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_point_parameters
82 #define need_GL_ARB_vertex_buffer_object
83 #define need_GL_ARB_vertex_program
84 #define need_GL_EXT_blend_equation_separate
85 #define need_GL_EXT_blend_func_separate
86 #define need_GL_EXT_blend_minmax
87 //#define need_GL_EXT_fog_coord
88 #define need_GL_EXT_gpu_program_parameters
89 #define need_GL_EXT_multi_draw_arrays
90 #define need_GL_EXT_secondary_color
91 #define need_GL_EXT_stencil_two_side
92 #define need_GL_ATI_separate_stencil
93 #define need_GL_NV_vertex_program
94 #include "extension_helper.h"
96 const struct dri_extension card_extensions
[] = {
98 {"GL_ARB_depth_texture", NULL
},
99 {"GL_ARB_fragment_program", NULL
},
100 {"GL_ARB_multitexture", NULL
},
101 {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
102 {"GL_ARB_shadow", NULL
},
103 {"GL_ARB_shadow_ambient", NULL
},
104 {"GL_ARB_texture_border_clamp", NULL
},
105 {"GL_ARB_texture_cube_map", NULL
},
106 {"GL_ARB_texture_env_add", NULL
},
107 {"GL_ARB_texture_env_combine", NULL
},
108 {"GL_ARB_texture_env_crossbar", NULL
},
109 {"GL_ARB_texture_env_dot3", NULL
},
110 {"GL_ARB_texture_mirrored_repeat", NULL
},
111 {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
112 {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions
},
113 {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions
},
114 {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
115 {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
116 {"GL_EXT_blend_subtract", NULL
},
117 // {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
118 {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions
},
119 {"GL_EXT_gpu_program_parameters", GL_EXT_gpu_program_parameters_functions
},
120 {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
121 {"GL_EXT_shadow_funcs", NULL
},
122 {"GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions
},
123 {"GL_EXT_stencil_wrap", NULL
},
124 {"GL_EXT_texture_edge_clamp", NULL
},
125 {"GL_EXT_texture_env_combine", NULL
},
126 {"GL_EXT_texture_env_dot3", NULL
},
127 {"GL_EXT_texture_filter_anisotropic", NULL
},
128 {"GL_EXT_texture_lod_bias", NULL
},
129 {"GL_EXT_texture_mirror_clamp", NULL
},
130 {"GL_EXT_texture_rectangle", NULL
},
131 {"GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions
},
132 {"GL_ATI_texture_env_combine3", NULL
},
133 {"GL_ATI_texture_mirror_once", NULL
},
134 {"GL_MESA_pack_invert", NULL
},
135 {"GL_MESA_ycbcr_texture", NULL
},
136 {"GL_MESAX_texture_float", NULL
},
137 {"GL_NV_blend_square", NULL
},
138 {"GL_NV_vertex_program", GL_NV_vertex_program_functions
},
139 {"GL_SGIS_generate_mipmap", NULL
},
146 * The GL 2.0 functions are needed to make display lists work with
147 * functions added by GL_ATI_separate_stencil.
149 const struct dri_extension gl_20_extension
[] = {
150 {"GL_VERSION_2_0", GL_VERSION_2_0_functions
},
154 extern struct tnl_pipeline_stage _r300_render_stage
;
155 extern const struct tnl_pipeline_stage _r300_tcl_stage
;
157 static const struct tnl_pipeline_stage
*r300_pipeline
[] = {
159 /* Try and go straight to t&l
163 /* Catch any t&l fallbacks
165 &_tnl_vertex_transform_stage
,
166 &_tnl_normal_transform_stage
,
167 &_tnl_lighting_stage
,
168 &_tnl_fog_coordinate_stage
,
170 &_tnl_texture_transform_stage
,
171 &_tnl_vertex_program_stage
,
173 /* Try again to go to tcl?
174 * - no good for asymmetric-twoside (do with multipass)
175 * - no good for asymmetric-unfilled (do with multipass)
176 * - good for material
178 * - need to manipulate a bit of state
180 * - worth it/not worth it?
183 /* Else do them here.
186 &_tnl_render_stage
, /* FALLBACK */
190 /* Create the device specific rendering context.
