intel_context.c revision f7265e7a57bf49285dd226cf1effc75bf0cd54c0
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_framebuffer_object 72#define need_GL_ARB_multisample 73#define need_GL_ARB_occlusion_query 74#define need_GL_ARB_point_parameters 75#define need_GL_ARB_shader_objects 76#define need_GL_ARB_texture_compression 77#define need_GL_ARB_vertex_buffer_object 78#define need_GL_ARB_vertex_program 79#define need_GL_ARB_vertex_shader 80#define need_GL_ARB_window_pos 81#define need_GL_EXT_blend_color 82#define need_GL_EXT_blend_equation_separate 83#define need_GL_EXT_blend_func_separate 84#define need_GL_EXT_blend_minmax 85#define need_GL_EXT_cull_vertex 86#define need_GL_EXT_fog_coord 87#define need_GL_EXT_framebuffer_object 88#define need_GL_EXT_framebuffer_blit 89#define need_GL_EXT_multi_draw_arrays 90#define need_GL_EXT_point_parameters 91#define need_GL_EXT_secondary_color 92#define need_GL_EXT_stencil_two_side 93#define need_GL_ATI_separate_stencil 94#define need_GL_NV_point_sprite 95#define need_GL_NV_vertex_program 96#define need_GL_VERSION_2_0 97#define need_GL_VERSION_2_1 98 99#include "extension_helper.h" 100 101#define DRIVER_DATE "20090114" 102#define DRIVER_DATE_GEM "GEM " DRIVER_DATE 103 104static const GLubyte * 105intelGetString(GLcontext * ctx, GLenum name) 106{ 107 const struct intel_context *const intel = intel_context(ctx); 108 const char *chipset; 109 static char buffer[128]; 110 111 switch (name) { 112 case GL_VENDOR: 113 return (GLubyte *) "Tungsten Graphics, Inc"; 114 break; 115 116 case GL_RENDERER: 117 switch (intel->intelScreen->deviceID) { 118 case PCI_CHIP_845_G: 119 chipset = "Intel(R) 845G"; 120 break; 121 case PCI_CHIP_I830_M: 122 chipset = "Intel(R) 830M"; 123 break; 124 case PCI_CHIP_I855_GM: 125 chipset = "Intel(R) 852GM/855GM"; 126 break; 127 case PCI_CHIP_I865_G: 128 chipset = "Intel(R) 865G"; 129 break; 130 case PCI_CHIP_I915_G: 131 chipset = "Intel(R) 915G"; 132 break; 133 case PCI_CHIP_E7221_G: 134 chipset = "Intel (R) E7221G (i915)"; 135 break; 136 case PCI_CHIP_I915_GM: 137 chipset = "Intel(R) 915GM"; 138 break; 139 case PCI_CHIP_I945_G: 140 chipset = "Intel(R) 945G"; 141 break; 142 case PCI_CHIP_I945_GM: 143 chipset = "Intel(R) 945GM"; 144 break; 145 case PCI_CHIP_I945_GME: 146 chipset = "Intel(R) 945GME"; 147 break; 148 case PCI_CHIP_G33_G: 149 chipset = "Intel(R) G33"; 150 break; 151 case PCI_CHIP_Q35_G: 152 chipset = "Intel(R) Q35"; 153 break; 154 case PCI_CHIP_Q33_G: 155 chipset = "Intel(R) Q33"; 156 break; 157 case PCI_CHIP_I965_Q: 158 chipset = "Intel(R) 965Q"; 159 break; 160 case PCI_CHIP_I965_G: 161 case PCI_CHIP_I965_G_1: 162 chipset = "Intel(R) 965G"; 163 break; 164 case PCI_CHIP_I946_GZ: 165 chipset = "Intel(R) 946GZ"; 166 break; 167 case PCI_CHIP_I965_GM: 168 chipset = "Intel(R) 965GM"; 169 break; 170 case PCI_CHIP_I965_GME: 171 chipset = "Intel(R) 965GME/GLE"; 172 break; 173 case PCI_CHIP_GM45_GM: 174 chipset = "Mobile Intel® GM45 Express Chipset"; 175 break; 176 case PCI_CHIP_IGD_E_G: 177 chipset = "Intel(R) Integrated Graphics Device"; 178 break; 179 case PCI_CHIP_G45_G: 180 chipset = "Intel(R) G45/G43"; 181 break; 182 case PCI_CHIP_Q45_G: 183 chipset = "Intel(R) Q45/Q43"; 184 break; 185 case PCI_CHIP_G41_G: 186 chipset = "Intel(R) G41"; 187 break; 188 default: 189 chipset = "Unknown Intel Chipset"; 190 break; 191 } 192 193 (void) driGetRendererString(buffer, chipset, 194 (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE, 195 0); 196 return (GLubyte *) buffer; 197 198 default: 199 return NULL; 200 } 201} 202 203void 204intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 205{ 206 struct intel_framebuffer *intel_fb = drawable->driverPrivate; 207 struct intel_renderbuffer *rb; 208 struct intel_region *region, *depth_region; 209 struct intel_context *intel = context->driverPrivate; 210 __DRIbuffer *buffers; 211 __DRIscreen *screen; 212 int i, count; 213 unsigned int attachments[10]; 214 uint32_t name; 215 const char *region_name; 216 217 if (INTEL_DEBUG & DEBUG_DRI) 218 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 219 220 screen = intel->intelScreen->driScrnPriv; 221 222 i = 0; 223 if (intel_fb->color_rb[0]) 224 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 225 if (intel_fb->color_rb[1]) 226 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 227 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 228 attachments[i++] = __DRI_BUFFER_DEPTH; 229 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 230 attachments[i++] = __DRI_BUFFER_STENCIL; 231 232 buffers = (*screen->dri2.loader->getBuffers)(drawable, 233 &drawable->w, 234 &drawable->h, 235 attachments, i, 236 &count, 237 drawable->loaderPrivate); 238 239 if (buffers == NULL) 240 return; 241 242 drawable->x = 0; 243 drawable->y = 0; 244 drawable->backX = 0; 245 drawable->backY = 0; 246 drawable->numClipRects = 1; 247 drawable->pClipRects[0].x1 = 0; 248 drawable->pClipRects[0].y1 = 0; 249 drawable->pClipRects[0].x2 = drawable->w; 250 drawable->pClipRects[0].y2 = drawable->h; 251 drawable->numBackClipRects = 1; 252 drawable->pBackClipRects[0].x1 = 0; 253 drawable->pBackClipRects[0].y1 = 0; 254 drawable->pBackClipRects[0].x2 = drawable->w; 255 drawable->pBackClipRects[0].y2 = drawable->h; 256 257 depth_region = NULL; 258 for (i = 0; i < count; i++) { 259 switch (buffers[i].attachment) { 260 case __DRI_BUFFER_FRONT_LEFT: 261 rb = intel_fb->color_rb[0]; 262 region_name = "dri2 front buffer"; 263 break; 264 265 case __DRI_BUFFER_BACK_LEFT: 266 rb = intel_fb->color_rb[1]; 267 region_name = "dri2 back buffer"; 268 break; 269 270 case __DRI_BUFFER_DEPTH: 271 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 272 region_name = "dri2 depth buffer"; 273 break; 274 275 case __DRI_BUFFER_STENCIL: 276 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 277 region_name = "dri2 stencil buffer"; 278 break; 279 280 case __DRI_BUFFER_ACCUM: 281 default: 282 fprintf(stderr, 283 "unhandled buffer attach event, attacment type %d\n", 284 buffers[i].attachment); 285 return; 286 } 287 288 if (rb->region) { 289 dri_bo_flink(rb->region->buffer, &name); 290 if (name == buffers[i].name) 291 continue; 292 } 293 294 if (INTEL_DEBUG & DEBUG_DRI) 295 fprintf(stderr, 296 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 297 buffers[i].name, buffers[i].attachment, 298 buffers[i].cpp, buffers[i].pitch); 299 300 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 301 if (INTEL_DEBUG & DEBUG_DRI) 302 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 303 intel_region_reference(®ion, depth_region); 304 } 305 else 306 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 307 drawable->w, 308 drawable->h, 309 buffers[i].pitch / buffers[i].cpp, 310 buffers[i].name, 311 region_name); 312 313 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 314 depth_region = region; 315 316 intel_renderbuffer_set_region(rb, region); 317 intel_region_release(®ion); 318 } 319 320 driUpdateFramebufferSize(&intel->ctx, drawable); 321} 322 323void 324intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 325{ 326 struct intel_context *intel = intel_context(ctx); 327 __DRIcontext *driContext = intel->driContext; 328 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 329 GLsizei w, GLsizei h); 330 331 if (!driContext->driScreenPriv->dri2.enabled) 332 return; 333 334 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 335 if (driContext->driDrawablePriv != driContext->driReadablePriv) 336 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 337 338 old_viewport = ctx->Driver.Viewport; 339 ctx->Driver.Viewport = NULL; 340 intel->driDrawable = driContext->driDrawablePriv; 341 intelWindowMoved(intel); 342 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 343 ctx->Driver.Viewport = old_viewport; 344} 345 346/** 347 * Extension strings exported by the intel driver. 348 * 349 * Extensions supported by all chips supported by i830_dri, i915_dri, or 350 * i965_dri. 351 */ 352static const struct dri_extension card_extensions[] = { 353 { "GL_ARB_multisample", GL_ARB_multisample_functions }, 354 { "GL_ARB_multitexture", NULL }, 355 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, 356 { "GL_ARB_texture_border_clamp", NULL }, 357 { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, 358 { "GL_ARB_texture_cube_map", NULL }, 359 { "GL_ARB_texture_env_add", NULL }, 360 { "GL_ARB_texture_env_combine", NULL }, 361 { "GL_ARB_texture_env_crossbar", NULL }, 362 { "GL_ARB_texture_env_dot3", NULL }, 363 { "GL_ARB_texture_mirrored_repeat", NULL }, 364 { "GL_ARB_texture_rectangle", NULL }, 365 { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, 366 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions }, 367 { "GL_ARB_window_pos", GL_ARB_window_pos_functions }, 368 { "GL_EXT_blend_color", GL_EXT_blend_color_functions }, 369 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, 370 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, 371 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, 372 { "GL_EXT_blend_logic_op", NULL }, 373 { "GL_EXT_blend_subtract", NULL }, 374 { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions }, 375 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, 376 { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions }, 377 { "GL_EXT_packed_depth_stencil", NULL }, 378 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, 379 { "GL_EXT_stencil_wrap", NULL }, 380 { "GL_EXT_texture_edge_clamp", NULL }, 381 { "GL_EXT_texture_env_combine", NULL }, 382 { "GL_EXT_texture_env_dot3", NULL }, 383 { "GL_EXT_texture_filter_anisotropic", NULL }, 384 { "GL_EXT_texture_lod_bias", NULL }, 385 { "GL_3DFX_texture_compression_FXT1", NULL }, 386 { "GL_APPLE_client_storage", NULL }, 387 { "GL_MESA_pack_invert", NULL }, 388 { "GL_MESA_ycbcr_texture", NULL }, 389 { "GL_NV_blend_square", NULL }, 390 { "GL_NV_point_sprite", GL_NV_point_sprite_functions }, 391 { "GL_NV_vertex_program", GL_NV_vertex_program_functions }, 392 { "GL_NV_vertex_program1_1", NULL }, 393 { "GL_SGIS_generate_mipmap", NULL }, 394 { NULL, NULL } 395}; 396 397static const struct dri_extension brw_extensions[] = { 398 { "GL_ARB_depth_texture", NULL }, 399 { "GL_ARB_draw_buffers", NULL }, 400 { "GL_ARB_fragment_program", NULL }, 401 { "GL_ARB_fragment_program_shadow", NULL }, 402 { "GL_ARB_fragment_shader", NULL }, 403 { "GL_ARB_framebuffer_object", GL_ARB_framebuffer_object_functions}, 404 { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions }, 405 { "GL_ARB_point_sprite", NULL }, 406 { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions }, 407 { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions }, 408#if 0 409 /* Support for GLSL 1.20 is currently broken in core Mesa. 410 */ 411 { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions }, 412#endif 413 { "GL_ARB_shadow", NULL }, 414 { "GL_ARB_texture_non_power_of_two", NULL }, 415 { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions }, 416 { "GL_EXT_shadow_funcs", NULL }, 417 { "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions }, 418 { "GL_EXT_texture_sRGB", NULL }, 419 { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions }, 420 { "GL_ATI_texture_env_combine3", NULL }, 421 { NULL, NULL } 422}; 423 424static const struct dri_extension arb_oq_extensions[] = { 425 { NULL, NULL } 426}; 427 428static const struct dri_extension ttm_extensions[] = { 429 { "GL_ARB_pixel_buffer_object", NULL }, 430 { "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions }, 431 { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions }, 432 { NULL, NULL } 433}; 434 435/** 436 * Initializes potential list of extensions if ctx == NULL, or actually enables 437 * extensions for a context. 438 */ 439void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging) 440{ 441 struct intel_context *intel = ctx?intel_context(ctx):NULL; 442 443 /* Disable imaging extension until convolution is working in teximage paths. 444 */ 445 enable_imaging = GL_FALSE; 446 447 driInitExtensions(ctx, card_extensions, enable_imaging); 448 449 if (intel == NULL || intel->ttm) 450 driInitExtensions(ctx, ttm_extensions, GL_FALSE); 451 452 if (intel == NULL || IS_965(intel->intelScreen->deviceID)) 453 driInitExtensions(ctx, brw_extensions, GL_FALSE); 454} 455 456static const struct dri_debug_control debug_control[] = { 457 { "tex", DEBUG_TEXTURE}, 458 { "state", DEBUG_STATE}, 459 { "ioctl", DEBUG_IOCTL}, 460 { "blit", DEBUG_BLIT}, 461 { "mip", DEBUG_MIPTREE}, 462 { "fall", DEBUG_FALLBACKS}, 463 { "verb", DEBUG_VERBOSE}, 464 { "bat", DEBUG_BATCH}, 465 { "pix", DEBUG_PIXEL}, 466 { "buf", DEBUG_BUFMGR}, 467 { "reg", DEBUG_REGION}, 468 { "fbo", DEBUG_FBO}, 469 { "lock", DEBUG_LOCK}, 470 { "sync", DEBUG_SYNC}, 471 { "prim", DEBUG_PRIMS }, 472 { "vert", DEBUG_VERTS }, 473 { "dri", DEBUG_DRI }, 474 { "dma", DEBUG_DMA }, 475 { "san", DEBUG_SANITY }, 476 { "sleep", DEBUG_SLEEP }, 477 { "stats", DEBUG_STATS }, 478 { "tile", DEBUG_TILE }, 479 { "sing", DEBUG_SINGLE_THREAD }, 480 { "thre", DEBUG_SINGLE_THREAD }, 481 { "wm", DEBUG_WM }, 482 { "urb", DEBUG_URB }, 483 { "vs", DEBUG_VS }, 484 { NULL, 0 } 485}; 486 487 488static void 489intelInvalidateState(GLcontext * ctx, GLuint new_state) 490{ 491 struct intel_context *intel = intel_context(ctx); 492 493 _swrast_InvalidateState(ctx, new_state); 494 _swsetup_InvalidateState(ctx, new_state); 495 _vbo_InvalidateState(ctx, new_state); 496 _tnl_InvalidateState(ctx, new_state); 497 _tnl_invalidate_vertex_state(ctx, new_state); 498 499 intel->NewGLState |= new_state; 500 501 if (intel->vtbl.invalidate_state) 502 intel->vtbl.invalidate_state( intel, new_state ); 503} 504 505 506void 507intelFlush(GLcontext * ctx) 508{ 509 struct intel_context *intel = intel_context(ctx); 510 511 if (intel->Fallback) 512 _swrast_flush(ctx); 513 514 if (!IS_965(intel->intelScreen->deviceID)) 515 INTEL_FIREVERTICES(intel); 516 517 /* Emit a flush so that any frontbuffer rendering that might have occurred 518 * lands onscreen in a timely manner, even if the X Server doesn't trigger 519 * a flush for us. 520 */ 521 intel_batchbuffer_emit_mi_flush(intel->batch); 522 523 if (intel->batch->map != intel->batch->ptr) 524 intel_batchbuffer_flush(intel->batch); 525} 526 527void 528intelFinish(GLcontext * ctx) 529{ 530 struct gl_framebuffer *fb = ctx->DrawBuffer; 531 int i; 