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 <keithw@vmware.com>
35 #include "main/glheader.h"
36 #include "main/mtypes.h"
37 #include "main/colormac.h"
38 #include "main/enums.h"
39 #include "main/image.h"
40 #include "main/imports.h"
41 #include "main/macros.h"
42 #include "util/simple_list.h"
44 #include "swrast/s_context.h"
45 #include "swrast/s_fog.h"
46 #include "swrast_setup/swrast_setup.h"
48 #include "tnl/t_context.h"
49 #include "tnl/t_pipeline.h"
51 #include "r200_context.h"
52 #include "r200_ioctl.h"
53 #include "r200_state.h"
54 #include "r200_swtcl.h"
58 /***********************************************************************
60 ***********************************************************************/
62 #define EMIT_ATTR( ATTR, STYLE, F0 ) \
64 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = (ATTR); \
65 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = (STYLE); \
66 rmesa->radeon.swtcl.vertex_attr_count++; \
70 #define EMIT_PAD( N ) \
72 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = 0; \
73 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = EMIT_PAD; \
74 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].offset = (N); \
75 rmesa->radeon.swtcl.vertex_attr_count++; \
78 static void r200SetVertexFormat( struct gl_context
*ctx
)
80 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
81 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
82 struct vertex_buffer
*VB
= &tnl
->vb
;
83 GLbitfield64 index_bitset
= tnl
->render_inputs_bitset
;
90 if ( VB
->NdcPtr
!= NULL
) {
91 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->NdcPtr
;
94 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->ClipPtr
;
97 assert( VB
->AttribPtr
[VERT_ATTRIB_POS
] != NULL
);
98 rmesa
->radeon
.swtcl
.vertex_attr_count
= 0;
100 /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
101 * build up a hardware vertex.
103 if ( !rmesa
->swtcl
.needproj
||
104 (index_bitset
& BITFIELD64_RANGE(_TNL_ATTRIB_TEX0
, _TNL_NUM_TEX
)) ) {
105 /* need w coord for projected textures */
106 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_4F
, R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
);
110 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_3F
, R200_VTX_XY
| R200_VTX_Z0
);
114 if (index_bitset
& BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE
)) {
115 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE
, EMIT_1F
, R200_VTX_POINT_SIZE
);
119 rmesa
->swtcl
.coloroffset
= offset
;
120 #if MESA_LITTLE_ENDIAN
121 EMIT_ATTR( _TNL_ATTRIB_COLOR0
, EMIT_4UB_4F_RGBA
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
) );
123 EMIT_ATTR( _TNL_ATTRIB_COLOR0
, EMIT_4UB_4F_ABGR
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
) );
127 rmesa
->swtcl
.specoffset
= 0;
129 (BITFIELD64_BIT(_TNL_ATTRIB_COLOR1
) | BITFIELD64_BIT(_TNL_ATTRIB_FOG
))) {
131 #if MESA_LITTLE_ENDIAN
132 if (index_bitset
& BITFIELD64_BIT(_TNL_ATTRIB_COLOR1
)) {
133 rmesa
->swtcl
.specoffset
= offset
;
134 EMIT_ATTR( _TNL_ATTRIB_COLOR1
, EMIT_3UB_3F_RGB
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
140 if (index_bitset
& BITFIELD64_BIT(_TNL_ATTRIB_FOG
)) {
141 EMIT_ATTR( _TNL_ATTRIB_FOG
, EMIT_1UB_1F
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
147 if (index_bitset
