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[mesa.git] / src / mesa / drivers / dri / r300 / r300_swtcl.c
1 /**************************************************************************
2
3 Copyright (C) 2007 Dave Airlie
4
5 All Rights Reserved.
6
7 Permission is hereby granted, free of charge, to any person obtaining a
8 copy of this software and associated documentation files (the "Software"),
9 to deal in the Software without restriction, including without limitation
10 on the rights to use, copy, modify, merge, publish, distribute, sub
11 license, and/or sell copies of the Software, and to permit persons to whom
12 the Software is furnished to do so, subject to the following conditions:
13
14 The above copyright notice and this permission notice (including the next
15 paragraph) shall be included in all copies or substantial portions of the
16 Software.
17
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 USE OR OTHER DEALINGS IN THE SOFTWARE.
25
26 **************************************************************************/
27
28 /*
29 * Authors:
30 * Dave Airlie <airlied@linux.ie>
31 * Maciej Cencora <m.cencora@gmail.com>
32 */
33
34 #include "tnl/tnl.h"
35 #include "tnl/t_pipeline.h"
36
37 #include "r300_state.h"
38 #include "r300_swtcl.h"
39 #include "r300_emit.h"
40 #include "r300_tex.h"
41 #include "r300_render.h"
42 #include "main/simple_list.h"
43
44 #define EMIT_ATTR( ATTR, STYLE ) \
45 do { \
46 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = (ATTR); \
47 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = (STYLE); \
48 rmesa->radeon.swtcl.vertex_attr_count++; \
49 } while (0)
50
51 #define EMIT_PAD( N ) \
52 do { \
53 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = 0; \
54 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = EMIT_PAD; \
55 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].offset = (N); \
56 rmesa->radeon.swtcl.vertex_attr_count++; \
57 } while (0)
58
59 #define ADD_ATTR(_attr, _format, _dst_loc, _swizzle, _write_mask, _normalize) \
60 do { \
61 attrs[num_attrs].element = (_attr); \
62 attrs[num_attrs].data_type = (_format); \
63 attrs[num_attrs].dst_loc = (_dst_loc); \
64 attrs[num_attrs].swizzle = (_swizzle); \
65 attrs[num_attrs].write_mask = (_write_mask); \
66 attrs[num_attrs]._signed = 0; \
67 attrs[num_attrs].normalize = (_normalize); \
68 ++num_attrs; \
69 } while (0)
70
71 void r300ChooseSwtclVertexFormat(GLcontext *ctx, GLuint *_InputsRead, GLuint *_OutputsWritten)
72 {
73 r300ContextPtr rmesa = R300_CONTEXT( ctx );
74 TNLcontext *tnl = TNL_CONTEXT(ctx);
75 struct vertex_buffer *VB = &tnl->vb;
76 int first_free_tex = 0;
77 GLuint InputsRead = 0;
78 GLuint OutputsWritten = 0;
79 int num_attrs = 0;
80 GLuint fp_reads = rmesa->selected_fp->InputsRead;
81 struct vertex_attribute *attrs = rmesa->vbuf.attribs;
82
83 rmesa->swtcl.coloroffset = rmesa->swtcl.specoffset = 0;
84 rmesa->radeon.swtcl.vertex_attr_count = 0;
85
86 if (RADEON_DEBUG & DEBUG_VERTS)
87 fprintf(stderr, "%s\n", __func__);
88
89 /* We always want non Ndc coords format */
90 VB->AttribPtr[VERT_ATTRIB_POS] = VB->ClipPtr;
91
92 /* Always write position vector */
93 InputsRead |= 1 << VERT_ATTRIB_POS;
94 OutputsWritten |= 1 << VERT_RESULT_HPOS;
95 EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F );
96 ADD_ATTR(VERT_ATTRIB_POS, R300_DATA_TYPE_FLOAT_4, SWTCL_OVM_POS, SWIZZLE_XYZW, MASK_XYZW, 0);
97 rmesa->swtcl.coloroffset = 4;
98
99 if (fp_reads & FRAG_BIT_COL0) {
100 InputsRead |= 1 << VERT_ATTRIB_COLOR0;
101 OutputsWritten |= 1 << VERT_RESULT_COL0;
