dri2.c revision 4c7001462607e6e99e474d6271dd481d3f8f201c
1/* 2 * Mesa 3-D graphics library 3 * Version: 7.9 4 * 5 * Copyright 2009, VMware, Inc. 6 * All Rights Reserved. 7 * Copyright (C) 2010 LunarG Inc. 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be included 17 * in all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * Authors: 27 * Keith Whitwell <keithw@vmware.com> 28 * Jakob Bornecrantz <wallbraker@gmail.com> 29 * Chia-I Wu <olv@lunarg.com> 30 */ 31 32#include "util/u_memory.h" 33#include "util/u_inlines.h" 34#include "util/u_format.h" 35#include "util/u_debug.h" 36#include "state_tracker/drm_driver.h" 37 38#include "dri_screen.h" 39#include "dri_context.h" 40#include "dri_drawable.h" 41 42/** 43 * DRI2 flush extension. 44 */ 45static void 46dri2_flush_drawable(__DRIdrawable *draw) 47{ 48} 49 50static void 51dri2_invalidate_drawable(__DRIdrawable *dPriv) 52{ 53 struct dri_drawable *drawable = dri_drawable(dPriv); 54 struct dri_context *ctx = dri_context(dPriv->driContextPriv); 55 56 dri2InvalidateDrawable(dPriv); 57 drawable->dPriv->lastStamp = *drawable->dPriv->pStamp; 58 59 if (ctx) 60 ctx->st->notify_invalid_framebuffer(ctx->st, &drawable->base); 61} 62 63static const __DRI2flushExtension dri2FlushExtension = { 64 { __DRI2_FLUSH, __DRI2_FLUSH_VERSION }, 65 dri2_flush_drawable, 66 dri2_invalidate_drawable, 67}; 68 69/** 70 * Retrieve __DRIbuffer from the DRI loader. 71 */ 72static __DRIbuffer * 73dri2_drawable_get_buffers(struct dri_drawable *drawable, 74 const enum st_attachment_type *statts, 75 unsigned *count) 76{ 77 __DRIdrawable *dri_drawable = drawable->dPriv; 78 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 79 boolean with_format; 80 __DRIbuffer *buffers; 81 int num_buffers; 82 unsigned attachments[10]; 83 unsigned num_attachments, i; 84 85 assert(loader); 86 with_format = dri_with_format(drawable->sPriv); 87 88 num_attachments = 0; 89 90 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */ 91 if (!with_format) 92 attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT; 93 94 for (i = 0; i < *count; i++) { 95 enum pipe_format format; 96 unsigned bind; 97 int att, bpp; 98 99 dri_drawable_get_format(drawable, statts[i], &format, &bind); 100 if (format == PIPE_FORMAT_NONE) 101 continue; 102 103 switch (statts[i]) { 104 case ST_ATTACHMENT_FRONT_LEFT: 105 /* already added */ 106 if (!with_format) 107 continue; 108 att = __DRI_BUFFER_FRONT_LEFT; 109 break; 110 case ST_ATTACHMENT_BACK_LEFT: 111 att = __DRI_BUFFER_BACK_LEFT; 112 break; 113 case ST_ATTACHMENT_FRONT_RIGHT: 114 att = __DRI_BUFFER_FRONT_RIGHT; 115 break; 116 case ST_ATTACHMENT_BACK_RIGHT: 117 att = __DRI_BUFFER_BACK_RIGHT; 118 break; 119 case ST_ATTACHMENT_DEPTH_STENCIL: 120 att = __DRI_BUFFER_DEPTH_STENCIL; 121 break; 122 default: 123 att = -1; 124 break; 125 } 126 127 bpp = util_format_get_blocksizebits(format); 128 129 if (att >= 0) { 130 attachments[num_attachments++] = att; 131 if (with_format) { 132 attachments[num_attachments++] = bpp; 133 } 134 } 135 } 136 137 if (with_format) { 138 num_attachments /= 2; 139 buffers = loader->getBuffersWithFormat(dri_drawable, 140 &dri_drawable->w, &dri_drawable->h, 141 attachments, num_attachments, 142 &num_buffers, dri_drawable->loaderPrivate); 143 } 144 else { 145 buffers = loader->getBuffers(dri_drawable, 146 &dri_drawable->w, &dri_drawable->h, 147 attachments, num_attachments, 148 &num_buffers, dri_drawable->loaderPrivate); 149 } 150 151 if (buffers) { 152 /* set one cliprect to cover the whole dri_drawable */ 153 dri_drawable->x = 0; 154 dri_drawable->y = 0; 155 dri_drawable->backX = 0; 156 dri_drawable->backY = 0; 157 dri_drawable->numClipRects = 1; 158 dri_drawable->pClipRects[0].x1 = 0; 159 dri_drawable->pClipRects[0].y1 = 0; 160 dri_drawable->pClipRects[0].x2 = dri_drawable->w; 161 dri_drawable->pClipRects[0].y2 = dri_drawable->h; 162 dri_drawable->numBackClipRects = 1; 163 dri_drawable->pBackClipRects[0].x1 = 0; 164 dri_drawable->pBackClipRects[0].y1 = 0; 165 dri_drawable->pBackClipRects[0].x2 = dri_drawable->w; 166 dri_drawable->pBackClipRects[0].y2 = dri_drawable->h; 167 168 *count = num_buffers; 169 } 170 171 return buffers; 172} 173 174/** 175 * Process __DRIbuffer and convert them into pipe_resources. 176 */ 177static void 178dri2_drawable_process_buffers(struct dri_drawable *drawable, 179 __DRIbuffer *buffers, unsigned count) 180{ 181 struct dri_screen *screen = dri_screen(drawable->sPriv); 182 __DRIdrawable *dri_drawable = drawable->dPriv; 183 struct pipe_resource templ; 184 struct winsys_handle whandle; 185 boolean have_depth = FALSE; 186 unsigned i, bind; 187 188 if (drawable->old_num == count && 189 drawable->old_w == dri_drawable->w && 190 drawable->old_h == dri_drawable->h && 191 memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0) 192 return; 193 194 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) 195 pipe_resource_reference(&drawable->textures[i], NULL); 196 197 memset(&templ, 0, sizeof(templ)); 198 templ.target = screen->target; 199 templ.last_level = 0; 200 templ.width0 = dri_drawable->w; 201 templ.height0 = dri_drawable->h; 202 templ.depth0 = 1; 203 templ.array_size = 1; 204 205 memset(&whandle, 0, sizeof(whandle)); 206 207 for (i = 0; i < count; i++) { 208 __DRIbuffer *buf = &buffers[i]; 209 enum st_attachment_type statt; 210 enum pipe_format format; 211 212 switch (buf->attachment) { 213 case __DRI_BUFFER_FRONT_LEFT: 214 if (!screen->auto_fake_front) { 215 statt = ST_ATTACHMENT_INVALID; 216 break; 217 } 218 /* fallthrough */ 219 case __DRI_BUFFER_FAKE_FRONT_LEFT: 220 statt = ST_ATTACHMENT_FRONT_LEFT; 221 break; 222 case __DRI_BUFFER_BACK_LEFT: 223 statt = ST_ATTACHMENT_BACK_LEFT; 224 break; 225 case __DRI_BUFFER_DEPTH: 226 case __DRI_BUFFER_DEPTH_STENCIL: 227 case __DRI_BUFFER_STENCIL: 228 /* use only the first depth/stencil buffer */ 229 if (!have_depth) { 230 have_depth = TRUE; 231 statt = ST_ATTACHMENT_DEPTH_STENCIL; 232 } 233 else { 234 statt = ST_ATTACHMENT_INVALID; 235 } 236 break; 237 default: 238 statt = ST_ATTACHMENT_INVALID; 239 break; 240 } 241 242 dri_drawable_get_format(drawable, statt, &format, &bind); 243 if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE) 244 continue; 245 246 templ.format = format; 247 templ.bind = bind; 248 whandle.handle = buf->name; 249 whandle.stride = buf->pitch; 250 251 drawable->textures[statt] = 252 screen->base.screen->resource_from_handle(screen->base.screen, 253 &templ, &whandle); 254 } 255 256 drawable->old_num = count; 257 drawable->old_w = dri_drawable->w; 258 drawable->old_h = dri_drawable->h; 259 memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count); 260} 261 262/* 263 * Backend functions for st_framebuffer interface. 