intel_screen.c revision e82dd8c6e1fa2fff5b960de26961080ba5e9651d
1/************************************************************************** 2 * 3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "glheader.h" 29#include "context.h" 30#include "framebuffer.h" 31#include "matrix.h" 32#include "renderbuffer.h" 33#include "simple_list.h" 34#include "utils.h" 35#include "vblank.h" 36#include "xmlpool.h" 37 38 39#include "intel_screen.h" 40 41#include "intel_buffers.h" 42#include "intel_tex.h" 43#include "intel_span.h" 44#include "intel_ioctl.h" 45#include "intel_fbo.h" 46#include "intel_chipset.h" 47 48#include "i915_drm.h" 49#include "i830_dri.h" 50#include "intel_regions.h" 51#include "intel_batchbuffer.h" 52#include "intel_bufmgr_ttm.h" 53 54PUBLIC const char __driConfigOptions[] = 55 DRI_CONF_BEGIN 56 DRI_CONF_SECTION_PERFORMANCE 57 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) 58 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) 59 /* Options correspond to DRI_CONF_BO_REUSE_DISABLED, 60 * DRI_CONF_BO_REUSE_ALL 61 */ 62 DRI_CONF_OPT_BEGIN_V(bo_reuse, enum, 0, "0:1") 63 DRI_CONF_DESC_BEGIN(en, "Buffer object reuse") 64 DRI_CONF_ENUM(0, "Disable buffer object reuse") 65 DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects") 66 DRI_CONF_DESC_END 67 DRI_CONF_OPT_END 68 DRI_CONF_SECTION_END 69 DRI_CONF_SECTION_QUALITY 70 DRI_CONF_FORCE_S3TC_ENABLE(false) 71 DRI_CONF_ALLOW_LARGE_TEXTURES(1) 72 DRI_CONF_SECTION_END 73 DRI_CONF_SECTION_DEBUG 74 DRI_CONF_NO_RAST(false) 75 DRI_CONF_SECTION_END 76DRI_CONF_END; 77 78const GLuint __driNConfigOptions = 6; 79 80#ifdef USE_NEW_INTERFACE 81static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; 82#endif /*USE_NEW_INTERFACE */ 83 84/** 85 * Map all the memory regions described by the screen. 86 * \return GL_TRUE if success, GL_FALSE if error. 87 */ 88GLboolean 89intelMapScreenRegions(__DRIscreenPrivate * sPriv) 90{ 91 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 92 93 if (intelScreen->front.handle) { 94 if (drmMap(sPriv->fd, 95 intelScreen->front.handle, 96 intelScreen->front.size, 97 (drmAddress *) & intelScreen->front.map) != 0) { 98 _mesa_problem(NULL, "drmMap(frontbuffer) failed!"); 99 return GL_FALSE; 100 } 101 } 102 else { 103 _mesa_warning(NULL, "no front buffer handle in intelMapScreenRegions!"); 104 } 105 106 if (0) 107 _mesa_printf("Back 0x%08x ", intelScreen->back.handle); 108 if (drmMap(sPriv->fd, 109 intelScreen->back.handle, 110 intelScreen->back.size, 111 (drmAddress *) & intelScreen->back.map) != 0) { 112 intelUnmapScreenRegions(intelScreen); 113 return GL_FALSE; 114 } 115 116 if (intelScreen->third.handle) { 117 if (0) 118 _mesa_printf("Third 0x%08x ", intelScreen->third.handle); 119 if (drmMap(sPriv->fd, 120 intelScreen->third.handle, 121 intelScreen->third.size, 122 (drmAddress *) & intelScreen->third.map) != 0) { 123 intelUnmapScreenRegions(intelScreen); 124 return GL_FALSE; 125 } 126 } 127 128 if (0) 129 _mesa_printf("Depth 0x%08x ", intelScreen->depth.handle); 130 if (drmMap(sPriv->fd, 131 intelScreen->depth.handle, 132 intelScreen->depth.size, 133 (drmAddress *) & intelScreen->depth.map) != 0) { 134 intelUnmapScreenRegions(intelScreen); 135 return GL_FALSE; 136 } 137 138 if (0) 139 _mesa_printf("TEX 0x%08x ", intelScreen->tex.handle); 