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 GLbitfield64 index_bitset = tnl->render_inputs_bitset;
90 if ( VB->NdcPtr != NULL ) {
91 VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
94 VB->AttribPtr[VERT_ATTRIB_POS] = VB->ClipPtr;
97 assert( VB->AttribPtr[VERT_ATTRIB_POS] != NULL );
98 rmesa->radeon.swtcl.vertex_attr_count = 0;
100 /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
101 * build up a hardware vertex.
103 if ( !rmesa->swtcl.needproj ||
104 (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX)) ) {
105 /* need w coord for projected textures */
106 EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F, R200_VTX_XY | R200_VTX_Z0 | R200_VTX_W0 );
110 EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F, R200_VTX_XY | R200_VTX_Z0 );
114 if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_POINTSIZE)) {
115 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, R200_VTX_POINT_SIZE );
119 rmesa->swtcl.coloroffset = offset;
120 #if MESA_LITTLE_ENDIAN
121 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT) );
123 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_ABGR, (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT) );
127 rmesa->swtcl.specoffset = 0;
129 (BITFIELD64_BIT(_TNL_ATTRIB_COLOR1) | BITFIELD64_BIT(_TNL_ATTRIB_FOG))) {
131 #if MESA_LITTLE_ENDIAN
132 if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR1)) {
133 rmesa->swtcl.specoffset = offset;
134 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
140 if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_FOG)) {
141 EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
147 if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_FOG)) {
148 EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
154 if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_COLOR1)) {
155 rmesa->swtcl.specoffset = offset;
156 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
164 if (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX)) {
167 for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
168 if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_TEX(i))) {
169 GLuint sz = VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]->size;
171 fmt_1 |= sz << (3 * i);
172 EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_1F + sz - 1, 0 );
177 if ( (rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] & R200_FOG_USE_MASK)
178 != R200_FOG_USE_SPEC_ALPHA ) {
179 R200_STATECHANGE( rmesa, ctx );
180 rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_USE_MASK;
181 rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= R200_FOG_USE_SPEC_ALPHA;
184 if (rmesa->radeon.tnl_index_bitset != index_bitset ||
185 (rmesa->hw.vtx.cmd[VTX_VTXFMT_0] != fmt_0) ||
186 (rmesa->hw.vtx.cmd[VTX_VTXFMT_1] != fmt_1) ) {
188 R200_STATECHANGE( rmesa, vtx );
189 rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0;
190 rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = fmt_1;
192 rmesa->radeon.swtcl.vertex_size =
193 _tnl_install_attrs( ctx,
194 rmesa->radeon.swtcl.vertex_attrs,
195 rmesa->radeon.swtcl.vertex_attr_count,
197 rmesa->radeon.swtcl.vertex_size /= 4;
198 rmesa->radeon.tnl_index_bitset = index_bitset;
202 static void r200_predict_emit_size( r200ContextPtr rmesa )
204 if (RADEON_DEBUG & RADEON_VERTS)
205 fprintf(stderr, "%s\n", __func__);
206 const int vertex_array_size = 7;
207 const int prim_size = 3;
208 if (!rmesa->radeon.swtcl.emit_prediction) {
209 const int state_size = radeonCountStateEmitSize(&rmesa->radeon);
210 if (rcommonEnsureCmdBufSpace(&rmesa->radeon,
212 vertex_array_size + prim_size,
214 rmesa->radeon.swtcl.emit_prediction = radeonCountStateEmitSize(&rmesa->radeon);
216 rmesa->radeon.swtcl.emit_prediction = state_size;
217 rmesa->radeon.swtcl.emit_prediction += vertex_array_size + prim_size
218 + rmesa->radeon.cmdbuf.cs->cdw;
223 static void r200RenderStart( struct gl_context *ctx )
225 r200SetVertexFormat( ctx );
226 if (RADEON_DEBUG & RADEON_VERTS)
227 fprintf(stderr, "%s\n", __func__);
232 * Set vertex state for SW TCL. The primary purpose of this function is to
233 * determine in advance whether or not the hardware can / should do the
234 * projection divide or Mesa should do it.