264 */ 265 266static void 267dri2_allocate_textures(struct dri_drawable *drawable, 268 const enum st_attachment_type *statts, 269 unsigned count) 270{ 271 __DRIbuffer *buffers; 272 unsigned num_buffers = count; 273 274 buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers); 275 if (buffers) 276 dri2_drawable_process_buffers(drawable, buffers, num_buffers); 277} 278 279static void 280dri2_flush_frontbuffer(struct dri_drawable *drawable, 281 enum st_attachment_type statt) 282{ 283 __DRIdrawable *dri_drawable = drawable->dPriv; 284 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 285 286 if (loader->flushFrontBuffer == NULL) 287 return; 288 289 if (statt == ST_ATTACHMENT_FRONT_LEFT) { 290 loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); 291 } 292} 293 294static __DRIimage * 295dri2_lookup_egl_image(struct dri_screen *screen, void *handle) 296{ 297 __DRIimageLookupExtension *loader = screen->sPriv->dri2.image; 298 __DRIimage *img; 299 300 if (!loader->lookupEGLImage) 301 return NULL; 302 303 img = loader->lookupEGLImage(screen->sPriv, 304 handle, screen->sPriv->loaderPrivate); 305 306 return img; 307} 308 309static __DRIimage * 310dri2_create_image_from_name(__DRIscreen *_screen, 311 int width, int height, int format, 312 int name, int pitch, void *loaderPrivate) 313{ 314 struct dri_screen *screen = dri_screen(_screen); 315 __DRIimage *img; 316 struct pipe_resource templ; 317 struct winsys_handle whandle; 318 unsigned tex_usage; 319 enum pipe_format pf; 320 321 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 322 323 switch (format) { 324 case __DRI_IMAGE_FORMAT_RGB565: 325 pf = PIPE_FORMAT_B5G6R5_UNORM; 326 break; 327 case __DRI_IMAGE_FORMAT_XRGB8888: 328 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 329 break; 330 case __DRI_IMAGE_FORMAT_ARGB8888: 331 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 332 break; 333 default: 334 pf = PIPE_FORMAT_NONE; 335 break; 336 } 337 if (pf == PIPE_FORMAT_NONE) 338 return NULL; 339 340 img = CALLOC_STRUCT(__DRIimageRec); 341 if (!img) 342 return NULL; 343 344 memset(&templ, 0, sizeof(templ)); 345 templ.bind = tex_usage; 346 templ.format = pf; 347 templ.target = screen->target; 348 templ.last_level = 0; 349 templ.width0 = width; 350 templ.height0 = height; 351 templ.depth0 = 1; 352 templ.array_size = 1; 353 354 memset(&whandle, 0, sizeof(whandle)); 355 whandle.handle = name; 356 whandle.stride = pitch * util_format_get_blocksize(pf); 357 358 img->texture = screen->base.screen->resource_from_handle(screen->base.screen, 359 &templ, &whandle); 360 if (!img->texture) { 361 FREE(img); 362 return NULL; 363 } 364 365 img->level = 0; 366 img->layer = 0; 367 img->loader_private = loaderPrivate; 368 369 return img; 370} 371 372static __DRIimage * 373dri2_create_image_from_renderbuffer(__DRIcontext *context, 374 int renderbuffer, void *loaderPrivate) 375{ 376 struct dri_context *ctx = dri_context(context->driverPrivate); 377 378 if (!ctx->st->get_resource_for_egl_image) 379 return NULL; 380 381 /* TODO */ 382 return NULL; 383} 384 385static __DRIimage * 386dri2_create_image(__DRIscreen *_screen, 387 int width, int height, int format, 388 unsigned int use, void *loaderPrivate) 389{ 390 struct dri_screen *screen = dri_screen(_screen); 391 __DRIimage *img; 392 struct pipe_resource templ; 393 unsigned tex_usage; 394 enum pipe_format pf; 395 396 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 397 398 switch (format) { 399 case __DRI_IMAGE_FORMAT_RGB565: 400 pf = PIPE_FORMAT_B5G6R5_UNORM; 401 break; 402 case __DRI_IMAGE_FORMAT_XRGB8888: 403 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 404 break; 405 case __DRI_IMAGE_FORMAT_ARGB8888: 406 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 407 break; 408 default: 409 pf = PIPE_FORMAT_NONE; 410 break; 411 } 412 if (pf == PIPE_FORMAT_NONE) 413 return NULL; 414 415 img = CALLOC_STRUCT(__DRIimageRec); 416 if (!img) 417 return NULL; 418 419 memset(&templ, 0, sizeof(templ)); 420 templ.bind = tex_usage; 421 templ.format = pf; 422 templ.target = PIPE_TEXTURE_2D; 423 templ.last_level = 0; 424 templ.width0 = width; 425 templ.height0 = height; 426 templ.depth0 = 1; 427 428 img->texture = screen->base.screen->resource_create(screen->base.screen, &templ); 429 if (!img->texture) { 430 FREE(img); 431 return NULL; 432 } 433 434 img->level = 0; 435 img->layer = 0; 436 437 img->loader_private = loaderPrivate; 438 return img; 439} 440 441static GLboolean 442dri2_query_image(__DRIimage *image, int attrib, int *value) 443{ 444 struct winsys_handle whandle; 445 memset(&whandle, 0, sizeof(whandle)); 446 447 switch (attrib) { 448 case __DRI_IMAGE_ATTRIB_STRIDE: 449 image->texture->screen->resource_get_handle(image->texture->screen, 450 image->texture, &whandle); 451 *value = whandle.stride; 452 return GL_TRUE; 453 case __DRI_IMAGE_ATTRIB_HANDLE: 454 whandle.type = DRM_API_HANDLE_TYPE_KMS; 455 image->texture->screen->resource_get_handle(image->texture->screen, 456 image->texture, &whandle); 457 *value = whandle.handle; 458 return GL_TRUE; 459 case __DRI_IMAGE_ATTRIB_NAME: 460 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 461 image->texture->screen->resource_get_handle(image->texture->screen, 462 image->texture, &whandle); 463 *value = whandle.handle; 464 return GL_TRUE; 465 default: 466 return GL_FALSE; 467 } 468} 469 470static void 471dri2_destroy_image(__DRIimage *img) 472{ 473 pipe_resource_reference(&img->texture, NULL); 474 FREE(img); 475} 476 477static struct __DRIimageExtensionRec dri2ImageExtension = { 478 { __DRI_IMAGE, __DRI_IMAGE_VERSION }, 479 dri2_create_image_from_name, 480 dri2_create_image_from_renderbuffer, 481 dri2_destroy_image, 482 dri2_create_image, 483 dri2_query_image, 484}; 485 486/* 487 * Backend function init_screen. 488 */ 489 490static const __DRIextension *dri_screen_extensions[] = { 491 &driReadDrawableExtension, 492 &driCopySubBufferExtension.base, 493 &driSwapControlExtension.base, 494 &driMediaStreamCounterExtension.base, 495 &driTexBufferExtension.base, 496 &dri2FlushExtension.base, 497 &dri2ImageExtension.base, 498 &dri2ConfigQueryExtension.base, 499 NULL 500}; 501 502/** 503 * This is the driver specific part of the createNewScreen entry point. 