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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
42 #define EMIT_ATTR( ATTR, STYLE ) \
43 do { \
44 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = (ATTR); \
45 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = (STYLE); \
46 rmesa->radeon.swtcl.vertex_attr_count++; \
47 } while (0)
48
49 #define EMIT_PAD( N ) \
50 do { \
51 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = 0; \
52 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = EMIT_PAD; \
53 rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].offset = (N); \
54 rmesa->radeon.swtcl.vertex_attr_count++; \
55 } while (0)
56
57 #define ADD_ATTR(_attr, _format, _dst_loc, _swizzle, _write_mask) \
58 do { \
59 attrs[num_attrs].attr = (_attr); \
60 attrs[num_attrs].format = (_format); \
61 attrs[num_attrs].dst_loc = (_dst_loc); \
62 attrs[num_attrs].swizzle = (_swizzle); \
63 attrs[num_attrs].write_mask = (_write_mask); \
64 ++num_attrs; \
65 } while (0)
66
67 static void r300SwtclVAPSetup(GLcontext *ctx, GLuint InputsRead, GLuint OutputsWritten, GLuint vap_out_fmt_1)
68 {
69 r300ContextPtr rmesa = R300_CONTEXT( ctx );
70 struct vertex_attribute *attrs = rmesa->swtcl.vert_attrs;
71 int i, j, reg_count;
72 uint32_t *vir0 = &rmesa->hw.vir[0].cmd[1];
73 uint32_t *vir1 = &rmesa->hw.vir[1].cmd[1];
74
75 for (i = 0; i < R300_VIR_CMDSIZE-1; ++i)
76 vir0[i] = vir1[i] = 0;
77
78 for (i = 0, j = 0; i < rmesa->radeon.swtcl.vertex_attr_count; ++i) {
79 int tmp, data_format;
80 switch (attrs[i].format) {
81 case EMIT_1F:
82 data_format = R300_DATA_TYPE_FLOAT_1;
83 break;
84 case EMIT_2F:
85 data_format = R300_DATA_TYPE_FLOAT_2;
86 break;
87 case EMIT_3F:
88 data_format = R300_DATA_TYPE_FLOAT_3;
89 break;
90 case EMIT_4F:
91 data_format = R300_DATA_TYPE_FLOAT_4;
92 break;
93 case EMIT_4UB_4F_RGBA:
94 case EMIT_4UB_4F_ABGR:
95 data_format = R300_DATA_TYPE_BYTE | R300_NORMALIZE;
96 break;
97 default:
98 fprintf(stderr, "%s: Invalid data format type", __FUNCTION__);
99 _mesa_exit(-1);
100 break;
101 }
102
103 tmp = data_format | (attrs[i].dst_loc << R300_DST_VEC_LOC_SHIFT);
104 if (i % 2 == 0) {
105 vir0[j] = tmp << R300_DATA_TYPE_0_SHIFT;
106 vir1[j] = attrs[i].swizzle | (attrs[i].write_mask << R300_WRITE_ENA_SHIFT);
107 } else {
108 vir0[j] |= tmp << R300_DATA_TYPE_1_SHIFT;
109 vir1[j] |= (attrs[i].swizzle | (attrs[i].write_mask << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE1_SHIFT;
110 ++j;
111 }
112 }
113
114 reg_count = (rmesa->radeon.swtcl.vertex_attr_count + 1) >> 1;
115 if (rmesa->radeon.swtcl.vertex_attr_count % 2 != 0) {
116 vir0[reg_count-1] |= R300_LAST_VEC << R300_DATA_TYPE_0_SHIFT;
117 } else {
118 vir0[reg_count-1] |= R300_LAST_VEC << R300_DATA_TYPE_1_SHIFT;
119 }
120
121 R300_STATECHANGE(rmesa, vir[0]);
122 R300_STATECHANGE(rmesa, vir[1]);
123 R300_STATECHANGE(rmesa, vof);
124 R300_STATECHANGE(rmesa, vic);
125
126 if (rmesa->radeon.radeonScreen->kernel_mm) {
127 rmesa->hw.vir[0].cmd[0] &= 0xC000FFFF;
128 rmesa->hw.vir[1].cmd[0] &= 0xC000FFFF;
129 rmesa->hw.vir[0].cmd[0] |= (reg_count & 0x3FFF) << 16;
130 rmesa->hw.vir[1].cmd[0] |= (reg_count & 0x3FFF) << 16;