192 GLboolean
r300CreateContext(const __GLcontextModes
* glVisual
,
193 __DRIcontextPrivate
* driContextPriv
,
194 void *sharedContextPrivate
)
196 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
197 radeonScreenPtr screen
= (radeonScreenPtr
) (sPriv
->private);
198 struct dd_function_table functions
;
204 assert(driContextPriv
);
207 /* Allocate the R300 context */
208 r300
= (r300ContextPtr
) CALLOC(sizeof(*r300
));
212 if (!(screen
->chip_flags
& RADEON_CHIPSET_TCL
))
213 hw_tcl_on
= future_hw_tcl_on
= 0;
215 /* Parse configuration files.
216 * Do this here so that initialMaxAnisotropy is set before we create
217 * the default textures.
219 driParseConfigFiles(&r300
->radeon
.optionCache
, &screen
->optionCache
,
220 screen
->driScreen
->myNum
, "r300");
221 r300
->initialMaxAnisotropy
= driQueryOptionf(&r300
->radeon
.optionCache
,
222 "def_max_anisotropy");
224 /* Init default driver functions then plug in our R300-specific functions
225 * (the texture functions are especially important)
227 _mesa_init_driver_functions(&functions
);
228 r300InitIoctlFuncs(&functions
);
229 r300InitStateFuncs(&functions
);
230 r300InitTextureFuncs(&functions
);
231 r300InitShaderFuncs(&functions
);
237 if (!radeonInitContext(&r300
->radeon
, &functions
,
238 glVisual
, driContextPriv
,
239 sharedContextPrivate
)) {
244 /* Init r300 context data */
245 r300
->dma
.buf0_address
=
246 r300
->radeon
.radeonScreen
->buffers
->list
[0].address
;
248 (void)memset(r300
->texture_heaps
, 0, sizeof(r300
->texture_heaps
));
249 make_empty_list(&r300
->swapped
);
251 r300
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
252 assert(r300
->nr_heaps
< RADEON_NR_TEX_HEAPS
);
253 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
255 r300
->texture_heaps
[i
] = driCreateTextureHeap(i
, r300
,
258 RADEON_NR_TEX_REGIONS
,
259 (drmTextureRegionPtr
)
262 &r300
->radeon
.sarea
->
267 (destroy_texture_object_t
272 r300
->texture_depth
= driQueryOptioni(&r300
->radeon
.optionCache
,
274 if (r300
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
275 r300
->texture_depth
= (screen
->cpp
== 4) ?
276 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
278 /* Set the maximum texture size small enough that we can guarentee that
279 * all texture units can bind a maximal texture and have them both in
280 * texturable memory at once.
283 ctx
= r300
->radeon
.glCtx
;
285 ctx
->Const
.MaxTextureImageUnits
=
286 driQueryOptioni(&r300
->radeon
.optionCache
, "texture_image_units");
287 ctx
->Const
.MaxTextureCoordUnits
=
288 driQueryOptioni(&r300
->radeon
.optionCache
, "texture_coord_units");
289 ctx
->Const
.MaxTextureUnits
=
290 MIN2(ctx
->Const
.MaxTextureImageUnits
,
291 ctx
->Const
.MaxTextureCoordUnits
);
292 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
293 ctx
->Const
.MaxTextureLodBias
= 16.0;
295 if (screen
->chip_family
>= CHIP_FAMILY_RV515
) {
296 ctx
->Const
.MaxTextureLevels
= 13;
297 ctx
->Const
.MaxTextureRectSize
= 4096;
300 ctx
->Const
.MinPointSize
= 1.0;
301 ctx
->Const
.MinPointSizeAA
= 1.0;
302 ctx
->Const
.MaxPointSize
= R300_POINTSIZE_MAX
;
303 ctx
->Const
.MaxPointSizeAA
= R300_POINTSIZE_MAX
;
305 ctx
->Const
.MinLineWidth
= 1.0;
306 ctx
->Const
.MinLineWidthAA
= 1.0;
307 ctx
->Const
.MaxLineWidth
= R300_LINESIZE_MAX
;
308 ctx
->Const
.MaxLineWidthAA
= R300_LINESIZE_MAX
;
311 /* Needs further modifications */
313 ctx
->Const
.MaxArrayLockSize
=
314 ( /*512 */ RADEON_BUFFER_SIZE
* 16 * 1024) / (4 * 4);
318 /* Initialize the software rasterizer and helper modules.
