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"
38 #include "swrast/swrast.h"
39 #include "swrast_setup/swrast_setup.h"
42 #include "tnl/t_pipeline.h"
43 #include "tnl/t_vertex.h"
45 #include "drivers/common/driverfuncs.h"
47 #include "intel_screen.h"
51 #include "intel_buffers.h"
52 #include "intel_tex.h"
53 #include "intel_span.h"
54 #include "intel_tris.h"
55 #include "intel_ioctl.h"
56 #include "intel_batchbuffer.h"
57 #include "intel_blit.h"
58 #include "intel_pixel.h"
59 #include "intel_regions.h"
60 #include "intel_buffer_objects.h"
61 #include "intel_fbo.h"
63 #include "drirenderbuffer.h"
66 #include "xmlpool.h" /* for symbolic values of enum-type options */
68 int INTEL_DEBUG
= (0);
71 #define need_GL_ARB_multisample
72 #define need_GL_ARB_point_parameters
73 #define need_GL_ARB_texture_compression
74 #define need_GL_ARB_vertex_buffer_object
75 #define need_GL_ARB_vertex_program
76 #define need_GL_ARB_window_pos
77 #define need_GL_EXT_blend_color
78 #define need_GL_EXT_blend_equation_separate
79 #define need_GL_EXT_blend_func_separate
80 #define need_GL_EXT_blend_minmax
81 #define need_GL_EXT_cull_vertex
82 #define need_GL_EXT_fog_coord
83 #define need_GL_EXT_framebuffer_object
84 #define need_GL_EXT_multi_draw_arrays
85 #define need_GL_EXT_secondary_color
86 #define need_GL_NV_vertex_program
87 #include "extension_helper.h"
90 #define DRIVER_DATE "20061102"
92 _glthread_Mutex lockMutex
;
93 static GLboolean lockMutexInit
= GL_FALSE
;
96 static const GLubyte
*
97 intelGetString(GLcontext
* ctx
, GLenum name
)
100 static char buffer
[128];
104 return (GLubyte
*) "Tungsten Graphics, Inc";
108 switch (intel_context(ctx
)->intelScreen
->deviceID
) {
110 chipset
= "Intel(R) 845G";
112 case PCI_CHIP_I830_M
:
113 chipset
= "Intel(R) 830M";
115 case PCI_CHIP_I855_GM
:
116 chipset
= "Intel(R) 852GM/855GM";
118 case PCI_CHIP_I865_G
:
119 chipset
= "Intel(R) 865G";
121 case PCI_CHIP_I915_G
:
122 chipset
= "Intel(R) 915G";
124 case PCI_CHIP_I915_GM
:
125 chipset
= "Intel(R) 915GM";
127 case PCI_CHIP_I945_G
:
128 chipset
= "Intel(R) 945G";
130 case PCI_CHIP_I945_GM
:
131 chipset
= "Intel(R) 945GM";
133 case PCI_CHIP_I945_GME
:
134 chipset
= "Intel(R) 945GME";
137 chipset
= "Intel(R) G33";
140 chipset
= "Intel(R) Q35";
143 chipset
= "Intel(R) Q33";
146 chipset
= "Unknown Intel Chipset";
150 (void) driGetRendererString(buffer
, chipset
, DRIVER_DATE
, 0);
151 return (GLubyte
*) buffer
;
160 * Extension strings exported by the intel driver.
163 * It appears that ARB_texture_env_crossbar has "disappeared" compared to the
164 * old i830-specific driver.