532 533 intelFlush(ctx); 534 535 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 536 struct intel_renderbuffer *irb; 537 538 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 539 540 if (irb->region) 541 dri_bo_wait_rendering(irb->region->buffer); 542 } 543 if (fb->_DepthBuffer) { 544 /* XXX: Wait on buffer idle */ 545 } 546} 547 548void 549intelInitDriverFunctions(struct dd_function_table *functions) 550{ 551 _mesa_init_driver_functions(functions); 552 553 functions->Flush = intelFlush; 554 functions->Finish = intelFinish; 555 functions->GetString = intelGetString; 556 functions->UpdateState = intelInvalidateState; 557 558 functions->CopyColorTable = _swrast_CopyColorTable; 559 functions->CopyColorSubTable = _swrast_CopyColorSubTable; 560 functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; 561 functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; 562 563 intelInitTextureFuncs(functions); 564 intelInitStateFuncs(functions); 565 intelInitBufferFuncs(functions); 566 intelInitPixelFuncs(functions); 567} 568 569 570GLboolean 571intelInitContext(struct intel_context *intel, 572 const __GLcontextModes * mesaVis, 573 __DRIcontextPrivate * driContextPriv, 574 void *sharedContextPrivate, 575 struct dd_function_table *functions) 576{ 577 GLcontext *ctx = &intel->ctx; 578 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 579 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 580 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 581 int fthrottle_mode; 582 583 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 584 functions, (void *) intel)) { 585 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 586 return GL_FALSE; 587 } 588 589 driContextPriv->driverPrivate = intel; 590 intel->intelScreen = intelScreen; 591 intel->driScreen = sPriv; 592 intel->sarea = intelScreen->sarea; 593 intel->driContext = driContextPriv; 594 595 /* Dri stuff */ 596 intel->hHWContext = driContextPriv->hHWContext; 597 intel->driFd = sPriv->fd; 598 intel->driHwLock = sPriv->lock; 599 600 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 601 intel->driScreen->myNum, 602 IS_965(intelScreen->deviceID) ? "i965" : "i915"); 603 if (intelScreen->deviceID == PCI_CHIP_I865_G) 604 intel->maxBatchSize = 4096; 605 else 606 intel->maxBatchSize = BATCH_SZ; 607 608 intel->bufmgr = intelScreen->bufmgr; 609 intel->ttm = intelScreen->ttm; 610 if (intel->ttm) { 611 int bo_reuse_mode; 612 613 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 614 switch (bo_reuse_mode) { 615 case DRI_CONF_BO_REUSE_DISABLED: 616 break; 617 case DRI_CONF_BO_REUSE_ALL: 618 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 619 break; 620 } 621 } 622 623 ctx->Const.MaxTextureMaxAnisotropy = 2.0; 624 625 /* This doesn't yet catch all non-conformant rendering, but it's a 626 * start. 627 */ 628 if (getenv("INTEL_STRICT_CONFORMANCE")) { 629 intel->strict_conformance = 1; 630 } 631 632 if (intel->strict_conformance) { 633 ctx->Const.MinLineWidth = 1.0; 634 ctx->Const.MinLineWidthAA = 1.0; 635 ctx->Const.MaxLineWidth = 1.0; 636 ctx->Const.MaxLineWidthAA = 1.0; 637 ctx->Const.LineWidthGranularity = 1.0; 638 } 639 else { 640 ctx->Const.MinLineWidth = 1.0; 641 ctx->Const.MinLineWidthAA = 1.0; 642 ctx->Const.MaxLineWidth = 5.0; 643 ctx->Const.MaxLineWidthAA = 5.0; 644 ctx->Const.LineWidthGranularity = 0.5; 645 } 646 647 ctx->Const.MinPointSize = 1.0; 648 ctx->Const.MinPointSizeAA = 1.0; 649 ctx->Const.MaxPointSize = 255.0; 650 ctx->Const.MaxPointSizeAA = 3.0; 651 ctx->Const.PointSizeGranularity = 1.0; 652 653 /* reinitialize the context point state. 