 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 Graphics Framework 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_config.h" |
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28 |
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29 #include "../SDL_pixels_c.h" |
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30 #include "../SDL_yuv_sw_c.h" |
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31 |
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32 #include "SDL_video.h" |
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33 |
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34 #include "SDL_gf_render.h" |
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35 #include "SDL_qnxgf.h" |
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36 |
| 3139 | 37 static SDL_Renderer *gf_createrenderer(SDL_Window * window, Uint32 flags); |
| 38 static int gf_displaymodechanged(SDL_Renderer * renderer); | |
| 39 static int gf_activaterenderer(SDL_Renderer * renderer); | |
| 40 static int gf_createtexture(SDL_Renderer * renderer, SDL_Texture * texture); | |
| 41 static int gf_querytexturepixels(SDL_Renderer * renderer, | |
| 42 SDL_Texture * texture, void **pixels, | |
| 43 int *pitch); | |
| 44 static int gf_settexturepalette(SDL_Renderer * renderer, | |
| 45 SDL_Texture * texture, | |
| 46 const SDL_Color * colors, int firstcolor, | |
| 47 int ncolors); | |
| 48 static int gf_gettexturepalette(SDL_Renderer * renderer, | |
| 49 SDL_Texture * texture, SDL_Color * colors, | |
| 50 int firstcolor, int ncolors); | |
| 51 static int gf_updatetexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 52 const SDL_Rect * rect, const void *pixels, | |
| 53 int pitch); | |
| 54 static int gf_locktexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 55 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 56 int *pitch); | |
| 57 static void gf_unlocktexture(SDL_Renderer * renderer, SDL_Texture * texture); | |
| 58 static void gf_dirtytexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 59 int numrects, const SDL_Rect * rects); | |
| 60 static int gf_renderpoint(SDL_Renderer * renderer, int x, int y); | |
| 61 static int gf_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, | |
| 62 int y2); | |
| 63 static int gf_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect); | |
| 64 static int gf_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 65 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
| 66 static void gf_renderpresent(SDL_Renderer * renderer); | |
| 67 static void gf_destroytexture(SDL_Renderer * renderer, SDL_Texture * texture); | |
| 68 static void gf_destroyrenderer(SDL_Renderer * renderer); | |
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69 |
| 3139 | 70 SDL_RenderDriver gf_renderdriver = { |
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71 gf_createrenderer, |
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72 { |
| 3139 | 73 "qnxgf", |
| 74 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | | |
| 75 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | | |
| 76 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_PRESENTDISCARD | | |
| 77 SDL_RENDERER_ACCELERATED), | |
| 78 13, | |
| 79 { | |
| 80 SDL_PIXELFORMAT_INDEX8, | |
| 81 SDL_PIXELFORMAT_RGB555, | |
| 82 SDL_PIXELFORMAT_RGB565, | |
| 83 SDL_PIXELFORMAT_RGB888, | |
| 84 SDL_PIXELFORMAT_BGR888, | |
| 85 SDL_PIXELFORMAT_ARGB8888, | |
| 86 SDL_PIXELFORMAT_RGBA8888, | |
| 87 SDL_PIXELFORMAT_ABGR8888, | |
| 88 SDL_PIXELFORMAT_BGRA8888, | |
| 89 SDL_PIXELFORMAT_YV12, | |
| 90 SDL_PIXELFORMAT_YUY2, | |
| 91 SDL_PIXELFORMAT_UYVY, | |
| 92 SDL_PIXELFORMAT_YVYU}, | |
| 93 0, | |
| 94 0} | |
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95 }; |
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96 |
| 3139 | 97 static SDL_Renderer * |
| 98 gf_createrenderer(SDL_Window * window, Uint32 flags) | |
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99 { |
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100 SDL_VideoDisplay *display = window->display; |
| 3139 | 101 SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata; |
| 102 SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata; | |
| 103 SDL_Renderer *renderer = NULL; | |
| 104 SDL_RenderData *rdata = NULL; | |
| 105 uint32_t it; | |
| 106 int32_t jt; | |
| 107 int32_t status; | |
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108 |
| 3139 | 109 /* Check if it is OpenGL ES window */ |
| 110 if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) { | |
| 111 /* No error, just no need to create 2D renderer for OpenGL ES window */ | |
