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"
67 #include "radeon_bo_legacy.h"
72 #include "xmlpool.h" /* for symbolic values of enum-type options */
74 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
75 int future_hw_tcl_on
= 1;
78 #define need_GL_EXT_stencil_two_side
79 #define need_GL_ARB_multisample
80 #define need_GL_ARB_point_parameters
81 #define need_GL_ARB_texture_compression
82 #define need_GL_ARB_vertex_buffer_object
83 #define need_GL_ARB_vertex_program
84 #define need_GL_EXT_blend_minmax
85 //#define need_GL_EXT_fog_coord
86 #define need_GL_EXT_multi_draw_arrays
87 #define need_GL_EXT_secondary_color
88 #define need_GL_EXT_blend_equation_separate
89 #define need_GL_EXT_blend_func_separate
90 #define need_GL_EXT_gpu_program_parameters
91 #define need_GL_NV_vertex_program
92 #include "extension_helper.h"
94 const struct dri_extension card_extensions
[] = {
96 {"GL_ARB_depth_texture", NULL
},
97 {"GL_ARB_fragment_program", NULL
},
98 {"GL_ARB_multisample", GL_ARB_multisample_functions
},
99 {"GL_ARB_multitexture", NULL
},
100 {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions
},
101 {"GL_ARB_shadow", NULL
},
102 {"GL_ARB_shadow_ambient", NULL
},
103 {"GL_ARB_texture_border_clamp", NULL
},
104 {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions
},
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_texture_env_combine3", NULL
},
132 {"GL_ATI_texture_mirror_once", NULL
},
133 {"GL_MESA_pack_invert", NULL
},
134 {"GL_MESA_ycbcr_texture", NULL
},
135 {"GL_MESAX_texture_float", NULL
},
136 {"GL_NV_blend_square", NULL
},
137 {"GL_NV_vertex_program", GL_NV_vertex_program_functions
},
138 {"GL_SGIS_generate_mipmap", NULL
},
143 extern struct tnl_pipeline_stage _r300_render_stage
;
144 extern const struct tnl_pipeline_stage _r300_tcl_stage
;
146 static const struct tnl_pipeline_stage
*r300_pipeline
[] = {
148 /* Try and go straight to t&l
152 /* Catch any t&l fallbacks
154 &_tnl_vertex_transform_stage
,
155 &_tnl_normal_transform_stage
,
156 &_tnl_lighting_stage
,
157 &_tnl_fog_coordinate_stage
,
159 &_tnl_texture_transform_stage
,
160 &_tnl_vertex_program_stage
,
162 /* Try again to go to tcl?
163 * - no good for asymmetric-twoside (do with multipass)
164 * - no good for asymmetric-unfilled (do with multipass)
165 * - good for material
167 * - need to manipulate a bit of state
169 * - worth it/not worth it?
172 /* Else do them here.
