1 /************************************************************************** 2 3 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and 4 VA Linux Systems Inc., Fremont, California. 5 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. 6 7 The Weather Channel (TM) funded Tungsten Graphics to develop the 8 initial release of the Radeon 8500 driver under the XFree86 license. 9 This notice must be preserved. 10 11 All Rights Reserved. 12 13 Permission is hereby granted, free of charge, to any person obtaining 14 a copy of this software and associated documentation files (the 15 "Software"), to deal in the Software without restriction, including 16 without limitation the rights to use, copy, modify, merge, publish, 17 distribute, sublicense, and/or sell copies of the Software, and to 18 permit persons to whom the Software is furnished to do so, subject to 19 the following conditions: 20 21 The above copyright notice and this permission notice (including the 22 next paragraph) shall be included in all copies or substantial 23 portions of the Software. 24 25 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 28 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 29 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 30 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 31 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 32 33 **************************************************************************/ 34 35 #include "radeon_common.h" 36 #include "xmlpool.h" /* for symbolic values of enum-type options */ 37 #include "utils.h" 38 #include "drivers/common/meta.h" 39 #include "main/context.h" 40 #include "main/framebuffer.h" 41 #include "main/fbobject.h" 42 #include "main/renderbuffer.h" 43 #include "main/state.h" 44 #include "main/simple_list.h" 45 #include "swrast/swrast.h" 46 #include "swrast_setup/swrast_setup.h" 47 #include "tnl/tnl.h" 48 49 #ifndef RADEON_DEBUG 50 int RADEON_DEBUG = (0); 51 #endif 52 53 54 static const char* get_chip_family_name(int chip_family) 55 { 56 switch(chip_family) { 57 #if defined(RADEON_R100) 58 case CHIP_FAMILY_R100: return "R100"; 59 case CHIP_FAMILY_RV100: return "RV100"; 60 case CHIP_FAMILY_RS100: return "RS100"; 61 case CHIP_FAMILY_RV200: return "RV200"; 62 case CHIP_FAMILY_RS200: return "RS200"; 63 #elif defined(RADEON_R200) 64 case CHIP_FAMILY_R200: return "R200"; 65 case CHIP_FAMILY_RV250: return "RV250"; 66 case CHIP_FAMILY_RS300: return "RS300"; 67 case CHIP_FAMILY_RV280: return "RV280"; 68 #endif 69 default: return "unknown"; 70 } 71 } 72 73 74 /* Return various strings for glGetString(). 75 */ 76 static const GLubyte *radeonGetString(struct gl_context * ctx, GLenum name) 77 { 78 radeonContextPtr radeon = RADEON_CONTEXT(ctx); 79 static char buffer[128]; 80 81 switch (name) { 82 case GL_VENDOR: 83 return (GLubyte *) "Tungsten Graphics, Inc."; 84 85 case GL_RENDERER: 86 { 87 unsigned offset; 88 GLuint agp_mode = (radeon->radeonScreen->card_type==RADEON_CARD_PCI) ? 0 : 89 radeon->radeonScreen->AGPMode; 90 char hardwarename[32]; 91 92 sprintf(hardwarename, "%s (%s %04X)", 93 #if defined(RADEON_R100) 94 "R100", 95 #elif defined(RADEON_R200) 96 "R200", 97 #endif 98 get_chip_family_name(radeon->radeonScreen->chip_family), 99 radeon->radeonScreen->device_id); 100 101 offset = driGetRendererString(buffer, hardwarename, agp_mode); 102 103 sprintf(&buffer[offset], " %sTCL", 104 !(radeon->TclFallback & RADEON_TCL_FALLBACK_TCL_DISABLE) 105 ? "" : "NO-"); 106 107 strcat(buffer, " DRI2"); 108 109 return (GLubyte *) buffer; 110 } 111 112 default: 113 return NULL; 114 } 115 } 116 117 /* Initialize the driver's misc functions. 118 */ 119 static void radeonInitDriverFuncs(struct dd_function_table *functions) 120 { 121 functions->GetString = radeonGetString; 122 } 123 124 /** 125 * Create and initialize all common fields of the context, 126 * including the Mesa context itself. 