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/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"
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_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"
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_occlusion_query
73 #define need_GL_ARB_point_parameters
74 #define need_GL_ARB_shader_objects
75 #define need_GL_ARB_texture_compression
76 #define need_GL_ARB_vertex_buffer_object
77 #define need_GL_ARB_vertex_program
78 #define need_GL_ARB_vertex_shader
79 #define need_GL_ARB_window_pos
80 #define need_GL_EXT_blend_color
81 #define need_GL_EXT_blend_equation_separate
82 #define need_GL_EXT_blend_func_separate
83 #define need_GL_EXT_blend_minmax
84 #define need_GL_EXT_cull_vertex
85 #define need_GL_EXT_fog_coord
86 #define need_GL_EXT_framebuffer_object
87 #define need_GL_EXT_multi_draw_arrays
88 #define need_GL_EXT_point_parameters
89 #define need_GL_EXT_secondary_color
90 #define need_GL_ATI_separate_stencil
91 #define need_GL_NV_point_sprite
92 #define need_GL_NV_vertex_program
93 #define need_GL_VERSION_2_0
94 #define need_GL_VERSION_2_1
96 #include "extension_helper.h"
98 #define DRIVER_DATE "20090114"
99 #define DRIVER_DATE_GEM "GEM " DRIVER_DATE
101 static const GLubyte
*
102 intelGetString(GLcontext
* ctx
, GLenum name
)
104 const struct intel_context
*const intel
= intel_context(ctx
);
106 static char buffer
[128];
110 return (GLubyte
*) "Tungsten Graphics, Inc";
114 switch (intel
->intelScreen
->deviceID
) {
116 chipset
= "Intel(R) 845G";
118 case PCI_CHIP_I830_M
:
119 chipset
= "Intel(R) 830M";
121 case PCI_CHIP_I855_GM
:
122 chipset
= "Intel(R) 852GM/855GM";
124 case PCI_CHIP_I865_G
:
125 chipset
= "Intel(R) 865G";
127 case PCI_CHIP_I915_G
:
128 chipset
= "Intel(R) 915G";
130 case PCI_CHIP_E7221_G
:
131 chipset
= "Intel (R) E7221G (i915)";
133 case PCI_CHIP_I915_GM
:
134 chipset
= "Intel(R) 915GM";
136 case PCI_CHIP_I945_G
:
137 chipset
= "Intel(R) 945G";
139 case PCI_CHIP_I945_GM
:
140 chipset
= "Intel(R) 945GM";
142 case PCI_CHIP_I945_GME
:
143 chipset
= "Intel(R) 945GME";
146 chipset
= "Intel(R) G33";
149 chipset
= "Intel(R) Q35";
152 chipset
= "Intel(R) Q33";
154 case PCI_CHIP_I965_Q
:
155 chipset
= "Intel(R) 965Q";
157 case PCI_CHIP_I965_G
:
158 case PCI_CHIP_I965_G_1
:
159 chipset
= "Intel(R) 965G";
161 case PCI_CHIP_I946_GZ
:
162 chipset
= "Intel(R) 946GZ";
164 case PCI_CHIP_I965_GM
:
165 chipset
= "Intel(R) 965GM";
167 case PCI_CHIP_I965_GME
:
168 chipset
= "Intel(R) 965GME/GLE";
170 case PCI_CHIP_GM45_GM
:
171 chipset
= "Mobile IntelĀ® GM45 Express Chipset";
173 case PCI_CHIP_IGD_E_G
:
174 chipset
= "Intel(R) Integrated Graphics Device";
177 chipset
= "Intel(R) G45/G43";
180 chipset
= "Intel(R) Q45/Q43";
183 chipset
= "Intel(R) G41";
186 chipset
= "Unknown Intel Chipset";
190 (void) driGetRendererString(buffer
, chipset
,
191 (intel
->ttm
) ? DRIVER_DATE_GEM
: DRIVER_DATE
,
193 return (GLubyte
*) buffer
;
201 intel_update_renderbuffers(__DRIcontext
*context
, __DRIdrawable
*drawable
)
203 struct intel_framebuffer
*intel_fb
= drawable
->driverPrivate
;
204 struct intel_renderbuffer
*rb
;
205 struct intel_region
*region
, *depth_region
;
206 struct intel_context
*intel
= context
->driverPrivate
;
207 __DRIbuffer
*buffers
;
210 unsigned int attachments
[10];
212 const char *region_name
;
214 if (INTEL_DEBUG
& DEBUG_DRI
)
215 fprintf(stderr
, "enter %s, drawable %p\n", __func__