& BITFIELD64_BIT(_TNL_ATTRIB_FOG
)) {
148 EMIT_ATTR( _TNL_ATTRIB_FOG
, EMIT_1UB_1F
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
154 if (index_bitset
& BITFIELD64_BIT(_TNL_ATTRIB_COLOR1
)) {
155 rmesa
->swtcl
.specoffset
= offset
;
156 EMIT_ATTR( _TNL_ATTRIB_COLOR1
, EMIT_3UB_3F_BGR
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
164 if (index_bitset
& BITFIELD64_RANGE(_TNL_ATTRIB_TEX0
, _TNL_NUM_TEX
)) {
167 for (i
= 0; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
168 if (index_bitset
& BITFIELD64_BIT(_TNL_ATTRIB_TEX(i
))) {
169 GLuint sz
= VB
->AttribPtr
[_TNL_ATTRIB_TEX0
+ i
]->size
;
171 fmt_1
|= sz
<< (3 * i
);
172 EMIT_ATTR( _TNL_ATTRIB_TEX0
+i
, EMIT_1F
+ sz
- 1, 0 );
177 if ( (rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] & R200_FOG_USE_MASK
)
178 != R200_FOG_USE_SPEC_ALPHA
) {
179 R200_STATECHANGE( rmesa
, ctx
);
180 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] &= ~R200_FOG_USE_MASK
;
181 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] |= R200_FOG_USE_SPEC_ALPHA
;
184 if (rmesa
->radeon
.tnl_index_bitset
!= index_bitset
||
185 (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
) ||
186 (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
188 R200_STATECHANGE( rmesa
, vtx
);
189 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
190 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
192 rmesa
->radeon
.swtcl
.vertex_size
=
193 _tnl_install_attrs( ctx
,
194 rmesa
->radeon
.swtcl
.vertex_attrs
,
195 rmesa
->radeon
.swtcl
.vertex_attr_count
,
197 rmesa
->radeon
.swtcl
.vertex_size
/= 4;
198 rmesa
->radeon
.tnl_index_bitset
= index_bitset
;
202 static void r200_predict_emit_size( r200ContextPtr rmesa
)
204 if (RADEON_DEBUG
& RADEON_VERTS
)
205 fprintf(stderr
, "%s\n", __func__
);
206 const int vertex_array_size
= 7;
207 const int prim_size
= 3;
208 if (!rmesa
->radeon
.swtcl
.emit_prediction
) {
209 const int state_size
= radeonCountStateEmitSize(&rmesa
->radeon
);
210 if (rcommonEnsureCmdBufSpace(&rmesa
->radeon
,
212 vertex_array_size
+ prim_size
,
214 rmesa
->radeon
.swtcl
.emit_prediction
= radeonCountStateEmitSize(&rmesa
->radeon
);
216 rmesa
->radeon
.swtcl
.emit_prediction
= state_size
;
217 rmesa
->radeon
.swtcl
.emit_prediction
+= vertex_array_size
+ prim_size
218 + rmesa
->radeon
.cmdbuf
.cs
->cdw
;
223 static void r200RenderStart( struct gl_context
*ctx
)
225 r200SetVertexFormat( ctx
);
226 if (RADEON_DEBUG
& RADEON_VERTS
)
227 fprintf(stderr
, "%s\n", __func__
);
232 * Set vertex state for SW TCL. The primary purpose of this function is to
233 * determine in advance whether or not the hardware can / should do the
234 * projection divide or Mesa should do it.
236 void r200ChooseVertexState( struct gl_context
*ctx
)
238 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
239 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
242 GLboolean unfilled
= (ctx
->Polygon
.FrontMode
!= GL_FILL
||
243 ctx
->Polygon
.BackMode
!= GL_FILL
);
244 GLboolean twosided
= ctx
->Light
.Enabled
&& ctx
->Light
.Model
.TwoSide
;
246 /* We must ensure that we don't do _tnl_need_projected_coords while in a
247 * rasterization fallback. As this function will be called again when we
248 * leave a rasterization fallback, we can just skip it for now.