140 if (intelScreen->tex.size != 0) { 141 if (drmMap(sPriv->fd, 142 intelScreen->tex.handle, 143 intelScreen->tex.size, 144 (drmAddress *) & intelScreen->tex.map) != 0) { 145 intelUnmapScreenRegions(intelScreen); 146 return GL_FALSE; 147 } 148 } 149 150 if (0) 151 printf("Mappings: front: %p back: %p third: %p depth: %p tex: %p\n", 152 intelScreen->front.map, 153 intelScreen->back.map, intelScreen->third.map, 154 intelScreen->depth.map, intelScreen->tex.map); 155 return GL_TRUE; 156} 157 158void 159intelUnmapScreenRegions(intelScreenPrivate * intelScreen) 160{ 161#define REALLY_UNMAP 1 162 if (intelScreen->front.map) { 163#if REALLY_UNMAP 164 if (drmUnmap(intelScreen->front.map, intelScreen->front.size) != 0) 165 printf("drmUnmap front failed!\n"); 166#endif 167 intelScreen->front.map = NULL; 168 } 169 if (intelScreen->back.map) { 170#if REALLY_UNMAP 171 if (drmUnmap(intelScreen->back.map, intelScreen->back.size) != 0) 172 printf("drmUnmap back failed!\n"); 173#endif 174 intelScreen->back.map = NULL; 175 } 176 if (intelScreen->third.map) { 177#if REALLY_UNMAP 178 if (drmUnmap(intelScreen->third.map, intelScreen->third.size) != 0) 179 printf("drmUnmap third failed!\n"); 180#endif 181 intelScreen->third.map = NULL; 182 } 183 if (intelScreen->depth.map) { 184#if REALLY_UNMAP 185 drmUnmap(intelScreen->depth.map, intelScreen->depth.size); 186 intelScreen->depth.map = NULL; 187#endif 188 } 189 if (intelScreen->tex.map) { 190#if REALLY_UNMAP 191 drmUnmap(intelScreen->tex.map, intelScreen->tex.size); 192 intelScreen->tex.map = NULL; 193#endif 194 } 195} 196 197 198static void 199intelPrintDRIInfo(intelScreenPrivate * intelScreen, 200 __DRIscreenPrivate * sPriv, I830DRIPtr gDRIPriv) 201{ 202 fprintf(stderr, "*** Front size: 0x%x offset: 0x%x pitch: %d\n", 203 intelScreen->front.size, intelScreen->front.offset, 204 intelScreen->pitch); 205 fprintf(stderr, "*** Back size: 0x%x offset: 0x%x pitch: %d\n", 206 intelScreen->back.size, intelScreen->back.offset, 207 intelScreen->pitch); 208 fprintf(stderr, "*** Depth size: 0x%x offset: 0x%x pitch: %d\n", 209 intelScreen->depth.size, intelScreen->depth.offset, 210 intelScreen->pitch); 211 fprintf(stderr, "*** Texture size: 0x%x offset: 0x%x\n", 212 intelScreen->tex.size, intelScreen->tex.offset); 213 fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem); 214} 215 216 217static void 218intelPrintSAREA(const struct drm_i915_sarea * sarea) 219{ 220 fprintf(stderr, "SAREA: sarea width %d height %d\n", sarea->width, 221 sarea->height); 222 fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch); 223 fprintf(stderr, 224 "SAREA: front offset: 0x%08x size: 0x%x handle: 0x%x\n", 225 sarea->front_offset, sarea->front_size, 226 (unsigned) sarea->front_handle); 227 fprintf(stderr, 228 "SAREA: back offset: 0x%08x size: 0x%x handle: 0x%x\n", 229 sarea->back_offset, sarea->back_size, 230 (unsigned) sarea->back_handle); 231 fprintf(stderr, "SAREA: depth offset: 0x%08x size: 0x%x handle: 0x%x\n", 232 sarea->depth_offset, sarea->depth_size, 233 (unsigned) sarea->depth_handle); 234 fprintf(stderr, "SAREA: tex offset: 0x%08x size: 0x%x handle: 0x%x\n", 235 sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle); 236} 237 238 239/** 240 * A number of the screen parameters are obtained/computed from 241 * information in the SAREA. This function updates those parameters. 