166 const struct dri_extension card_extensions
[] = {
167 {"GL_ARB_multisample", GL_ARB_multisample_functions
},
168 {"GL_ARB_multitexture", NULL
},
169 {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
170 {"GL_ARB_texture_border_clamp", NULL
},
171 {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
172 {"GL_ARB_texture_cube_map", NULL
},
173 {"GL_ARB_texture_env_add", NULL
},
174 {"GL_ARB_texture_env_combine", NULL
},
175 {"GL_ARB_texture_env_dot3", NULL
},
176 {"GL_ARB_texture_mirrored_repeat", NULL
},
177 {"GL_ARB_texture_rectangle", NULL
},
178 {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
179 {"GL_ARB_pixel_buffer_object", NULL
},
180 {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions
},
181 {"GL_ARB_window_pos", GL_ARB_window_pos_functions
},
182 {"GL_EXT_blend_color", GL_EXT_blend_color_functions
},
183 {"GL_EXT_blend_equation_separate",
184 GL_EXT_blend_equation_separate_functions
},
185 {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
186 {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
187 {"GL_EXT_blend_subtract", NULL
},
188 {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions
},
189 {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions
},
190 {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions
},
191 {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions
},
192 #if 1 /* XXX FBO temporary? */
193 {"GL_EXT_packed_depth_stencil", NULL
},
195 {"GL_EXT_pixel_buffer_object", NULL
},
196 {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
197 {"GL_EXT_stencil_wrap", NULL
},
198 {"GL_EXT_texture_edge_clamp", NULL
},
199 {"GL_EXT_texture_env_combine", NULL
},
200 {"GL_EXT_texture_env_dot3", NULL
},
201 {"GL_EXT_texture_filter_anisotropic", NULL
},
202 {"GL_EXT_texture_lod_bias", NULL
},
203 {"GL_3DFX_texture_compression_FXT1", NULL
},
204 {"GL_APPLE_client_storage", NULL
},
205 {"GL_MESA_pack_invert", NULL
},
206 {"GL_MESA_ycbcr_texture", NULL
},
207 {"GL_NV_blend_square", NULL
},
208 {"GL_NV_vertex_program", GL_NV_vertex_program_functions
},
209 {"GL_NV_vertex_program1_1", NULL
},
210 /* { "GL_SGIS_generate_mipmap", NULL }, */
214 extern const struct tnl_pipeline_stage _intel_render_stage
;
216 static const struct tnl_pipeline_stage
*intel_pipeline
[] = {
217 &_tnl_vertex_transform_stage
,
218 &_tnl_vertex_cull_stage
,
219 &_tnl_normal_transform_stage
,
220 &_tnl_lighting_stage
,
221 &_tnl_fog_coordinate_stage
,
223 &_tnl_texture_transform_stage
,
224 &_tnl_point_attenuation_stage
,
225 &_tnl_vertex_program_stage
,
227 &_intel_render_stage
, /* ADD: unclipped rastersetup-to-dma */
234 static const struct dri_debug_control debug_control
[] = {
235 {"tex", DEBUG_TEXTURE
},
236 {"state", DEBUG_STATE
},
237 {"ioctl", DEBUG_IOCTL
},
238 {"blit", DEBUG_BLIT
},
239 {"mip", DEBUG_MIPTREE
},
240 {"fall", DEBUG_FALLBACKS
},
241 {"verb", DEBUG_VERBOSE
},
242 {"bat", DEBUG_BATCH
},
243 {"pix", DEBUG_PIXEL
},
244 {"buf", DEBUG_BUFMGR
},
245 {"reg", DEBUG_REGION
},
247 {"lock", DEBUG_LOCK
},
253 intelInvalidateState(GLcontext
* ctx
, GLuint new_state
)
255 _swrast_InvalidateState(ctx
, new_state
);
256 _swsetup_InvalidateState(ctx
, new_state
);
257 _vbo_InvalidateState(ctx
, new_state
);
258 _tnl_InvalidateState(ctx
, new_state
);
259 _tnl_invalidate_vertex_state(ctx
, new_state
);
260 intel_context(ctx
)->NewGLState
|= new_state
;
265 intelFlush(GLcontext
* ctx
)
267 struct intel_context
*intel
= intel_context(ctx
);
272 INTEL_FIREVERTICES(intel
);
274 if (intel
->batch
->map
!= intel
->batch
->ptr
)
275 intel_batchbuffer_flush(intel
->batch
);
277 /* XXX: Need to do an MI_FLUSH here.
283 * Check if we need to rotate/warp the front color buffer to the
284 * rotated screen. We generally need to do this when we get a glFlush
285 * or glFinish after drawing to the front color buffer.
286 * If no rotation, just copy the private fake front buffer to the real one.
289 intelCheckFrontUpdate(GLcontext
* ctx
)
291 struct intel_context
*intel
= intel_context(ctx
);
292 /* rely on _ColorDrawBufferMask being kept up to date by mesa
293 even for window-fbos. */
294 /* not sure. Might need that for all masks including
295 BUFFER_BIT_FRONT_LEFT maybe? */
296 if (intel
->ctx
.DrawBuffer
->_ColorDrawBufferMask
[0] ==
297 BUFFER_BIT_FRONT_LEFT
) {
298 intelScreenPrivate
*screen
= intel
->intelScreen
;
299 __DRIdrawablePrivate
*dPriv
= intel
->driDrawable
;
300 if (screen
->current_rotation
!= 0) {
301 intelRotateWindow(intel
, dPriv
, BUFFER_BIT_FRONT_LEFT
);
304 intelCopyBuffer(dPriv
, NULL
);
311 * Called via glFlush.