250 if (rmesa
->radeon
.Fallback
!= 0)
253 vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
254 vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
256 /* HW perspective divide is a win, but tiny vertex formats are a
259 if ((0 == (tnl
->render_inputs_bitset
& BITFIELD64_RANGE(_TNL_ATTRIB_TEX0
, _TNL_NUM_TEX
)))
262 rmesa
->swtcl
.needproj
= GL_TRUE
;
263 vte
|= R200_VTX_XY_FMT
| R200_VTX_Z_FMT
;
264 vte
&= ~R200_VTX_W0_FMT
;
265 if (tnl
->render_inputs_bitset
& BITFIELD64_RANGE(_TNL_ATTRIB_TEX0
, _TNL_NUM_TEX
)) {
266 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
269 vap
|= R200_VAP_FORCE_W_TO_ONE
;
273 rmesa
->swtcl
.needproj
= GL_FALSE
;
274 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
275 vte
|= R200_VTX_W0_FMT
;
276 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
279 _tnl_need_projected_coords( ctx
, rmesa
->swtcl
.needproj
);
281 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
282 R200_STATECHANGE( rmesa
, vte
);
283 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
286 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
287 R200_STATECHANGE( rmesa
, vap
);
288 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
292 void r200_swtcl_flush(struct gl_context
*ctx
, uint32_t current_offset
)
294 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
295 if (RADEON_DEBUG
& RADEON_VERTS
)
296 fprintf(stderr
, "%s\n", __func__
);
299 radeonEmitState(&rmesa
->radeon
);
300 r200EmitVertexAOS( rmesa
,
301 rmesa
->radeon
.swtcl
.vertex_size
,
302 rmesa
->radeon
.swtcl
.bo
,
306 r200EmitVbufPrim( rmesa
,
307 rmesa
->radeon
.swtcl
.hw_primitive
,
308 rmesa
->radeon
.swtcl
.numverts
);
309 if ( rmesa
->radeon
.swtcl
.emit_prediction
< rmesa
->radeon
.cmdbuf
.cs
->cdw
)
310 WARN_ONCE("Rendering was %d commands larger than predicted size."
311 " We might overflow command buffer.\n",
312 rmesa
->radeon
.cmdbuf
.cs
->cdw
- rmesa
->radeon
.swtcl
.emit_prediction
);
314 rmesa
->radeon
.swtcl
.emit_prediction
= 0;
318 /**************************************************************************/
321 static inline GLuint
reduced_hw_prim( struct gl_context
*ctx
, GLuint prim
)
325 return ((!ctx
->Point
.SmoothFlag
) ?
326 R200_VF_PRIM_POINT_SPRITES
: R200_VF_PRIM_POINTS
);
332 return R200_VF_PRIM_LINES
;
334 /* all others reduced to triangles */
335 return R200_VF_PRIM_TRIANGLES
;
340 static void r200RasterPrimitive( struct gl_context
*ctx
, GLuint hwprim
);
341 static void r200RenderPrimitive( struct gl_context
*ctx
, GLenum prim
);
342 static void r200ResetLineStipple( struct gl_context
*ctx
);
344 /***********************************************************************
345 * Emit primitives as inline vertices *
346 ***********************************************************************/
348 #define HAVE_POINTS 1
350 #define HAVE_LINE_STRIPS 1
351 #define HAVE_TRIANGLES 1
352 #define HAVE_TRI_STRIPS 1
353 #define HAVE_TRI_STRIP_1 0
354 #define HAVE_TRI_FANS 1
356 #define HAVE_QUAD_STRIPS 0
357 #define HAVE_POLYGONS 1
360 static void* r200_alloc_verts( r200ContextPtr rmesa
, GLuint n
, GLuint size
)
364 r200_predict_emit_size( rmesa
);
365 rv
= rcommonAllocDmaLowVerts( &rmesa
->radeon
, n
, size
* 4 );
372 #define CTX_ARG r200ContextPtr rmesa
373 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
374 #define ALLOC_VERTS( n, size ) r200_alloc_verts(rmesa, n, size)
376 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
377 const char *r200verts = (char *)rmesa->radeon.swtcl.verts;
378 #define VERT(x) (radeonVertex *)(r200verts + ((x) * vertsize * sizeof(int)))
379 #define VERTEX radeonVertex
380 #define DO_DEBUG_VERTS (1 && (R200_DEBUG & RADEON_VERTS))
383 #define TAG(x) r200_##x
384 #include "tnl_dd/t_dd_triemit.h"
387 /***********************************************************************
388 * Macros for t_dd_tritmp.h to draw basic primitives *
389 ***********************************************************************/
391 #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d )
392 #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c )
393 #define LINE( a, b ) r200_line( rmesa, a, b )
394 #define POINT( a ) r200_point( rmesa, a )
396 /***********************************************************************
