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 **************************************************************************/
32 * Keith Whitwell <keith@tungstengraphics.com>
33 * Nicolai Haehnle <prefect_@gmx.net>
36 #include "api_arrayelt.h"
38 #include "simple_list.h"
41 #include "extensions.h"
43 #include "bufferobj.h"
45 #include "swrast/swrast.h"
46 #include "swrast_setup/swrast_setup.h"
50 #include "tnl/t_pipeline.h"
51 #include "tnl/t_vp_build.h"
53 #include "drivers/common/driverfuncs.h"
55 #include "radeon_ioctl.h"
56 #include "radeon_span.h"
57 #include "r300_context.h"
58 #include "r300_cmdbuf.h"
59 #include "r300_state.h"
60 #include "r300_ioctl.h"
62 #include "r300_maos.h"
65 #include "radeon_mm.h"
70 #include "xmlpool.h" /* for symbolic values of enum-type options */
72 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
73 int future_hw_tcl_on
=1;
76 #define need_GL_EXT_stencil_two_side
77 #define need_GL_ARB_multisample
78 #define need_GL_ARB_texture_compression
79 #define need_GL_ARB_vertex_buffer_object
80 #define need_GL_ARB_vertex_program
81 #define need_GL_EXT_blend_minmax
82 //#define need_GL_EXT_fog_coord
83 #define need_GL_EXT_secondary_color
84 #define need_GL_EXT_blend_equation_separate
85 #define need_GL_EXT_blend_func_separate
86 #define need_GL_EXT_gpu_program_parameters
87 #define need_GL_NV_vertex_program
88 #include "extension_helper.h"
90 const struct dri_extension card_extensions
[] = {
91 {"GL_ARB_multisample", GL_ARB_multisample_functions
},
92 {"GL_ARB_multitexture", NULL
},
93 {"GL_ARB_texture_border_clamp", NULL
},
94 {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
95 {"GL_ARB_texture_cube_map", NULL
},
96 {"GL_ARB_texture_env_add", NULL
},
97 {"GL_ARB_texture_env_combine", NULL
},
98 {"GL_ARB_texture_env_crossbar", NULL
},
99 {"GL_ARB_texture_env_dot3", NULL
},
100 {"GL_ARB_texture_mirrored_repeat", NULL
},
101 {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions
},
102 {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions
},
103 {"GL_ARB_fragment_program", NULL
},
104 {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions
},
105 {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions
},
106 {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions
},
107 {"GL_EXT_blend_subtract", NULL
},
108 // {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
109 {"GL_EXT_gpu_program_parameters", GL_EXT_gpu_program_parameters_functions
},
110 {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions
},
111 {"GL_EXT_stencil_wrap", NULL
},
112 {"GL_EXT_texture_edge_clamp", NULL
},
113 {"GL_EXT_texture_env_combine", NULL
},
114 {"GL_EXT_texture_env_dot3", NULL
},
115 {"GL_EXT_texture_filter_anisotropic", NULL
},
116 {"GL_EXT_texture_lod_bias", NULL
},
117 {"GL_EXT_texture_mirror_clamp", NULL
},
118 {"GL_EXT_texture_rectangle", NULL
},
119 {"GL_ATI_texture_env_combine3", NULL
},
120 {"GL_ATI_texture_mirror_once", NULL
},
121 {"GL_MESA_pack_invert", NULL
},
122 {"GL_MESA_ycbcr_texture", NULL
},
123 {"GL_MESAX_texture_float", NULL
},
124 {"GL_NV_blend_square", NULL
},
125 {"GL_NV_vertex_program", GL_NV_vertex_program_functions
},
126 {"GL_SGIS_generate_mipmap", NULL
},
130 const struct dri_extension stencil_two_side
[] = {
131 {"GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions
},
134 extern struct tnl_pipeline_stage _r300_render_stage
;
135 extern const struct tnl_pipeline_stage _r300_tcl_stage
;
136 extern const struct tnl_pipeline_stage _r300_texrect_stage
;
138 static const struct tnl_pipeline_stage
*r300_pipeline
[] = {
140 /* Try and go straight to t&l
144 /* Catch any t&l fallbacks
146 &_tnl_vertex_transform_stage
,
147 &_tnl_normal_transform_stage
,
148 &_tnl_lighting_stage
,
149 &_tnl_fog_coordinate_stage
,
151 &_tnl_texture_transform_stage
,
152 &_tnl_arb_vertex_program_stage
,
153 &_tnl_vertex_program_stage
,
155 /* Try again to go to tcl?
156 * - no good for asymmetric-twoside (do with multipass)
157 * - no good for asymmetric-unfilled (do with multipass)
158 * - good for material
160 * - need to manipulate a bit of state
162 * - worth it/not worth it?