, drawable
);
217 screen
= intel
->intelScreen
->driScrnPriv
;
220 if (intel_fb
->color_rb
[0])
221 attachments
[i
++] = __DRI_BUFFER_FRONT_LEFT
;
222 if (intel_fb
->color_rb
[1])
223 attachments
[i
++] = __DRI_BUFFER_BACK_LEFT
;
224 if (intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_DEPTH
))
225 attachments
[i
++] = __DRI_BUFFER_DEPTH
;
226 if (intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_STENCIL
))
227 attachments
[i
++] = __DRI_BUFFER_STENCIL
;
229 buffers
= (*screen
->dri2
.loader
->getBuffers
)(drawable
,
234 drawable
->loaderPrivate
);
243 drawable
->numClipRects
= 1;
244 drawable
->pClipRects
[0].x1
= 0;
245 drawable
->pClipRects
[0].y1
= 0;
246 drawable
->pClipRects
[0].x2
= drawable
->w
;
247 drawable
->pClipRects
[0].y2
= drawable
->h
;
248 drawable
->numBackClipRects
= 1;
249 drawable
->pBackClipRects
[0].x1
= 0;
250 drawable
->pBackClipRects
[0].y1
= 0;
251 drawable
->pBackClipRects
[0].x2
= drawable
->w
;
252 drawable
->pBackClipRects
[0].y2
= drawable
->h
;
255 for (i
= 0; i
< count
; i
++) {
256 switch (buffers
[i
].attachment
) {
257 case __DRI_BUFFER_FRONT_LEFT
:
258 rb
= intel_fb
->color_rb
[0];
259 region_name
= "dri2 front buffer";
262 case __DRI_BUFFER_BACK_LEFT
:
263 rb
= intel_fb
->color_rb
[1];
264 region_name
= "dri2 back buffer";
267 case __DRI_BUFFER_DEPTH
:
268 rb
= intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_DEPTH
);
269 region_name
= "dri2 depth buffer";
272 case __DRI_BUFFER_STENCIL
:
273 rb
= intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_STENCIL
);
274 region_name
= "dri2 stencil buffer";
277 case __DRI_BUFFER_ACCUM
:
280 "unhandled buffer attach event, attacment type %d\n",
281 buffers
[i
].attachment
);
286 dri_bo_flink(rb
->region
->buffer
, &name
);
287 if (name
== buffers
[i
].name
)
291 if (INTEL_DEBUG
& DEBUG_DRI
)
293 "attaching buffer %d, at %d, cpp %d, pitch %d\n",
294 buffers
[i
].name
, buffers
[i
].attachment
,
295 buffers
[i
].cpp
, buffers
[i
].pitch
);
297 if (buffers
[i
].attachment
== __DRI_BUFFER_STENCIL
&& depth_region
) {
298 if (INTEL_DEBUG
& DEBUG_DRI
)
299 fprintf(stderr
, "(reusing depth buffer as stencil)\n");
300 intel_region_reference(®ion
, depth_region
);
303 region
= intel_region_alloc_for_handle(intel
, buffers
[i
].cpp
,
306 buffers
[i
].pitch
/ buffers
[i
].cpp
,
310 if (buffers
[i
].attachment
== __DRI_BUFFER_DEPTH
)
311 depth_region
= region
;
313 intel_renderbuffer_set_region(rb
, region
);
314 intel_region_release(®ion
);
317 driUpdateFramebufferSize(&intel
->ctx
, drawable
);
321 intel_viewport(GLcontext
*ctx
, GLint x
, GLint y
, GLsizei w
, GLsizei h
)
323 struct intel_context
*intel
= intel_context(ctx
);
324 __DRIcontext
*driContext
= intel
->driContext
;
325 void (*old_viewport
)(GLcontext
*ctx
, GLint x
, GLint y
,
326 GLsizei w
, GLsizei h
);
328 if (!driContext
->driScreenPriv
->dri2
.enabled
)
331 intel_update_renderbuffers(driContext
, driContext
->driDrawablePriv
);
332 if (driContext
->driDrawablePriv
!= driContext
->driReadablePriv
)
333 intel_update_renderbuffers(driContext
, driContext
->driReadablePriv
);
335 old_viewport
= ctx
->Driver
.Viewport
;
336 ctx
->Driver
.Viewport
= NULL
;
337 intel
->driDrawable
= driContext
->driDrawablePriv
;
338 intelWindowMoved(intel
);
339 intel_draw_buffer(ctx
, intel
->ctx
.DrawBuffer
);
340 ctx
->Driver
.Viewport
= old_viewport
;
344 * Extension strings exported by the intel driver.