102 #if MESA_LITTLE_ENDIAN
103 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA );
104 ADD_ATTR(VERT_ATTRIB_COLOR0, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR0, SWIZZLE_XYZW, MASK_XYZW, 1);
105 #else
106 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_ABGR );
107 ADD_ATTR(VERT_ATTRIB_COLOR0, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR0, SWIZZLE_XYZW, MASK_XYZW, 1);
108 #endif
109 }
110
111 if (fp_reads & FRAG_BIT_COL1) {
112 GLuint swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE);
113 InputsRead |= 1 << VERT_ATTRIB_COLOR1;
114 OutputsWritten |= 1 << VERT_RESULT_COL1;
115 #if MESA_LITTLE_ENDIAN
116 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4UB_4F_RGBA );
117 ADD_ATTR(VERT_ATTRIB_COLOR1, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR1, swiz, MASK_XYZW, 1);
118 #else
119 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4UB_4F_ABGR );
120 ADD_ATTR(VERT_ATTRIB_COLOR1, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR1, swiz, MASK_XYZW, 1);
121 #endif
122 rmesa->swtcl.specoffset = rmesa->swtcl.coloroffset + 1;
123 }
124
125 if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) {
126 VB->AttribPtr[VERT_ATTRIB_GENERIC0] = VB->ColorPtr[1];
127 OutputsWritten |= 1 << VERT_RESULT_BFC0;
128 #if MESA_LITTLE_ENDIAN
129 EMIT_ATTR( _TNL_ATTRIB_GENERIC0, EMIT_4UB_4F_RGBA );
130 ADD_ATTR(VERT_ATTRIB_GENERIC0, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR2, SWIZZLE_XYZW, MASK_XYZW, 1);
131 #else
132 EMIT_ATTR( _TNL_ATTRIB_GENERIC0, EMIT_4UB_4F_ABGR );
133 ADD_ATTR(VERT_ATTRIB_GENERIC0, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR2, SWIZZLE_XYZW, MASK_XYZW, 1);
134 #endif
135 if (fp_reads & FRAG_BIT_COL1) {
136 VB->AttribPtr[VERT_ATTRIB_GENERIC1] = VB->SecondaryColorPtr[1];
137 GLuint swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE);
138 OutputsWritten |= 1 << VERT_RESULT_BFC1;
139 #if MESA_LITTLE_ENDIAN
140 EMIT_ATTR( _TNL_ATTRIB_GENERIC1, EMIT_4UB_4F_RGBA );
141 ADD_ATTR(VERT_ATTRIB_GENERIC1, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR3, swiz, MASK_XYZW, 1);
142 #else
143 EMIT_ATTR( _TNL_ATTRIB_GENERIC1, EMIT_4UB_4F_ABGR );
144 ADD_ATTR(VERT_ATTRIB_GENERIC1, R300_DATA_TYPE_BYTE, SWTCL_OVM_COLOR3, swiz, MASK_XYZW, 1);
145 #endif
146 }
147 }
148
149 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_POINTSIZE )) {
150 GLuint swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO);
151 InputsRead |= 1 << VERT_ATTRIB_POINT_SIZE;
152 OutputsWritten |= 1 << VERT_RESULT_PSIZ;
153 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F );
154 ADD_ATTR(VERT_ATTRIB_POINT_SIZE, R300_DATA_TYPE_FLOAT_1, SWTCL_OVM_POINT_SIZE, swiz, MASK_X, 0);
155 }
156
157 if (rmesa->selected_fp->wpos_attr != FRAG_ATTRIB_MAX) {
158 int tex_id = rmesa->selected_fp->wpos_attr - FRAG_ATTRIB_TEX0;
159
160 VB->AttribPtr[VERT_ATTRIB_TEX0 + tex_id] = VB->AttribPtr[VERT_ATTRIB_POS];
161 VB->TexCoordPtr[tex_id] = VB->AttribPtr[VERT_ATTRIB_POS];
162 RENDERINPUTS_SET(tnl->render_inputs_bitset, _TNL_ATTRIB_TEX0 + tex_id);
163 }
164
165 if (rmesa->selected_fp->fog_attr != FRAG_ATTRIB_MAX) {
166 int tex_id = rmesa->selected_fp->fog_attr - FRAG_ATTRIB_TEX0;
167
168 VB->AttribPtr[VERT_ATTRIB_TEX0 + tex_id] = VB->AttribPtr[VERT_ATTRIB_FOG];
169 VB->TexCoordPtr[tex_id] = VB->AttribPtr[VERT_ATTRIB_FOG];
170 RENDERINPUTS_SET(tnl->render_inputs_bitset, _TNL_ATTRIB_TEX0 + tex_id);
171 }
172
173 /**
174 * Sending only one texcoord component may lead to lock up,
175 * so for all textures always output 4 texcoord components to RS.
