1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
32 #include "simple_list.h"
33 #include "extensions.h"
34 #include "framebuffer.h"
37 #include "swrast/swrast.h"
38 #include "swrast_setup/swrast_setup.h"
41 #include "tnl/t_pipeline.h"
42 #include "tnl/t_vertex.h"
44 #include "drivers/common/driverfuncs.h"
46 #include "intel_screen.h"
50 #include "intel_buffers.h"
51 #include "intel_tex.h"
52 #include "intel_span.h"
53 #include "intel_tris.h"
54 #include "intel_ioctl.h"
55 #include "intel_batchbuffer.h"
56 #include "intel_blit.h"
57 #include "intel_pixel.h"
58 #include "intel_regions.h"
59 #include "intel_buffer_objects.h"
60 #include "intel_fbo.h"
62 #include "drirenderbuffer.h"
65 #include "xmlpool.h" /* for symbolic values of enum-type options */
67 int INTEL_DEBUG
= (0);
70 #define need_GL_ARB_multisample
71 #define need_GL_ARB_point_parameters
72 #define need_GL_ARB_texture_compression
73 #define need_GL_ARB_vertex_buffer_object
74 #define need_GL_ARB_vertex_program
75 #define need_GL_ARB_window_pos
76 #define need_GL_EXT_blend_color
77 #define need_GL_EXT_blend_equation_separate
78 #define need_GL_EXT_blend_func_separate
79 #define need_GL_EXT_blend_minmax
80 #define need_GL_EXT_cull_vertex
81 #define need_GL_EXT_fog_coord
82 #define need_GL_EXT_framebuffer_object
83 #define need_GL_EXT_multi_draw_arrays
84 #define need_GL_EXT_secondary_color
85 #define need_GL_NV_vertex_program
86 #include "extension_helper.h"
89 #define DRIVER_DATE "20061102"
91 _glthread_Mutex lockMutex
;
92 static GLboolean lockMutexInit
= GL_FALSE
;
95 static const GLubyte
*
96 intelGetString(GLcontext
* ctx
, GLenum name
)
99 static char buffer
[128];
103 return (GLubyte
*) "Tungsten Graphics, Inc";
107 switch (intel_context(ctx
)->intelScreen
->deviceID
) {
109 chipset
= "Intel(R) 845G";
111 case PCI_CHIP_I830_M
:
112 chipset
= "Intel(R) 830M";
114 case PCI_CHIP_I855_GM
:
115 chipset
= "Intel(R) 852GM/855GM";
117 case PCI_CHIP_I865_G
:
118 chipset
= "Intel(R) 865G";
120 case PCI_CHIP_I915_G
:
121 chipset
= "Intel(R) 915G";
123 case PCI_CHIP_I915_GM
:
124 chipset
= "Intel(R) 915GM";
126 case PCI_CHIP_I945_G
:
127 chipset
= "Intel(R) 945G";
129 case PCI_CHIP_I945_GM
:
130 chipset
= "Intel(R) 945GM";
133 chipset
= "Unknown Intel Chipset";
137 (void) driGetRendererString(buffer
, chipset
, DRIVER_DATE
, 0);
138 return (GLubyte
*) buffer
;
147 * Extension strings exported by the intel driver.
150 * It appears that ARB_texture_env_crossbar has "disappeared" compared to the
151 * old i830-specific driver.
