1 /* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_swtcl.c,v 1.5 2003/05/06 23:52:08 daenzer 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>
44 #include "swrast/s_context.h"
45 #include "swrast/s_fog.h"
46 #include "swrast_setup/swrast_setup.h"
47 #include "math/m_translate.h"
49 #include "tnl/t_context.h"
50 #include "tnl/t_pipeline.h"
51 #include "tnl/t_vtx_api.h"
53 #include "r200_context.h"
54 #include "r200_ioctl.h"
55 #include "r200_state.h"
56 #include "r200_swtcl.h"
60 static void flush_last_swtcl_prim( r200ContextPtr rmesa
);
63 /***********************************************************************
65 ***********************************************************************/
67 #define EMIT_ATTR( ATTR, STYLE, F0 ) \
69 rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = (ATTR); \
70 rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = (STYLE); \
71 rmesa->swtcl.vertex_attr_count++; \
75 #define EMIT_PAD( N ) \
77 rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = 0; \
78 rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = EMIT_PAD; \
79 rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].offset = (N); \
80 rmesa->swtcl.vertex_attr_count++; \
83 static void r200SetVertexFormat( GLcontext
*ctx
)
85 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
86 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
87 struct vertex_buffer
*VB
= &tnl
->vb
;
88 DECLARE_RENDERINPUTS(index_bitset
);
93 RENDERINPUTS_COPY( index_bitset
, tnl
->render_inputs_bitset
);
97 if ( VB
->NdcPtr
!= NULL
) {
98 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->NdcPtr
;
101 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->ClipPtr
;
104 assert( VB
->AttribPtr
[VERT_ATTRIB_POS
] != NULL
);
105 rmesa
->swtcl
.vertex_attr_count
= 0;
107 /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
108 * build up a hardware vertex.
110 if ( !rmesa
->swtcl
.needproj
||
111 RENDERINPUTS_TEST_RANGE( index_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) { /* need w coord for projected textures */
112 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_4F
, R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
);
116 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_3F
, R200_VTX_XY
| R200_VTX_Z0
);
120 rmesa
->swtcl
.coloroffset
= offset
;
121 #if MESA_LITTLE_ENDIAN
122 EMIT_ATTR( _TNL_ATTRIB_COLOR0
, EMIT_4UB_4F_RGBA
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
) );
124 EMIT_ATTR( _TNL_ATTRIB_COLOR0
, EMIT_4UB_4F_ABGR
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
) );
128 rmesa
->swtcl
.specoffset
= 0;
129 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_COLOR1
) ||
130 RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_FOG
)) {
132 #if MESA_LITTLE_ENDIAN
133 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_COLOR1
)) {
134 rmesa
->swtcl
.specoffset
= offset
;
135 EMIT_ATTR( _TNL_ATTRIB_COLOR1
, EMIT_3UB_3F_RGB
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
141 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_FOG
)) {
142 EMIT_ATTR( _TNL_ATTRIB_FOG
, EMIT_1UB_1F
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
148 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_FOG
)) {
149 EMIT_ATTR( _TNL_ATTRIB_FOG
, EMIT_1UB_1F
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
155 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_COLOR1
)) {
156 rmesa
->swtcl
.specoffset
= offset
;
157 EMIT_ATTR( _TNL_ATTRIB_COLOR1
, EMIT_3UB_3F_BGR
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
165 if (RENDERINPUTS_TEST_RANGE( index_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) {
168 for (i
= 0; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
169 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_TEX(i
) )) {
170 GLuint sz
= VB
->TexCoordPtr
[i
]->size
;
172 fmt_1
|= sz
<< (3 * i
);
173 EMIT_ATTR( _TNL_ATTRIB_TEX0
+i
, EMIT_1F
+ sz
- 1, 0 );
178 if ( (rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] & R200_FOG_USE_MASK
)
