1 /* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_context.c,v 1.3 2003/05/06 23:52:08 daenzer Exp $ */
3 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
5 The Weather Channel (TM) funded Tungsten Graphics to develop the
6 initial release of the Radeon 8500 driver under the XFree86 license.
7 This notice must be preserved.
9 Permission is hereby granted, free of charge, to any person obtaining
10 a copy of this software and associated documentation files (the
11 "Software"), to deal in the Software without restriction, including
12 without limitation the rights to use, copy, modify, merge, publish,
13 distribute, sublicense, and/or sell copies of the Software, and to
14 permit persons to whom the Software is furnished to do so, subject to
15 the following conditions:
17 The above copyright notice and this permission notice (including the
18 next paragraph) shall be included in all copies or substantial
19 portions of the Software.
21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
25 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 **************************************************************************/
33 * Keith Whitwell <keith@tungstengraphics.com>
37 #include "api_arrayelt.h"
39 #include "simple_list.h"
42 #include "extensions.h"
45 #include "swrast/swrast.h"
46 #include "swrast_setup/swrast_setup.h"
47 #include "array_cache/acache.h"
50 #include "tnl/t_pipeline.h"
52 #include "drivers/common/driverfuncs.h"
54 #include "r200_context.h"
55 #include "r200_ioctl.h"
56 #include "r200_state.h"
57 #include "r200_span.h"
58 #include "r200_pixel.h"
60 #include "r200_swtcl.h"
62 #include "r200_vtxfmt.h"
63 #include "r200_maos.h"
65 #define DRIVER_DATE "20030328"
69 #include "xmlpool.h" /* for symbolic values of enum-type options */
75 /* Return the width and height of the given buffer.
77 static void r200GetBufferSize( GLframebuffer
*buffer
,
78 GLuint
*width
, GLuint
*height
)
80 GET_CURRENT_CONTEXT(ctx
);
81 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
83 LOCK_HARDWARE( rmesa
);
84 *width
= rmesa
->dri
.drawable
->w
;
85 *height
= rmesa
->dri
.drawable
->h
;
86 UNLOCK_HARDWARE( rmesa
);
89 /* Return various strings for glGetString().
91 static const GLubyte
*r200GetString( GLcontext
*ctx
, GLenum name
)
93 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
94 static char buffer
[128];
96 GLuint agp_mode
= rmesa
->r200Screen
->IsPCI
? 0 :
97 rmesa
->r200Screen
->AGPMode
;
101 return (GLubyte
*)"Tungsten Graphics, Inc.";
104 offset
= driGetRendererString( buffer
, "R200", DRIVER_DATE
,
107 sprintf( & buffer
[ offset
], " %sTCL",
108 !(rmesa
->TclFallback
& R200_TCL_FALLBACK_TCL_DISABLE
)
111 return (GLubyte
*)buffer
;
119 /* Extension strings exported by the R200 driver.
121 static const char * const card_extensions
[] =
123 "GL_ARB_multisample",
124 "GL_ARB_multitexture",
125 "GL_ARB_texture_border_clamp",
126 "GL_ARB_texture_compression",
127 "GL_ARB_texture_env_add",
128 "GL_ARB_texture_env_combine",
129 "GL_ARB_texture_env_dot3",
130 "GL_ARB_texture_mirrored_repeat",
131 "GL_EXT_blend_logic_op",
132 "GL_EXT_blend_minmax",
133 "GL_EXT_blend_subtract",
134 "GL_EXT_secondary_color",
135 "GL_EXT_stencil_wrap",
136 "GL_EXT_texture_edge_clamp",
137 "GL_EXT_texture_env_combine",
138 "GL_EXT_texture_env_dot3",
139 "GL_EXT_texture_filter_anisotropic",
140 "GL_EXT_texture_lod_bias",
141 "GL_EXT_texture_mirror_clamp",
142 "GL_EXT_texture_rectangle",
143 "GL_ATI_texture_env_combine3",
144 "GL_ATI_texture_mirror_once",
145 "GL_MESA_pack_invert",
146 "GL_MESA_ycbcr_texture",
147 "GL_NV_blend_square",
148 "GL_SGIS_generate_mipmap",
152 extern const struct tnl_pipeline_stage _r200_render_stage
;
153 extern const struct tnl_pipeline_stage _r200_tcl_stage
;
155 static const struct tnl_pipeline_stage
*r200_pipeline
[] = {
157 /* Try and go straight to t&l
161 /* Catch any t&l fallbacks
163 &_tnl_vertex_transform_stage
,
164 &_tnl_normal_transform_stage
,
165 &_tnl_lighting_stage
,
166 &_tnl_fog_coordinate_stage
,
168 &_tnl_texture_transform_stage
,
170 /* Try again to go to tcl?