153 const struct dri_extension card_extensions
[] = {
154 {"GL_ARB_multisample", GL_ARB_multisample_functions
},
155 {"GL_ARB_multitexture", NULL
},
156 {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
157 {"GL_ARB_texture_border_clamp", NULL
},
158 {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
159 {"GL_ARB_texture_cube_map", NULL
},
160 {"GL_ARB_texture_env_add", NULL
},
161 {"GL_ARB_texture_env_combine", NULL
},
162 {"GL_ARB_texture_env_dot3", NULL
},
163 {"GL_ARB_texture_mirrored_repeat", NULL
},
164 {"GL_ARB_texture_rectangle", NULL
},
165 {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
166 {"GL_ARB_pixel_buffer_object", NULL
},
167 {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions
},
168 {"GL_ARB_window_pos", GL_ARB_window_pos_functions
},
169 {"GL_EXT_blend_color", GL_EXT_blend_color_functions
},
170 {"GL_EXT_blend_equation_separate",
171 GL_EXT_blend_equation_separate_functions
},
172 {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
173 {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
174 {"GL_EXT_blend_subtract", NULL
},
175 {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions
},
176 {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions
},
177 {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions
},
178 {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions
},
179 #if 1 /* XXX FBO temporary? */
180 {"GL_EXT_packed_depth_stencil", NULL
},
182 {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
183 {"GL_EXT_stencil_wrap", NULL
},
184 {"GL_EXT_texture_edge_clamp", NULL
},
185 {"GL_EXT_texture_env_combine", NULL
},
186 {"GL_EXT_texture_env_dot3", NULL
},
187 {"GL_EXT_texture_filter_anisotropic", NULL
},
188 {"GL_EXT_texture_lod_bias", NULL
},
189 {"GL_3DFX_texture_compression_FXT1", NULL
},
190 {"GL_APPLE_client_storage", NULL
},
191 {"GL_MESA_pack_invert", NULL
},
192 {"GL_MESA_ycbcr_texture", NULL
},
193 {"GL_NV_blend_square", NULL
},
194 {"GL_NV_vertex_program", GL_NV_vertex_program_functions
},
195 {"GL_NV_vertex_program1_1", NULL
},
196 /* { "GL_SGIS_generate_mipmap", NULL }, */
200 extern const struct tnl_pipeline_stage _intel_render_stage
;
202 static const struct tnl_pipeline_stage
*intel_pipeline
[] = {
203 &_tnl_vertex_transform_stage
,
204 &_tnl_vertex_cull_stage
,
205 &_tnl_normal_transform_stage
,
206 &_tnl_lighting_stage
,
207 &_tnl_fog_coordinate_stage
,
209 &_tnl_texture_transform_stage
,
210 &_tnl_point_attenuation_stage
,
211 &_tnl_arb_vertex_program_stage
,
212 &_tnl_vertex_program_stage
,
214 &_intel_render_stage
, /* ADD: unclipped rastersetup-to-dma */
221 static const struct dri_debug_control debug_control
[] = {
222 {"tex", DEBUG_TEXTURE
},
223 {"state", DEBUG_STATE
},
224 {"ioctl", DEBUG_IOCTL
},
225 {"blit", DEBUG_BLIT
},
226 {"mip", DEBUG_MIPTREE
},
227 {"fall", DEBUG_FALLBACKS
},
228 {"verb", DEBUG_VERBOSE
},
229 {"bat", DEBUG_BATCH
},
230 {"pix", DEBUG_PIXEL
},
231 {"buf", DEBUG_BUFMGR
},
232 {"reg", DEBUG_REGION
},
234 {"lock", DEBUG_LOCK
},
240 intelInvalidateState(GLcontext
* ctx
, GLuint new_state
)
242 _swrast_InvalidateState(ctx
, new_state
);
243 _swsetup_InvalidateState(ctx
, new_state
);
244 _vbo_InvalidateState(ctx
, new_state
);
245 _tnl_InvalidateState(ctx
, new_state
);
246 _tnl_invalidate_vertex_state(ctx
, new_state
);
247 intel_context(ctx
)->NewGLState
|= new_state
;
252 intelFlush(GLcontext
* ctx
)
254 struct intel_context
*intel
= intel_context(ctx
);
259 INTEL_FIREVERTICES(intel
);
261 if (intel
->batch
->map
!= intel
->batch
->ptr
)
262 intel_batchbuffer_flush(intel
->batch
);
264 /* XXX: Need to do an MI_FLUSH here.
270 * Check if we need to rotate/warp the front color buffer to the
271 * rotated screen. We generally need to do this when we get a glFlush
272 * or glFinish after drawing to the front color buffer.
275 intelCheckFrontRotate(GLcontext
* ctx
)
277 struct intel_context
*intel
= intel_context(ctx
);
278 if (intel
->ctx
.DrawBuffer
->_ColorDrawBufferMask
[0] ==
279 BUFFER_BIT_FRONT_LEFT
) {
280 intelScreenPrivate
*screen
= intel
->intelScreen
;
281 if (screen
->current_rotation
!= 0) {
282 __DRIdrawablePrivate
*dPriv
= intel
->driDrawable
;
283 intelRotateWindow(intel
, dPriv
, BUFFER_BIT_FRONT_LEFT
);
290 * Called via glFlush.
