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 "radeon_bo.h"
52 #include "r200_context.h"
53 #include "r200_ioctl.h"
54 #include "r200_state.h"
55 #include "r200_swtcl.h"
59 /***********************************************************************
61 ***********************************************************************/
63 #define EMIT_ATTR( ATTR, STYLE, F0 ) \
65 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = (ATTR); \
66 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = (STYLE); \
67 rmesa->radeon.swtcl.vertex_attr_count++; \
71 #define EMIT_PAD( N ) \
73 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = 0; \
74 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = EMIT_PAD; \
75 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].offset = (N); \
76 rmesa->radeon.swtcl.vertex_attr_count++; \
79 static void r200SetVertexFormat( GLcontext
*ctx
)
81 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
82 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
83 struct vertex_buffer
*VB
= &tnl
->vb
;
84 DECLARE_RENDERINPUTS(index_bitset
);
89 RENDERINPUTS_COPY( index_bitset
, tnl
->render_inputs_bitset
);
93 if ( VB
->NdcPtr
!= NULL
) {
94 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->NdcPtr
;
97 VB
->AttribPtr
[VERT_ATTRIB_POS
] = VB
->ClipPtr
;
100 assert( VB
->AttribPtr
[VERT_ATTRIB_POS
] != NULL
);
101 rmesa
->radeon
.swtcl
.vertex_attr_count
= 0;
103 /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
104 * build up a hardware vertex.
106 if ( !rmesa
->swtcl
.needproj
||
107 RENDERINPUTS_TEST_RANGE( index_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) { /* need w coord for projected textures */
108 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_4F
, R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
);
112 EMIT_ATTR( _TNL_ATTRIB_POS
, EMIT_3F
, R200_VTX_XY
| R200_VTX_Z0
);
116 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_POINTSIZE
)) {
117 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE
, EMIT_1F
, R200_VTX_POINT_SIZE
);
121 rmesa
->swtcl
.coloroffset
= offset
;
122 #if MESA_LITTLE_ENDIAN
123 EMIT_ATTR( _TNL_ATTRIB_COLOR0
, EMIT_4UB_4F_RGBA
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
) );
125 EMIT_ATTR( _TNL_ATTRIB_COLOR0
, EMIT_4UB_4F_ABGR
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
) );
129 rmesa
->swtcl
.specoffset
= 0;
130 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_COLOR1
) ||
131 RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_FOG
)) {
133 #if MESA_LITTLE_ENDIAN
134 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_COLOR1
)) {
135 rmesa
->swtcl
.specoffset
= offset
;
136 EMIT_ATTR( _TNL_ATTRIB_COLOR1
, EMIT_3UB_3F_RGB
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
142 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_FOG
)) {
143 EMIT_ATTR( _TNL_ATTRIB_FOG
, EMIT_1UB_1F
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
149 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_FOG
)) {
150 EMIT_ATTR( _TNL_ATTRIB_FOG
, EMIT_1UB_1F
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
156 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_COLOR1
)) {
157 rmesa
->swtcl
.specoffset
= offset
;
158 EMIT_ATTR( _TNL_ATTRIB_COLOR1
, EMIT_3UB_3F_BGR
, (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_1_SHIFT
) );
166 if (RENDERINPUTS_TEST_RANGE( index_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) {
169 for (i
= 0; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
170 if (RENDERINPUTS_TEST( index_bitset
, _TNL_ATTRIB_TEX(i
) )) {
171 GLuint sz
= VB
->TexCoordPtr
[i
]->size
;
173 fmt_1
|= sz
<< (3 * i
);
174 EMIT_ATTR( _TNL_ATTRIB_TEX0
+i
, EMIT_1F
+ sz
- 1, 0 );
179 if ( (rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] & R200_FOG_USE_MASK
)
180 != R200_FOG_USE_SPEC_ALPHA
) {
181 R200_STATECHANGE( rmesa
, ctx
);
182 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] &= ~R200_FOG_USE_MASK
;
183 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] |= R200_FOG_USE_SPEC_ALPHA
;
186 if (!RENDERINPUTS_EQUAL( rmesa
->radeon
.tnl_index_bitset
, index_bitset
) ||
187 (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
) ||
188 (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
190 R200_STATECHANGE( rmesa
, vtx
);
191 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
192 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
194 rmesa
->radeon
.swtcl
.vertex_size
=
195 _tnl_install_attrs( ctx
,
196 rmesa
->radeon
.swtcl
.vertex_attrs
,
197 rmesa
->radeon
.swtcl
.vertex_attr_count
,
199 rmesa
->radeon
.swtcl
.vertex_size
/= 4;
200 RENDERINPUTS_COPY( rmesa
->radeon
.tnl_index_bitset
, index_bitset
);
205 static void r200RenderStart( GLcontext
*ctx
)
207 r200SetVertexFormat( ctx
);
212 * Set vertex state for SW TCL. The primary purpose of this function is to
213 * determine in advance whether or not the hardware can / should do the
214 * projection divide or Mesa should do it.