314 intelglFlush(GLcontext
* ctx
)
317 intelCheckFrontUpdate(ctx
);
321 intelFinish(GLcontext
* ctx
)
323 struct intel_context
*intel
= intel_context(ctx
);
325 if (intel
->batch
->last_fence
) {
326 driFenceFinish(intel
->batch
->last_fence
,
328 driFenceUnReference(intel
->batch
->last_fence
);
329 intel
->batch
->last_fence
= NULL
;
331 intelCheckFrontUpdate(ctx
);
336 intelInitDriverFunctions(struct dd_function_table
*functions
)
338 _mesa_init_driver_functions(functions
);
340 functions
->Flush
= intelglFlush
;
341 functions
->Finish
= intelFinish
;
342 functions
->GetString
= intelGetString
;
343 functions
->UpdateState
= intelInvalidateState
;
344 functions
->CopyColorTable
= _swrast_CopyColorTable
;
345 functions
->CopyColorSubTable
= _swrast_CopyColorSubTable
;
346 functions
->CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
347 functions
->CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;
349 intelInitTextureFuncs(functions
);
350 intelInitPixelFuncs(functions
);
351 intelInitStateFuncs(functions
);
352 intelInitBufferFuncs(functions
);
357 intelInitContext(struct intel_context
*intel
,
358 const __GLcontextModes
* mesaVis
,
359 __DRIcontextPrivate
* driContextPriv
,
360 void *sharedContextPrivate
,
361 struct dd_function_table
*functions
)
363 GLcontext
*ctx
= &intel
->ctx
;
364 GLcontext
*shareCtx
= (GLcontext
*) sharedContextPrivate
;
365 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
366 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
367 drmI830Sarea
*saPriv
= (drmI830Sarea
*)
368 (((GLubyte
*) sPriv
->pSAREA
) + intelScreen
->sarea_priv_offset
);
372 DRM_LIGHT_LOCK(sPriv
->fd
, &sPriv
->pSAREA
->lock
, driContextPriv
->hHWContext
);
373 havePools
= intelCreatePools(intelScreen
);
374 DRM_UNLOCK(sPriv
->fd
, &sPriv
->pSAREA
->lock
, driContextPriv
->hHWContext
);
379 if (!_mesa_initialize_context(&intel
->ctx
,
381 functions
, (void *) intel
))
384 driContextPriv
->driverPrivate
= intel
;
385 intel
->intelScreen
= intelScreen
;
386 intel
->driScreen
= sPriv
;
387 intel
->sarea
= saPriv
;
389 intel
->width
= intelScreen
->width
;
390 intel
->height
= intelScreen
->height
;
391 intel
->current_rotation
= intelScreen
->current_rotation
;
393 if (!lockMutexInit
) {
394 lockMutexInit
= GL_TRUE
;
395 _glthread_INIT_MUTEX(lockMutex
);
398 driParseConfigFiles(&intel
->optionCache
, &intelScreen
->optionCache
,
399 intel
->driScreen
->myNum
, "i915");
401 ctx
->Const
.MaxTextureMaxAnisotropy
= 2.0;
403 /* This doesn't yet catch all non-conformant rendering, but it's a
406 if (getenv("INTEL_STRICT_CONFORMANCE")) {
407 intel
->strict_conformance
= 1;
410 ctx
->Const
.MinLineWidth
= 1.0;
411 ctx
->Const
.MinLineWidthAA
= 1.0;
412 ctx
->Const
.MaxLineWidth
= 3.0;
413 ctx
->Const
.MaxLineWidthAA
= 3.0;
414 ctx
->Const
.LineWidthGranularity
= 1.0;
416 ctx
->Const
.MinPointSize
= 1.0;
417 ctx
->Const
.MinPointSizeAA
= 1.0;
418 ctx
->Const
.MaxPointSize
= 255.0;
419 ctx
->Const
.MaxPointSizeAA
= 3.0;
420 ctx
->Const
.PointSizeGranularity
= 1.0;
422 /* reinitialize the context point state.
