intel_context.c revision 2adef553f2549e30b4a1894e7f9077ac339ea61c
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 29#include "main/glheader.h" 30#include "main/context.h" 31#include "main/matrix.h" 32#include "main/simple_list.h" 33#include "main/extensions.h" 34#include "main/framebuffer.h" 35#include "main/imports.h" 36#include "main/points.h" 37 38#include "swrast/swrast.h" 39#include "swrast_setup/swrast_setup.h" 40#include "tnl/tnl.h" 41 42#include "tnl/t_pipeline.h" 43#include "tnl/t_vertex.h" 44 45#include "drivers/common/driverfuncs.h" 46 47#include "intel_screen.h" 48 49#include "i830_dri.h" 50 51#include "intel_chipset.h" 52#include "intel_buffers.h" 53#include "intel_tex.h" 54#include "intel_batchbuffer.h" 55#include "intel_blit.h" 56#include "intel_pixel.h" 57#include "intel_regions.h" 58#include "intel_buffer_objects.h" 59#include "intel_fbo.h" 60#include "intel_decode.h" 61#include "intel_bufmgr.h" 62 63#include "drirenderbuffer.h" 64#include "vblank.h" 65#include "utils.h" 66#include "xmlpool.h" /* for symbolic values of enum-type options */ 67#ifndef INTEL_DEBUG 68int INTEL_DEBUG = (0); 69#endif 70 71#define need_GL_ARB_multisample 72#define need_GL_ARB_occlusion_query 73#define need_GL_ARB_point_parameters 74#define need_GL_ARB_shader_objects 75#define need_GL_ARB_texture_compression 76#define need_GL_ARB_vertex_buffer_object 77#define need_GL_ARB_vertex_program 78#define need_GL_ARB_vertex_shader 79#define need_GL_ARB_window_pos 80#define need_GL_EXT_blend_color 81#define need_GL_EXT_blend_equation_separate 82#define need_GL_EXT_blend_func_separate 83#define need_GL_EXT_blend_minmax 84#define need_GL_EXT_cull_vertex 85#define need_GL_EXT_fog_coord 86#define need_GL_EXT_framebuffer_object 87#define need_GL_EXT_multi_draw_arrays 88#define need_GL_EXT_point_parameters 89#define need_GL_EXT_secondary_color 90#define need_GL_ATI_separate_stencil 91#define need_GL_NV_point_sprite 92#define need_GL_NV_vertex_program 93#define need_GL_VERSION_2_0 94#define need_GL_VERSION_2_1 95 96#include "extension_helper.h" 97 98#define DRIVER_DATE "20080716" 99#define DRIVER_DATE_GEM "GEM " DRIVER_DATE 100 101static const GLubyte * 102intelGetString(GLcontext * ctx, GLenum name) 103{ 104 const struct intel_context *const intel = intel_context(ctx); 105 const char *chipset; 106 static char buffer[128]; 107 108 switch (name) { 109 case GL_VENDOR: 110 return (GLubyte *) "Tungsten Graphics, Inc"; 111 break; 112 113 case GL_RENDERER: 114 switch (intel->intelScreen->deviceID) { 115 case PCI_CHIP_845_G: 116 chipset = "Intel(R) 845G"; 117 break; 118 case PCI_CHIP_I830_M: 119 chipset = "Intel(R) 830M"; 120 break; 121 case PCI_CHIP_I855_GM: 122 chipset = "Intel(R) 852GM/855GM"; 123 break; 124 case PCI_CHIP_I865_G: 125 chipset = "Intel(R) 865G"; 126 break; 127 case PCI_CHIP_I915_G: 128 chipset = "Intel(R) 915G"; 129 break; 130 case PCI_CHIP_E7221_G: 131 chipset = "Intel (R) E7221G (i915)"; 132 break; 133 case PCI_CHIP_I915_GM: 134 chipset = "Intel(R) 915GM"; 135 break; 136 case PCI_CHIP_I945_G: 137 chipset = "Intel(R) 945G"; 138 break; 139 case PCI_CHIP_I945_GM: 140 chipset = "Intel(R) 945GM"; 141 break; 142 case PCI_CHIP_I945_GME: 143 chipset = "Intel(R) 945GME"; 144 break; 145 case PCI_CHIP_G33_G: 146 chipset = "Intel(R) G33"; 147 break; 148 case PCI_CHIP_Q35_G: 149 chipset = "Intel(R) Q35"; 150 break; 151 case PCI_CHIP_Q33_G: 152 chipset = "Intel(R) Q33"; 153 break; 154 case PCI_CHIP_I965_Q: 155 chipset = "Intel(R) 965Q"; 156 break; 157 case PCI_CHIP_I965_G: 158 case PCI_CHIP_I965_G_1: 159 chipset = "Intel(R) 965G"; 160 break; 161 case PCI_CHIP_I946_GZ: 162 chipset = "Intel(R) 946GZ"; 163 break; 164 case PCI_CHIP_I965_GM: 