397 * Build render functions from dd templates *
398 ***********************************************************************/
400 #define R200_TWOSIDE_BIT 0x01
401 #define R200_UNFILLED_BIT 0x02
402 #define R200_MAX_TRIFUNC 0x04
406 tnl_points_func points
;
408 tnl_triangle_func triangle
;
410 } rast_tab
[R200_MAX_TRIFUNC
];
413 #define DO_FALLBACK 0
414 #define DO_UNFILLED ((IND & R200_UNFILLED_BIT) != 0)
415 #define DO_TWOSIDE ((IND & R200_TWOSIDE_BIT) != 0)
422 #define DO_FULL_QUAD 1
425 #define HAVE_BACK_COLORS 0
426 #define HAVE_HW_FLATSHADE 1
429 #define DEPTH_SCALE 1.0
430 #define UNFILLED_TRI unfilled_tri
431 #define UNFILLED_QUAD unfilled_quad
432 #define VERT_X(_v) _v->v.x
433 #define VERT_Y(_v) _v->v.y
434 #define VERT_Z(_v) _v->v.z
435 #define AREA_IS_CCW( a ) (a < 0)
436 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
438 #define VERT_SET_RGBA( v, c ) \
440 radeon_color_t *color = (radeon_color_t *)&((v)->ui[coloroffset]); \
441 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
442 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
443 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
444 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
447 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
449 #define VERT_SET_SPEC( v, c ) \
452 radeon_color_t *spec = (radeon_color_t *)&((v)->ui[specoffset]); \
453 UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \
454 UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \
455 UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \
458 #define VERT_COPY_SPEC( v0, v1 ) \
461 radeon_color_t *spec0 = (radeon_color_t *)&((v0)->ui[specoffset]); \
462 radeon_color_t *spec1 = (radeon_color_t *)&((v1)->ui[specoffset]); \
463 spec0->red = spec1->red; \
464 spec0->green = spec1->green; \
465 spec0->blue = spec1->blue; \
469 /* These don't need LE32_TO_CPU() as they used to save and restore
470 * colors which are already in the correct format.
472 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
473 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
474 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
475 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
481 #define LOCAL_VARS(n) \
482 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
483 GLuint color[n] = {0}, spec[n] = {0}; \
484 GLuint coloroffset = rmesa->swtcl.coloroffset; \
485 GLuint specoffset = rmesa->swtcl.specoffset; \
486 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
488 /***********************************************************************
489 * Helpers for rendering unfilled primitives *
490 ***********************************************************************/
492 #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) )
493 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
496 #include "tnl_dd/t_dd_unfilled.h"
500 /***********************************************************************
501 * Generate GL render functions *
502 ***********************************************************************/
507 #include "tnl_dd/t_dd_tritmp.h"
509 #define IND (R200_TWOSIDE_BIT)
510 #define TAG(x) x##_twoside
511 #include "tnl_dd/t_dd_tritmp.h"
513 #define IND (R200_UNFILLED_BIT)
514 #define TAG(x) x##_unfilled
515 #include "tnl_dd/t_dd_tritmp.h"
517 #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT)
518 #define TAG(x) x##_twoside_unfilled
519 #include "tnl_dd/t_dd_tritmp.h"
522 static void init_rast_tab( void )
527 init_twoside_unfilled();
530 /**********************************************************************/
531 /* Render unclipped begin/end objects */
532 /**********************************************************************/
534 #define RENDER_POINTS( start, count ) \
535 for ( ; start < count ; start++) \
536 r200_point( rmesa, VERT(start) )
537 #define RENDER_LINE( v0, v1 ) \
538 r200_line( rmesa, VERT(v0), VERT(v1) )
539 #define RENDER_TRI( v0, v1, v2 ) \
540 r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
541 #define RENDER_QUAD( v0, v1, v2, v3 ) \
542 r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
543 #define INIT(x) do { \
544 r200RenderPrimitive( ctx, x ); \
548 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
549 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
