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 **************************************************************************/
29 #include "main/glheader.h"
30 #include "main/context.h"
31 #include "main/extensions.h"
32 #include "main/fbobject.h"
33 #include "main/framebuffer.h"
34 #include "main/imports.h"
35 #include "main/points.h"
37 #include "swrast/swrast.h"
38 #include "swrast_setup/swrast_setup.h"
40 #include "drivers/common/driverfuncs.h"
41 #include "drivers/common/meta.h"
43 #include "intel_chipset.h"
44 #include "intel_buffers.h"
45 #include "intel_tex.h"
46 #include "intel_batchbuffer.h"
47 #include "intel_clear.h"
48 #include "intel_extensions.h"
49 #include "intel_pixel.h"
50 #include "intel_regions.h"
51 #include "intel_buffer_objects.h"
52 #include "intel_fbo.h"
53 #include "intel_bufmgr.h"
54 #include "intel_screen.h"
56 #include "drirenderbuffer.h"
61 int INTEL_DEBUG
= (0);
65 #define DRIVER_DATE "20100330 DEVELOPMENT"
66 #define DRIVER_DATE_GEM "GEM " DRIVER_DATE
69 static const GLubyte
*
70 intelGetString(struct gl_context
* ctx
, GLenum name
)
72 const struct intel_context
*const intel
= intel_context(ctx
);
74 static char buffer
[128];
78 return (GLubyte
*) "Tungsten Graphics, Inc";
82 switch (intel
->intelScreen
->deviceID
) {
84 chipset
= "Intel(R) 845G";
87 chipset
= "Intel(R) 830M";
89 case PCI_CHIP_I855_GM
:
90 chipset
= "Intel(R) 852GM/855GM";
93 chipset
= "Intel(R) 865G";
96 chipset
= "Intel(R) 915G";
98 case PCI_CHIP_E7221_G
:
99 chipset
= "Intel (R) E7221G (i915)";
101 case PCI_CHIP_I915_GM
:
102 chipset
= "Intel(R) 915GM";
104 case PCI_CHIP_I945_G
:
105 chipset
= "Intel(R) 945G";
107 case PCI_CHIP_I945_GM
:
108 chipset
= "Intel(R) 945GM";
110 case PCI_CHIP_I945_GME
:
111 chipset
= "Intel(R) 945GME";
114 chipset
= "Intel(R) G33";
117 chipset
= "Intel(R) Q35";
120 chipset
= "Intel(R) Q33";
122 case PCI_CHIP_IGD_GM
:
124 chipset
= "Intel(R) IGD";
126 case PCI_CHIP_I965_Q
:
127 chipset
= "Intel(R) 965Q";
129 case PCI_CHIP_I965_G
:
130 case PCI_CHIP_I965_G_1
:
131 chipset
= "Intel(R) 965G";
133 case PCI_CHIP_I946_GZ
:
134 chipset
= "Intel(R) 946GZ";
136 case PCI_CHIP_I965_GM
:
137 chipset
= "Intel(R) 965GM";
139 case PCI_CHIP_I965_GME
:
140 chipset
= "Intel(R) 965GME/GLE";
142 case PCI_CHIP_GM45_GM
:
143 chipset
= "Mobile IntelĀ® GM45 Express Chipset";
145 case PCI_CHIP_IGD_E_G
:
146 chipset
= "Intel(R) Integrated Graphics Device";
149 chipset
= "Intel(R) G45/G43";
152 chipset
= "Intel(R) Q45/Q43";
155 chipset
= "Intel(R) G41";
158 chipset
= "Intel(R) B43";
161 chipset
= "Intel(R) Ironlake Desktop";
164 chipset
= "Intel(R) Ironlake Mobile";
166 case PCI_CHIP_SANDYBRIDGE_GT1
:
167 case PCI_CHIP_SANDYBRIDGE_GT2
:
168 case PCI_CHIP_SANDYBRIDGE_GT2_PLUS
:
169 chipset
= "Intel(R) Sandybridge Desktop";
171 case PCI_CHIP_SANDYBRIDGE_M_GT1
:
172 case PCI_CHIP_SANDYBRIDGE_M_GT2
:
173 case PCI_CHIP_SANDYBRIDGE_M_GT2_PLUS
:
174 chipset
= "Intel(R) Sandybridge Mobile";