131 } else {
132 ((drm_r300_cmd_header_t *) rmesa->hw.vir[0].cmd)->packet0.count = reg_count;
133 ((drm_r300_cmd_header_t *) rmesa->hw.vir[1].cmd)->packet0.count = reg_count;
134 }
135
136 rmesa->hw.vic.cmd[R300_VIC_CNTL_0] = r300VAPInputCntl0(ctx, InputsRead);
137 rmesa->hw.vic.cmd[R300_VIC_CNTL_1] = r300VAPInputCntl1(ctx, InputsRead);
138 rmesa->hw.vof.cmd[R300_VOF_CNTL_0] = r300VAPOutputCntl0(ctx, OutputsWritten);
139 /**
140 * Can't use r300VAPOutputCntl1 function because it assumes
141 * that all texture coords have 4 components and that's the case
142 * for HW TCL path, but not for SW TCL.
143 */
144 rmesa->hw.vof.cmd[R300_VOF_CNTL_1] = vap_out_fmt_1;
145 }
146
147
148 static void r300SetVertexFormat( GLcontext *ctx )
149 {
150 r300ContextPtr rmesa = R300_CONTEXT( ctx );
151 TNLcontext *tnl = TNL_CONTEXT(ctx);
152 struct vertex_buffer *VB = &tnl->vb;
153 int first_free_tex = 0, vap_out_fmt_1 = 0;
154 GLuint InputsRead = 0;
155 GLuint OutputsWritten = 0;
156 int num_attrs = 0;
157 struct vertex_attribute *attrs = rmesa->swtcl.vert_attrs;
158
159 rmesa->swtcl.coloroffset = rmesa->swtcl.specoffset = 0;
160 rmesa->radeon.swtcl.vertex_attr_count = 0;
161
162 /* We always want non Ndc coords format */
163 VB->AttribPtr[VERT_ATTRIB_POS] = VB->ClipPtr;
164
165 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_POS)) {
166 InputsRead |= 1 << VERT_ATTRIB_POS;
167 OutputsWritten |= 1 << VERT_RESULT_HPOS;
168 EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F );
169 ADD_ATTR(VERT_ATTRIB_POS, EMIT_4F, SWTCL_OVM_POS, SWIZZLE_XYZW, MASK_XYZW);
170 rmesa->swtcl.coloroffset = 4;
171 }
172
173 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR0)) {
174 InputsRead |= 1 << VERT_ATTRIB_COLOR0;
175 OutputsWritten |= 1 << VERT_RESULT_COL0;
176 #if MESA_LITTLE_ENDIAN
177 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA );
178 ADD_ATTR(VERT_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, SWTCL_OVM_COLOR0, SWIZZLE_XYZW, MASK_XYZW);
179 #else
180 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_ABGR );
181 ADD_ATTR(VERT_ATTRIB_COLOR0, EMIT_4UB_4F_ABGR, SWTCL_OVM_COLOR0, SWIZZLE_XYZW, MASK_XYZW);
182 #endif
183 }
184
185 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR1 )) {
186 GLuint swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE);
187 InputsRead |= 1 << VERT_ATTRIB_COLOR1;
188 OutputsWritten |= 1 << VERT_RESULT_COL1;
189 #if MESA_LITTLE_ENDIAN
190 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4UB_4F_RGBA );
191 ADD_ATTR(VERT_ATTRIB_COLOR1, EMIT_4UB_4F_RGBA, SWTCL_OVM_COLOR1, swiz, MASK_XYZW);
192 #else
193 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4UB_4F_ABGR );
194 ADD_ATTR(VERT_ATTRIB_COLOR1, EMIT_4UB_4F_ABGR, SWTCL_OVM_COLOR1, swiz, MASK_XYZW);
195 #endif
196 rmesa->swtcl.specoffset = rmesa->swtcl.coloroffset + 1;
197 }
198
199 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_POINTSIZE )) {
200 GLuint swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO);
201 InputsRead |= 1 << VERT_ATTRIB_POINT_SIZE;
202 OutputsWritten |= 1 << VERT_RESULT_PSIZ;
203 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F );