423 * It depend on constants in __GLcontextRec::Const
425 _mesa_init_point(ctx
);
427 ctx
->Const
.MaxColorAttachments
= 4; /* XXX FBO: review this */
429 /* Initialize the software rasterizer and helper modules. */
430 _swrast_CreateContext(ctx
);
431 _vbo_CreateContext(ctx
);
432 _tnl_CreateContext(ctx
);
433 _swsetup_CreateContext(ctx
);
435 /* Install the customized pipeline: */
436 _tnl_destroy_pipeline(ctx
);
437 _tnl_install_pipeline(ctx
, intel_pipeline
);
439 /* Configure swrast to match hardware characteristics: */
440 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
441 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
444 intel
->hHWContext
= driContextPriv
->hHWContext
;
445 intel
->driFd
= sPriv
->fd
;
446 intel
->driHwLock
= (drmLock
*) & sPriv
->pSAREA
->lock
;
448 intel
->hw_stipple
= 1;
450 /* XXX FBO: this doesn't seem to be used anywhere */
451 switch (mesaVis
->depthBits
) {
452 case 0: /* what to do in this case? */
454 intel
->polygon_offset_scale
= 1.0 / 0xffff;
457 intel
->polygon_offset_scale
= 2.0 / 0xffffff; /* req'd to pass glean */
464 /* Initialize swrast, tnl driver tables: */
465 intelInitSpanFuncs(ctx
);
466 intelInitTriFuncs(ctx
);
469 intel
->RenderIndex
= ~0;
471 fthrottle_mode
= driQueryOptioni(&intel
->optionCache
, "fthrottle_mode");
472 intel
->iw
.irq_seq
= -1;
473 intel
->irqsEmitted
= 0;
475 intel
->do_irqs
= (intel
->intelScreen
->irq_active
&&
476 fthrottle_mode
== DRI_CONF_FTHROTTLE_IRQS
);
478 intel
->do_usleeps
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_USLEEPS
);
480 _math_matrix_ctr(&intel
->ViewportMatrix
);
482 /* Disable imaging extension until convolution is working in
485 driInitExtensions(ctx
, card_extensions
,
490 intel
->batch
= intel_batchbuffer_alloc(intel
);
491 intel
->last_swap_fence
= NULL
;
492 intel
->first_swap_fence
= NULL
;
494 intel_bufferobj_init(intel
);
495 intel_fbo_init(intel
);
497 if (intel
->ctx
.Mesa_DXTn
) {
498 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
499 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
501 else if (driQueryOptionb(&intel
->optionCache
, "force_s3tc_enable")) {
502 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
505 intel
->prim
.primitive
= ~0;
509 INTEL_DEBUG
= driParseDebugString(getenv("INTEL_DEBUG"), debug_control
);
512 if (getenv("INTEL_NO_RAST")) {
513 fprintf(stderr
, "disabling 3D rasterization\n");
514 FALLBACK(intel
, INTEL_FALLBACK_USER
, 1);
521 intelDestroyContext(__DRIcontextPrivate
* driContextPriv
)
523 struct intel_context
*intel
=
524 (struct intel_context
*) driContextPriv
->driverPrivate
;
526 assert(intel
); /* should never be null */
528 GLboolean release_texture_heaps
;
530 INTEL_FIREVERTICES(intel
);
532 intel
->vtbl
.destroy(intel
);
534 release_texture_heaps
= (intel
->ctx
.Shared
->RefCount
== 1);
535 _swsetup_DestroyContext(&intel
->ctx
);
536 _tnl_DestroyContext(&intel
->ctx
);
537 _vbo_DestroyContext(&intel
->ctx
);
539 _swrast_DestroyContext(&intel
->ctx
);
540 intel
->Fallback
= 0; /* don't call _swrast_Flush later */
542 intel_batchbuffer_free(intel
->batch
);
544 if (intel
->last_swap_fence
) {
545 driFenceFinish(intel
->last_swap_fence
, DRM_FENCE_TYPE_EXE
, GL_TRUE
);
546 driFenceUnReference(intel
->last_swap_fence
);
547 intel
->last_swap_fence
= NULL
;
549 if (intel
->first_swap_fence
) {
550 driFenceFinish(intel
->first_swap_fence
, DRM_FENCE_TYPE_EXE
, GL_TRUE
);
551 driFenceUnReference(intel
->first_swap_fence
);
552 intel
->first_swap_fence
= NULL
;
556 if (release_texture_heaps
) {
557 /* This share group is about to go away, free our private
558 * texture object data.
