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>
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"
43 #include "swrast/s_context.h"
44 #include "swrast/s_fog.h"
45 #include "swrast_setup/swrast_setup.h"
46 #include "math/m_translate.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( GLcontext
*ctx
)
80 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
81 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
82 struct vertex_buffer
*VB
= &tnl
->vb
;
83 DECLARE_RENDERINPUTS(index_bitset
);
88 RENDERINPUTS_COPY( index_bitset
, tnl
->render_inputs_bitset
);
92 if ( VB
->NdcPtr
!= NULL
) {
93 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->NdcPtr
;
96 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->ClipPtr
;
99 assert( VB
->AttribPtr
[VERT_ATTRIB_POS
] != NULL
);
100 rmesa
->radeon
.swtcl
.vertex_attr_count
= 0;
102 /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
103 * build up a hardware vertex.
105 if ( !rmesa
->swtcl
.needproj
||
106 RENDERINPUTS_TEST_RANGE( index_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) { /* need w coord for projected textures */
107 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_4F
, R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
);
111 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_3F
, R200_VTX_XY
| R200_VTX_Z0
);
115 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_POINTSIZE
)) {
116 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE
, EMIT_1F
, R200_VTX_POINT_SIZE
);
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
->radeon
.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
->radeon
.swtcl
.vertex_size
=
194 _tnl_install_attrs( ctx
,
195 rmesa
->radeon
.swtcl
.vertex_attrs
,
196 rmesa
->radeon
.swtcl
.vertex_attr_count
,
198 rmesa
->radeon
.swtcl
.vertex_size
/= 4;
199 RENDERINPUTS_COPY( rmesa
->radeon
.tnl_index_bitset
, index_bitset
);
204 static void r200RenderStart( GLcontext
*ctx
)
206 r200SetVertexFormat( ctx
);
211 * Set vertex state for SW TCL. The primary purpose of this function is to
212 * determine in advance whether or not the hardware can / should do the
213 * projection divide or Mesa should do it.
215 void r200ChooseVertexState( GLcontext
*ctx
)
217 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
218 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
222 /* We must ensure that we don't do _tnl_need_projected_coords while in a
223 * rasterization fallback. As this function will be called again when we
224 * leave a rasterization fallback, we can just skip it for now.
226 if (rmesa
->radeon
.Fallback
!= 0)
229 vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
230 vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
232 /* HW perspective divide is a win, but tiny vertex formats are a
235 if (!RENDERINPUTS_TEST_RANGE( tnl
->render_inputs_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)
236 || (ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
))) {
237 rmesa
->swtcl
.needproj
= GL_TRUE
;
238 vte
|= R200_VTX_XY_FMT
| R200_VTX_Z_FMT
;
239 vte
&= ~R200_VTX_W0_FMT
;
240 if (RENDERINPUTS_TEST_RANGE( tnl
->render_inputs_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) {
241 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
244 vap
|= R200_VAP_FORCE_W_TO_ONE
;
248 rmesa
->swtcl
.needproj
= GL_FALSE
;
249 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
250 vte
|= R200_VTX_W0_FMT
;
251 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
254 _tnl_need_projected_coords( ctx
, rmesa
->swtcl
.needproj
);
256 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
257 R200_STATECHANGE( rmesa
, vte
);
258 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
261 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
262 R200_STATECHANGE( rmesa
, vap
);
263 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
267 void r200_swtcl_flush(GLcontext
*ctx
, uint32_t current_offset
)
269 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
270 rcommonEnsureCmdBufSpace(&rmesa
->radeon
,
271 rmesa
->radeon
.hw
.max_state_size
+ (12*sizeof(int)),
275 radeonEmitState(&rmesa
->radeon
);
276 r200EmitVertexAOS( rmesa
,
277 rmesa
->radeon
.swtcl
.vertex_size
,
278 rmesa
->radeon
.dma
.current
,
282 r200EmitVbufPrim( rmesa
,
283 rmesa
->radeon
.swtcl
.hw_primitive
,
284 rmesa
->radeon
.swtcl
.numverts
);
288 /**************************************************************************/
291 static INLINE GLuint
reduced_hw_prim( GLcontext
*ctx
, GLuint prim
)
295 return (ctx
->Point
.PointSprite
||
296 ((ctx
->_TriangleCaps
& (DD_POINT_SIZE
| DD_POINT_ATTEN
)) &&
297 !(ctx
->_TriangleCaps
& (DD_POINT_SMOOTH
)))) ?