176 case PCI_CHIP_SANDYBRIDGE_S
:
177 chipset
= "Intel(R) Sandybridge Server";
180 chipset
= "Unknown Intel Chipset";
184 (void) driGetRendererString(buffer
, chipset
, DRIVER_DATE_GEM
, 0);
185 return (GLubyte
*) buffer
;
193 intel_flush_front(struct gl_context
*ctx
)
195 struct intel_context
*intel
= intel_context(ctx
);
196 __DRIcontext
*driContext
= intel
->driContext
;
197 __DRIscreen
*const screen
= intel
->intelScreen
->driScrnPriv
;
199 if ((ctx
->DrawBuffer
->Name
== 0) && intel
->front_buffer_dirty
) {
200 if (screen
->dri2
.loader
&&
201 (screen
->dri2
.loader
->base
.version
>= 2)
202 && (screen
->dri2
.loader
->flushFrontBuffer
!= NULL
) &&
203 driContext
->driDrawablePriv
&&
204 driContext
->driDrawablePriv
->loaderPrivate
) {
205 (*screen
->dri2
.loader
->flushFrontBuffer
)(driContext
->driDrawablePriv
,
206 driContext
->driDrawablePriv
->loaderPrivate
);
208 /* We set the dirty bit in intel_prepare_render() if we're
209 * front buffer rendering once we get there.
211 intel
->front_buffer_dirty
= GL_FALSE
;
217 intel_bits_per_pixel(const struct intel_renderbuffer
*rb
)
219 return _mesa_get_format_bytes(rb
->Base
.Format
) * 8;
223 intel_update_renderbuffers(__DRIcontext
*context
, __DRIdrawable
*drawable
)
225 struct gl_framebuffer
*fb
= drawable
->driverPrivate
;
226 struct intel_renderbuffer
*rb
;
227 struct intel_region
*region
, *depth_region
;
228 struct intel_context
*intel
= context
->driverPrivate
;
229 struct intel_renderbuffer
*front_rb
, *back_rb
, *depth_rb
, *stencil_rb
;
230 __DRIbuffer
*buffers
= NULL
;
233 unsigned int attachments
[10];
234 const char *region_name
;
236 /* If we're rendering to the fake front buffer, make sure all the
237 * pending drawing has landed on the real front buffer. Otherwise
238 * when we eventually get to DRI2GetBuffersWithFormat the stale
239 * real front buffer contents will get copied to the new fake front
242 if (intel
->is_front_buffer_rendering
) {
243 intel_flush(&intel
->ctx
);
244 intel_flush_front(&intel
->ctx
);
247 /* Set this up front, so that in case our buffers get invalidated
248 * while we're getting new buffers, we don't clobber the stamp and
249 * thus ignore the invalidate. */
250 drawable
->lastStamp
= drawable
->dri2
.stamp
;
252 if (unlikely(INTEL_DEBUG
& DEBUG_DRI
))
253 fprintf(stderr
, "enter %s, drawable %p\n", __func__
, drawable
);
255 screen
= intel
->intelScreen
->driScrnPriv
;
257 if (screen
->dri2
.loader
258 && (screen
->dri2
.loader
->base
.version
> 2)
259 && (screen
->dri2
.loader
->getBuffersWithFormat
!= NULL
)) {
261 front_rb
= intel_get_renderbuffer(fb
, BUFFER_FRONT_LEFT
);
262 back_rb
= intel_get_renderbuffer(fb
, BUFFER_BACK_LEFT
);
263 depth_rb
= intel_get_renderbuffer(fb
, BUFFER_DEPTH
);
264 stencil_rb
= intel_get_renderbuffer(fb
, BUFFER_STENCIL
);
267 if ((intel
->is_front_buffer_rendering
||
268 intel
->is_front_buffer_reading
||
269 !back_rb
) && front_rb