236 void r200ChooseVertexState( struct gl_context *ctx )
238 r200ContextPtr rmesa = R200_CONTEXT( ctx );
239 TNLcontext *tnl = TNL_CONTEXT(ctx);
243 /* We must ensure that we don't do _tnl_need_projected_coords while in a
244 * rasterization fallback. As this function will be called again when we
245 * leave a rasterization fallback, we can just skip it for now.
247 if (rmesa->radeon.Fallback != 0)
250 vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
251 vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL];
253 /* HW perspective divide is a win, but tiny vertex formats are a
256 if ((0 == (tnl->render_inputs_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX)))
257 || (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
258 rmesa->swtcl.needproj = GL_TRUE;
259 vte |= R200_VTX_XY_FMT | R200_VTX_Z_FMT;
260 vte &= ~R200_VTX_W0_FMT;
261 if (tnl->render_inputs_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX)) {
262 vap &= ~R200_VAP_FORCE_W_TO_ONE;
265 vap |= R200_VAP_FORCE_W_TO_ONE;
269 rmesa->swtcl.needproj = GL_FALSE;
270 vte &= ~(R200_VTX_XY_FMT | R200_VTX_Z_FMT);
271 vte |= R200_VTX_W0_FMT;
272 vap &= ~R200_VAP_FORCE_W_TO_ONE;
275 _tnl_need_projected_coords( ctx, rmesa->swtcl.needproj );
277 if (vte != rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]) {
278 R200_STATECHANGE( rmesa, vte );
279 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = vte;
282 if (vap != rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]) {
283 R200_STATECHANGE( rmesa, vap );
284 rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = vap;
288 void r200_swtcl_flush(struct gl_context *ctx, uint32_t current_offset)
290 r200ContextPtr rmesa = R200_CONTEXT(ctx);
291 if (RADEON_DEBUG & RADEON_VERTS)
292 fprintf(stderr, "%s\n", __func__);
295 radeonEmitState(&rmesa->radeon);
296 r200EmitVertexAOS( rmesa,
297 rmesa->radeon.swtcl.vertex_size,
298 rmesa->radeon.swtcl.bo,
302 r200EmitVbufPrim( rmesa,
303 rmesa->radeon.swtcl.hw_primitive,
304 rmesa->radeon.swtcl.numverts);
305 if ( rmesa->radeon.swtcl.emit_prediction < rmesa->radeon.cmdbuf.cs->cdw )
306 WARN_ONCE("Rendering was %d commands larger than predicted size."
307 " We might overflow command buffer.\n",
308 rmesa->radeon.cmdbuf.cs->cdw - rmesa->radeon.swtcl.emit_prediction );
310 rmesa->radeon.swtcl.emit_prediction = 0;
314 /**************************************************************************/
317 static INLINE GLuint reduced_hw_prim( struct gl_context *ctx, GLuint prim)
321 return ((!(ctx->_TriangleCaps & DD_POINT_SMOOTH)) ?
322 R200_VF_PRIM_POINT_SPRITES : R200_VF_PRIM_POINTS);
328 return R200_VF_PRIM_LINES;
330 /* all others reduced to triangles */
331 return R200_VF_PRIM_TRIANGLES;
336 static void r200RasterPrimitive( struct gl_context *ctx, GLuint hwprim );
337 static void r200RenderPrimitive( struct gl_context *ctx, GLenum prim );
338 static void r200ResetLineStipple( struct gl_context *ctx );
340 /***********************************************************************
341 * Emit primitives as inline vertices *
342 ***********************************************************************/
344 #define HAVE_POINTS 1
346 #define HAVE_LINE_STRIPS 1
347 #define HAVE_TRIANGLES 1
348 #define HAVE_TRI_STRIPS 1
349 #define HAVE_TRI_STRIP_1 0
350 #define HAVE_TRI_FANS 1
352 #define HAVE_QUAD_STRIPS 0
353 #define HAVE_POLYGONS 1
356 static void* r200_alloc_verts( r200ContextPtr rmesa, GLuint n, GLuint size)
360 r200_predict_emit_size( rmesa );
361 rv = rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 );
368 #define CTX_ARG r200ContextPtr rmesa
369 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
370 #define ALLOC_VERTS( n, size ) r200_alloc_verts(rmesa, n, size)
372 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
373 const char *r200verts = (char *)rmesa->radeon.swtcl.verts;
374 #define VERT(x) (radeonVertex *)(r200verts + ((x) * vertsize * sizeof(int)))
375 #define VERTEX radeonVertex
376 #define DO_DEBUG_VERTS (1 && (R200_DEBUG & RADEON_VERTS))
379 #define TAG(x) r200_##x
380 #include "tnl_dd/t_dd_triemit.h"
383 /***********************************************************************
384 * Macros for t_dd_tritmp.h to draw basic primitives *