346 * Extensions supported by all chips supported by i830_dri, i915_dri, or
349 static const struct dri_extension card_extensions
[] = {
350 { "GL_ARB_multisample", GL_ARB_multisample_functions
},
351 { "GL_ARB_multitexture", NULL
},
352 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
353 { "GL_ARB_texture_border_clamp", NULL
},
354 { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
355 { "GL_ARB_texture_cube_map", NULL
},
356 { "GL_ARB_texture_env_add", NULL
},
357 { "GL_ARB_texture_env_combine", NULL
},
358 { "GL_ARB_texture_env_crossbar", NULL
},
359 { "GL_ARB_texture_env_dot3", NULL
},
360 { "GL_ARB_texture_mirrored_repeat", NULL
},
361 { "GL_ARB_texture_rectangle", NULL
},
362 { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
363 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions
},
364 { "GL_ARB_window_pos", GL_ARB_window_pos_functions
},
365 { "GL_EXT_blend_color", GL_EXT_blend_color_functions
},
366 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions
},
367 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
368 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
369 { "GL_EXT_blend_logic_op", NULL
},
370 { "GL_EXT_blend_subtract", NULL
},
371 { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions
},
372 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions
},
373 { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions
},
374 { "GL_EXT_packed_depth_stencil", NULL
},
375 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
376 { "GL_EXT_stencil_wrap", NULL
},
377 { "GL_EXT_texture_edge_clamp", NULL
},
378 { "GL_EXT_texture_env_combine", NULL
},
379 { "GL_EXT_texture_env_dot3", NULL
},
380 { "GL_EXT_texture_filter_anisotropic", NULL
},
381 { "GL_EXT_texture_lod_bias", NULL
},
382 { "GL_3DFX_texture_compression_FXT1", NULL
},
383 { "GL_APPLE_client_storage", NULL
},
384 { "GL_MESA_pack_invert", NULL
},
385 { "GL_MESA_ycbcr_texture", NULL
},
386 { "GL_NV_blend_square", NULL
},
387 { "GL_NV_point_sprite", GL_NV_point_sprite_functions
},
388 { "GL_NV_vertex_program", GL_NV_vertex_program_functions
},
389 { "GL_NV_vertex_program1_1", NULL
},
390 { "GL_SGIS_generate_mipmap", NULL
},
394 static const struct dri_extension brw_extensions
[] = {
395 { "GL_ARB_depth_texture", NULL
},
396 { "GL_ARB_draw_buffers", NULL
},
397 { "GL_ARB_fragment_program", NULL
},
398 { "GL_ARB_fragment_program_shadow", NULL
},
399 { "GL_ARB_fragment_shader", NULL
},
400 { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions
},
401 { "GL_ARB_point_sprite", NULL
},
402 { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions
},
403 { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions
},
405 /* Support for GLSL 1.20 is currently broken in core Mesa.
407 { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions
},
409 { "GL_ARB_shadow", NULL
},
410 { "GL_ARB_texture_non_power_of_two", NULL
},
411 { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions
},
412 { "GL_EXT_shadow_funcs", NULL
},
413 { "GL_EXT_texture_sRGB", NULL
},
414 { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions
},
415 { "GL_ATI_texture_env_combine3", NULL
},
419 static const struct dri_extension arb_oq_extensions
[] = {
423 static const struct dri_extension ttm_extensions
[] = {
424 { "GL_ARB_pixel_buffer_object", NULL
},
425 { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions
},
430 * Initializes potential list of extensions if ctx == NULL, or actually enables
431 * extensions for a context.
