1 /* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_context.c,v 1.9 2003/09/24 02:43:12 dawes Exp $ */
2 /**************************************************************************
4 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
5 VA Linux Systems Inc., Fremont, California.
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 * Kevin E. Martin <martin@valinux.com>
34 * Gareth Hughes <gareth@valinux.com>
35 * Keith Whitwell <keith@tungstengraphics.com>
39 #include "api_arrayelt.h"
41 #include "simple_list.h"
44 #include "extensions.h"
46 #include "swrast/swrast.h"
47 #include "swrast_setup/swrast_setup.h"
48 #include "array_cache/acache.h"
51 #include "tnl/t_pipeline.h"
53 #include "drivers/common/driverfuncs.h"
55 #include "radeon_context.h"
56 #include "radeon_ioctl.h"
57 #include "radeon_state.h"
58 #include "radeon_span.h"
59 #include "radeon_tex.h"
60 #include "radeon_swtcl.h"
61 #include "radeon_tcl.h"
62 #include "radeon_vtxfmt.h"
63 #include "radeon_maos.h"
65 #define DRIVER_DATE "20030328"
69 #include "xmlpool.h" /* for symbolic values of enum-type options */
71 int RADEON_DEBUG
= (0);
75 /* Return the width and height of the given buffer.
77 static void radeonGetBufferSize( GLframebuffer
*buffer
,
78 GLuint
*width
, GLuint
*height
)
80 GET_CURRENT_CONTEXT(ctx
);
81 radeonContextPtr rmesa
= RADEON_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
*radeonGetString( GLcontext
*ctx
, GLenum name
)
93 radeonContextPtr rmesa
= RADEON_CONTEXT(ctx
);
94 static char buffer
[128];
96 GLuint agp_mode
= rmesa
->radeonScreen
->IsPCI
? 0 :
97 rmesa
->radeonScreen
->AGPMode
;
101 return (GLubyte
*)"Tungsten Graphics, Inc.";
104 offset
= driGetRendererString( buffer
, "Radeon", DRIVER_DATE
,
107 sprintf( & buffer
[ offset
], " %sTCL",
108 !(rmesa
->TclFallback
& RADEON_TCL_FALLBACK_TCL_DISABLE
)
111 return (GLubyte
*)buffer
;
119 /* Extension strings exported by the R100 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_subtract",
133 "GL_EXT_secondary_color",
134 "GL_EXT_texture_edge_clamp",
135 "GL_EXT_texture_env_combine",
136 "GL_EXT_texture_env_dot3",
137 "GL_EXT_texture_filter_anisotropic",
138 "GL_EXT_texture_lod_bias",
139 "GL_EXT_texture_mirror_clamp",
140 "GL_ATI_texture_env_combine3",
141 "GL_ATI_texture_mirror_once",
142 "GL_MESA_ycbcr_texture",
143 "GL_NV_blend_square",
144 "GL_SGIS_generate_mipmap",
148 extern const struct tnl_pipeline_stage _radeon_texrect_stage
;
149 extern const struct tnl_pipeline_stage _radeon_render_stage
;
150 extern const struct tnl_pipeline_stage _radeon_tcl_stage
;
152 static const struct tnl_pipeline_stage
*radeon_pipeline
[] = {
154 /* Try and go straight to t&l
158 /* Catch any t&l fallbacks
160 &_tnl_vertex_transform_stage
,
161 &_tnl_normal_transform_stage
,
162 &_tnl_lighting_stage
,
163 &_tnl_fog_coordinate_stage
,
165 &_tnl_texture_transform_stage
,
167 /* Scale texture rectangle to 0..1.
169 &_radeon_texrect_stage
,
171 &_radeon_render_stage
,
172 &_tnl_render_stage
, /* FALLBACK: */
178 /* Initialize the driver's misc functions.
