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"
43 #include "framebuffer.h"
46 #include "swrast/swrast.h"
47 #include "swrast_setup/swrast_setup.h"
51 #include "tnl/t_pipeline.h"
53 #include "drivers/common/driverfuncs.h"
55 #include "r200_context.h"
56 #include "r200_ioctl.h"
57 #include "r200_state.h"
58 #include "r200_span.h"
59 #include "r200_pixel.h"
61 #include "r200_swtcl.h"
63 #include "r200_maos.h"
64 #include "r200_vertprog.h"
66 #define need_GL_ARB_multisample
67 #define need_GL_ARB_texture_compression
68 #define need_GL_ARB_vertex_buffer_object
69 #define need_GL_ARB_vertex_program
70 #define need_GL_ATI_fragment_shader
71 #define need_GL_EXT_blend_minmax
72 #define need_GL_EXT_fog_coord
73 #define need_GL_EXT_secondary_color
74 #define need_GL_EXT_blend_equation_separate
75 #define need_GL_EXT_blend_func_separate
76 #define need_GL_NV_vertex_program
77 #define need_GL_ARB_point_parameters
78 #include "extension_helper.h"
80 #define DRIVER_DATE "20060602"
84 #include "xmlpool.h" /* for symbolic values of enum-type options */
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
->card_type
== RADEON_CARD_PCI
)? 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 const struct dri_extension card_extensions
[] =
123 { "GL_ARB_multisample", GL_ARB_multisample_functions
},
124 { "GL_ARB_multitexture", NULL
},
125 { "GL_ARB_texture_border_clamp", NULL
},
126 { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
127 { "GL_ARB_texture_env_add", NULL
},
128 { "GL_ARB_texture_env_combine", NULL
},
129 { "GL_ARB_texture_env_dot3", NULL
},
130 { "GL_ARB_texture_env_crossbar", NULL
},
131 { "GL_ARB_texture_mirrored_repeat", NULL
},
132 { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
133 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
134 { "GL_EXT_blend_subtract", NULL
},
135 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions
},
136 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
137 { "GL_EXT_stencil_wrap", NULL
},
138 { "GL_EXT_texture_edge_clamp", NULL
},
139 { "GL_EXT_texture_env_combine", NULL
},
140 { "GL_EXT_texture_env_dot3", NULL
},
141 { "GL_EXT_texture_filter_anisotropic", NULL
},
142 { "GL_EXT_texture_lod_bias", NULL
},
143 { "GL_EXT_texture_mirror_clamp", NULL
},
144 { "GL_EXT_texture_rectangle", NULL
},
145 { "GL_ATI_texture_env_combine3", NULL
},
146 { "GL_ATI_texture_mirror_once", NULL
},
147 { "GL_MESA_pack_invert", NULL
},
148 { "GL_NV_blend_square", NULL
},
149 { "GL_SGIS_generate_mipmap", NULL
},
153 const struct dri_extension blend_extensions
[] = {
154 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions
},
155 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
159 const struct dri_extension ARB_vp_extension
[] = {
160 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions
}
163 const struct dri_extension NV_vp_extension
[] = {
164 { "GL_NV_vertex_program", GL_NV_vertex_program_functions
}
167 const struct dri_extension ATI_fs_extension
[] = {
168 { "GL_ATI_fragment_shader", GL_ATI_fragment_shader_functions
}
171 const struct dri_extension point_extensions
[] = {
172 { "GL_ARB_point_sprite", NULL
},
173 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
177 extern const struct tnl_pipeline_stage _r200_render_stage
;
178 extern const struct tnl_pipeline_stage _r200_tcl_stage
;
180 static const struct tnl_pipeline_stage
*r200_pipeline
[] = {
182 /* Try and go straight to t&l
186 /* Catch any t&l fallbacks
188 &_tnl_vertex_transform_stage
,
189 &_tnl_normal_transform_stage
,
190 &_tnl_lighting_stage
,
191 &_tnl_fog_coordinate_stage
,
193 &_tnl_texture_transform_stage
,
194 &_tnl_point_attenuation_stage
,
195 &_tnl_vertex_program_stage
,
196 /* Try again to go to tcl?