550 const char *r200verts = (char *)rmesa->radeon.swtcl.verts; \
551 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
552 const GLboolean stipple = ctx->Line.StippleFlag; \
553 (void) elt; (void) stipple;
554 #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx );
555 #define RESET_OCCLUSION
556 #define PRESERVE_VB_DEFS
558 #define TAG(x) r200_##x##_verts
559 #include "tnl/t_vb_rendertmp.h"
562 #define TAG(x) r200_##x##_elts
563 #define ELT(x) elt[x]
564 #include "tnl/t_vb_rendertmp.h"
568 /**********************************************************************/
569 /* Choose render functions */
570 /**********************************************************************/
572 void r200ChooseRenderState( struct gl_context
*ctx
)
574 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
575 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
577 GLboolean unfilled
= (ctx
->Polygon
.FrontMode
!= GL_FILL
||
578 ctx
->Polygon
.BackMode
!= GL_FILL
);
579 GLboolean twosided
= ctx
->Light
.Enabled
&& ctx
->Light
.Model
.TwoSide
;
581 if (!rmesa
->radeon
.TclFallback
|| rmesa
->radeon
.Fallback
)
585 index
|= R200_TWOSIDE_BIT
;
587 index
|= R200_UNFILLED_BIT
;
589 if (index
!= rmesa
->radeon
.swtcl
.RenderIndex
) {
590 tnl
->Driver
.Render
.Points
= rast_tab
[index
].points
;
591 tnl
->Driver
.Render
.Line
= rast_tab
[index
].line
;
592 tnl
->Driver
.Render
.ClippedLine
= rast_tab
[index
].line
;
593 tnl
->Driver
.Render
.Triangle
= rast_tab
[index
].triangle
;
594 tnl
->Driver
.Render
.Quad
= rast_tab
[index
].quad
;
597 tnl
->Driver
.Render
.PrimTabVerts
= r200_render_tab_verts
;
598 tnl
->Driver
.Render
.PrimTabElts
= r200_render_tab_elts
;
599 tnl
->Driver
.Render
.ClippedPolygon
= r200_fast_clipped_poly
;
601 tnl
->Driver
.Render
.PrimTabVerts
= _tnl_render_tab_verts
;
602 tnl
->Driver
.Render
.PrimTabElts
= _tnl_render_tab_elts
;
603 tnl
->Driver
.Render
.ClippedPolygon
= _tnl_RenderClippedPolygon
;
606 rmesa
->radeon
.swtcl
.RenderIndex
= index
;
611 /**********************************************************************/
612 /* High level hooks for t_vb_render.c */
613 /**********************************************************************/
616 static void r200RasterPrimitive( struct gl_context
*ctx
, GLuint hwprim
)
618 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
620 radeon_prepare_render(&rmesa
->radeon
);
621 if (rmesa
->radeon
.NewGLState
)
622 r200ValidateState( ctx
);
625 if (rmesa
->radeon
.swtcl
.hw_primitive
!= hwprim
) {
626 /* need to disable perspective-correct texturing for point sprites */
627 if ((hwprim
& 0xf) == R200_VF_PRIM_POINT_SPRITES
&& ctx
->Point
.PointSprite
) {
628 if (rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] & R200_PERSPECTIVE_ENABLE
) {
629 R200_STATECHANGE( rmesa
, set
);
630 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_PERSPECTIVE_ENABLE
;
633 else if (!(rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] & R200_PERSPECTIVE_ENABLE
)) {
634 R200_STATECHANGE( rmesa
, set
);
635 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_PERSPECTIVE_ENABLE
;
637 R200_NEWPRIM( rmesa
);
638 rmesa
->radeon
.swtcl
.hw_primitive
= hwprim
;
642 static void r200RenderPrimitive( struct gl_context
*ctx
, GLenum prim
)
644 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
645 GLboolean unfilled
= (ctx
->Polygon
.FrontMode
!= GL_FILL
||
646 ctx
->Polygon
.BackMode
!= GL_FILL
);
648 rmesa
->radeon
.swtcl
.render_primitive
= prim
;
649 if (prim
< GL_TRIANGLES
|| !unfilled
)
650 r200RasterPrimitive( ctx
, reduced_hw_prim(ctx
, prim
) );
653 static void r200RenderFinish( struct gl_context
*ctx
)
657 static void r200ResetLineStipple( struct gl_context
*ctx
)
659 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
660 R200_STATECHANGE( rmesa
, lin
);
664 /**********************************************************************/
665 /* Transition to/from hardware rasterization. */
666 /**********************************************************************/
668 static const char * const fallbackStrings
[] = {
670 "glDrawBuffer(GL_FRONT_AND_BACK)",
671 "glEnable(GL_STENCIL) without hw stencil buffer",
672 "glRenderMode(selection or feedback)",