179 != R200_FOG_USE_SPEC_ALPHA
) {
180 R200_STATECHANGE( rmesa
, ctx
);
181 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] &= ~R200_FOG_USE_MASK
;
182 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] |= R200_FOG_USE_SPEC_ALPHA
;
185 if (!RENDERINPUTS_EQUAL( rmesa
->tnl_index_bitset
, index_bitset
) ||
186 (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
) ||
187 (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
189 R200_STATECHANGE( rmesa
, vtx
);
190 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
191 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
193 rmesa
->swtcl
.vertex_size
=
194 _tnl_install_attrs( ctx
,
195 rmesa
->swtcl
.vertex_attrs
,
196 rmesa
->swtcl
.vertex_attr_count
,
198 rmesa
->swtcl
.vertex_size
/= 4;
199 RENDERINPUTS_COPY( rmesa
->tnl_index_bitset
, index_bitset
);
204 static void r200RenderStart( GLcontext
*ctx
)
206 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
208 r200SetVertexFormat( ctx
);
210 if (rmesa
->dma
.flush
!= 0 &&
211 rmesa
->dma
.flush
!= flush_last_swtcl_prim
)
212 rmesa
->dma
.flush( rmesa
);
217 * Set vertex state for SW TCL. The primary purpose of this function is to
218 * determine in advance whether or not the hardware can / should do the
219 * projection divide or Mesa should do it.
221 void r200ChooseVertexState( GLcontext
*ctx
)
223 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
224 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
228 /* We must ensure that we don't do _tnl_need_projected_coords while in a
229 * rasterization fallback. As this function will be called again when we
230 * leave a rasterization fallback, we can just skip it for now.
232 if (rmesa
->Fallback
!= 0)
235 vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
236 vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
238 /* HW perspective divide is a win, but tiny vertex formats are a
241 if (!RENDERINPUTS_TEST_RANGE( tnl
->render_inputs_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)
242 || (ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
))) {
243 rmesa
->swtcl
.needproj
= GL_TRUE
;
244 vte
|= R200_VTX_XY_FMT
| R200_VTX_Z_FMT
;
245 vte
&= ~R200_VTX_W0_FMT
;
246 if (RENDERINPUTS_TEST_RANGE( tnl
->render_inputs_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) {
247 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
250 vap
|= R200_VAP_FORCE_W_TO_ONE
;
254 rmesa
->swtcl
.needproj
= GL_FALSE
;
255 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
256 vte
|= R200_VTX_W0_FMT
;
257 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
260 _tnl_need_projected_coords( ctx
, rmesa
->swtcl
.needproj
);
262 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
263 R200_STATECHANGE( rmesa
, vte
);
264 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
267 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
268 R200_STATECHANGE( rmesa
, vap
);
269 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
274 /* Flush vertices in the current dma region.
276 static void flush_last_swtcl_prim( r200ContextPtr rmesa
)
278 if (R200_DEBUG
& DEBUG_IOCTL
)
279 fprintf(stderr
, "%s\n", __FUNCTION__
);
281 rmesa
->dma
.flush
= NULL
;
283 if (rmesa
->dma
.current
.buf
) {
284 struct r200_dma_region
*current
= &rmesa
->dma
.current
;
285 GLuint current_offset
= (rmesa
->r200Screen
->gart_buffer_offset
+
286 current
->buf
->buf
->idx
* RADEON_BUFFER_SIZE
+
289 assert (!(rmesa
->swtcl
.hw_primitive
& R200_VF_PRIM_WALK_IND
));
291 assert (current
->start
+
292 rmesa
->swtcl
.numverts
* rmesa
->swtcl
.vertex_size
* 4 ==
295 if (rmesa
->dma
.current
.start
!= rmesa
->dma
.current
.ptr
) {
296 r200EnsureCmdBufSpace( rmesa
, VERT_AOS_BUFSZ
+
297 rmesa
->hw
.max_state_size
+ VBUF_BUFSZ
);
298 r200EmitVertexAOS( rmesa
,
299 rmesa
->swtcl
.vertex_size
,
302 r200EmitVbufPrim( rmesa
,
303 rmesa
->swtcl
.hw_primitive
,
304 rmesa
->swtcl
.numverts
);
307 rmesa
->swtcl
.numverts
= 0;
308 current
->start
= current
->ptr
;
313 /* Alloc space in the current dma region.