197 * - no good for asymmetric-twoside (do with multipass)
198 * - no good for asymmetric-unfilled (do with multipass)
199 * - good for material
201 * - need to manipulate a bit of state
203 * - worth it/not worth it?
206 /* Else do them here.
208 /* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */
209 &_tnl_render_stage
, /* FALLBACK: */
215 /* Initialize the driver's misc functions.
217 static void r200InitDriverFuncs( struct dd_function_table
*functions
)
219 functions
->GetBufferSize
= NULL
; /* OBSOLETE */
220 functions
->GetString
= r200GetString
;
223 static const struct dri_debug_control debug_control
[] =
225 { "fall", DEBUG_FALLBACKS
},
226 { "tex", DEBUG_TEXTURE
},
227 { "ioctl", DEBUG_IOCTL
},
228 { "prim", DEBUG_PRIMS
},
229 { "vert", DEBUG_VERTS
},
230 { "state", DEBUG_STATE
},
231 { "code", DEBUG_CODEGEN
},
232 { "vfmt", DEBUG_VFMT
},
233 { "vtxf", DEBUG_VFMT
},
234 { "verb", DEBUG_VERBOSE
},
235 { "dri", DEBUG_DRI
},
236 { "dma", DEBUG_DMA
},
237 { "san", DEBUG_SANITY
},
238 { "sync", DEBUG_SYNC
},
239 { "pix", DEBUG_PIXEL
},
240 { "mem", DEBUG_MEMORY
},
245 /* Create the device specific rendering context.
247 GLboolean
r200CreateContext( const __GLcontextModes
*glVisual
,
248 __DRIcontextPrivate
*driContextPriv
,
249 void *sharedContextPrivate
)
251 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
252 radeonScreenPtr screen
= (radeonScreenPtr
)(sPriv
->private);
253 struct dd_function_table functions
;
254 r200ContextPtr rmesa
;
255 GLcontext
*ctx
, *shareCtx
;
257 int tcl_mode
, fthrottle_mode
;
260 assert(driContextPriv
);
263 /* Allocate the R200 context */
264 rmesa
= (r200ContextPtr
) CALLOC( sizeof(*rmesa
) );
268 /* init exp fog table data */
269 r200InitStaticFogData();
271 /* Parse configuration files.
272 * Do this here so that initialMaxAnisotropy is set before we create
273 * the default textures.
275 driParseConfigFiles (&rmesa
->optionCache
, &screen
->optionCache
,
276 screen
->driScreen
->myNum
, "r200");
277 rmesa
->initialMaxAnisotropy
= driQueryOptionf(&rmesa
->optionCache
,
278 "def_max_anisotropy");
280 if ( driQueryOptionb( &rmesa
->optionCache
, "hyperz" ) ) {
281 if ( sPriv
->drmMinor
< 13 )
282 fprintf( stderr
, "DRM version 1.%d too old to support HyperZ, "
283 "disabling.\n",sPriv
->drmMinor
);
285 rmesa
->using_hyperz
= GL_TRUE
;
288 if ( sPriv
->drmMinor
>= 15 )
289 rmesa
->texmicrotile
= GL_TRUE
;
291 /* Init default driver functions then plug in our R200-specific functions
292 * (the texture functions are especially important)
294 _mesa_init_driver_functions(&functions
);
295 r200InitDriverFuncs(&functions
);
296 r200InitIoctlFuncs(&functions
);
297 r200InitStateFuncs(&functions
);
298 r200InitTextureFuncs(&functions
);
299 r200InitShaderFuncs(&functions
);
301 /* Allocate and initialize the Mesa context */
302 if (sharedContextPrivate
)
303 shareCtx
= ((r200ContextPtr
) sharedContextPrivate
)->glCtx
;
306 rmesa
->glCtx
= _mesa_create_context(glVisual
, shareCtx
,
307 &functions
, (void *) rmesa
);
312 driContextPriv
->driverPrivate
= rmesa
;
314 /* Init r200 context data */
315 rmesa
->dri
.context
= driContextPriv
;
316 rmesa
->dri
.screen
= sPriv
;
317 rmesa
->dri
.drawable
= NULL
; /* Set by XMesaMakeCurrent */
318 rmesa
->dri