560 if (INTEL_DEBUG
& DEBUG_TEXTURE
)
561 fprintf(stderr
, "do something to free texture heaps\n");
564 /* free the Mesa context */
565 _mesa_free_context_data(&intel
->ctx
);
570 intelUnbindContext(__DRIcontextPrivate
* driContextPriv
)
576 intelMakeCurrent(__DRIcontextPrivate
* driContextPriv
,
577 __DRIdrawablePrivate
* driDrawPriv
,
578 __DRIdrawablePrivate
* driReadPriv
)
583 fprintf(stderr
, "x %d, y %d, width %d, height %d\n",
584 driDrawPriv
->x
, driDrawPriv
->y
, driDrawPriv
->w
, driDrawPriv
->h
);
588 if (driContextPriv
) {
589 struct intel_context
*intel
=
590 (struct intel_context
*) driContextPriv
->driverPrivate
;
591 struct intel_framebuffer
*intel_fb
=
592 (struct intel_framebuffer
*) driDrawPriv
->driverPrivate
;
593 GLframebuffer
*readFb
= (GLframebuffer
*) driReadPriv
->driverPrivate
;
595 /* this is a hack so we have a valid context when the region allocation
596 is done. Need a per-screen context? */
597 intel
->intelScreen
->dummyctxptr
= intel
;
599 /* XXX FBO temporary fix-ups! */
600 /* if the renderbuffers don't have regions, init them from the context */
602 struct intel_renderbuffer
*irbDepth
603 = intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_DEPTH
);
604 struct intel_renderbuffer
*irbStencil
605 = intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_STENCIL
);
607 if (intel_fb
->color_rb
[0] && !intel_fb
->color_rb
[0]->region
) {
608 intel_region_reference(&intel_fb
->color_rb
[0]->region
,
609 intel
->intelScreen
->front_region
);
611 if (intel_fb
->color_rb
[1] && !intel_fb
->color_rb
[1]->region
) {
612 intel_region_reference(&intel_fb
->color_rb
[1]->region
,
613 intel
->intelScreen
->back_region
);
615 if (intel_fb
->color_rb
[2] && !intel_fb
->color_rb
[2]->region
) {
616 intel_region_reference(&intel_fb
->color_rb
[2]->region
,
617 intel
->intelScreen
->third_region
);
619 if (irbDepth
&& !irbDepth
->region
) {
620 intel_region_reference(&irbDepth
->region
, intel
->intelScreen
->depth_region
);
622 if (irbStencil
&& !irbStencil
->region
) {
623 intel_region_reference(&irbStencil
->region
, intel
->intelScreen
->depth_region
);
627 /* update GLframebuffer size to match window if needed */
628 driUpdateFramebufferSize(&intel
->ctx
, driDrawPriv
);
630 if (driReadPriv
!= driDrawPriv
) {
631 driUpdateFramebufferSize(&intel
->ctx
, driReadPriv
);
634 _mesa_make_current(&intel
->ctx
, &intel_fb
->Base
, readFb
);
636 /* The drawbuffer won't always be updated by _mesa_make_current:
638 if (intel
->ctx
.DrawBuffer
== &intel_fb
->Base
) {
640 if (intel
->driDrawable
!= driDrawPriv
) {
641 intel_fb
->vblank_flags
= (intel
->intelScreen
->irq_active
!= 0)
642 ? driGetDefaultVBlankFlags(&intel
->optionCache
)
643 : VBLANK_FLAG_NO_IRQ
;
644 (*dri_interface
->getUST
) (&intel_fb
->swap_ust
);
645 driDrawableInitVBlank(driDrawPriv
, intel_fb
->vblank_flags
,
647 intel
->driDrawable
= driDrawPriv
;
648 intelWindowMoved(intel
);
649 intel
->lastStamp
= driDrawPriv
->lastStamp
;
651 else if (intel
->lastStamp
!= driDrawPriv
->lastStamp
) {
652 intel_draw_buffer(&intel
->ctx
, &intel_fb
->Base
);
657 _mesa_make_current(NULL
, NULL
, NULL
);
664 intelContendedLock(struct intel_context
*intel
, GLuint flags
)
666 __DRIdrawablePrivate
*dPriv
= intel
->driDrawable
;
667 __DRIscreenPrivate
*sPriv
= intel
->driScreen
;
668 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
669 drmI830Sarea
*sarea
= intel
->sarea
;
671 drmGetLock(intel
->driFd
, intel
->hHWContext
, flags
);
673 if (INTEL_DEBUG
& DEBUG_LOCK
)
674 _mesa_printf("%s - got contended lock\n", __progname
);
676 /* If the window moved, may need to set a new cliprect now.