| 112 return NULL; | |
| 113 } | |
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114 |
| 3139 | 115 /* Allocate new renderer structure */ |
| 116 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(SDL_Renderer)); | |
| 117 if (renderer == NULL) { | |
| 118 SDL_OutOfMemory(); | |
| 119 return NULL; | |
| 120 } | |
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121 |
| 3139 | 122 /* Allocate renderer data */ |
| 123 rdata = (SDL_RenderData *) SDL_calloc(1, sizeof(SDL_RenderData)); | |
| 124 if (rdata == NULL) { | |
| 125 SDL_free(renderer); | |
| 126 SDL_OutOfMemory(); | |
| 127 return NULL; | |
| 128 } | |
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129 |
| 3139 | 130 renderer->DisplayModeChanged = gf_displaymodechanged; |
| 131 renderer->ActivateRenderer = gf_activaterenderer; | |
| 132 renderer->CreateTexture = gf_createtexture; | |
| 133 renderer->QueryTexturePixels = gf_querytexturepixels; | |
| 134 renderer->SetTexturePalette = gf_settexturepalette; | |
| 135 renderer->GetTexturePalette = gf_gettexturepalette; | |
| 136 renderer->UpdateTexture = gf_updatetexture; | |
| 137 renderer->LockTexture = gf_locktexture; | |
| 138 renderer->UnlockTexture = gf_unlocktexture; | |
| 139 renderer->DirtyTexture = gf_dirtytexture; | |
| 140 renderer->RenderPoint = gf_renderpoint; | |
| 141 renderer->RenderLine = gf_renderline; | |
| 142 renderer->RenderFill = gf_renderfill; | |
| 143 renderer->RenderCopy = gf_rendercopy; | |
| 144 renderer->RenderPresent = gf_renderpresent; | |
| 145 renderer->DestroyTexture = gf_destroytexture; | |
| 146 renderer->DestroyRenderer = gf_destroyrenderer; | |
| 147 renderer->info = gf_renderdriver.info; | |
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148 renderer->window = window; |
| 3139 | 149 renderer->driverdata = rdata; |
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150 |
| 3139 | 151 /* Set render acceleration flag in case it is accelerated */ |
| 152 if ((didata->caps & SDL_GF_ACCELERATED) == SDL_GF_ACCELERATED) { | |
| 153 renderer->info.flags = SDL_RENDERER_ACCELERATED; | |
| 154 } else { | |
| 155 renderer->info.flags &= ~(SDL_RENDERER_ACCELERATED); | |
| 156 } | |
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157 |
| 3139 | 158 rdata->window = window; |
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159 |
| 3139 | 160 /* Check if upper level requested synchronization on vsync signal */ |
| 161 if ((flags & SDL_RENDERER_PRESENTVSYNC) == SDL_RENDERER_PRESENTVSYNC) { | |
| 162 rdata->enable_vsync = SDL_TRUE; | |
| 163 } else { | |
| 164 rdata->enable_vsync = SDL_FALSE; | |
| 165 } | |
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166 |
| 3139 | 167 /* Check what buffer copy/flip scheme is requested */ |
| 168 rdata->surfaces_count = 0; | |
| 169 if ((flags & SDL_RENDERER_SINGLEBUFFER) == SDL_RENDERER_SINGLEBUFFER) { | |
| 170 if ((flags & SDL_RENDERER_PRESENTDISCARD) == | |
| 171 SDL_RENDERER_PRESENTDISCARD) { | |
| 172 renderer->info.flags |= | |
| 173 SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD; | |
| 174 } else { | |
| 175 renderer->info.flags |= | |
| 176 SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY; | |
| 177 } | |
| 178 rdata->surfaces_count = 1; | |
| 179 rdata->surface_visible_idx = 0; | |
| 180 rdata->surface_render_idx = 0; | |
| 181 } else { | |
| 182 if ((flags & SDL_RENDERER_PRESENTFLIP2) == SDL_RENDERER_PRESENTFLIP2) { | |
| 183 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2; | |
| 184 rdata->surfaces_count = 2; | |
| 185 rdata->surface_visible_idx = 0; | |
| 186 rdata->surface_render_idx = 1; | |
| 187 } else { | |
| 188 if ((flags & SDL_RENDERER_PRESENTFLIP3) == | |
| 189 SDL_RENDERER_PRESENTFLIP3) { | |
| 190 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3; | |
| 191 rdata->surfaces_count = 3; | |
| 192 rdata->surface_visible_idx = 0; | |
| 193 rdata->surface_render_idx = 1; | |
| 194 } else { | |
| 195 renderer->info.flags |= | |
| 196 SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY; | |
| 197 rdata->surfaces_count = 1; | |
| 198 rdata->surface_visible_idx = 0; | |
| 199 rdata->surface_render_idx = 0; | |
| 200 } | |
| 201 } | |
| 202 } | |
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203 |
| 3139 | 204 /* Create layer surfaces, which could be visible */ |
| 205 for (it = 0; it < rdata->surfaces_count; it++) { | |
| 206 /* TODO: add palette creation */ | |
| 207 | |
| 208 /* Create displayable surfaces */ | |
| 209 status = | |
| 210 gf_surface_create_layer(&rdata->surface[it], &didata->layer, 1, 0, | |
| 211 didata->current_mode.w, | |
| 212 didata->current_mode.h, | |