316 r200AllocDmaLowVerts( r200ContextPtr rmesa
, int nverts
, int vsize
)
318 GLuint bytes
= vsize
* nverts
;
320 if ( rmesa
->dma
.current
.ptr
+ bytes
> rmesa
->dma
.current
.end
)
321 r200RefillCurrentDmaRegion( rmesa
);
323 if (!rmesa
->dma
.flush
) {
324 rmesa
->glCtx
->Driver
.NeedFlush
|= FLUSH_STORED_VERTICES
;
325 rmesa
->dma
.flush
= flush_last_swtcl_prim
;
328 ASSERT( vsize
== rmesa
->swtcl
.vertex_size
* 4 );
329 ASSERT( rmesa
->dma
.flush
== flush_last_swtcl_prim
);
330 ASSERT( rmesa
->dma
.current
.start
+
331 rmesa
->swtcl
.numverts
* rmesa
->swtcl
.vertex_size
* 4 ==
332 rmesa
->dma
.current
.ptr
);
336 GLubyte
*head
= (GLubyte
*) (rmesa
->dma
.current
.address
+ rmesa
->dma
.current
.ptr
);
337 rmesa
->dma
.current
.ptr
+= bytes
;
338 rmesa
->swtcl
.numverts
+= nverts
;
345 /**************************************************************************/
348 static INLINE GLuint
reduced_hw_prim( GLcontext
*ctx
, GLuint prim
)
352 return (ctx
->_TriangleCaps
& DD_POINT_SIZE
) ?
353 R200_VF_PRIM_POINT_SPRITES
: R200_VF_PRIM_POINTS
;
359 return R200_VF_PRIM_LINES
;
361 /* all others reduced to triangles */
362 return R200_VF_PRIM_TRIANGLES
;
367 static void r200RasterPrimitive( GLcontext
*ctx
, GLuint hwprim
);
368 static void r200RenderPrimitive( GLcontext
*ctx
, GLenum prim
);
369 static void r200ResetLineStipple( GLcontext
*ctx
);
371 /***********************************************************************
372 * Emit primitives as inline vertices *
373 ***********************************************************************/
375 #define HAVE_POINTS 1
377 #define HAVE_LINE_STRIPS 1
378 #define HAVE_TRIANGLES 1
379 #define HAVE_TRI_STRIPS 1
380 #define HAVE_TRI_STRIP_1 0
381 #define HAVE_TRI_FANS 1
383 #define HAVE_QUAD_STRIPS 0
384 #define HAVE_POLYGONS 1
389 #define CTX_ARG r200ContextPtr rmesa
390 #define GET_VERTEX_DWORDS() rmesa->swtcl.vertex_size
391 #define ALLOC_VERTS( n, size ) r200AllocDmaLowVerts( rmesa, n, size * 4 )
393 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
394 const char *r200verts = (char *)rmesa->swtcl.verts;
395 #define VERT(x) (r200Vertex *)(r200verts + ((x) * vertsize * sizeof(int)))
396 #define VERTEX r200Vertex
397 #define DO_DEBUG_VERTS (1 && (R200_DEBUG & DEBUG_VERTS))
400 #define TAG(x) r200_##x
401 #include "tnl_dd/t_dd_triemit.h"
404 /***********************************************************************
405 * Macros for t_dd_tritmp.h to draw basic primitives *
406 ***********************************************************************/
408 #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d )
409 #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c )
410 #define LINE( a, b ) r200_line( rmesa, a, b )
411 #define POINT( a ) r200_point( rmesa, a )
413 /***********************************************************************
414 * Build render functions from dd templates *
415 ***********************************************************************/
417 #define R200_TWOSIDE_BIT 0x01
418 #define R200_UNFILLED_BIT 0x02
419 #define R200_MAX_TRIFUNC 0x04
423 tnl_points_func points
;
425 tnl_triangle_func triangle
;
427 } rast_tab
[R200_MAX_TRIFUNC
];
430 #define DO_FALLBACK 0
431 #define DO_UNFILLED (IND & R200_UNFILLED_BIT)
432 #define DO_TWOSIDE (IND & R200_TWOSIDE_BIT)
439 #define DO_FULL_QUAD 1
443 #define HAVE_BACK_COLORS 0
444 #define HAVE_HW_FLATSHADE 1
447 #define DEPTH_SCALE 1.0
448 #define UNFILLED_TRI unfilled_tri
449 #define UNFILLED_QUAD unfilled_quad
450 #define VERT_X(_v) _v->v.x
451 #define VERT_Y(_v) _v->v.y
452 #define VERT_Z(_v) _v->v.z
453 #define AREA_IS_CCW( a ) (a < 0)