165 /* Else do them here.
167 /* scale texture rectangle to 0..1. */
168 &_r300_texrect_stage
,
170 &_tnl_render_stage
, /* FALLBACK */
175 /* Create the device specific rendering context.
177 GLboolean
r300CreateContext(const __GLcontextModes
* glVisual
,
178 __DRIcontextPrivate
* driContextPriv
,
179 void *sharedContextPrivate
)
181 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
182 radeonScreenPtr screen
= (radeonScreenPtr
) (sPriv
->private);
183 struct dd_function_table functions
;
189 assert(driContextPriv
);
192 /* Allocate the R300 context */
193 r300
= (r300ContextPtr
)CALLOC(sizeof(*r300
));
197 /* Parse configuration files.
198 * Do this here so that initialMaxAnisotropy is set before we create
199 * the default textures.
201 driParseConfigFiles(&r300
->radeon
.optionCache
, &screen
->optionCache
,
202 screen
->driScreen
->myNum
, "r300");
203 r300
->initialMaxAnisotropy
= driQueryOptionf(&r300
->radeon
.optionCache
,
204 "def_max_anisotropy");
206 //r300->texmicrotile = GL_TRUE;
208 /* Init default driver functions then plug in our R300-specific functions
209 * (the texture functions are especially important)
211 _mesa_init_driver_functions(&functions
);
212 r300InitIoctlFuncs(&functions
);
213 r300InitStateFuncs(&functions
);
214 r300InitTextureFuncs(&functions
);
215 r300InitShaderFuncs(&functions
);
218 radeon_mm_init(r300
);
222 r300_init_vbo_funcs(&functions
);
225 if (!radeonInitContext(&r300
->radeon
, &functions
,
226 glVisual
, driContextPriv
, sharedContextPrivate
)) {
231 /* Init r300 context data */
232 r300
->dma
.buf0_address
= r300
->radeon
.radeonScreen
->buffers
->list
[0].address
;
234 (void)memset(r300
->texture_heaps
, 0, sizeof(r300
->texture_heaps
));
235 make_empty_list(&r300
->swapped
);
237 r300
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
238 assert(r300
->nr_heaps
< RADEON_NR_TEX_HEAPS
);
239 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
240 r300
->texture_heaps
[i
] = driCreateTextureHeap(i
, r300
,
243 RADEON_NR_TEX_REGIONS
,
244 (drmTextureRegionPtr
)
247 &r300
->radeon
.sarea
->
252 (destroy_texture_object_t
256 r300
->texture_depth
= driQueryOptioni(&r300
->radeon
.optionCache
,
258 if (r300
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
259 r300
->texture_depth
= (screen
->cpp
== 4) ?
260 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
262 /* Set the maximum texture size small enough that we can guarentee that
263 * all texture units can bind a maximal texture and have them both in
264 * texturable memory at once.
267 ctx
= r300
->radeon
.glCtx
;
269 ctx
->Const
.MaxTextureImageUnits
= driQueryOptioni(&r300
->radeon
.optionCache
,
270 "texture_image_units");
271 ctx
->Const
.MaxTextureCoordUnits
= driQueryOptioni(&r300
->radeon
.optionCache
,
272 "texture_coord_units");
273 ctx
->Const
.MaxTextureUnits
= MIN2(ctx
->Const
.MaxTextureImageUnits
,
274 ctx
->Const
.MaxTextureCoordUnits
);
275 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
277 ctx
->Const
.MinPointSize
= 1.0;
278 ctx
->Const
.MinPointSizeAA
= 1.0;
279 ctx
->Const
.MaxPointSize
= R300_POINTSIZE_MAX
;
280 ctx
->Const
.MaxPointSizeAA
= R300_POINTSIZE_MAX
;
282 ctx
->Const
.MinLineWidth
= 1.0;
283 ctx
->Const
.MinLineWidthAA
= 1.0;
284 ctx
->Const
.MaxLineWidth
= R300_LINESIZE_MAX
;
285 ctx
->Const
.MaxLineWidthAA
= R300_LINESIZE_MAX
;
288 /* Needs further modifications */
290 ctx
->Const
.MaxArrayLockSize
= (/*512*/RADEON_BUFFER_SIZE
*16*1024) / (4*4);
294 /* Initialize the software rasterizer and helper modules.