204 ADD_ATTR(VERT_ATTRIB_POINT_SIZE, EMIT_1F, SWTCL_OVM_POINT_SIZE, swiz, MASK_X);
205 }
206
207 if (RENDERINPUTS_TEST_RANGE(tnl->render_inputs_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) {
208 int i, size;
209 GLuint swiz, mask, format;
210 for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
211 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_TEX(i) )) {
212 switch (VB->TexCoordPtr[i]->size) {
213 case 1:
214 format = EMIT_1F;
215 swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ONE);
216 mask = MASK_X;
217 break;
218 case 2:
219 format = EMIT_2F;
220 swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ONE);
221 mask = MASK_X | MASK_Y;
222 size = 2;
223 break;
224 case 3:
225 format = EMIT_3F;
226 swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE);
227 mask = MASK_X | MASK_Y | MASK_Z;
228 size = 3;
229 break;
230 case 4:
231 format = EMIT_4F;
232 swiz = SWIZZLE_XYZW;
233 mask = MASK_XYZW;
234 size = 4;
235 break;
236 default:
237 continue;
238 }
239 InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i);
240 OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i);
241 EMIT_ATTR(_TNL_ATTRIB_TEX(i), format);
242 ADD_ATTR(VERT_ATTRIB_TEX0 + i, format, SWTCL_OVM_TEX(i), swiz, mask);
243 vap_out_fmt_1 |= size << (i * 3);
244 ++first_free_tex;
245 }
246 }
247 }
248
249 /* RS can't put fragment position on the pixel stack, so stuff it in texcoord if needed */
250 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_POS) && (ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_WPOS)) {
251 if (first_free_tex >= ctx->Const.MaxTextureUnits) {
252 fprintf(stderr, "\tout of free texcoords to write w pos\n");
253 _mesa_exit(-1);
254 }
255
256 InputsRead |= 1 << (VERT_ATTRIB_TEX0 + first_free_tex);
257 OutputsWritten |= 1 << (VERT_RESULT_TEX0 + first_free_tex);
258 EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F );
259 ADD_ATTR(VERT_ATTRIB_POS, EMIT_4F, SWTCL_OVM_TEX(first_free_tex), SWIZZLE_XYZW, MASK_XYZW);
260 vap_out_fmt_1 |= 4 << (first_free_tex * 3);
261 ++first_free_tex;
262 }
263
264 if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_FOG)) {
265 if (first_free_tex >= ctx->Const.MaxTextureUnits) {
266 fprintf(stderr, "\tout of free texcoords to write fog coordinate\n");
267 _mesa_exit(-1);
268 }
269
270 InputsRead |= 1 << VERT_ATTRIB_FOG;
271 OutputsWritten |= 1 << VERT_RESULT_FOGC;
272 GLuint swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO);
273 EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F );
274 ADD_ATTR(VERT_ATTRIB_FOG, EMIT_1F, SWTCL_OVM_TEX(first_free_tex), swiz, MASK_X);
275 vap_out_fmt_1 |= 1 << (first_free_tex * 3);
276 }
277
278 R300_NEWPRIM(rmesa);
279 r300SwtclVAPSetup(ctx, InputsRead, OutputsWritten, vap_out_fmt_1);
280
281 rmesa->radeon.swtcl.vertex_size =
282 _tnl_install_attrs( ctx,
283 rmesa->radeon.swtcl.vertex_attrs,
284 rmesa->radeon.swtcl.vertex_attr_count,
285 NULL, 0 );
286
287 rmesa->radeon.swtcl.vertex_size /= 4;
288
289 RENDERINPUTS_COPY(rmesa->render_inputs_bitset, tnl->render_inputs_bitset);
290 }
291
292
293 static GLuint reduced_prim[] = {
294 GL_POINTS,
295 GL_LINES,
296 GL_LINES,
297 GL_LINES,