171 * - no good for asymmetric-twoside (do with multipass)
172 * - no good for asymmetric-unfilled (do with multipass)
173 * - good for material
175 * - need to manipulate a bit of state
177 * - worth it/not worth it?
180 /* Else do them here.
182 /* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */
183 &_tnl_render_stage
, /* FALLBACK: */
189 /* Initialize the driver's misc functions.
191 static void r200InitDriverFuncs( struct dd_function_table
*functions
)
193 functions
->GetBufferSize
= r200GetBufferSize
;
194 functions
->ResizeBuffers
= _swrast_alloc_buffers
;
195 functions
->GetString
= r200GetString
;
197 functions
->Error
= NULL
;
198 functions
->DrawPixels
= NULL
;
199 functions
->Bitmap
= NULL
;
202 static const struct dri_debug_control debug_control
[] =
204 { "fall", DEBUG_FALLBACKS
},
205 { "tex", DEBUG_TEXTURE
},
206 { "ioctl", DEBUG_IOCTL
},
207 { "prim", DEBUG_PRIMS
},
208 { "vert", DEBUG_VERTS
},
209 { "state", DEBUG_STATE
},
210 { "code", DEBUG_CODEGEN
},
211 { "vfmt", DEBUG_VFMT
},
212 { "vtxf", DEBUG_VFMT
},
213 { "verb", DEBUG_VERBOSE
},
214 { "dri", DEBUG_DRI
},
215 { "dma", DEBUG_DMA
},
216 { "san", DEBUG_SANITY
},
217 { "sync", DEBUG_SYNC
},
218 { "pix", DEBUG_PIXEL
},
219 { "mem", DEBUG_MEMORY
},
225 get_ust_nop( int64_t * ust
)
232 /* Create the device specific rendering context.
234 GLboolean
r200CreateContext( const __GLcontextModes
*glVisual
,
235 __DRIcontextPrivate
*driContextPriv
,
236 void *sharedContextPrivate
)
238 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
239 r200ScreenPtr screen
= (r200ScreenPtr
)(sPriv
->private);
240 struct dd_function_table functions
;
241 r200ContextPtr rmesa
;
242 GLcontext
*ctx
, *shareCtx
;
244 int tcl_mode
, fthrottle_mode
;
247 assert(driContextPriv
);
250 /* Allocate the R200 context */
251 rmesa
= (r200ContextPtr
) CALLOC( sizeof(*rmesa
) );
255 /* Parse configuration files.
256 * Do this here so that initialMaxAnisotropy is set before we create
257 * the default textures.
259 driParseConfigFiles (&rmesa
->optionCache
, &screen
->optionCache
,
260 screen
->driScreen
->myNum
, "r200");
261 rmesa
->initialMaxAnisotropy
= driQueryOptionf(&rmesa
->optionCache
,
262 "def_max_anisotropy");
264 /* Init default driver functions then plug in our R200-specific functions
265 * (the texture functions are especially important)
267 _mesa_init_driver_functions(&functions
);
268 r200InitDriverFuncs(&functions
);
269 r200InitIoctlFuncs(&functions
);
270 r200InitStateFuncs(&functions
);
271 r200InitTextureFuncs(&functions
);
273 /* Allocate and initialize the Mesa context */
274 if (sharedContextPrivate
)
275 shareCtx
= ((r200ContextPtr
) sharedContextPrivate
)->glCtx
;
278 rmesa
->glCtx
= _mesa_create_context(glVisual
, shareCtx
,
279 &functions
, (void *) rmesa
);
284 driContextPriv
->driverPrivate
= rmesa
;
286 /* Init r200 context data */
287 rmesa
->dri
.context
= driContextPriv
;
288 rmesa
->dri
.screen
= sPriv
;
289 rmesa
->dri
.drawable
= NULL
; /* Set by XMesaMakeCurrent */
290 rmesa
->dri
.hwContext
= driContextPriv
->hHWContext
;
291 rmesa
->dri
.hwLock
= &sPriv
->pSAREA
->lock
;
292 rmesa
->dri
.fd
= sPriv
->fd
;
293 rmesa
->dri
.drmMinor
= sPriv
->drmMinor
;
295 rmesa
->r200Screen
= screen
;
296 rmesa
->sarea
= (RADEONSAREAPrivPtr
)((GLubyte
*)sPriv
->pSAREA
+
297 screen
->sarea_priv_offset
);
300 rmesa
->dma
.buf0_address
= rmesa
->r200Screen
->buffers
->list
[0].address
;
302 (void) memset( rmesa
->texture_heaps
, 0, sizeof( rmesa
->texture_heaps
) );
303 make_empty_list( & rmesa
->swapped
);
305 rmesa
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
306 assert(rmesa
->nr_heaps
< R200_NR_TEX_HEAPS
);
307 for ( i
= 0 ; i
< rmesa
->nr_heaps
; i
++ ) {
308 rmesa
->texture_heaps
[i
] = driCreateTextureHeap( i
, rmesa
,
311 RADEON_NR_TEX_REGIONS
,
312 rmesa
->sarea
->texList
[i
],
313 & rmesa
->sarea
->texAge
[i
],
315 sizeof( r200TexObj
),
316 (destroy_texture_object_t
*) r200DestroyTexObj
);
318 rmesa
->texture_depth
= driQueryOptioni (&rmesa
->optionCache
,
320 if (rmesa
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
321 rmesa
->texture_depth
= ( screen
->cpp
== 4 ) ?
