2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
4 The Weather Channel (TM) funded Tungsten Graphics to develop the
5 initial release of the Radeon 8500 driver under the XFree86 license.
6 This notice must be preserved.
8 Permission is hereby granted, free of charge, to any person obtaining
9 a copy of this software and associated documentation files (the
10 "Software"), to deal in the Software without restriction, including
11 without limitation the rights to use, copy, modify, merge, publish,
12 distribute, sublicense, and/or sell copies of the Software, and to
13 permit persons to whom the Software is furnished to do so, subject to
14 the following conditions:
16 The above copyright notice and this permission notice (including the
17 next paragraph) shall be included in all copies or substantial
18 portions of the Software.
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 **************************************************************************/
33 * \author Keith Whitwell <keith@tungstengraphics.com>
35 * \author Nicolai Haehnle <prefect_@gmx.net>
38 #include "main/glheader.h"
39 #include "main/api_arrayelt.h"
40 #include "main/context.h"
41 #include "main/simple_list.h"
42 #include "main/imports.h"
43 #include "main/matrix.h"
44 #include "main/extensions.h"
45 #include "main/state.h"
46 #include "main/bufferobj.h"
48 #include "swrast/swrast.h"
49 #include "swrast_setup/swrast_setup.h"
53 #include "tnl/t_pipeline.h"
54 #include "tnl/t_vp_build.h"
56 #include "drivers/common/driverfuncs.h"
58 #include "radeon_ioctl.h"
59 #include "radeon_span.h"
60 #include "r300_context.h"
61 #include "r300_cmdbuf.h"
62 #include "r300_state.h"
63 #include "r300_ioctl.h"
65 #include "r300_emit.h"
66 #include "r300_swtcl.h"
74 #include "xmlpool.h" /* for symbolic values of enum-type options */
76 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
77 int future_hw_tcl_on
= 1;
80 #define need_GL_VERSION_2_0
81 #define need_GL_ARB_multisample
82 #define need_GL_ARB_point_parameters
83 #define need_GL_ARB_texture_compression
84 #define need_GL_ARB_vertex_buffer_object
85 #define need_GL_ARB_vertex_program
86 #define need_GL_EXT_blend_equation_separate
87 #define need_GL_EXT_blend_func_separate
88 #define need_GL_EXT_blend_minmax
89 //#define need_GL_EXT_fog_coord
90 #define need_GL_EXT_gpu_program_parameters
91 #define need_GL_EXT_multi_draw_arrays
92 #define need_GL_EXT_secondary_color
93 #define need_GL_EXT_stencil_two_side
94 #define need_GL_ATI_separate_stencil
95 #define need_GL_NV_vertex_program
96 #include "extension_helper.h"
98 const struct dri_extension card_extensions
[] = {
100 {"GL_ARB_depth_texture", NULL
},
101 {"GL_ARB_fragment_program", NULL
},
102 {"GL_ARB_multisample", GL_ARB_multisample_functions
},
103 {"GL_ARB_multitexture", NULL
},
104 {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
105 {"GL_ARB_shadow", NULL
},
106 {"GL_ARB_shadow_ambient", NULL
},
107 {"GL_ARB_texture_border_clamp", NULL
},
108 {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
109 {"GL_ARB_texture_cube_map", NULL
},
110 {"GL_ARB_texture_env_add", NULL
},
111 {"GL_ARB_texture_env_combine", NULL
},
112 {"GL_ARB_texture_env_crossbar", NULL
},
113 {"GL_ARB_texture_env_dot3", NULL