165 chipset = "Intel(R) 965GM"; 166 break; 167 case PCI_CHIP_I965_GME: 168 chipset = "Intel(R) 965GME/GLE"; 169 break; 170 case PCI_CHIP_GM45_GM: 171 chipset = "Mobile Intel® GM45 Express Chipset"; 172 break; 173 case PCI_CHIP_IGD_E_G: 174 chipset = "Intel(R) Integrated Graphics Device"; 175 break; 176 case PCI_CHIP_G45_G: 177 chipset = "Intel(R) G45/G43"; 178 break; 179 case PCI_CHIP_Q45_G: 180 chipset = "Intel(R) Q45/Q43"; 181 break; 182 case PCI_CHIP_G41_G: 183 chipset = "Intel(R) G41"; 184 break; 185 default: 186 chipset = "Unknown Intel Chipset"; 187 break; 188 } 189 190 (void) driGetRendererString(buffer, chipset, 191 (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE, 192 0); 193 return (GLubyte *) buffer; 194 195 default: 196 return NULL; 197 } 198} 199 200void 201intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 202{ 203 struct intel_framebuffer *intel_fb = drawable->driverPrivate; 204 struct intel_renderbuffer *rb; 205 struct intel_region *region, *depth_region; 206 struct intel_context *intel = context->driverPrivate; 207 __DRIbuffer *buffers; 208 __DRIscreen *screen; 209 int i, count; 210 unsigned int attachments[10]; 211 uint32_t name; 212 const char *region_name; 213 214 if (INTEL_DEBUG & DEBUG_DRI) 215 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 216 217 screen = intel->intelScreen->driScrnPriv; 218 219 i = 0; 220 if (intel_fb->color_rb[0]) 221 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 222 if (intel_fb->color_rb[1]) 223 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 224 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 225 attachments[i++] = __DRI_BUFFER_DEPTH; 226 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 227 attachments[i++] = __DRI_BUFFER_STENCIL; 228 229 buffers = (*screen->dri2.loader->getBuffers)(drawable, 230 &drawable->w, 231 &drawable->h, 232 attachments, i, 233 &count, 234 drawable->loaderPrivate); 235 236 if (buffers == NULL) 237 return; 238 239 drawable->x = 0; 240 drawable->y = 0; 241 drawable->backX = 0; 242 drawable->backY = 0; 243 drawable->numClipRects = 1; 244 drawable->pClipRects[0].x1 = 0; 245 drawable->pClipRects[0].y1 = 0; 246 drawable->pClipRects[0].x2 = drawable->w; 247 drawable->pClipRects[0].y2 = drawable->h; 248 drawable->numBackClipRects = 1; 249 drawable->pBackClipRects[0].x1 = 0; 250 drawable->pBackClipRects[0].y1 = 0; 251 drawable->pBackClipRects[0].x2 = drawable->w; 252 drawable->pBackClipRects[0].y2 = drawable->h; 253 254 depth_region = NULL; 255 for (i = 0; i < count; i++) { 256 switch (buffers[i].attachment) { 257 case __DRI_BUFFER_FRONT_LEFT: 258 rb = intel_fb->color_rb[0]; 259 region_name = "dri2 front buffer"; 260 break; 261 262 case __DRI_BUFFER_BACK_LEFT: 263 rb = intel_fb->color_rb[1]; 264 region_name = "dri2 back buffer"; 265 break; 266 267 case __DRI_BUFFER_DEPTH: 268 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 269 region_name = "dri2 depth buffer"; 270 break; 271 272 case __DRI_BUFFER_STENCIL: 273 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 274 region_name = "dri2 stencil buffer"; 275 break; 276 277 case __DRI_BUFFER_ACCUM: 278 default: 279 fprintf(stderr, 280 "unhandled buffer attach event, attacment type %d\n", 281 buffers[i].attachment); 282 return; 283 } 284 285 if (rb->region) { 286 dri_bo_flink(rb->region->buffer, &name); 287 if (name == buffers[i].name) 288 continue; 289 } 290 291 if (INTEL_DEBUG & DEBUG_DRI) 292 fprintf(stderr, 293 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 294 buffers[i].name, buffers[i].attachment, 295 buffers[i].cpp, buffers[i].pitch); 296 297 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 298 if (INTEL_DEBUG & DEBUG_DRI) 299 