176 */
177 {
178 int i;
179 GLuint swiz, format, hw_format;
180 for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
181 if (fp_reads & FRAG_BIT_TEX(i)) {
182 switch (VB->TexCoordPtr[i]->size) {
183 case 1:
184 format = EMIT_1F;
185 hw_format = R300_DATA_TYPE_FLOAT_1;
186 swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ONE);
187 break;
188 case 2:
189 format = EMIT_2F;
190 hw_format = R300_DATA_TYPE_FLOAT_2;
191 swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ONE);
192 break;
193 case 3:
194 format = EMIT_3F;
195 hw_format = R300_DATA_TYPE_FLOAT_3;
196 swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE);
197 break;
198 case 4:
199 format = EMIT_4F;
200 hw_format = R300_DATA_TYPE_FLOAT_4;
201 swiz = SWIZZLE_XYZW;
202 break;
203 default:
204 continue;
205 }
206 InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i);
207 OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i);
208 EMIT_ATTR(_TNL_ATTRIB_TEX(i), format);
209 ADD_ATTR(VERT_ATTRIB_TEX0 + i, hw_format, SWTCL_OVM_TEX(first_free_tex), swiz, MASK_XYZW, 0);
210 ++first_free_tex;
211 }
212 }
213 }
214
215 if (first_free_tex >= ctx->Const.MaxTextureUnits) {
216 fprintf(stderr, "\tout of free texcoords to write fog coordinate\n");
217 _mesa_exit(-1);
218 }
219
220 R300_NEWPRIM(rmesa);
221 rmesa->vbuf.num_attribs = num_attrs;
222 *_InputsRead = InputsRead;
223 *_OutputsWritten = OutputsWritten;
224
225 RENDERINPUTS_COPY(rmesa->render_inputs_bitset, tnl->render_inputs_bitset);
226 }
227
228 static void r300PrepareVertices(GLcontext *ctx)
229 {
230 r300ContextPtr rmesa = R300_CONTEXT(ctx);
231 GLuint InputsRead, OutputsWritten;
232
233 r300ChooseSwtclVertexFormat(ctx, &InputsRead, &OutputsWritten);
234 r300SetupVAP(ctx, InputsRead, OutputsWritten);
235
236 rmesa->radeon.swtcl.vertex_size =
237 _tnl_install_attrs( ctx,
238 rmesa->radeon.swtcl.vertex_attrs,
239 rmesa->radeon.swtcl.vertex_attr_count,
240 NULL, 0 );
241
242 rmesa->radeon.swtcl.vertex_size /= 4;
243 }
244
245
246 static GLuint reduced_prim[] = {
247 GL_POINTS,
248 GL_LINES,
249 GL_LINES,
250 GL_LINES,
251 GL_TRIANGLES,
252 GL_TRIANGLES,
253 GL_TRIANGLES,
254 GL_TRIANGLES,
255 GL_TRIANGLES,
256 GL_TRIANGLES,
257 };
258
259 static void r300RasterPrimitive( GLcontext *ctx, GLuint prim );
260
261 /***********************************************************************
262 * Emit primitives as inline vertices *
263 ***********************************************************************/
264
265
266 #define HAVE_POINTS 1
267 #define HAVE_LINES 1
268 #define HAVE_LINE_STRIPS 1
269 #define HAVE_TRIANGLES 1
270 #define HAVE_TRI_STRIPS 1
271 #define HAVE_TRI_STRIP_1 0
272 #define HAVE_TRI_FANS 1
273 #define HAVE_QUADS 0
274 #define HAVE_QUAD_STRIPS 0
275 #define HAVE_POLYGONS 1
276 #define HAVE_ELTS 1
277
278 #undef LOCAL_VARS
279 #undef ALLOC_VERTS
280 #define CTX_ARG r300ContextPtr rmesa
281 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
282 #define ALLOC_VERTS( n, size ) rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 )