454 #define GET_VERTEX(e) (rmesa->swtcl.verts + (e*rmesa->swtcl.vertex_size*sizeof(int)))
456 #define VERT_SET_RGBA( v, c ) \
458 r200_color_t *color = (r200_color_t *)&((v)->ui[coloroffset]); \
459 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
460 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
461 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
462 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
465 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
467 #define VERT_SET_SPEC( v, c ) \
470 r200_color_t *spec = (r200_color_t *)&((v)->ui[specoffset]); \
471 UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \
472 UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \
473 UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \
476 #define VERT_COPY_SPEC( v0, v1 ) \
479 r200_color_t *spec0 = (r200_color_t *)&((v0)->ui[specoffset]); \
480 r200_color_t *spec1 = (r200_color_t *)&((v1)->ui[specoffset]); \
481 spec0->red = spec1->red; \
482 spec0->green = spec1->green; \
483 spec0->blue = spec1->blue; \
487 /* These don't need LE32_TO_CPU() as they used to save and restore
488 * colors which are already in the correct format.
490 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
491 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
492 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
493 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
499 #define LOCAL_VARS(n) \
500 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
501 GLuint color[n], spec[n]; \
502 GLuint coloroffset = rmesa->swtcl.coloroffset; \
503 GLuint specoffset = rmesa->swtcl.specoffset; \
504 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
506 /***********************************************************************
507 * Helpers for rendering unfilled primitives *
508 ***********************************************************************/
510 #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) )
511 #define RENDER_PRIMITIVE rmesa->swtcl.render_primitive
514 #include "tnl_dd/t_dd_unfilled.h"
518 /***********************************************************************
519 * Generate GL render functions *
520 ***********************************************************************/
525 #include "tnl_dd/t_dd_tritmp.h"
527 #define IND (R200_TWOSIDE_BIT)
528 #define TAG(x) x##_twoside
529 #include "tnl_dd/t_dd_tritmp.h"
531 #define IND (R200_UNFILLED_BIT)
532 #define TAG(x) x##_unfilled
533 #include "tnl_dd/t_dd_tritmp.h"
535 #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT)
536 #define TAG(x) x##_twoside_unfilled
537 #include "tnl_dd/t_dd_tritmp.h"
540 static void init_rast_tab( void )
545 init_twoside_unfilled();
548 /**********************************************************************/
549 /* Render unclipped begin/end objects */
550 /**********************************************************************/
552 #define RENDER_POINTS( start, count ) \
553 for ( ; start < count ; start++) \
554 r200_point( rmesa, VERT(start) )
555 #define RENDER_LINE( v0, v1 ) \
556 r200_line( rmesa, VERT(v0), VERT(v1) )
557 #define RENDER_TRI( v0, v1, v2 ) \
558 r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
559 #define RENDER_QUAD( v0, v1, v2, v3 ) \
560 r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
561 #define INIT(x) do { \
562 r200RenderPrimitive( ctx, x ); \
566 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
567 const GLuint vertsize = rmesa->swtcl.vertex_size; \
568 const char *r200verts = (char *)rmesa->swtcl.verts; \
569 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
570 const GLboolean stipple = ctx->Line.StippleFlag; \