},
114 {"GL_ARB_texture_mirrored_repeat", NULL
},
115 {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
116 {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions
},
117 {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions
},
118 {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
119 {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
120 {"GL_EXT_blend_subtract", NULL
},
121 // {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
122 {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions
},
123 {"GL_EXT_gpu_program_parameters", GL_EXT_gpu_program_parameters_functions
},
124 {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
125 {"GL_EXT_shadow_funcs", NULL
},
126 {"GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions
},
127 {"GL_EXT_stencil_wrap", NULL
},
128 {"GL_EXT_texture_edge_clamp", NULL
},
129 {"GL_EXT_texture_env_combine", NULL
},
130 {"GL_EXT_texture_env_dot3", NULL
},
131 {"GL_EXT_texture_filter_anisotropic", NULL
},
132 {"GL_EXT_texture_lod_bias", NULL
},
133 {"GL_EXT_texture_mirror_clamp", NULL
},
134 {"GL_EXT_texture_rectangle", NULL
},
135 {"GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions
},
136 {"GL_ATI_texture_env_combine3", NULL
},
137 {"GL_ATI_texture_mirror_once", NULL
},
138 {"GL_MESA_pack_invert", NULL
},
139 {"GL_MESA_ycbcr_texture", NULL
},
140 {"GL_MESAX_texture_float", NULL
},
141 {"GL_NV_blend_square", NULL
},
142 {"GL_NV_vertex_program", GL_NV_vertex_program_functions
},
143 {"GL_SGIS_generate_mipmap", NULL
},
150 * The GL 2.0 functions are needed to make display lists work with
151 * functions added by GL_ATI_separate_stencil.
153 const struct dri_extension gl_20_extension
[] = {
154 {"GL_VERSION_2_0", GL_VERSION_2_0_functions
},
158 extern struct tnl_pipeline_stage _r300_render_stage
;
159 extern const struct tnl_pipeline_stage _r300_tcl_stage
;
161 static const struct tnl_pipeline_stage
*r300_pipeline
[] = {
163 /* Try and go straight to t&l
167 /* Catch any t&l fallbacks
169 &_tnl_vertex_transform_stage
,
170 &_tnl_normal_transform_stage
,
171 &_tnl_lighting_stage
,
172 &_tnl_fog_coordinate_stage
,
174 &_tnl_texture_transform_stage
,
175 &_tnl_vertex_program_stage
,
177 /* Try again to go to tcl?
178 * - no good for asymmetric-twoside (do with multipass)
179 * - no good for asymmetric-unfilled (do with multipass)
180 * - good for material
182 * - need to manipulate a bit of state
184 * - worth it/not worth it?
187 /* Else do them here.
190 &_tnl_render_stage
, /* FALLBACK */
194 /* Create the device specific rendering context.
196 GLboolean
r300CreateContext(const __GLcontextModes
* glVisual
,
197 __DRIcontextPrivate
* driContextPriv
,
198 void *sharedContextPrivate
)
200 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
201 radeonScreenPtr screen
= (radeonScreenPtr
) (sPriv
->private);
202 struct dd_function_table functions
;
208 assert(driContextPriv
);
211 /* Allocate the R300 context */
212 r300
= (r300ContextPtr
) CALLOC(sizeof(*r300
));
216 if (!(screen
->chip_flags
& RADEON_CHIPSET_TCL
))
217 hw_tcl_on
= future_hw_tcl_on
= 0;
219 /* Parse configuration files.
220 * Do this here so that initialMaxAnisotropy is set before we create
221 * the default textures.