| 213 qnxgf_sdl_to_gf_pixelformat(didata-> | |
| 214 current_mode. | |
| 215 format), NULL, | |
| 216 GF_SURFACE_CREATE_2D_ACCESSIBLE); | |
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217 |
| 3139 | 218 if (status != GF_ERR_OK) { |
| 219 /* Free already allocated surfaces */ | |
| 220 for (jt = it - 1; jt > 0; jt--) { | |
| 221 gf_surface_free(rdata->surface[jt]); | |
| 222 rdata->surface[jt] = NULL; | |
| 223 } | |
| 224 SDL_free(rdata); | |
| 225 SDL_free(renderer); | |
| 226 if (status == GF_ERR_MEM) { | |
| 227 SDL_SetError("unsufficient free video memory"); | |
| 228 } else { | |
| 229 SDL_SetError("error during displayable surface creation"); | |
| 230 } | |
| 231 return NULL; | |
| 232 } | |
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233 |
| 3139 | 234 /* Get detailed information about allocated surface */ |
| 235 gf_surface_get_info(rdata->surface[it], &rdata->surface_info[it]); | |
| 236 } | |
| 237 | |
| 238 return renderer; | |
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239 } |
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240 |
| 3139 | 241 void |
| 242 gf_addrenderdriver(_THIS) | |
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243 { |
| 3139 | 244 uint32_t it; |
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245 |
| 3139 | 246 for (it = 0; it < _this->num_displays; it++) { |
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247 SDL_AddRenderDriver(&_this->displays[it], &gf_renderdriver); |
| 3139 | 248 } |
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249 } |
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250 |
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251 /****************************************************************************/ |
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252 /* SDL render interface */ |
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253 /****************************************************************************/ |
| 3139 | 254 static int |
| 255 gf_displaymodechanged(SDL_Renderer * renderer) | |
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256 { |
| 3139 | 257 SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; |
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258 |
| 3139 | 259 /* Remove all allocated surfaces, they are no more valid */ |
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260 |
| 3139 | 261 /* TODO: Add video mode change detection and new parameters detection */ |
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262 |
| 3139 | 263 return 0; |
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264 } |
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265 |
| 3139 | 266 static int |
| 267 gf_activaterenderer(SDL_Renderer * renderer) | |
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268 { |
| 3139 | 269 SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; |
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270 SDL_VideoDisplay *display = rdata->window->display; |
| 3139 | 271 SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata; |
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272 |
| 3139 | 273 /* Setup current surface as visible */ |
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274 // gf_layer_set_surfaces(didata->layer, &rdata->surface[rdata->surface_visible_idx], 1); |
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275 |
| 3139 | 276 /* Set visible surface when hardware in idle state */ |
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277 // gf_layer_update(didata->layer, GF_LAYER_UPDATE_NO_WAIT_IDLE); |
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278 |
| 3139 | 279 return 0; |
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280 } |
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281 |
| 3139 | 282 static int |
| 283 gf_createtexture(SDL_Renderer * renderer, SDL_Texture * texture) | |
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284 { |
| 3139 | 285 SDL_RenderData *renderdata = (SDL_RenderData *) renderer->driverdata; |
| 286 SDL_Window *window = SDL_GetWindowFromID(renderer->window); | |
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287 SDL_VideoDisplay *display = window->display; |
| 3139 | 288 SDL_TextureData *tdata = NULL; |
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289 |
| 3139 | 290 /* Allocate texture driver data */ |
| 291 tdata = (SDL_TextureData *) SDL_calloc(1, sizeof(SDL_TextureData)); | |
| 292 if (tdata == NULL) { | |
| 293 SDL_OutOfMemory(); | |
| 294 return -1; | |
| 295 } | |
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296 |
| 3139 | 297 /* Set texture driver data */ |
