1 /********************************************************** 2 * Copyright 2009-2011 VMware, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without 7 * restriction, including without limitation the rights to use, copy, 8 * modify, merge, publish, distribute, sublicense, and/or sell copies 9 * of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 ********************************************************* 25 * Authors: 26 * Thomas Hellstrom <thellstrom-at-vmware-dot-com> 27 */ 28 29 #include "xa_tracker.h" 30 #include "xa_priv.h" 31 #include "pipe/p_state.h" 32 #include "pipe/p_format.h" 33 #include "state_tracker/drm_driver.h" 34 #include "util/u_inlines.h" 35 36 /* 37 * format_map [xa_surface_type][first..last in list]. 38 * Needs to be updated when enum xa_formats is updated. 39 */ 40 41 static const enum xa_formats preferred_a[] = { xa_format_a8 }; 42 43 static const enum xa_formats preferred_argb[] = 44 { xa_format_a8r8g8b8, xa_format_x8r8g8b8, xa_format_r5g6b5, 45 xa_format_x1r5g5b5 46 }; 47 static const enum xa_formats preferred_z[] = 48 { xa_format_z32, xa_format_z24, xa_format_z16 }; 49 static const enum xa_formats preferred_sz[] = 50 { xa_format_x8z24, xa_format_s8z24 }; 51 static const enum xa_formats preferred_zs[] = 52 { xa_format_z24x8, xa_format_z24s8 }; 53 static const enum xa_formats preferred_yuv[] = { xa_format_yuv8 }; 54 55 static const enum xa_formats *preferred[] = 56 { NULL, preferred_a, preferred_argb, NULL, NULL, 57 preferred_z, preferred_zs, preferred_sz, preferred_yuv 58 }; 59 60 static const unsigned int num_preferred[] = { 0, 61 sizeof(preferred_a) / sizeof(enum xa_formats), 62 sizeof(preferred_argb) / sizeof(enum xa_formats), 63 0, 64 0, 65 sizeof(preferred_z) / sizeof(enum xa_formats), 66 sizeof(preferred_zs) / sizeof(enum xa_formats), 67 sizeof(preferred_sz) / sizeof(enum xa_formats), 68 sizeof(preferred_yuv) / sizeof(enum xa_formats) 69 }; 70 71 static const unsigned int stype_bind[XA_LAST_SURFACE_TYPE] = { 0, 72 PIPE_BIND_SAMPLER_VIEW, 73 PIPE_BIND_SAMPLER_VIEW, 74 PIPE_BIND_SAMPLER_VIEW, 75 PIPE_BIND_SAMPLER_VIEW, 76 PIPE_BIND_DEPTH_STENCIL, 77 PIPE_BIND_DEPTH_STENCIL, 78 PIPE_BIND_DEPTH_STENCIL, 79 PIPE_BIND_SAMPLER_VIEW 80 }; 81 82 static struct xa_format_descriptor 83 xa_get_pipe_format(enum xa_formats xa_format) 84 { 85 struct xa_format_descriptor fdesc; 86 87 fdesc.xa_format = xa_format; 88 89 switch (xa_format) { 90 case xa_format_a8r8g8b8: 91 fdesc.format = PIPE_FORMAT_B8G8R8A8_UNORM; 92 break; 93 case xa_format_x8r8g8b8: 94 fdesc.format = PIPE_FORMAT_B8G8R8X8_UNORM; 95 break; 96 case xa_format_r5g6b5: 97 fdesc.format = PIPE_FORMAT_B5G6R5_UNORM; 98 break; 99 case xa_format_x1r5g5b5: 100 fdesc.format = PIPE_FORMAT_B5G5R5A1_UNORM; 101 break; 102 case xa_format_a8: 103 fdesc.format = PIPE_FORMAT_L8_UNORM; 104 break; 105 case xa_format_z24: 106 fdesc.format = PIPE_FORMAT_Z24X8_UNORM; 107 break; 108 case xa_format_z16: 109 fdesc.format = PIPE_FORMAT_Z16_UNORM; 110 break; 111 case xa_format_z32: 112 fdesc.format = PIPE_FORMAT_Z32_UNORM; 113 break; 114 case xa_format_x8z24: 115 fdesc.format = PIPE_FORMAT_Z24X8_UNORM; 116 break; 117 case xa_format_z24x8: 118 fdesc.format = PIPE_FORMAT_X8Z24_UNORM; 119 break; 120 case xa_format_s8z24: 121 fdesc.format = PIPE_FORMAT_Z24_UNORM_S8_UINT; 122 break; 123 case xa_format_z24s8: 124 fdesc.format = PIPE_FORMAT_S8_UINT_Z24_UNORM; 125 break; 126 case xa_format_yuv8: 127 fdesc.format = PIPE_FORMAT_L8_UNORM; 128 break; 129 default: 130 fdesc.xa_format = xa_format_unknown; 131 break; 132 } 133 return fdesc; 134 } 135 136 XA_EXPORT struct xa_tracker * 137 xa_tracker_create(int drm_fd) 138 { 139 struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker)); 140 enum xa_surface_type stype; 141 unsigned int num_formats; 142 143 if (!xa) 144 return NULL; 145 146 xa->screen = driver_descriptor.create_screen(drm_fd); 147 if (!xa->screen) 148 goto out_no_screen; 149 150 xa->default_ctx = xa_context_create(xa); 151 if (!xa->default_ctx) 152 goto out_no_pipe; 153 154 num_formats = 0; 155 for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) 156 num_formats += num_preferred[stype]; 157 158 num_formats += 1; 159 xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats)); 160 if (!xa->supported_formats) 161 goto out_sf_alloc_fail; 162 163 xa->supported_formats[0] = xa_format_unknown; 164 num_formats = 1; 165 memset(xa->format_map, 0, sizeof(xa->format_map)); 166 167 for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) { 168 unsigned int bind = stype_bind[stype]; 169 enum xa_formats xa_format; 170 int i; 171 172 for (i = 0; i < num_preferred[stype]; ++i) { 173 xa_format = preferred[stype][i]; 174 175 struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format); 176 177 if (xa->screen->is_format_supported(xa->screen, fdesc.format, 178 PIPE_TEXTURE_2D, 0, bind)) { 179 if (xa->format_map[stype][0] == 0) 180 xa->format_map[stype][0] = num_formats; 181 xa->format_map[stype][1] = num_formats; 182 xa->supported_formats[num_formats++] = xa_format; 183 } 184 } 185 } 186 return xa; 187 188 out_sf_alloc_fail: 189 xa_context_destroy(xa->default_ctx); 190 out_no_pipe: 191 xa->screen->destroy(xa->screen); 192 out_no_screen: 193 free(xa); 194 return NULL; 195 } 196 197 XA_EXPORT void 198 xa_tracker_destroy(struct xa_tracker *xa) 199 { 200 free(xa->supported_formats); 201 xa_context_destroy(xa->default_ctx); 202 xa->screen->destroy(xa->screen); 203 free(xa); 204 } 205 206 static int 207 xa_flags_compat(unsigned int old_flags, unsigned int new_flags) 208 { 209 unsigned int flag_diff = (old_flags ^ new_flags); 210 211 if (flag_diff == 0) 212 return 1; 213 214 if (flag_diff & XA_FLAG_SHARED) 215 return 0; 216 /* 217 * Don't recreate if we're dropping the render target flag. 218 */ 219 if (flag_diff & XA_FLAG_RENDER_TARGET) 220 return ((new_flags & XA_FLAG_RENDER_TARGET) == 0); 221 222 /* 223 * Don't recreate if we're dropping the scanout flag. 224 */ 225 if (flag_diff & XA_FLAG_SCANOUT) 226 return ((new_flags & XA_FLAG_SCANOUT) == 0); 227 228 /* 229 * Always recreate for unknown / unimplemented flags. 