654 * It depend on constants in __GLcontextRec::Const 655 */ 656 _mesa_init_point(ctx); 657 658 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 659 660 /* Initialize the software rasterizer and helper modules. */ 661 _swrast_CreateContext(ctx); 662 _vbo_CreateContext(ctx); 663 _tnl_CreateContext(ctx); 664 _swsetup_CreateContext(ctx); 665 666 /* Configure swrast to match hardware characteristics: */ 667 _swrast_allow_pixel_fog(ctx, GL_FALSE); 668 _swrast_allow_vertex_fog(ctx, GL_TRUE); 669 670 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 671 intel->hw_stipple = 1; 672 673 /* XXX FBO: this doesn't seem to be used anywhere */ 674 switch (mesaVis->depthBits) { 675 case 0: /* what to do in this case? */ 676 case 16: 677 intel->polygon_offset_scale = 1.0; 678 break; 679 case 24: 680 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 681 break; 682 default: 683 assert(0); 684 break; 685 } 686 687 if (IS_965(intelScreen->deviceID)) 688 intel->polygon_offset_scale /= 0xffff; 689 690 intel->RenderIndex = ~0; 691 692 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 693 intel->irqsEmitted = 0; 694 695 intel->do_irqs = (intel->intelScreen->irq_active && 696 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 697 698 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 699 700 _math_matrix_ctr(&intel->ViewportMatrix); 701 702 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { 703 _mesa_printf("IRQs not active. Exiting\n"); 704 exit(1); 705 } 706 707 intelInitExtensions(ctx, GL_FALSE); 708 709 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 710 if (INTEL_DEBUG & DEBUG_BUFMGR) 711 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 712 713 if (!sPriv->dri2.enabled) 714 intel_recreate_static_regions(intel); 715 716 intel->batch = intel_batchbuffer_alloc(intel); 717 718 intel_bufferobj_init(intel); 719 intel_fbo_init(intel); 720 721 if (intel->ctx.Mesa_DXTn) { 722 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 723 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 724 } 725 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 726 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 727 } 728 729 intel->prim.primitive = ~0; 730 731 /* Force all software fallbacks */ 732 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 733 fprintf(stderr, "disabling 3D rasterization\n"); 734 intel->no_rast = 1; 735 } 736 737 /* Disable all hardware rendering (skip emitting batches and fences/waits 738 * to the kernel) 739 */ 740 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 741 742 return GL_TRUE; 743} 744 745void 746intelDestroyContext(__DRIcontextPrivate * driContextPriv) 747{ 748 struct intel_context *intel = 749 (struct intel_context *) driContextPriv->driverPrivate; 750 751 assert(intel); /* should never be null */ 752 if (intel) { 753 GLboolean release_texture_heaps; 754 755 INTEL_FIREVERTICES(intel); 756 757 intel->vtbl.destroy(intel); 758 759 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 760 _swsetup_DestroyContext(&intel->ctx); 761 _tnl_DestroyContext(&intel->ctx); 762 _vbo_DestroyContext(&intel->ctx); 763 764 _swrast_DestroyContext(&intel->ctx); 765 intel->Fallback = 0; /* don't call _swrast_Flush later */ 766 767 intel_batchbuffer_free(intel->batch); 768 intel->batch = NULL; 769 770 free(intel->prim.vb); 771 intel->prim.vb = NULL; 772 dri_bo_unreference(intel->prim.vb_bo); 773 intel->prim.vb_bo = NULL; 774 775 if (release_texture_heaps) { 776 /* This share group is about to go away, free our private 777 * texture object data. 778 */ 779 if (INTEL_DEBUG & DEBUG_TEXTURE) 780 fprintf(stderr, "do something to free texture heaps\n"); 781 } 782 783 intel_region_release(&intel->front_region); 784 intel_region_release(&intel->back_region); 785 intel_region_release(&intel->depth_region); 786 787 driDestroyOptionCache(&intel->optionCache); 788 789 /* free the Mesa context */ 790 _mesa_free_context_data(&intel->ctx); 791 } 792} 793 794GLboolean 795intelUnbindContext(__DRIcontextPrivate * driContextPriv) 796{ 797 return GL_TRUE; 798} 799 800GLboolean 801intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 802 __DRIdrawablePrivate * driDrawPriv, 803 __DRIdrawablePrivate * driReadPriv) 804{ 805 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 806 807 if (driContextPriv) { 808 struct intel_context *intel = 809 (struct intel_context *) driContextPriv->driverPrivate; 810 struct intel_framebuffer *intel_fb = 811 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 812 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 813 814 if (driContextPriv->driScreenPriv->dri2.enabled) { 815 intel_update_renderbuffers(driContextPriv, driDrawPriv); 816 if (driDrawPriv != driReadPriv) 817 intel_update_renderbuffers(driContextPriv, driReadPriv); 818 } else { 819 /* XXX FBO temporary fix-ups! */ 820 /* if the renderbuffers don't have regions, init them from the context */ 821 struct intel_renderbuffer *irbDepth 822 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 823 struct intel_renderbuffer *irbStencil 824 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 825 826 if (intel_fb->color_rb[0]) { 827 intel_renderbuffer_set_region(intel_fb->color_rb[0], 828 intel->front_region); 829 } 830 if (intel_fb->color_rb[1]) { 831 intel_renderbuffer_set_region(intel_fb->color_rb[1], 832 intel->back_region); 833 } 834 835 if (irbDepth) { 836 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 837 } 838 if (irbStencil) { 839 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 840 } 841 } 842 843 /* set GLframebuffer size to match window, if needed */ 844 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 845 846 if (driReadPriv != driDrawPriv) { 847 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 848 } 849 850 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 851 852 /* The drawbuffer won't always be updated by _mesa_make_current: 853 */ 854 if (intel->ctx.DrawBuffer == &intel_fb->Base) { 855 856 if (intel->driReadDrawable != driReadPriv) 857 intel->driReadDrawable = driReadPriv; 858 859 if (intel->driDrawable != driDrawPriv) { 860 if (driDrawPriv->swap_interval == (unsigned)-1) { 861 int i; 862 863 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0) 864 ? driGetDefaultVBlankFlags(&intel->optionCache) 865 : VBLANK_FLAG_NO_IRQ; 866 867 (*psp->systemTime->getUST) (&intel_fb->swap_ust); 868 driDrawableInitVBlank(driDrawPriv); 869 intel_fb->vbl_waited = driDrawPriv->vblSeq; 870 871 for (i = 0; i < 2; i++) { 872 if (intel_fb->color_rb[i]) 873 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq; 874 } 875 } 876 intel->driDrawable = driDrawPriv; 877 intelWindowMoved(intel); 878 } 879 880 intel_draw_buffer(&intel->ctx, &intel_fb->Base); 881 } 882 } 883 else { 884 _mesa_make_current(NULL, NULL, NULL); 885 } 886 887 return GL_TRUE; 888} 889 890static void 891intelContendedLock(struct intel_context *intel, GLuint flags) 892{ 893 __DRIdrawablePrivate *dPriv = intel->driDrawable; 894 __DRIscreenPrivate *sPriv = intel->driScreen; 895 volatile drm_i915_sarea_t *sarea = intel->sarea; 896 int me = intel->hHWContext; 897 898 drmGetLock(intel->driFd, intel->hHWContext, flags); 