320 _swrast_CreateContext(ctx
);
321 _vbo_CreateContext(ctx
);
322 _tnl_CreateContext(ctx
);
323 _swsetup_CreateContext(ctx
);
324 _swsetup_Wakeup(ctx
);
325 _ae_create_context(ctx
);
327 /* Install the customized pipeline:
329 _tnl_destroy_pipeline(ctx
);
330 _tnl_install_pipeline(ctx
, r300_pipeline
);
332 /* Try and keep materials and vertices separate:
334 /* _tnl_isolate_materials(ctx, GL_TRUE); */
336 /* Configure swrast and TNL to match hardware characteristics:
338 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
339 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
340 _tnl_allow_pixel_fog(ctx
, GL_FALSE
);
341 _tnl_allow_vertex_fog(ctx
, GL_TRUE
);
343 /* currently bogus data */
344 if (screen
->chip_flags
& RADEON_CHIPSET_TCL
) {
345 ctx
->Const
.VertexProgram
.MaxInstructions
= VSF_MAX_FRAGMENT_LENGTH
/ 4;
346 ctx
->Const
.VertexProgram
.MaxNativeInstructions
=
347 VSF_MAX_FRAGMENT_LENGTH
/ 4;
348 ctx
->Const
.VertexProgram
.MaxNativeAttribs
= 16; /* r420 */
349 ctx
->Const
.VertexProgram
.MaxTemps
= 32;
350 ctx
->Const
.VertexProgram
.MaxNativeTemps
=
351 /*VSF_MAX_FRAGMENT_TEMPS */ 32;
352 ctx
->Const
.VertexProgram
.MaxNativeParameters
= 256; /* r420 */
353 ctx
->Const
.VertexProgram
.MaxNativeAddressRegs
= 1;
356 ctx
->Const
.FragmentProgram
.MaxNativeTemps
= PFS_NUM_TEMP_REGS
;
357 ctx
->Const
.FragmentProgram
.MaxNativeAttribs
= 11; /* copy i915... */
358 ctx
->Const
.FragmentProgram
.MaxNativeParameters
= PFS_NUM_CONST_REGS
;
359 ctx
->Const
.FragmentProgram
.MaxNativeAluInstructions
= PFS_MAX_ALU_INST
;
360 ctx
->Const
.FragmentProgram
.MaxNativeTexInstructions
= PFS_MAX_TEX_INST
;
361 ctx
->Const
.FragmentProgram
.MaxNativeInstructions
=
362 PFS_MAX_ALU_INST
+ PFS_MAX_TEX_INST
;
363 ctx
->Const
.FragmentProgram
.MaxNativeTexIndirections
=
364 PFS_MAX_TEX_INDIRECT
;
365 ctx
->Const
.FragmentProgram
.MaxNativeAddressRegs
= 0; /* and these are?? */
366 ctx
->VertexProgram
._MaintainTnlProgram
= GL_TRUE
;
367 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
369 driInitExtensions(ctx
, card_extensions
, GL_TRUE
);
372 (&r300
->radeon
.optionCache
, "disable_stencil_two_side"))
373 _mesa_disable_extension(ctx
, "GL_EXT_stencil_two_side");
375 if (r300
->radeon
.glCtx
->Mesa_DXTn
376 && !driQueryOptionb(&r300
->radeon
.optionCache
, "disable_s3tc")) {
377 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
378 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
380 if (driQueryOptionb(&r300
->radeon
.optionCache
, "force_s3tc_enable"))
382 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
385 r300
->disable_lowimpact_fallback
=
386 driQueryOptionb(&r300
->radeon
.optionCache
,
387 "disable_lowimpact_fallback");
389 radeonInitSpanFuncs(ctx
);
390 r300InitCmdBuf(r300
);
392 if (!(screen
->chip_flags
& RADEON_CHIPSET_TCL
))
395 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= _tnl_run_pipeline
;
397 tcl_mode
= driQueryOptioni(&r300
->radeon
.optionCache
, "tcl_mode");
398 if (driQueryOptionb(&r300
->radeon
.optionCache
, "no_rast")) {
399 fprintf(stderr
, "disabling 3D acceleration\n");
401 FALLBACK(&r300
->radeon
, RADEON_FALLBACK_DISABLE
, 1);
404 if (tcl_mode
== DRI_CONF_TCL_SW
||
405 !(r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
)) {
406 if (r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
) {
407 r300
->radeon
.radeonScreen
->chip_flags
&=
409 fprintf(stderr
, "Disabling HW TCL support\n");
411 TCL_FALLBACK(r300
->radeon
.glCtx
,
412 RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
