1 /* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_tcl.c,v 1.2 2002/12/16 16:18:55 dawes Exp $ */
3 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
5 The Weather Channel (TM) funded Tungsten Graphics to develop the
6 initial release of the Radeon 8500 driver under the XFree86 license.
7 This notice must be preserved.
9 Permission is hereby granted, free of charge, to any person obtaining
10 a copy of this software and associated documentation files (the
11 "Software"), to deal in the Software without restriction, including
12 without limitation the rights to use, copy, modify, merge, publish,
13 distribute, sublicense, and/or sell copies of the Software, and to
14 permit persons to whom the Software is furnished to do so, subject to
15 the following conditions:
17 The above copyright notice and this permission notice (including the
18 next paragraph) shall be included in all copies or substantial
19 portions of the Software.
21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
25 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 **************************************************************************/
33 * Keith Whitwell <keith@tungstengraphics.com>
43 #include "array_cache/acache.h"
45 #include "tnl/t_pipeline.h"
47 #include "r200_context.h"
48 #include "r200_state.h"
49 #include "r200_ioctl.h"
52 #include "r200_swtcl.h"
53 #include "r200_maos.h"
59 #define HAVE_LINE_LOOP 0
60 #define HAVE_LINE_STRIPS 1
61 #define HAVE_TRIANGLES 1
62 #define HAVE_TRI_STRIPS 1
63 #define HAVE_TRI_STRIP_1 0
64 #define HAVE_TRI_FANS 1
65 #define HAVE_QUADS 0 /* hw quad verts in wrong order??? */
66 #define HAVE_QUAD_STRIPS 1
67 #define HAVE_POLYGONS 1
71 #define HW_POINTS R200_VF_PRIM_POINTS
72 #define HW_LINES R200_VF_PRIM_LINES
73 #define HW_LINE_LOOP 0
74 #define HW_LINE_STRIP R200_VF_PRIM_LINE_STRIP
75 #define HW_TRIANGLES R200_VF_PRIM_TRIANGLES
76 #define HW_TRIANGLE_STRIP_0 R200_VF_PRIM_TRIANGLE_STRIP
77 #define HW_TRIANGLE_STRIP_1 0
78 #define HW_TRIANGLE_FAN R200_VF_PRIM_TRIANGLE_FAN
79 #define HW_QUADS R200_VF_PRIM_QUADS
80 #define HW_QUAD_STRIP R200_VF_PRIM_QUAD_STRIP
81 #define HW_POLYGON R200_VF_PRIM_POLYGON
84 static GLboolean discrete_prim
[0x10] = {
92 0, /* 7 tri_w_flags */
93 1, /* 8 rect list (unused) */
94 1, /* 9 3vert point */
96 0, /* b point sprite */
104 #define LOCAL_VARS r200ContextPtr rmesa = R200_CONTEXT(ctx); (void)rmesa
105 #define ELT_TYPE GLushort
107 #define ELT_INIT(prim, hw_prim) \
108 r200TclPrimitive( ctx, prim, hw_prim | R200_VF_PRIM_WALK_IND )
110 #define GET_MESA_ELTS() rmesa->tcl.Elts
113 /* Don't really know how many elts will fit in what's left of cmdbuf,
114 * as there is state to emit, etc:
117 /* Testing on isosurf shows a maximum around here. Don't know if it's
118 * the card or driver or kernel module that is causing the behaviour.
120 #define GET_MAX_HW_ELTS() 300
122 #define RESET_STIPPLE() do { \
123 R200_STATECHANGE( rmesa, lin ); \
124 r200EmitState( rmesa ); \
127 #define AUTO_STIPPLE( mode ) do { \
128 R200_STATECHANGE( rmesa, lin ); \
130 rmesa->hw.lin.cmd[LIN_RE_LINE_PATTERN] |= \
131 R200_LINE_PATTERN_AUTO_RESET; \
133 rmesa->hw.lin.cmd[LIN_RE_LINE_PATTERN] &= \
134 ~R200_LINE_PATTERN_AUTO_RESET; \
135 r200EmitState( rmesa ); \
139 #define ALLOC_ELTS(nr) r200AllocElts( rmesa, nr )
141 static GLushort
*r200AllocElts( r200ContextPtr rmesa
, GLuint nr
)
143 if (rmesa
->dma
.flush
== r200FlushElts
&&
144 rmesa
->store
.cmd_used
+ nr
*2 < R200_CMD_BUF_SZ
) {
146 GLushort
*dest
= (GLushort
*)(rmesa
->store
.cmd_buf
+
147 rmesa
->store
.cmd_used
);
149 rmesa
->store
.cmd_used
+= nr
*2;
154 if (rmesa
->dma
.flush
)
155 rmesa
->dma
.flush( rmesa
);
157 r200EnsureCmdBufSpace( rmesa
, AOS_BUFSZ(rmesa
->tcl
.nr_aos_components
) +
158 rmesa
->hw
.max_state_size
+ ELTS_BUFSZ(nr
) );
161 rmesa
->tcl
.aos_components
,
162 rmesa
->tcl
.nr_aos_components
, 0 );
164 return r200AllocEltsOpenEnded( rmesa
, rmesa
->tcl
.hw_primitive
, nr
);
169 #define CLOSE_ELTS() \
171 if (0) R200_NEWPRIM( rmesa ); \
176 /* TODO: Try to extend existing primitive if both are identical,
177 * discrete and there are no intervening state changes. (Somewhat
178 * duplicates changes to DrawArrays code)
180 static void EMIT_PRIM( GLcontext
*ctx
,
186 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
187 r200TclPrimitive( ctx
, prim
, hwprim
);
189 r200EnsureCmdBufSpace( rmesa
, AOS_BUFSZ(rmesa
->tcl
.nr_aos_components
) +
190 rmesa
->hw
.max_state_size
+ VBUF_BUFSZ
);
193 rmesa
->tcl
.aos_components
,
194 rmesa
->tcl
.nr_aos_components
,
197 /* Why couldn't this packet have taken an offset param?