296 _swrast_CreateContext(ctx
);
297 _vbo_CreateContext(ctx
);
298 _tnl_CreateContext(ctx
);
299 _swsetup_CreateContext(ctx
);
300 _swsetup_Wakeup(ctx
);
301 _ae_create_context(ctx
);
303 /* Install the customized pipeline:
305 _tnl_destroy_pipeline(ctx
);
306 _tnl_install_pipeline(ctx
, r300_pipeline
);
308 /* Try and keep materials and vertices separate:
310 /* _tnl_isolate_materials(ctx, GL_TRUE); */
312 /* Configure swrast and TNL to match hardware characteristics:
314 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
315 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
316 _tnl_allow_pixel_fog(ctx
, GL_FALSE
);
317 _tnl_allow_vertex_fog(ctx
, GL_TRUE
);
319 /* currently bogus data */
320 ctx
->Const
.VertexProgram
.MaxInstructions
=VSF_MAX_FRAGMENT_LENGTH
/4;
321 ctx
->Const
.VertexProgram
.MaxNativeInstructions
=VSF_MAX_FRAGMENT_LENGTH
/4;
322 ctx
->Const
.VertexProgram
.MaxNativeAttribs
=16; /* r420 */
323 ctx
->Const
.VertexProgram
.MaxTemps
=32;
324 ctx
->Const
.VertexProgram
.MaxNativeTemps
=/*VSF_MAX_FRAGMENT_TEMPS*/32;
325 ctx
->Const
.VertexProgram
.MaxNativeParameters
=256; /* r420 */
326 ctx
->Const
.VertexProgram
.MaxNativeAddressRegs
=1;
328 ctx
->Const
.FragmentProgram
.MaxNativeTemps
= PFS_NUM_TEMP_REGS
;
329 ctx
->Const
.FragmentProgram
.MaxNativeAttribs
= 11; /* copy i915... */
330 ctx
->Const
.FragmentProgram
.MaxNativeParameters
= PFS_NUM_CONST_REGS
;
331 ctx
->Const
.FragmentProgram
.MaxNativeAluInstructions
= PFS_MAX_ALU_INST
;
332 ctx
->Const
.FragmentProgram
.MaxNativeTexInstructions
= PFS_MAX_TEX_INST
;
333 ctx
->Const
.FragmentProgram
.MaxNativeInstructions
= PFS_MAX_ALU_INST
+PFS_MAX_TEX_INST
;
334 ctx
->Const
.FragmentProgram
.MaxNativeTexIndirections
= PFS_MAX_TEX_INDIRECT
;
335 ctx
->Const
.FragmentProgram
.MaxNativeAddressRegs
= 0; /* and these are?? */
336 _tnl_ProgramCacheInit(ctx
);
337 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
339 driInitExtensions(ctx
, card_extensions
, GL_TRUE
);
341 if (driQueryOptionb(&r300
->radeon
.optionCache
, "disable_stencil_two_side") == 0)
342 driInitSingleExtension(ctx
, stencil_two_side
);
344 if (r300
->radeon
.glCtx
->Mesa_DXTn
&& !driQueryOptionb (&r300
->radeon
.optionCache
, "disable_s3tc")) {
345 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
346 _mesa_enable_extension( ctx
, "GL_S3_s3tc" );
348 else if (driQueryOptionb (&r300
->radeon
.optionCache
, "force_s3tc_enable")) {
349 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
352 r300
->disable_lowimpact_fallback
= driQueryOptionb(&r300
->radeon
.optionCache
, "disable_lowimpact_fallback");
354 radeonInitSpanFuncs(ctx
);
355 r300InitCmdBuf(r300
);
358 #ifdef RADEON_VTXFMT_A
359 radeon_init_vtxfmt_a(r300
);
363 /* plug in a few more device driver functions */
364 /* XXX these should really go right after _mesa_init_driver_functions() */
365 r300InitPixelFuncs(ctx
);
368 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= _tnl_run_pipeline
;
370 tcl_mode
= driQueryOptioni(&r300
->radeon
.optionCache
, "tcl_mode");
371 if (driQueryOptionb(&r300
->radeon
.optionCache
, "no_rast")) {
372 fprintf(stderr
, "disabling 3D acceleration\n");
374 FALLBACK(&r300
->radeon
, RADEON_FALLBACK_DISABLE
, 1);
377 if (tcl_mode
== DRI_CONF_TCL_SW
||
378 !(r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
)) {
379 if (r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
) {
380 r300
->radeon
.radeonScreen
->chip_flags
&= ~RADEON_CHIPSET_TCL
;
381 fprintf(stderr
, "Disabling HW TCL support\n");
383 TCL_FALLBACK(r300
->radeon
.glCtx
, RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
389 static void r300FreeGartAllocations(r300ContextPtr r300
)
391 int i
, ret
, tries
=0, done_age
, in_use
=0;
392 drm_radeon_mem_free_t memfree