.hwContext
= driContextPriv
->hHWContext
;
319 rmesa
->dri
.hwLock
= &sPriv
->pSAREA
->lock
;
320 rmesa
->dri
.fd
= sPriv
->fd
;
321 rmesa
->dri
.drmMinor
= sPriv
->drmMinor
;
323 rmesa
->r200Screen
= screen
;
324 rmesa
->sarea
= (drm_radeon_sarea_t
*)((GLubyte
*)sPriv
->pSAREA
+
325 screen
->sarea_priv_offset
);
328 rmesa
->dma
.buf0_address
= rmesa
->r200Screen
->buffers
->list
[0].address
;
330 (void) memset( rmesa
->texture_heaps
, 0, sizeof( rmesa
->texture_heaps
) );
331 make_empty_list( & rmesa
->swapped
);
333 rmesa
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
334 assert(rmesa
->nr_heaps
< RADEON_NR_TEX_HEAPS
);
335 for ( i
= 0 ; i
< rmesa
->nr_heaps
; i
++ ) {
336 rmesa
->texture_heaps
[i
] = driCreateTextureHeap( i
, rmesa
,
339 RADEON_NR_TEX_REGIONS
,
340 (drmTextureRegionPtr
)rmesa
->sarea
->tex_list
[i
],
341 & rmesa
->sarea
->tex_age
[i
],
343 sizeof( r200TexObj
),
344 (destroy_texture_object_t
*) r200DestroyTexObj
);
346 rmesa
->texture_depth
= driQueryOptioni (&rmesa
->optionCache
,
348 if (rmesa
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
349 rmesa
->texture_depth
= ( screen
->cpp
== 4 ) ?
350 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
352 rmesa
->swtcl
.RenderIndex
= ~0;
353 rmesa
->hw
.all_dirty
= 1;
355 /* Set the maximum texture size small enough that we can guarentee that
356 * all texture units can bind a maximal texture and have all of them in
357 * texturable memory at once. Depending on the allow_large_textures driconf
358 * setting allow larger textures.
362 ctx
->Const
.MaxTextureUnits
= driQueryOptioni (&rmesa
->optionCache
,
364 ctx
->Const
.MaxTextureImageUnits
= ctx
->Const
.MaxTextureUnits
;
365 ctx
->Const
.MaxTextureCoordUnits
= ctx
->Const
.MaxTextureUnits
;
367 i
= driQueryOptioni( &rmesa
->optionCache
, "allow_large_textures");
369 driCalculateMaxTextureLevels( rmesa
->texture_heaps
,
373 11, /* max 2D texture size is 2048x2048 */
374 #if ENABLE_HW_3D_TEXTURE
375 8, /* max 3D texture size is 256^3 */
377 0, /* 3D textures unsupported */
379 11, /* max cube texture size is 2048x2048 */
380 11, /* max texture rectangle size is 2048x2048 */
385 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
387 /* No wide AA points.
389 ctx
->Const
.MinPointSize
= 1.0;
390 ctx
->Const
.MinPointSizeAA
= 1.0;
391 ctx
->Const
.MaxPointSizeAA
= 1.0;
392 ctx
->Const
.PointSizeGranularity
= 0.0625;
393 if (rmesa
->r200Screen
->drmSupportsPointSprites
)
394 ctx
->Const
.MaxPointSize
= 2047.0;
396 ctx
->Const
.MaxPointSize
= 1.0;
398 /* mesa initialization problem - _mesa_init_point was already called */
399 ctx
->Point
.MaxSize
= ctx
->Const
.MaxPointSize
;
401 ctx
->Const
.MinLineWidth
= 1.0;
402 ctx
->Const
.MinLineWidthAA
= 1.0;
403 ctx
->Const
.MaxLineWidth
= 10.0;
404 ctx
->Const
.MaxLineWidthAA
= 10.0;
405 ctx
->Const
.LineWidthGranularity
= 0.0625;
407 ctx
->Const
.VertexProgram
.MaxNativeInstructions
= R200_VSF_MAX_INST
;
408 ctx
->Const
.VertexProgram
.MaxNativeAttribs
= 12;
409 ctx
->Const
.VertexProgram
.MaxNativeTemps
= R200_VSF_MAX_TEMPS
;
410 ctx
->Const
.VertexProgram
.MaxNativeParameters
= R200_VSF_MAX_PARAM
;
411 ctx
->Const
.VertexProgram
.MaxNativeAddressRegs
= 1;
413 /* Initialize the software rasterizer and helper modules.