216 void r200ChooseVertexState( GLcontext
*ctx
)
218 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
219 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
223 /* We must ensure that we don't do _tnl_need_projected_coords while in a
224 * rasterization fallback. As this function will be called again when we
225 * leave a rasterization fallback, we can just skip it for now.
227 if (rmesa
->radeon
.Fallback
!= 0)
230 vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
231 vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
233 /* HW perspective divide is a win, but tiny vertex formats are a
236 if (!RENDERINPUTS_TEST_RANGE( tnl
->render_inputs_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)
237 || (ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
))) {
238 rmesa
->swtcl
.needproj
= GL_TRUE
;
239 vte
|= R200_VTX_XY_FMT
| R200_VTX_Z_FMT
;
240 vte
&= ~R200_VTX_W0_FMT
;
241 if (RENDERINPUTS_TEST_RANGE( tnl
->render_inputs_bitset
, _TNL_FIRST_TEX
, _TNL_LAST_TEX
)) {
242 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
245 vap
|= R200_VAP_FORCE_W_TO_ONE
;
249 rmesa
->swtcl
.needproj
= GL_FALSE
;
250 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
251 vte
|= R200_VTX_W0_FMT
;
252 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
255 _tnl_need_projected_coords( ctx
, rmesa
->swtcl
.needproj
);
257 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
258 R200_STATECHANGE( rmesa
, vte
);
259 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
262 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
263 R200_STATECHANGE( rmesa
, vap
);
264 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
268 void r200_swtcl_flush(GLcontext
*ctx
, uint32_t current_offset
)
270 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
271 rcommonEnsureCmdBufSpace(&rmesa
->radeon
,
272 rmesa
->radeon
.hw
.max_state_size
+ (12*sizeof(int)),
276 radeonEmitState(&rmesa
->radeon
);
277 r200EmitVertexAOS( rmesa
,
278 rmesa
->radeon
.swtcl
.vertex_size
,
279 rmesa
->radeon
.dma
.current
,
283 r200EmitVbufPrim( rmesa
,
284 rmesa
->radeon
.swtcl
.hw_primitive
,
285 rmesa
->radeon
.swtcl
.numverts
);
289 /**************************************************************************/
292 static INLINE GLuint
reduced_hw_prim( GLcontext
*ctx
, GLuint prim
)
296 return (ctx
->Point
.PointSprite
||
297 ((ctx
->_TriangleCaps
& (DD_POINT_SIZE
| DD_POINT_ATTEN
)) &&
298 !(ctx
->_TriangleCaps
& (DD_POINT_SMOOTH
)))) ?
299 R200_VF_PRIM_POINT_SPRITES
: R200_VF_PRIM_POINTS
;
305 return R200_VF_PRIM_LINES
;
307 /* all others reduced to triangles */
308 return R200_VF_PRIM_TRIANGLES
;
313 static void r200RasterPrimitive( GLcontext
*ctx
, GLuint hwprim
);
314 static void r200RenderPrimitive( GLcontext
*ctx
, GLenum prim
);
315 static void r200ResetLineStipple( GLcontext
*ctx
);
317 /***********************************************************************
318 * Emit primitives as inline vertices *
319 ***********************************************************************/
321 #define HAVE_POINTS 1
323 #define HAVE_LINE_STRIPS 1
324 #define HAVE_TRIANGLES 1
325 #define HAVE_TRI_STRIPS 1
326 #define HAVE_TRI_STRIP_1 0
327 #define HAVE_TRI_FANS 1
329 #define HAVE_QUAD_STRIPS 0
330 #define HAVE_POLYGONS 1
335 #define CTX_ARG r200ContextPtr rmesa
336 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
337 #define ALLOC_VERTS( n, size ) rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 )
339 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
340 const char *r200verts = (char *)rmesa->radeon.swtcl.verts;
341 #define VERT(x) (radeonVertex *)(r200verts + ((x) * vertsize * sizeof(int)))
342 #define VERTEX radeonVertex
343 #define DO_DEBUG_VERTS (1 && (R200_DEBUG & DEBUG_VERTS))
346 #define TAG(x) r200_##x
347 #include "tnl_dd/t_dd_triemit.h"
350 /***********************************************************************
351 * Macros for t_dd_tritmp.h to draw basic primitives *
352 ***********************************************************************/
354 #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d )
355 #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c )
356 #define LINE( a, b ) r200_line( rmesa, a, b )