242 */ 243void 244intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen, 245 struct drm_i915_sarea * sarea) 246{ 247 intelScreen->width = sarea->width; 248 intelScreen->height = sarea->height; 249 intelScreen->pitch = sarea->pitch; 250 251 intelScreen->front.offset = sarea->front_offset; 252 intelScreen->front.handle = sarea->front_handle; 253 intelScreen->front.size = sarea->front_size; 254 intelScreen->front.tiled = sarea->front_tiled; 255 256 intelScreen->back.offset = sarea->back_offset; 257 intelScreen->back.handle = sarea->back_handle; 258 intelScreen->back.size = sarea->back_size; 259 intelScreen->back.tiled = sarea->back_tiled; 260 261 if (intelScreen->driScrnPriv->ddx_version.minor >= 8) { 262 intelScreen->third.offset = sarea->third_offset; 263 intelScreen->third.handle = sarea->third_handle; 264 intelScreen->third.size = sarea->third_size; 265 intelScreen->third.tiled = sarea->third_tiled; 266 } 267 268 intelScreen->depth.offset = sarea->depth_offset; 269 intelScreen->depth.handle = sarea->depth_handle; 270 intelScreen->depth.size = sarea->depth_size; 271 intelScreen->depth.tiled = sarea->depth_tiled; 272 273 if (intelScreen->driScrnPriv->ddx_version.minor >= 9) { 274 intelScreen->front.bo_handle = sarea->front_bo_handle; 275 intelScreen->back.bo_handle = sarea->back_bo_handle; 276 intelScreen->third.bo_handle = sarea->third_bo_handle; 277 intelScreen->depth.bo_handle = sarea->depth_bo_handle; 278 } else { 279 intelScreen->front.bo_handle = -1; 280 intelScreen->back.bo_handle = -1; 281 intelScreen->third.bo_handle = -1; 282 intelScreen->depth.bo_handle = -1; 283 } 284 285 intelScreen->tex.offset = sarea->tex_offset; 286 intelScreen->logTextureGranularity = sarea->log_tex_granularity; 287 intelScreen->tex.handle = sarea->tex_handle; 288 intelScreen->tex.size = sarea->tex_size; 289 290 if (0) 291 intelPrintSAREA(sarea); 292} 293 294static void 295intelHandleDrawableConfig(__DRIdrawablePrivate *dPriv, 296 __DRIcontextPrivate *pcp, 297 __DRIDrawableConfigEvent *event) 298{ 299 struct intel_framebuffer *intel_fb = dPriv->driverPrivate; 300 struct intel_region *region = NULL; 301 struct intel_renderbuffer *rb, *depth_rb, *stencil_rb; 302 struct intel_context *intel = pcp->driverPrivate; 303 int cpp, pitch; 304 305 cpp = intel->ctx.Visual.rgbBits / 8; 306 pitch = ((cpp * dPriv->w + 63) & ~63) / cpp; 307 308 rb = intel_fb->color_rb[1]; 309 if (rb) { 310 region = intel_region_alloc(intel, cpp, pitch, dPriv->h); 311 intel_renderbuffer_set_region(rb, region); 312 } 313 314 rb = intel_fb->color_rb[2]; 315 if (rb) { 316 region = intel_region_alloc(intel, cpp, pitch, dPriv->h); 317 intel_renderbuffer_set_region(rb, region); 318 } 319 320 depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 321 stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 322 if (depth_rb || stencil_rb) 323 region = intel_region_alloc(intel, cpp, pitch, dPriv->h); 324 if (depth_rb) 325 intel_renderbuffer_set_region(depth_rb, region); 326 if (stencil_rb) 327 intel_renderbuffer_set_region(stencil_rb, region); 328 329 /* FIXME: Tell the X server about the regions we just allocated and 330 * attached. */ 331} 332 333#define BUFFER_FLAG_TILED 0x0100 334 335static void 