298 R200_VF_PRIM_POINT_SPRITES
: R200_VF_PRIM_POINTS
;
304 return R200_VF_PRIM_LINES
;
306 /* all others reduced to triangles */
307 return R200_VF_PRIM_TRIANGLES
;
312 static void r200RasterPrimitive( GLcontext
*ctx
, GLuint hwprim
);
313 static void r200RenderPrimitive( GLcontext
*ctx
, GLenum prim
);
314 static void r200ResetLineStipple( GLcontext
*ctx
);
316 /***********************************************************************
317 * Emit primitives as inline vertices *
318 ***********************************************************************/
320 #define HAVE_POINTS 1
322 #define HAVE_LINE_STRIPS 1
323 #define HAVE_TRIANGLES 1
324 #define HAVE_TRI_STRIPS 1
325 #define HAVE_TRI_STRIP_1 0
326 #define HAVE_TRI_FANS 1
328 #define HAVE_QUAD_STRIPS 0
329 #define HAVE_POLYGONS 1
334 #define CTX_ARG r200ContextPtr rmesa
335 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
336 #define ALLOC_VERTS( n, size ) rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 )
338 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
339 const char *r200verts = (char *)rmesa->radeon.swtcl.verts;
340 #define VERT(x) (radeonVertex *)(r200verts + ((x) * vertsize * sizeof(int)))
341 #define VERTEX radeonVertex
342 #define DO_DEBUG_VERTS (1 && (R200_DEBUG & DEBUG_VERTS))
345 #define TAG(x) r200_##x
346 #include "tnl_dd/t_dd_triemit.h"
349 /***********************************************************************
350 * Macros for t_dd_tritmp.h to draw basic primitives *
351 ***********************************************************************/
353 #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d )
354 #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c )
355 #define LINE( a, b ) r200_line( rmesa, a, b )
356 #define POINT( a ) r200_point( rmesa, a )
358 /***********************************************************************
359 * Build render functions from dd templates *
360 ***********************************************************************/
362 #define R200_TWOSIDE_BIT 0x01
363 #define R200_UNFILLED_BIT 0x02
364 #define R200_MAX_TRIFUNC 0x04
368 tnl_points_func points
;
370 tnl_triangle_func triangle
;
372 } rast_tab
[R200_MAX_TRIFUNC
];
375 #define DO_FALLBACK 0
376 #define DO_UNFILLED (IND & R200_UNFILLED_BIT)
377 #define DO_TWOSIDE (IND & R200_TWOSIDE_BIT)
384 #define DO_FULL_QUAD 1
388 #define HAVE_BACK_COLORS 0
389 #define HAVE_HW_FLATSHADE 1
392 #define DEPTH_SCALE 1.0
393 #define UNFILLED_TRI unfilled_tri
394 #define UNFILLED_QUAD unfilled_quad
395 #define VERT_X(_v) _v->v.x
396 #define VERT_Y(_v) _v->v.y
397 #define VERT_Z(_v) _v->v.z
398 #define AREA_IS_CCW( a ) (a < 0)
399 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
401 #define VERT_SET_RGBA( v, c ) \
403 radeon_color_t *color = (radeon_color_t *)&((v)->ui[coloroffset]); \
404 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
405 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
406 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
407 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
410 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
412 #define VERT_SET_SPEC( v, c ) \
415 radeon_color_t *spec = (radeon_color_t *)&((v)->ui[specoffset]); \
416 UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \
417 UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \
418 UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \
421 #define VERT_COPY_SPEC( v0, v1 ) \
424 radeon_color_t *spec0 = (radeon_color_t *)&((v0)->ui[specoffset]); \
425 radeon_color_t *spec1 = (radeon_color_t *)&((v1)->ui[specoffset]); \
426 spec0->red = spec1->red; \
427 spec0->green = spec1->green; \
428 spec0->blue = spec1->blue; \
432 /* These don't need LE32_TO_CPU() as they used to save and restore
433 * colors which are already in the correct format.