199 r200EmitVbufPrim( rmesa
,
200 rmesa
->tcl
.hw_primitive
,
206 /* Try & join small primitives
209 #define PREFER_DISCRETE_ELT_PRIM( NR, PRIM ) 0
211 #define PREFER_DISCRETE_ELT_PRIM( NR, PRIM ) \
214 rmesa->tcl.hw_primitive == (PRIM| \
215 R200_VF_TCL_OUTPUT_VTX_ENABLE| \
216 R200_VF_PRIM_WALK_IND)))
219 #ifdef MESA_BIG_ENDIAN
220 /* We could do without (most of) this ugliness if dest was always 32 bit word aligned... */
221 #define EMIT_ELT(dest, offset, x) do { \
222 int off = offset + ( ( (GLuint)dest & 0x2 ) >> 1 ); \
223 GLushort *des = (GLushort *)( (GLuint)dest & ~0x2 ); \
224 (des)[ off + 1 - 2 * ( off & 1 ) ] = (GLushort)(x); } while (0)
226 #define EMIT_ELT(dest, offset, x) (dest)[offset] = (GLushort) (x)
229 #define EMIT_TWO_ELTS(dest, offset, x, y) *(GLuint *)((dest)+offset) = ((y)<<16)|(x);
233 #define TAG(x) tcl_##x
234 #include "tnl_dd/t_dd_dmatmp2.h"
236 /**********************************************************************/
237 /* External entrypoints */
238 /**********************************************************************/
240 void r200EmitPrimitive( GLcontext
*ctx
,
245 tcl_render_tab_verts
[flags
&PRIM_MODE_MASK
]( ctx
, first
, last
, flags
);
248 void r200EmitEltPrimitive( GLcontext
*ctx
,
253 tcl_render_tab_elts
[flags
&PRIM_MODE_MASK
]( ctx
, first
, last
, flags
);
256 void r200TclPrimitive( GLcontext
*ctx
,
260 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
261 GLuint newprim
= hw_prim
| R200_VF_TCL_OUTPUT_VTX_ENABLE
;
263 if (newprim
!= rmesa
->tcl
.hw_primitive
||
264 !discrete_prim
[hw_prim
&0xf]) {
265 R200_NEWPRIM( rmesa
);
266 rmesa
->tcl
.hw_primitive
= newprim
;
271 /**********************************************************************/
272 /* Render pipeline stage */
273 /**********************************************************************/
278 static GLboolean
r200_run_tcl_render( GLcontext
*ctx
,
279 struct tnl_pipeline_stage
*stage
)
281 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
282 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
283 struct vertex_buffer
*VB
= &tnl
->vb
;
286 /* TODO: separate this from the swtnl pipeline
288 if (rmesa
->TclFallback
)
289 return GL_TRUE
; /* fallback to software t&l */
291 if (R200_DEBUG
& DEBUG_PRIMS
)
292 fprintf(stderr
, "%s\n", __FUNCTION__
);
297 r200ReleaseArrays( ctx
, ~0 /* stage->changed_inputs */ );
298 r200EmitArrays( ctx
, stage
->inputs
);
300 rmesa
->tcl
.Elts
= VB
->Elts
;
302 for (i
= 0 ; i
< VB
->PrimitiveCount
; i
++)
304 GLuint prim
= VB
->Primitive
[i
].mode
;
305 GLuint start
= VB
->Primitive
[i
].start
;
306 GLuint length
= VB
->Primitive
[i
].count
;
312 r200EmitEltPrimitive( ctx
, start
, start
+length
, prim
);
314 r200EmitPrimitive( ctx
, start
, start
+length
, prim
);
317 return GL_FALSE
; /* finished the pipe */
322 static void r200_check_tcl_render( GLcontext
*ctx
,
323 struct tnl_pipeline_stage
*stage
)
325 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
326 GLuint inputs
= VERT_BIT_POS
;
331 if (rmesa
->NewGLState
)
332 r200ValidateState( ctx
);
334 if (ctx
->RenderMode
== GL_RENDER
) {
335 /* Make all this event-driven:
337 if (ctx
->Light
.Enabled
) {
338 inputs
|= VERT_BIT_NORMAL
;
340 if (1 || ctx
->Light
.ColorMaterialEnabled
) {
341 inputs
|= VERT_BIT_COLOR0
;
345 inputs
|= VERT_BIT_COLOR0
;
347 if (ctx
->_TriangleCaps
& DD_SEPARATE_SPECULAR
) {
348 inputs
|= VERT_BIT_COLOR1
;
352 for (unit
= 0 ; unit
< ctx
->Const
.MaxTextureUnits
; unit
++) {
353 if (ctx
->Texture
.Unit
[unit
]._ReallyEnabled
) {
354 if (rmesa
->TexGenNeedNormals
[unit
]) {
355 inputs
|= VERT_BIT_NORMAL
;
357 inputs
|= VERT_BIT_TEX(unit
);
361 stage
->inputs
= inputs
;
368 static void r200_init_tcl_render( GLcontext
*ctx
,
369 struct tnl_pipeline_stage
*stage
)
371 stage
->check
= r200_check_tcl_render
;
372 stage
->check( ctx
, stage
);
375 static void dtr( struct tnl_pipeline_stage
*stage
)
381 /* Initial state for tcl stage.