230 */ 231 return 0; 232 } 233 234 static struct xa_format_descriptor 235 xa_get_format_stype_depth(struct xa_tracker *xa, 236 enum xa_surface_type stype, unsigned int depth) 237 { 238 unsigned int i; 239 struct xa_format_descriptor fdesc; 240 int found = 0; 241 242 for (i = xa->format_map[stype][0]; i <= xa->format_map[stype][1]; ++i) { 243 fdesc = xa_get_pipe_format(xa->supported_formats[i]); 244 if (fdesc.xa_format != xa_format_unknown && 245 xa_format_depth(fdesc.xa_format) == depth) { 246 found = 1; 247 break; 248 } 249 } 250 251 if (!found) 252 fdesc.xa_format = xa_format_unknown; 253 254 return fdesc; 255 } 256 257 XA_EXPORT int 258 xa_format_check_supported(struct xa_tracker *xa, 259 enum xa_formats xa_format, unsigned int flags) 260 { 261 struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format); 262 unsigned int bind; 263 264 if (fdesc.xa_format == xa_format_unknown) 265 return -XA_ERR_INVAL; 266 267 bind = stype_bind[xa_format_type(fdesc.xa_format)]; 268 if (flags & XA_FLAG_SHARED) 269 bind |= PIPE_BIND_SHARED; 270 if (flags & XA_FLAG_RENDER_TARGET) 271 bind |= PIPE_BIND_RENDER_TARGET; 272 if (flags & XA_FLAG_SCANOUT) 273 bind |= PIPE_BIND_SCANOUT; 274 275 if (!xa->screen->is_format_supported(xa->screen, fdesc.format, 276 PIPE_TEXTURE_2D, 0, bind)) 277 return -XA_ERR_INVAL; 278 279 return XA_ERR_NONE; 280 } 281 282 XA_EXPORT struct xa_surface * 283 xa_surface_create(struct xa_tracker *xa, 284 int width, 285 int height, 286 int depth, 287 enum xa_surface_type stype, 288 enum xa_formats xa_format, unsigned int flags) 289 { 290 struct pipe_resource *template; 291 struct xa_surface *srf; 292 struct xa_format_descriptor fdesc; 293 294 if (xa_format == xa_format_unknown) 295 fdesc = xa_get_format_stype_depth(xa, stype, depth); 296 else 297 fdesc = xa_get_pipe_format(xa_format); 298 299 if (fdesc.xa_format == xa_format_unknown) 300 return NULL; 301 302 srf = calloc(1, sizeof(*srf)); 303 if (!srf) 304 return NULL; 305 306 template = &srf->template; 307 template->format = fdesc.format; 308 template->target = PIPE_TEXTURE_2D; 309 template->width0 = width; 310 template->height0 = height; 311 template->depth0 = 1; 312 template->array_size = 1; 313 template->last_level = 0; 314 template->bind = stype_bind[xa_format_type(fdesc.xa_format)]; 315 316 if (flags & XA_FLAG_SHARED) 317 template->bind |= PIPE_BIND_SHARED; 318 if (flags & XA_FLAG_RENDER_TARGET) 319 template->bind |= PIPE_BIND_RENDER_TARGET; 320 if (flags & XA_FLAG_SCANOUT) 321 template->bind |= PIPE_BIND_SCANOUT; 322 323 srf->tex = xa->screen->resource_create(xa->screen, template); 324 if (!srf->tex) 325 goto out_no_tex; 326 327 srf->xa = xa; 328 srf->flags = flags; 329 srf->fdesc = fdesc; 330 331 return srf; 332 out_no_tex: 333 free(srf); 334 return NULL; 335 } 336 337 XA_EXPORT int 338 xa_surface_redefine(struct xa_surface *srf, 339 int width, 340 int height, 341 int depth, 342 enum xa_surface_type stype, 343 enum xa_formats xa_format, 344 unsigned int new_flags, 345 int copy_contents) 346 { 347 struct pipe_resource *template = &srf->template; 348 struct pipe_resource *texture; 349 struct pipe_box src_box; 350 struct xa_tracker *xa = srf->xa; 351 int