674 "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)"
678 static const char *getFallbackString(GLuint bit
)
685 return fallbackStrings
[i
];
689 void r200Fallback( struct gl_context
*ctx
, GLuint bit
, GLboolean mode
)
691 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
692 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
693 GLuint oldfallback
= rmesa
->radeon
.Fallback
;
696 rmesa
->radeon
.Fallback
|= bit
;
697 if (oldfallback
== 0) {
698 radeon_firevertices(&rmesa
->radeon
);
699 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_TRUE
);
700 _swsetup_Wakeup( ctx
);
701 rmesa
->radeon
.swtcl
.RenderIndex
= ~0;
702 if (R200_DEBUG
& RADEON_FALLBACKS
) {
703 fprintf(stderr
, "R200 begin rasterization fallback: 0x%x %s\n",
704 bit
, getFallbackString(bit
));
709 rmesa
->radeon
.Fallback
&= ~bit
;
710 if (oldfallback
== bit
) {
712 _swrast_flush( ctx
);
713 tnl
->Driver
.Render
.Start
= r200RenderStart
;
714 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
715 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
717 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
718 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
719 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
721 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
722 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_FALSE
);
723 if (rmesa
->radeon
.TclFallback
) {
724 /* These are already done if rmesa->radeon.TclFallback goes to
725 * zero above. But not if it doesn't (R200_NO_TCL for
728 _tnl_invalidate_vertex_state( ctx
, ~0 );
729 _tnl_invalidate_vertices( ctx
, ~0 );
730 rmesa
->radeon
.tnl_index_bitset
= 0;
731 r200ChooseVertexState( ctx
);
732 r200ChooseRenderState( ctx
);
734 if (R200_DEBUG
& RADEON_FALLBACKS
) {
735 fprintf(stderr
, "R200 end rasterization fallback: 0x%x %s\n",
736 bit
, getFallbackString(bit
));
746 * Cope with depth operations by drawing individual pixels as points.
749 * The way the vertex state is set in this routine is hokey. It seems to
750 * work, but it's very hackish. This whole routine is pretty hackish. If
751 * the bitmap is small enough, it seems like it would be faster to copy it
752 * to AGP memory and use it as a non-power-of-two texture (i.e.,
753 * NV_texture_rectangle).
756 r200PointsBitmap( struct gl_context
*ctx
, GLint px
, GLint py
,
757 GLsizei width
, GLsizei height
,
758 const struct gl_pixelstore_attrib
*unpack
,
759 const GLubyte
*bitmap
)
761 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
762 const GLfloat
*rc
= ctx
->Current
.RasterColor
;
771 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 1 );
773 /* Choose tiny vertex format
776 const GLuint fmt_0
= R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
777 | (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
);
778 const GLuint fmt_1
= 0;
779 GLuint vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
780 GLuint vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
782 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
783 vte
|= R200_VTX_W0_FMT
;
784 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
786 rmesa
->radeon
.swtcl
.vertex_size
= 5;
788 if ( (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
)
789 || (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
791 R200_STATECHANGE( rmesa
, vtx
);
792 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
793 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
796 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
797 R200_STATECHANGE( rmesa
, vte
);
798 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
801 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
802 R200_STATECHANGE( rmesa
, vap
);
803 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
807 /* Ready for point primitives:
809 r200RenderPrimitive( ctx
, GL_POINTS
);
811 /* Turn off the hw viewport transformation:
813 R200_STATECHANGE( rmesa
, vte
);
814 orig_vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
815 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~(R200_VPORT_X_SCALE_ENA
|
816 R200_VPORT_Y_SCALE_ENA
|
817 R200_VPORT_Z_SCALE_ENA
|
818 R200_VPORT_X_OFFSET_ENA
|
819 R200_VPORT_Y_OFFSET_ENA
|
820 R200_VPORT_Z_OFFSET_ENA
);
822 /* Turn off other stuff: Stipple?, texture?, blending?, etc.