433 void intelInitExtensions(GLcontext
*ctx
, GLboolean enable_imaging
)
435 struct intel_context
*intel
= ctx
?intel_context(ctx
):NULL
;
437 /* Disable imaging extension until convolution is working in teximage paths.
439 enable_imaging
= GL_FALSE
;
441 driInitExtensions(ctx
, card_extensions
, enable_imaging
);
443 if (intel
== NULL
|| intel
->ttm
)
444 driInitExtensions(ctx
, ttm_extensions
, GL_FALSE
);
446 if (intel
== NULL
|| IS_965(intel
->intelScreen
->deviceID
))
447 driInitExtensions(ctx
, brw_extensions
, GL_FALSE
);
450 static const struct dri_debug_control debug_control
[] = {
451 { "tex", DEBUG_TEXTURE
},
452 { "state", DEBUG_STATE
},
453 { "ioctl", DEBUG_IOCTL
},
454 { "blit", DEBUG_BLIT
},
455 { "mip", DEBUG_MIPTREE
},
456 { "fall", DEBUG_FALLBACKS
},
457 { "verb", DEBUG_VERBOSE
},
458 { "bat", DEBUG_BATCH
},
459 { "pix", DEBUG_PIXEL
},
460 { "buf", DEBUG_BUFMGR
},
461 { "reg", DEBUG_REGION
},
463 { "lock", DEBUG_LOCK
},
464 { "sync", DEBUG_SYNC
},
465 { "prim", DEBUG_PRIMS
},
466 { "vert", DEBUG_VERTS
},
467 { "dri", DEBUG_DRI
},
468 { "dma", DEBUG_DMA
},
469 { "san", DEBUG_SANITY
},
470 { "sleep", DEBUG_SLEEP
},
471 { "stats", DEBUG_STATS
},
472 { "tile", DEBUG_TILE
},
473 { "sing", DEBUG_SINGLE_THREAD
},
474 { "thre", DEBUG_SINGLE_THREAD
},
476 { "urb", DEBUG_URB
},
483 intelInvalidateState(GLcontext
* ctx
, GLuint new_state
)
485 struct intel_context
*intel
= intel_context(ctx
);
487 _swrast_InvalidateState(ctx
, new_state
);
488 _swsetup_InvalidateState(ctx
, new_state
);
489 _vbo_InvalidateState(ctx
, new_state
);
490 _tnl_InvalidateState(ctx
, new_state
);
491 _tnl_invalidate_vertex_state(ctx
, new_state
);
493 intel
->NewGLState
|= new_state
;
495 if (intel
->vtbl
.invalidate_state
)
496 intel
->vtbl
.invalidate_state( intel
, new_state
);
501 intelFlush(GLcontext
* ctx
)
503 struct intel_context
*intel
= intel_context(ctx
);
508 if (!IS_965(intel
->intelScreen
->deviceID
))
509 INTEL_FIREVERTICES(intel
);
511 /* Emit a flush so that any frontbuffer rendering that might have occurred
512 * lands onscreen in a timely manner, even if the X Server doesn't trigger
515 intel_batchbuffer_emit_mi_flush(intel
->batch
);
517 if (intel
->batch
->map
!= intel
->batch
->ptr
)
518 intel_batchbuffer_flush(intel
->batch
);
522 intelFinish(GLcontext
* ctx
)
524 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
529 for (i
= 0; i
< fb
->_NumColorDrawBuffers
; i
++) {
530 struct intel_renderbuffer
*irb
;
532 irb
= intel_renderbuffer(fb
->_ColorDrawBuffers
[i
]);
535 dri_bo_wait_rendering(irb
->region
->buffer
);
537 if (fb
->_DepthBuffer
) {
538 /* XXX: Wait on buffer idle */
543 intelInitDriverFunctions(struct dd_function_table
*functions
)
545 _mesa_init_driver_functions(functions
);
547 functions
->Flush
= intelFlush
;
548 functions
->Finish
= intelFinish
;
549 functions
->GetString
= intelGetString