571 (void) elt; (void) stipple;
572 #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx );
573 #define RESET_OCCLUSION
574 #define PRESERVE_VB_DEFS
576 #define TAG(x) r200_##x##_verts
577 #include "tnl/t_vb_rendertmp.h"
580 #define TAG(x) r200_##x##_elts
581 #define ELT(x) elt[x]
582 #include "tnl/t_vb_rendertmp.h"
586 /**********************************************************************/
587 /* Choose render functions */
588 /**********************************************************************/
590 void r200ChooseRenderState( GLcontext
*ctx
)
592 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
593 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
595 GLuint flags
= ctx
->_TriangleCaps
;
597 if (!rmesa
->TclFallback
|| rmesa
->Fallback
)
600 if (flags
& DD_TRI_LIGHT_TWOSIDE
) index
|= R200_TWOSIDE_BIT
;
601 if (flags
& DD_TRI_UNFILLED
) index
|= R200_UNFILLED_BIT
;
603 if (index
!= rmesa
->swtcl
.RenderIndex
) {
604 tnl
->Driver
.Render
.Points
= rast_tab
[index
].points
;
605 tnl
->Driver
.Render
.Line
= rast_tab
[index
].line
;
606 tnl
->Driver
.Render
.ClippedLine
= rast_tab
[index
].line
;
607 tnl
->Driver
.Render
.Triangle
= rast_tab
[index
].triangle
;
608 tnl
->Driver
.Render
.Quad
= rast_tab
[index
].quad
;
611 tnl
->Driver
.Render
.PrimTabVerts
= r200_render_tab_verts
;
612 tnl
->Driver
.Render
.PrimTabElts
= r200_render_tab_elts
;
613 tnl
->Driver
.Render
.ClippedPolygon
= r200_fast_clipped_poly
;
615 tnl
->Driver
.Render
.PrimTabVerts
= _tnl_render_tab_verts
;
616 tnl
->Driver
.Render
.PrimTabElts
= _tnl_render_tab_elts
;
617 tnl
->Driver
.Render
.ClippedPolygon
= _tnl_RenderClippedPolygon
;
620 rmesa
->swtcl
.RenderIndex
= index
;
625 /**********************************************************************/
626 /* High level hooks for t_vb_render.c */
627 /**********************************************************************/
630 static void r200RasterPrimitive( GLcontext
*ctx
, GLuint hwprim
)
632 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
634 if (rmesa
->swtcl
.hw_primitive
!= hwprim
) {
635 R200_NEWPRIM( rmesa
);
636 rmesa
->swtcl
.hw_primitive
= hwprim
;
640 static void r200RenderPrimitive( GLcontext
*ctx
, GLenum prim
)
642 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
643 rmesa
->swtcl
.render_primitive
= prim
;
644 if (prim
< GL_TRIANGLES
|| !(ctx
->_TriangleCaps
& DD_TRI_UNFILLED
))
645 r200RasterPrimitive( ctx
, reduced_hw_prim(ctx
, prim
) );
648 static void r200RenderFinish( GLcontext
*ctx
)
652 static void r200ResetLineStipple( GLcontext
*ctx
)
654 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
655 R200_STATECHANGE( rmesa
, lin
);
659 /**********************************************************************/
660 /* Transition to/from hardware rasterization. */
661 /**********************************************************************/
663 static const char * const fallbackStrings
[] = {
665 "glDrawBuffer(GL_FRONT_AND_BACK)",
666 "glEnable(GL_STENCIL) without hw stencil buffer",
667 "glRenderMode(selection or feedback)",
669 "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)"
673 static const char *getFallbackString(GLuint bit
)
680 return fallbackStrings
[i
];
684 void r200Fallback( GLcontext
*ctx
, GLuint bit
, GLboolean mode
)
686 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
687 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
688 GLuint oldfallback
= rmesa
->Fallback
;
691 rmesa
->Fallback
|= bit
;
692 if (oldfallback
== 0) {
693 R200_FIREVERTICES( rmesa
);
694 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_TRUE
);
695 _swsetup_Wakeup( ctx
);
