Mercurial > sdl-ios-xcode
annotate src/video/qnxgf/SDL_gf_render.c @ 3473:7bdc10624cba
This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 21 Nov 2009 07:14:21 +0000 |
| parents | 7f684f249ec9 |
| children | 4b594623401b |
| rev | line source |
|---|---|
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2009 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_settexturecolormod(SDL_Renderer * renderer, | |
| 52 SDL_Texture * texture); | |
| 53 static int gf_settexturealphamod(SDL_Renderer * renderer, | |
| 54 SDL_Texture * texture); | |
| 55 static int gf_settextureblendmode(SDL_Renderer * renderer, | |
| 56 SDL_Texture * texture); | |
| 57 static int gf_settexturescalemode(SDL_Renderer * renderer, | |
| 58 SDL_Texture * texture); | |
| 59 static int gf_updatetexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 60 const SDL_Rect * rect, const void *pixels, | |
| 61 int pitch); | |
| 62 static int gf_locktexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 63 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 64 int *pitch); | |
| 65 static void gf_unlocktexture(SDL_Renderer * renderer, SDL_Texture * texture); | |
| 66 static void gf_dirtytexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 67 int numrects, const SDL_Rect * rects); | |
| 68 static int gf_renderpoint(SDL_Renderer * renderer, int x, int y); | |
| 69 static int gf_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, | |
| 70 int y2); | |
| 71 static int gf_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect); | |
| 72 static int gf_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 73 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
| 74 static void gf_renderpresent(SDL_Renderer * renderer); | |
| 75 static void gf_destroytexture(SDL_Renderer * renderer, SDL_Texture * texture); | |
| 76 static void gf_destroyrenderer(SDL_Renderer * renderer); | |
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77 |
| 3139 | 78 SDL_RenderDriver gf_renderdriver = { |
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79 gf_createrenderer, |
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80 { |
| 3139 | 81 "qnxgf", |
| 82 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | | |
| 83 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | | |
| 84 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_PRESENTDISCARD | | |
| 85 SDL_RENDERER_ACCELERATED), | |
| 86 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR | | |
| 87 SDL_TEXTUREMODULATE_ALPHA), | |
| 88 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK | | |
| 89 SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD), | |
| 90 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_SLOW), | |
| 91 13, | |
| 92 { | |
| 93 SDL_PIXELFORMAT_INDEX8, | |
| 94 SDL_PIXELFORMAT_RGB555, | |
| 95 SDL_PIXELFORMAT_RGB565, | |
| 96 SDL_PIXELFORMAT_RGB888, | |
| 97 SDL_PIXELFORMAT_BGR888, | |
| 98 SDL_PIXELFORMAT_ARGB8888, | |
| 99 SDL_PIXELFORMAT_RGBA8888, | |
| 100 SDL_PIXELFORMAT_ABGR8888, | |
| 101 SDL_PIXELFORMAT_BGRA8888, | |
| 102 SDL_PIXELFORMAT_YV12, | |
| 103 SDL_PIXELFORMAT_YUY2, | |
| 104 SDL_PIXELFORMAT_UYVY, | |
| 105 SDL_PIXELFORMAT_YVYU}, | |
| 106 0, | |
| 107 0} | |
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108 }; |
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109 |
| 3139 | 110 static SDL_Renderer * |
| 111 gf_createrenderer(SDL_Window * window, Uint32 flags) | |
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112 { |
| 3139 | 113 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); |
| 114 SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata; | |
| 115 SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata; | |
| 116 SDL_Renderer *renderer = NULL; | |
| 117 SDL_RenderData *rdata = NULL; | |
| 118 uint32_t it; | |
| 119 int32_t jt; | |
| 120 int32_t status; | |
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121 |
| 3139 | 122 /* Check if it is OpenGL ES window */ |
| 123 if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) { | |
| 124 /* No error, just no need to create 2D renderer for OpenGL ES window */ | |
| 125 return NULL; | |
| 126 } | |
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127 |
| 3139 | 128 /* Allocate new renderer structure */ |
| 129 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(SDL_Renderer)); | |
| 130 if (renderer == NULL) { | |
| 131 SDL_OutOfMemory(); | |
| 132 return NULL; | |
| 133 } | |
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134 |
| 3139 | 135 /* Allocate renderer data */ |
| 136 rdata = (SDL_RenderData *) SDL_calloc(1, sizeof(SDL_RenderData)); | |
| 137 if (rdata == NULL) { | |
| 138 SDL_free(renderer); | |
| 139 SDL_OutOfMemory(); | |
| 140 return NULL; | |
| 141 } | |