;
550 functions
->UpdateState
= intelInvalidateState
;
552 functions
->CopyColorTable
= _swrast_CopyColorTable
;
553 functions
->CopyColorSubTable
= _swrast_CopyColorSubTable
;
554 functions
->CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
555 functions
->CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;
557 intelInitTextureFuncs(functions
);
558 intelInitStateFuncs(functions
);
559 intelInitBufferFuncs(functions
);
560 intelInitPixelFuncs(functions
);
565 intelInitContext(struct intel_context
*intel
,
566 const __GLcontextModes
* mesaVis
,
567 __DRIcontextPrivate
* driContextPriv
,
568 void *sharedContextPrivate
,
569 struct dd_function_table
*functions
)
571 GLcontext
*ctx
= &intel
->ctx
;
572 GLcontext
*shareCtx
= (GLcontext
*) sharedContextPrivate
;
573 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
574 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
577 if (!_mesa_initialize_context(&intel
->ctx
, mesaVis
, shareCtx
,
578 functions
, (void *) intel
)) {
579 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__
);
583 driContextPriv
->driverPrivate
= intel
;
584 intel
->intelScreen
= intelScreen
;
585 intel
->driScreen
= sPriv
;
586 intel
->sarea
= intelScreen
->sarea
;
587 intel
->driContext
= driContextPriv
;
590 intel
->hHWContext
= driContextPriv
->hHWContext
;
591 intel
->driFd
= sPriv
->fd
;
592 intel
->driHwLock
= sPriv
->lock
;
594 driParseConfigFiles(&intel
->optionCache
, &intelScreen
->optionCache
,
595 intel
->driScreen
->myNum
,
596 IS_965(intelScreen
->deviceID
) ? "i965" : "i915");
597 if (intelScreen
->deviceID
== PCI_CHIP_I865_G
)
598 intel
->maxBatchSize
= 4096;
600 intel
->maxBatchSize
= BATCH_SZ
;
602 intel
->bufmgr
= intelScreen
->bufmgr
;
603 intel
->ttm
= intelScreen
->ttm
;
607 bo_reuse_mode
= driQueryOptioni(&intel
->optionCache
, "bo_reuse");
608 switch (bo_reuse_mode
) {
609 case DRI_CONF_BO_REUSE_DISABLED
:
611 case DRI_CONF_BO_REUSE_ALL
:
612 intel_bufmgr_gem_enable_reuse(intel
->bufmgr
);
617 ctx
->Const
.MaxTextureMaxAnisotropy
= 2.0;
619 /* This doesn't yet catch all non-conformant rendering, but it's a
622 if (getenv("INTEL_STRICT_CONFORMANCE")) {
623 intel
->strict_conformance
= 1;
626 if (intel
->strict_conformance
) {
627 ctx
->Const
.MinLineWidth
= 1.0;
628 ctx
->Const
.MinLineWidthAA
= 1.0;
629 ctx
->Const
.MaxLineWidth
= 1.0;
630 ctx
->Const
.MaxLineWidthAA
= 1.0;
631 ctx
->Const
.LineWidthGranularity
= 1.0;
634 ctx
->Const
.MinLineWidth
= 1.0;
635 ctx
->Const
.MinLineWidthAA
= 1.0;
636 ctx
->Const
.MaxLineWidth
= 5.0;
637 ctx
->Const
.MaxLineWidthAA
= 5.0;
638 ctx
->Const
.LineWidthGranularity
= 0.5;
641 ctx
->Const
.MinPointSize
= 1.0;
642 ctx
->Const
.MinPointSizeAA
= 1.0;
643 ctx
->Const
.MaxPointSize
= 255.0;
644 ctx
->Const
.MaxPointSizeAA
= 3.0;
645 ctx
->Const
.PointSizeGranularity
= 1.0;
647 /* reinitialize the context point state.