415 _swrast_CreateContext( ctx
);
416 _vbo_CreateContext( ctx
);
417 _tnl_CreateContext( ctx
);
418 _swsetup_CreateContext( ctx
);
419 _ae_create_context( ctx
);
421 /* Install the customized pipeline:
423 _tnl_destroy_pipeline( ctx
);
424 _tnl_install_pipeline( ctx
, r200_pipeline
);
426 /* Try and keep materials and vertices separate:
428 /* _tnl_isolate_materials( ctx, GL_TRUE ); */
431 /* Configure swrast and TNL to match hardware characteristics:
433 _swrast_allow_pixel_fog( ctx
, GL_FALSE
);
434 _swrast_allow_vertex_fog( ctx
, GL_TRUE
);
435 _tnl_allow_pixel_fog( ctx
, GL_FALSE
);
436 _tnl_allow_vertex_fog( ctx
, GL_TRUE
);
439 for ( i
= 0 ; i
< R200_MAX_TEXTURE_UNITS
; i
++ ) {
440 _math_matrix_ctr( &rmesa
->TexGenMatrix
[i
] );
441 _math_matrix_set_identity( &rmesa
->TexGenMatrix
[i
] );
443 _math_matrix_ctr( &rmesa
->tmpmat
);
444 _math_matrix_set_identity( &rmesa
->tmpmat
);
446 driInitExtensions( ctx
, card_extensions
, GL_TRUE
);
447 if (!(rmesa
->r200Screen
->chip_flags
& R200_CHIPSET_YCBCR_BROKEN
)) {
448 /* yuv textures don't work with some chips - R200 / rv280 okay so far
449 others get the bit ordering right but don't actually do YUV-RGB conversion */
450 _mesa_enable_extension( ctx
, "GL_MESA_ycbcr_texture" );
452 if (rmesa
->glCtx
->Mesa_DXTn
) {
453 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
454 _mesa_enable_extension( ctx
, "GL_S3_s3tc" );
456 else if (driQueryOptionb (&rmesa
->optionCache
, "force_s3tc_enable")) {
457 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
460 if (rmesa
->r200Screen
->drmSupportsCubeMapsR200
)
461 _mesa_enable_extension( ctx
, "GL_ARB_texture_cube_map" );
462 if (rmesa
->r200Screen
->drmSupportsBlendColor
) {
463 driInitExtensions( ctx
, blend_extensions
, GL_FALSE
);
465 if(rmesa
->r200Screen
->drmSupportsVertexProgram
)
466 driInitSingleExtension( ctx
, ARB_vp_extension
);
467 if(driQueryOptionb(&rmesa
->optionCache
, "nv_vertex_program"))
468 driInitSingleExtension( ctx
, NV_vp_extension
);
470 if ((ctx
->Const
.MaxTextureUnits
== 6) && rmesa
->r200Screen
->drmSupportsFragShader
)
471 driInitSingleExtension( ctx
, ATI_fs_extension
);
472 if (rmesa
->r200Screen
->drmSupportsPointSprites
)
473 driInitExtensions( ctx
, point_extensions
, GL_FALSE
);
475 r200InitDriverFuncs( ctx
);
476 r200InitIoctlFuncs( ctx
);
477 r200InitStateFuncs( ctx
);
478 r200InitTextureFuncs( ctx
);
480 /* plug in a few more device driver functions */
481 /* XXX these should really go right after _mesa_init_driver_functions() */
482 r200InitPixelFuncs( ctx
);
483 r200InitSpanFuncs( ctx
);
484 r200InitTnlFuncs( ctx
);
485 r200InitState( rmesa
);
486 r200InitSwtcl( ctx
);
488 fthrottle_mode
= driQueryOptioni(&rmesa
->optionCache
, "fthrottle_mode");
489 rmesa
->iw
.irq_seq