283 #define LOCAL_VARS \
284 r300ContextPtr rmesa = R300_CONTEXT(ctx); \
285 const char *r300verts = (char *)rmesa->radeon.swtcl.verts;
286 #define VERT(x) (r300Vertex *)(r300verts + ((x) * vertsize * sizeof(int)))
287 #define VERTEX r300Vertex
288 #undef TAG
289 #define TAG(x) r300_##x
290 #include "tnl_dd/t_dd_triemit.h"
291
292
293
294 /***********************************************************************
295 * Macros for t_dd_tritmp.h to draw basic primitives *
296 ***********************************************************************/
297
298 #define QUAD( a, b, c, d ) r300_quad( rmesa, a, b, c, d )
299 #define TRI( a, b, c ) r300_triangle( rmesa, a, b, c )
300 #define LINE( a, b ) r300_line( rmesa, a, b )
301 #define POINT( a ) r300_point( rmesa, a )
302
303 /***********************************************************************
304 * Build render functions from dd templates *
305 ***********************************************************************/
306
307 #define R300_UNFILLED_BIT 0x01
308 #define R300_MAX_TRIFUNC 0x02
309
310 static struct {
311 tnl_points_func points;
312 tnl_line_func line;
313 tnl_triangle_func triangle;
314 tnl_quad_func quad;
315 } rast_tab[R300_MAX_TRIFUNC];
316
317 #define DO_FALLBACK 0
318 #define DO_UNFILLED (IND & R300_UNFILLED_BIT)
319 #define DO_TWOSIDE 0
320 #define DO_FLAT 0
321 #define DO_OFFSET 0
322 #define DO_TRI 1
323 #define DO_QUAD 1
324 #define DO_LINE 1
325 #define DO_POINTS 1
326 #define DO_FULL_QUAD 1
327
328 #define HAVE_RGBA 1
329 #define HAVE_SPEC 1
330 #define HAVE_BACK_COLORS 0
331 #define HAVE_HW_FLATSHADE 1
332 #define TAB rast_tab
333
334 #define DEPTH_SCALE 1.0
335 #define UNFILLED_TRI unfilled_tri
336 #define UNFILLED_QUAD unfilled_quad
337 #define VERT_X(_v) _v->v.x
338 #define VERT_Y(_v) _v->v.y
339 #define VERT_Z(_v) _v->v.z
340 #define AREA_IS_CCW( a ) (a < 0)
341 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
342
343 #define VERT_SET_RGBA( v, c ) \
344 do { \
345 r300_color_t *color = (r300_color_t *)&((v)->ui[coloroffset]); \
346 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
347 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
348 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
349 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
350 } while (0)
351
352 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
353
354 #define VERT_SET_SPEC( v0, c ) \
355 do { \
356 if (specoffset) { \
357 UNCLAMPED_FLOAT_TO_UBYTE(v0->v.specular.red, (c)[0]); \
358 UNCLAMPED_FLOAT_TO_UBYTE(v0->v.specular.green, (c)[1]); \
359 UNCLAMPED_FLOAT_TO_UBYTE(v0->v.specular.blue, (c)[2]); \
360 } \
361 } while (0)
362
363 #define VERT_COPY_SPEC( v0, v1 ) \
364 do { \
365 if (specoffset) { \
366 v0->v.specular.red = v1->v.specular.red; \
367 v0->v.specular.green = v1->v.specular.green; \
368 v0->v.specular.blue = v1->v.specular.blue; \
369 } \
370 } while (0)
371
372 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
373 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