696 rmesa
->swtcl
.RenderIndex
= ~0;
697 if (R200_DEBUG
& DEBUG_FALLBACKS
) {
698 fprintf(stderr
, "R200 begin rasterization fallback: 0x%x %s\n",
699 bit
, getFallbackString(bit
));
704 rmesa
->Fallback
&= ~bit
;
705 if (oldfallback
== bit
) {
707 _swrast_flush( ctx
);
708 tnl
->Driver
.Render
.Start
= r200RenderStart
;
709 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
710 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
712 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
713 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
714 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
716 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
717 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_FALSE
);
718 if (rmesa
->TclFallback
) {
719 /* These are already done if rmesa->TclFallback goes to
720 * zero above. But not if it doesn't (R200_NO_TCL for
723 _tnl_invalidate_vertex_state( ctx
, ~0 );
724 _tnl_invalidate_vertices( ctx
, ~0 );
725 RENDERINPUTS_ZERO( rmesa
->tnl_index_bitset
);
726 r200ChooseVertexState( ctx
);
727 r200ChooseRenderState( ctx
);
729 if (R200_DEBUG
& DEBUG_FALLBACKS
) {
730 fprintf(stderr
, "R200 end rasterization fallback: 0x%x %s\n",
731 bit
, getFallbackString(bit
));
741 * Cope with depth operations by drawing individual pixels as points.
744 * The way the vertex state is set in this routine is hokey. It seems to
745 * work, but it's very hackish. This whole routine is pretty hackish. If
746 * the bitmap is small enough, it seems like it would be faster to copy it
747 * to AGP memory and use it as a non-power-of-two texture (i.e.,
748 * NV_texture_rectangle).
751 r200PointsBitmap( GLcontext
*ctx
, GLint px
, GLint py
,
752 GLsizei width
, GLsizei height
,
753 const struct gl_pixelstore_attrib
*unpack
,
754 const GLubyte
*bitmap
)
756 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
757 const GLfloat
*rc
= ctx
->Current
.RasterColor
;
766 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 1 );
768 /* Choose tiny vertex format
771 const GLuint fmt_0
= R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
772 | (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
);
773 const GLuint fmt_1
= 0;
774 GLuint vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
775 GLuint vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
777 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
778 vte
|= R200_VTX_W0_FMT
;
779 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
781 rmesa
->swtcl
.vertex_size
= 5;
783 if ( (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
)
784 || (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
786 R200_STATECHANGE( rmesa
, vtx
);
787 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
788 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
791 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
792 R200_STATECHANGE( rmesa
, vte
);
793 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
796 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
797 R200_STATECHANGE( rmesa
, vap
);
798 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
802 /* Ready for point primitives:
804 r200RenderPrimitive( ctx
, GL_POINTS
);
806 /* Turn off the hw viewport transformation:
808 R200_STATECHANGE( rmesa
, vte
);
809 orig_vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
810 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~(R200_VPORT_X_SCALE_ENA
|
811 R200_VPORT_Y_SCALE_ENA
|
812 R200_VPORT_Z_SCALE_ENA
|
813 R200_VPORT_X_OFFSET_ENA
|
814 R200_VPORT_Y_OFFSET_ENA
|
815 R200_VPORT_Z_OFFSET_ENA
);
817 /* Turn off other stuff: Stipple?, texture?, blending?, etc.