) {
270 attachments
[i
++] = __DRI_BUFFER_FRONT_LEFT
;
271 attachments
[i
++] = intel_bits_per_pixel(front_rb
);
275 attachments
[i
++] = __DRI_BUFFER_BACK_LEFT
;
276 attachments
[i
++] = intel_bits_per_pixel(back_rb
);
279 if ((depth_rb
!= NULL
) && (stencil_rb
!= NULL
)) {
280 attachments
[i
++] = __DRI_BUFFER_DEPTH_STENCIL
;
281 attachments
[i
++] = intel_bits_per_pixel(depth_rb
);
282 } else if (depth_rb
!= NULL
) {
283 attachments
[i
++] = __DRI_BUFFER_DEPTH
;
284 attachments
[i
++] = intel_bits_per_pixel(depth_rb
);
285 } else if (stencil_rb
!= NULL
) {
286 attachments
[i
++] = __DRI_BUFFER_STENCIL
;
287 attachments
[i
++] = intel_bits_per_pixel(stencil_rb
);
291 (*screen
->dri2
.loader
->getBuffersWithFormat
)(drawable
,
296 drawable
->loaderPrivate
);
297 } else if (screen
->dri2
.loader
) {
299 if (intel_get_renderbuffer(fb
, BUFFER_FRONT_LEFT
))
300 attachments
[i
++] = __DRI_BUFFER_FRONT_LEFT
;
301 if (intel_get_renderbuffer(fb
, BUFFER_BACK_LEFT
))
302 attachments
[i
++] = __DRI_BUFFER_BACK_LEFT
;
303 if (intel_get_renderbuffer(fb
, BUFFER_DEPTH
))
304 attachments
[i
++] = __DRI_BUFFER_DEPTH
;
305 if (intel_get_renderbuffer(fb
, BUFFER_STENCIL
))
306 attachments
[i
++] = __DRI_BUFFER_STENCIL
;
308 buffers
= (*screen
->dri2
.loader
->getBuffers
)(drawable
,
313 drawable
->loaderPrivate
);
323 drawable
->numClipRects
= 1;
324 drawable
->pClipRects
[0].x1
= 0;
325 drawable
->pClipRects
[0].y1
= 0;
326 drawable
->pClipRects
[0].x2
= drawable
->w
;
327 drawable
->pClipRects
[0].y2
= drawable
->h
;
328 drawable
->numBackClipRects
= 1;
329 drawable
->pBackClipRects
[0].x1
= 0;
330 drawable
->pBackClipRects
[0].y1
= 0;
331 drawable
->pBackClipRects
[0].x2
= drawable
->w
;
332 drawable
->pBackClipRects
[0].y2
= drawable
->h
;
335 for (i
= 0; i
< count
; i
++) {
336 switch (buffers
[i
].attachment
) {
337 case __DRI_BUFFER_FRONT_LEFT
:
338 rb
= intel_get_renderbuffer(fb
, BUFFER_FRONT_LEFT
);
339 region_name
= "dri2 front buffer";
342 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
343 rb
= intel_get_renderbuffer(fb
, BUFFER_FRONT_LEFT
);
344 region_name
= "dri2 fake front buffer";
347 case __DRI_BUFFER_BACK_LEFT
:
348 rb
= intel_get_renderbuffer(fb
, BUFFER_BACK_LEFT
);
349 region_name
= "dri2 back buffer";
352 case __DRI_BUFFER_DEPTH
:
353 rb
= intel_get_renderbuffer(fb
, BUFFER_DEPTH
);
354 region_name
= "dri2 depth buffer";
357 case __DRI_BUFFER_DEPTH_STENCIL
:
358 rb
= intel_get_renderbuffer(fb
, BUFFER_DEPTH
);
359 region_name
= "dri2 depth / stencil buffer";
362 case __DRI_BUFFER_STENCIL
:
363 rb
= intel_get_renderbuffer(fb
, BUFFER_STENCIL
);
364 region_name
= "dri2 stencil buffer";
367 case __DRI_BUFFER_ACCUM
:
370 "unhandled buffer attach event, attachment type %d\n",
371 buffers
[i
].attachment
);
378 if (rb
->region
&& rb
->region
->name
== buffers
[i
].name
)
381 if (unlikely(INTEL_DEBUG
& DEBUG_DRI
))
383 "attaching buffer %d, at %d, cpp %d, pitch %d\n",