385 ***********************************************************************/
387 #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d )
388 #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c )
389 #define LINE( a, b ) r200_line( rmesa, a, b )
390 #define POINT( a ) r200_point( rmesa, a )
392 /***********************************************************************
393 * Build render functions from dd templates *
394 ***********************************************************************/
396 #define R200_TWOSIDE_BIT 0x01
397 #define R200_UNFILLED_BIT 0x02
398 #define R200_MAX_TRIFUNC 0x04
402 tnl_points_func points;
404 tnl_triangle_func triangle;
406 } rast_tab[R200_MAX_TRIFUNC];
409 #define DO_FALLBACK 0
410 #define DO_UNFILLED (IND & R200_UNFILLED_BIT)
411 #define DO_TWOSIDE (IND & R200_TWOSIDE_BIT)
418 #define DO_FULL_QUAD 1
421 #define HAVE_BACK_COLORS 0
422 #define HAVE_HW_FLATSHADE 1
425 #define DEPTH_SCALE 1.0
426 #define UNFILLED_TRI unfilled_tri
427 #define UNFILLED_QUAD unfilled_quad
428 #define VERT_X(_v) _v->v.x
429 #define VERT_Y(_v) _v->v.y
430 #define VERT_Z(_v) _v->v.z
431 #define AREA_IS_CCW( a ) (a < 0)
432 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
434 #define VERT_SET_RGBA( v, c ) \
436 radeon_color_t *color = (radeon_color_t *)&((v)->ui[coloroffset]); \
437 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
438 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
439 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
440 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
443 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
445 #define VERT_SET_SPEC( v, c ) \
448 radeon_color_t *spec = (radeon_color_t *)&((v)->ui[specoffset]); \
449 UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \
450 UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \
451 UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \
454 #define VERT_COPY_SPEC( v0, v1 ) \
457 radeon_color_t *spec0 = (radeon_color_t *)&((v0)->ui[specoffset]); \
458 radeon_color_t *spec1 = (radeon_color_t *)&((v1)->ui[specoffset]); \
459 spec0->red = spec1->red; \
460 spec0->green = spec1->green; \
461 spec0->blue = spec1->blue; \
465 /* These don't need LE32_TO_CPU() as they used to save and restore
466 * colors which are already in the correct format.
468 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
469 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
470 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
471 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
477 #define LOCAL_VARS(n) \
478 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
479 GLuint color[n] = {0}, spec[n] = {0}; \
480 GLuint coloroffset = rmesa->swtcl.coloroffset; \
481 GLuint specoffset = rmesa->swtcl.specoffset; \
482 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
484 /***********************************************************************
485 * Helpers for rendering unfilled primitives *
486 ***********************************************************************/
488 #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) )
489 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
492 #include "tnl_dd/t_dd_unfilled.h"
496 /***********************************************************************
497 * Generate GL render functions *
498 ***********************************************************************/
503 #include "tnl_dd/t_dd_tritmp.h"
505 #define IND (R200_TWOSIDE_BIT)
506 #define TAG(x) x##_twoside
507 #include "tnl_dd/t_dd_tritmp.h"
509 #define IND (R200_UNFILLED_BIT)
510 #define TAG(x) x##_unfilled
511 #include "tnl_dd/t_dd_tritmp.h"
513 #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT)
514 #define TAG(x) x##_twoside_unfilled
515 #include "tnl_dd/t_dd_tritmp.h"
518 static void init_rast_tab( void )
523 init_twoside_unfilled();
526 /**********************************************************************/
527 /* Render unclipped begin/end objects */
528 /**********************************************************************/
530 #define RENDER_POINTS( start, count ) \
531 for ( ; start < count ; start++) \
532 r200_point( rmesa, VERT(start) )
533 #define RENDER_LINE( v0, v1 ) \