;
394 memfree
.region
= RADEON_MEM_REGION_GART
;
397 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
398 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
402 /* check whether this buffer is still in use */
403 if (r300
->rmm
->u_list
[i
].pending
) {
407 /* Cannot flush/lock if no context exists. */
409 r300FlushCmdBuf(r300
, __FUNCTION__
);
411 done_age
= radeonGetAge((radeonContextPtr
)r300
);
413 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
414 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
418 /* check whether this buffer is still in use */
419 if (!r300
->rmm
->u_list
[i
].pending
) {
423 assert(r300
->rmm
->u_list
[i
].h_pending
== 0);
426 while(r300
->rmm
->u_list
[i
].age
> done_age
&& tries
++ < 1000) {
428 done_age
= radeonGetAge((radeonContextPtr
)r300
);
431 WARN_ONCE("Failed to idle region!");
434 memfree
.region_offset
= (char *)r300
->rmm
->u_list
[i
].ptr
-
435 (char *)r300
->radeon
.radeonScreen
->gartTextures
.map
;
437 ret
= drmCommandWrite(r300
->radeon
.radeonScreen
->driScreen
->fd
,
438 DRM_RADEON_FREE
, &memfree
, sizeof(memfree
));
440 fprintf(stderr
, "Failed to free at %p\nret = %s\n",
441 r300
->rmm
->u_list
[i
].ptr
, strerror(-ret
));
443 if (i
== r300
->rmm
->u_last
)
446 r300
->rmm
->u_list
[i
].pending
= 0;
447 r300
->rmm
->u_list
[i
].ptr
= NULL
;
448 if (r300
->rmm
->u_list
[i
].fb
) {
449 LOCK_HARDWARE(&(r300
->radeon
));
450 ret
= mmFreeMem(r300
->rmm
->u_list
[i
].fb
);
451 UNLOCK_HARDWARE(&(r300
->radeon
));
452 if (ret
) fprintf(stderr
, "failed to free!\n");
453 r300
->rmm
->u_list
[i
].fb
= NULL
;
455 r300
->rmm
->u_list
[i
].ref_count
= 0;
458 r300
->rmm
->u_head
= i
;
459 #endif /* USER_BUFFERS */
462 /* Destroy the device specific context.
464 void r300DestroyContext(__DRIcontextPrivate
* driContextPriv
)
466 GET_CURRENT_CONTEXT(ctx
);
467 r300ContextPtr r300
= (r300ContextPtr
) driContextPriv
->driverPrivate
;
468 radeonContextPtr radeon
= (radeonContextPtr
) r300
;
469 radeonContextPtr current
= ctx
? RADEON_CONTEXT(ctx
) : NULL
;
471 if (RADEON_DEBUG
& DEBUG_DRI
) {
472 fprintf(stderr
, "Destroying context !\n");
475 /* check if we're deleting the currently bound context */
476 if (&r300
->radeon
== current
) {
477 radeonFlush(r300
->radeon
.glCtx
);
478 _mesa_make_current(NULL
, NULL
, NULL
);
481 /* Free r300 context resources */
482 assert(r300
); /* should never be null */
485 GLboolean release_texture_heaps
;
487 release_texture_heaps
= (r300
->radeon
.glCtx
->Shared
->RefCount
== 1);
488 _swsetup_DestroyContext(r300
->radeon
.glCtx
);
489 _tnl_ProgramCacheDestroy(r300
->radeon
.glCtx
);
490 _tnl_DestroyContext(r300
->radeon
.glCtx
);
491 _vbo_DestroyContext(r300
->radeon
.glCtx
);
492 _swrast_DestroyContext(r300
->radeon
.glCtx
);
494 if (r300
->dma
.current
.buf
) {
495 r300ReleaseDmaRegion(r300
, &r300
->dma
.current
, __FUNCTION__
);
497 r300FlushCmdBuf(r300
, __FUNCTION__
);
500 r300FreeGartAllocations(r300
);
501 r300DestroyCmdBuf(r300
);
503 if (radeon
->state
.scissor
.pClipRects
) {
504 FREE(radeon
->state
.scissor
.pClipRects
);
505 radeon
->state
.scissor
.pClipRects
= NULL
;
508 if (release_texture_heaps
) {
509 /* This share group is about to go away, free our private
510 * texture object data.
514 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
515 driDestroyTextureHeap(r300
->texture_heaps
[i
]);
516 r300
->texture_heaps
[i
] = NULL
;
519 assert(is_empty_list(&r300
->swapped
));
522 radeonCleanupContext(&r300
->radeon
);
525 /* the memory manager might be accessed when Mesa frees the shared
526 * state, so don't destroy it earlier
528 radeon_mm_destroy(r300
);
531 /* free the option cache */
532 driDestroyOptionCache(&r300
->radeon
.optionCache
);