357 #define POINT( a ) r200_point( rmesa, a )
359 /***********************************************************************
360 * Build render functions from dd templates *
361 ***********************************************************************/
363 #define R200_TWOSIDE_BIT 0x01
364 #define R200_UNFILLED_BIT 0x02
365 #define R200_MAX_TRIFUNC 0x04
369 tnl_points_func points
;
371 tnl_triangle_func triangle
;
373 } rast_tab
[R200_MAX_TRIFUNC
];
376 #define DO_FALLBACK 0
377 #define DO_UNFILLED (IND & R200_UNFILLED_BIT)
378 #define DO_TWOSIDE (IND & R200_TWOSIDE_BIT)
385 #define DO_FULL_QUAD 1
389 #define HAVE_BACK_COLORS 0
390 #define HAVE_HW_FLATSHADE 1
393 #define DEPTH_SCALE 1.0
394 #define UNFILLED_TRI unfilled_tri
395 #define UNFILLED_QUAD unfilled_quad
396 #define VERT_X(_v) _v->v.x
397 #define VERT_Y(_v) _v->v.y
398 #define VERT_Z(_v) _v->v.z
399 #define AREA_IS_CCW( a ) (a < 0)
400 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
402 #define VERT_SET_RGBA( v, c ) \
404 radeon_color_t *color = (radeon_color_t *)&((v)->ui[coloroffset]); \
405 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
406 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
407 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
408 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
411 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
413 #define VERT_SET_SPEC( v, c ) \
416 radeon_color_t *spec = (radeon_color_t *)&((v)->ui[specoffset]); \
417 UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \
418 UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \
419 UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \
422 #define VERT_COPY_SPEC( v0, v1 ) \
425 radeon_color_t *spec0 = (radeon_color_t *)&((v0)->ui[specoffset]); \
426 radeon_color_t *spec1 = (radeon_color_t *)&((v1)->ui[specoffset]); \
427 spec0->red = spec1->red; \
428 spec0->green = spec1->green; \
429 spec0->blue = spec1->blue; \
433 /* These don't need LE32_TO_CPU() as they used to save and restore
434 * colors which are already in the correct format.
436 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
437 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
438 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
439 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
445 #define LOCAL_VARS(n) \
446 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
447 GLuint color[n], spec[n]; \
448 GLuint coloroffset = rmesa->swtcl.coloroffset; \
449 GLuint specoffset = rmesa->swtcl.specoffset; \
450 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
452 /***********************************************************************
453 * Helpers for rendering unfilled primitives *
454 ***********************************************************************/
456 #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) )
457 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
460 #include "tnl_dd/t_dd_unfilled.h"
464 /***********************************************************************
465 * Generate GL render functions *
466 ***********************************************************************/
471 #include "tnl_dd/t_dd_tritmp.h"
473 #define IND (R200_TWOSIDE_BIT)
474 #define TAG(x) x##_twoside
475 #include "tnl_dd/t_dd_tritmp.h"
477 #define IND (R200_UNFILLED_BIT)
478 #define TAG(x) x##_unfilled
479 #include "tnl_dd/t_dd_tritmp.h"
481 #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT)
482 #define TAG(x) x##_twoside_unfilled
483 #include "tnl_dd/t_dd_tritmp.h"
486 static void init_rast_tab( void )
491 init_twoside_unfilled();
494 /**********************************************************************/
495 /* Render unclipped begin/end objects */
496 /**********************************************************************/
498 #define RENDER_POINTS( start, count ) \
499 for ( ; start < count ; start++) \
500 r200_point( rmesa, VERT(start) )
501 #define RENDER_LINE( v0, v1 ) \
502 r200_line( rmesa, VERT(v0), VERT(v1) )
503 #define RENDER_TRI( v0, v1, v2 ) \
504 r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
505 #define RENDER_QUAD( v0, v1, v2, v3 ) \
506 r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