435 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
436 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
437 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
438 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
444 #define LOCAL_VARS(n) \
445 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
446 GLuint color[n], spec[n]; \
447 GLuint coloroffset = rmesa->swtcl.coloroffset; \
448 GLuint specoffset = rmesa->swtcl.specoffset; \
449 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
451 /***********************************************************************
452 * Helpers for rendering unfilled primitives *
453 ***********************************************************************/
455 #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) )
456 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
459 #include "tnl_dd/t_dd_unfilled.h"
463 /***********************************************************************
464 * Generate GL render functions *
465 ***********************************************************************/
470 #include "tnl_dd/t_dd_tritmp.h"
472 #define IND (R200_TWOSIDE_BIT)
473 #define TAG(x) x##_twoside
474 #include "tnl_dd/t_dd_tritmp.h"
476 #define IND (R200_UNFILLED_BIT)
477 #define TAG(x) x##_unfilled
478 #include "tnl_dd/t_dd_tritmp.h"
480 #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT)
481 #define TAG(x) x##_twoside_unfilled
482 #include "tnl_dd/t_dd_tritmp.h"
485 static void init_rast_tab( void )
490 init_twoside_unfilled();
493 /**********************************************************************/
494 /* Render unclipped begin/end objects */
495 /**********************************************************************/
497 #define RENDER_POINTS( start, count ) \
498 for ( ; start < count ; start++) \
499 r200_point( rmesa, VERT(start) )
500 #define RENDER_LINE( v0, v1 ) \
501 r200_line( rmesa, VERT(v0), VERT(v1) )
502 #define RENDER_TRI( v0, v1, v2 ) \
503 r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
504 #define RENDER_QUAD( v0, v1, v2, v3 ) \
505 r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
506 #define INIT(x) do { \
507 r200RenderPrimitive( ctx, x ); \
511 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
512 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
513 const char *r200verts = (char *)rmesa->radeon.swtcl.verts; \
514 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
515 const GLboolean stipple = ctx->Line.StippleFlag; \
516 (void) elt; (void) stipple;
517 #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx );
518 #define RESET_OCCLUSION
519 #define PRESERVE_VB_DEFS
521 #define TAG(x) r200_##x##_verts
522 #include "tnl/t_vb_rendertmp.h"
525 #define TAG(x) r200_##x##_elts
526 #define ELT(x) elt[x]
527 #include "tnl/t_vb_rendertmp.h"
531 /**********************************************************************/
532 /* Choose render functions */
533 /**********************************************************************/
535 void r200ChooseRenderState( GLcontext
*ctx
)
537 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
538 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
540 GLuint flags
= ctx
->_TriangleCaps
;
542 if (!rmesa
->radeon
.TclFallback
|| rmesa
->radeon
.Fallback
)
545 if (flags
& DD_TRI_LIGHT_TWOSIDE
) index
|= R200_TWOSIDE_BIT
;
546 if (flags
& DD_TRI_UNFILLED
) index
|= R200_UNFILLED_BIT
;
548 if (index
!= rmesa
->radeon
.swtcl
.RenderIndex
) {
549 tnl
->Driver
.Render
.Points
= rast_tab
[index
].points
;
550 tnl
->Driver
.Render
.Line
= rast_tab
[index
].line
;
551 tnl
->Driver
.Render
.ClippedLine
= rast_tab
[index
].line
;
552 tnl
->Driver
.Render
.Triangle
= rast_tab
[index
].triangle
;
553 tnl
->Driver
.Render
.Quad
= rast_tab
[index
].quad
;
556 tnl
->Driver
.Render
.PrimTabVerts
= r200_render_tab_verts
;
557 tnl
->Driver
.Render
.PrimTabElts
= r200_render_tab_elts
;
558 tnl
->Driver
.Render
.ClippedPolygon
= r200_fast_clipped_poly
;
560 tnl
->Driver
.Render
.PrimTabVerts
= _tnl_render_tab_verts
;
561 tnl
->Driver
.Render
.PrimTabElts
= _tnl_render_tab_elts
;
562 tnl
->Driver
.Render
.ClippedPolygon
= _tnl_RenderClippedPolygon
;
565 rmesa
->radeon
.swtcl
.RenderIndex
= index
;
570 /**********************************************************************/
571 /* High level hooks for t_vb_render.c */
572 /**********************************************************************/
575 static void r200RasterPrimitive( GLcontext
*ctx
, GLuint hwprim
)
577 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
579 if (rmesa
->radeon
.swtcl
.hw_primitive
!= hwprim
) {
580 /* need to disable perspective-correct texturing for point sprites */
581 if ((hwprim
& 0xf) == R200_VF_PRIM_POINT_SPRITES
&& ctx
->Point
.PointSprite
) {
582 if (rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] & R200_PERSPECTIVE_ENABLE
) {
583 R200_STATECHANGE( rmesa
, set
);
584 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_PERSPECTIVE_ENABLE
;
587 else if (!(rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] & R200_PERSPECTIVE_ENABLE
)) {
588 R200_STATECHANGE( rmesa
, set
);
589 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_PERSPECTIVE_ENABLE
;
591 R200_NEWPRIM( rmesa
);
592 rmesa