534 r200_line( rmesa, VERT(v0), VERT(v1) )
535 #define RENDER_TRI( v0, v1, v2 ) \
536 r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
537 #define RENDER_QUAD( v0, v1, v2, v3 ) \
538 r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
539 #define INIT(x) do { \
540 r200RenderPrimitive( ctx, x ); \
544 r200ContextPtr rmesa = R200_CONTEXT(ctx); \
545 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
546 const char *r200verts = (char *)rmesa->radeon.swtcl.verts; \
547 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
548 const GLboolean stipple = ctx->Line.StippleFlag; \
549 (void) elt; (void) stipple;
550 #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx );
551 #define RESET_OCCLUSION
552 #define PRESERVE_VB_DEFS
554 #define TAG(x) r200_##x##_verts
555 #include "tnl/t_vb_rendertmp.h"
558 #define TAG(x) r200_##x##_elts
559 #define ELT(x) elt[x]
560 #include "tnl/t_vb_rendertmp.h"
564 /**********************************************************************/
565 /* Choose render functions */
566 /**********************************************************************/
568 void r200ChooseRenderState( struct gl_context *ctx )
570 TNLcontext *tnl = TNL_CONTEXT(ctx);
571 r200ContextPtr rmesa = R200_CONTEXT(ctx);
573 GLuint flags = ctx->_TriangleCaps;
575 if (!rmesa->radeon.TclFallback || rmesa->radeon.Fallback)
578 if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R200_TWOSIDE_BIT;
579 if (flags & DD_TRI_UNFILLED) index |= R200_UNFILLED_BIT;
581 if (index != rmesa->radeon.swtcl.RenderIndex) {
582 tnl->Driver.Render.Points = rast_tab[index].points;
583 tnl->Driver.Render.Line = rast_tab[index].line;
584 tnl->Driver.Render.ClippedLine = rast_tab[index].line;
585 tnl->Driver.Render.Triangle = rast_tab[index].triangle;
586 tnl->Driver.Render.Quad = rast_tab[index].quad;
589 tnl->Driver.Render.PrimTabVerts = r200_render_tab_verts;
590 tnl->Driver.Render.PrimTabElts = r200_render_tab_elts;
591 tnl->Driver.Render.ClippedPolygon = r200_fast_clipped_poly;
593 tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
594 tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
595 tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
598 rmesa->radeon.swtcl.RenderIndex = index;
603 /**********************************************************************/
604 /* High level hooks for t_vb_render.c */
605 /**********************************************************************/
608 static void r200RasterPrimitive( struct gl_context *ctx, GLuint hwprim )
610 r200ContextPtr rmesa = R200_CONTEXT(ctx);
612 radeon_prepare_render(&rmesa->radeon);
613 if (rmesa->radeon.NewGLState)
614 r200ValidateState( ctx );
617 if (rmesa->radeon.swtcl.hw_primitive != hwprim) {
618 /* need to disable perspective-correct texturing for point sprites */
619 if ((hwprim & 0xf) == R200_VF_PRIM_POINT_SPRITES && ctx->Point.PointSprite) {
620 if (rmesa->hw.set.cmd[SET_RE_CNTL] & R200_PERSPECTIVE_ENABLE) {
621 R200_STATECHANGE( rmesa, set );
622 rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_PERSPECTIVE_ENABLE;
625 else if (!(rmesa->hw.set.cmd[SET_RE_CNTL] & R200_PERSPECTIVE_ENABLE)) {
626 R200_STATECHANGE( rmesa, set );
627 rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_PERSPECTIVE_ENABLE;
629 R200_NEWPRIM( rmesa );
630 rmesa->radeon.swtcl.hw_primitive = hwprim;
634 static void r200RenderPrimitive( struct gl_context *ctx, GLenum prim )
636 r200ContextPtr rmesa = R200_CONTEXT(ctx);
637 rmesa->radeon.swtcl.render_primitive = prim;
638 if (prim < GL_TRIANGLES || !(ctx->_TriangleCaps & DD_TRI_UNFILLED))
639 r200RasterPrimitive( ctx, reduced_hw_prim(ctx, prim) );
642 static void r200RenderFinish( struct gl_context *ctx )
646 static void r200ResetLineStipple( struct gl_context *ctx )
648 r200ContextPtr rmesa = R200_CONTEXT(ctx);
649 R200_STATECHANGE( rmesa, lin );
653 /**********************************************************************/
654 /* Transition to/from hardware rasterization. */
655 /**********************************************************************/
657 static const char * const fallbackStrings[] = {
659 "glDrawBuffer(GL_FRONT_AND_BACK)",
660 "glEnable(GL_STENCIL) without hw stencil buffer",