322 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
324 rmesa
->swtcl
.RenderIndex
= ~0;
325 rmesa
->lost_context
= 1;
327 /* Set the maximum texture size small enough that we can guarentee that
328 * all texture units can bind a maximal texture and have them both in
329 * texturable memory at once.
333 ctx
->Const
.MaxTextureUnits
= 2;
334 ctx
->Const
.MaxTextureImageUnits
= 2;
335 ctx
->Const
.MaxTextureCoordUnits
= 2;
337 driCalculateMaxTextureLevels( rmesa
->texture_heaps
,
341 11, /* max 2D texture size is 2048x2048 */
342 #if ENABLE_HW_3D_TEXTURE
343 8, /* max 3D texture size is 256^3 */
345 0, /* 3D textures unsupported */
347 11, /* max cube texture size is 2048x2048 */
348 11, /* max texture rectangle size is 2048x2048 */
352 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
356 ctx
->Const
.MinPointSize
= 1.0;
357 ctx
->Const
.MinPointSizeAA
= 1.0;
358 ctx
->Const
.MaxPointSize
= 1.0;
359 ctx
->Const
.MaxPointSizeAA
= 1.0;
361 ctx
->Const
.MinLineWidth
= 1.0;
362 ctx
->Const
.MinLineWidthAA
= 1.0;
363 ctx
->Const
.MaxLineWidth
= 10.0;
364 ctx
->Const
.MaxLineWidthAA
= 10.0;
365 ctx
->Const
.LineWidthGranularity
= 0.0625;
367 /* Initialize the software rasterizer and helper modules.
369 _swrast_CreateContext( ctx
);
370 _ac_CreateContext( ctx
);
371 _tnl_CreateContext( ctx
);
372 _swsetup_CreateContext( ctx
);
373 _ae_create_context( ctx
);
375 /* Install the customized pipeline:
377 _tnl_destroy_pipeline( ctx
);
378 _tnl_install_pipeline( ctx
, r200_pipeline
);
379 ctx
->Driver
.FlushVertices
= r200FlushVertices
;
381 /* Try and keep materials and vertices separate:
383 _tnl_isolate_materials( ctx
, GL_TRUE
);
386 /* Configure swrast to match hardware characteristics:
388 _swrast_allow_pixel_fog( ctx
, GL_FALSE
);
389 _swrast_allow_vertex_fog( ctx
, GL_TRUE
);
392 _math_matrix_ctr( &rmesa
->TexGenMatrix
[0] );
393 _math_matrix_ctr( &rmesa
->TexGenMatrix
[1] );
394 _math_matrix_ctr( &rmesa
->tmpmat
);
395 _math_matrix_set_identity( &rmesa
->TexGenMatrix
[0] );
396 _math_matrix_set_identity( &rmesa
->TexGenMatrix
[1] );
397 _math_matrix_set_identity( &rmesa
->tmpmat
);
399 driInitExtensions( ctx
, card_extensions
, GL_TRUE
);
400 if (rmesa
->r200Screen
->drmSupportsCubeMaps
)
401 _mesa_enable_extension( ctx
, "GL_ARB_texture_cube_map" );
404 r200InitDriverFuncs( ctx
);
405 r200InitIoctlFuncs( ctx
);
406 r200InitStateFuncs( ctx
);
407 r200InitTextureFuncs( ctx
);
409 /* plug in a few more device driver functions */
410 /* XXX these should really go right after _mesa_init_driver_functions() */
411 r200InitPixelFuncs( ctx
);
412 r200InitSpanFuncs( ctx
);
413 r200InitTnlFuncs( ctx
);
414 r200InitState( rmesa
);
415 r200InitSwtcl( ctx
);
417 fthrottle_mode
= driQueryOptioni(&rmesa
->optionCache
, "fthrottle_mode");
418 rmesa
->iw
.irq_seq
= -1;
419 rmesa
->irqsEmitted
= 0;
420 rmesa
->do_irqs
= (rmesa
->dri
.drmMinor
>= 6 &&
421 fthrottle_mode
== DRI_CONF_FTHROTTLE_IRQS
&&
422 rmesa
->r200Screen
->irq
);
424 rmesa
->do_usleeps
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_USLEEPS
);
428 "IRQ's not enabled, falling back to %s: %d %d %d\n",
429 rmesa
->do_usleeps