374 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
375 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
376
377 #undef LOCAL_VARS
378 #undef TAG
379 #undef INIT
380
381 #define LOCAL_VARS(n) \
382 r300ContextPtr rmesa = R300_CONTEXT(ctx); \
383 GLuint color[n] = { 0, }, spec[n] = { 0, }; \
384 GLuint coloroffset = rmesa->swtcl.coloroffset; \
385 GLuint specoffset = rmesa->swtcl.specoffset; \
386 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
387
388 /***********************************************************************
389 * Helpers for rendering unfilled primitives *
390 ***********************************************************************/
391
392 #define RASTERIZE(x) r300RasterPrimitive( ctx, reduced_prim[x] )
393 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
394 #undef TAG
395 #define TAG(x) x
396 #include "tnl_dd/t_dd_unfilled.h"
397 #undef IND
398
399
400 /***********************************************************************
401 * Generate GL render functions *
402 ***********************************************************************/
403
404
405 #define IND (0)
406 #define TAG(x) x
407 #include "tnl_dd/t_dd_tritmp.h"
408
409 #define IND (R300_UNFILLED_BIT)
410 #define TAG(x) x##_unfilled
411 #include "tnl_dd/t_dd_tritmp.h"
412
413
414 static void init_rast_tab( void )
415 {
416 init();
417 init_unfilled();
418 }
419
420 /**********************************************************************/
421 /* Render unclipped begin/end objects */
422 /**********************************************************************/
423
424 #define RENDER_POINTS( start, count ) \
425 for ( ; start < count ; start++) \
426 r300_point( rmesa, VERT(start) )
427 #define RENDER_LINE( v0, v1 ) \
428 r300_line( rmesa, VERT(v0), VERT(v1) )
429 #define RENDER_TRI( v0, v1, v2 ) \
430 r300_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
431 #define RENDER_QUAD( v0, v1, v2, v3 ) \
432 r300_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
433 #define INIT(x) do { \
434 r300RenderPrimitive( ctx, x ); \
435 } while (0)
436 #undef LOCAL_VARS
437 #define LOCAL_VARS \
438 r300ContextPtr rmesa = R300_CONTEXT(ctx); \
439 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
440 const char *r300verts = (char *)rmesa->radeon.swtcl.verts; \
441 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
442 const GLboolean stipple = ctx->Line.StippleFlag; \
443 (void) elt; (void) stipple;
444 #define RESET_STIPPLE //if ( stipple ) r200ResetLineStipple( ctx );
445 #define RESET_OCCLUSION
446 #define PRESERVE_VB_DEFS
447 #define ELT(x) (x)
448 #define TAG(x) r300_##x##_verts
449 #include "tnl/t_vb_rendertmp.h"
450 #undef ELT
451 #undef TAG
452 #define TAG(x) r300_##x##_elts
453 #define ELT(x) elt[x]
454 #include "tnl/t_vb_rendertmp.h"
455
456
457
458
459 /**********************************************************************/
460 /* Choose render functions */
461 /**********************************************************************/