384 buffers
[i
].name
, buffers
[i
].attachment
,
385 buffers
[i
].cpp
, buffers
[i
].pitch
);
387 if (buffers
[i
].attachment
== __DRI_BUFFER_STENCIL
&& depth_region
) {
388 if (unlikely(INTEL_DEBUG
& DEBUG_DRI
))
389 fprintf(stderr
, "(reusing depth buffer as stencil)\n");
390 intel_region_reference(®ion
, depth_region
);
393 region
= intel_region_alloc_for_handle(intel
->intelScreen
,
397 buffers
[i
].pitch
/ buffers
[i
].cpp
,
401 if (buffers
[i
].attachment
== __DRI_BUFFER_DEPTH
)
402 depth_region
= region
;
404 intel_renderbuffer_set_region(intel
, rb
, region
);
405 intel_region_release(®ion
);
407 if (buffers
[i
].attachment
== __DRI_BUFFER_DEPTH_STENCIL
) {
408 rb
= intel_get_renderbuffer(fb
, BUFFER_STENCIL
);
410 struct intel_region
*stencil_region
= NULL
;
412 if (rb
->region
&& rb
->region
->name
== buffers
[i
].name
)
415 intel_region_reference(&stencil_region
, region
);
416 intel_renderbuffer_set_region(intel
, rb
, stencil_region
);
417 intel_region_release(&stencil_region
);
422 driUpdateFramebufferSize(&intel
->ctx
, drawable
);
426 * intel_prepare_render should be called anywhere that curent read/drawbuffer
430 intel_prepare_render(struct intel_context
*intel
)
432 __DRIcontext
*driContext
= intel
->driContext
;
433 __DRIdrawable
*drawable
;
435 drawable
= driContext
->driDrawablePriv
;
436 if (drawable
&& drawable
->dri2
.stamp
!= driContext
->dri2
.draw_stamp
) {
437 if (drawable
->lastStamp
!= drawable
->dri2
.stamp
)
438 intel_update_renderbuffers(driContext
, drawable
);
439 intel_draw_buffer(&intel
->ctx
, intel
->ctx
.DrawBuffer
);
440 driContext
->dri2
.draw_stamp
= drawable
->dri2
.stamp
;
443 drawable
= driContext
->driReadablePriv
;
444 if (drawable
&& drawable
->dri2
.stamp
!= driContext
->dri2
.read_stamp
) {
445 if (drawable
->lastStamp
!= drawable
->dri2
.stamp
)
446 intel_update_renderbuffers(driContext
, drawable
);
447 driContext
->dri2
.read_stamp
= drawable
->dri2
.stamp
;
450 /* If we're currently rendering to the front buffer, the rendering
451 * that will happen next will probably dirty the front buffer. So
452 * mark it as dirty here.
454 if (intel
->is_front_buffer_rendering
)
455 intel
->front_buffer_dirty
= GL_TRUE
;
457 /* Wait for the swapbuffers before the one we just emitted, so we
458 * don't get too many swaps outstanding for apps that are GPU-heavy
461 * We're using intelDRI2Flush (called from the loader before
462 * swapbuffer) and glFlush (for front buffer rendering) as the
463 * indicator that a frame is done and then throttle when we get
464 * here as we prepare to render the next frame. At this point for
465 * round trips for swap/copy and getting new buffers are done and
466 * we'll spend less time waiting on the GPU.
468 * Unfortunately, we don't have a handle to the batch containing
469 * the swap, and getting our hands on that doesn't seem worth it,
470 * so we just us the first batch we emitted after the last swap.
