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)
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 (ctx
->Texture
.Unit
[unit
].TexGenEnabled
) {
355 if (rmesa
->TexGenNeedNormals
[unit
]) {
356 inputs
|= VERT_BIT_NORMAL
;
359 inputs
|= VERT_BIT_TEX(unit
);
364 stage
->inputs
= inputs
;
371 static void r200_init_tcl_render( GLcontext
*ctx
,
372 struct tnl_pipeline_stage
*stage
)
374 stage
->check
= r200_check_tcl_render
;
375 stage
->check( ctx
, stage
);
378 static void dtr( struct tnl_pipeline_stage
*stage
)
384 /* Initial state for tcl stage.
386 const struct tnl_pipeline_stage _r200_tcl_stage
=
389 (_DD_NEW_SEPARATE_SPECULAR
|
393 _NEW_RENDERMODE
), /* re-check (new inputs) */
394 0, /* re-run (always runs) */
395 GL_TRUE
, /* active */
396 0, 0, /* inputs (set in check_render), outputs */
397 0, 0, /* changed_inputs, private */
398 dtr
, /* destructor */
399 r200_init_tcl_render
, /* check - initially set to alloc data */
400 r200_run_tcl_render
/* run */
405 /**********************************************************************/
406 /* Validate state at pipeline start */
407 /**********************************************************************/
410 /*-----------------------------------------------------------------------
411 * Manage TCL fallbacks
415 static void transition_to_swtnl( GLcontext
*ctx
)
417 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
418 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
420 R200_NEWPRIM( rmesa
);
422 r200ChooseVertexState( ctx
);
423 r200ChooseRenderState( ctx
);
425 _mesa_validate_all_lighting_tables( ctx
);
427 tnl
->Driver
.NotifyMaterialChange
=
428 _mesa_validate_all_lighting_tables
;
430 r200ReleaseArrays( ctx
, ~0 );
432 /* Still using the D3D based hardware-rasterizer from the radeon;
433 * need to put the card into D3D mode to make it work:
435 R200_STATECHANGE( rmesa
, vap
);
436 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] &= ~R200_VAP_TCL_ENABLE
;
437 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] |= R200_VAP_D3D_TEX_DEFAULT
;
439 R200_STATECHANGE( rmesa
, vte
);
440 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~R200_VTX_W0_FMT
;
442 R200_STATECHANGE( rmesa
, set
);
443 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= (R200_VTX_STQ0_D3D
|
451 static void transition_to_hwtnl( GLcontext
*ctx
)
453 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
454 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
456 _tnl_need_projected_coords( ctx
, GL_FALSE
);
458 r200UpdateMaterial( ctx
);
460 tnl
->Driver
.NotifyMaterialChange
= r200UpdateMaterial
;
462 if ( rmesa
->dma
.flush
)
463 rmesa
->dma
.flush( rmesa
);
465 rmesa
->dma
.flush
= 0;
467 if (rmesa
->swtcl
.indexed_verts
.buf
)
468 r200ReleaseDmaRegion( rmesa
, &rmesa
->swtcl
.indexed_verts
,
471 R200_STATECHANGE( rmesa
, vap
);
472 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] |= R200_VAP_TCL_ENABLE
;
473 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] &= ~(R200_VAP_FORCE_W_TO_ONE
|
474 R200_VAP_D3D_TEX_DEFAULT
);
476 R200_STATECHANGE( rmesa
, vte
);
477 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~(R200_VTX_XY_FMT
|R200_VTX_Z_FMT
);
478 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] |= R200_VTX_W0_FMT
;
480 R200_STATECHANGE( rmesa
, set
);
481 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~(R200_VTX_STQ0_D3D
|
489 if (R200_DEBUG
& DEBUG_FALLBACKS
)
490 fprintf(stderr
, "R200 end tcl fallback\n");
494 static char *fallbackStrings
[] = {
495 "Rasterization fallback",
496 "Unfilled triangles",
497 "Twosided lighting, differing materials",
498 "Materials in VB (maybe between begin/end)",
510 static char *getFallbackString(GLuint bit
)
517 return fallbackStrings
[i
];
522 void r200TclFallback( GLcontext
*ctx
, GLuint bit
, GLboolean mode
)
524 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
525 GLuint oldfallback
= rmesa
->TclFallback
;
528 rmesa
->TclFallback
|= bit
;
529 if (oldfallback
== 0) {
530 if (R200_DEBUG
& DEBUG_FALLBACKS
)
531 fprintf(stderr
, "R200 begin tcl fallback %s\n",
532 getFallbackString( bit
));
533 transition_to_swtnl( ctx
);
537 rmesa
->TclFallback
&= ~bit
;
538 if (oldfallback
== bit
) {
539 if (R200_DEBUG
& DEBUG_FALLBACKS
)
540 fprintf(stderr
, "R200 end tcl fallback %s\n",
541 getFallbackString( bit
));
542 transition_to_hwtnl( ctx
);