127 */ 128 GLboolean radeonInitContext(radeonContextPtr radeon, 129 struct dd_function_table* functions, 130 const struct gl_config * glVisual, 131 __DRIcontext * driContextPriv, 132 void *sharedContextPrivate) 133 { 134 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 135 radeonScreenPtr screen = (radeonScreenPtr) (sPriv->driverPrivate); 136 struct gl_context* ctx; 137 struct gl_context* shareCtx; 138 int fthrottle_mode; 139 140 /* Fill in additional standard functions. */ 141 radeonInitDriverFuncs(functions); 142 143 radeon->radeonScreen = screen; 144 /* Allocate and initialize the Mesa context */ 145 if (sharedContextPrivate) 146 shareCtx = ((radeonContextPtr)sharedContextPrivate)->glCtx; 147 else 148 shareCtx = NULL; 149 radeon->glCtx = _mesa_create_context(API_OPENGL, glVisual, shareCtx, 150 functions, (void *)radeon); 151 if (!radeon->glCtx) 152 return GL_FALSE; 153 154 ctx = radeon->glCtx; 155 driContextPriv->driverPrivate = radeon; 156 157 _mesa_meta_init(ctx); 158 159 /* DRI fields */ 160 radeon->dri.context = driContextPriv; 161 radeon->dri.screen = sPriv; 162 radeon->dri.fd = sPriv->fd; 163 radeon->dri.drmMinor = sPriv->drm_version.minor; 164 165 /* Setup IRQs */ 166 fthrottle_mode = driQueryOptioni(&radeon->optionCache, "fthrottle_mode"); 167 radeon->iw.irq_seq = -1; 168 radeon->irqsEmitted = 0; 169 radeon->do_irqs = (fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS && 170 radeon->radeonScreen->irq); 171 172 radeon->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 173 174 if (!radeon->do_irqs) 175 fprintf(stderr, 176 "IRQ's not enabled, falling back to %s: %d %d\n", 177 radeon->do_usleeps ? "usleeps" : "busy waits", 178 fthrottle_mode, radeon->radeonScreen->irq); 179 180 radeon->texture_depth = driQueryOptioni (&radeon->optionCache, 181 "texture_depth"); 182 if (radeon->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB) 183 radeon->texture_depth = ( glVisual->rgbBits > 16 ) ? 184 DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16; 185 186 radeon->texture_row_align = 32; 187 radeon->texture_rect_row_align = 64; 188 radeon->texture_compressed_row_align = 32; 189 190 radeon_init_dma(radeon); 191 192 return GL_TRUE; 193 } 194 195 196 197 /** 198 * Destroy the command buffer and state atoms. 199 */ 200 static void radeon_destroy_atom_list(radeonContextPtr radeon) 201 { 202 struct radeon_state_atom *atom; 203 204 foreach(atom, &radeon->hw.atomlist) { 205 FREE(atom->cmd); 206 if (atom->lastcmd) 207 FREE(atom->lastcmd); 208 } 209 210 } 211 212 /** 213 * Cleanup common context fields. 214 * Called by r200DestroyContext 215 */ 216 void radeonDestroyContext(__DRIcontext *driContextPriv ) 217 { 218 #ifdef RADEON_BO_TRACK 219 FILE *track; 220 #endif 221 GET_CURRENT_CONTEXT(ctx); 222 radeonContextPtr radeon = (radeonContextPtr) driContextPriv->driverPrivate; 223 radeonContextPtr current = ctx ? RADEON_CONTEXT(ctx) : NULL; 224 225 assert(radeon); 226 227 _mesa_meta_free(radeon->glCtx); 228 229 if (radeon == current) { 230 _mesa_make_current(NULL, NULL, NULL); 231 } 232 233 radeon_firevertices(radeon); 234 if (!is_empty_list(&radeon->dma.reserved)) { 235 rcommonFlushCmdBuf( radeon, __FUNCTION__ ); 236 } 237 238 radeonFreeDmaRegions(radeon); 239 radeonReleaseArrays(radeon->glCtx, ~0); 240 if (radeon->vtbl.free_context) 241 radeon->vtbl.free_context(radeon->glCtx); 242 _swsetup_DestroyContext( radeon->glCtx ); 243 _tnl_DestroyContext( radeon->glCtx ); 244 _vbo_DestroyContext( radeon->glCtx ); 245 _swrast_DestroyContext( radeon->glCtx ); 246 247 /* free atom list */ 248 /* free the Mesa context */ 249 _mesa_destroy_context(radeon->glCtx); 250 251 /* _mesa_destroy_context() might result in calls to functions that 252 * depend on the DriverCtx, so don't set it to NULL before. 