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 300 intel_region_reference(®ion, depth_region); 301 } 302 else 303 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 304 drawable->w, 305 drawable->h, 306 buffers[i].pitch / buffers[i].cpp, 307 buffers[i].name, 308 region_name); 309 310 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 311 depth_region = region; 312 313 intel_renderbuffer_set_region(rb, region); 314 intel_region_release(®ion); 315 } 316 317 driUpdateFramebufferSize(&intel->ctx, drawable); 318} 319 320void 321intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 322{ 323 struct intel_context *intel = intel_context(ctx); 324 __DRIcontext *driContext = intel->driContext; 325 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 326 GLsizei w, GLsizei h); 327 328 if (!driContext->driScreenPriv->dri2.enabled) 329 return; 330 331 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 332 if (driContext->driDrawablePriv != driContext->driReadablePriv) 333 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 334 335 old_viewport = ctx->Driver.Viewport; 336 ctx->Driver.Viewport = NULL; 337 intel->driDrawable = driContext->driDrawablePriv; 338 intelWindowMoved(intel); 339 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 340 ctx->Driver.Viewport = old_viewport; 341} 342 343/** 344 * Extension strings exported by the intel driver. 345 * 346 * Extensions supported by all chips supported by i830_dri, i915_dri, or 347 * i965_dri. 348 */ 349static const struct dri_extension card_extensions[] = { 350 { "GL_ARB_multisample", GL_ARB_multisample_functions }, 351 { "GL_ARB_multitexture", NULL }, 352 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, 353 { "GL_ARB_texture_border_clamp", NULL }, 354 { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, 355 { "GL_ARB_texture_cube_map", NULL }, 356 { "GL_ARB_texture_env_add", NULL }, 357 { "GL_ARB_texture_env_combine", NULL }, 358 { "GL_ARB_texture_env_crossbar", NULL }, 359 { "GL_ARB_texture_env_dot3", NULL }, 360 { "GL_ARB_texture_mirrored_repeat", NULL }, 361 { "GL_ARB_texture_rectangle", NULL }, 362 { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, 363 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions }, 364 { "GL_ARB_window_pos", GL_ARB_window_pos_functions }, 365 { "GL_EXT_blend_color", GL_EXT_blend_color_functions }, 366 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, 367 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, 368 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, 369 { "GL_EXT_blend_logic_op", NULL }, 370 { "GL_EXT_blend_subtract", NULL }, 371 { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions }, 372 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, 373 { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions }, 374 { "GL_EXT_packed_depth_stencil", NULL }, 375 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, 376 { "GL_EXT_stencil_wrap", NULL }, 377 { "GL_EXT_texture_edge_clamp", NULL }, 378 { "GL_EXT_texture_env_combine", NULL }, 379 { "GL_EXT_texture_env_dot3", NULL }, 380 { "GL_EXT_texture_filter_anisotropic", NULL }, 381 { "GL_EXT_texture_lod_bias", NULL }, 382 { "GL_3DFX_texture_compression_FXT1", NULL }, 383 { "GL_APPLE_client_storage", NULL }, 384 { "GL_MESA_pack_invert", NULL }, 385 { "GL_MESA_ycbcr_texture", NULL }, 386 { "GL_NV_blend_square", NULL }, 387 { "GL_NV_point_sprite", GL_NV_point_sprite_functions }, 388 { "GL_NV_vertex_program", GL_NV_vertex_program_functions }, 389 { "GL_NV_vertex_program1_1", NULL }, 390 { "GL_SGIS_generate_mipmap", NULL }, 391 { NULL, NULL } 392}; 393 394static const struct dri_extension brw_extensions[] = { 395 { "GL_ARB_depth_texture", NULL }, 396 { "GL_ARB_draw_buffers", NULL }, 397 { "GL_ARB_fragment_program", NULL }, 398 { "GL_ARB_fragment_program_shadow", NULL }, 399 { "GL_ARB_fragment_shader", NULL }, 400 { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions }, 401 { "GL_ARB_point_sprite", NULL }, 402 { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions }, 403 { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions }, 404#if 0 405 /* Support for GLSL 1.20 is currently broken in core Mesa. 406 */ 407 { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions }, 408#endif 409 { "GL_ARB_shadow", NULL }, 410 { "GL_ARB_texture_non_power_of_two", NULL }, 411 { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions }, 412 { "GL_EXT_shadow_funcs", NULL }, 413 { "GL_EXT_texture_sRGB", NULL }, 414 { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions }, 415 { NULL, NULL } 416}; 417 418static const struct dri_extension arb_oq_extensions[] = { 419 { NULL, NULL } 420}; 421 422static const struct dri_extension ttm_extensions[] = { 423 { "GL_ARB_pixel_buffer_object", NULL }, 424 { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions }, 425 { NULL, NULL } 426}; 427 428/** 429 * Initializes potential list of extensions if ctx == NULL, or actually enables 430 * extensions for a context. 431 */ 432void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging) 433{ 434 struct intel_context *intel = ctx?intel_context(ctx):NULL; 435 436 /* Disable imaging extension until convolution is working in teximage paths. 437 */ 438 enable_imaging = GL_FALSE; 439 440 driInitExtensions(ctx, card_extensions, enable_imaging); 441 442 if (intel == NULL || intel->ttm) 443 driInitExtensions(ctx, ttm_extensions, GL_FALSE); 444 445 if (intel == NULL || IS_965(intel->intelScreen->deviceID)) 446 driInitExtensions(ctx, brw_extensions, GL_FALSE); 447} 448 449static const struct dri_debug_control debug_control[] = { 450 { "tex", DEBUG_TEXTURE}, 451 { "state", DEBUG_STATE}, 452 { "ioctl", DEBUG_IOCTL}, 453 { "blit", DEBUG_BLIT}, 454 { "mip", DEBUG_MIPTREE}, 455 { "fall", DEBUG_FALLBACKS}, 456 { "verb", DEBUG_VERBOSE}, 457 { "bat", DEBUG_BATCH}, 458 { "pix", DEBUG_PIXEL}, 459 { "buf", DEBUG_BUFMGR}, 460 { "reg", DEBUG_REGION}, 461 { "fbo", DEBUG_FBO}, 462 { "lock", DEBUG_LOCK}, 463 { "sync", DEBUG_SYNC}, 464 { "prim", DEBUG_PRIMS }, 465 { "vert", DEBUG_VERTS }, 466 { "dri", DEBUG_DRI }, 467 { "dma", DEBUG_DMA }, 468 { "san", DEBUG_SANITY }, 469 { "sleep", DEBUG_SLEEP }, 470 { "stats", DEBUG_STATS }, 471 { "tile", DEBUG_TILE }, 472 { "sing", DEBUG_SINGLE_THREAD }, 473 { "thre", DEBUG_SINGLE_THREAD }, 474 { "wm", DEBUG_WM }, 475 { "urb", DEBUG_URB }, 476 { "vs", DEBUG_VS }, 477 { NULL, 0 } 478}; 479 480 481static void 482intelInvalidateState(GLcontext * ctx, GLuint new_state) 483{ 484 struct intel_context *intel = intel_context(ctx); 485 486 _swrast_InvalidateState(ctx, new_state); 487 _swsetup_InvalidateState(ctx, new_state); 488 _vbo_InvalidateState(ctx, new_state); 489 _tnl_InvalidateState(ctx, new_state); 490 _tnl_invalidate_vertex_state(ctx, new_state); 491 492 intel->NewGLState |= new_state; 493 494 if (intel->vtbl.invalidate_state) 495 intel->vtbl.invalidate_state( intel, new_state ); 496} 497 498 499void 500intelFlush(GLcontext * ctx) 501{ 502 struct intel_context *intel = intel_context(ctx); 503 504 if (intel->Fallback) 505 _swrast_flush(ctx); 506 507 if (!IS_965(intel->intelScreen->deviceID)) 508 INTEL_FIREVERTICES(intel); 509 510 /* Emit a flush so that any frontbuffer rendering that might have occurred 511 * lands onscreen in a timely manner, even if the X Server doesn't trigger 512 * a flush for us. 513 */ 514 intel_batchbuffer_emit_mi_flush(intel->batch); 