418 static void r300FreeGartAllocations(r300ContextPtr r300
)
420 int i
, ret
, tries
= 0, done_age
, in_use
= 0;
421 drm_radeon_mem_free_t memfree
;
423 memfree
.region
= RADEON_MEM_REGION_GART
;
426 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
427 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
431 /* check whether this buffer is still in use */
432 if (r300
->rmm
->u_list
[i
].pending
) {
436 /* Cannot flush/lock if no context exists. */
438 r300FlushCmdBuf(r300
, __FUNCTION__
);
440 done_age
= radeonGetAge((radeonContextPtr
) r300
);
442 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
443 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
447 /* check whether this buffer is still in use */
448 if (!r300
->rmm
->u_list
[i
].pending
) {
452 assert(r300
->rmm
->u_list
[i
].h_pending
== 0);
455 while (r300
->rmm
->u_list
[i
].age
> done_age
&& tries
++ < 1000) {
457 done_age
= radeonGetAge((radeonContextPtr
) r300
);
460 WARN_ONCE("Failed to idle region!");
463 memfree
.region_offset
= (char *)r300
->rmm
->u_list
[i
].ptr
-
464 (char *)r300
->radeon
.radeonScreen
->gartTextures
.map
;
466 ret
= drmCommandWrite(r300
->radeon
.radeonScreen
->driScreen
->fd
,
467 DRM_RADEON_FREE
, &memfree
,
470 fprintf(stderr
, "Failed to free at %p\nret = %s\n",
471 r300
->rmm
->u_list
[i
].ptr
, strerror(-ret
));
473 if (i
== r300
->rmm
->u_last
)
476 r300
->rmm
->u_list
[i
].pending
= 0;
477 r300
->rmm
->u_list
[i
].ptr
= NULL
;
480 r300
->rmm
->u_head
= i
;
481 #endif /* USER_BUFFERS */
484 /* Destroy the device specific context.
486 void r300DestroyContext(__DRIcontextPrivate
* driContextPriv
)
488 GET_CURRENT_CONTEXT(ctx
);
489 r300ContextPtr r300
= (r300ContextPtr
) driContextPriv
->driverPrivate
;
490 radeonContextPtr radeon
= (radeonContextPtr
) r300
;
491 radeonContextPtr current
= ctx
? RADEON_CONTEXT(ctx
) : NULL
;
493 if (RADEON_DEBUG
& DEBUG_DRI
) {
494 fprintf(stderr
, "Destroying context !\n");
497 /* check if we're deleting the currently bound context */
498 if (&r300
->radeon
== current
) {
499 radeonFlush(r300
->radeon
.glCtx
);
500 _mesa_make_current(NULL
, NULL
, NULL
);
503 /* Free r300 context resources */
504 assert(r300
); /* should never be null */
507 GLboolean release_texture_heaps
;
509 release_texture_heaps
=
510 (r300
->radeon
.glCtx
->Shared
->RefCount
== 1);
511 _swsetup_DestroyContext(r300
->radeon
.glCtx
);
512 _tnl_DestroyContext(r300
->radeon
.glCtx
);
513 _vbo_DestroyContext(r300
->radeon
.glCtx
);
514 _swrast_DestroyContext(r300
->radeon
.glCtx
);
516 if (r300
->dma
.current
.buf
) {
517 r300ReleaseDmaRegion(r300
, &r300
->dma
.current
,
520 r300FlushCmdBuf(r300
, __FUNCTION__
);
523 r300FreeGartAllocations(r300
);
524 r300DestroyCmdBuf(r300
);
526 if (radeon
->state
.scissor
.pClipRects
) {
527 FREE(radeon
->state
.scissor
.pClipRects
);
528 radeon
->state
.scissor
.pClipRects
= NULL
;
531 if (release_texture_heaps
) {
532 /* This share group is about to go away, free our private
533 * texture object data.
537 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
538 driDestroyTextureHeap(r300
->texture_heaps
[i
]);
539 r300
->texture_heaps
[i
] = NULL
;
542 assert(is_empty_list(&r300
->swapped
));
545 radeonCleanupContext(&r300
->radeon
);
548 /* the memory manager might be accessed when Mesa frees the shared
549 * state, so don't destroy it earlier
551 r300_mem_destroy(r300
);
554 /* free the option cache */
555 driDestroyOptionCache(&r300
->radeon
.optionCache
);