223 driParseConfigFiles(&r300
->radeon
.optionCache
, &screen
->optionCache
,
224 screen
->driScreen
->myNum
, "r300");
225 r300
->initialMaxAnisotropy
= driQueryOptionf(&r300
->radeon
.optionCache
,
226 "def_max_anisotropy");
228 /* Init default driver functions then plug in our R300-specific functions
229 * (the texture functions are especially important)
231 _mesa_init_driver_functions(&functions
);
232 r300InitIoctlFuncs(&functions
);
233 r300InitStateFuncs(&functions
);
234 r300InitTextureFuncs(&functions
);
235 r300InitShaderFuncs(&functions
);
241 if (!radeonInitContext(&r300
->radeon
, &functions
,
242 glVisual
, driContextPriv
,
243 sharedContextPrivate
)) {
248 /* Init r300 context data */
249 r300
->dma
.buf0_address
=
250 r300
->radeon
.radeonScreen
->buffers
->list
[0].address
;
252 (void)memset(r300
->texture_heaps
, 0, sizeof(r300
->texture_heaps
));
253 make_empty_list(&r300
->swapped
);
255 r300
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
256 assert(r300
->nr_heaps
< RADEON_NR_TEX_HEAPS
);
257 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
259 r300
->texture_heaps
[i
] = driCreateTextureHeap(i
, r300
,
262 RADEON_NR_TEX_REGIONS
,
263 (drmTextureRegionPtr
)
266 &r300
->radeon
.sarea
->
271 (destroy_texture_object_t
276 r300
->texture_depth
= driQueryOptioni(&r300
->radeon
.optionCache
,
278 if (r300
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
279 r300
->texture_depth
= (screen
->cpp
== 4) ?
280 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
282 /* Set the maximum texture size small enough that we can guarentee that
283 * all texture units can bind a maximal texture and have them both in
284 * texturable memory at once.
287 ctx
= r300
->radeon
.glCtx
;
289 ctx
->Const
.MaxTextureImageUnits
=
290 driQueryOptioni(&r300
->radeon
.optionCache
, "texture_image_units");
291 ctx
->Const
.MaxTextureCoordUnits
=
292 driQueryOptioni(&r300
->radeon
.optionCache
, "texture_coord_units");
293 ctx
->Const
.MaxTextureUnits
=
294 MIN2(ctx
->Const
.MaxTextureImageUnits
,
295 ctx
->Const
.MaxTextureCoordUnits
);
296 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
297 ctx
->Const
.MaxTextureLodBias
= 16.0;
299 if (screen
->chip_family
>= CHIP_FAMILY_RV515
) {
300 ctx
->Const
.MaxTextureLevels
= 13;
301 ctx
->Const
.MaxTextureRectSize
= 4096;
304 ctx
->Const
.MinPointSize
= 1.0;
305 ctx
->Const
.MinPointSizeAA
= 1.0;
306 ctx
->Const
.MaxPointSize
= R300_POINTSIZE_MAX
;
307 ctx
->Const
.MaxPointSizeAA
= R300_POINTSIZE_MAX
;
309 ctx
->Const
.MinLineWidth
= 1.0;
310 ctx
->Const
.MinLineWidthAA
= 1.0;
311 ctx
->Const
.MaxLineWidth
= R300_LINESIZE_MAX
;
312 ctx
->Const
.MaxLineWidthAA
= R300_LINESIZE_MAX
;
315 /* Needs further modifications */
317 ctx
->Const
.MaxArrayLockSize
=
318 ( /*512 */ RADEON_BUFFER_SIZE
* 16 * 1024) / (4 * 4);
322 /* Initialize the software rasterizer and helper modules.