515 516 if (intel->batch->map != intel->batch->ptr) 517 intel_batchbuffer_flush(intel->batch); 518} 519 520void 521intelFinish(GLcontext * ctx) 522{ 523 struct gl_framebuffer *fb = ctx->DrawBuffer; 524 int i; 525 526 intelFlush(ctx); 527 528 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 529 struct intel_renderbuffer *irb; 530 531 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 532 533 if (irb->region) 534 dri_bo_wait_rendering(irb->region->buffer); 535 } 536 if (fb->_DepthBuffer) { 537 /* XXX: Wait on buffer idle */ 538 } 539} 540 541void 542intelInitDriverFunctions(struct dd_function_table *functions) 543{ 544 _mesa_init_driver_functions(functions); 545 546 functions->Flush = intelFlush; 547 functions->Finish = intelFinish; 548 functions->GetString = intelGetString; 549 functions->UpdateState = intelInvalidateState; 550 551 functions->CopyColorTable = _swrast_CopyColorTable; 552 functions->CopyColorSubTable = _swrast_CopyColorSubTable; 553 functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; 554 functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; 555 556 intelInitTextureFuncs(functions); 557 intelInitStateFuncs(functions); 558 intelInitBufferFuncs(functions); 559 intelInitPixelFuncs(functions); 560} 561 562 563GLboolean 564intelInitContext(struct intel_context *intel, 565 const __GLcontextModes * mesaVis, 566 __DRIcontextPrivate * driContextPriv, 567 void *sharedContextPrivate, 568 struct dd_function_table *functions) 569{ 570 GLcontext *ctx = &intel->ctx; 571 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 572 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 573 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 574 int fthrottle_mode; 575 576 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 577 functions, (void *) intel)) { 578 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 579 return GL_FALSE; 580 } 581 582 driContextPriv->driverPrivate = intel; 583 intel->intelScreen = intelScreen; 584 intel->driScreen = sPriv; 585 intel->sarea = intelScreen->sarea; 586 intel->driContext = driContextPriv; 587 588 /* Dri stuff */ 589 intel->hHWContext = driContextPriv->hHWContext; 590 intel->driFd = sPriv->fd; 591 intel->driHwLock = sPriv->lock; 592 593 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 594 intel->driScreen->myNum, 595 IS_965(intelScreen->deviceID) ? "i965" : "i915"); 596 if (intelScreen->deviceID == PCI_CHIP_I865_G) 597 intel->maxBatchSize = 4096; 598 else 599 intel->maxBatchSize = BATCH_SZ; 600 601 intel->bufmgr = intelScreen->bufmgr; 602 intel->ttm = intelScreen->ttm; 603 if (intel->ttm) { 604 int bo_reuse_mode; 605 606 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 607 switch (bo_reuse_mode) { 608 case DRI_CONF_BO_REUSE_DISABLED: 609 break; 610 case DRI_CONF_BO_REUSE_ALL: 611 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 612 break; 613 } 614 } 615 616 ctx->Const.MaxTextureMaxAnisotropy = 2.0; 617 618 /* This doesn't yet catch all non-conformant rendering, but it's a 619 * start. 620 */ 621 if (getenv("INTEL_STRICT_CONFORMANCE")) { 622 intel->strict_conformance = 1; 623 } 624 625 if (intel->strict_conformance) { 626 ctx->Const.MinLineWidth = 1.0; 627 ctx->Const.MinLineWidthAA = 1.0; 628 ctx->Const.MaxLineWidth = 1.0; 629 ctx->Const.MaxLineWidthAA = 1.0; 630 ctx->Const.LineWidthGranularity = 1.0; 631 } 632 else { 633 ctx->Const.MinLineWidth = 1.0; 634 ctx->Const.MinLineWidthAA = 1.0; 635 ctx->Const.MaxLineWidth = 5.0; 636 ctx->Const.MaxLineWidthAA = 5.0; 637 ctx->Const.LineWidthGranularity = 0.5; 638 } 639 640 ctx->Const.MinPointSize = 1.0; 641 ctx->Const.MinPointSizeAA = 1.0; 642 ctx->Const.MaxPointSize = 255.0; 643 ctx->Const.MaxPointSizeAA = 3.0; 644 ctx->Const.PointSizeGranularity = 1.0; 645 646 /* reinitialize the context point state. 