336intelHandleBufferAttach(__DRIdrawablePrivate *dPriv, 337 __DRIcontextPrivate *pcp, 338 __DRIBufferAttachEvent *ba) 339{ 340 struct intel_framebuffer *intel_fb = dPriv->driverPrivate; 341 struct intel_renderbuffer *rb; 342 struct intel_region *region; 343 struct intel_context *intel = pcp->driverPrivate; 344 GLuint tiled; 345 346 switch (ba->buffer.attachment) { 347 case DRI_DRAWABLE_BUFFER_FRONT_LEFT: 348 rb = intel_fb->color_rb[0]; 349 break; 350 351 case DRI_DRAWABLE_BUFFER_BACK_LEFT: 352 rb = intel_fb->color_rb[0]; 353 break; 354 355 case DRI_DRAWABLE_BUFFER_DEPTH: 356 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 357 break; 358 359 case DRI_DRAWABLE_BUFFER_STENCIL: 360 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 361 break; 362 363 case DRI_DRAWABLE_BUFFER_ACCUM: 364 default: 365 fprintf(stderr, "unhandled buffer attach event, attacment type %d\n", 366 ba->buffer.attachment); 367 return; 368 } 369 370#if 0 371 /* FIXME: Add this so we can filter out when the X server sends us 372 * attachment events for the buffers we just allocated. Need to 373 * get the BO handle for a render buffer. */ 374 if (intel_renderbuffer_get_region_handle(rb) == ba->buffer.handle) 375 return; 376#endif 377 378 tiled = (ba->buffer.flags & BUFFER_FLAG_TILED) > 0; 379 region = intel_region_alloc_for_handle(intel, ba->buffer.cpp, 380 ba->buffer.pitch / ba->buffer.cpp, 381 dPriv->h, tiled, 382 ba->buffer.handle); 383 384 intel_renderbuffer_set_region(rb, region); 385} 386 387static const __DRItexOffsetExtension intelTexOffsetExtension = { 388 { __DRI_TEX_OFFSET }, 389 intelSetTexOffset, 390}; 391 392static const __DRItexBufferExtension intelTexBufferExtension = { 393 { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, 394 intelSetTexBuffer, 395}; 396 397static const __DRIextension *intelScreenExtensions[] = { 398 &driReadDrawableExtension, 399 &driCopySubBufferExtension.base, 400 &driSwapControlExtension.base, 401 &driFrameTrackingExtension.base, 402 &driMediaStreamCounterExtension.base, 403 &intelTexOffsetExtension.base, 404 &intelTexBufferExtension.base, 405 NULL 406}; 407 408static GLboolean 409intel_get_param(__DRIscreenPrivate *psp, int param, int *value) 410{ 411 int ret; 412 struct drm_i915_getparam gp; 413 414 gp.param = param; 415 gp.value = value; 416 417 ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); 418 if (ret) { 419 fprintf(stderr, "drm_i915_getparam: %d\n", ret); 420 return GL_FALSE; 421 } 422 423 return GL_TRUE; 424} 425 426static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv) 427{ 428 intelScreenPrivate *intelScreen; 429 I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; 430 struct drm_i915_sarea *sarea; 431 432 if (sPriv->devPrivSize != sizeof(I830DRIRec)) { 433 fprintf(stderr, 434 "\nERROR! sizeof(I830DRIRec) does not match passed size from device driver\n"); 435 return GL_FALSE; 436 } 437 438 /* Allocate the private area */ 439 intelScreen = (intelScreenPrivate *) CALLOC(sizeof(intelScreenPrivate)); 440 if (!intelScreen) { 441 fprintf(stderr, "\nERROR! Allocating private area failed\n"); 442 return GL_FALSE; 443 } 444 /* parse information in __driConfigOptions */ 445 driParseOptionInfo(&intelScreen->optionCache, 446 __driConfigOptions, __driNConfigOptions); 447 448 intelScreen->driScrnPriv = sPriv; 449 