253 * 254 * radeon->glCtx->DriverCtx = NULL; 255 */ 256 /* free the option cache */ 257 driDestroyOptionCache(&radeon->optionCache); 258 259 rcommonDestroyCmdBuf(radeon); 260 261 radeon_destroy_atom_list(radeon); 262 263 #ifdef RADEON_BO_TRACK 264 track = fopen("/tmp/tracklog", "w"); 265 if (track) { 266 radeon_tracker_print(&radeon->radeonScreen->bom->tracker, track); 267 fclose(track); 268 } 269 #endif 270 FREE(radeon); 271 } 272 273 /* Force the context `c' to be unbound from its buffer. 274 */ 275 GLboolean radeonUnbindContext(__DRIcontext * driContextPriv) 276 { 277 radeonContextPtr radeon = (radeonContextPtr) driContextPriv->driverPrivate; 278 279 if (RADEON_DEBUG & RADEON_DRI) 280 fprintf(stderr, "%s ctx %p\n", __FUNCTION__, 281 radeon->glCtx); 282 283 /* Unset current context and dispath table */ 284 _mesa_make_current(NULL, NULL, NULL); 285 286 return GL_TRUE; 287 } 288 289 290 static unsigned 291 radeon_bits_per_pixel(const struct radeon_renderbuffer *rb) 292 { 293 return _mesa_get_format_bytes(rb->base.Base.Format) * 8; 294 } 295 296 /* 297 * Check if drawable has been invalidated by dri2InvalidateDrawable(). 298 * Update renderbuffers if so. This prevents a client from accessing 299 * a backbuffer that has a swap pending but not yet completed. 300 * 301 * See intel_prepare_render for equivalent code in intel driver. 302 * 303 */ 304 void radeon_prepare_render(radeonContextPtr radeon) 305 { 306 __DRIcontext *driContext = radeon->dri.context; 307 __DRIdrawable *drawable; 308 __DRIscreen *screen; 309 310 screen = driContext->driScreenPriv; 311 if (!screen->dri2.loader) 312 return; 313 314 drawable = driContext->driDrawablePriv; 315 if (drawable->dri2.stamp != driContext->dri2.draw_stamp) { 316 if (drawable->lastStamp != drawable->dri2.stamp) 317 radeon_update_renderbuffers(driContext, drawable, GL_FALSE); 318 319 /* Intel driver does the equivalent of this, no clue if it is needed:*/ 320 radeon_draw_buffer(radeon->glCtx, radeon->glCtx->DrawBuffer); 321 322 driContext->dri2.draw_stamp = drawable->dri2.stamp; 323 } 324 325 drawable = driContext->driReadablePriv; 326 if (drawable->dri2.stamp != driContext->dri2.read_stamp) { 327 if (drawable->lastStamp != drawable->dri2.stamp) 328 radeon_update_renderbuffers(driContext, drawable, GL_FALSE); 329 driContext->dri2.read_stamp = drawable->dri2.stamp; 330 } 331 332 /* If we're currently rendering to the front buffer, the rendering 333 * that will happen next will probably dirty the front buffer. So 334 * mark it as dirty here. 335 */ 336 if (radeon->is_front_buffer_rendering) 337 radeon->front_buffer_dirty = GL_TRUE; 338 } 339 340 void 341 radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable, 342 GLboolean front_only) 343 { 344 unsigned int attachments[10]; 345 __DRIbuffer *buffers = NULL; 346 __DRIscreen *screen; 347 struct radeon_renderbuffer *rb; 348 int i, count; 349 struct radeon_framebuffer *draw; 350 radeonContextPtr radeon; 351 char *regname; 352 struct radeon_bo *depth_bo = NULL, *bo; 353 354 if (RADEON_DEBUG & RADEON_DRI) 355 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 356 357 draw = drawable->driverPrivate; 358 screen = context->driScreenPriv; 359 radeon = (radeonContextPtr) context->driverPrivate; 360 361 /* Set this up front, so that in case our buffers get invalidated 362 * while we're getting new buffers, we don't clobber the stamp and 363 * thus ignore the invalidate. */ 364 drawable->lastStamp = drawable->dri2.stamp; 365 366 if (screen->dri2.loader 367 && (screen->dri2.loader->base.version > 2) 368 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 369 struct radeon_renderbuffer *depth_rb; 370 struct radeon_renderbuffer *stencil_rb; 371 372 i = 0; 373 if ((front_only || radeon->is_front_buffer_rendering || 374 