? "usleeps" : "busy waits",
432 rmesa
->r200Screen
->irq
);
434 rmesa
->vblank_flags
= (rmesa
->r200Screen
->irq
!= 0)
435 ? driGetDefaultVBlankFlags(&rmesa
->optionCache
) : VBLANK_FLAG_NO_IRQ
;
437 rmesa
->prefer_gart_client_texturing
=
438 (getenv("R200_GART_CLIENT_TEXTURES") != 0);
440 rmesa
->get_ust
= (PFNGLXGETUSTPROC
) glXGetProcAddress( (const GLubyte
*) "__glXGetUST" );
441 if ( rmesa
->get_ust
== NULL
) {
442 rmesa
->get_ust
= get_ust_nop
;
445 rmesa
->get_ust
= get_ust_nop
;
447 (*rmesa
->get_ust
)( & rmesa
->swap_ust
);
451 R200_DEBUG
= driParseDebugString( getenv( "R200_DEBUG" ),
453 R200_DEBUG
|= driParseDebugString( getenv( "RADEON_DEBUG" ),
457 tcl_mode
= driQueryOptioni(&rmesa
->optionCache
, "tcl_mode");
458 if (driQueryOptionb(&rmesa
->optionCache
, "no_rast")) {
459 fprintf(stderr
, "disabling 3D acceleration\n");
460 FALLBACK(rmesa
, R200_FALLBACK_DISABLE
, 1);
462 else if (tcl_mode
== DRI_CONF_TCL_SW
|| getenv("R200_NO_TCL") ||
463 !(rmesa
->r200Screen
->chipset
& R200_CHIPSET_TCL
)) {
464 rmesa
->r200Screen
->chipset
&= ~R200_CHIPSET_TCL
;
465 fprintf(stderr
, "disabling TCL support\n");
466 TCL_FALLBACK(rmesa
->glCtx
, R200_TCL_FALLBACK_TCL_DISABLE
, 1);
468 if (rmesa
->r200Screen
->chipset
& R200_CHIPSET_TCL
) {
469 if (tcl_mode
>= DRI_CONF_TCL_VTXFMT
&& !getenv("R200_NO_VTXFMT")) {
470 r200VtxfmtInit( ctx
, tcl_mode
>= DRI_CONF_TCL_CODEGEN
);
472 _tnl_need_dlist_norm_lengths( ctx
, GL_FALSE
);
478 /* Destroy the device specific context.
480 /* Destroy the Mesa and driver specific context data.
482 void r200DestroyContext( __DRIcontextPrivate
*driContextPriv
)
484 GET_CURRENT_CONTEXT(ctx
);
485 r200ContextPtr rmesa
= (r200ContextPtr
) driContextPriv
->driverPrivate
;
486 r200ContextPtr current
= ctx
? R200_CONTEXT(ctx
) : NULL
;
488 /* check if we're deleting the currently bound context */
489 if (rmesa
== current
) {
490 R200_FIREVERTICES( rmesa
);
491 _mesa_make_current2(NULL
, NULL
, NULL
);
494 /* Free r200 context resources */
495 assert(rmesa
); /* should never be null */
497 GLboolean release_texture_heaps
;
500 release_texture_heaps
= (rmesa
->glCtx
->Shared
->RefCount
== 1);
501 _swsetup_DestroyContext( rmesa
->glCtx
);
502 _tnl_DestroyContext( rmesa
->glCtx
);
503 _ac_DestroyContext( rmesa
->glCtx
);
504 _swrast_DestroyContext( rmesa
->glCtx
);
506 r200DestroySwtcl( rmesa
->glCtx
);
507 r200ReleaseArrays( rmesa
->glCtx
, ~0 );
509 if (rmesa
->dma
.current
.buf
) {
510 r200ReleaseDmaRegion( rmesa
, &rmesa
->dma
.current
, __FUNCTION__
);
511 r200FlushCmdBuf( rmesa
, __FUNCTION__
);
514 if (!(rmesa
->TclFallback
& R200_TCL_FALLBACK_TCL_DISABLE
)) {
515 int tcl_mode
= driQueryOptioni(&rmesa
->optionCache
, "tcl_mode");
516 if (tcl_mode
>= DRI_CONF_TCL_VTXFMT
)
517 r200VtxfmtDestroy( rmesa
->glCtx
);
520 /* free the Mesa context */
521 rmesa
->glCtx
->DriverCtx
= NULL
;
522 _mesa_destroy_context( rmesa
->glCtx
);
524 if (rmesa
->state
.scissor
.pClipRects
) {
525 FREE(rmesa
->state
.scissor
.pClipRects
);
526 rmesa
->state
.scissor
.pClipRects
= 0;
529 if ( release_texture_heaps
) {
530 /* This share group is about to go away, free our private
531 * texture object data.
