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"
42 #include "main/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 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->AttribPtr[_TNL_ATTRIB_TEX0 + 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 );
203 static void r200_predict_emit_size( r200ContextPtr rmesa )
205 if (RADEON_DEBUG & RADEON_VERTS)
206 fprintf(stderr, "%s\n", __func__);
207 const int vertex_array_size = 7;
208 const int prim_size = 3;
209 if (!rmesa->radeon.swtcl.emit_prediction) {
210 const int state_size = radeonCountStateEmitSize(&rmesa->radeon);
211 if (rcommonEnsureCmdBufSpace(&rmesa->radeon,
213 vertex_array_size + prim_size,
215 rmesa->radeon.swtcl.emit_prediction = radeonCountStateEmitSize(&rmesa->radeon);
217 rmesa->radeon.swtcl.emit_prediction = state_size;
218 rmesa->radeon.swtcl.emit_prediction += vertex_array_size + prim_size
219 + rmesa->radeon.cmdbuf.cs->cdw;
224 static void r200RenderStart( struct gl_context *ctx )
226 r200SetVertexFormat( ctx );
227 if (RADEON_DEBUG & RADEON_VERTS)
228 fprintf(stderr, "%s\n", __func__);
233 * Set vertex state for SW TCL. The primary purpose of this function is to
234 * determine in advance whether or not the hardware can / should do the
235 * projection divide or Mesa should do it.
237 void r200ChooseVertexState( struct gl_context *ctx )
239 r200ContextPtr rmesa = R200_CONTEXT( ctx );
240 TNLcontext *tnl = TNL_CONTEXT(ctx);
244 /* We must ensure that we don't do _tnl_need_projected_coords while in a
245 * rasterization fallback. As this function will be called again when we
246 * leave a rasterization fallback, we can just skip it for now.
248 if (rmesa->radeon.Fallback != 0)
251 vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
252 vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL];
254 /* HW perspective divide is a win, but tiny vertex formats are a
257 if (!RENDERINPUTS_TEST_RANGE( tnl->render_inputs_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )
258 || (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
259 rmesa->swtcl.needproj = GL_TRUE;
260 vte |= R200_VTX_XY_FMT | R200_VTX_Z_FMT;
261 vte &= ~R200_VTX_W0_FMT;
262 if (RENDERINPUTS_TEST_RANGE( tnl->render_inputs_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) {
263 vap &= ~R200_VAP_FORCE_W_TO_ONE;
266 vap |= R200_VAP_FORCE_W_TO_ONE;
270 rmesa->swtcl.needproj = GL_FALSE;
271 vte &= ~(R200_VTX_XY_FMT | R200_VTX_Z_FMT);
272 vte |= R200_VTX_W0_FMT;
273 vap &= ~R200_VAP_FORCE_W_TO_ONE;
276 _tnl_need_projected_coords( ctx, rmesa->swtcl.needproj );
278 if (vte != rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]) {
279 R200_STATECHANGE( rmesa, vte );
280 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = vte;
283 if (vap != rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]) {
284 R200_STATECHANGE( rmesa, vap );
285 rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = vap;
289 void r200_swtcl_flush(struct gl_context *ctx, uint32_t current_offset)
291 r200ContextPtr rmesa = R200_CONTEXT(ctx);
292 if (RADEON_DEBUG & RADEON_VERTS)
293 fprintf(stderr, "%s\n", __func__);
296 radeonEmitState(&rmesa->radeon);
297 r200EmitVertexAOS( rmesa,
298 rmesa->radeon.swtcl.vertex_size,
299 rmesa->radeon.swtcl.bo,
303 r200EmitVbufPrim( rmesa,
304 rmesa->radeon.swtcl.hw_primitive,
305 rmesa->radeon.swtcl.numverts);
306 if ( rmesa->radeon.swtcl.emit_prediction < rmesa->radeon.cmdbuf.cs->cdw )