radeon->is_front_buffer_reading || 375 !draw->color_rb[1]) 376 && draw->color_rb[0]) { 377 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 378 attachments[i++] = radeon_bits_per_pixel(draw->color_rb[0]); 379 } 380 381 if (!front_only) { 382 if (draw->color_rb[1]) { 383 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 384 attachments[i++] = radeon_bits_per_pixel(draw->color_rb[1]); 385 } 386 387 depth_rb = radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH); 388 stencil_rb = radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL); 389 390 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 391 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 392 attachments[i++] = radeon_bits_per_pixel(depth_rb); 393 } else if (depth_rb != NULL) { 394 attachments[i++] = __DRI_BUFFER_DEPTH; 395 attachments[i++] = radeon_bits_per_pixel(depth_rb); 396 } else if (stencil_rb != NULL) { 397 attachments[i++] = __DRI_BUFFER_STENCIL; 398 attachments[i++] = radeon_bits_per_pixel(stencil_rb); 399 } 400 } 401 402 buffers = (*screen->dri2.loader->getBuffersWithFormat)(drawable, 403 &drawable->w, 404 &drawable->h, 405 attachments, i / 2, 406 &count, 407 drawable->loaderPrivate); 408 } else if (screen->dri2.loader) { 409 i = 0; 410 if (draw->color_rb[0]) 411 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 412 if (!front_only) { 413 if (draw->color_rb[1]) 414 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 415 if (radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH)) 416 attachments[i++] = __DRI_BUFFER_DEPTH; 417 if (radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL)) 418 attachments[i++] = __DRI_BUFFER_STENCIL; 419 } 420 421 buffers = (*screen->dri2.loader->getBuffers)(drawable, 422 &drawable->w, 423 &drawable->h, 424 attachments, i, 425 &count, 426 drawable->loaderPrivate); 427 } 428 429 if (buffers == NULL) 430 return; 431 432 for (i = 0; i < count; i++) { 433 switch (buffers[i].attachment) { 434 case __DRI_BUFFER_FRONT_LEFT: 435 rb = draw->color_rb[0]; 436 regname = "dri2 front buffer"; 437 break; 438 case __DRI_BUFFER_FAKE_FRONT_LEFT: 439 rb = draw->color_rb[0]; 440 regname = "dri2 fake front buffer"; 441 break; 442 case __DRI_BUFFER_BACK_LEFT: 443 rb = draw->color_rb[1]; 444 regname = "dri2 back buffer"; 445 break; 446 case __DRI_BUFFER_DEPTH: 447 rb = radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH); 448 regname = "dri2 depth buffer"; 449 break; 450 case __DRI_BUFFER_DEPTH_STENCIL: 451 rb = radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH); 452 regname = "dri2 depth / stencil buffer"; 453 break; 454 case __DRI_BUFFER_STENCIL: 455 rb = radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL); 456 regname = "dri2 stencil buffer"; 457 break; 458 case __DRI_BUFFER_ACCUM: 459 default: 460 fprintf(stderr, 461 "unhandled buffer attach event, attacment type %d\n", 462 buffers[i].attachment); 463 return; 464 } 465 466 if (rb == NULL) 467 continue; 468 469 if (rb->bo) { 470 uint32_t name = radeon_gem_name_bo(rb->bo); 471 if (name == buffers[i].name) 472 continue; 473 } 474 475 if (RADEON_DEBUG & RADEON_DRI) 476 fprintf(stderr, 477 "attaching buffer %s, %d, at %d, cpp %d, pitch %d\n", 478 regname, buffers[i].name, buffers[i].attachment, 479 buffers[i].cpp, buffers[i].pitch); 480 481 rb->cpp = buffers[i].cpp; 482 rb->pitch = buffers[i].pitch; 483 rb->base.Base.Width = drawable->w; 484 rb->base.Base.Height = drawable->h; 485 rb->has_surface = 0; 486 487 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_bo) { 488 if (RADEON_DEBUG & RADEON_DRI) 489 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 490 bo = depth_bo; 491 radeon_bo_ref(bo); 492 } else { 493 uint32_t tiling_flags = 0, pitch = 0; 494 int ret; 495 496 bo = radeon_bo_open(radeon->radeonScreen->bom, 497 buffers[i].name, 498 0, 499 0, 500 RADEON_GEM_DOMAIN_VRAM, 