sPriv->private = (void *) intelScreen; 450 intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; 451 sarea = (struct drm_i915_sarea *) 452 (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); 453 454 intelScreen->deviceID = gDRIPriv->deviceID; 455 456 intelUpdateScreenFromSAREA(intelScreen, sarea); 457 458 if (!intelMapScreenRegions(sPriv)) { 459 fprintf(stderr, "\nERROR! mapping regions\n"); 460 _mesa_free(intelScreen); 461 sPriv->private = NULL; 462 return GL_FALSE; 463 } 464 465 intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; 466 467 if (0) 468 intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); 469 470 intelScreen->drmMinor = sPriv->drm_version.minor; 471 472 /* Determine if IRQs are active? */ 473 if (!intel_get_param(sPriv, I915_PARAM_IRQ_ACTIVE, 474 &intelScreen->irq_active)) 475 return GL_FALSE; 476 477 /* Determine if batchbuffers are allowed */ 478 if (!intel_get_param(sPriv, I915_PARAM_ALLOW_BATCHBUFFER, 479 &intelScreen->allow_batchbuffer)) 480 return GL_FALSE; 481 482 sPriv->extensions = intelScreenExtensions; 483 484 return GL_TRUE; 485} 486 487 488static void 489intelDestroyScreen(__DRIscreenPrivate * sPriv) 490{ 491 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 492 493 intelUnmapScreenRegions(intelScreen); 494 495 FREE(intelScreen); 496 sPriv->private = NULL; 497} 498 499 500/** 501 * This is called when we need to set up GL rendering to a new X window. 502 */ 503static GLboolean 504intelCreateBuffer(__DRIscreenPrivate * driScrnPriv, 505 __DRIdrawablePrivate * driDrawPriv, 506 const __GLcontextModes * mesaVis, GLboolean isPixmap) 507{ 508 intelScreenPrivate *screen = (intelScreenPrivate *) driScrnPriv->private; 509 510 if (isPixmap) { 511 return GL_FALSE; /* not implemented */ 512 } 513 else { 514 GLboolean swStencil = (mesaVis->stencilBits > 0 && 515 mesaVis->depthBits != 24); 516 GLenum rgbFormat = (mesaVis->redBits == 5 ? GL_RGB5 : GL_RGBA8); 517 518 struct intel_framebuffer *intel_fb = CALLOC_STRUCT(intel_framebuffer); 519 520 if (!intel_fb) 521 return GL_FALSE; 522 523 _mesa_initialize_framebuffer(&intel_fb->Base, mesaVis); 524 525 /* setup the hardware-based renderbuffers */ 526 { 527 intel_fb->color_rb[0] = intel_create_renderbuffer(rgbFormat); 528 _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT, 529 &intel_fb->color_rb[0]->Base); 530 } 531 532 if (mesaVis->doubleBufferMode) { 533 intel_fb->color_rb[1] = intel_create_renderbuffer(rgbFormat); 534 _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT, 535 &intel_fb->color_rb[1]->Base); 536 537 if (screen->third.handle) { 538 struct gl_renderbuffer *tmp_rb = NULL; 539 540 intel_fb->color_rb[2] = intel_create_renderbuffer(rgbFormat); 541 _mesa_reference_renderbuffer(&tmp_rb, &intel_fb->color_rb[2]->Base); 542 } 543 } 544 545 if (mesaVis->depthBits == 24) { 546 if (mesaVis->stencilBits == 8) { 547 /* combined depth/stencil buffer */ 548 struct intel_renderbuffer *depthStencilRb 549 = intel_create_renderbuffer(GL_DEPTH24_STENCIL8_EXT); 550 /* note: bind RB to two attachment points */ 551 _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, 552 &depthStencilRb->Base); 553 _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_STENCIL, 554 &depthStencilRb->Base); 555 } else { 556 struct intel_renderbuffer *depthRb 