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"
47 #include "array_cache/acache.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");
204 //r300->texmicrotile = GL_TRUE;
206 /* Init default driver functions then plug in our R300-specific functions
207 * (the texture functions are especially important)
209 _mesa_init_driver_functions(&functions
);
210 r300InitIoctlFuncs(&functions
);
211 r300InitStateFuncs(&functions
);
212 r300InitTextureFuncs(&functions
);
213 r300InitShaderFuncs(&functions
);
216 radeon_mm_init(r300
);
220 r300_init_vbo_funcs(&functions
);
223 if (!radeonInitContext(&r300
->radeon
, &functions
,
224 glVisual
, driContextPriv
, sharedContextPrivate
)) {
229 /* Init r300 context data */
230 r300
->dma
.buf0_address
= r300
->radeon
.radeonScreen
->buffers
->list
[0].address
;
232 (void)memset(r300
->texture_heaps
, 0, sizeof(r300
->texture_heaps
));
233 make_empty_list(&r300
->swapped
);
235 r300
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
236 assert(r300
->nr_heaps
< RADEON_NR_TEX_HEAPS
);
237 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
238 r300
->texture_heaps
[i
] = driCreateTextureHeap(i
, r300
,
241 RADEON_NR_TEX_REGIONS
,
242 (drmTextureRegionPtr
)
245 &r300
->radeon
.sarea
->
250 (destroy_texture_object_t
254 r300
->texture_depth
= driQueryOptioni(&r300
->radeon
.optionCache
,
256 if (r300
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
257 r300
->texture_depth
= (screen
->cpp
== 4) ?
258 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
260 /* Set the maximum texture size small enough that we can guarentee that
261 * all texture units can bind a maximal texture and have them both in
262 * texturable memory at once.
265 ctx
= r300
->radeon
.glCtx
;
267 ctx
->Const
.MaxTextureImageUnits
= driQueryOptioni(&r300
->radeon
.optionCache
,
268 "texture_image_units");
269 ctx
->Const
.MaxTextureCoordUnits
= driQueryOptioni(&r300
->radeon
.optionCache
,
270 "texture_coord_units");
271 ctx
->Const
.MaxTextureUnits
= MIN2(ctx
->Const
.MaxTextureImageUnits
,
272 ctx
->Const
.MaxTextureCoordUnits
);
273 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
275 ctx
->Const
.MinPointSize
= 1.0;
276 ctx
->Const
.MinPointSizeAA
= 1.0;
277 ctx
->Const
.MaxPointSize
= R300_POINTSIZE_MAX
;
278 ctx
->Const
.MaxPointSizeAA
= R300_POINTSIZE_MAX
;
280 ctx
->Const
.MinLineWidth
= 1.0;
281 ctx
->Const
.MinLineWidthAA
= 1.0;
282 ctx
->Const
.MaxLineWidth
= R300_LINESIZE_MAX
;
283 ctx
->Const
.MaxLineWidthAA
= R300_LINESIZE_MAX
;
286 /* Needs further modifications */
288 ctx
->Const
.MaxArrayLockSize
= (/*512*/RADEON_BUFFER_SIZE
*16*1024) / (4*4);
292 /* Initialize the software rasterizer and helper modules.