293 intelglFlush(GLcontext
* ctx
)
296 intelCheckFrontRotate(ctx
);
300 intelFinish(GLcontext
* ctx
)
302 struct intel_context
*intel
= intel_context(ctx
);
304 if (intel
->batch
->last_fence
) {
305 driFenceFinish(intel
->batch
->last_fence
,
307 driFenceUnReference(intel
->batch
->last_fence
);
308 intel
->batch
->last_fence
= NULL
;
310 intelCheckFrontRotate(ctx
);
315 intelInitDriverFunctions(struct dd_function_table
*functions
)
317 _mesa_init_driver_functions(functions
);
319 functions
->Flush
= intelglFlush
;
320 functions
->Finish
= intelFinish
;
321 functions
->GetString
= intelGetString
;
322 functions
->UpdateState
= intelInvalidateState
;
323 functions
->CopyColorTable
= _swrast_CopyColorTable
;
324 functions
->CopyColorSubTable
= _swrast_CopyColorSubTable
;
325 functions
->CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
326 functions
->CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;
328 intelInitTextureFuncs(functions
);
329 intelInitPixelFuncs(functions
);
330 intelInitStateFuncs(functions
);
331 intelInitBufferFuncs(functions
);
336 intelInitContext(struct intel_context
*intel
,
337 const __GLcontextModes
* mesaVis
,
338 __DRIcontextPrivate
* driContextPriv
,
339 void *sharedContextPrivate
,
340 struct dd_function_table
*functions
)
342 GLcontext
*ctx
= &intel
->ctx
;
343 GLcontext
*shareCtx
= (GLcontext
*) sharedContextPrivate
;
344 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
345 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
346 drmI830Sarea
*saPriv
= (drmI830Sarea
*)
347 (((GLubyte
*) sPriv
->pSAREA
) + intelScreen
->sarea_priv_offset
);
350 if (!_mesa_initialize_context(&intel
->ctx
,
352 functions
, (void *) intel
))
355 driContextPriv
->driverPrivate
= intel
;
356 intel
->intelScreen
= intelScreen
;
357 intel
->driScreen
= sPriv
;
358 intel
->sarea
= saPriv
;
360 intel
->width
= intelScreen
->width
;
361 intel
->height
= intelScreen
->height
;
362 intel
->current_rotation
= intelScreen
->current_rotation
;
364 if (!lockMutexInit
) {
365 lockMutexInit
= GL_TRUE
;
366 _glthread_INIT_MUTEX(lockMutex
);
369 driParseConfigFiles(&intel
->optionCache
, &intelScreen
->optionCache
,
370 intel
->driScreen
->myNum
, "i915");
372 ctx
->Const
.MaxTextureMaxAnisotropy
= 2.0;
374 /* This doesn't yet catch all non-conformant rendering, but it's a
377 if (getenv("INTEL_STRICT_CONFORMANCE")) {
378 intel
->strict_conformance
= 1;
381 ctx
->Const
.MinLineWidth
= 1.0;
382 ctx
->Const
.MinLineWidthAA
= 1.0;
383 ctx
->Const
.MaxLineWidth
= 3.0;
384 ctx
->Const
.MaxLineWidthAA
= 3.0;
385 ctx
->Const
.LineWidthGranularity
= 1.0;
387 ctx
->Const
.MinPointSize
= 1.0;
388 ctx
->Const
.MinPointSizeAA
= 1.0;
389 ctx
->Const
.MaxPointSize
= 255.0;
390 ctx
->Const
.MaxPointSizeAA
= 3.0;
391 ctx
->Const
.PointSizeGranularity
= 1.0;
393 ctx
->Const
.MaxColorAttachments
= 4; /* XXX FBO: review this */
395 /* Initialize the software rasterizer and helper modules. */
396 _swrast_CreateContext(ctx
);
397 _vbo_CreateContext(ctx
);
398 _tnl_CreateContext(ctx
);
399 _swsetup_CreateContext(ctx
);
401 /* Install the customized pipeline: */
402 _tnl_destroy_pipeline(ctx
);
403 _tnl_install_pipeline(ctx