324 _swrast_CreateContext(ctx
);
325 _vbo_CreateContext(ctx
);
326 _tnl_CreateContext(ctx
);
327 _swsetup_CreateContext(ctx
);
328 _swsetup_Wakeup(ctx
);
329 _ae_create_context(ctx
);
331 /* Install the customized pipeline:
333 _tnl_destroy_pipeline(ctx
);
334 _tnl_install_pipeline(ctx
, r300_pipeline
);
336 /* Try and keep materials and vertices separate:
338 /* _tnl_isolate_materials(ctx, GL_TRUE); */
340 /* Configure swrast and TNL to match hardware characteristics:
342 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
343 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
344 _tnl_allow_pixel_fog(ctx
, GL_FALSE
);
345 _tnl_allow_vertex_fog(ctx
, GL_TRUE
);
347 /* currently bogus data */
348 if (screen
->chip_flags
& RADEON_CHIPSET_TCL
) {
349 ctx
->Const
.VertexProgram
.MaxInstructions
= VSF_MAX_FRAGMENT_LENGTH
/ 4;
350 ctx
->Const
.VertexProgram
.MaxNativeInstructions
=
351 VSF_MAX_FRAGMENT_LENGTH
/ 4;
352 ctx
->Const
.VertexProgram
.MaxNativeAttribs
= 16; /* r420 */
353 ctx
->Const
.VertexProgram
.MaxTemps
= 32;
354 ctx
->Const
.VertexProgram
.MaxNativeTemps
=
355 /*VSF_MAX_FRAGMENT_TEMPS */ 32;
356 ctx
->Const
.VertexProgram
.MaxNativeParameters
= 256; /* r420 */
357 ctx
->Const
.VertexProgram
.MaxNativeAddressRegs
= 1;
360 ctx
->Const
.FragmentProgram
.MaxNativeTemps
= PFS_NUM_TEMP_REGS
;
361 ctx
->Const
.FragmentProgram
.MaxNativeAttribs
= 11; /* copy i915... */
362 ctx
->Const
.FragmentProgram
.MaxNativeParameters
= PFS_NUM_CONST_REGS
;
363 ctx
->Const
.FragmentProgram
.MaxNativeAluInstructions
= PFS_MAX_ALU_INST
;
364 ctx
->Const
.FragmentProgram
.MaxNativeTexInstructions
= PFS_MAX_TEX_INST
;
365 ctx
->Const
.FragmentProgram
.MaxNativeInstructions
=
366 PFS_MAX_ALU_INST
+ PFS_MAX_TEX_INST
;
367 ctx
->Const
.FragmentProgram
.MaxNativeTexIndirections
=
368 PFS_MAX_TEX_INDIRECT
;
369 ctx
->Const
.FragmentProgram
.MaxNativeAddressRegs
= 0; /* and these are?? */
370 ctx
->VertexProgram
._MaintainTnlProgram
= GL_TRUE
;
371 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
373 driInitExtensions(ctx
, card_extensions
, GL_TRUE
);
376 (&r300
->radeon
.optionCache
, "disable_stencil_two_side"))
377 _mesa_disable_extension(ctx
, "GL_EXT_stencil_two_side");
379 if (r300
->radeon
.glCtx
->Mesa_DXTn
380 && !driQueryOptionb(&r300
->radeon
.optionCache
, "disable_s3tc")) {
381 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
382 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
384 if (driQueryOptionb(&r300
->radeon
.optionCache
, "force_s3tc_enable"))
386 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
389 r300
->disable_lowimpact_fallback
=
390 driQueryOptionb(&r300
->radeon
.optionCache
,
391 "disable_lowimpact_fallback");
393 radeonInitSpanFuncs(ctx
);
394 r300InitCmdBuf(r300
);
396 if (!(screen
->chip_flags
& RADEON_CHIPSET_TCL
))
399 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= _tnl_run_pipeline
;
401 tcl_mode
= driQueryOptioni(&r300
->radeon
.optionCache
, "tcl_mode");
402 if (driQueryOptionb(&r300
->radeon
.optionCache
, "no_rast")) {
403 fprintf(stderr
, "disabling 3D acceleration\n");
405 FALLBACK(&r300
->radeon
, RADEON_FALLBACK_DISABLE
, 1);
408 if (tcl_mode
== DRI_CONF_TCL_SW
||
409 !(r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
)) {
410 if (r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
) {
411 r300
->radeon
.radeonScreen
->chip_flags
&=
413 fprintf(stderr
, "Disabling HW TCL support\n");
415 TCL_FALLBACK(r300
->radeon
.glCtx
,
416 RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