180 static void radeonInitDriverFuncs( struct dd_function_table
*functions
)
182 functions
->GetBufferSize
= radeonGetBufferSize
;
183 functions
->ResizeBuffers
= _swrast_alloc_buffers
;
184 functions
->GetString
= radeonGetString
;
187 static const struct dri_debug_control debug_control
[] =
189 { "fall", DEBUG_FALLBACKS
},
190 { "tex", DEBUG_TEXTURE
},
191 { "ioctl", DEBUG_IOCTL
},
192 { "prim", DEBUG_PRIMS
},
193 { "vert", DEBUG_VERTS
},
194 { "state", DEBUG_STATE
},
195 { "code", DEBUG_CODEGEN
},
196 { "vfmt", DEBUG_VFMT
},
197 { "vtxf", DEBUG_VFMT
},
198 { "verb", DEBUG_VERBOSE
},
199 { "dri", DEBUG_DRI
},
200 { "dma", DEBUG_DMA
},
201 { "san", DEBUG_SANITY
},
207 get_ust_nop( int64_t * ust
)
214 /* Create the device specific context.
217 radeonCreateContext( const __GLcontextModes
*glVisual
,
218 __DRIcontextPrivate
*driContextPriv
,
219 void *sharedContextPrivate
)
221 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
222 radeonScreenPtr screen
= (radeonScreenPtr
)(sPriv
->private);
223 struct dd_function_table functions
;
224 radeonContextPtr rmesa
;
225 GLcontext
*ctx
, *shareCtx
;
227 int tcl_mode
, fthrottle_mode
;
230 assert(driContextPriv
);
233 /* Allocate the Radeon context */
234 rmesa
= (radeonContextPtr
) CALLOC( sizeof(*rmesa
) );
238 /* Parse configuration files.
239 * Do this here so that initialMaxAnisotropy is set before we create
240 * the default textures.
242 driParseConfigFiles (&rmesa
->optionCache
, &screen
->optionCache
,
243 screen
->driScreen
->myNum
, "radeon");
244 rmesa
->initialMaxAnisotropy
= driQueryOptionf(&rmesa
->optionCache
,
245 "def_max_anisotropy");
247 /* Init default driver functions then plug in our Radeon-specific functions
248 * (the texture functions are especially important)
250 _mesa_init_driver_functions( &functions
);
251 radeonInitDriverFuncs( &functions
);
252 radeonInitTextureFuncs( &functions
);
254 /* Allocate the Mesa context */
255 if (sharedContextPrivate
)
256 shareCtx
= ((radeonContextPtr
) sharedContextPrivate
)->glCtx
;
259 rmesa
->glCtx
= _mesa_create_context(glVisual
, shareCtx
,
260 &functions
, (void *) rmesa
);
265 driContextPriv
->driverPrivate
= rmesa
;
267 /* Init radeon context data */
268 rmesa
->dri
.context
= driContextPriv
;
269 rmesa
->dri
.screen
= sPriv
;
270 rmesa
->dri
.drawable
= NULL
; /* Set by XMesaMakeCurrent */
271 rmesa
->dri
.hwContext
= driContextPriv
->hHWContext
;
272 rmesa
->dri
.hwLock
= &sPriv
->pSAREA
->lock
;
273 rmesa
->dri
.fd
= sPriv
->fd
;
274 rmesa
->dri
.drmMinor
= sPriv
->drmMinor
;
276 rmesa
->radeonScreen
= screen
;
277 rmesa
->sarea
= (drm_radeon_sarea_t
*)((GLubyte
*)sPriv
->pSAREA
+
278 screen
->sarea_priv_offset
);
281 rmesa
->dma
.buf0_address
= rmesa
->radeonScreen
->buffers
->list
[0].address
;
283 (void) memset( rmesa
->texture_heaps
, 0, sizeof( rmesa
->texture_heaps
) );
284 make_empty_list( & rmesa
->swapped
);
286 rmesa
->nr_heaps
= screen
->numTexHeaps
;
287 for ( i
= 0 ; i
< rmesa
->nr_heaps
; i
++ ) {
288 rmesa
->texture_heaps
[i
] = driCreateTextureHeap( i
, rmesa
,
291 RADEON_NR_TEX_REGIONS
,
292 (drmTextureRegionPtr
)rmesa
->sarea
->tex_list
[i
],
293 & rmesa
->sarea
->tex_age
[i
],
295 sizeof( radeonTexObj
),
296 (destroy_texture_object_t
*) radeonDestroyTexObj
);
298 driSetTextureSwapCounterLocation( rmesa
->texture_heaps
[i
],
299 & rmesa
->c_textureSwaps
);
301 rmesa
->texture_depth
= driQueryOptioni (&rmesa
->optionCache
,
303 if (rmesa
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
304 rmesa
->texture_depth
= ( screen
->cpp
== 4 ) ?