175 &_tnl_render_stage
, /* FALLBACK */
179 static void r300RunPipeline(GLcontext
* ctx
)
181 _mesa_lock_context_textures(ctx
);
184 _mesa_update_state_locked(ctx
);
186 _tnl_run_pipeline(ctx
);
187 _mesa_unlock_context_textures(ctx
);
190 static void r300_get_lock(radeonContextPtr rmesa
)
192 drm_radeon_sarea_t
*sarea
= rmesa
->sarea
;
194 if (sarea
->ctx_owner
!= rmesa
->dri
.hwContext
) {
195 sarea
->ctx_owner
= rmesa
->dri
.hwContext
;
196 if (!rmesa
->radeonScreen
->kernel_mm
)
197 radeon_bo_legacy_texture_age(rmesa
->radeonScreen
->bom
);
201 static void r300_vtbl_flush(GLcontext
*ctx
)
206 static void r300_vtbl_set_all_dirty(GLcontext
*ctx
)
208 r300ContextPtr rmesa
= R300_CONTEXT(ctx
);
209 rmesa
->hw
.all_dirty
= GL_TRUE
;
212 static void r300_vtbl_emit_state(radeonContextPtr rmesa
)
214 r300EmitState((r300ContextPtr
)rmesa
);
217 static void r300_vtbl_emit_cs_header(struct radeon_cs
*cs
, radeonContextPtr rmesa
)
219 /* please flush pipe do all pending work */
220 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
221 R300_SC_SCREENDOOR
, 1));
222 radeon_cs_write_dword(cs
, 0x0);
223 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
224 R300_SC_SCREENDOOR
, 1));
225 radeon_cs_write_dword(cs
, 0x00FFFFFF);
226 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
228 radeon_cs_write_dword(cs
, 0x0);
229 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
231 radeon_cs_write_dword(cs
, 0x0);
232 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
234 radeon_cs_write_dword(cs
, 0x0);
235 radeon_cs_write_dword(cs
, cmdwait(rmesa
->radeonScreen
, R300_WAIT_3D
));
236 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
237 R300_RB3D_DSTCACHE_CTLSTAT
, 1));
238 radeon_cs_write_dword(cs
, R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D
);
239 radeon_cs_write_dword(cs
, cmdpacket0(rmesa
->radeonScreen
,
240 R300_ZB_ZCACHE_CTLSTAT
, 1));
241 radeon_cs_write_dword(cs
, R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE
);
242 radeon_cs_write_dword(cs
, cmdwait(rmesa
->radeonScreen
,
243 R300_WAIT_3D
| R300_WAIT_3D_CLEAN
));
246 static void r300_vtbl_flush_vertices(radeonContextPtr rmesa
)
248 R300_FIREVERTICES(((r300ContextPtr
)rmesa
));
251 static void r300_init_vtbl(radeonContextPtr radeon
)
253 radeon
->vtbl
.get_lock
= r300_get_lock
;
254 radeon
->vtbl
.update_viewport_offset
= r300UpdateViewportOffset
;
255 radeon
->vtbl
.flush
= r300_vtbl_flush
;
256 radeon
->vtbl
.set_all_dirty
= r300_vtbl_set_all_dirty
;
257 radeon
->vtbl
.update_draw_buffer
= r300UpdateDrawBuffer
;
258 radeon
->vtbl
.emit_cs_header
= r300_vtbl_emit_cs_header
;
259 radeon
->vtbl
.emit_state
= r300_vtbl_emit_state
;
260 radeon
->vtbl
.flush_vertices
= r300_vtbl_flush_vertices
;
261 radeon
->vtbl
.swtcl_flush
= r300_swtcl_flush
;
265 /* Create the device specific rendering context.
267 GLboolean
r300CreateContext(const __GLcontextModes
* glVisual
,
268 __DRIcontextPrivate
* driContextPriv
,
269 void *sharedContextPrivate
)
271 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
272 radeonScreenPtr screen
= (radeonScreenPtr
) (sPriv
->private);
273 struct dd_function_table functions
;
279 assert(driContextPriv
);
282 /* Allocate the R300 context */
283 r300
= (r300ContextPtr
) CALLOC(sizeof(*r300
));
287 if (!(screen
->chip_flags
& RADEON_CHIPSET_TCL
))
288 hw_tcl_on
= future_hw_tcl_on
= 0;
290 r300_init_vtbl(&r300
->radeon
);
291 /* Parse configuration files.
292 * Do this here so that initialMaxAnisotropy is set before we create
293 * the default textures.
295 driParseConfigFiles(&r300
->radeon
.optionCache
, &screen
->optionCache
,
296 screen
->driScreen
->myNum
, "r300");
297 r300
->radeon
.initialMaxAnisotropy
= driQueryOptionf(&r300
->radeon
.optionCache
,
298 "def_max_anisotropy");
300 /* Init default driver functions then plug in our R300-specific functions
301 * (the texture functions are especially important)
303 _mesa_init_driver_functions(&functions
);
304 r300InitIoctlFuncs(&functions
);
305 r300InitStateFuncs(&functions
);
306 r300InitTextureFuncs(&functions
);
307 r300InitShaderFuncs(&functions
);
309 if (!radeonInitContext(&r300
->radeon
, &functions
,
310 glVisual
, driContextPriv
,
311 sharedContextPrivate
)) {
316 /* Init r300 context data */
317 r300
->radeon
.texture_depth
= driQueryOptioni(&r300
->radeon
.optionCache
,
319 if (r300
->radeon
.texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
320 r300
->radeon
.texture_depth
= (screen
->cpp
== 4) ?