462 static void r300ChooseRenderState( GLcontext *ctx )
463 {
464 TNLcontext *tnl = TNL_CONTEXT(ctx);
465 r300ContextPtr rmesa = R300_CONTEXT(ctx);
466 GLuint index = 0;
467 GLuint flags = ctx->_TriangleCaps;
468 if (RADEON_DEBUG & DEBUG_VERTS)
469 fprintf(stderr, "%s\n", __func__);
470
471 if (flags & DD_TRI_UNFILLED) index |= R300_UNFILLED_BIT;
472
473 if (index != rmesa->radeon.swtcl.RenderIndex) {
474 tnl->Driver.Render.Points = rast_tab[index].points;
475 tnl->Driver.Render.Line = rast_tab[index].line;
476 tnl->Driver.Render.ClippedLine = rast_tab[index].line;
477 tnl->Driver.Render.Triangle = rast_tab[index].triangle;
478 tnl->Driver.Render.Quad = rast_tab[index].quad;
479
480 if (index == 0) {
481 tnl->Driver.Render.PrimTabVerts = r300_render_tab_verts;
482 tnl->Driver.Render.PrimTabElts = r300_render_tab_elts;
483 tnl->Driver.Render.ClippedPolygon = r300_fast_clipped_poly;
484 } else {
485 tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
486 tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
487 tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
488 }
489
490 rmesa->radeon.swtcl.RenderIndex = index;
491 }
492 }
493
494
495 void r300RenderStart(GLcontext *ctx)
496 {
497 if (RADEON_DEBUG & DEBUG_VERTS)
498 fprintf(stderr, "%s\n", __func__);
499 r300ContextPtr rmesa = R300_CONTEXT( ctx );
500
501 r300ChooseRenderState(ctx);
502
503 r300UpdateShaders(rmesa);
504
505 r300PrepareVertices(ctx);
506
507 r300ValidateBuffers(ctx);
508
509 r300UpdateShaderStates(rmesa);
510
511 const int vertex_size = 7;
512 const int prim_size = 3;
513
514 if (!rmesa->radeon.swtcl.primitive_counter) {
515 if (rcommonEnsureCmdBufSpace(&rmesa->radeon,
516 radeonCountStateEmitSize(&rmesa->radeon) +
517 + vertex_size + prim_size,
518 __FUNCTION__))
519 rmesa->radeon.swtcl.primitive_counter = 0;
520 else
521 rmesa->radeon.swtcl.primitive_counter = 1;
522 }
523
524 r300EmitCacheFlush(rmesa);
525
526 /* investigate if we can put back flush optimisation if needed */
527 if (rmesa->radeon.dma.flush != NULL) {
528 rmesa->radeon.dma.flush(ctx);
529 }
530 }
531
532 void r300RenderFinish(GLcontext *ctx)
533 {
534 }
535
536 static void r300RasterPrimitive( GLcontext *ctx, GLuint hwprim )
537 {
538 r300ContextPtr rmesa = R300_CONTEXT(ctx);
539 if (RADEON_DEBUG & DEBUG_VERTS)
540 fprintf(stderr, "%s\n", __func__);
541
542 if (rmesa->radeon.swtcl.hw_primitive != hwprim) {
543 R300_NEWPRIM( rmesa );
544 rmesa->radeon.swtcl.hw_primitive = hwprim;
545 }
546 }
547
548 void r300RenderPrimitive(GLcontext *ctx, GLenum prim)
549 {
550
551 r300ContextPtr rmesa = R300_CONTEXT(ctx);
552 rmesa->radeon.swtcl.render_primitive = prim;
553 if (RADEON_DEBUG & DEBUG_VERTS)
554 fprintf(stderr, "%s\n", __func__);
555
556 if ((prim == GL_TRIANGLES) && (ctx->_TriangleCaps & DD_TRI_UNFILLED))
557 return;
558
559 r300RasterPrimitive( ctx, reduced_prim[prim] );
560 }
561
562 void r300ResetLineStipple(GLcontext *ctx)
563 {
564 if (RADEON_DEBUG & DEBUG_VERTS)
565 fprintf(stderr, "%s\n", __func__);