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142 |
| 3139 | 143 renderer->DisplayModeChanged = gf_displaymodechanged; |
| 144 renderer->ActivateRenderer = gf_activaterenderer; | |
| 145 renderer->CreateTexture = gf_createtexture; | |
| 146 renderer->QueryTexturePixels = gf_querytexturepixels; | |
| 147 renderer->SetTexturePalette = gf_settexturepalette; | |
| 148 renderer->GetTexturePalette = gf_gettexturepalette; | |
| 149 renderer->SetTextureAlphaMod = gf_settexturealphamod; | |
| 150 renderer->SetTextureColorMod = gf_settexturecolormod; | |
| 151 renderer->SetTextureBlendMode = gf_settextureblendmode; | |
| 152 renderer->SetTextureScaleMode = gf_settexturescalemode; | |
| 153 renderer->UpdateTexture = gf_updatetexture; | |
| 154 renderer->LockTexture = gf_locktexture; | |
| 155 renderer->UnlockTexture = gf_unlocktexture; | |
| 156 renderer->DirtyTexture = gf_dirtytexture; | |
| 157 renderer->RenderPoint = gf_renderpoint; | |
| 158 renderer->RenderLine = gf_renderline; | |
| 159 renderer->RenderFill = gf_renderfill; | |
| 160 renderer->RenderCopy = gf_rendercopy; | |
| 161 renderer->RenderPresent = gf_renderpresent; | |
| 162 renderer->DestroyTexture = gf_destroytexture; | |
| 163 renderer->DestroyRenderer = gf_destroyrenderer; | |
| 164 renderer->info = gf_renderdriver.info; | |
| 165 renderer->window = window->id; | |
| 166 renderer->driverdata = rdata; | |
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167 |
| 3139 | 168 /* Set render acceleration flag in case it is accelerated */ |
| 169 if ((didata->caps & SDL_GF_ACCELERATED) == SDL_GF_ACCELERATED) { | |
| 170 renderer->info.flags = SDL_RENDERER_ACCELERATED; | |
| 171 } else { | |
| 172 renderer->info.flags &= ~(SDL_RENDERER_ACCELERATED); | |
| 173 } | |
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174 |
| 3139 | 175 rdata->window = window; |
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176 |
| 3139 | 177 /* Check if upper level requested synchronization on vsync signal */ |
| 178 if ((flags & SDL_RENDERER_PRESENTVSYNC) == SDL_RENDERER_PRESENTVSYNC) { | |
| 179 rdata->enable_vsync = SDL_TRUE; | |
| 180 } else { | |
| 181 rdata->enable_vsync = SDL_FALSE; | |
| 182 } | |
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183 |
| 3139 | 184 /* Check what buffer copy/flip scheme is requested */ |
| 185 rdata->surfaces_count = 0; | |
| 186 if ((flags & SDL_RENDERER_SINGLEBUFFER) == SDL_RENDERER_SINGLEBUFFER) { | |
| 187 if ((flags & SDL_RENDERER_PRESENTDISCARD) == | |
| 188 SDL_RENDERER_PRESENTDISCARD) { | |
| 189 renderer->info.flags |= | |
| 190 SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD; | |
| 191 } else { | |
| 192 renderer->info.flags |= | |
| 193 SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY; | |
| 194 } | |
| 195 rdata->surfaces_count = 1; | |
| 196 rdata->surface_visible_idx = 0; | |
| 197 rdata->surface_render_idx = 0; | |
| 198 } else { | |
| 199 if ((flags & SDL_RENDERER_PRESENTFLIP2) == SDL_RENDERER_PRESENTFLIP2) { | |
| 200 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2; | |
| 201 rdata->surfaces_count = 2; | |
| 202 rdata->surface_visible_idx = 0; | |
| 203 rdata->surface_render_idx = 1; | |
| 204 } else { | |
| 205 if ((flags & SDL_RENDERER_PRESENTFLIP3) == | |
| 206 SDL_RENDERER_PRESENTFLIP3) { | |
| 207 renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3; | |
| 208 rdata->surfaces_count = 3; | |
| 209 rdata->surface_visible_idx = 0; | |
| 210 rdata->surface_render_idx = 1; | |
| 211 } else { | |
| 212 renderer->info.flags |= | |
| 213 SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY; | |
| 214 rdata->surfaces_count = 1; | |
| 215 rdata->surface_visible_idx = 0; | |
| 216 rdata->surface_render_idx = 0; | |
| 217 } | |
| 218 } | |
| 219 } | |
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220 |
| 3139 | 221 /* Create layer surfaces, which could be visible */ |
| 222 for (it = 0; it < rdata->surfaces_count; it++) { | |
| 223 /* TODO: add palette creation */ | |
| 224 | |
| 225 /* Create displayable surfaces */ | |
| 226 status = | |
| 227 gf_surface_create_layer(&rdata->surface[it], &didata->layer, 1, 0, | |
| 228 didata->current_mode.w, | |
| 229 didata->current_mode.h, | |
| 230 qnxgf_sdl_to_gf_pixelformat(didata-> | |
| 231 current_mode. | |
| 232 format), NULL, | |
| 233 GF_SURFACE_CREATE_2D_ACCESSIBLE); | |
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234 |
| 3139 | 235 if (status != GF_ERR_OK) { |
| 236 /* Free already allocated surfaces */ | |
| 237 for (jt = it - 1; jt > 0; jt--) { | |
| 238 gf_surface_free(rdata->surface[jt]); | |
| 239 rdata->surface[jt] = NULL; | |
| 240 } | |
| 241 SDL_free(rdata); | |
| 242 SDL_free(renderer); | |
| 243 if (status == GF_ERR_MEM) { | |
| 244 SDL_SetError("unsufficient free video memory"); | |