472 if (intel
->need_throttle
&& intel
->first_post_swapbuffers_batch
) {
473 drm_intel_bo_wait_rendering(intel
->first_post_swapbuffers_batch
);
474 drm_intel_bo_unreference(intel
->first_post_swapbuffers_batch
);
475 intel
->first_post_swapbuffers_batch
= NULL
;
476 intel
->need_throttle
= GL_FALSE
;
481 intel_viewport(struct gl_context
*ctx
, GLint x
, GLint y
, GLsizei w
, GLsizei h
)
483 struct intel_context
*intel
= intel_context(ctx
);
484 __DRIcontext
*driContext
= intel
->driContext
;
486 if (intel
->saved_viewport
)
487 intel
->saved_viewport(ctx
, x
, y
, w
, h
);
489 if (!intel
->meta
.internal_viewport_call
&& ctx
->DrawBuffer
->Name
== 0) {
490 dri2InvalidateDrawable(driContext
->driDrawablePriv
);
491 dri2InvalidateDrawable(driContext
->driReadablePriv
);
495 static const struct dri_debug_control debug_control
[] = {
496 { "tex", DEBUG_TEXTURE
},
497 { "state", DEBUG_STATE
},
498 { "ioctl", DEBUG_IOCTL
},
499 { "blit", DEBUG_BLIT
},
500 { "mip", DEBUG_MIPTREE
},
501 { "fall", DEBUG_FALLBACKS
},
502 { "verb", DEBUG_VERBOSE
},
503 { "bat", DEBUG_BATCH
},
504 { "pix", DEBUG_PIXEL
},
505 { "buf", DEBUG_BUFMGR
},
506 { "reg", DEBUG_REGION
},
509 { "sync", DEBUG_SYNC
},
510 { "prim", DEBUG_PRIMS
},
511 { "vert", DEBUG_VERTS
},
512 { "dri", DEBUG_DRI
},
514 { "san", DEBUG_SANITY
},
515 { "sleep", DEBUG_SLEEP
},
516 { "stats", DEBUG_STATS
},
517 { "tile", DEBUG_TILE
},
518 { "sing", DEBUG_SINGLE_THREAD
},
519 { "thre", DEBUG_SINGLE_THREAD
},
521 { "glsl_force", DEBUG_GLSL_FORCE
},
522 { "urb", DEBUG_URB
},
524 { "clip", DEBUG_CLIP
},
530 intelInvalidateState(struct gl_context
* ctx
, GLuint new_state
)
532 struct intel_context
*intel
= intel_context(ctx
);
534 _swrast_InvalidateState(ctx
, new_state
);
535 _swsetup_InvalidateState(ctx
, new_state
);
536 _vbo_InvalidateState(ctx
, new_state
);
537 _tnl_InvalidateState(ctx
, new_state
);
538 _tnl_invalidate_vertex_state(ctx
, new_state
);
540 intel
->NewGLState
|= new_state
;
542 if (intel
->vtbl
.invalidate_state
)
543 intel
->vtbl
.invalidate_state( intel
, new_state
);
547 intel_flush(struct gl_context
*ctx
)
549 struct intel_context
*intel
= intel_context(ctx
);
555 INTEL_FIREVERTICES(intel
);
557 if (intel
->batch
->map
!= intel
->batch
->ptr
)
558 intel_batchbuffer_flush(intel
->batch
);
562 intel_glFlush(struct gl_context
*ctx
)
564 struct intel_context
*intel
= intel_context(ctx
);
567 intel_flush_front(ctx
);
568 intel
->need_throttle
= GL_TRUE
;
572 intelFinish(struct gl_context
* ctx
)
574 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
578 intel_flush_front(ctx
);
580 for (i
= 0; i
< fb
->_NumColorDrawBuffers
; i
++) {
581 struct intel_renderbuffer
*irb
;
583 irb
= intel_renderbuffer(fb
->_ColorDrawBuffers
[i
]);
585 if (irb
&& irb
->region
)
586 drm_intel_bo_wait_rendering(irb
->region
->buffer
);
588 if (fb
->_DepthBuffer
) {
589 /* XXX: Wait on buffer idle */
594 intelInitDriverFunctions(struct dd_function_table
*functions
)
596 _mesa_init_driver_functions(functions
);
598 functions
->Flush
= intel_glFlush
;
599 functions
->Finish
= intelFinish
;
600 functions
->GetString