507 #define INIT(x) do { \
508 r200RenderPrimitive( ctx, x ); \
512 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
513 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
514 const char *r200verts = (char *)rmesa->radeon.swtcl.verts; \
515 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
516 const GLboolean stipple = ctx->Line.StippleFlag; \
517 (void) elt; (void) stipple;
518 #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx );
519 #define RESET_OCCLUSION
520 #define PRESERVE_VB_DEFS
522 #define TAG(x) r200_##x##_verts
523 #include "tnl/t_vb_rendertmp.h"
526 #define TAG(x) r200_##x##_elts
527 #define ELT(x) elt[x]
528 #include "tnl/t_vb_rendertmp.h"
532 /**********************************************************************/
533 /* Choose render functions */
534 /**********************************************************************/
536 void r200ChooseRenderState( GLcontext
*ctx
)
538 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
539 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
541 GLuint flags
= ctx
->_TriangleCaps
;
543 if (!rmesa
->radeon
.TclFallback
|| rmesa
->radeon
.Fallback
)
546 if (flags
& DD_TRI_LIGHT_TWOSIDE
) index
|= R200_TWOSIDE_BIT
;
547 if (flags
& DD_TRI_UNFILLED
) index
|= R200_UNFILLED_BIT
;
549 if (index
!= rmesa
->radeon
.swtcl
.RenderIndex
) {
550 tnl
->Driver
.Render
.Points
= rast_tab
[index
].points
;
551 tnl
->Driver
.Render
.Line
= rast_tab
[index
].line
;
552 tnl
->Driver
.Render
.ClippedLine
= rast_tab
[index
].line
;
553 tnl
->Driver
.Render
.Triangle
= rast_tab
[index
].triangle
;
554 tnl
->Driver
.Render
.Quad
= rast_tab
[index
].quad
;
557 tnl
->Driver
.Render
.PrimTabVerts
= r200_render_tab_verts
;
558 tnl
->Driver
.Render
.PrimTabElts
= r200_render_tab_elts
;
559 tnl
->Driver
.Render
.ClippedPolygon
= r200_fast_clipped_poly
;
561 tnl
->Driver
.Render
.PrimTabVerts
= _tnl_render_tab_verts
;
562 tnl
->Driver
.Render
.PrimTabElts
= _tnl_render_tab_elts
;
563 tnl
->Driver
.Render
.ClippedPolygon
= _tnl_RenderClippedPolygon
;
566 rmesa
->radeon
.swtcl
.RenderIndex
= index
;
571 /**********************************************************************/
572 /* High level hooks for t_vb_render.c */
573 /**********************************************************************/
576 static void r200RasterPrimitive( GLcontext
*ctx
, GLuint hwprim
)
578 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
580 if (rmesa
->radeon
.swtcl
.hw_primitive
!= hwprim
) {
581 /* need to disable perspective-correct texturing for point sprites */
582 if ((hwprim
& 0xf) == R200_VF_PRIM_POINT_SPRITES
&& ctx
->Point
.PointSprite
) {
583 if (rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] & R200_PERSPECTIVE_ENABLE
) {
584 R200_STATECHANGE( rmesa
, set
);
585 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_PERSPECTIVE_ENABLE
;
588 else if (!(rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] & R200_PERSPECTIVE_ENABLE
)) {
589 R200_STATECHANGE( rmesa
, set
);
590 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_PERSPECTIVE_ENABLE
;
592 R200_NEWPRIM( rmesa
);
593 rmesa
->radeon
.swtcl
.hw_primitive
= hwprim
;
597 static void r200RenderPrimitive( GLcontext
*ctx
, GLenum prim
)
599 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
600 rmesa
->radeon
.swtcl
.render_primitive
= prim
;
601 if (prim
< GL_TRIANGLES
|| !(ctx
->_TriangleCaps
& DD_TRI_UNFILLED
))
602 r200RasterPrimitive( ctx
, reduced_hw_prim(ctx
, prim
) );
605 static void r200RenderFinish( GLcontext
*ctx
)
609 static void r200ResetLineStipple( GLcontext
*ctx
)
611 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
612 R200_STATECHANGE( rmesa
, lin
);
616 /**********************************************************************/
617 /* Transition to/from hardware rasterization. */
618 /**********************************************************************/
620 static const char * const fallbackStrings
[] = {
622 "glDrawBuffer(GL_FRONT_AND_BACK)",
623 "glEnable(GL_STENCIL) without hw stencil buffer",
624 "glRenderMode(selection or feedback)",
626 "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)"
630 static const char *getFallbackString(GLuint bit
)
637 return fallbackStrings