821 /* Populate the vertex
823 * Incorporate FOG into RGBA
825 if (ctx
->Fog
.Enabled
) {
826 const GLfloat
*fc
= ctx
->Fog
.Color
;
830 if (ctx
->Fog
.FogCoordinateSource
== GL_FOG_COORDINATE_EXT
)
831 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.Attrib
[VERT_ATTRIB_FOG
][0]);
833 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.RasterDistance
);
835 color
[0] = f
* rc
[0] + (1.F
- f
) * fc
[0];
836 color
[1] = f
* rc
[1] + (1.F
- f
) * fc
[1];
837 color
[2] = f
* rc
[2] + (1.F
- f
) * fc
[2];
840 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, color
[0]);
841 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, color
[1]);
842 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, color
[2]);
843 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, color
[3]);
846 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, rc
[0]);
847 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, rc
[1]);
848 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, rc
[2]);
849 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, rc
[3]);
853 vert
.tv
.z
= ctx
->Current
.RasterPos
[2];
856 /* Update window height
858 LOCK_HARDWARE( rmesa
);
859 UNLOCK_HARDWARE( rmesa
);
860 h
= rmesa
->dri
.drawable
->h
+ rmesa
->dri
.drawable
->y
;
861 px
+= rmesa
->dri
.drawable
->x
;
863 /* Clipping handled by existing mechansims in r200_ioctl.c?
865 for (row
=0; row
<height
; row
++) {
866 const GLubyte
*src
= (const GLubyte
*)
867 _mesa_image_address2d(unpack
, bitmap
, width
, height
,
868 GL_COLOR_INDEX
, GL_BITMAP
, row
, 0 );
870 if (unpack
->LsbFirst
) {
872 GLubyte mask
= 1U << (unpack
->SkipPixels
& 0x7);
873 for (col
=0; col
<width
; col
++) {
876 vert
.tv
.y
= h
- (py
+row
) - 1;
877 r200_point( rmesa
, &vert
);
880 mask
= ((mask
<< 1) & 0xff) | (mask
>> 7);
883 /* get ready for next row */
889 GLubyte mask
= 128U >> (unpack
->SkipPixels
& 0x7);
890 for (col
=0; col
<width
; col
++) {
893 vert
.tv
.y
= h
- (py
+row
) - 1;
894 r200_point( rmesa
, &vert
);
897 mask
= ((mask
<< 7) & 0xff) | (mask
>> 1);
899 /* get ready for next row */
905 /* Fire outstanding vertices, restore state
907 R200_STATECHANGE( rmesa
, vte
);
908 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = orig_vte
;
912 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 0 );
914 /* Need to restore vertexformat?
916 if (rmesa
->TclFallback
)
917 r200ChooseVertexState( ctx
);
921 void r200FlushVertices( GLcontext
*ctx
, GLuint flags
)
923 _tnl_FlushVertices( ctx
, flags
);
925 if (flags
& FLUSH_STORED_VERTICES
)
926 R200_NEWPRIM( R200_CONTEXT( ctx
) );
929 /**********************************************************************/
930 /* Initialization. */
931 /**********************************************************************/
933 void r200InitSwtcl( GLcontext
*ctx
)
935 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
936 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
937 static int firsttime
= 1;
944 tnl
->Driver
.Render
.Start
= r200RenderStart
;
945 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
946 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
947 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
948 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
949 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
950 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
952 /* FIXME: what are these numbers? */
953 _tnl_init_vertices( ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
954 36 * sizeof(GLfloat
) );
956 rmesa
->swtcl
.verts
= (GLubyte
*)tnl
->clipspace
.vertex_buf
;
957 rmesa
->swtcl
.RenderIndex
= ~0;
958 rmesa
->swtcl
.render_primitive
= GL_TRIANGLES
;
959 rmesa
->swtcl
.hw_primitive
= 0;
963 void r200DestroySwtcl( GLcontext
*ctx
)
965 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
967 if (rmesa
->swtcl
.indexed_verts
.buf
)
968 r200ReleaseDmaRegion( rmesa
, &rmesa
->swtcl
.indexed_verts
, __FUNCTION__
);