298 GL_TRIANGLES,
299 GL_TRIANGLES,
300 GL_TRIANGLES,
301 GL_TRIANGLES,
302 GL_TRIANGLES,
303 GL_TRIANGLES,
304 };
305
306 static void r300RasterPrimitive( GLcontext *ctx, GLuint prim );
307 static void r300RenderPrimitive( GLcontext *ctx, GLenum prim );
308
309 /***********************************************************************
310 * Emit primitives as inline vertices *
311 ***********************************************************************/
312
313
314 #define HAVE_POINTS 1
315 #define HAVE_LINES 1
316 #define HAVE_LINE_STRIPS 1
317 #define HAVE_TRIANGLES 1
318 #define HAVE_TRI_STRIPS 1
319 #define HAVE_TRI_STRIP_1 0
320 #define HAVE_TRI_FANS 1
321 #define HAVE_QUADS 0
322 #define HAVE_QUAD_STRIPS 0
323 #define HAVE_POLYGONS 1
324 #define HAVE_ELTS 1
325
326 #undef LOCAL_VARS
327 #undef ALLOC_VERTS
328 #define CTX_ARG r300ContextPtr rmesa
329 #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size
330 #define ALLOC_VERTS( n, size ) rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 )
331 #define LOCAL_VARS \
332 r300ContextPtr rmesa = R300_CONTEXT(ctx); \
333 const char *r300verts = (char *)rmesa->radeon.swtcl.verts;
334 #define VERT(x) (r300Vertex *)(r300verts + ((x) * vertsize * sizeof(int)))
335 #define VERTEX r300Vertex
336 #undef TAG
337 #define TAG(x) r300_##x
338 #include "tnl_dd/t_dd_triemit.h"
339
340
341
342 /***********************************************************************
343 * Macros for t_dd_tritmp.h to draw basic primitives *
344 ***********************************************************************/
345
346 #define QUAD( a, b, c, d ) r300_quad( rmesa, a, b, c, d )
347 #define TRI( a, b, c ) r300_triangle( rmesa, a, b, c )
348 #define LINE( a, b ) r300_line( rmesa, a, b )
349 #define POINT( a ) r300_point( rmesa, a )
350
351 /***********************************************************************
352 * Build render functions from dd templates *
353 ***********************************************************************/
354
355 #define R300_TWOSIDE_BIT 0x01
356 #define R300_UNFILLED_BIT 0x02
357 #define R300_MAX_TRIFUNC 0x04
358
359 static struct {
360 tnl_points_func points;
361 tnl_line_func line;
362 tnl_triangle_func triangle;
363 tnl_quad_func quad;
364 } rast_tab[R300_MAX_TRIFUNC];
365
366 #define DO_FALLBACK 0
367 #define DO_UNFILLED (IND & R300_UNFILLED_BIT)
368 #define DO_TWOSIDE (IND & R300_TWOSIDE_BIT)
369 #define DO_FLAT 0
370 #define DO_OFFSET 0
371 #define DO_TRI 1
372 #define DO_QUAD 1
373 #define DO_LINE 1
374 #define DO_POINTS 1
375 #define DO_FULL_QUAD 1
376
377 #define HAVE_RGBA 1
378 #define HAVE_SPEC 1
379 #define HAVE_BACK_COLORS 0
380 #define HAVE_HW_FLATSHADE 1
381 #define TAB rast_tab
382
383 #define DEPTH_SCALE 1.0
384 #define UNFILLED_TRI unfilled_tri
385 #define UNFILLED_QUAD unfilled_quad
386 #define VERT_X(_v) _v->v.x
387 #define VERT_Y(_v) _v->v.y
388 #define VERT_Z(_v) _v->v.z
389 #define AREA_IS_CCW( a ) (a < 0)
390 #define GET_VERTEX(e) (rmesa->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int)))
391
392 #define VERT_SET_RGBA( v, c ) \
393 do { \
394 r300_color_t *color = (r300_color_t *)&((v)->ui[coloroffset]); \