648 * It depend on constants in __GLcontextRec::Const
650 _mesa_init_point(ctx
);
652 ctx
->Const
.MaxColorAttachments
= 4; /* XXX FBO: review this */
654 /* Initialize the software rasterizer and helper modules. */
655 _swrast_CreateContext(ctx
);
656 _vbo_CreateContext(ctx
);
657 _tnl_CreateContext(ctx
);
658 _swsetup_CreateContext(ctx
);
660 /* Configure swrast to match hardware characteristics: */
661 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
662 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
664 intel
->hw_stencil
= mesaVis
->stencilBits
&& mesaVis
->depthBits
== 24;
665 intel
->hw_stipple
= 1;
667 /* XXX FBO: this doesn't seem to be used anywhere */
668 switch (mesaVis
->depthBits
) {
669 case 0: /* what to do in this case? */
671 intel
->polygon_offset_scale
= 1.0;
674 intel
->polygon_offset_scale
= 2.0; /* req'd to pass glean */
681 if (IS_965(intelScreen
->deviceID
))
682 intel
->polygon_offset_scale
/= 0xffff;
684 intel
->RenderIndex
= ~0;
686 fthrottle_mode
= driQueryOptioni(&intel
->optionCache
, "fthrottle_mode");
687 intel
->irqsEmitted
= 0;
689 intel
->do_irqs
= (intel
->intelScreen
->irq_active
&&
690 fthrottle_mode
== DRI_CONF_FTHROTTLE_IRQS
);
692 intel
->do_usleeps
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_USLEEPS
);
694 _math_matrix_ctr(&intel
->ViewportMatrix
);
696 if (IS_965(intelScreen
->deviceID
) && !intel
->intelScreen
->irq_active
) {
697 _mesa_printf("IRQs not active. Exiting\n");
701 intelInitExtensions(ctx
, GL_FALSE
);
703 INTEL_DEBUG
= driParseDebugString(getenv("INTEL_DEBUG"), debug_control
);
704 if (INTEL_DEBUG
& DEBUG_BUFMGR
)
705 dri_bufmgr_set_debug(intel
->bufmgr
, GL_TRUE
);
707 if (!sPriv
->dri2
.enabled
)
708 intel_recreate_static_regions(intel
);
710 intel
->batch
= intel_batchbuffer_alloc(intel
);
712 intel_bufferobj_init(intel
);
713 intel_fbo_init(intel
);
715 if (intel
->ctx
.Mesa_DXTn
) {
716 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
717 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
719 else if (driQueryOptionb(&intel
->optionCache
, "force_s3tc_enable")) {
720 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
723 intel
->prim
.primitive
= ~0;
725 /* Force all software fallbacks */
726 if (driQueryOptionb(&intel
->optionCache
, "no_rast")) {
727 fprintf(stderr
, "disabling 3D rasterization\n");
731 /* Disable all hardware rendering (skip emitting batches and fences/waits
734 intel
->no_hw
= getenv("INTEL_NO_HW") != NULL
;
740 intelDestroyContext(__DRIcontextPrivate
* driContextPriv
)
742 struct intel_context
*intel
=
743 (struct intel_context
*) driContextPriv
->driverPrivate
;
745 assert(intel
); /* should never be null */
747 GLboolean release_texture_heaps
;
749 INTEL_FIREVERTICES(intel
);
751 intel
->vtbl
.destroy(intel
);
753 release_texture_heaps
= (intel
->ctx
.Shared
->RefCount
== 1);
754 _swsetup_DestroyContext(&intel
->ctx
);
755 _tnl_DestroyContext(&intel
->ctx
);
756 _vbo_DestroyContext(&intel
->ctx
);
758 _swrast_DestroyContext(&intel
->ctx
);
759 intel
->Fallback
= 0; /* don't call _swrast_Flush later */
761 intel_batchbuffer_free(intel
->batch
);
764 free(intel
->prim
.vb
);
765 intel
->prim
.vb
= NULL
;
766 dri_bo_unreference(intel
->prim
.vb_bo
);
767 intel
->prim
.vb_bo
= NULL
;
769 if (release_texture_heaps
) {
770 /* This share group is about to go away, free our private
771 * texture object data.