307 WARN_ONCE("Rendering was %d commands larger than predicted size."
308 " We might overflow command buffer.\n",
309 rmesa->radeon.cmdbuf.cs->cdw - rmesa->radeon.swtcl.emit_prediction );
311 rmesa->radeon.swtcl.emit_prediction = 0;
315 /**************************************************************************/
318 static INLINE GLuint reduced_hw_prim( struct gl_context *ctx, GLuint prim)
322 return (((R200_CONTEXT(ctx))->radeon.radeonScreen->drmSupportsPointSprites &&
323 !(ctx->_TriangleCaps & DD_POINT_SMOOTH)) ?
324 R200_VF_PRIM_POINT_SPRITES : R200_VF_PRIM_POINTS);
330 return R200_VF_PRIM_LINES;
332 /* all others reduced to triangles */
333 return R200_VF_PRIM_TRIANGLES;
338 static void r200RasterPrimitive( struct gl_context *ctx, GLuint hwprim );
339 static void r200RenderPrimitive( struct gl_context *ctx, GLenum prim );
340 static void r200ResetLineStipple( struct gl_context *ctx );
342 /***********************************************************************
343 * Emit primitives as inline vertices *
344 ***********************************************************************/
346 #define HAVE_POINTS 1
348 #define HAVE_LINE_STRIPS 1
349 #define HAVE_TRIANGLES 1
350 #define HAVE_TRI_STRIPS 1
351 #define HAVE_TRI_STRIP_1 0
352 #define HAVE_TRI_FANS 1
354 #define HAVE_QUAD_STRIPS 0
355 #define HAVE_POLYGONS 1
358 static void* r200_alloc_verts( r200ContextPtr rmesa, GLuint n, GLuint size)
362 r200_predict_emit_size( rmesa );
363 rv = rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 );
370 #define CTX_ARG r200ContextPtr rmesa
371 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
372 #define ALLOC_VERTS( n, size ) r200_alloc_verts(rmesa, n, size)
374 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
375 const char *r200verts = (char *)rmesa->radeon.swtcl.verts;
376 #define VERT(x) (radeonVertex *)(r200verts + ((x) * vertsize * sizeof(int)))
377 #define VERTEX radeonVertex
378 #define DO_DEBUG_VERTS (1 && (R200_DEBUG & RADEON_VERTS))
381 #define TAG(x) r200_##x
382 #include "tnl_dd/t_dd_triemit.h"
385 /***********************************************************************
386 * Macros for t_dd_tritmp.h to draw basic primitives *
387 ***********************************************************************/
389 #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d )
390 #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c )
391 #define LINE( a, b ) r200_line( rmesa, a, b )
392 #define POINT( a ) r200_point( rmesa, a )
394 /***********************************************************************
395 * Build render functions from dd templates *
396 ***********************************************************************/
398 #define R200_TWOSIDE_BIT 0x01
399 #define R200_UNFILLED_BIT 0x02
400 #define R200_MAX_TRIFUNC 0x04
404 tnl_points_func points;
406 tnl_triangle_func triangle;
408 } rast_tab[R200_MAX_TRIFUNC];
411 #define DO_FALLBACK 0
412 #define DO_UNFILLED (IND & R200_UNFILLED_BIT)
413 #define DO_TWOSIDE (IND & R200_TWOSIDE_BIT)
420 #define DO_FULL_QUAD 1
423 #define HAVE_BACK_COLORS 0
424 #define HAVE_HW_FLATSHADE 1
427 #define DEPTH_SCALE 1.0
428 #define UNFILLED_TRI unfilled_tri
429 #define UNFILLED_QUAD unfilled_quad
430 #define VERT_X(_v) _v->v.x
431 #define VERT_Y(_v) _v->v.y
432 #define VERT_Z(_v) _v->v.z
433 #define AREA_IS_CCW( a ) (a < 0)
434 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
436 #define VERT_SET_RGBA( v, c ) \
438 radeon_color_t *color = (radeon_color_t *)&((v)->ui[coloroffset]); \
439 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
440 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
441 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
442 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
445 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
447 #define VERT_SET_SPEC( v, c ) \
450 radeon_color_t *spec = (radeon_color_t *)&((v)->ui[specoffset]); \
451 UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \
452 UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \
453 UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \
456 #define VERT_COPY_SPEC( v0, v1 ) \
459 radeon_color_t *spec0 = (radeon_color_t *)&((v0)->ui[specoffset]); \
460 radeon_color_t *spec1 = (radeon_color_t *)&((v1)->ui[specoffset]); \
461 spec0->red = spec1->red; \
462 spec0->green = spec1->green; \
463 spec0->blue = spec1->blue; \
467 /* These don't need LE32_TO_CPU() as they used to save and restore
468 * colors which are already in the correct format.