504 * 505 * Returns the struct gl_config supported by this driver. 506 */ 507static const __DRIconfig ** 508dri2_init_screen(__DRIscreen * sPriv) 509{ 510 const __DRIconfig **configs; 511 struct dri_screen *screen; 512 struct pipe_screen *pscreen; 513 514 screen = CALLOC_STRUCT(dri_screen); 515 if (!screen) 516 return NULL; 517 518 screen->sPriv = sPriv; 519 screen->fd = sPriv->fd; 520 521 sPriv->private = (void *)screen; 522 sPriv->extensions = dri_screen_extensions; 523 524 pscreen = driver_descriptor.create_screen(screen->fd); 525 /* dri_init_screen_helper checks pscreen for us */ 526 527 configs = dri_init_screen_helper(screen, pscreen, 32); 528 if (!configs) 529 goto fail; 530 531 sPriv->api_mask = 0; 532 if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK) 533 sPriv->api_mask |= 1 << __DRI_API_OPENGL; 534 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK) 535 sPriv->api_mask |= 1 << __DRI_API_GLES; 536 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK) 537 sPriv->api_mask |= 1 << __DRI_API_GLES2; 538 539 screen->auto_fake_front = dri_with_format(sPriv); 540 screen->broken_invalidate = !sPriv->dri2.useInvalidate; 541 screen->lookup_egl_image = dri2_lookup_egl_image; 542 543 return configs; 544fail: 545 dri_destroy_screen_helper(screen); 546 FREE(screen); 547 return NULL; 548} 549 550static boolean 551dri2_create_context(gl_api api, const struct gl_config * visual, 552 __DRIcontext * cPriv, void *sharedContextPrivate) 553{ 554 struct dri_context *ctx = NULL; 555 556 if (!dri_create_context(api, visual, cPriv, sharedContextPrivate)) 557 return FALSE; 558 559 ctx = cPriv->driverPrivate; 560 561 return TRUE; 562} 563 564static boolean 565dri2_create_buffer(__DRIscreen * sPriv, 566 __DRIdrawable * dPriv, 567 const struct gl_config * visual, boolean isPixmap) 568{ 569 struct dri_drawable *drawable = NULL; 570 571 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap)) 572 return FALSE; 573 574 drawable = dPriv->driverPrivate; 575 576 drawable->allocate_textures = dri2_allocate_textures; 577 drawable->flush_frontbuffer = dri2_flush_frontbuffer; 578 579 return TRUE; 580} 581 582/** 583 * DRI driver virtual function table. 584 * 585 * DRI versions differ in their implementation of init_screen and swap_buffers. 586 */ 587const struct __DriverAPIRec driDriverAPI = { 588 .InitScreen = NULL, 589 .InitScreen2 = dri2_init_screen, 590 .DestroyScreen = dri_destroy_screen, 591 .CreateContext = dri2_create_context, 592 .DestroyContext = dri_destroy_context, 593 .CreateBuffer = dri2_create_buffer, 594 .DestroyBuffer = dri_destroy_buffer, 595 .MakeCurrent = dri_make_current, 596 .UnbindContext = dri_unbind_context, 597 598 .GetSwapInfo = NULL, 599 .GetDrawableMSC = NULL, 600 .WaitForMSC = NULL, 601 602 .SwapBuffers = NULL, 603 .CopySubBuffer = NULL, 604}; 605 606/* This is the table of extensions that the loader will dlsym() for. */ 607PUBLIC const __DRIextension *__driDriverExtensions[] = { 608 &driCoreExtension.base, 609 &driLegacyExtension.base, 610 &driDRI2Extension.base, 611 NULL 612}; 613 614/* vim: set sw=3 ts=8 sts=3 expandtab: */ 615