305 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
307 rmesa
->swtcl
.RenderIndex
= ~0;
308 rmesa
->lost_context
= 1;
310 /* Set the maximum texture size small enough that we can guarentee that
311 * all texture units can bind a maximal texture and have them both in
312 * texturable memory at once.
316 ctx
->Const
.MaxTextureUnits
= 2;
317 ctx
->Const
.MaxTextureImageUnits
= 2;
318 ctx
->Const
.MaxTextureCoordUnits
= 2;
320 driCalculateMaxTextureLevels( rmesa
->texture_heaps
,
324 11, /* max 2D texture size is 2048x2048 */
325 0, /* 3D textures unsupported. */
326 0, /* cube textures unsupported. */
327 11, /* max rect texture size is 2048x2048. */
331 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
335 ctx
->Const
.MinPointSize
= 1.0;
336 ctx
->Const
.MinPointSizeAA
= 1.0;
337 ctx
->Const
.MaxPointSize
= 1.0;
338 ctx
->Const
.MaxPointSizeAA
= 1.0;
340 ctx
->Const
.MinLineWidth
= 1.0;
341 ctx
->Const
.MinLineWidthAA
= 1.0;
342 ctx
->Const
.MaxLineWidth
= 10.0;
343 ctx
->Const
.MaxLineWidthAA
= 10.0;
344 ctx
->Const
.LineWidthGranularity
= 0.0625;
346 /* Set maxlocksize (and hence vb size) small enough to avoid
347 * fallbacks in radeon_tcl.c. ie. guarentee that all vertices can
348 * fit in a single dma buffer for indexed rendering of quad strips,
351 ctx
->Const
.MaxArrayLockSize
=
352 MIN2( ctx
->Const
.MaxArrayLockSize
,
353 RADEON_BUFFER_SIZE
/ RADEON_MAX_TCL_VERTSIZE
);
357 /* Initialize the software rasterizer and helper modules.
359 _swrast_CreateContext( ctx
);
360 _ac_CreateContext( ctx
);
361 _tnl_CreateContext( ctx
);
362 _swsetup_CreateContext( ctx
);
363 _ae_create_context( ctx
);
365 /* Install the customized pipeline:
367 _tnl_destroy_pipeline( ctx
);
368 _tnl_install_pipeline( ctx
, radeon_pipeline
);
369 ctx
->Driver
.FlushVertices
= radeonFlushVertices
;
371 /* Try and keep materials and vertices separate:
373 _tnl_isolate_materials( ctx
, GL_TRUE
);
376 /* _mesa_allow_light_in_model( ctx, GL_FALSE ); */
378 /* Try and keep materials and vertices separate:
380 _tnl_isolate_materials( ctx
, GL_TRUE
);
383 /* Configure swrast and T&L to match hardware characteristics:
385 _swrast_allow_pixel_fog( ctx
, GL_FALSE
);
386 _swrast_allow_vertex_fog( ctx
, GL_TRUE
);
387 _tnl_allow_pixel_fog( ctx
, GL_FALSE
);
388 _tnl_allow_vertex_fog( ctx
, GL_TRUE
);
391 _math_matrix_ctr( &rmesa
->TexGenMatrix
[0] );
392 _math_matrix_ctr( &rmesa
->TexGenMatrix
[1] );
393 _math_matrix_ctr( &rmesa
->tmpmat
);
394 _math_matrix_set_identity( &rmesa
->TexGenMatrix
[0] );
395 _math_matrix_set_identity( &rmesa
->TexGenMatrix
[1] );
396 _math_matrix_set_identity( &rmesa
->tmpmat
);
398 driInitExtensions( ctx
, card_extensions
, GL_TRUE
);
400 if (rmesa
->dri
.drmMinor
>= 9)
401 _mesa_enable_extension( ctx
, "GL_NV_texture_rectangle");
403 /* XXX these should really go right after _mesa_init_driver_functions() */
404 radeonInitIoctlFuncs( ctx
);
405 radeonInitStateFuncs( ctx
);
406 radeonInitSpanFuncs( ctx
);
407 radeonInitState( rmesa
);
408 radeonInitSwtcl( ctx
);
410 _mesa_vector4f_alloc( &rmesa
->tcl
.ObjClean
, 0,
411 ctx
->Const
.MaxArrayLockSize
, 32 );
413 fthrottle_mode
= driQueryOptioni(&rmesa
->optionCache
, "fthrottle_mode");
414 rmesa
->iw
.irq_seq
= -1;
415 rmesa
->irqsEmitted
= 0;
416 rmesa