826 /* Populate the vertex
828 * Incorporate FOG into RGBA
830 if (ctx
->Fog
.Enabled
) {
831 const GLfloat
*fc
= ctx
->Fog
.Color
;
835 if (ctx
->Fog
.FogCoordinateSource
== GL_FOG_COORDINATE_EXT
)
836 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.Attrib
[VERT_ATTRIB_FOG
][0]);
838 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.RasterDistance
);
840 color
[0] = f
* rc
[0] + (1.F
- f
) * fc
[0];
841 color
[1] = f
* rc
[1] + (1.F
- f
) * fc
[1];
842 color
[2] = f
* rc
[2] + (1.F
- f
) * fc
[2];
845 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, color
[0]);
846 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, color
[1]);
847 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, color
[2]);
848 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, color
[3]);
851 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, rc
[0]);
852 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, rc
[1]);
853 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, rc
[2]);
854 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, rc
[3]);
858 vert
.tv
.z
= ctx
->Current
.RasterPos
[2];
861 /* Update window height
863 h
= radeon_get_drawable(&rmesa
->radeon
)->h
;
865 /* Clipping handled by existing mechansims in r200_ioctl.c?
867 for (row
=0; row
<height
; row
++) {
868 const GLubyte
*src
= (const GLubyte
*)
869 _mesa_image_address2d(unpack
, bitmap
, width
, height
,
870 GL_COLOR_INDEX
, GL_BITMAP
, row
, 0 );
872 if (unpack
->LsbFirst
) {
874 GLubyte mask
= 1U << (unpack
->SkipPixels
& 0x7);
875 for (col
=0; col
<width
; col
++) {
878 vert
.tv
.y
= h
- (py
+row
) - 1;
879 r200_point( rmesa
, &vert
);
882 mask
= ((mask
<< 1) & 0xff) | (mask
>> 7);
885 /* get ready for next row */
891 GLubyte mask
= 128U >> (unpack
->SkipPixels
& 0x7);
892 for (col
=0; col
<width
; col
++) {
895 vert
.tv
.y
= h
- (py
+row
) - 1;
896 r200_point( rmesa
, &vert
);
899 mask
= ((mask
<< 7) & 0xff) | (mask
>> 1);
901 /* get ready for next row */
907 /* Fire outstanding vertices, restore state
909 R200_STATECHANGE( rmesa
, vte
);
910 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = orig_vte
;
914 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 0 );
916 /* Need to restore vertexformat?
918 if (rmesa
->radeon
.TclFallback
)
919 r200ChooseVertexState( ctx
);
924 /**********************************************************************/
925 /* Initialization. */
926 /**********************************************************************/
928 void r200InitSwtcl( struct gl_context
*ctx
)
930 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
931 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
932 static int firsttime
= 1;
938 rmesa
->radeon
.swtcl
.emit_prediction
= 0;
940 tnl
->Driver
.Render
.Start
= r200RenderStart
;
941 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
942 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
943 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
944 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
945 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
946 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
948 /* FIXME: what are these numbers? */
949 _tnl_init_vertices( ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
950 36 * sizeof(GLfloat
) );
952 rmesa
->radeon
.swtcl
.verts
= (GLubyte
*)tnl
->clipspace
.vertex_buf
;
953 rmesa
->radeon
.swtcl
.RenderIndex
= ~0;
954 rmesa
->radeon
.swtcl
.render_primitive
= GL_TRIANGLES
;
955 rmesa
->radeon
.swtcl
.hw_primitive
= 0;