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"
44 #include "swrast/swrast.h"
45 #include "swrast_setup/swrast_setup.h"
46 #include "array_cache/acache.h"
49 #include "tnl/t_pipeline.h"
51 #include "drivers/common/driverfuncs.h"
53 #include "radeon_ioctl.h"
54 #include "radeon_span.h"
55 #include "r300_context.h"
56 #include "r300_cmdbuf.h"
57 #include "r300_state.h"
58 #include "r300_ioctl.h"
63 #include "xmlpool.h" /* for symbolic values of enum-type options */
65 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
66 int future_hw_tcl_on
=0;
69 /* Extension strings exported by the R300 driver.
71 static const char *const card_extensions
[] = {
73 "GL_ARB_multitexture",
74 "GL_ARB_texture_border_clamp",
75 "GL_ARB_texture_compression",
76 "GL_ARB_texture_cube_map",
77 "GL_ARB_texture_env_add",
78 "GL_ARB_texture_env_combine",
79 "GL_ARB_texture_env_dot3",
80 "GL_ARB_texture_mirrored_repeat",
81 "GL_ARB_vertex_buffer_object",
82 "GL_ARB_vertex_program",
83 //"GL_ARB_fragment_program",
84 "GL_EXT_blend_equation_separate",
85 "GL_EXT_blend_func_separate",
86 "GL_EXT_blend_minmax",
87 "GL_EXT_blend_subtract",
88 "GL_EXT_secondary_color",
89 "GL_EXT_stencil_wrap",
90 "GL_EXT_texture_edge_clamp",
91 "GL_EXT_texture_env_combine",
92 "GL_EXT_texture_env_dot3",
93 "GL_EXT_texture_filter_anisotropic",
94 "GL_EXT_texture_lod_bias",
95 "GL_EXT_texture_mirror_clamp",
96 "GL_EXT_texture_rectangle",
97 "GL_ATI_texture_env_combine3",
98 "GL_ATI_texture_mirror_once",
99 "GL_MESA_pack_invert",
100 "GL_MESA_ycbcr_texture",
101 "GL_NV_blend_square",
102 "GL_NV_vertex_program",
103 "GL_SGIS_generate_mipmap",
107 extern struct tnl_pipeline_stage _r300_render_stage
;
108 extern struct tnl_pipeline_stage _r300_tcl_stage
;
110 static const struct tnl_pipeline_stage
*r300_pipeline
[] = {
112 /* Try and go straight to t&l
116 /* Catch any t&l fallbacks
118 &_tnl_vertex_transform_stage
,
119 &_tnl_normal_transform_stage
,
120 &_tnl_lighting_stage
,
121 &_tnl_fog_coordinate_stage
,
123 &_tnl_texture_transform_stage
,
124 &_tnl_vertex_program_stage
,
126 /* Try again to go to tcl?
127 * - no good for asymmetric-twoside (do with multipass)
128 * - no good for asymmetric-unfilled (do with multipass)
129 * - good for material
131 * - need to manipulate a bit of state
133 * - worth it/not worth it?
136 /* Else do them here.
139 &_tnl_render_stage
, /* FALLBACK */
143 void r300BufferData(GLcontext
*ctx
, GLenum target
, GLsizeiptrARB size
,
144 const GLvoid
*data
, GLenum usage
, struct gl_buffer_object
*obj
)
146 r300ContextPtr rmesa
= R300_CONTEXT(ctx
);
147 drm_radeon_mem_alloc_t alloc
;
150 alloc
.region
= RADEON_MEM_REGION_GART
;
153 alloc
.region_offset
= &offset
;
155 ret
= drmCommandWriteRead( rmesa
->radeon
.dri
.fd
, DRM_RADEON_ALLOC
, &alloc
, sizeof(alloc
));
157 WARN_ONCE("Ran out of GART memory!\n");
158 _mesa_buffer_data(ctx
, target
, size
, data
, usage
, obj
);
161 obj
->Data
= ((char *)rmesa
->radeon
.radeonScreen
->gartTextures
.map
) + offset
;
162 memcpy(obj
->Data
, data
, size
);
166 fprintf(stderr
, "allocated %d bytes at %p, offset=%d\n", size
, obj
->Data
, offset
);
170 void r300DeleteBuffer(GLcontext
*ctx
, struct gl_buffer_object
*obj
)
172 r300ContextPtr rmesa
= R300_CONTEXT(ctx
);
174 if(r300IsGartMemory(rmesa
, obj
->Data
, obj
->Size
)){
175 drm_radeon_mem_free_t memfree
;
178 memfree
.region
= RADEON_MEM_REGION_GART
;
179 memfree
.region_offset
= (char *)obj
->Data
- (char *)rmesa
->radeon
.radeonScreen
->gartTextures
.map
;
181 ret
= drmCommandWrite(rmesa
->radeon
.radeonScreen
->driScreen
->fd
,
182 DRM_RADEON_FREE
, &memfree
, sizeof(memfree
));
185 WARN_ONCE("Failed to free GART memroy!\n");
189 _mesa_delete_buffer_object(ctx
, obj
);
192 /* Create the device specific rendering context.