899 intel->locked = 1; 900 901 if (INTEL_DEBUG & DEBUG_LOCK) 902 _mesa_printf("%s - got contended lock\n", __progname); 903 904 /* If the window moved, may need to set a new cliprect now. 905 * 906 * NOTE: This releases and regains the hw lock, so all state 907 * checking must be done *after* this call: 908 */ 909 if (dPriv) 910 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 911 912 if (sarea && sarea->ctxOwner != me) { 913 if (INTEL_DEBUG & DEBUG_BUFMGR) { 914 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 915 sarea->ctxOwner, me); 916 } 917 sarea->ctxOwner = me; 918 } 919 920 /* If the last consumer of the texture memory wasn't us, notify the fake 921 * bufmgr and record the new owner. We should have the memory shared 922 * between contexts of a single fake bufmgr, but this will at least make 923 * things correct for now. 924 */ 925 if (!intel->ttm && sarea->texAge != intel->hHWContext) { 926 sarea->texAge = intel->hHWContext; 927 intel_bufmgr_fake_contended_lock_take(intel->bufmgr); 928 if (INTEL_DEBUG & DEBUG_BATCH) 929 intel_decode_context_reset(); 930 if (INTEL_DEBUG & DEBUG_BUFMGR) 931 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n", 932 sarea->ctxOwner, intel->hHWContext); 933 } 934 935 /* Drawable changed? 936 */ 937 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 938 intelWindowMoved(intel); 939 intel->lastStamp = dPriv->lastStamp; 940 } 941} 942 943 944_glthread_DECLARE_STATIC_MUTEX(lockMutex); 945 946/* Lock the hardware and validate our state. 947 */ 948void LOCK_HARDWARE( struct intel_context *intel ) 949{ 950 __DRIdrawable *dPriv = intel->driDrawable; 951 __DRIscreen *sPriv = intel->driScreen; 952 char __ret = 0; 953 struct intel_framebuffer *intel_fb = NULL; 954 struct intel_renderbuffer *intel_rb = NULL; 955 956 _glthread_LOCK_MUTEX(lockMutex); 957 assert(!intel->locked); 958 intel->locked = 1; 959 960 if (intel->driDrawable) { 961 intel_fb = intel->driDrawable->driverPrivate; 962 963 if (intel_fb) 964 intel_rb = 965 intel_get_renderbuffer(&intel_fb->Base, 966 intel_fb->Base._ColorDrawBufferIndexes[0]); 967 } 968 969 if (intel_rb && dPriv->vblFlags && 970 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 971 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 972 drmVBlank vbl; 973 974 vbl.request.type = DRM_VBLANK_ABSOLUTE; 975 976 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 977 vbl.request.type |= DRM_VBLANK_SECONDARY; 978 } 979 980 vbl.request.sequence = intel_rb->vbl_pending; 981 drmWaitVBlank(intel->driFd, &vbl); 982 intel_fb->vbl_waited = vbl.reply.sequence; 983 } 984 985 if (!sPriv->dri2.enabled) { 986 DRM_CAS(intel->driHwLock, intel->hHWContext, 987 (DRM_LOCK_HELD|intel->hHWContext), __ret); 988 989 if (__ret) 990 intelContendedLock( intel, 0 ); 991 } 992 993 994 if (INTEL_DEBUG & DEBUG_LOCK) 995 _mesa_printf("%s - locked\n", __progname); 996} 997 998 999/* Unlock the hardware using the global current context 1000 */ 1001void UNLOCK_HARDWARE( struct intel_context *intel ) 1002{ 1003 __DRIscreen *sPriv = intel->driScreen; 1004 1005 intel->vtbl.note_unlock( intel ); 1006 intel->locked = 0; 1007 1008 if (!sPriv->dri2.enabled) 1009 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1010 1011 _glthread_UNLOCK_MUTEX(lockMutex); 1012 1013 if (INTEL_DEBUG & DEBUG_LOCK) 1014 _mesa_printf("%s - unlocked\n", __progname); 1015 1016 /** 1017 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1018 * cliprects. 1019 */ 1020 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1021 intel_batchbuffer_flush(intel->batch); 1022} 1023 1024