422 static void r300FreeGartAllocations(r300ContextPtr r300
)
424 int i
, ret
, tries
= 0, done_age
, in_use
= 0;
425 drm_radeon_mem_free_t memfree
;
427 memfree
.region
= RADEON_MEM_REGION_GART
;
430 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
431 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
435 /* check whether this buffer is still in use */
436 if (r300
->rmm
->u_list
[i
].pending
) {
440 /* Cannot flush/lock if no context exists. */
442 r300FlushCmdBuf(r300
, __FUNCTION__
);
444 done_age
= radeonGetAge((radeonContextPtr
) r300
);
446 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
447 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
451 /* check whether this buffer is still in use */
452 if (!r300
->rmm
->u_list
[i
].pending
) {
456 assert(r300
->rmm
->u_list
[i
].h_pending
== 0);
459 while (r300
->rmm
->u_list
[i
].age
> done_age
&& tries
++ < 1000) {
461 done_age
= radeonGetAge((radeonContextPtr
) r300
);
464 WARN_ONCE("Failed to idle region!");
467 memfree
.region_offset
= (char *)r300
->rmm
->u_list
[i
].ptr
-
468 (char *)r300
->radeon
.radeonScreen
->gartTextures
.map
;
470 ret
= drmCommandWrite(r300
->radeon
.radeonScreen
->driScreen
->fd
,
471 DRM_RADEON_FREE
, &memfree
,
474 fprintf(stderr
, "Failed to free at %p\nret = %s\n",
475 r300
->rmm
->u_list
[i
].ptr
, strerror(-ret
));
477 if (i
== r300
->rmm
->u_last
)
480 r300
->rmm
->u_list
[i
].pending
= 0;
481 r300
->rmm
->u_list
[i
].ptr
= NULL
;
484 r300
->rmm
->u_head
= i
;
485 #endif /* USER_BUFFERS */
488 /* Destroy the device specific context.
490 void r300DestroyContext(__DRIcontextPrivate
* driContextPriv
)
492 GET_CURRENT_CONTEXT(ctx
);
493 r300ContextPtr r300
= (r300ContextPtr
) driContextPriv
->driverPrivate
;
494 radeonContextPtr radeon
= (radeonContextPtr
) r300
;
495 radeonContextPtr current
= ctx
? RADEON_CONTEXT(ctx
) : NULL
;
497 if (RADEON_DEBUG
& DEBUG_DRI
) {
498 fprintf(stderr
, "Destroying context !\n");
501 /* check if we're deleting the currently bound context */
502 if (&r300
->radeon
== current
) {
503 radeonFlush(r300
->radeon
.glCtx
);
504 _mesa_make_current(NULL
, NULL
, NULL
);
507 /* Free r300 context resources */
508 assert(r300
); /* should never be null */
511 GLboolean release_texture_heaps
;
513 release_texture_heaps
=
514 (r300
->radeon
.glCtx
->Shared
->RefCount
== 1);
515 _swsetup_DestroyContext(r300
->radeon
.glCtx
);
516 _tnl_DestroyContext(r300
->radeon
.glCtx
);
517 _vbo_DestroyContext(r300
->radeon
.glCtx
);
518 _swrast_DestroyContext(r300
->radeon
.glCtx
);
520 if (r300
->dma
.current
.buf
) {
521 r300ReleaseDmaRegion(r300
, &r300
->dma
.current
,
524 r300FlushCmdBuf(r300
, __FUNCTION__
);
527 r300FreeGartAllocations(r300
);
528 r300DestroyCmdBuf(r300
);
530 if (radeon
->state
.scissor
.pClipRects
) {
531 FREE(radeon
->state
.scissor
.pClipRects
);
532 radeon
->state
.scissor
.pClipRects
= NULL
;
535 if (release_texture_heaps
) {
536 /* This share group is about to go away, free our private
537 * texture object data.
541 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
542 driDestroyTextureHeap(r300
->texture_heaps
[i
]);
543 r300
->texture_heaps
[i
] = NULL
;
546 assert(is_empty_list(&r300
->swapped
));
549 radeonCleanupContext(&r300
->radeon
);
552 /* the memory manager might be accessed when Mesa frees the shared
553 * state, so don't destroy it earlier
555 r300_mem_destroy(r300
);
558 /* free the option cache */
559 driDestroyOptionCache(&r300
->radeon
.optionCache
);