| 298 texture->driverdata = tdata; | |
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299 |
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300 } |
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301 |
| 3139 | 302 static int |
| 303 gf_querytexturepixels(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 304 void **pixels, int *pitch) | |
| 305 { | |
| 306 } | |
| 307 | |
| 308 static int | |
| 309 gf_settexturepalette(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 310 const SDL_Color * colors, int firstcolor, int ncolors) | |
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311 { |
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312 } |
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313 |
| 3139 | 314 static int |
| 315 gf_gettexturepalette(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 316 SDL_Color * colors, int firstcolor, int ncolors) | |
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317 { |
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318 } |
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319 |
| 3139 | 320 static int |
| 321 gf_updatetexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 322 const SDL_Rect * rect, const void *pixels, int pitch) | |
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323 { |
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324 } |
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325 |
| 3139 | 326 static int |
| 327 gf_locktexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 328 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 329 int *pitch) | |
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330 { |
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331 } |
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332 |
| 3139 | 333 static void |
| 334 gf_unlocktexture(SDL_Renderer * renderer, SDL_Texture * texture) | |
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335 { |
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336 } |
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337 |
| 3139 | 338 static void |
| 339 gf_dirtytexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects, | |
| 340 const SDL_Rect * rects) | |
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341 { |
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342 } |
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343 |
| 3139 | 344 static int |
| 345 gf_renderpoint(SDL_Renderer * renderer, int x, int y) | |
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346 { |
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347 } |
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348 |
| 3139 | 349 static int |
| 350 gf_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, int y2) | |
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351 { |
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352 } |
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353 |
| 3139 | 354 static int |
| 355 gf_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect) | |
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356 { |
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357 } |
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358 |
| 3139 | 359 static int |
| 360 gf_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 361 const SDL_Rect * srcrect, const SDL_Rect * dstrect) | |
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362 { |
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363 } |
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364 |
| 3139 | 365 static void |
| 366 gf_renderpresent(SDL_Renderer * renderer) | |
| 367 { | |
| 368 } | |
| 369 | |
| 370 static void | |
| 371 gf_destroytexture(SDL_Renderer * renderer, SDL_Texture * texture) | |
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372 { |
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373 } |
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374 |
| 3139 | 375 static void |
| 376 gf_destroyrenderer(SDL_Renderer * renderer) | |
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377 { |
| 3139 | 378 SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; |
| 379 uint32_t it; | |
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380 |
| 3139 | 381 for (it = 0; it < rdata->surfaces_count; it++) { |
| 382 if (rdata->surface[it] != NULL) { | |
| 383 gf_surface_free(rdata->surface[it]); | |
| 384 } | |
| 385 } | |
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386 } |
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387 |
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388 /* vi: set ts=4 sw=4 expandtab: */ |