773 if (INTEL_DEBUG
& DEBUG_TEXTURE
)
774 fprintf(stderr
, "do something to free texture heaps\n");
777 intel_region_release(&intel
->front_region
);
778 intel_region_release(&intel
->back_region
);
779 intel_region_release(&intel
->depth_region
);
781 driDestroyOptionCache(&intel
->optionCache
);
783 /* free the Mesa context */
784 _mesa_free_context_data(&intel
->ctx
);
789 intelUnbindContext(__DRIcontextPrivate
* driContextPriv
)
795 intelMakeCurrent(__DRIcontextPrivate
* driContextPriv
,
796 __DRIdrawablePrivate
* driDrawPriv
,
797 __DRIdrawablePrivate
* driReadPriv
)
799 __DRIscreenPrivate
*psp
= driDrawPriv
->driScreenPriv
;
801 if (driContextPriv
) {
802 struct intel_context
*intel
=
803 (struct intel_context
*) driContextPriv
->driverPrivate
;
804 struct intel_framebuffer
*intel_fb
=
805 (struct intel_framebuffer
*) driDrawPriv
->driverPrivate
;
806 GLframebuffer
*readFb
= (GLframebuffer
*) driReadPriv
->driverPrivate
;
808 if (driContextPriv
->driScreenPriv
->dri2
.enabled
) {
809 intel_update_renderbuffers(driContextPriv
, driDrawPriv
);
810 if (driDrawPriv
!= driReadPriv
)
811 intel_update_renderbuffers(driContextPriv
, driReadPriv
);
813 /* XXX FBO temporary fix-ups! */
814 /* if the renderbuffers don't have regions, init them from the context */
815 struct intel_renderbuffer
*irbDepth
816 = intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_DEPTH
);
817 struct intel_renderbuffer
*irbStencil
818 = intel_get_renderbuffer(&intel_fb
->Base
, BUFFER_STENCIL
);
820 if (intel_fb
->color_rb
[0]) {
821 intel_renderbuffer_set_region(intel_fb
->color_rb
[0],
822 intel
->front_region
);
824 if (intel_fb
->color_rb
[1]) {
825 intel_renderbuffer_set_region(intel_fb
->color_rb
[1],
830 intel_renderbuffer_set_region(irbDepth
, intel
->depth_region
);
833 intel_renderbuffer_set_region(irbStencil
, intel
->depth_region
);
837 /* set GLframebuffer size to match window, if needed */
838 driUpdateFramebufferSize(&intel
->ctx
, driDrawPriv
);
840 if (driReadPriv
!= driDrawPriv
) {
841 driUpdateFramebufferSize(&intel
->ctx
, driReadPriv
);
844 _mesa_make_current(&intel
->ctx
, &intel_fb
->Base
, readFb
);
846 /* The drawbuffer won't always be updated by _mesa_make_current:
848 if (intel
->ctx
.DrawBuffer
== &intel_fb
->Base
) {
850 if (intel
->driReadDrawable
!= driReadPriv
)
851 intel
->driReadDrawable
= driReadPriv
;
853 if (intel
->driDrawable
!= driDrawPriv
) {
854 if (driDrawPriv
->swap_interval
== (unsigned)-1) {
857 driDrawPriv
->vblFlags
= (intel
->intelScreen
->irq_active
!= 0)
858 ? driGetDefaultVBlankFlags(&intel
->optionCache
)
859 : VBLANK_FLAG_NO_IRQ
;
861 (*psp
->systemTime
->getUST
) (&intel_fb
->swap_ust
);
862 driDrawableInitVBlank(driDrawPriv
);
863 intel_fb
->vbl_waited
= driDrawPriv
->vblSeq
;
865 for (i
= 0; i
< 2; i
++) {
866 if (intel_fb
->color_rb
[i
])
867 intel_fb
->color_rb
[i
]->vbl_pending
= driDrawPriv
->vblSeq
;
870 intel
->driDrawable
= driDrawPriv
;
871 intelWindowMoved(intel
);
874 intel_draw_buffer(&intel
->ctx
, &intel_fb
->Base
);
878 _mesa_make_current(NULL
, NULL
, NULL
);
885 intelContendedLock(struct intel_context
*intel
, GLuint flags
)
887 __DRIdrawablePrivate
*dPriv
= intel
->driDrawable
;
888 __DRIscreenPrivate
*sPriv
= intel
->driScreen
;
889 volatile drm_i915_sarea_t
*sarea
= intel
->sarea
;
890 int me
= intel
->hHWContext
;
892 drmGetLock(intel
->driFd
, intel
->hHWContext
, flags
);
895 if (INTEL_DEBUG
& DEBUG_LOCK
)
896 _mesa_printf("%s - got contended lock\n", __progname
);
898 /* If the window moved, may need to set a new cliprect now.