647 * It depend on constants in __GLcontextRec::Const 648 */ 649 _mesa_init_point(ctx); 650 651 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 652 653 /* Initialize the software rasterizer and helper modules. */ 654 _swrast_CreateContext(ctx); 655 _vbo_CreateContext(ctx); 656 _tnl_CreateContext(ctx); 657 _swsetup_CreateContext(ctx); 658 659 /* Configure swrast to match hardware characteristics: */ 660 _swrast_allow_pixel_fog(ctx, GL_FALSE); 661 _swrast_allow_vertex_fog(ctx, GL_TRUE); 662 663 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 664 intel->hw_stipple = 1; 665 666 /* XXX FBO: this doesn't seem to be used anywhere */ 667 switch (mesaVis->depthBits) { 668 case 0: /* what to do in this case? */ 669 case 16: 670 intel->polygon_offset_scale = 1.0; 671 break; 672 case 24: 673 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 674 break; 675 default: 676 assert(0); 677 break; 678 } 679 680 if (IS_965(intelScreen->deviceID)) 681 intel->polygon_offset_scale /= 0xffff; 682 683 intel->RenderIndex = ~0; 684 685 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 686 intel->irqsEmitted = 0; 687 688 intel->do_irqs = (intel->intelScreen->irq_active && 689 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 690 691 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 692 693 _math_matrix_ctr(&intel->ViewportMatrix); 694 695 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { 696 _mesa_printf("IRQs not active. Exiting\n"); 697 exit(1); 698 } 699 700 intelInitExtensions(ctx, GL_FALSE); 701 702 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 703 if (INTEL_DEBUG & DEBUG_BUFMGR) 704 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 705 706 if (!sPriv->dri2.enabled) 707 intel_recreate_static_regions(intel); 708 709 intel->batch = intel_batchbuffer_alloc(intel); 710 711 intel_bufferobj_init(intel); 712 intel_fbo_init(intel); 713 714 if (intel->ctx.Mesa_DXTn) { 715 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 716 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 717 } 718 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 719 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 720 } 721 722 intel->prim.primitive = ~0; 723 724 /* Force all software fallbacks */ 725 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 726 fprintf(stderr, "disabling 3D rasterization\n"); 727 intel->no_rast = 1; 728 } 729 730 /* Disable all hardware rendering (skip emitting batches and fences/waits 731 * to the kernel) 732 */ 733 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 734 735 return GL_TRUE; 736} 737 738void 739intelDestroyContext(__DRIcontextPrivate * driContextPriv) 740{ 741 struct intel_context *intel = 742 (struct intel_context *) driContextPriv->driverPrivate; 743 744 assert(intel); /* should never be null */ 745 if (intel) { 746 GLboolean release_texture_heaps; 747 748 INTEL_FIREVERTICES(intel); 749 750 intel->vtbl.destroy(intel); 751 752 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 753 _swsetup_DestroyContext(&intel->ctx); 754 _tnl_DestroyContext(&intel->ctx); 755 _vbo_DestroyContext(&intel->ctx); 756 757 _swrast_DestroyContext(&intel->ctx); 758 intel->Fallback = 0; /* don't call _swrast_Flush later */ 759 760 intel_batchbuffer_free(intel->batch); 761 intel->batch = NULL; 762 763 free(intel->prim.vb); 764 intel->prim.vb = NULL; 765 dri_bo_unreference(intel->prim.vb_bo); 766 intel->prim.vb_bo = NULL; 767 768 if (release_texture_heaps) { 769 /* This share group is about to go away, free our private 770 * texture object data. 771 */ 772 if (INTEL_DEBUG & DEBUG_TEXTURE) 773 fprintf(stderr, "do something to free texture heaps\n"); 774 } 775 776 intel_region_release(&intel->front_region); 777 intel_region_release(&intel->back_region); 778 intel_region_release(&intel->third_region); 779 intel_region_release(&intel->depth_region); 780 781 driDestroyOptionCache(&intel->optionCache); 782 783 /* free the Mesa context */ 784 _mesa_free_context_data(&intel->ctx); 785 } 786} 787 788GLboolean 789intelUnbindContext(__DRIcontextPrivate * driContextPriv) 790{ 791 return GL_TRUE; 792} 793 794GLboolean 795intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 796 __DRIdrawablePrivate * driDrawPriv, 797 __DRIdrawablePrivate * driReadPriv) 798{ 799 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 800 801 if (driContextPriv) { 802 struct intel_context *intel = 803 (struct intel_context *) driContextPriv->driverPrivate; 804 struct intel_framebuffer *intel_fb = 805 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 806 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 807 808 if (driContextPriv->driScreenPriv->dri2.enabled) { 809 intel_update_renderbuffers(driContextPriv, driDrawPriv); 810 if (driDrawPriv != driReadPriv) 811 intel_update_renderbuffers(driContextPriv, driReadPriv); 812 } else { 813 /* XXX FBO temporary fix-ups! */ 814 /* if the renderbuffers don't have regions, init them from the context */ 815 struct intel_renderbuffer *irbDepth 816 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 817 struct intel_renderbuffer *irbStencil 818 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 819 820 if (intel_fb->color_rb[0]) { 821 intel_renderbuffer_set_region(intel_fb->color_rb[0], 822 intel->front_region); 823 } 824 if (intel_fb->color_rb[1]) { 825 intel_renderbuffer_set_region(intel_fb->color_rb[1], 826 intel->back_region); 827 } 828#if 0 829 if (intel_fb->color_rb[2]) { 830 intel_renderbuffer_set_region(intel_fb->color_rb[2], 831 intel->third_region); 832 } 833#endif 834 if (irbDepth) { 835 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 836 } 837 if (irbStencil) { 838 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 839 } 840 } 841 842 /* set GLframebuffer size to match window, if needed */ 843 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 844 845 if (driReadPriv != driDrawPriv) { 846 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 847 } 848 849 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 850 851 /* The drawbuffer won't always be updated by _mesa_make_current: 852 */ 853 if (intel->ctx.DrawBuffer == &intel_fb->Base) { 854 855 if (intel->driReadDrawable != driReadPriv) 856 intel->driReadDrawable = driReadPriv; 857 858 if (intel->driDrawable != driDrawPriv) { 859 if (driDrawPriv->swap_interval == (unsigned)-1) { 860 int i; 861 862 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0) 863 ? driGetDefaultVBlankFlags(&intel->optionCache) 864 : VBLANK_FLAG_NO_IRQ; 865 866 (*psp->systemTime->getUST) (&intel_fb->swap_ust); 867 driDrawableInitVBlank(driDrawPriv); 868 intel_fb->vbl_waited = driDrawPriv->vblSeq; 869 870 for (i = 0; i < (intel->intelScreen->third.handle ? 3 : 2); i++) { 871 if (intel_fb->color_rb[i]) 872 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq; 873 } 874 } 875 intel->driDrawable = driDrawPriv; 876 intelWindowMoved(intel); 877 } 878 879 intel_draw_buffer(&intel->ctx, &intel_fb->Base); 880 } 881 } 882 else { 883 _mesa_make_current(NULL, NULL, NULL); 884 } 885 886 return GL_TRUE; 887} 888 889static void 890intelContendedLock(struct intel_context *intel, GLuint flags) 891{ 892 __DRIdrawablePrivate *dPriv = intel->driDrawable; 893 __DRIscreenPrivate *sPriv = intel->driScreen; 894 volatile struct