395 UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \
396 UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \
397 UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \
398 UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \
399 } while (0)
400
401 #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
402
403 #define VERT_SET_SPEC( v0, c ) \
404 do { \
405 if (specoffset) { \
406 UNCLAMPED_FLOAT_TO_UBYTE(v0->v.specular.red, (c)[0]); \
407 UNCLAMPED_FLOAT_TO_UBYTE(v0->v.specular.green, (c)[1]); \
408 UNCLAMPED_FLOAT_TO_UBYTE(v0->v.specular.blue, (c)[2]); \
409 } \
410 } while (0)
411
412 #define VERT_COPY_SPEC( v0, v1 ) \
413 do { \
414 if (specoffset) { \
415 v0->v.specular.red = v1->v.specular.red; \
416 v0->v.specular.green = v1->v.specular.green; \
417 v0->v.specular.blue = v1->v.specular.blue; \
418 } \
419 } while (0)
420
421 #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
422 #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
423 #define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
424 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
425
426 #undef LOCAL_VARS
427 #undef TAG
428 #undef INIT
429
430 #define LOCAL_VARS(n) \
431 r300ContextPtr rmesa = R300_CONTEXT(ctx); \
432 GLuint color[n] = { 0, }, spec[n] = { 0, }; \
433 GLuint coloroffset = rmesa->swtcl.coloroffset; \
434 GLuint specoffset = rmesa->swtcl.specoffset; \
435 (void) color; (void) spec; (void) coloroffset; (void) specoffset;
436
437 /***********************************************************************
438 * Helpers for rendering unfilled primitives *
439 ***********************************************************************/
440
441 #define RASTERIZE(x) r300RasterPrimitive( ctx, reduced_prim[x] )
442 #define RENDER_PRIMITIVE rmesa->radeon.swtcl.render_primitive
443 #undef TAG
444 #define TAG(x) x
445 #include "tnl_dd/t_dd_unfilled.h"
446 #undef IND
447
448
449 /***********************************************************************
450 * Generate GL render functions *
451 ***********************************************************************/
452
453
454 #define IND (0)
455 #define TAG(x) x
456 #include "tnl_dd/t_dd_tritmp.h"
457
458 #define IND (R300_TWOSIDE_BIT)
459 #define TAG(x) x##_twoside
460 #include "tnl_dd/t_dd_tritmp.h"
461
462 #define IND (R300_UNFILLED_BIT)
463 #define TAG(x) x##_unfilled
464 #include "tnl_dd/t_dd_tritmp.h"
465
466 #define IND (R300_TWOSIDE_BIT|R300_UNFILLED_BIT)
467 #define TAG(x) x##_twoside_unfilled
468 #include "tnl_dd/t_dd_tritmp.h"
469
470
471
472 static void init_rast_tab( void )
473 {
474 init();
475 init_twoside();
476 init_unfilled();
477 init_twoside_unfilled();
478 }
479
480 /**********************************************************************/
481 /* Render unclipped begin/end objects */
482 /**********************************************************************/
483
484 #define RENDER_POINTS( start, count ) \
485 for ( ; start < count ; start++) \
486 r300_point( rmesa, VERT(start) )
487 #define RENDER_LINE( v0, v1 ) \
488 r300_line( rmesa, VERT(v0), VERT(v1) )
489 #define RENDER_TRI( v0, v1, v2 ) \