294 _swrast_CreateContext(ctx
);
295 _ac_CreateContext(ctx
);
296 _tnl_CreateContext(ctx
);
297 _swsetup_CreateContext(ctx
);
298 _swsetup_Wakeup(ctx
);
299 _ae_create_context(ctx
);
301 /* Install the customized pipeline:
303 _tnl_destroy_pipeline(ctx
);
304 _tnl_install_pipeline(ctx
, r300_pipeline
);
306 /* Try and keep materials and vertices separate:
308 _tnl_isolate_materials(ctx
, GL_TRUE
);
310 /* Configure swrast and TNL to match hardware characteristics:
312 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
313 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
314 _tnl_allow_pixel_fog(ctx
, GL_FALSE
);
315 _tnl_allow_vertex_fog(ctx
, GL_TRUE
);
317 /* currently bogus data */
318 ctx
->Const
.VertexProgram
.MaxInstructions
=VSF_MAX_FRAGMENT_LENGTH
/4;
319 ctx
->Const
.VertexProgram
.MaxNativeInstructions
=VSF_MAX_FRAGMENT_LENGTH
/4;
320 ctx
->Const
.VertexProgram
.MaxNativeAttribs
=16; /* r420 */
321 ctx
->Const
.VertexProgram
.MaxTemps
=32;
322 ctx
->Const
.VertexProgram
.MaxNativeTemps
=/*VSF_MAX_FRAGMENT_TEMPS*/32;
323 ctx
->Const
.VertexProgram
.MaxNativeParameters
=256; /* r420 */
324 ctx
->Const
.VertexProgram
.MaxNativeAddressRegs
=1;
326 ctx
->Const
.FragmentProgram
.MaxNativeTemps
= PFS_NUM_TEMP_REGS
;
327 ctx
->Const
.FragmentProgram
.MaxNativeAttribs
= 11; /* copy i915... */
328 ctx
->Const
.FragmentProgram
.MaxNativeParameters
= PFS_NUM_CONST_REGS
;
329 ctx
->Const
.FragmentProgram
.MaxNativeAluInstructions
= PFS_MAX_ALU_INST
;
330 ctx
->Const
.FragmentProgram
.MaxNativeTexInstructions
= PFS_MAX_TEX_INST
;
331 ctx
->Const
.FragmentProgram
.MaxNativeInstructions
= PFS_MAX_ALU_INST
+PFS_MAX_TEX_INST
;
332 ctx
->Const
.FragmentProgram
.MaxNativeTexIndirections
= PFS_MAX_TEX_INDIRECT
;
333 ctx
->Const
.FragmentProgram
.MaxNativeAddressRegs
= 0; /* and these are?? */
334 _tnl_ProgramCacheInit(ctx
);
335 ctx
->_MaintainTexEnvProgram
= GL_TRUE
;
337 driInitExtensions(ctx
, card_extensions
, GL_TRUE
);
339 if (driQueryOptionb(&r300
->radeon
.optionCache
, "disable_stencil_two_side") == 0)
340 driInitSingleExtension(ctx
, stencil_two_side
);
342 if (r300
->radeon
.glCtx
->Mesa_DXTn
&& !driQueryOptionb (&r300
->radeon
.optionCache
, "disable_s3tc")) {
343 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
344 _mesa_enable_extension( ctx
, "GL_S3_s3tc" );
346 else if (driQueryOptionb (&r300
->radeon
.optionCache
, "force_s3tc_enable")) {
347 _mesa_enable_extension( ctx
, "GL_EXT_texture_compression_s3tc" );
350 r300
->disable_lowimpact_fallback
= driQueryOptionb(&r300
->radeon
.optionCache
, "disable_lowimpact_fallback");
352 radeonInitSpanFuncs(ctx
);
353 r300InitCmdBuf(r300
);
356 #ifdef RADEON_VTXFMT_A
357 radeon_init_vtxfmt_a(r300
);
361 /* plug in a few more device driver functions */
362 /* XXX these should really go right after _mesa_init_driver_functions() */
363 r300InitPixelFuncs(ctx
);
366 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= _tnl_run_pipeline
;
368 tcl_mode
= driQueryOptioni(&r300
->radeon
.optionCache
, "tcl_mode");
369 if (driQueryOptionb(&r300
->radeon
.optionCache
, "no_rast")) {
370 fprintf(stderr
, "disabling 3D acceleration\n");
372 FALLBACK(&r300
->radeon
, RADEON_FALLBACK_DISABLE
, 1);
375 if (tcl_mode
== DRI_CONF_TCL_SW
||
376 !(r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
)) {
377 if (r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
) {
378 r300
->radeon
.radeonScreen
->chip_flags
&= ~RADEON_CHIPSET_TCL
;
379 fprintf(stderr
, "Disabling HW TCL support\n");
381 TCL_FALLBACK(r300
->radeon
.glCtx
, RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
387 static void r300FreeGartAllocations(r300ContextPtr r300
)
389 int i
, ret
, tries
=0, done_age
, in_use
=0;