drm_i915_sarea *sarea = intel->sarea; 895 int me = intel->hHWContext; 896 897 drmGetLock(intel->driFd, intel->hHWContext, flags); 898 intel->locked = 1; 899 900 if (INTEL_DEBUG & DEBUG_LOCK) 901 _mesa_printf("%s - got contended lock\n", __progname); 902 903 /* If the window moved, may need to set a new cliprect now. 904 * 905 * NOTE: This releases and regains the hw lock, so all state 906 * checking must be done *after* this call: 907 */ 908 if (dPriv) 909 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 910 911 if (sarea && sarea->ctxOwner != me) { 912 if (INTEL_DEBUG & DEBUG_BUFMGR) { 913 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 914 sarea->ctxOwner, me); 915 } 916 sarea->ctxOwner = me; 917 } 918 919 /* If the last consumer of the texture memory wasn't us, notify the fake 920 * bufmgr and record the new owner. We should have the memory shared 921 * between contexts of a single fake bufmgr, but this will at least make 922 * things correct for now. 923 */ 924 if (!intel->ttm && sarea->texAge != intel->hHWContext) { 925 sarea->texAge = intel->hHWContext; 926 intel_bufmgr_fake_contended_lock_take(intel->bufmgr); 927 if (INTEL_DEBUG & DEBUG_BATCH) 928 intel_decode_context_reset(); 929 if (INTEL_DEBUG & DEBUG_BUFMGR) 930 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n", 931 sarea->ctxOwner, intel->hHWContext); 932 } 933 934 /* Drawable changed? 935 */ 936 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 937 intelWindowMoved(intel); 938 intel->lastStamp = dPriv->lastStamp; 939 } 940} 941 942 943_glthread_DECLARE_STATIC_MUTEX(lockMutex); 944 945/* Lock the hardware and validate our state. 946 */ 947void LOCK_HARDWARE( struct intel_context *intel ) 948{ 949 __DRIdrawable *dPriv = intel->driDrawable; 950 __DRIscreen *sPriv = intel->driScreen; 951 char __ret = 0; 952 struct intel_framebuffer *intel_fb = NULL; 953 struct intel_renderbuffer *intel_rb = NULL; 954 955 _glthread_LOCK_MUTEX(lockMutex); 956 assert(!intel->locked); 957 intel->locked = 1; 958 959 if (intel->driDrawable) { 960 intel_fb = intel->driDrawable->driverPrivate; 961 962 if (intel_fb) 963 intel_rb = 964 intel_get_renderbuffer(&intel_fb->Base, 965 intel_fb->Base._ColorDrawBufferIndexes[0]); 966 } 967 968 if (intel_rb && dPriv->vblFlags && 969 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 970 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 971 drmVBlank vbl; 972 973 vbl.request.type = DRM_VBLANK_ABSOLUTE; 974 975 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 976 vbl.request.type |= DRM_VBLANK_SECONDARY; 977 } 978 979 vbl.request.sequence = intel_rb->vbl_pending; 980 drmWaitVBlank(intel->driFd, &vbl); 981 intel_fb->vbl_waited = vbl.reply.sequence; 982 } 983 984 if (!sPriv->dri2.enabled) { 985 DRM_CAS(intel->driHwLock, intel->hHWContext, 986 (DRM_LOCK_HELD|intel->hHWContext), __ret); 987 988 if (__ret) 989 intelContendedLock( intel, 0 ); 990 } 991 992 993 if (INTEL_DEBUG & DEBUG_LOCK) 994 _mesa_printf("%s - locked\n", __progname); 995} 996 997 998/* Unlock the hardware using the global current context 999 */ 1000void UNLOCK_HARDWARE( struct intel_context *intel ) 1001{ 1002 __DRIscreen *sPriv = intel->driScreen; 1003 1004 intel->vtbl.note_unlock( intel ); 1005 intel->locked = 0; 1006 1007 if (!sPriv->dri2.enabled) 1008 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1009 1010 _glthread_UNLOCK_MUTEX(lockMutex); 1011 1012 if (INTEL_DEBUG & DEBUG_LOCK) 1013 _mesa_printf("%s - unlocked\n", __progname); 1014 1015 /** 1016 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1017 * cliprects. 1018 */ 1019 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1020 intel_batchbuffer_flush(intel->batch); 1021} 1022 1023