321 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
323 /* Set the maximum texture size small enough that we can guarentee that
324 * all texture units can bind a maximal texture and have them both in
325 * texturable memory at once.
328 ctx
= r300
->radeon
.glCtx
;
330 ctx
->Const
.MaxTextureImageUnits
=
331 driQueryOptioni(&r300
->radeon
.optionCache
, "texture_image_units");
332 ctx
->Const
.MaxTextureCoordUnits
=
333 driQueryOptioni(&r300
->radeon
.optionCache
, "texture_coord_units");
334 ctx
->Const
.MaxTextureUnits
=
335 MIN2(ctx
->Const
.MaxTextureImageUnits
,
336 ctx
->Const
.MaxTextureCoordUnits
);
337 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
338 ctx
->Const
.MaxTextureLodBias
= 16.0;
340 if (screen
->chip_family
>= CHIP_FAMILY_RV515
) {
341 ctx
->Const
.MaxTextureLevels
= 13;
342 ctx
->Const
.MaxTextureRectSize
= 4096;
345 ctx
->Const
.MinPointSize
= 1.0;
346 ctx
->Const
.MinPointSizeAA
= 1.0;
347 ctx
->Const
.MaxPointSize
= R300_POINTSIZE_MAX
;
348 ctx
->Const
.MaxPointSizeAA
= R300_POINTSIZE_MAX
;
350 ctx
->Const
.MinLineWidth
= 1.0;
351 ctx
->Const
.MinLineWidthAA
= 1.0;
352 ctx
->Const
.MaxLineWidth
= R300_LINESIZE_MAX
;
353 ctx
->Const
.MaxLineWidthAA
= R300_LINESIZE_MAX
;
355 /* Needs further modifications */
357 ctx
->Const
.MaxArrayLockSize
=
358 ( /*512 */ RADEON_BUFFER_SIZE
* 16 * 1024) / (4 * 4);
361 /* Initialize the software rasterizer and helper modules.
363 _swrast_CreateContext(ctx
);
364 _vbo_CreateContext(ctx
);
365 _tnl_CreateContext(ctx
);
366 _swsetup_CreateContext(ctx
);
367 _swsetup_Wakeup(ctx
);
368 _ae_create_context(ctx
);
370 /* Install the customized pipeline:
372 _tnl_destroy_pipeline(ctx
);
373 _tnl_install_pipeline(ctx
, r300_pipeline
);
375 /* Try and keep materials and vertices separate:
377 /* _tnl_isolate_materials(ctx, GL_TRUE); */
379 /* Configure swrast and TNL to match hardware characteristics:
381 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
382 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
383 _tnl_allow_pixel_fog(ctx
, GL_FALSE
);
384 _tnl_allow_vertex_fog(ctx
, GL_TRUE
);
386 /* currently bogus data */
387 if (screen
->chip_flags
& RADEON_CHIPSET_TCL
) {
388 ctx
->Const
.VertexProgram
.MaxInstructions
= VSF_MAX_FRAGMENT_LENGTH
/ 4;
389 ctx
->Const
.VertexProgram
.MaxNativeInstructions
=
390 VSF_MAX_FRAGMENT_LENGTH
/ 4;
391 ctx
->Const
.VertexProgram
.MaxNativeAttribs
= 16; /* r420 */
392 ctx
->Const
.VertexProgram
.MaxTemps
= 32;
393 ctx
->Const
.VertexProgram
.MaxNativeTemps
=
394 /*VSF_MAX_FRAGMENT_TEMPS */ 32;
395 ctx
->Const
.VertexProgram
.MaxNativeParameters
= 256; /* r420 */
396 ctx
->Const
.VertexProgram
.MaxNativeAddressRegs
= 1;
399 ctx
->Const
.FragmentProgram
.MaxNativeTemps
= PFS_NUM_TEMP_REGS
;
400 ctx
->Const