566 }
567
568 void r300InitSwtcl(GLcontext *ctx)
569 {
570 TNLcontext *tnl = TNL_CONTEXT(ctx);
571 r300ContextPtr rmesa = R300_CONTEXT(ctx);
572 static int firsttime = 1;
573 if (RADEON_DEBUG & DEBUG_VERTS)
574 fprintf(stderr, "%s\n", __func__);
575
576 if (firsttime) {
577 init_rast_tab();
578 firsttime = 0;
579 }
580 rmesa->radeon.swtcl.primitive_counter = 0;
581
582 tnl->Driver.Render.Start = r300RenderStart;
583 tnl->Driver.Render.Finish = r300RenderFinish;
584 tnl->Driver.Render.PrimitiveNotify = r300RenderPrimitive;
585 tnl->Driver.Render.ResetLineStipple = r300ResetLineStipple;
586 tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
587 tnl->Driver.Render.CopyPV = _tnl_copy_pv;
588 tnl->Driver.Render.Interp = _tnl_interp;
589
590 /* FIXME: what are these numbers? */
591 _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
592 48 * sizeof(GLfloat) );
593
594 rmesa->radeon.swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf;
595 rmesa->radeon.swtcl.RenderIndex = ~0;
596 rmesa->radeon.swtcl.render_primitive = GL_TRIANGLES;
597 rmesa->radeon.swtcl.hw_primitive = 0;
598
599 _tnl_invalidate_vertex_state( ctx, ~0 );
600 _tnl_invalidate_vertices( ctx, ~0 );
601
602 _tnl_need_projected_coords( ctx, GL_FALSE );
603 }
604
605 void r300DestroySwtcl(GLcontext *ctx)
606 {
607 }
608
609 static void r300EmitVertexAOS(r300ContextPtr rmesa, GLuint vertex_size, struct radeon_bo *bo, GLuint offset)
610 {
611 BATCH_LOCALS(&rmesa->radeon);
612
613 if (RADEON_DEBUG & DEBUG_VERTS)
614 fprintf(stderr, "%s: vertex_size %d, offset 0x%x \n",
615 __FUNCTION__, vertex_size, offset);
616
617 BEGIN_BATCH(7);
618 OUT_BATCH_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, 2);
619 OUT_BATCH(1);
620 OUT_BATCH(vertex_size | (vertex_size << 8));
621 OUT_BATCH_RELOC(offset, bo, offset, RADEON_GEM_DOMAIN_GTT, 0, 0);
622 END_BATCH();
623 }
624
625 static void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr)
626 {
627 BATCH_LOCALS(&rmesa->radeon);
628 int type, num_verts;
629 if (RADEON_DEBUG & DEBUG_VERTS)
630 fprintf(stderr, "%s\n", __func__);
631
632 type = r300PrimitiveType(rmesa, primitive);
633 num_verts = r300NumVerts(rmesa, vertex_nr, primitive);
634
635 BEGIN_BATCH(3);
636 OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
637 OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (num_verts << 16) | type);
638 END_BATCH();
639 }
640
641 void r300_swtcl_flush(GLcontext *ctx, uint32_t current_offset)
642 {
643 if (RADEON_DEBUG & DEBUG_VERTS)
644 fprintf(stderr, "%s\n", __func__);
645 r300ContextPtr rmesa = R300_CONTEXT(ctx);
646
647 radeonEmitState(&rmesa->radeon);
648 r300_emit_scissor(ctx);
649 r300EmitVertexAOS(rmesa,
650 rmesa->radeon.swtcl.vertex_size,
651 first_elem(&rmesa->radeon.dma.reserved)->bo,
652 current_offset);
653
654 r300EmitVbufPrim(rmesa,
655 rmesa->radeon.swtcl.hw_primitive,
656 rmesa->radeon.swtcl.numverts);
657 r300EmitCacheFlush(rmesa);
658 rmesa->radeon.swtcl.primitive_counter = 0;
659 COMMIT_BATCH();
660 }