490 r300_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
491 #define RENDER_QUAD( v0, v1, v2, v3 ) \
492 r300_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
493 #define INIT(x) do { \
494 r300RenderPrimitive( ctx, x ); \
495 } while (0)
496 #undef LOCAL_VARS
497 #define LOCAL_VARS \
498 r300ContextPtr rmesa = R300_CONTEXT(ctx); \
499 const GLuint vertsize = rmesa->radeon.swtcl.vertex_size; \
500 const char *r300verts = (char *)rmesa->radeon.swtcl.verts; \
501 const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
502 const GLboolean stipple = ctx->Line.StippleFlag; \
503 (void) elt; (void) stipple;
504 #define RESET_STIPPLE //if ( stipple ) r200ResetLineStipple( ctx );
505 #define RESET_OCCLUSION
506 #define PRESERVE_VB_DEFS
507 #define ELT(x) (x)
508 #define TAG(x) r300_##x##_verts
509 #include "tnl/t_vb_rendertmp.h"
510 #undef ELT
511 #undef TAG
512 #define TAG(x) r300_##x##_elts
513 #define ELT(x) elt[x]
514 #include "tnl/t_vb_rendertmp.h"
515
516
517
518
519 /**********************************************************************/
520 /* Choose render functions */
521 /**********************************************************************/
522 static void r300ChooseRenderState( GLcontext *ctx )
523 {
524 TNLcontext *tnl = TNL_CONTEXT(ctx);
525 r300ContextPtr rmesa = R300_CONTEXT(ctx);
526 GLuint index = 0;
527 GLuint flags = ctx->_TriangleCaps;
528
529 if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R300_TWOSIDE_BIT;
530 if (flags & DD_TRI_UNFILLED) index |= R300_UNFILLED_BIT;
531
532 if (index != rmesa->radeon.swtcl.RenderIndex) {
533 tnl->Driver.Render.Points = rast_tab[index].points;
534 tnl->Driver.Render.Line = rast_tab[index].line;
535 tnl->Driver.Render.ClippedLine = rast_tab[index].line;
536 tnl->Driver.Render.Triangle = rast_tab[index].triangle;
537 tnl->Driver.Render.Quad = rast_tab[index].quad;
538
539 if (index == 0) {
540 tnl->Driver.Render.PrimTabVerts = r300_render_tab_verts;
541 tnl->Driver.Render.PrimTabElts = r300_render_tab_elts;
542 tnl->Driver.Render.ClippedPolygon = r300_fast_clipped_poly;
543 } else {
544 tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
545 tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
546 tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
547 }
548
549 rmesa->radeon.swtcl.RenderIndex = index;
550 }
551 }
552
553
554 static void r300RenderStart(GLcontext *ctx)
555 {
556 r300ContextPtr rmesa = R300_CONTEXT( ctx );
557
558 r300ChooseRenderState(ctx);
559 r300SetVertexFormat(ctx);
560
561 r300ValidateBuffers(ctx);
562
563 r300UpdateShaders(rmesa);
564 r300UpdateShaderStates(rmesa);
565
566 r300EmitCacheFlush(rmesa);
567
568 /* investigate if we can put back flush optimisation if needed */
569 if (rmesa->radeon.dma.flush != NULL) {
570 rmesa->radeon.dma.flush(ctx);
571 }
572 }
573
574 static void r300RenderFinish(GLcontext *ctx)
575 {
576 }
577
578 static void r300RasterPrimitive( GLcontext *ctx, GLuint hwprim )
579 {
580 r300ContextPtr rmesa = R300_CONTEXT(ctx);
581
582 if (rmesa->radeon.swtcl.hw_primitive != hwprim) {
583 R300_NEWPRIM( rmesa );
584 rmesa->radeon.swtcl.hw_primitive = hwprim;
585 }
586 }
587