557 = intel_create_renderbuffer(GL_DEPTH_COMPONENT24); 558 _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, 559 &depthRb->Base); 560 } 561 } 562 else if (mesaVis->depthBits == 16) { 563 /* just 16-bit depth buffer, no hw stencil */ 564 struct intel_renderbuffer *depthRb 565 = intel_create_renderbuffer(GL_DEPTH_COMPONENT16); 566 _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, &depthRb->Base); 567 } 568 569 /* now add any/all software-based renderbuffers we may need */ 570 _mesa_add_soft_renderbuffers(&intel_fb->Base, 571 GL_FALSE, /* never sw color */ 572 GL_FALSE, /* never sw depth */ 573 swStencil, mesaVis->accumRedBits > 0, 574 GL_FALSE, /* never sw alpha */ 575 GL_FALSE /* never sw aux */ ); 576 driDrawPriv->driverPrivate = (void *) intel_fb; 577 578 return GL_TRUE; 579 } 580} 581 582static void 583intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv) 584{ 585 _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); 586} 587 588 589/** 590 * Get information about previous buffer swaps. 591 */ 592static int 593intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo) 594{ 595 struct intel_framebuffer *intel_fb; 596 597 if ((dPriv == NULL) || (dPriv->driverPrivate == NULL) 598 || (sInfo == NULL)) { 599 return -1; 600 } 601 602 intel_fb = dPriv->driverPrivate; 603 sInfo->swap_count = intel_fb->swap_count; 604 sInfo->swap_ust = intel_fb->swap_ust; 605 sInfo->swap_missed_count = intel_fb->swap_missed_count; 606 607 sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) 608 ? driCalculateSwapUsage(dPriv, 0, intel_fb->swap_missed_ust) 609 : 0.0; 610 611 return 0; 612} 613 614 615/* There are probably better ways to do this, such as an 616 * init-designated function to register chipids and createcontext 617 * functions. 618 */ 619extern GLboolean i830CreateContext(const __GLcontextModes * mesaVis, 620 __DRIcontextPrivate * driContextPriv, 621 void *sharedContextPrivate); 622 623extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis, 624 __DRIcontextPrivate * driContextPriv, 625 void *sharedContextPrivate); 626extern GLboolean brwCreateContext(const __GLcontextModes * mesaVis, 627 __DRIcontextPrivate * driContextPriv, 628 void *sharedContextPrivate); 629 630static GLboolean 631intelCreateContext(const __GLcontextModes * mesaVis, 632 __DRIcontextPrivate * driContextPriv, 633 void *sharedContextPrivate) 634{ 635 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 636 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 637 638#ifdef I915 639 if (IS_9XX(intelScreen->deviceID)) { 640 if (!IS_965(intelScreen->deviceID)) { 641 return i915CreateContext(mesaVis, driContextPriv, 642 sharedContextPrivate); 643 } 644 } else { 645 return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate); 646 } 647#else 648 if (IS_965(intelScreen->deviceID)) 649 return brwCreateContext(mesaVis, driContextPriv, sharedContextPrivate); 650#endif 651 fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID); 652 return GL_FALSE; 653} 654 655 656static __DRIconfig ** 657intelFillInModes(__DRIscreenPrivate *psp, 658 unsigned pixel_bits, unsigned depth_bits, 659 unsigned stencil_bits, GLboolean have_back_buffer) 660{ 661 __DRIconfig **configs; 662 __GLcontextModes *m; 663 unsigned depth_buffer_factor; 664 unsigned back_buffer_factor; 