194 GLboolean
r300CreateContext(const __GLcontextModes
* glVisual
,
195 __DRIcontextPrivate
* driContextPriv
,
196 void *sharedContextPrivate
)
198 __DRIscreenPrivate
*sPriv
= driContextPriv
->driScreenPriv
;
199 radeonScreenPtr screen
= (radeonScreenPtr
) (sPriv
->private);
200 struct dd_function_table functions
;
206 assert(driContextPriv
);
209 /* Allocate the R300 context */
210 r300
= (r300ContextPtr
)CALLOC(sizeof(*r300
));
214 /* Parse configuration files.
215 * Do this here so that initialMaxAnisotropy is set before we create
216 * the default textures.
218 driParseConfigFiles(&r300
->radeon
.optionCache
, &screen
->optionCache
,
219 screen
->driScreen
->myNum
, "r300");
221 /* Init default driver functions then plug in our R300-specific functions
222 * (the texture functions are especially important)
224 _mesa_init_driver_functions(&functions
);
225 r300InitIoctlFuncs(&functions
);
226 r300InitStateFuncs(&functions
);
227 r300InitTextureFuncs(&functions
);
228 r300InitShaderFuncs(&functions
);
230 functions
.BufferData
= r300BufferData
;
231 functions
.DeleteBuffer
= r300DeleteBuffer
;
234 if (!radeonInitContext(&r300
->radeon
, &functions
,
235 glVisual
, driContextPriv
, sharedContextPrivate
)) {
240 /* Init r300 context data */
241 r300
->dma
.buf0_address
= r300
->radeon
.radeonScreen
->buffers
->list
[0].address
;
243 (void)memset(r300
->texture_heaps
, 0, sizeof(r300
->texture_heaps
));
244 make_empty_list(&r300
->swapped
);
246 r300
->nr_heaps
= 1 /* screen->numTexHeaps */ ;
247 assert(r300
->nr_heaps
< R200_NR_TEX_HEAPS
);
248 for (i
= 0; i
< r300
->nr_heaps
; i
++) {
249 r300
->texture_heaps
[i
] = driCreateTextureHeap(i
, r300
,
252 RADEON_NR_TEX_REGIONS
,
253 (drmTextureRegionPtr
)
256 &r300
->radeon
.sarea
->
261 (destroy_texture_object_t
265 r300
->texture_depth
= driQueryOptioni(&r300
->radeon
.optionCache
,
267 if (r300
->texture_depth
== DRI_CONF_TEXTURE_DEPTH_FB
)
268 r300
->texture_depth
= (screen
->cpp
== 4) ?
269 DRI_CONF_TEXTURE_DEPTH_32
: DRI_CONF_TEXTURE_DEPTH_16
;
271 /* Set the maximum texture size small enough that we can guarentee that
272 * all texture units can bind a maximal texture and have them both in
273 * texturable memory at once.
276 ctx
= r300
->radeon
.glCtx
;
278 ctx
->Const
.MaxTextureImageUnits
= driQueryOptioni(&r300
->radeon
.optionCache
,
279 "texture_image_units");
280 ctx
->Const
.MaxTextureCoordUnits
= driQueryOptioni(&r300
->radeon
.optionCache
,
281 "texture_coord_units");
282 ctx
->Const
.MaxTextureUnits
= MIN2(ctx
->Const
.MaxTextureImageUnits
,
283 ctx
->Const
.MaxTextureCoordUnits
);
284 ctx
->Const
.MaxTextureMaxAnisotropy
= 16.0;
286 ctx
->Const
.MinPointSize
= 1.0;
287 ctx
->Const
.MinPointSizeAA
= 1.0;
288 ctx
->Const
.MaxPointSize
= R300_POINTSIZE_MAX
;
289 ctx
->Const
.MaxPointSizeAA
= R300_POINTSIZE_MAX
;
291 ctx
->Const
.MinLineWidth
= 1.0;
292 ctx
->Const
.MinLineWidthAA
= 1.0;
293 ctx
->Const
.MaxLineWidth
= R300_LINESIZE_MAX
;
294 ctx
->Const
.MaxLineWidthAA
= R300_LINESIZE_MAX
;
296 /* Initialize the software rasterizer and helper modules.