->do_irqs
= (rmesa
->radeonScreen
->irq
!= 0 &&
417 fthrottle_mode
== DRI_CONF_FTHROTTLE_IRQS
);
419 rmesa
->do_usleeps
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_USLEEPS
);
421 rmesa
->vblank_flags
= (rmesa
->radeonScreen
->irq
!= 0)
422 ? driGetDefaultVBlankFlags(&rmesa
->optionCache
) : VBLANK_FLAG_NO_IRQ
;
424 rmesa
->get_ust
= (PFNGLXGETUSTPROC
) glXGetProcAddress( (const GLubyte
*) "__glXGetUST" );
425 if ( rmesa
->get_ust
== NULL
) {
426 rmesa
->get_ust
= get_ust_nop
;
429 rmesa
->get_ust
= get_ust_nop
;
432 (*rmesa
->get_ust
)( & rmesa
->swap_ust
);
436 RADEON_DEBUG
= driParseDebugString( getenv( "RADEON_DEBUG" ),
440 tcl_mode
= driQueryOptioni(&rmesa
->optionCache
, "tcl_mode");
441 if (driQueryOptionb(&rmesa
->optionCache
, "no_rast")) {
442 fprintf(stderr
, "disabling 3D acceleration\n");
443 FALLBACK(rmesa
, RADEON_FALLBACK_DISABLE
, 1);
444 } else if (tcl_mode
== DRI_CONF_TCL_SW
||
445 !(rmesa
->radeonScreen
->chipset
& RADEON_CHIPSET_TCL
)) {
446 if (rmesa
->radeonScreen
->chipset
& RADEON_CHIPSET_TCL
) {
447 rmesa
->radeonScreen
->chipset
&= ~RADEON_CHIPSET_TCL
;
448 fprintf(stderr
, "Disabling HW TCL support\n");
450 TCL_FALLBACK(rmesa
->glCtx
, RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
453 if (rmesa
->radeonScreen
->chipset
& RADEON_CHIPSET_TCL
) {
454 if (tcl_mode
>= DRI_CONF_TCL_VTXFMT
)
455 radeonVtxfmtInit( ctx
, tcl_mode
>= DRI_CONF_TCL_CODEGEN
);
457 _tnl_need_dlist_norm_lengths( ctx
, GL_FALSE
);
463 /* Destroy the device specific context.
465 /* Destroy the Mesa and driver specific context data.
467 void radeonDestroyContext( __DRIcontextPrivate
*driContextPriv
)
469 GET_CURRENT_CONTEXT(ctx
);
470 radeonContextPtr rmesa
= (radeonContextPtr
) driContextPriv
->driverPrivate
;
471 radeonContextPtr current
= ctx
? RADEON_CONTEXT(ctx
) : NULL
;
473 /* check if we're deleting the currently bound context */
474 if (rmesa
== current
) {
475 RADEON_FIREVERTICES( rmesa
);
476 _mesa_make_current2(NULL
, NULL
, NULL
);
479 /* Free radeon context resources */
480 assert(rmesa
); /* should never be null */
482 GLboolean release_texture_heaps
;
485 release_texture_heaps
= (rmesa
->glCtx
->Shared
->RefCount
== 1);
486 _swsetup_DestroyContext( rmesa
->glCtx
);
487 _tnl_DestroyContext( rmesa
->glCtx
);
488 _ac_DestroyContext( rmesa
->glCtx
);
489 _swrast_DestroyContext( rmesa
->glCtx
);
491 radeonDestroySwtcl( rmesa
->glCtx
);
492 radeonReleaseArrays( rmesa
->glCtx
, ~0 );
493 if (rmesa
->dma
.current
.buf
) {
494 radeonReleaseDmaRegion( rmesa
, &rmesa
->dma
.current
, __FUNCTION__
);
495 radeonFlushCmdBuf( rmesa
, __FUNCTION__
);
498 if (!(rmesa
->TclFallback
& RADEON_TCL_FALLBACK_TCL_DISABLE
)) {
499 int tcl_mode
= driQueryOptioni(&rmesa
->optionCache
, "tcl_mode");
500 if (tcl_mode
>= DRI_CONF_TCL_VTXFMT
)
501 radeonVtxfmtDestroy( rmesa
->glCtx
);
504 /* free the Mesa context */
505 rmesa
->glCtx
->DriverCtx
= NULL
;
506 _mesa_destroy_context( rmesa
->glCtx
);
508 _mesa_vector4f_free( &rmesa
->tcl
.ObjClean
);
510 if (rmesa
->state
.scissor
.pClipRects
) {
511 FREE(rmesa
->state
.scissor
.pClipRects
);
512 rmesa
->state
.scissor
.pClipRects
= 0;
515 if ( release_texture_heaps
) {
516 /* This share group is about to go away, free our private
517 * texture object data.