| 245 } else { | |
| 246 SDL_SetError("error during displayable surface creation"); | |
| 247 } | |
| 248 return NULL; | |
| 249 } | |
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250 |
| 3139 | 251 /* Get detailed information about allocated surface */ |
| 252 gf_surface_get_info(rdata->surface[it], &rdata->surface_info[it]); | |
| 253 } | |
| 254 | |
| 255 return renderer; | |
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256 } |
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257 |
| 3139 | 258 void |
| 259 gf_addrenderdriver(_THIS) | |
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260 { |
| 3139 | 261 uint32_t it; |
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262 |
| 3139 | 263 for (it = 0; it < _this->num_displays; it++) { |
| 264 SDL_AddRenderDriver(it, &gf_renderdriver); | |
| 265 } | |
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266 } |
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267 |
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268 /****************************************************************************/ |
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269 /* SDL render interface */ |
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270 /****************************************************************************/ |
| 3139 | 271 static int |
| 272 gf_displaymodechanged(SDL_Renderer * renderer) | |
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273 { |
| 3139 | 274 SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; |
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275 |
| 3139 | 276 /* Remove all allocated surfaces, they are no more valid */ |
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277 |
| 3139 | 278 /* TODO: Add video mode change detection and new parameters detection */ |
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279 |
| 3139 | 280 return 0; |
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281 } |
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282 |
| 3139 | 283 static int |
| 284 gf_activaterenderer(SDL_Renderer * renderer) | |
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285 { |
| 3139 | 286 SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; |
| 287 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(rdata->window); | |
| 288 SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata; | |
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289 |
| 3139 | 290 /* Setup current surface as visible */ |
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291 // gf_layer_set_surfaces(didata->layer, &rdata->surface[rdata->surface_visible_idx], 1); |
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292 |
| 3139 | 293 /* Set visible surface when hardware in idle state */ |
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294 // gf_layer_update(didata->layer, GF_LAYER_UPDATE_NO_WAIT_IDLE); |
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295 |
| 3139 | 296 return 0; |
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297 } |
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298 |
| 3139 | 299 static int |
| 300 gf_createtexture(SDL_Renderer * renderer, SDL_Texture * texture) | |
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301 { |
| 3139 | 302 SDL_RenderData *renderdata = (SDL_RenderData *) renderer->driverdata; |
| 303 SDL_Window *window = SDL_GetWindowFromID(renderer->window); | |
| 304 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); | |
| 305 SDL_TextureData *tdata = NULL; | |
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306 |
| 3139 | 307 /* Allocate texture driver data */ |
| 308 tdata = (SDL_TextureData *) SDL_calloc(1, sizeof(SDL_TextureData)); | |
| 309 if (tdata == NULL) { | |
| 310 SDL_OutOfMemory(); | |
| 311 return -1; | |
| 312 } | |
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313 |
| 3139 | 314 /* Set texture driver data */ |
| 315 texture->driverdata = tdata; | |
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316 |
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317 } |
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318 |
| 3139 | 319 static int |
| 320 gf_querytexturepixels(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 321 void **pixels, int *pitch) | |
| 322 { | |
| 323 } | |
| 324 | |
| 325 static int | |
| 326 gf_settexturepalette(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 327 const SDL_Color * colors, int firstcolor, int ncolors) | |
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328 { |
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329 } |
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330 |
| 3139 | 331 static int |