->radeon
.swtcl
.hw_primitive
= hwprim
;
596 static void r200RenderPrimitive( GLcontext
*ctx
, GLenum prim
)
598 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
599 rmesa
->radeon
.swtcl
.render_primitive
= prim
;
600 if (prim
< GL_TRIANGLES
|| !(ctx
->_TriangleCaps
& DD_TRI_UNFILLED
))
601 r200RasterPrimitive( ctx
, reduced_hw_prim(ctx
, prim
) );
604 static void r200RenderFinish( GLcontext
*ctx
)
608 static void r200ResetLineStipple( GLcontext
*ctx
)
610 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
611 R200_STATECHANGE( rmesa
, lin
);
615 /**********************************************************************/
616 /* Transition to/from hardware rasterization. */
617 /**********************************************************************/
619 static const char * const fallbackStrings
[] = {
621 "glDrawBuffer(GL_FRONT_AND_BACK)",
622 "glEnable(GL_STENCIL) without hw stencil buffer",
623 "glRenderMode(selection or feedback)",
625 "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)"
629 static const char *getFallbackString(GLuint bit
)
636 return fallbackStrings
[i
];
640 void r200Fallback( GLcontext
*ctx
, GLuint bit
, GLboolean mode
)
642 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
643 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
644 GLuint oldfallback
= rmesa
->radeon
.Fallback
;
647 rmesa
->radeon
.Fallback
|= bit
;
648 if (oldfallback
== 0) {
649 radeon_firevertices(&rmesa
->radeon
);
650 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_TRUE
);
651 _swsetup_Wakeup( ctx
);
652 rmesa
->radeon
.swtcl
.RenderIndex
= ~0;
653 if (R200_DEBUG
& DEBUG_FALLBACKS
) {
654 fprintf(stderr
, "R200 begin rasterization fallback: 0x%x %s\n",
655 bit
, getFallbackString(bit
));
660 rmesa
->radeon
.Fallback
&= ~bit
;
661 if (oldfallback
== bit
) {
663 _swrast_flush( ctx
);
664 tnl
->Driver
.Render
.Start
= r200RenderStart
;
665 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
666 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
668 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
669 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
670 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
672 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
673 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_FALSE
);
674 if (rmesa
->radeon
.TclFallback
) {
675 /* These are already done if rmesa->radeon.TclFallback goes to
676 * zero above. But not if it doesn't (R200_NO_TCL for
679 _tnl_invalidate_vertex_state( ctx
, ~0 );
680 _tnl_invalidate_vertices( ctx
, ~0 );
681 RENDERINPUTS_ZERO( rmesa
->radeon
.tnl_index_bitset
);
682 r200ChooseVertexState( ctx
);
683 r200ChooseRenderState( ctx
);
685 if (R200_DEBUG
& DEBUG_FALLBACKS
) {
686 fprintf(stderr
, "R200 end rasterization fallback: 0x%x %s\n",
687 bit
, getFallbackString(bit
));
697 * Cope with depth operations by drawing individual pixels as points.
700 * The way the vertex state is set in this routine is hokey. It seems to
701 * work, but it's very hackish. This whole routine is pretty hackish. If
702 * the bitmap is small enough, it seems like it would be faster to copy it
703 * to AGP memory and use it as a non-power-of-two texture (i.e.,
704 * NV_texture_rectangle).
707 r200PointsBitmap( GLcontext
*ctx
, GLint px
, GLint py
,
708 GLsizei width
, GLsizei height
,
709 const struct gl_pixelstore_attrib
*unpack
,
710 const GLubyte
*bitmap
)
712 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
713 const GLfloat
*rc
= ctx
->Current
.RasterColor
;
722 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 1 );
724 /* Choose tiny vertex format
727 const GLuint fmt_0
= R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
728 | (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
);
729 const GLuint fmt_1
= 0;
730 GLuint vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
731 GLuint vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
733 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
734 vte
|= R200_VTX_W0_FMT
;
735 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
737 rmesa
->radeon
.swtcl
.vertex_size
= 5;
739 if ( (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
)
740 || (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
742 R200_STATECHANGE( rmesa
, vtx
);
743 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
744 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
747 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
748 R200_STATECHANGE( rmesa
, vte
);
749 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
752 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
753 R200_STATECHANGE( rmesa
, vap
);
754 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
758 /* Ready for point primitives:
760 r200RenderPrimitive( ctx
, GL_POINTS
);
762 /* Turn off the hw viewport transformation:
764 R200_STATECHANGE( rmesa
, vte
);
765 orig_vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
766 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~(R200_VPORT_X_SCALE_ENA
|
767 R200_VPORT_Y_SCALE_ENA
|
768 R200_VPORT_Z_SCALE_ENA
|
769 R200_VPORT_X_OFFSET_ENA
|
770 R200_VPORT_Y_OFFSET_ENA
|
771 R200_VPORT_Z_OFFSET_ENA
);
773 /* Turn off other stuff: Stipple?, texture?, blending?, etc.