661 "glRenderMode(selection or feedback)",
663 "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)"
667 static const char *getFallbackString(GLuint bit)
674 return fallbackStrings[i];
678 void r200Fallback( struct gl_context *ctx, GLuint bit, GLboolean mode )
680 r200ContextPtr rmesa = R200_CONTEXT(ctx);
681 TNLcontext *tnl = TNL_CONTEXT(ctx);
682 GLuint oldfallback = rmesa->radeon.Fallback;
685 rmesa->radeon.Fallback |= bit;
686 if (oldfallback == 0) {
687 radeon_firevertices(&rmesa->radeon);
688 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_TRUE );
689 _swsetup_Wakeup( ctx );
690 rmesa->radeon.swtcl.RenderIndex = ~0;
691 if (R200_DEBUG & RADEON_FALLBACKS) {
692 fprintf(stderr, "R200 begin rasterization fallback: 0x%x %s\n",
693 bit, getFallbackString(bit));
698 rmesa->radeon.Fallback &= ~bit;
699 if (oldfallback == bit) {
701 _swrast_flush( ctx );
702 tnl->Driver.Render.Start = r200RenderStart;
703 tnl->Driver.Render.PrimitiveNotify = r200RenderPrimitive;
704 tnl->Driver.Render.Finish = r200RenderFinish;
706 tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
707 tnl->Driver.Render.CopyPV = _tnl_copy_pv;
708 tnl->Driver.Render.Interp = _tnl_interp;
710 tnl->Driver.Render.ResetLineStipple = r200ResetLineStipple;
711 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_FALSE );
712 if (rmesa->radeon.TclFallback) {
713 /* These are already done if rmesa->radeon.TclFallback goes to
714 * zero above. But not if it doesn't (R200_NO_TCL for
717 _tnl_invalidate_vertex_state( ctx, ~0 );
718 _tnl_invalidate_vertices( ctx, ~0 );
719 rmesa->radeon.tnl_index_bitset = 0;
720 r200ChooseVertexState( ctx );
721 r200ChooseRenderState( ctx );
723 if (R200_DEBUG & RADEON_FALLBACKS) {
724 fprintf(stderr, "R200 end rasterization fallback: 0x%x %s\n",
725 bit, getFallbackString(bit));
735 * Cope with depth operations by drawing individual pixels as points.
738 * The way the vertex state is set in this routine is hokey. It seems to
739 * work, but it's very hackish. This whole routine is pretty hackish. If
740 * the bitmap is small enough, it seems like it would be faster to copy it
741 * to AGP memory and use it as a non-power-of-two texture (i.e.,
742 * NV_texture_rectangle).
745 r200PointsBitmap( struct gl_context *ctx, GLint px, GLint py,
746 GLsizei width, GLsizei height,
747 const struct gl_pixelstore_attrib *unpack,
748 const GLubyte *bitmap )
750 r200ContextPtr rmesa = R200_CONTEXT(ctx);
751 const GLfloat *rc = ctx->Current.RasterColor;
760 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_BITMAP, 1 );
762 /* Choose tiny vertex format
765 const GLuint fmt_0 = R200_VTX_XY | R200_VTX_Z0 | R200_VTX_W0
766 | (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT);
767 const GLuint fmt_1 = 0;
768 GLuint vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
769 GLuint vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL];
771 vte &= ~(R200_VTX_XY_FMT | R200_VTX_Z_FMT);
772 vte |= R200_VTX_W0_FMT;
773 vap &= ~R200_VAP_FORCE_W_TO_ONE;
775 rmesa->radeon.swtcl.vertex_size = 5;
777 if ( (rmesa->hw.vtx.cmd[VTX_VTXFMT_0] != fmt_0)
778 || (rmesa->hw.vtx.cmd[VTX_VTXFMT_1] != fmt_1) ) {
780 R200_STATECHANGE( rmesa, vtx );
781 rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0;
782 rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = fmt_1;
785 if (vte != rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]) {
786 R200_STATECHANGE( rmesa, vte );
787 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = vte;
790 if (vap != rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]) {
791 R200_STATECHANGE( rmesa, vap );
792 rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = vap;
796 /* Ready for point primitives:
798 r200RenderPrimitive( ctx, GL_POINTS );
800 /* Turn off the hw viewport transformation:
802 R200_STATECHANGE( rmesa, vte );
803 orig_vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL];
804 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] &= ~(R200_VPORT_X_SCALE_ENA |
805 R200_VPORT_Y_SCALE_ENA |
806 R200_VPORT_Z_SCALE_ENA |
807 R200_VPORT_X_OFFSET_ENA |
808 R200_VPORT_Y_OFFSET_ENA |
809 R200_VPORT_Z_OFFSET_ENA);
811 /* Turn off other stuff: Stipple?, texture?, blending?, etc.