[i
];
641 void r200Fallback( GLcontext
*ctx
, GLuint bit
, GLboolean mode
)
643 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
644 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
645 GLuint oldfallback
= rmesa
->radeon
.Fallback
;
648 rmesa
->radeon
.Fallback
|= bit
;
649 if (oldfallback
== 0) {
650 radeon_firevertices(&rmesa
->radeon
);
651 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_TRUE
);
652 _swsetup_Wakeup( ctx
);
653 rmesa
->radeon
.swtcl
.RenderIndex
= ~0;
654 if (R200_DEBUG
& DEBUG_FALLBACKS
) {
655 fprintf(stderr
, "R200 begin rasterization fallback: 0x%x %s\n",
656 bit
, getFallbackString(bit
));
661 rmesa
->radeon
.Fallback
&= ~bit
;
662 if (oldfallback
== bit
) {
664 _swrast_flush( ctx
);
665 tnl
->Driver
.Render
.Start
= r200RenderStart
;
666 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
667 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
669 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
670 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
671 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
673 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
674 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_RASTER
, GL_FALSE
);
675 if (rmesa
->radeon
.TclFallback
) {
676 /* These are already done if rmesa->radeon.TclFallback goes to
677 * zero above. But not if it doesn't (R200_NO_TCL for
680 _tnl_invalidate_vertex_state( ctx
, ~0 );
681 _tnl_invalidate_vertices( ctx
, ~0 );
682 RENDERINPUTS_ZERO( rmesa
->radeon
.tnl_index_bitset
);
683 r200ChooseVertexState( ctx
);
684 r200ChooseRenderState( ctx
);
686 if (R200_DEBUG
& DEBUG_FALLBACKS
) {
687 fprintf(stderr
, "R200 end rasterization fallback: 0x%x %s\n",
688 bit
, getFallbackString(bit
));
698 * Cope with depth operations by drawing individual pixels as points.
701 * The way the vertex state is set in this routine is hokey. It seems to
702 * work, but it's very hackish. This whole routine is pretty hackish. If
703 * the bitmap is small enough, it seems like it would be faster to copy it
704 * to AGP memory and use it as a non-power-of-two texture (i.e.,
705 * NV_texture_rectangle).
708 r200PointsBitmap( GLcontext
*ctx
, GLint px
, GLint py
,
709 GLsizei width
, GLsizei height
,
710 const struct gl_pixelstore_attrib
*unpack
,
711 const GLubyte
*bitmap
)
713 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
714 const GLfloat
*rc
= ctx
->Current
.RasterColor
;
723 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 1 );
725 /* Choose tiny vertex format
728 const GLuint fmt_0
= R200_VTX_XY
| R200_VTX_Z0
| R200_VTX_W0
729 | (R200_VTX_PK_RGBA
<< R200_VTX_COLOR_0_SHIFT
);
730 const GLuint fmt_1
= 0;
731 GLuint vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
732 GLuint vap
= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
];
734 vte
&= ~(R200_VTX_XY_FMT
| R200_VTX_Z_FMT
);
735 vte
|= R200_VTX_W0_FMT
;
736 vap
&= ~R200_VAP_FORCE_W_TO_ONE
;
738 rmesa
->radeon
.swtcl
.vertex_size
= 5;
740 if ( (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] != fmt_0
)
741 || (rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] != fmt_1
) ) {
743 R200_STATECHANGE( rmesa
, vtx
);
744 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
745 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_1
] = fmt_1
;
748 if (vte
!= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
]) {
749 R200_STATECHANGE( rmesa
, vte
);
750 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = vte
;
753 if (vap
!= rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
]) {
754 R200_STATECHANGE( rmesa
, vap
);
755 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] = vap
;
759 /* Ready for point primitives:
761 r200RenderPrimitive( ctx
, GL_POINTS
);
763 /* Turn off the hw viewport transformation:
765 R200_STATECHANGE( rmesa
, vte
);
766 orig_vte
= rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
];
767 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] &= ~(R200_VPORT_X_SCALE_ENA
|
768 R200_VPORT_Y_SCALE_ENA
|
769 R200_VPORT_Z_SCALE_ENA
|
770 R200_VPORT_X_OFFSET_ENA
|
771 R200_VPORT_Y_OFFSET_ENA
|
772 R200_VPORT_Z_OFFSET_ENA
);
774 /* Turn off other stuff: Stipple?, texture?, blending?, etc.