, intel_pipeline
);
405 /* Configure swrast to match hardware characteristics: */
406 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
407 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
410 intel
->hHWContext
= driContextPriv
->hHWContext
;
411 intel
->driFd
= sPriv
->fd
;
412 intel
->driHwLock
= (drmLock
*) & sPriv
->pSAREA
->lock
;
414 intel
->hw_stipple
= 1;
416 /* XXX FBO: this doesn't seem to be used anywhere */
417 switch (mesaVis
->depthBits
) {
418 case 0: /* what to do in this case? */
420 intel
->polygon_offset_scale
= 1.0 / 0xffff;
423 intel
->polygon_offset_scale
= 2.0 / 0xffffff; /* req'd to pass glean */
430 /* Initialize swrast, tnl driver tables: */
431 intelInitSpanFuncs(ctx
);
432 intelInitTriFuncs(ctx
);
435 intel
->RenderIndex
= ~0;
437 fthrottle_mode
= driQueryOptioni(&intel
->optionCache
, "fthrottle_mode");
438 intel
->iw
.irq_seq
= -1;
439 intel
->irqsEmitted
= 0;
441 intel
->do_irqs
= (intel
->intelScreen
->irq_active
&&
442 fthrottle_mode
== DRI_CONF_FTHROTTLE_IRQS
);
444 intel
->do_usleeps
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_USLEEPS
);
446 _math_matrix_ctr(&intel
->ViewportMatrix
);
448 /* Disable imaging extension until convolution is working in
451 driInitExtensions(ctx
, card_extensions
,
456 intel
->batch
= intel_batchbuffer_alloc(intel
);
457 intel
->last_swap_fence
= NULL
;
458 intel
->first_swap_fence
= NULL
;
460 intel_bufferobj_init(intel
);
461 intel_fbo_init(intel
);
463 if (intel
->ctx
.Mesa_DXTn
) {
464 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
465 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
467 else if (driQueryOptionb(&intel
->optionCache
, "force_s3tc_enable")) {
468 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
471 intel
->prim
.primitive
= ~0;
475 INTEL_DEBUG
= driParseDebugString(getenv("INTEL_DEBUG"), debug_control
);
478 if (getenv("INTEL_NO_RAST")) {
479 fprintf(stderr
, "disabling 3D rasterization\n");
480 FALLBACK(intel
, INTEL_FALLBACK_USER
, 1);
487 intelDestroyContext(__DRIcontextPrivate
* driContextPriv
)
489 struct intel_context
*intel
=
490 (struct intel_context
*) driContextPriv
->driverPrivate
;
492 assert(intel
); /* should never be null */
494 GLboolean release_texture_heaps
;
496 INTEL_FIREVERTICES(intel
);
498 intel
->vtbl
.destroy(intel
);
500 release_texture_heaps
= (intel
->ctx
.Shared
->RefCount
== 1);
501 _swsetup_DestroyContext(&intel
->ctx
);
502 _tnl_DestroyContext(&intel
->ctx
);
503 _vbo_DestroyContext(&intel
->ctx
);
505 _swrast_DestroyContext(&intel
->ctx
);
506 intel
->Fallback
= 0; /* don't call _swrast_Flush later */
508 intel_batchbuffer_free(intel
->batch
);
510 if (intel
->last_swap_fence
) {
511 driFenceFinish(intel
->last_swap_fence
, DRM_FENCE_TYPE_EXE
, GL_TRUE
);
512 driFenceUnReference(intel
->last_swap_fence
);
513 intel
->last_swap_fence
= NULL
;
515 if (intel
->first_swap_fence
) {
516 driFenceFinish(intel
->first_swap_fence
, DRM_FENCE_TYPE_EXE
, GL_TRUE
);
517 driFenceUnReference(intel
->first_swap_fence
);
518 intel
->first_swap_fence
= NULL
;
522 if (release_texture_heaps
) {
523 /* This share group is about to go away, free our private
524 * texture object data.