470 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
471 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
472 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
473 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
479 #define LOCAL_VARS(n) \
480 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
481 GLuint color[n] = {0}, spec[n] = {0}; \
482 GLuint coloroffset = rmesa->swtcl.coloroffset; \
483 GLuint specoffset = rmesa->swtcl.specoffset; \
484 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
486 /***********************************************************************
487 * Helpers for rendering unfilled primitives *
488 ***********************************************************************/
490 #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) )
491 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
494 #include "tnl_dd/t_dd_unfilled.h"
498 /***********************************************************************
499 * Generate GL render functions *
500 ***********************************************************************/
505 #include "tnl_dd/t_dd_tritmp.h"
507 #define IND (R200_TWOSIDE_BIT)
508 #define TAG(x) x##_twoside
509 #include "tnl_dd/t_dd_tritmp.h"
511 #define IND (R200_UNFILLED_BIT)
512 #define TAG(x) x##_unfilled
513 #include "tnl_dd/t_dd_tritmp.h"
515 #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT)
516 #define TAG(x) x##_twoside_unfilled
517 #include "tnl_dd/t_dd_tritmp.h"
520 static void init_rast_tab( void )
525 init_twoside_unfilled();
528 /**********************************************************************/
529 /* Render unclipped begin/end objects */
530 /**********************************************************************/
532 #define RENDER_POINTS( start, count ) \
533 for ( ; start < count ; start++) \
534 r200_point( rmesa, VERT(start) )
535 #define RENDER_LINE( v0, v1 ) \
536 r200_line( rmesa, VERT(v0), VERT(v1) )
537 #define RENDER_TRI( v0, v1, v2 ) \
538 r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
539 #define RENDER_QUAD( v0, v1, v2, v3 ) \
540 r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
541 #define INIT(x) do { \
542 r200RenderPrimitive( ctx, x ); \
546 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
547 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
548 const char *r200verts = (char *)rmesa->radeon.swtcl.verts; \
549 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
550 const GLboolean stipple = ctx->Line.StippleFlag; \
551 (void) elt; (void) stipple;
552 #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx );
553 #define RESET_OCCLUSION
554 #define PRESERVE_VB_DEFS
556 #define TAG(x) r200_##x##_verts
557 #include "tnl/t_vb_rendertmp.h"
560 #define TAG(x) r200_##x##_elts
561 #define ELT(x) elt[x]
562 #include "tnl/t_vb_rendertmp.h"
566 /**********************************************************************/
567 /* Choose render functions */
568 /**********************************************************************/
570 void r200ChooseRenderState( struct gl_context *ctx )
572 TNLcontext *tnl = TNL_CONTEXT(ctx);
573 r200ContextPtr rmesa = R200_CONTEXT(ctx);
575 GLuint flags = ctx->_TriangleCaps;
577 if (!rmesa->radeon.TclFallback || rmesa->radeon.Fallback)
580 if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R200_TWOSIDE_BIT;
581 if (flags & DD_TRI_UNFILLED) index |= R200_UNFILLED_BIT;
583 if (index != rmesa->radeon.swtcl.RenderIndex) {