| 332 gf_gettexturepalette(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 333 SDL_Color * colors, int firstcolor, int ncolors) | |
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334 { |
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335 } |
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336 |
| 3139 | 337 static int |
| 338 gf_settexturecolormod(SDL_Renderer * renderer, SDL_Texture * texture) | |
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339 { |
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340 } |
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341 |
| 3139 | 342 static int |
| 343 gf_settexturealphamod(SDL_Renderer * renderer, SDL_Texture * texture) | |
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344 { |
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345 } |
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346 |
| 3139 | 347 static int |
| 348 gf_settextureblendmode(SDL_Renderer * renderer, SDL_Texture * texture) | |
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349 { |
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350 } |
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351 |
| 3139 | 352 static int |
| 353 gf_settexturescalemode(SDL_Renderer * renderer, SDL_Texture * texture) | |
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354 { |
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355 } |
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356 |
| 3139 | 357 static int |
| 358 gf_updatetexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 359 const SDL_Rect * rect, const void *pixels, int pitch) | |
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360 { |
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361 } |
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362 |
| 3139 | 363 static int |
| 364 gf_locktexture(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 365 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 366 int *pitch) | |
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367 { |
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368 } |
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369 |
| 3139 | 370 static void |
| 371 gf_unlocktexture(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_dirtytexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects, | |
| 377 const SDL_Rect * rects) | |
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378 { |
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379 } |
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380 |
| 3139 | 381 static int |
| 382 gf_renderpoint(SDL_Renderer * renderer, int x, int y) | |
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383 { |
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384 } |
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385 |
| 3139 | 386 static int |
| 387 gf_renderline(SDL_Renderer * renderer, int x1, int y1, int x2, int y2) | |
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388 { |
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389 } |
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390 |
| 3139 | 391 static int |
| 392 gf_renderfill(SDL_Renderer * renderer, const SDL_Rect * rect) | |
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393 { |
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394 } |
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395 |
| 3139 | 396 static int |
| 397 gf_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture, | |
| 398 const SDL_Rect * srcrect, const SDL_Rect * dstrect) | |
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399 { |
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400 } |
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401 |
| 3139 | 402 static void |
| 403 gf_renderpresent(SDL_Renderer * renderer) | |
| 404 { | |
| 405 } | |
| 406 | |
| 407 static void | |
| 408 gf_destroytexture(SDL_Renderer * renderer, SDL_Texture * texture) | |
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409 { |
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410 } |
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411 |
| 3139 | 412 static void |
| 413 gf_destroyrenderer(SDL_Renderer * renderer) | |
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414 { |
| 3139 | 415 SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; |
| 416 uint32_t it; | |
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417 |
| 3139 | 418 for (it = 0; it < rdata->surfaces_count; it++) { |
| 419 if (rdata->surface[it] != NULL) { | |
| 420 gf_surface_free(rdata->surface[it]); | |
| 421 } | |
| 422 } | |
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423 } |
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424 |
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425 /* vi: set ts=4 sw=4 expandtab: */ |