678 * NOTE: This releases and regains the hw lock, so all state
679 * checking must be done *after* this call:
682 DRI_VALIDATE_DRAWABLE_INFO(sPriv
, dPriv
);
684 if (sarea
->width
!= intelScreen
->width
||
685 sarea
->height
!= intelScreen
->height
||
686 sarea
->rotation
!= intelScreen
->current_rotation
) {
688 intelUpdateScreenRotation(sPriv
, sarea
);
692 if (sarea
->width
!= intel
->width
||
693 sarea
->height
!= intel
->height
||
694 sarea
->rotation
!= intel
->current_rotation
) {
696 void *batchMap
= intel
->batch
->map
;
699 * FIXME: Really only need to do this when drawing to a
700 * common back- or front buffer.
704 * This will drop the outstanding batchbuffer on the floor
707 if (batchMap
!= NULL
) {
708 driBOUnmap(intel
->batch
->buffer
);
709 intel
->batch
->map
= NULL
;
712 intel_batchbuffer_reset(intel
->batch
);
714 if (batchMap
== NULL
) {
715 driBOUnmap(intel
->batch
->buffer
);
716 intel
->batch
->map
= NULL
;
719 /* lose all primitives */
720 intel
->prim
.primitive
= ~0;
721 intel
->prim
.start_ptr
= 0;
722 intel
->prim
.flush
= 0;
724 /* re-emit all state */
725 intel
->vtbl
.lost_hardware(intel
);
727 /* force window update */
728 intel
->lastStamp
= 0;
730 intel
->width
= sarea
->width
;
731 intel
->height
= sarea
->height
;
732 intel
->current_rotation
= sarea
->rotation
;
739 /* Lock the hardware and validate our state.
741 void LOCK_HARDWARE( struct intel_context
*intel
)
744 struct intel_framebuffer
*intel_fb
= NULL
;
745 struct intel_renderbuffer
*intel_rb
= NULL
;
746 _glthread_LOCK_MUTEX(lockMutex
);
747 assert(!intel
->locked
);
749 if (intel
->driDrawable
) {
750 intel_fb
= intel
->driDrawable
->driverPrivate
;
754 intel_get_renderbuffer(&intel_fb
->Base
,
755 intel_fb
->Base
._ColorDrawBufferMask
[0] ==
756 BUFFER_BIT_FRONT_LEFT
? BUFFER_FRONT_LEFT
:
760 if (intel_rb
&& (intel_fb
->vbl_waited
- intel_rb
->vbl_pending
) > (1<<23)) {
763 vbl
.request
.type
= DRM_VBLANK_ABSOLUTE
;
765 if ( intel_fb
->vblank_flags
& VBLANK_FLAG_SECONDARY
) {
766 vbl
.request
.type
|= DRM_VBLANK_SECONDARY
;
769 vbl
.request
.sequence
= intel_rb
->vbl_pending
;
770 drmWaitVBlank(intel
->driFd
, &vbl
);
771 intel_fb
->vbl_waited
= vbl
.reply
.sequence
;
774 DRM_CAS(intel
->driHwLock
, intel
->hHWContext
,
775 (DRM_LOCK_HELD
|intel
->hHWContext
), __ret
);
778 intelContendedLock( intel
, 0 );
780 if (INTEL_DEBUG
& DEBUG_LOCK
)
781 _mesa_printf("%s - locked\n", __progname
);
787 /* Unlock the hardware using the global current context
789 void UNLOCK_HARDWARE( struct intel_context
*intel
)
793 DRM_UNLOCK(intel
->driFd
, intel
->driHwLock
, intel
->hHWContext
);
795 _glthread_UNLOCK_MUTEX(lockMutex
);
797 if (INTEL_DEBUG
& DEBUG_LOCK
)
798 _mesa_printf("%s - unlocked\n", __progname
);