= -1;
490 rmesa
->irqsEmitted
= 0;
491 rmesa
->do_irqs
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_IRQS
&&
492 rmesa
->r200Screen
->irq
);
494 rmesa
->do_usleeps
= (fthrottle_mode
== DRI_CONF_FTHROTTLE_USLEEPS
);
498 "IRQ's not enabled, falling back to %s: %d %d\n",
499 rmesa
->do_usleeps
? "usleeps" : "busy waits",
501 rmesa
->r200Screen
->irq
);
503 rmesa
->vblank_flags
= (rmesa
->r200Screen
->irq
!= 0)
504 ? driGetDefaultVBlankFlags(&rmesa
->optionCache
) : VBLANK_FLAG_NO_IRQ
;
506 rmesa
->prefer_gart_client_texturing
=
507 (getenv("R200_GART_CLIENT_TEXTURES") != 0);
509 (*dri_interface
->getUST
)( & rmesa
->swap_ust
);
513 R200_DEBUG
= driParseDebugString( getenv( "R200_DEBUG" ),
515 R200_DEBUG
|= driParseDebugString( getenv( "RADEON_DEBUG" ),
519 tcl_mode
= driQueryOptioni(&rmesa
->optionCache
, "tcl_mode");
520 if (driQueryOptionb(&rmesa
->optionCache
, "no_rast")) {
521 fprintf(stderr
, "disabling 3D acceleration\n");
522 FALLBACK(rmesa
, R200_FALLBACK_DISABLE
, 1);
524 else if (tcl_mode
== DRI_CONF_TCL_SW
|| getenv("R200_NO_TCL") ||
525 !(rmesa
->r200Screen
->chip_flags
& RADEON_CHIPSET_TCL
)) {
526 if (rmesa
->r200Screen
->chip_flags
& RADEON_CHIPSET_TCL
) {
527 rmesa
->r200Screen
->chip_flags
&= ~RADEON_CHIPSET_TCL
;
528 fprintf(stderr
, "Disabling HW TCL support\n");
530 TCL_FALLBACK(rmesa
->glCtx
, R200_TCL_FALLBACK_TCL_DISABLE
, 1);
537 /* Destroy the device specific context.
539 /* Destroy the Mesa and driver specific context data.
541 void r200DestroyContext( __DRIcontextPrivate
*driContextPriv
)
543 GET_CURRENT_CONTEXT(ctx
);
544 r200ContextPtr rmesa
= (r200ContextPtr
) driContextPriv
->driverPrivate
;
545 r200ContextPtr current
= ctx
? R200_CONTEXT(ctx
) : NULL
;
547 /* check if we're deleting the currently bound context */
548 if (rmesa
== current
) {
549 R200_FIREVERTICES( rmesa
);
550 _mesa_make_current(NULL
, NULL
, NULL
);
553 /* Free r200 context resources */
554 assert(rmesa
); /* should never be null */
556 GLboolean release_texture_heaps
;
559 release_texture_heaps
= (rmesa
->glCtx
->Shared
->RefCount
== 1);
560 _swsetup_DestroyContext( rmesa
->glCtx
);
561 _tnl_DestroyContext( rmesa
->glCtx
);
562 _vbo_DestroyContext( rmesa
->glCtx
);
563 _swrast_DestroyContext( rmesa
->glCtx
);
565 r200DestroySwtcl( rmesa
->glCtx
);
566 r200ReleaseArrays( rmesa
->glCtx
, ~0 );
568 if (rmesa
->dma
.current
.buf
) {
569 r200ReleaseDmaRegion( rmesa
, &rmesa
->dma
.current
, __FUNCTION__
);
570 r200FlushCmdBuf( rmesa
, __FUNCTION__
);
573 if (rmesa
->state
.scissor
.pClipRects
) {
574 FREE(rmesa
->state
.scissor
.pClipRects
);
575 rmesa
->state
.scissor
.pClipRects
= NULL
;
578 if ( release_texture_heaps
) {
579 /* This share group is about to go away, free our private
580 * texture object data.