383 const struct tnl_pipeline_stage _r200_tcl_stage
=
386 (_DD_NEW_SEPARATE_SPECULAR
|
390 _NEW_RENDERMODE
), /* re-check (new inputs) */
391 0, /* re-run (always runs) */
392 GL_TRUE
, /* active */
393 0, 0, /* inputs (set in check_render), outputs */
394 0, 0, /* changed_inputs, private */
395 dtr
, /* destructor */
396 r200_init_tcl_render
, /* check - initially set to alloc data */
397 r200_run_tcl_render
/* run */
402 /**********************************************************************/
403 /* Validate state at pipeline start */
404 /**********************************************************************/
407 /*-----------------------------------------------------------------------
408 * Manage TCL fallbacks
412 static void transition_to_swtnl( GLcontext
*ctx
)
414 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
415 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
417 R200_NEWPRIM( rmesa
);
419 r200ChooseVertexState( ctx
);
420 r200ChooseRenderState( ctx
);
422 _mesa_validate_all_lighting_tables( ctx
);
424 tnl
->Driver
.NotifyMaterialChange
=
425 _mesa_validate_all_lighting_tables
;
427 r200ReleaseArrays( ctx
, ~0 );
429 /* Still using the D3D based hardware-rasterizer from the radeon;
430 * need to put the card into D3D mode to make it work:
432 R200_STATECHANGE( rmesa
, vap
);
433 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] &= ~R200_VAP_TCL_ENABLE
;
436 static void transition_to_hwtnl( GLcontext
*ctx
)
438 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
439 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
441 _tnl_need_projected_coords( ctx
, GL_FALSE
);
443 r200UpdateMaterial( ctx
);
445 tnl
->Driver
.NotifyMaterialChange
= r200UpdateMaterial
;
447 if ( rmesa
->dma
.flush
)
448 rmesa
->dma
.flush( rmesa
);
450 rmesa
->dma
.flush
= 0;
452 if (rmesa
->swtcl
.indexed_verts
.buf
)
453 r200ReleaseDmaRegion( rmesa
, &rmesa
->swtcl
.indexed_verts
,
456 R200_STATECHANGE( rmesa
, vap
);
457 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] |= R200_VAP_TCL_ENABLE
;
458 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] &= ~R200_VAP_FORCE_W_TO_ONE
;
460 R200_STATECHANGE( rmesa
, vte
);
461 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~(R200_VTX_XY_FMT
|R200_VTX_Z_FMT
);
463 if (R200_DEBUG
& DEBUG_FALLBACKS
)
464 fprintf(stderr
, "R200 end tcl fallback\n");
468 static char *fallbackStrings
[] = {
469 "Rasterization fallback",
470 "Unfilled triangles",
471 "Twosided lighting, differing materials",
472 "Materials in VB (maybe between begin/end)",
484 static char *getFallbackString(GLuint bit
)
491 return fallbackStrings
[i
];
496 void r200TclFallback( GLcontext
*ctx
, GLuint bit
, GLboolean mode
)
498 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
499 GLuint oldfallback
= rmesa
->TclFallback
;
502 rmesa
->TclFallback
|= bit
;
503 if (oldfallback
== 0) {
504 if (R200_DEBUG
& DEBUG_FALLBACKS
)
505 fprintf(stderr
, "R200 begin tcl fallback %s\n",
506 getFallbackString( bit
));
507 transition_to_swtnl( ctx
);
511 rmesa
->TclFallback
&= ~bit
;
512 if (oldfallback
== bit
) {
513 if (R200_DEBUG
& DEBUG_FALLBACKS
)
514 fprintf(stderr
, "R200 end tcl fallback %s\n",
515 getFallbackString( bit
));
516 transition_to_hwtnl( ctx
);