584 tnl->Driver.Render.Points = rast_tab[index].points;
585 tnl->Driver.Render.Line = rast_tab[index].line;
586 tnl->Driver.Render.ClippedLine = rast_tab[index].line;
587 tnl->Driver.Render.Triangle = rast_tab[index].triangle;
588 tnl->Driver.Render.Quad = rast_tab[index].quad;
591 tnl->Driver.Render.PrimTabVerts = r200_render_tab_verts;
592 tnl->Driver.Render.PrimTabElts = r200_render_tab_elts;
593 tnl->Driver.Render.ClippedPolygon = r200_fast_clipped_poly;
595 tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
596 tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
597 tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
600 rmesa->radeon.swtcl.RenderIndex = index;
605 /**********************************************************************/
606 /* High level hooks for t_vb_render.c */
607 /**********************************************************************/
610 static void r200RasterPrimitive( struct gl_context *ctx, GLuint hwprim )
612 r200ContextPtr rmesa = R200_CONTEXT(ctx);
614 radeon_prepare_render(&rmesa->radeon);
615 if (rmesa->radeon.NewGLState)
616 r200ValidateState( ctx );
619 if (rmesa->radeon.swtcl.hw_primitive != hwprim) {
620 /* need to disable perspective-correct texturing for point sprites */
621 if ((hwprim & 0xf) == R200_VF_PRIM_POINT_SPRITES && ctx->Point.PointSprite) {
622 if (rmesa->hw.set.cmd[SET_RE_CNTL] & R200_PERSPECTIVE_ENABLE) {
623 R200_STATECHANGE( rmesa, set );
624 rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_PERSPECTIVE_ENABLE;
627 else if (!(rmesa->hw.set.cmd[SET_RE_CNTL] & R200_PERSPECTIVE_ENABLE)) {
628 R200_STATECHANGE( rmesa, set );
629 rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_PERSPECTIVE_ENABLE;
631 R200_NEWPRIM( rmesa );
632 rmesa->radeon.swtcl.hw_primitive = hwprim;
636 static void r200RenderPrimitive( struct gl_context *ctx, GLenum prim )
638 r200ContextPtr rmesa = R200_CONTEXT(ctx);
639 rmesa->radeon.swtcl.render_primitive = prim;
640 if (prim < GL_TRIANGLES || !(ctx->_TriangleCaps & DD_TRI_UNFILLED))
641 r200RasterPrimitive( ctx, reduced_hw_prim(ctx, prim) );
644 static void r200RenderFinish( struct gl_context *ctx )
648 static void r200ResetLineStipple( struct gl_context *ctx )
650 r200ContextPtr rmesa = R200_CONTEXT(ctx);
651 R200_STATECHANGE( rmesa, lin );
655 /**********************************************************************/
656 /* Transition to/from hardware rasterization. */
657 /**********************************************************************/
659 static const char * const fallbackStrings[] = {
661 "glDrawBuffer(GL_FRONT_AND_BACK)",
662 "glEnable(GL_STENCIL) without hw stencil buffer",
663 "glRenderMode(selection or feedback)",
665 "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)"
669 static const char *getFallbackString(GLuint bit)
676 return fallbackStrings[i];
680 void r200Fallback( struct gl_context *ctx, GLuint bit, GLboolean mode )
682 r200ContextPtr rmesa = R200_CONTEXT(ctx);
683 TNLcontext *tnl = TNL_CONTEXT(ctx);
684 GLuint oldfallback = rmesa->radeon.Fallback;
687 rmesa->radeon.Fallback |= bit;
688 if (oldfallback == 0) {
689 radeon_firevertices(&rmesa->radeon);
690 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_TRUE );
691 _swsetup_Wakeup( ctx );
692 rmesa->radeon.swtcl.RenderIndex = ~0;
693 if (R200_DEBUG & RADEON_FALLBACKS) {
694 fprintf(stderr, "R200 begin rasterization fallback: 0x%x %s\n",
695 bit, getFallbackString(bit));