501 buffers[i].flags); 502 503 if (bo == NULL) { 504 fprintf(stderr, "failed to attach %s %d\n", 505 regname, buffers[i].name); 506 continue; 507 } 508 509 ret = radeon_bo_get_tiling(bo, &tiling_flags, &pitch); 510 if (ret) { 511 fprintf(stderr, 512 "failed to get tiling for %s %d\n", 513 regname, buffers[i].name); 514 radeon_bo_unref(bo); 515 bo = NULL; 516 continue; 517 } else { 518 if (tiling_flags & RADEON_TILING_MACRO) 519 bo->flags |= RADEON_BO_FLAGS_MACRO_TILE; 520 if (tiling_flags & RADEON_TILING_MICRO) 521 bo->flags |= RADEON_BO_FLAGS_MICRO_TILE; 522 } 523 } 524 525 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) { 526 if (draw->base.Visual.depthBits == 16) 527 rb->cpp = 2; 528 depth_bo = bo; 529 } 530 531 radeon_renderbuffer_set_bo(rb, bo); 532 radeon_bo_unref(bo); 533 534 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 535 rb = radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL); 536 if (rb != NULL) { 537 struct radeon_bo *stencil_bo = NULL; 538 539 if (rb->bo) { 540 uint32_t name = radeon_gem_name_bo(rb->bo); 541 if (name == buffers[i].name) 542 continue; 543 } 544 545 stencil_bo = bo; 546 radeon_bo_ref(stencil_bo); 547 radeon_renderbuffer_set_bo(rb, stencil_bo); 548 radeon_bo_unref(stencil_bo); 549 } 550 } 551 } 552 553 driUpdateFramebufferSize(radeon->glCtx, drawable); 554 } 555 556 /* Force the context `c' to be the current context and associate with it 557 * buffer `b'. 558 */ 559 GLboolean radeonMakeCurrent(__DRIcontext * driContextPriv, 560 __DRIdrawable * driDrawPriv, 561 __DRIdrawable * driReadPriv) 562 { 563 radeonContextPtr radeon; 564 GET_CURRENT_CONTEXT(curCtx); 565 struct gl_framebuffer *drfb, *readfb; 566 567 if (driContextPriv) 568 radeon = (radeonContextPtr)driContextPriv->driverPrivate; 569 else 570 radeon = NULL; 571 /* According to the glXMakeCurrent() man page: "Pending commands to 572 * the previous context, if any, are flushed before it is released." 573 * But only flush if we're actually changing contexts. 574 */ 575 576 if ((radeonContextPtr)curCtx && (radeonContextPtr)curCtx != radeon) { 577 _mesa_flush(curCtx); 578 } 579 580 if (!driContextPriv) { 581 if (RADEON_DEBUG & RADEON_DRI) 582 fprintf(stderr, "%s ctx is null\n", __FUNCTION__); 583 _mesa_make_current(NULL, NULL, NULL); 584 return GL_TRUE; 585 } 586 587 if(driDrawPriv == NULL && driReadPriv == NULL) { 588 drfb = _mesa_create_framebuffer(&radeon->glCtx->Visual); 589 readfb = drfb; 590 } 591 else { 592 drfb = driDrawPriv->driverPrivate; 593 readfb = driReadPriv->driverPrivate; 594 } 595 596 if(driDrawPriv) 597 radeon_update_renderbuffers(driContextPriv, driDrawPriv, GL_FALSE); 598 if (driDrawPriv != driReadPriv) 599 radeon_update_renderbuffers(driContextPriv, driReadPriv, GL_FALSE); 600 _mesa_reference_renderbuffer(&radeon->state.color.rb, 601 &(radeon_get_renderbuffer(drfb, BUFFER_BACK_LEFT)->base.Base)); 602 _mesa_reference_renderbuffer(&radeon->state.depth.rb, 603 &(radeon_get_renderbuffer(drfb, BUFFER_DEPTH)->base.Base)); 604 605 if (RADEON_DEBUG & RADEON_DRI) 606 fprintf(stderr, "%s ctx %p dfb %p rfb %p\n", __FUNCTION__, radeon->glCtx, drfb, readfb); 607 608 if(driDrawPriv) 609 driUpdateFramebufferSize(radeon->glCtx, driDrawPriv); 610 if (driReadPriv != driDrawPriv) 611 driUpdateFramebufferSize(radeon->glCtx, driReadPriv); 612 613 _mesa_make_current(radeon->glCtx, drfb, readfb); 614 if (driDrawPriv == NULL && driReadPriv == NULL) 615 _mesa_reference_framebuffer(&drfb, NULL); 616 617 _mesa_update_state(radeon->glCtx); 618 619 if (radeon->glCtx->DrawBuffer == drfb) { 620 if(driDrawPriv != NULL) { 621 radeon_window_moved(radeon); 622 } 623 624 radeon_draw_buffer(radeon->glCtx, drfb); 625 } 626 627 628 if (RADEON_DEBUG & RADEON_DRI) 629 fprintf(stderr, "End %s\n", __FUNCTION__); 630 631 return GL_TRUE; 632 } 633 634