535 for ( i
= 0 ; i
< rmesa
->nr_heaps
; i
++ ) {
536 driDestroyTextureHeap( rmesa
->texture_heaps
[ i
] );
537 rmesa
->texture_heaps
[ i
] = NULL
;
540 assert( is_empty_list( & rmesa
->swapped
) );
543 /* free the option cache */
544 driDestroyOptionCache (&rmesa
->optionCache
);
554 r200SwapBuffers( __DRIdrawablePrivate
*dPriv
)
556 if (dPriv
->driContextPriv
&& dPriv
->driContextPriv
->driverPrivate
) {
557 r200ContextPtr rmesa
;
559 rmesa
= (r200ContextPtr
) dPriv
->driContextPriv
->driverPrivate
;
561 if (ctx
->Visual
.doubleBufferMode
) {
562 _mesa_notifySwapBuffers( ctx
); /* flush pending rendering comands */
563 if ( rmesa
->doPageFlip
) {
564 r200PageFlip( dPriv
);
567 r200CopyBuffer( dPriv
);
572 /* XXX this shouldn't be an error but we can't handle it for now */
573 _mesa_problem(NULL
, "%s: drawable has no context!", __FUNCTION__
);
578 /* Force the context `c' to be the current context and associate with it
582 r200MakeCurrent( __DRIcontextPrivate
*driContextPriv
,
583 __DRIdrawablePrivate
*driDrawPriv
,
584 __DRIdrawablePrivate
*driReadPriv
)
586 if ( driContextPriv
) {
587 r200ContextPtr newCtx
=
588 (r200ContextPtr
) driContextPriv
->driverPrivate
;
590 if (R200_DEBUG
& DEBUG_DRI
)
591 fprintf(stderr
, "%s ctx %p\n", __FUNCTION__
, (void *)newCtx
->glCtx
);
593 if ( newCtx
->dri
.drawable
!= driDrawPriv
) {
594 driDrawableInitVBlank( driDrawPriv
, newCtx
->vblank_flags
);
595 newCtx
->dri
.drawable
= driDrawPriv
;
596 r200UpdateWindow( newCtx
->glCtx
);
597 r200UpdateViewportOffset( newCtx
->glCtx
);
600 _mesa_make_current2( newCtx
->glCtx
,
601 (GLframebuffer
*) driDrawPriv
->driverPrivate
,
602 (GLframebuffer
*) driReadPriv
->driverPrivate
);
604 if ( !newCtx
->glCtx
->Viewport
.Width
) {
605 _mesa_set_viewport( newCtx
->glCtx
, 0, 0,
606 driDrawPriv
->w
, driDrawPriv
->h
);
609 if (newCtx
->vb
.enabled
)
610 r200VtxfmtMakeCurrent( newCtx
->glCtx
);
612 _mesa_update_state( newCtx
->glCtx
);
613 r200ValidateState( newCtx
->glCtx
);
616 if (R200_DEBUG
& DEBUG_DRI
)
617 fprintf(stderr
, "%s ctx is null\n", __FUNCTION__
);
618 _mesa_make_current( 0, 0 );
621 if (R200_DEBUG
& DEBUG_DRI
)
622 fprintf(stderr
, "End %s\n", __FUNCTION__
);
626 /* Force the context `c' to be unbound from its buffer.
629 r200UnbindContext( __DRIcontextPrivate
*driContextPriv
)
631 r200ContextPtr rmesa
= (r200ContextPtr
) driContextPriv
->driverPrivate
;
633 if (R200_DEBUG
& DEBUG_DRI
)
634 fprintf(stderr
, "%s ctx %p\n", __FUNCTION__
, (void *)rmesa
->glCtx
);
636 r200VtxfmtUnbindContext( rmesa
->glCtx
);