526 if (INTEL_DEBUG
& DEBUG_TEXTURE
)
527 fprintf(stderr
, "do something to free texture heaps\n");
530 /* free the Mesa context */
531 _mesa_free_context_data(&intel
->ctx
);
536 intelUnbindContext(__DRIcontextPrivate
* driContextPriv
)
542 intelMakeCurrent(__DRIcontextPrivate
* driContextPriv
,
543 __DRIdrawablePrivate
* driDrawPriv
,
544 __DRIdrawablePrivate
* driReadPriv
)
547 if (driContextPriv
) {
548 struct intel_context
*intel
=
549 (struct intel_context
*) driContextPriv
->driverPrivate
;
550 struct intel_framebuffer
*intel_fb
=
551 (struct intel_framebuffer
*) driDrawPriv
->driverPrivate
;
552 GLframebuffer
*readFb
= (GLframebuffer
*) driReadPriv
->driverPrivate
;
555 /* XXX FBO temporary fix-ups! */
556 /* if the renderbuffers don't have regions, init them from the context */
558 struct intel_renderbuffer
*irbDepth
559 = intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_DEPTH
);
560 struct intel_renderbuffer
*irbStencil
561 = intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_STENCIL
);
563 if (intel_fb
->color_rb
[0] && !intel_fb
->color_rb
[0]->region
) {
564 intel_region_reference(&intel_fb
->color_rb
[0]->region
,
565 intel
->intelScreen
->front_region
);
567 if (intel_fb
->color_rb
[1] && !intel_fb
->color_rb
[1]->region
) {
568 intel_region_reference(&intel_fb
->color_rb
[1]->region
,
569 intel
->intelScreen
->back_region
);
571 if (intel_fb
->color_rb
[2] && !intel_fb
->color_rb
[2]->region
) {
572 intel_region_reference(&intel_fb
->color_rb
[2]->region
,
573 intel
->intelScreen
->third_region
);
575 if (irbDepth
&& !irbDepth
->region
) {
576 intel_region_reference(&irbDepth
->region
, intel
->intelScreen
->depth_region
);
578 if (irbStencil
&& !irbStencil
->region
) {
579 intel_region_reference(&irbStencil
->region
, intel
->intelScreen
->depth_region
);
583 _mesa_make_current(&intel
->ctx
, &intel_fb
->Base
, readFb
);
585 /* The drawbuffer won't always be updated by _mesa_make_current:
587 if (intel
->ctx
.DrawBuffer
== &intel_fb
->Base
) {
589 if (intel
->driDrawable
!= driDrawPriv
) {
590 intel_fb
->vblank_flags
= (intel
->intelScreen
->irq_active
!= 0)
591 ? driGetDefaultVBlankFlags(&intel
->optionCache
)
592 : VBLANK_FLAG_NO_IRQ
;
593 (*dri_interface
->getUST
) (&intel_fb
->swap_ust
);
594 driDrawableInitVBlank(driDrawPriv
, intel_fb
->vblank_flags
,
596 intel
->driDrawable
= driDrawPriv
;
597 intelWindowMoved(intel
);
600 intel_draw_buffer(&intel
->ctx
, &intel_fb
->Base
);
603 /* set initial GLframebuffer size to match window, if needed */
604 if (&intel_fb
->Base
.Width
== 0 && driDrawPriv
->w
) {
605 _mesa_resize_framebuffer(&intel
->ctx
, &intel_fb
->Base
,
606 driDrawPriv
->w
, driDrawPriv
->h
);
608 if (readFb
->Width
== 0 && driReadPriv
->w
) {
609 _mesa_resize_framebuffer(&intel
->ctx
, readFb
,
610 driReadPriv
->w
, driReadPriv
->h
);
614 _mesa_make_current(NULL
, NULL
, NULL
);
621 intelContendedLock(struct intel_context
*intel
, GLuint flags
)
623 __DRIdrawablePrivate
*dPriv
= intel
->driDrawable
;
624 __DRIscreenPrivate
*sPriv
= intel
->driScreen
;
625 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
626 drmI830Sarea
*sarea
= intel
->sarea
;
628 drmGetLock(intel
->driFd
, intel
->hHWContext
, flags
);
630 if (INTEL_DEBUG
& DEBUG_LOCK
)
631 _mesa_printf("%s - got contended lock\n", __progname
);
633 /* If the window moved, may need to set a new cliprect now.