save_width; 352 int save_height; 353 unsigned int save_format; 354 struct xa_format_descriptor fdesc; 355 356 357 if (xa_format == xa_format_unknown) 358 fdesc = xa_get_format_stype_depth(xa, stype, depth); 359 else 360 fdesc = xa_get_pipe_format(xa_format); 361 362 if (width == template->width0 && height == template->height0 && 363 template->format == fdesc.format && 364 xa_flags_compat(srf->flags, new_flags)) 365 return XA_ERR_NONE; 366 367 template->bind = stype_bind[xa_format_type(fdesc.xa_format)]; 368 if (new_flags & XA_FLAG_SHARED) 369 template->bind |= PIPE_BIND_SHARED; 370 if (new_flags & XA_FLAG_RENDER_TARGET) 371 template->bind |= PIPE_BIND_RENDER_TARGET; 372 if (new_flags & XA_FLAG_SCANOUT) 373 template->bind |= PIPE_BIND_SCANOUT; 374 375 if (copy_contents) { 376 if (!xa_format_type_is_color(fdesc.xa_format) || 377 xa_format_type(fdesc.xa_format) == xa_type_a) 378 return -XA_ERR_INVAL; 379 380 if (!xa->screen->is_format_supported(xa->screen, fdesc.format, 381 PIPE_TEXTURE_2D, 0, 382 template->bind | 383 PIPE_BIND_RENDER_TARGET)) 384 return -XA_ERR_INVAL; 385 } 386 387 save_width = template->width0; 388 save_height = template->height0; 389 save_format = template->format; 390 391 template->width0 = width; 392 template->height0 = height; 393 template->format = fdesc.format; 394 395 texture = xa->screen->resource_create(xa->screen, template); 396 if (!texture) { 397 template->width0 = save_width; 398 template->height0 = save_height; 399 template->format = save_format; 400 return -XA_ERR_NORES; 401 } 402 403 if (copy_contents) { 404 struct pipe_context *pipe = xa->default_ctx->pipe; 405 406 u_box_origin_2d(xa_min(save_width, template->width0), 407 xa_min(save_height, template->height0), &src_box); 408 pipe->resource_copy_region(pipe, texture, 409 0, 0, 0, 0, srf->tex, 0, &src_box); 410 pipe->flush(pipe, &xa->default_ctx->last_fence); 411 } 412 413 pipe_resource_reference(&srf->tex, texture); 414 pipe_resource_reference(&texture, NULL); 415 srf->fdesc = fdesc; 416 srf->flags = new_flags; 417 418 return XA_ERR_NONE; 419 } 420 421 XA_EXPORT void 422 xa_surface_destroy(struct xa_surface *srf) 423 { 424 pipe_resource_reference(&srf->tex, NULL); 425 free(srf); 426 } 427 428 XA_EXPORT void 429 xa_tracker_version(int *major, int *minor, int *patch) 430 { 431 *major = XA_TRACKER_VERSION_MAJOR; 432 *minor = XA_TRACKER_VERSION_MINOR; 433 *patch = XA_TRACKER_VERSION_PATCH; 434 } 435 436 XA_EXPORT int 437 xa_surface_handle(struct xa_surface *srf, 438 uint32_t * handle, unsigned int *stride) 439 { 440 struct winsys_handle whandle; 441 442 struct pipe_screen *screen = srf->xa->screen; 443 boolean res; 444 445 memset(&whandle, 0, sizeof(whandle)); 446 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 447 res = screen->resource_get_handle(screen, srf->tex, &whandle); 448 if (!res) 449 return -XA_ERR_INVAL; 450 451 *handle = whandle.handle; 452 *stride = whandle.stride; 453 454 return XA_ERR_NONE; 455 } 456 457 XA_EXPORT enum xa_formats 458 xa_surface_format(const struct xa_surface *srf) 459 { 460 return srf->fdesc.xa_format; 461 } 462