665 GLenum fb_format; 666 GLenum fb_type; 667 int i; 668 669 /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't 670 * support pageflipping at all. 671 */ 672 static const GLenum back_buffer_modes[] = { 673 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML 674 }; 675 676 u_int8_t depth_bits_array[3]; 677 u_int8_t stencil_bits_array[3]; 678 679 depth_bits_array[0] = 0; 680 depth_bits_array[1] = depth_bits; 681 depth_bits_array[2] = depth_bits; 682 683 /* Just like with the accumulation buffer, always provide some modes 684 * with a stencil buffer. It will be a sw fallback, but some apps won't 685 * care about that. 686 */ 687 stencil_bits_array[0] = 0; 688 stencil_bits_array[1] = 0; 689 if (depth_bits == 24) 690 stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; 691 692 stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits; 693 694 depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1; 695 back_buffer_factor = (have_back_buffer) ? 3 : 1; 696 697 if (pixel_bits == 16) { 698 fb_format = GL_RGB; 699 fb_type = GL_UNSIGNED_SHORT_5_6_5; 700 } 701 else { 702 fb_format = GL_BGRA; 703 fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; 704 } 705 706 configs = driCreateConfigs(fb_format, fb_type, 707 depth_bits_array, stencil_bits_array, 708 depth_buffer_factor, back_buffer_modes, 709 back_buffer_factor); 710 if (configs == NULL) { 711 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, 712 __LINE__); 713 return NULL; 714 } 715 716 /* Mark the visual as slow if there are "fake" stencil bits. 717 */ 718 for (i = 0; configs[i]; i++) { 719 m = &configs[i]->modes; 720 if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) { 721 m->visualRating = GLX_SLOW_CONFIG; 722 } 723 } 724 725 return configs; 726} 727 728 729/** 730 * This is the driver specific part of the createNewScreen entry point. 731 * 732 * \todo maybe fold this into intelInitDriver 733 * 734 * \return the __GLcontextModes supported by this driver 735 */ 736static const __DRIconfig **intelInitScreen(__DRIscreenPrivate *psp) 737{ 738#ifdef I915 739 static const __DRIversion ddx_expected = { 1, 5, 0 }; 740#else 741 static const __DRIversion ddx_expected = { 1, 6, 0 }; 742#endif 743 static const __DRIversion dri_expected = { 4, 0, 0 }; 744 static const __DRIversion drm_expected = { 1, 5, 0 }; 745 I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; 746 747 if (!driCheckDriDdxDrmVersions2("i915", 748 &psp->dri_version, &dri_expected, 749 &psp->ddx_version, &ddx_expected, 750 &psp->drm_version, &drm_expected)) { 751 return NULL; 752 } 753 754 /* Calling driInitExtensions here, with a NULL context pointer, 755 * does not actually enable the extensions. It just makes sure 756 * that all the dispatch offsets for all the extensions that 757 * *might* be enables are known. This is needed because the 758 * dispatch offsets need to be known when _mesa_context_create is 759 * called, but we can't enable the extensions until we have a 760 * context pointer. 761 * 762 * Hello chicken. Hello egg. How are you two today? 763 */ 764 intelInitExtensions(NULL, GL_TRUE); 765 766 if (!intelInitDriver(psp)) 767 return NULL; 768 769 psp->extensions = intelScreenExtensions; 770 771 return (const __DRIconfig **) 772 intelFillInModes(psp, dri_priv->cpp * 8, 773 (dri_priv->cpp == 2) ? 