900 * NOTE: This releases and regains the hw lock, so all state
901 * checking must be done *after* this call:
904 DRI_VALIDATE_DRAWABLE_INFO(sPriv
, dPriv
);
906 if (sarea
&& sarea
->ctxOwner
!= me
) {
907 if (INTEL_DEBUG
& DEBUG_BUFMGR
) {
908 fprintf(stderr
, "Lost Context: sarea->ctxOwner %x me %x\n",
909 sarea
->ctxOwner
, me
);
911 sarea
->ctxOwner
= me
;
914 /* If the last consumer of the texture memory wasn't us, notify the fake
915 * bufmgr and record the new owner. We should have the memory shared
916 * between contexts of a single fake bufmgr, but this will at least make
917 * things correct for now.
919 if (!intel
->ttm
&& sarea
->texAge
!= intel
->hHWContext
) {
920 sarea
->texAge
= intel
->hHWContext
;
921 intel_bufmgr_fake_contended_lock_take(intel
->bufmgr
);
922 if (INTEL_DEBUG
& DEBUG_BATCH
)
923 intel_decode_context_reset();
924 if (INTEL_DEBUG
& DEBUG_BUFMGR
)
925 fprintf(stderr
, "Lost Textures: sarea->texAge %x hw context %x\n",
926 sarea
->ctxOwner
, intel
->hHWContext
);
931 if (dPriv
&& intel
->lastStamp
!= dPriv
->lastStamp
) {
932 intelWindowMoved(intel
);
933 intel
->lastStamp
= dPriv
->lastStamp
;
938 _glthread_DECLARE_STATIC_MUTEX(lockMutex
);
940 /* Lock the hardware and validate our state.
942 void LOCK_HARDWARE( struct intel_context
*intel
)
944 __DRIdrawable
*dPriv
= intel
->driDrawable
;
945 __DRIscreen
*sPriv
= intel
->driScreen
;
947 struct intel_framebuffer
*intel_fb
= NULL
;
948 struct intel_renderbuffer
*intel_rb
= NULL
;
950 _glthread_LOCK_MUTEX(lockMutex
);
951 assert(!intel
->locked
);
954 if (intel
->driDrawable
) {
955 intel_fb
= intel
->driDrawable
->driverPrivate
;
959 intel_get_renderbuffer(&intel_fb
->Base
,
960 intel_fb
->Base
._ColorDrawBufferIndexes
[0]);
963 if (intel_rb
&& dPriv
->vblFlags
&&
964 !(dPriv
->vblFlags
& VBLANK_FLAG_NO_IRQ
) &&
965 (intel_fb
->vbl_waited
- intel_rb
->vbl_pending
) > (1<<23)) {
968 vbl
.request
.type
= DRM_VBLANK_ABSOLUTE
;
970 if ( dPriv
->vblFlags
& VBLANK_FLAG_SECONDARY
) {
971 vbl
.request
.type
|= DRM_VBLANK_SECONDARY
;
974 vbl
.request
.sequence
= intel_rb
->vbl_pending
;
975 drmWaitVBlank(intel
->driFd
, &vbl
);
976 intel_fb
->vbl_waited
= vbl
.reply
.sequence
;
979 if (!sPriv
->dri2
.enabled
) {
980 DRM_CAS(intel
->driHwLock
, intel
->hHWContext
,
981 (DRM_LOCK_HELD
|intel
->hHWContext
), __ret
);
984 intelContendedLock( intel
, 0 );
988 if (INTEL_DEBUG
& DEBUG_LOCK
)
989 _mesa_printf("%s - locked\n", __progname
);
993 /* Unlock the hardware using the global current context
995 void UNLOCK_HARDWARE( struct intel_context
*intel
)
997 __DRIscreen
*sPriv
= intel
->driScreen
;
999 intel
->vtbl
.note_unlock( intel
);
1002 if (!sPriv
->dri2
.enabled
)
1003 DRM_UNLOCK(intel
->driFd
, intel
->driHwLock
, intel
->hHWContext
);
1005 _glthread_UNLOCK_MUTEX(lockMutex
);
1007 if (INTEL_DEBUG
& DEBUG_LOCK
)
1008 _mesa_printf("%s - unlocked\n", __progname
);
1011 * Nothing should be left in batch outside of LOCK/UNLOCK which references
1014 if (intel
->batch
->cliprect_mode
== REFERENCES_CLIPRECTS
)
1015 intel_batchbuffer_flush(intel
->batch
);