= intelGetString
;
601 functions
->UpdateState
= intelInvalidateState
;
603 intelInitTextureFuncs(functions
);
604 intelInitTextureImageFuncs(functions
);
605 intelInitTextureSubImageFuncs(functions
);
606 intelInitTextureCopyImageFuncs(functions
);
607 intelInitStateFuncs(functions
);
608 intelInitClearFuncs(functions
);
609 intelInitBufferFuncs(functions
);
610 intelInitPixelFuncs(functions
);
611 intelInitBufferObjectFuncs(functions
);
612 intel_init_syncobj_functions(functions
);
617 intelInitContext(struct intel_context
*intel
,
619 const struct gl_config
* mesaVis
,
620 __DRIcontext
* driContextPriv
,
621 void *sharedContextPrivate
,
622 struct dd_function_table
*functions
)
624 struct gl_context
*ctx
= &intel
->ctx
;
625 struct gl_context
*shareCtx
= (struct gl_context
*) sharedContextPrivate
;
626 __DRIscreen
*sPriv
= driContextPriv
->driScreenPriv
;
627 struct intel_screen
*intelScreen
= sPriv
->private;
629 struct gl_config visual
;
631 /* we can't do anything without a connection to the device */
632 if (intelScreen
->bufmgr
== NULL
)
635 /* Can't rely on invalidate events, fall back to glViewport hack */
636 if (!driContextPriv
->driScreenPriv
->dri2
.useInvalidate
) {
637 intel
->saved_viewport
= functions
->Viewport
;
638 functions
->Viewport
= intel_viewport
;
641 if (mesaVis
== NULL
) {
642 memset(&visual
, 0, sizeof visual
);
646 if (!_mesa_initialize_context_for_api(&intel
->ctx
, api
, mesaVis
, shareCtx
,
647 functions
, (void *) intel
)) {
648 printf("%s: failed to init mesa context\n", __FUNCTION__
);
652 driContextPriv
->driverPrivate
= intel
;
653 intel
->intelScreen
= intelScreen
;
654 intel
->driContext
= driContextPriv
;
655 intel
->driFd
= sPriv
->fd
;
657 intel
->has_xrgb_textures
= GL_TRUE
;
658 if (IS_GEN6(intel
->intelScreen
->deviceID
)) {
660 intel
->needs_ff_sync
= GL_TRUE
;
661 intel
->has_luminance_srgb
= GL_TRUE
;
662 } else if (IS_GEN5(intel
->intelScreen
->deviceID
)) {
664 intel
->needs_ff_sync
= GL_TRUE
;
665 intel
->has_luminance_srgb
= GL_TRUE
;
666 } else if (IS_965(intel
->intelScreen
->deviceID
)) {
668 if (IS_G4X(intel
->intelScreen
->deviceID
)) {
669 intel
->has_luminance_srgb
= GL_TRUE
;
670 intel
->is_g4x
= GL_TRUE
;
672 } else if (IS_9XX(intel
->intelScreen
->deviceID
)) {
674 if (IS_945(intel
->intelScreen
->deviceID
)) {
675 intel
->is_945
= GL_TRUE
;
679 if (intel
->intelScreen
->deviceID
== PCI_CHIP_I830_M
||
680 intel
->intelScreen
->deviceID
== PCI_CHIP_845_G
) {
681 intel
->has_xrgb_textures
= GL_FALSE
;
685 driParseConfigFiles(&intel
->optionCache
, &intelScreen
->optionCache
,
686 sPriv
->myNum
, (intel
->gen
>= 4) ? "i965" : "i915");
687 if (intelScreen
->deviceID
== PCI_CHIP_I865_G
)
688 intel
->maxBatchSize
= 4096;
690 intel
->maxBatchSize
= BATCH_SZ
;
692 intel
->bufmgr
= intelScreen
->bufmgr
;
694 bo_reuse_mode
= driQueryOptioni(&intel
->optionCache
, "bo_reuse");
695 switch (bo_reuse_mode
) {
696 case DRI_CONF_BO_REUSE_DISABLED
:
698 case DRI_CONF_BO_REUSE_ALL
:
699 intel_bufmgr_gem_enable_reuse(intel
->bufmgr
);
703 /* This doesn't yet catch all non-conformant rendering, but it's a