16 : 24, 774 (dri_priv->cpp == 2) ? 0 : 8, 1); 775} 776 777struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen) 778{ 779 /* 780 * This should probably change to have the screen allocate a dummy 781 * context at screen creation. For now just use the current context. 782 */ 783 784 GET_CURRENT_CONTEXT(ctx); 785 if (ctx == NULL) { 786 _mesa_problem(NULL, "No current context in intelScreenContext\n"); 787 return NULL; 788 } 789 return intel_context(ctx); 790} 791 792/** 793 * This is the driver specific part of the createNewScreen entry point. 794 * 795 * \return the __GLcontextModes supported by this driver 796 */ 797static const 798__DRIconfig **intelInitScreen2(__DRIscreenPrivate *psp) 799{ 800 intelScreenPrivate *intelScreen; 801 802 /* Calling driInitExtensions here, with a NULL context pointer, 803 * does not actually enable the extensions. It just makes sure 804 * that all the dispatch offsets for all the extensions that 805 * *might* be enables are known. This is needed because the 806 * dispatch offsets need to be known when _mesa_context_create is 807 * called, but we can't enable the extensions until we have a 808 * context pointer. 809 * 810 * Hello chicken. Hello egg. How are you two today? 811 */ 812 intelInitExtensions(NULL, GL_TRUE); 813 814 /* Allocate the private area */ 815 intelScreen = (intelScreenPrivate *) CALLOC(sizeof(intelScreenPrivate)); 816 if (!intelScreen) { 817 fprintf(stderr, "\nERROR! Allocating private area failed\n"); 818 return GL_FALSE; 819 } 820 /* parse information in __driConfigOptions */ 821 driParseOptionInfo(&intelScreen->optionCache, 822 __driConfigOptions, __driNConfigOptions); 823 824 intelScreen->driScrnPriv = psp; 825 psp->private = (void *) intelScreen; 826 827 intelScreen->drmMinor = psp->drm_version.minor; 828 829 /* Determine chipset ID? */ 830 if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID, 831 &intelScreen->deviceID)) 832 return GL_FALSE; 833 834 /* Determine if IRQs are active? */ 835 if (!intel_get_param(psp, I915_PARAM_IRQ_ACTIVE, 836 &intelScreen->irq_active)) 837 return GL_FALSE; 838 839 /* Determine if batchbuffers are allowed */ 840 if (!intel_get_param(psp, I915_PARAM_ALLOW_BATCHBUFFER, 841 &intelScreen->allow_batchbuffer)) 842 return GL_FALSE; 843 844 if (!intelScreen->allow_batchbuffer) { 845 fprintf(stderr, "batch buffer not allowed\n"); 846 return GL_FALSE; 847 } 848 849 psp->extensions = intelScreenExtensions; 850 851 return driConcatConfigs(intelFillInModes(psp, 16, 16, 0, 1), 852 intelFillInModes(psp, 32, 24, 8, 1)); 853} 854 855const struct __DriverAPIRec driDriverAPI = { 856 .InitScreen = intelInitScreen, 857 .DestroyScreen = intelDestroyScreen, 858 .CreateContext = intelCreateContext, 859 .DestroyContext = intelDestroyContext, 860 .CreateBuffer = intelCreateBuffer, 861 .DestroyBuffer = intelDestroyBuffer, 862 .SwapBuffers = intelSwapBuffers, 863 .MakeCurrent = intelMakeCurrent, 864 .UnbindContext = intelUnbindContext, 865 .GetSwapInfo = intelGetSwapInfo, 866 .GetDrawableMSC = driDrawableGetMSC32, 867 .WaitForMSC = driWaitForMSC32, 868 .CopySubBuffer = intelCopySubBuffer, 869 870 .InitScreen2 = intelInitScreen2, 871 .HandleDrawableConfig = intelHandleDrawableConfig, 872 .HandleBufferAttach = intelHandleBufferAttach, 873}; 874