.FragmentProgram
.MaxNativeAttribs
= 11; /* copy i915... */
401 ctx
->Const
.FragmentProgram
.MaxNativeParameters
= PFS_NUM_CONST_REGS
;
402 ctx
->Const
.FragmentProgram
.MaxNativeAluInstructions
= PFS_MAX_ALU_INST
;
403 ctx
->Const
.FragmentProgram
.MaxNativeTexInstructions
= PFS_MAX_TEX_INST
;
404 ctx
->Const
.FragmentProgram
.MaxNativeInstructions
=
405 PFS_MAX_ALU_INST
+ PFS_MAX_TEX_INST
;
406 ctx
->Const
.FragmentProgram
.MaxNativeTexIndirections
=
407 PFS_MAX_TEX_INDIRECT
;
408 ctx
->Const
.FragmentProgram
.MaxNativeAddressRegs
= 0; /* and these are?? */
409 ctx
->VertexProgram
._MaintainTnlProgram
= GL_TRUE
;
410 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
412 driInitExtensions(ctx
, card_extensions
, GL_TRUE
);
415 (&r300
->radeon
.optionCache
, "disable_stencil_two_side"))
416 _mesa_disable_extension(ctx
, "GL_EXT_stencil_two_side");
418 if (r300
->radeon
.glCtx
->Mesa_DXTn
419 && !driQueryOptionb(&r300
->radeon
.optionCache
, "disable_s3tc")) {
420 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
421 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
423 if (driQueryOptionb(&r300
->radeon
.optionCache
, "force_s3tc_enable"))
425 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
428 r300
->disable_lowimpact_fallback
=
429 driQueryOptionb(&r300
->radeon
.optionCache
,
430 "disable_lowimpact_fallback");
432 r300InitCmdBuf(r300
);
434 if (!(screen
->chip_flags
& RADEON_CHIPSET_TCL
))
437 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= r300RunPipeline
;
439 tcl_mode
= driQueryOptioni(&r300
->radeon
.optionCache
, "tcl_mode");
440 if (driQueryOptionb(&r300
->radeon
.optionCache
, "no_rast")) {
441 fprintf(stderr
, "disabling 3D acceleration\n");
443 FALLBACK(&r300
->radeon
, RADEON_FALLBACK_DISABLE
, 1);
446 if (tcl_mode
== DRI_CONF_TCL_SW
||
447 !(r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
)) {
448 if (r300
->radeon
.radeonScreen
->chip_flags
& RADEON_CHIPSET_TCL
) {
449 r300
->radeon
.radeonScreen
->chip_flags
&=
451 fprintf(stderr
, "Disabling HW TCL support\n");
453 TCL_FALLBACK(r300
->radeon
.glCtx
,
454 RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
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 _swsetup_DestroyContext(r300
->radeon
.glCtx
);
484 _tnl_DestroyContext(r300
->radeon
.glCtx
);
485 _vbo_DestroyContext(r300
->radeon
.glCtx
);
486 _swrast_DestroyContext(r300
->radeon
.glCtx
);
488 rcommonFlushCmdBuf(&r300
->radeon
, __FUNCTION__
);
489 r300DestroyCmdBuf(r300
);
491 if (radeon
->state
.scissor
.pClipRects
) {
492 FREE(radeon
->state
.scissor
.pClipRects
);
493 radeon
->state
.scissor
.pClipRects
= NULL
;
496 radeonCleanupContext(&r300
->radeon
);
498 /* the memory manager might be accessed when Mesa frees the shared
499 * state, so don't destroy it earlier