298 _swrast_CreateContext(ctx
);
299 _ac_CreateContext(ctx
);
300 _tnl_CreateContext(ctx
);
301 _swsetup_CreateContext(ctx
);
302 _ae_create_context(ctx
);
304 /* Install the customized pipeline:
306 _tnl_destroy_pipeline(ctx
);
307 _tnl_install_pipeline(ctx
, r300_pipeline
);
309 /* Try and keep materials and vertices separate:
311 _tnl_isolate_materials(ctx
, GL_TRUE
);
313 /* Configure swrast and TNL to match hardware characteristics:
315 _swrast_allow_pixel_fog(ctx
, GL_FALSE
);
316 _swrast_allow_vertex_fog(ctx
, GL_TRUE
);
317 _tnl_allow_pixel_fog(ctx
, GL_FALSE
);
318 _tnl_allow_vertex_fog(ctx
, GL_TRUE
);
321 //if(driQueryOptionb(&rmesa->optionCache, "arb_vertex_program"))
322 _mesa_enable_extension( ctx
, "GL_ARB_vertex_program");
323 //if(driQueryOptionb(&rmesa->optionCache, "nv_vertex_program"))
324 _mesa_enable_extension( ctx
, "GL_NV_vertex_program");
326 /* currently bogus data */
327 ctx
->Const
.MaxVertexProgramInstructions
=VSF_MAX_FRAGMENT_LENGTH
;
328 ctx
->Const
.MaxVertexProgramAttribs
=16; // r420
329 ctx
->Const
.MaxVertexProgramTemps
=VSF_MAX_FRAGMENT_TEMPS
;
330 ctx
->Const
.MaxVertexProgramLocalParams
=256; // r420
331 ctx
->Const
.MaxVertexProgramEnvParams
=256; // r420
332 ctx
->Const
.MaxVertexProgramAddressRegs
=1;
334 driInitExtensions(ctx
, card_extensions
, GL_TRUE
);
336 radeonInitSpanFuncs(ctx
);
337 r300InitCmdBuf(r300
);
341 /* plug in a few more device driver functions */
342 /* XXX these should really go right after _mesa_init_driver_functions() */
343 r300InitPixelFuncs(ctx
);
346 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= _tnl_run_pipeline
;
348 tcl_mode
= driQueryOptioni(&r300
->radeon
.optionCache
, "tcl_mode");
349 if (driQueryOptionb(&r300
->radeon
.optionCache
, "no_rast")) {
350 fprintf(stderr
, "disabling 3D acceleration\n");
352 FALLBACK(&r300
->radeon
, RADEON_FALLBACK_DISABLE
, 1);
355 if (tcl_mode
== DRI_CONF_TCL_SW
||
356 !(r300
->radeon
.radeonScreen
->chipset
& RADEON_CHIPSET_TCL
)) {
357 if (r300
->radeon
.radeonScreen
->chipset
& RADEON_CHIPSET_TCL
) {
358 r300
->radeon
.radeonScreen
->chipset
&= ~RADEON_CHIPSET_TCL
;
359 fprintf(stderr
, "Disabling HW TCL support\n");
361 TCL_FALLBACK(r300
->radeon
.glCtx
, RADEON_TCL_FALLBACK_TCL_DISABLE
, 1);
367 /* Destroy the device specific context.
369 void r300DestroyContext(__DRIcontextPrivate
* driContextPriv
)
371 GET_CURRENT_CONTEXT(ctx
);
372 r300ContextPtr r300
= (r300ContextPtr
) driContextPriv
->driverPrivate
;
373 radeonContextPtr current
= ctx
? RADEON_CONTEXT(ctx
) : NULL
;
375 fprintf(stderr
, "Destroying context !\n");
377 /* check if we're deleting the currently bound context */
378 if (&r300
->radeon
== current
) {
379 radeonFlush(r300
->radeon
.glCtx
);
380 _mesa_make_current(NULL
, NULL
, NULL
);
383 /* Free r300 context resources */
384 assert(r300
); /* should never be null */
387 GLboolean release_texture_heaps
;
389 release_texture_heaps
= (r300
->radeon
.glCtx
->Shared
->RefCount
== 1);
390 _swsetup_DestroyContext(r300
->radeon
.glCtx
);
391 _tnl_DestroyContext(r300
->radeon
.glCtx
);
392 _ac_DestroyContext(r300
->radeon
.glCtx
);
393 _swrast_DestroyContext(r300
->radeon
.glCtx
);
395 r300DestroyCmdBuf(r300
);
397 radeonCleanupContext(&r300
->radeon
);
399 /* free the option cache */
400 driDestroyOptionCache(&r300
->radeon
.optionCache
);