706 if (getenv("INTEL_STRICT_CONFORMANCE")) {
707 unsigned int value
= atoi(getenv("INTEL_STRICT_CONFORMANCE"));
709 intel
->conformance_mode
= value
;
712 intel
->conformance_mode
= 1;
716 if (intel
->conformance_mode
> 0) {
717 ctx
->Const
.MinLineWidth
= 1.0;
718 ctx
->Const
.MinLineWidthAA
= 1.0;
719 ctx
->Const
.MaxLineWidth
= 1.0;
720 ctx
->Const
.MaxLineWidthAA
= 1.0;
721 ctx
->Const
.LineWidthGranularity
= 1.0;
724 ctx
->Const
.MinLineWidth
= 1.0;
725 ctx
->Const
.MinLineWidthAA
= 1.0;
726 ctx
->Const
.MaxLineWidth
= 5.0;
727 ctx
->Const
.MaxLineWidthAA
= 5.0;
728 ctx
->Const
.LineWidthGranularity
= 0.5;
731 ctx
->Const
.MinPointSize
= 1.0;
732 ctx
->Const
.MinPointSizeAA
= 1.0;
733 ctx
->Const
.MaxPointSize
= 255.0;
734 ctx
->Const
.MaxPointSizeAA
= 3.0;
735 ctx
->Const
.PointSizeGranularity
= 1.0;
737 ctx
->Const
.MaxSamples
= 1.0;
739 /* reinitialize the context point state.
740 * It depend on constants in __struct gl_contextRec::Const
742 _mesa_init_point(ctx
);
744 meta_init_metaops(ctx
, &intel
->meta
);
745 if (intel
->gen
>= 4) {
746 if (MAX_WIDTH
> 8192)
747 ctx
->Const
.MaxRenderbufferSize
= 8192;
749 if (MAX_WIDTH
> 2048)
750 ctx
->Const
.MaxRenderbufferSize
= 2048;
753 /* Initialize the software rasterizer and helper modules. */
754 _swrast_CreateContext(ctx
);
755 _vbo_CreateContext(ctx
);
756 _tnl_CreateContext(ctx
);
757 _swsetup_CreateContext(ctx
);
759 /* Configure swrast to match hardware characteristics: */
760 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
761 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
763 _mesa_meta_init(ctx
);
765 intel
->hw_stencil
= mesaVis
->stencilBits
&& mesaVis
->depthBits
== 24;
766 intel
->hw_stipple
= 1;
768 /* XXX FBO: this doesn't seem to be used anywhere */
769 switch (mesaVis
->depthBits
) {
770 case 0: /* what to do in this case? */
772 intel
->polygon_offset_scale
= 1.0;
775 intel
->polygon_offset_scale
= 2.0; /* req'd to pass glean */
783 intel
->polygon_offset_scale
/= 0xffff;
785 intel
->RenderIndex
= ~0;
789 intelInitExtensions(ctx
);
794 intelInitExtensionsES2(ctx
);
798 INTEL_DEBUG
= driParseDebugString(getenv("INTEL_DEBUG"), debug_control
);
799 if (INTEL_DEBUG
& DEBUG_BUFMGR
)
800 dri_bufmgr_set_debug(intel
->bufmgr
, GL_TRUE
);
802 /* XXX force SIMD8 kernel for Sandybridge before we fixed
803 SIMD16 interpolation. */
805 INTEL_DEBUG
|= DEBUG_GLSL_FORCE
;
807 intel
->batch
= intel_batchbuffer_alloc(intel
);
809 intel_fbo_init(intel
);
811 if (intel
->ctx
.Mesa_DXTn
) {
812 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
813 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
815 else if (driQueryOptionb(&intel
->optionCache
, "force_s3tc_enable")) {
816 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
818 intel
->use_texture_tiling
= driQueryOptionb(&intel
->optionCache
,
820 intel
->use_early_z
= driQueryOptionb(&intel
->optionCache
, "early_z");
822 intel
->prim
.primitive
= ~0;
824 /* Force all software fallbacks */
825 if (driQueryOptionb(&intel
->optionCache
, "no_rast")) {
826 fprintf(stderr
, "disabling 3D rasterization\n");
830 if (driQueryOptionb(&intel