777 /* Populate the vertex
779 * Incorporate FOG into RGBA
781 if (ctx
->Fog
.Enabled
) {
782 const GLfloat
*fc
= ctx
->Fog
.Color
;
786 if (ctx
->Fog
.FogCoordinateSource
== GL_FOG_COORDINATE_EXT
)
787 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.Attrib
[VERT_ATTRIB_FOG
][0]);
789 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.RasterDistance
);
791 color
[0] = f
* rc
[0] + (1.F
- f
) * fc
[0];
792 color
[1] = f
* rc
[1] + (1.F
- f
) * fc
[1];
793 color
[2] = f
* rc
[2] + (1.F
- f
) * fc
[2];
796 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, color
[0]);
797 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, color
[1]);
798 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, color
[2]);
799 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, color
[3]);
802 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, rc
[0]);
803 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, rc
[1]);
804 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, rc
[2]);
805 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, rc
[3]);
809 vert
.tv
.z
= ctx
->Current
.RasterPos
[2];
812 /* Update window height
814 LOCK_HARDWARE( &rmesa
->radeon
);
815 UNLOCK_HARDWARE( &rmesa
->radeon
);
816 h
= rmesa
->radeon
.dri
.drawable
->h
+ rmesa
->radeon
.dri
.drawable
->y
;
817 px
+= rmesa
->radeon
.dri
.drawable
->x
;
819 /* Clipping handled by existing mechansims in r200_ioctl.c?
821 for (row
=0; row
<height
; row
++) {
822 const GLubyte
*src
= (const GLubyte
*)
823 _mesa_image_address2d(unpack
, bitmap
, width
, height
,
824 GL_COLOR_INDEX
, GL_BITMAP
, row
, 0 );
826 if (unpack
->LsbFirst
) {
828 GLubyte mask
= 1U << (unpack
->SkipPixels
& 0x7);
829 for (col
=0; col
<width
; col
++) {
832 vert
.tv
.y
= h
- (py
+row
) - 1;
833 r200_point( rmesa
, &vert
);
836 mask
= ((mask
<< 1) & 0xff) | (mask
>> 7);
839 /* get ready for next row */
845 GLubyte mask
= 128U >> (unpack
->SkipPixels
& 0x7);
846 for (col
=0; col
<width
; col
++) {
849 vert
.tv
.y
= h
- (py
+row
) - 1;
850 r200_point( rmesa
, &vert
);
853 mask
= ((mask
<< 7) & 0xff) | (mask
>> 1);
855 /* get ready for next row */
861 /* Fire outstanding vertices, restore state
863 R200_STATECHANGE( rmesa
, vte
);
864 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = orig_vte
;
868 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 0 );
870 /* Need to restore vertexformat?
872 if (rmesa
->radeon
.TclFallback
)
873 r200ChooseVertexState( ctx
);
878 /**********************************************************************/
879 /* Initialization. */
880 /**********************************************************************/
882 void r200InitSwtcl( GLcontext
*ctx
)
884 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
885 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
886 static int firsttime
= 1;
893 tnl
->Driver
.Render
.Start
= r200RenderStart
;
894 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
895 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
896 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
897 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
898 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
899 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
901 /* FIXME: what are these numbers? */
902 _tnl_init_vertices( ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
903 36 * sizeof(GLfloat
) );
905 rmesa
->radeon
.swtcl
.verts
= (GLubyte
*)tnl
->clipspace
.vertex_buf
;
906 rmesa
->radeon
.swtcl
.RenderIndex
= ~0;
907 rmesa
->radeon
.swtcl
.render_primitive
= GL_TRIANGLES
;
908 rmesa
->radeon
.swtcl
.hw_primitive
= 0;