588 static void r300RenderPrimitive(GLcontext *ctx, GLenum prim)
589 {
590
591 r300ContextPtr rmesa = R300_CONTEXT(ctx);
592 rmesa->radeon.swtcl.render_primitive = prim;
593
594 if ((prim == GL_TRIANGLES) && (ctx->_TriangleCaps & DD_TRI_UNFILLED))
595 return;
596
597 r300RasterPrimitive( ctx, reduced_prim[prim] );
598 }
599
600 static void r300ResetLineStipple(GLcontext *ctx)
601 {
602 }
603
604 void r300InitSwtcl(GLcontext *ctx)
605 {
606 TNLcontext *tnl = TNL_CONTEXT(ctx);
607 r300ContextPtr rmesa = R300_CONTEXT(ctx);
608 static int firsttime = 1;
609
610 if (firsttime) {
611 init_rast_tab();
612 firsttime = 0;
613 }
614
615 tnl->Driver.Render.Start = r300RenderStart;
616 tnl->Driver.Render.Finish = r300RenderFinish;
617 tnl->Driver.Render.PrimitiveNotify = r300RenderPrimitive;
618 tnl->Driver.Render.ResetLineStipple = r300ResetLineStipple;
619 tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
620 tnl->Driver.Render.CopyPV = _tnl_copy_pv;
621 tnl->Driver.Render.Interp = _tnl_interp;
622
623 /* FIXME: what are these numbers? */
624 _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
625 48 * sizeof(GLfloat) );
626
627 rmesa->radeon.swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf;
628 rmesa->radeon.swtcl.RenderIndex = ~0;
629 rmesa->radeon.swtcl.render_primitive = GL_TRIANGLES;
630 rmesa->radeon.swtcl.hw_primitive = 0;
631
632 _tnl_invalidate_vertex_state( ctx, ~0 );
633 _tnl_invalidate_vertices( ctx, ~0 );
634
635 _tnl_need_projected_coords( ctx, GL_FALSE );
636 r300ChooseRenderState(ctx);
637 }
638
639 void r300DestroySwtcl(GLcontext *ctx)
640 {
641 }
642
643 static void r300EmitVertexAOS(r300ContextPtr rmesa, GLuint vertex_size, struct radeon_bo *bo, GLuint offset)
644 {
645 BATCH_LOCALS(&rmesa->radeon);
646
647 if (RADEON_DEBUG & DEBUG_VERTS)
648 fprintf(stderr, "%s: vertex_size %d, offset 0x%x \n",
649 __FUNCTION__, vertex_size, offset);
650
651 BEGIN_BATCH(7);
652 OUT_BATCH_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, 2);
653 OUT_BATCH(1);
654 OUT_BATCH(vertex_size | (vertex_size << 8));
655 OUT_BATCH_RELOC(offset, bo, offset, RADEON_GEM_DOMAIN_GTT, 0, 0);
656 END_BATCH();
657 }
658
659 static void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr)
660 {
661 BATCH_LOCALS(&rmesa->radeon);
662 int type, num_verts;
663
664 type = r300PrimitiveType(rmesa, primitive);
665 num_verts = r300NumVerts(rmesa, vertex_nr, primitive);
666
667 BEGIN_BATCH(3);
668 OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
669 OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (num_verts << 16) | type);
670 END_BATCH();
671 }
672
673 void r300_swtcl_flush(GLcontext *ctx, uint32_t current_offset)
674 {
675 r300ContextPtr rmesa = R300_CONTEXT(ctx);
676
677 rcommonEnsureCmdBufSpace(&rmesa->radeon,
678 rmesa->radeon.hw.max_state_size + (12*sizeof(int)),
679 __FUNCTION__);
680 radeonEmitState(&rmesa->radeon);
681 r300EmitVertexAOS(rmesa,
682 rmesa->radeon.swtcl.vertex_size,
683 rmesa->radeon.dma.current,
684 current_offset);
685
686 r300EmitVbufPrim(rmesa,
687 rmesa->radeon.swtcl.hw_primitive,
688 rmesa->radeon.swtcl.numverts);
689 r300EmitCacheFlush(rmesa);
690 COMMIT_BATCH();
691 }