521 for ( i
= 0 ; i
< rmesa
->nr_heaps
; i
++ ) {
522 driDestroyTextureHeap( rmesa
->texture_heaps
[ i
] );
523 rmesa
->texture_heaps
[ i
] = NULL
;
526 assert( is_empty_list( & rmesa
->swapped
) );
529 /* free the option cache */
530 driDestroyOptionCache (&rmesa
->optionCache
);
540 radeonSwapBuffers( __DRIdrawablePrivate
*dPriv
)
543 if (dPriv
->driContextPriv
&& dPriv
->driContextPriv
->driverPrivate
) {
544 radeonContextPtr rmesa
;
546 rmesa
= (radeonContextPtr
) dPriv
->driContextPriv
->driverPrivate
;
548 if (ctx
->Visual
.doubleBufferMode
) {
549 _mesa_notifySwapBuffers( ctx
); /* flush pending rendering comands */
551 if ( rmesa
->doPageFlip
) {
552 radeonPageFlip( dPriv
);
555 radeonCopyBuffer( dPriv
);
560 /* XXX this shouldn't be an error but we can't handle it for now */
561 _mesa_problem(NULL
, "%s: drawable has no context!", __FUNCTION__
);
566 /* Force the context `c' to be the current context and associate with it
570 radeonMakeCurrent( __DRIcontextPrivate
*driContextPriv
,
571 __DRIdrawablePrivate
*driDrawPriv
,
572 __DRIdrawablePrivate
*driReadPriv
)
574 if ( driContextPriv
) {
575 radeonContextPtr newCtx
=
576 (radeonContextPtr
) driContextPriv
->driverPrivate
;
578 if (RADEON_DEBUG
& DEBUG_DRI
)
579 fprintf(stderr
, "%s ctx %p\n", __FUNCTION__
, (void *) newCtx
->glCtx
);
581 if ( newCtx
->dri
.drawable
!= driDrawPriv
) {
582 driDrawableInitVBlank( driDrawPriv
, newCtx
->vblank_flags
);
583 newCtx
->dri
.drawable
= driDrawPriv
;
584 radeonUpdateWindow( newCtx
->glCtx
);
585 radeonUpdateViewportOffset( newCtx
->glCtx
);
588 _mesa_make_current2( newCtx
->glCtx
,
589 (GLframebuffer
*) driDrawPriv
->driverPrivate
,
590 (GLframebuffer
*) driReadPriv
->driverPrivate
);
592 if ( !newCtx
->glCtx
->Viewport
.Width
) {
593 _mesa_set_viewport( newCtx
->glCtx
, 0, 0,
594 driDrawPriv
->w
, driDrawPriv
->h
);
597 if (newCtx
->vb
.enabled
)
598 radeonVtxfmtMakeCurrent( newCtx
->glCtx
);
601 if (RADEON_DEBUG
& DEBUG_DRI
)
602 fprintf(stderr
, "%s ctx is null\n", __FUNCTION__
);
603 _mesa_make_current( 0, 0 );
606 if (RADEON_DEBUG
& DEBUG_DRI
)
607 fprintf(stderr
, "End %s\n", __FUNCTION__
);
611 /* Force the context `c' to be unbound from its buffer.
614 radeonUnbindContext( __DRIcontextPrivate
*driContextPriv
)
616 radeonContextPtr rmesa
= (radeonContextPtr
) driContextPriv
->driverPrivate
;
618 if (RADEON_DEBUG
& DEBUG_DRI
)
619 fprintf(stderr
, "%s ctx %p\n", __FUNCTION__
, (void *) rmesa
->glCtx
);