390 drm_radeon_mem_free_t memfree
;
392 memfree
.region
= RADEON_MEM_REGION_GART
;
395 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
396 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
400 /* check whether this buffer is still in use */
401 if (r300
->rmm
->u_list
[i
].pending
) {
405 /* Cannot flush/lock if no context exists. */
407 r300FlushCmdBuf(r300
, __FUNCTION__
);
409 done_age
= radeonGetAge((radeonContextPtr
)r300
);
411 for (i
= r300
->rmm
->u_last
; i
> 0; i
--) {
412 if (r300
->rmm
->u_list
[i
].ptr
== NULL
) {
416 /* check whether this buffer is still in use */
417 if (!r300
->rmm
->u_list
[i
].pending
) {
421 assert(r300
->rmm
->u_list
[i
].h_pending
== 0);
424 while(r300
->rmm
->u_list
[i
].age
> done_age
&& tries
++ < 1000) {
426 done_age
= radeonGetAge((radeonContextPtr
)r300
);
429 WARN_ONCE("Failed to idle region!");
432 memfree
.region_offset
= (char *)r300
->rmm
->u_list
[i
].ptr
-
433 (char *)r300
->radeon
.radeonScreen
->gartTextures
.map
;
435 ret
= drmCommandWrite(r300
->radeon
.radeonScreen
->driScreen
->fd
,
436 DRM_RADEON_FREE
, &memfree
, sizeof(memfree
));
438 fprintf(stderr
, "Failed to free at %p\nret = %s\n",
439 r300
->rmm
->u_list
[i
].ptr
, strerror(-ret
));
441 if (i
== r300
->rmm
->u_last
)
444 r300
->rmm
->u_list
[i
].pending
= 0;
445 r300
->rmm
->u_list
[i
].ptr
= NULL
;
446 if (r300
->rmm
->u_list
[i
].fb
) {
447 LOCK_HARDWARE(&(r300
->radeon
));
448 ret
= mmFreeMem(r300
->rmm
->u_list
[i
].fb
);
449 UNLOCK_HARDWARE(&(r300
->radeon
));
450 if (ret
) fprintf(stderr
, "failed to free!\n");
451 r300
->rmm
->u_list
[i
].fb
= NULL
;
453 r300
->rmm
->u_list
[i
].ref_count
= 0;
456 r300
->rmm
->u_head
= i
;
457 #endif /* USER_BUFFERS */
460 /* Destroy the device specific context.
462 void r300DestroyContext(__DRIcontextPrivate
* driContextPriv
)
464 GET_CURRENT_CONTEXT(ctx
);
465 r300ContextPtr r300
= (r300ContextPtr
) driContextPriv
->driverPrivate
;
466 radeonContextPtr radeon
= (radeonContextPtr
) r300
;
467 radeonContextPtr current
= ctx
? RADEON_CONTEXT(ctx
) : NULL
;
469 if (RADEON_DEBUG
& DEBUG_DRI
) {
470 fprintf(stderr
, "Destroying context !\n");
473 /* check if we're deleting the currently bound context */
474 if (&r300
->radeon
== current
) {
475 radeonFlush(r300
->radeon
.glCtx
);
476 _mesa_make_current(NULL
, NULL
, NULL
);
479 /* Free r300 context resources */
480 assert(r300
); /* should never be null */
483 GLboolean release_texture_heaps
;
485 release_texture_heaps
= (r300
->radeon
.glCtx
->Shared
->RefCount
== 1);
486 _swsetup_DestroyContext(r300
->radeon
.glCtx
);
487 _tnl_ProgramCacheDestroy(r300
->radeon
.glCtx
);
488 _tnl_DestroyContext(r300
->radeon
.glCtx
);
489 _ac_DestroyContext(r300
->radeon
.glCtx
);
490 _swrast_DestroyContext(r300
->radeon
.glCtx
);
492 if (r300
->dma
.current
.buf
) {
493 r300ReleaseDmaRegion(r300
, &r300
->dma
.current
, __FUNCTION__
);
495 r300FlushCmdBuf(r300
, __FUNCTION__
);
498 r300FreeGartAllocations(r300
);
499 r300DestroyCmdBuf(r300
);
501 if (radeon
->state
.scissor
.pClipRects
) {
502 FREE(radeon
->state
.scissor
.pClipRects
);
503 radeon
->state
.scissor
.pClipRects
= NULL
;
506 if (release_texture_heaps
) {
507 /* This share group is about to go away, free our private
508 * texture object data.
512 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
513 driDestroyTextureHeap(r300
->texture_heaps
[i
]);
514 r300
->texture_heaps
[i
] = NULL
;
517 assert(is_empty_list(&r300
->swapped
));
520 radeonCleanupContext(&r300
->radeon
);
523 /* the memory manager might be accessed when Mesa frees the shared
524 * state, so don't destroy it earlier
526 radeon_mm_destroy(r300
);
529 /* free the option cache */
530 driDestroyOptionCache(&r300
->radeon
.optionCache
);