->optionCache
, "always_flush_batch")) {
831 fprintf(stderr
, "flushing batchbuffer before/after each draw call\n");
832 intel
->always_flush_batch
= 1;
835 if (driQueryOptionb(&intel
->optionCache
, "always_flush_cache")) {
836 fprintf(stderr
, "flushing GPU caches before/after each draw call\n");
837 intel
->always_flush_cache
= 1;
840 /* Disable all hardware rendering (skip emitting batches and fences/waits
843 intel
->no_hw
= getenv("INTEL_NO_HW") != NULL
;
849 intelDestroyContext(__DRIcontext
* driContextPriv
)
851 struct intel_context
*intel
=
852 (struct intel_context
*) driContextPriv
->driverPrivate
;
854 assert(intel
); /* should never be null */
856 INTEL_FIREVERTICES(intel
);
858 _mesa_meta_free(&intel
->ctx
);
860 meta_destroy_metaops(&intel
->meta
);
862 intel
->vtbl
.destroy(intel
);
864 _swsetup_DestroyContext(&intel
->ctx
);
865 _tnl_DestroyContext(&intel
->ctx
);
866 _vbo_DestroyContext(&intel
->ctx
);
868 _swrast_DestroyContext(&intel
->ctx
);
869 intel
->Fallback
= 0x0; /* don't call _swrast_Flush later */
871 intel_batchbuffer_free(intel
->batch
);
874 free(intel
->prim
.vb
);
875 intel
->prim
.vb
= NULL
;
876 drm_intel_bo_unreference(intel
->prim
.vb_bo
);
877 intel
->prim
.vb_bo
= NULL
;
878 drm_intel_bo_unreference(intel
->first_post_swapbuffers_batch
);
879 intel
->first_post_swapbuffers_batch
= NULL
;
881 driDestroyOptionCache(&intel
->optionCache
);
883 /* free the Mesa context */
884 _mesa_free_context_data(&intel
->ctx
);
887 driContextPriv
->driverPrivate
= NULL
;
892 intelUnbindContext(__DRIcontext
* driContextPriv
)
894 /* Unset current context and dispath table */
895 _mesa_make_current(NULL
, NULL
, NULL
);
901 intelMakeCurrent(__DRIcontext
* driContextPriv
,
902 __DRIdrawable
* driDrawPriv
,
903 __DRIdrawable
* driReadPriv
)
905 struct intel_context
*intel
;
906 GET_CURRENT_CONTEXT(curCtx
);
909 intel
= (struct intel_context
*) driContextPriv
->driverPrivate
;
913 /* According to the glXMakeCurrent() man page: "Pending commands to
914 * the previous context, if any, are flushed before it is released."
915 * But only flush if we're actually changing contexts.
917 if (intel_context(curCtx
) && intel_context(curCtx
) != intel
) {
921 if (driContextPriv
) {
922 struct gl_framebuffer
*fb
, *readFb
;
924 if (driDrawPriv
== NULL
&& driReadPriv
== NULL
) {
925 fb
= _mesa_get_incomplete_framebuffer();
926 readFb
= _mesa_get_incomplete_framebuffer();
928 fb
= driDrawPriv
->driverPrivate
;
929 readFb
= driReadPriv
->driverPrivate
;
930 driContextPriv
->dri2
.draw_stamp
= driDrawPriv
->dri2
.stamp
- 1;
931 driContextPriv
->dri2
.read_stamp
= driReadPriv
->dri2
.stamp
- 1;
934 intel_prepare_render(intel
);
935 _mesa_make_current(&intel
->ctx
, fb
, readFb
);
937 /* We do this in intel_prepare_render() too, but intel->ctx.DrawBuffer
938 * is NULL at that point. We can't call _mesa_makecurrent()
939 * first, since we need the buffer size for the initial
940 * viewport. So just call intel_draw_buffer() again here. */
941 intel_draw_buffer(&intel
->ctx
, intel
->ctx
.DrawBuffer
);
944 _mesa_make_current(NULL
, NULL
, NULL
);