778 /* Populate the vertex
780 * Incorporate FOG into RGBA
782 if (ctx
->Fog
.Enabled
) {
783 const GLfloat
*fc
= ctx
->Fog
.Color
;
787 if (ctx
->Fog
.FogCoordinateSource
== GL_FOG_COORDINATE_EXT
)
788 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.Attrib
[VERT_ATTRIB_FOG
][0]);
790 f
= _swrast_z_to_fogfactor(ctx
, ctx
->Current
.RasterDistance
);
792 color
[0] = f
* rc
[0] + (1.F
- f
) * fc
[0];
793 color
[1] = f
* rc
[1] + (1.F
- f
) * fc
[1];
794 color
[2] = f
* rc
[2] + (1.F
- f
) * fc
[2];
797 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, color
[0]);
798 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, color
[1]);
799 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, color
[2]);
800 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, color
[3]);
803 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.red
, rc
[0]);
804 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.green
, rc
[1]);
805 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.blue
, rc
[2]);
806 UNCLAMPED_FLOAT_TO_CHAN(vert
.tv
.color
.alpha
, rc
[3]);
810 vert
.tv
.z
= ctx
->Current
.RasterPos
[2];
813 /* Update window height
815 LOCK_HARDWARE( &rmesa
->radeon
);
816 UNLOCK_HARDWARE( &rmesa
->radeon
);
817 h
= rmesa
->radeon
.dri
.drawable
->h
+ rmesa
->radeon
.dri
.drawable
->y
;
818 px
+= rmesa
->radeon
.dri
.drawable
->x
;
820 /* Clipping handled by existing mechansims in r200_ioctl.c?
822 for (row
=0; row
<height
; row
++) {
823 const GLubyte
*src
= (const GLubyte
*)
824 _mesa_image_address2d(unpack
, bitmap
, width
, height
,
825 GL_COLOR_INDEX
, GL_BITMAP
, row
, 0 );
827 if (unpack
->LsbFirst
) {
829 GLubyte mask
= 1U << (unpack
->SkipPixels
& 0x7);
830 for (col
=0; col
<width
; col
++) {
833 vert
.tv
.y
= h
- (py
+row
) - 1;
834 r200_point( rmesa
, &vert
);
837 mask
= ((mask
<< 1) & 0xff) | (mask
>> 7);
840 /* get ready for next row */
846 GLubyte mask
= 128U >> (unpack
->SkipPixels
& 0x7);
847 for (col
=0; col
<width
; col
++) {
850 vert
.tv
.y
= h
- (py
+row
) - 1;
851 r200_point( rmesa
, &vert
);
854 mask
= ((mask
<< 7) & 0xff) | (mask
>> 1);
856 /* get ready for next row */
862 /* Fire outstanding vertices, restore state
864 R200_STATECHANGE( rmesa
, vte
);
865 rmesa
->hw
.vte
.cmd
[VTE_SE_VTE_CNTL
] = orig_vte
;
869 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_BITMAP
, 0 );
871 /* Need to restore vertexformat?
873 if (rmesa
->radeon
.TclFallback
)
874 r200ChooseVertexState( ctx
);
879 /**********************************************************************/
880 /* Initialization. */
881 /**********************************************************************/
883 void r200InitSwtcl( GLcontext
*ctx
)
885 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
886 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
887 static int firsttime
= 1;
894 tnl
->Driver
.Render
.Start
= r200RenderStart
;
895 tnl
->Driver
.Render
.Finish
= r200RenderFinish
;
896 tnl
->Driver
.Render
.PrimitiveNotify
= r200RenderPrimitive
;
897 tnl
->Driver
.Render
.ResetLineStipple
= r200ResetLineStipple
;
898 tnl
->Driver
.Render
.BuildVertices
= _tnl_build_vertices
;
899 tnl
->Driver
.Render
.CopyPV
= _tnl_copy_pv
;
900 tnl
->Driver
.Render
.Interp
= _tnl_interp
;
902 /* FIXME: what are these numbers? */
903 _tnl_init_vertices( ctx
, ctx
->Const
.MaxArrayLockSize
+ 12,
904 36 * sizeof(GLfloat
) );
906 rmesa
->radeon
.swtcl
.verts
= (GLubyte
*)tnl
->clipspace
.vertex_buf
;
907 rmesa
->radeon
.swtcl
.RenderIndex
= ~0;
908 rmesa
->radeon
.swtcl
.render_primitive
= GL_TRIANGLES
;
909 rmesa
->radeon
.swtcl
.hw_primitive
= 0;
913 void r200DestroySwtcl( GLcontext
*ctx
)