700 rmesa->radeon.Fallback &= ~bit;
701 if (oldfallback == bit) {
703 _swrast_flush( ctx );
704 tnl->Driver.Render.Start = r200RenderStart;
705 tnl->Driver.Render.PrimitiveNotify = r200RenderPrimitive;
706 tnl->Driver.Render.Finish = r200RenderFinish;
708 tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
709 tnl->Driver.Render.CopyPV = _tnl_copy_pv;
710 tnl->Driver.Render.Interp = _tnl_interp;
712 tnl->Driver.Render.ResetLineStipple = r200ResetLineStipple;
713 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_FALSE );
714 if (rmesa->radeon.TclFallback) {
715 /* These are already done if rmesa->radeon.TclFallback goes to
716 * zero above. But not if it doesn't (R200_NO_TCL for
719 _tnl_invalidate_vertex_state( ctx, ~0 );
720 _tnl_invalidate_vertices( ctx, ~0 );
721 RENDERINPUTS_ZERO( rmesa->radeon.tnl_index_bitset );
722 r200ChooseVertexState( ctx );
723 r200ChooseRenderState( ctx );
725 if (R200_DEBUG & RADEON_FALLBACKS) {
726 fprintf(stderr, "R200 end rasterization fallback: 0x%x %s\n",
727 bit, getFallbackString(bit));
737 * Cope with depth operations by drawing individual pixels as points.
740 * The way the vertex state is set in this routine is hokey. It seems to
741 * work, but it's very hackish. This whole routine is pretty hackish. If
742 * the bitmap is small enough, it seems like it would be faster to copy it
743 * to AGP memory and use it as a non-power-of-two texture (i.e.,
744 * NV_texture_rectangle).
747 r200PointsBitmap( struct gl_context *ctx, GLint px, GLint py,
748 GLsizei width, GLsizei height,
749 const struct gl_pixelstore_attrib *unpack,
750 const GLubyte *bitmap )
752 r200ContextPtr rmesa = R200_CONTEXT(ctx);
753 const GLfloat *rc = ctx->Current.RasterColor;
762 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_BITMAP, 1 );
764 /* Choose tiny vertex format
767 const GLuint fmt_0 = R200_VTX_XY | R200_VTX_Z0 | R200_VTX_W0
768 | (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT);
769 const GLuint fmt_1 = 0;
770 GLuint vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
771 GLuint vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL];
773 vte &= ~(R200_VTX_XY_FMT | R200_VTX_Z_FMT);
774 vte |= R200_VTX_W0_FMT;
775 vap &= ~R200_VAP_FORCE_W_TO_ONE;
777 rmesa->radeon.swtcl.vertex_size = 5;
779 if ( (rmesa->hw.vtx.cmd[VTX_VTXFMT_0] != fmt_0)
780 || (rmesa->hw.vtx.cmd[VTX_VTXFMT_1] != fmt_1) ) {
782 R200_STATECHANGE( rmesa, vtx );
783 rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0;
784 rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = fmt_1;
787 if (vte != rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]) {
788 R200_STATECHANGE( rmesa, vte );
789 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = vte;
792 if (vap != rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]) {
793 R200_STATECHANGE( rmesa, vap );
794 rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = vap;
798 /* Ready for point primitives:
800 r200RenderPrimitive( ctx, GL_POINTS );
802 /* Turn off the hw viewport transformation:
804 R200_STATECHANGE( rmesa, vte );
805 orig_vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
806 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] &= ~(R200_VPORT_X_SCALE_ENA |
807 R200_VPORT_Y_SCALE_ENA |
808 R200_VPORT_Z_SCALE_ENA |
809 R200_VPORT_X_OFFSET_ENA |
810 R200_VPORT_Y_OFFSET_ENA |
811 R200_VPORT_Z_OFFSET_ENA);
813 /* Turn off other stuff: Stipple?, texture?, blending?, etc.