635 * NOTE: This releases and regains the hw lock, so all state
636 * checking must be done *after* this call:
639 DRI_VALIDATE_DRAWABLE_INFO(sPriv
, dPriv
);
641 if (sarea
->width
!= intelScreen
->width
||
642 sarea
->height
!= intelScreen
->height
||
643 sarea
->rotation
!= intelScreen
->current_rotation
) {
645 intelUpdateScreenRotation(sPriv
, sarea
);
648 if (sarea
->width
!= intel
->width
||
649 sarea
->height
!= intel
->height
||
650 sarea
->rotation
!= intel
->current_rotation
) {
652 void *batchMap
= intel
->batch
->map
;
655 * FIXME: Really only need to do this when drawing to a
656 * common back- or front buffer.
660 * This will drop the outstanding batchbuffer on the floor
663 if (batchMap
!= NULL
) {
664 driBOUnmap(intel
->batch
->buffer
);
665 intel
->batch
->map
= NULL
;
668 intel_batchbuffer_reset(intel
->batch
);
670 if (batchMap
== NULL
) {
671 driBOUnmap(intel
->batch
->buffer
);
672 intel
->batch
->map
= NULL
;
675 /* lose all primitives */
676 intel
->prim
.primitive
= ~0;
677 intel
->prim
.start_ptr
= 0;
678 intel
->prim
.flush
= 0;
680 /* re-emit all state */
681 intel
->vtbl
.lost_hardware(intel
);
683 /* force window update */
684 intel
->lastStamp
= 0;
686 intel
->width
= sarea
->width
;
687 intel
->height
= sarea
->height
;
688 intel
->current_rotation
= sarea
->rotation
;
693 if (dPriv
&& intel
->lastStamp
!= dPriv
->lastStamp
) {
694 intelWindowMoved(intel
);
695 intel
->lastStamp
= dPriv
->lastStamp
;
701 /* Lock the hardware and validate our state.
703 void LOCK_HARDWARE( struct intel_context
*intel
)
706 struct intel_framebuffer
*intel_fb
= NULL
;
707 struct intel_renderbuffer
*intel_rb
= NULL
;
708 _glthread_LOCK_MUTEX(lockMutex
);
709 assert(!intel
->locked
);
711 if (intel
->driDrawable
) {
712 intel_fb
= intel
->driDrawable
->driverPrivate
;
716 intel_get_renderbuffer(&intel_fb
->Base
,
717 intel_fb
->Base
._ColorDrawBufferMask
[0] ==
718 BUFFER_BIT_FRONT_LEFT
? BUFFER_FRONT_LEFT
:
722 if (intel_rb
&& (intel_fb
->vbl_waited
- intel_rb
->vbl_pending
) > (1<<23)) {
725 vbl
.request
.type
= DRM_VBLANK_ABSOLUTE
;
727 if ( intel_fb
->vblank_flags
& VBLANK_FLAG_SECONDARY
) {
728 vbl
.request
.type
|= DRM_VBLANK_SECONDARY
;
731 vbl
.request
.sequence
= intel_rb
->vbl_pending
;
732 drmWaitVBlank(intel
->driFd
, &vbl
);
733 intel_fb
->vbl_waited
= intel_rb
->vbl_pending
;
736 DRM_CAS(intel
->driHwLock
, intel
->hHWContext
,
737 (DRM_LOCK_HELD
|intel
->hHWContext
), __ret
);
740 intelContendedLock( intel
, 0 );
742 if (INTEL_DEBUG
& DEBUG_LOCK
)
743 _mesa_printf("%s - locked\n", __progname
);
749 /* Unlock the hardware using the global current context
751 void UNLOCK_HARDWARE( struct intel_context
*intel
)
755 DRM_UNLOCK(intel
->driFd
, intel
->driHwLock
, intel
->hHWContext
);
757 _glthread_UNLOCK_MUTEX(lockMutex
);
759 if (INTEL_DEBUG
& DEBUG_LOCK
)
760 _mesa_printf("%s - unlocked\n", __progname
);