815 /* Populate the vertex
817 * Incorporate FOG into RGBA
819 if (ctx->Fog.Enabled) {
820 const GLfloat *fc = ctx->Fog.Color;
824 if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
825 f = _swrast_z_to_fogfactor(ctx, ctx->Current.Attrib[VERT_ATTRIB_FOG][0]);
827 f = _swrast_z_to_fogfactor(ctx, ctx->Current.RasterDistance);
829 color[0] = f * rc[0] + (1.F - f) * fc[0];
830 color[1] = f * rc[1] + (1.F - f) * fc[1];
831 color[2] = f * rc[2] + (1.F - f) * fc[2];
834 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.red, color[0]);
835 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.green, color[1]);
836 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.blue, color[2]);
837 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.alpha, color[3]);
840 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.red, rc[0]);
841 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.green, rc[1]);
842 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.blue, rc[2]);
843 UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.alpha, rc[3]);
847 vert.tv.z = ctx->Current.RasterPos[2];
850 /* Update window height
852 h = radeon_get_drawable(&rmesa->radeon)->h;
854 /* Clipping handled by existing mechansims in r200_ioctl.c?
856 for (row=0; row<height; row++) {
857 const GLubyte *src = (const GLubyte *)
858 _mesa_image_address2d(unpack, bitmap, width, height,
859 GL_COLOR_INDEX, GL_BITMAP, row, 0 );
861 if (unpack->LsbFirst) {
863 GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
864 for (col=0; col<width; col++) {
867 vert.tv.y = h - (py+row) - 1;
868 r200_point( rmesa, &vert );
871 mask = ((mask << 1) & 0xff) | (mask >> 7);
874 /* get ready for next row */
880 GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
881 for (col=0; col<width; col++) {
884 vert.tv.y = h - (py+row) - 1;
885 r200_point( rmesa, &vert );
888 mask = ((mask << 7) & 0xff) | (mask >> 1);
890 /* get ready for next row */
896 /* Fire outstanding vertices, restore state
898 R200_STATECHANGE( rmesa, vte );
899 rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = orig_vte;
903 TCL_FALLBACK( ctx, R200_TCL_FALLBACK_BITMAP, 0 );
905 /* Need to restore vertexformat?
907 if (rmesa->radeon.TclFallback)
908 r200ChooseVertexState( ctx );
913 /**********************************************************************/
914 /* Initialization. */
915 /**********************************************************************/
917 void r200InitSwtcl( struct gl_context *ctx )
919 TNLcontext *tnl = TNL_CONTEXT(ctx);
920 r200ContextPtr rmesa = R200_CONTEXT(ctx);
921 static int firsttime = 1;
927 rmesa->radeon.swtcl.emit_prediction = 0;
929 tnl->Driver.Render.Start = r200RenderStart;
930 tnl->Driver.Render.Finish = r200RenderFinish;
931 tnl->Driver.Render.PrimitiveNotify = r200RenderPrimitive;
932 tnl->Driver.Render.ResetLineStipple = r200ResetLineStipple;
933 tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
934 tnl->Driver.Render.CopyPV = _tnl_copy_pv;
935 tnl->Driver.Render.Interp = _tnl_interp;
937 /* FIXME: what are these numbers? */
938 _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
939 36 * sizeof(GLfloat) );
941 rmesa->radeon.swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf;
942 rmesa->radeon.swtcl.RenderIndex = ~0;
943 rmesa->radeon.swtcl.render_primitive = GL_TRIANGLES;
944 rmesa->radeon.swtcl.hw_primitive = 0;