584 for ( i
= 0 ; i
< rmesa
->nr_heaps
; i
++ ) {
585 driDestroyTextureHeap( rmesa
->texture_heaps
[ i
] );
586 rmesa
->texture_heaps
[ i
] = NULL
;
589 assert( is_empty_list( & rmesa
->swapped
) );
592 /* free the Mesa context */
593 rmesa
->glCtx
->DriverCtx
= NULL
;
594 _mesa_destroy_context( rmesa
->glCtx
);
596 /* free the option cache */
597 driDestroyOptionCache (&rmesa
->optionCache
);
607 r200SwapBuffers( __DRIdrawablePrivate
*dPriv
)
609 if (dPriv
->driContextPriv
&& dPriv
->driContextPriv
->driverPrivate
) {
610 r200ContextPtr rmesa
;
612 rmesa
= (r200ContextPtr
) dPriv
->driContextPriv
->driverPrivate
;
614 if (ctx
->Visual
.doubleBufferMode
) {
615 _mesa_notifySwapBuffers( ctx
); /* flush pending rendering comands */
616 if ( rmesa
->doPageFlip
) {
617 r200PageFlip( dPriv
);
620 r200CopyBuffer( dPriv
, NULL
);
625 /* XXX this shouldn't be an error but we can't handle it for now */
626 _mesa_problem(NULL
, "%s: drawable has no context!", __FUNCTION__
);
631 r200CopySubBuffer( __DRIdrawablePrivate
*dPriv
,
632 int x
, int y
, int w
, int h
)
634 if (dPriv
->driContextPriv
&& dPriv
->driContextPriv
->driverPrivate
) {
635 r200ContextPtr rmesa
;
637 rmesa
= (r200ContextPtr
) dPriv
->driContextPriv
->driverPrivate
;
639 if (ctx
->Visual
.doubleBufferMode
) {
640 drm_clip_rect_t rect
;
641 rect
.x1
= x
+ dPriv
->x
;
642 rect
.y1
= (dPriv
->h
- y
- h
) + dPriv
->y
;
643 rect
.x2
= rect
.x1
+ w
;
644 rect
.y2
= rect
.y1
+ h
;
645 _mesa_notifySwapBuffers( ctx
); /* flush pending rendering comands */
646 r200CopyBuffer( dPriv
, &rect
);
650 /* XXX this shouldn't be an error but we can't handle it for now */
651 _mesa_problem(NULL
, "%s: drawable has no context!", __FUNCTION__
);
655 /* Force the context `c' to be the current context and associate with it
659 r200MakeCurrent( __DRIcontextPrivate
*driContextPriv
,
660 __DRIdrawablePrivate
*driDrawPriv
,
661 __DRIdrawablePrivate
*driReadPriv
)
663 if ( driContextPriv
) {
664 r200ContextPtr newCtx
=
665 (r200ContextPtr
) driContextPriv
->driverPrivate
;
667 if (R200_DEBUG
& DEBUG_DRI
)
668 fprintf(stderr
, "%s ctx %p\n", __FUNCTION__
, (void *)newCtx
->glCtx
);
670 if ( newCtx
->dri
.drawable
!= driDrawPriv
) {
671 driDrawableInitVBlank( driDrawPriv
, newCtx
->vblank_flags
,
675 newCtx
->dri
.readable
= driReadPriv
;
677 if ( newCtx
->dri
.drawable
!= driDrawPriv
||
678 newCtx
->lastStamp
!= driDrawPriv
->lastStamp
) {
679 newCtx
->dri
.drawable
= driDrawPriv
;
681 r200SetCliprects(newCtx
);
682 r200UpdateWindow( newCtx
->glCtx
);
683 r200UpdateViewportOffset( newCtx
->glCtx
);
686 _mesa_make_current( newCtx
->glCtx
,
687 (GLframebuffer
*) driDrawPriv
->driverPrivate
,
688 (GLframebuffer
*) driReadPriv
->driverPrivate
);
690 _mesa_update_state( newCtx
->glCtx
);
691 r200ValidateState( newCtx
->glCtx
);
694 if (R200_DEBUG
& DEBUG_DRI
)
695 fprintf(stderr
, "%s ctx is null\n", __FUNCTION__
);
696 _mesa_make_current( NULL
, NULL
, NULL
);
699 if (R200_DEBUG
& DEBUG_DRI
)
700 fprintf(stderr
, "End %s\n", __FUNCTION__
);
704 /* Force the context `c' to be unbound from its buffer.
707 r200UnbindContext( __DRIcontextPrivate
*driContextPriv
)
709 r200ContextPtr rmesa
= (r200ContextPtr
) driContextPriv
->driverPrivate
;
711 if (R200_DEBUG
& DEBUG_DRI
)
712 fprintf(stderr
, "%s ctx %p\n", __FUNCTION__
, (void *)rmesa
->glCtx
);