817 /* Populate the vertex
819 * Incorporate FOG into RGBA
821 if (ctx->Fog.Enabled) {
822 const GLfloat *fc = ctx->Fog.Color;
826 if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
827 f = _swrast_z_to_fogfactor(ctx, ctx->Current.Attrib[VERT_ATTRIB_FOG][0]);
829 f = _swrast_z_to_fogfactor(ctx, ctx->Current.RasterDistance);
831 color[0] = f * rc[0] + (1.F - f) * fc[0];
832 color[1] = f * rc[1] + (1.F - f) * fc[1];
833 color[2] = f * rc[2] + (1.F - f) * fc[2];
836 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.red, color[0]);
837 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.green, color[1]);
838 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.blue, color[2]);
839 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.alpha, color[3]);
842 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.red, rc[0]);
843 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.green, rc[1]);
844 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.blue, rc[2]);
845 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.alpha, rc[3]);
849 vert.tv.z = ctx->Current.RasterPos[2];
852 /* Update window height
854 LOCK_HARDWARE( &rmesa->radeon );
855 UNLOCK_HARDWARE( &rmesa->radeon );
856 h = radeon_get_drawable(&rmesa->radeon)->h + radeon_get_drawable(&rmesa->radeon)->y;
857 px += radeon_get_drawable(&rmesa->radeon)->x;
859 /* Clipping handled by existing mechansims in r200_ioctl.c?
861 for (row=0; row<height; row++) {
862 const GLubyte *src = (const GLubyte *)
863 _mesa_image_address2d(unpack, bitmap, width, height,
864 GL_COLOR_INDEX, GL_BITMAP, row, 0 );
866 if (unpack->LsbFirst) {
868 GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
869 for (col=0; col<width; col++) {
872 vert.tv.y = h - (py+row) - 1;
873 r200_point( rmesa, &vert );
876 mask = ((mask << 1) & 0xff) | (mask >> 7);
879 /* get ready for next row */
885 GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
886 for (col=0; col<width; col++) {
889 vert.tv.y = h - (py+row) - 1;
890 r200_point( rmesa, &vert );
893 mask = ((mask << 7) & 0xff) | (mask >> 1);
895 /* get ready for next row */
901 /* Fire outstanding vertices, restore state
903 R200_STATECHANGE( rmesa, vte );
904 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = orig_vte;
908 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_BITMAP, 0 );
910 /* Need to restore vertexformat?
912 if (rmesa->radeon.TclFallback)
913 r200ChooseVertexState( ctx );
918 /**********************************************************************/
919 /* Initialization. */
920 /**********************************************************************/
922 void r200InitSwtcl( struct gl_context *ctx )
924 TNLcontext *tnl = TNL_CONTEXT(ctx);
925 r200ContextPtr rmesa = R200_CONTEXT(ctx);
926 static int firsttime = 1;
932 rmesa->radeon.swtcl.emit_prediction = 0;
934 tnl->Driver.Render.Start = r200RenderStart;
935 tnl->Driver.Render.Finish = r200RenderFinish;
936 tnl->Driver.Render.PrimitiveNotify = r200RenderPrimitive;
937 tnl->Driver.Render.ResetLineStipple = r200ResetLineStipple;
938 tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
939 tnl->Driver.Render.CopyPV = _tnl_copy_pv;
940 tnl->Driver.Render.Interp = _tnl_interp;
942 /* FIXME: what are these numbers? */
943 _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
944 36 * sizeof(GLfloat) );
946 rmesa->radeon.swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf;
947 rmesa->radeon.swtcl.RenderIndex = ~0;
948 rmesa->radeon.swtcl.render_primitive = GL_TRIANGLES;
949 rmesa->radeon.swtcl.hw_primitive = 0;