1 /**************************************************************************
2
3 Copyright 2002-2008 VMware, Inc.
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 VMWARE AND/OR THEIR 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 * Keith Whitwell <keithw@vmware.com>
31 */
32
33 #include "main/glheader.h"
34 #include "main/bufferobj.h"
35 #include "main/context.h"
36 #include "main/macros.h"
37 #include "main/vtxfmt.h"
38 #include "main/dlist.h"
39 #include "main/eval.h"
40 #include "main/state.h"
41 #include "main/light.h"
42 #include "main/api_arrayelt.h"
43 #include "main/api_validate.h"
44 #include "main/dispatch.h"
45 #include "util/bitscan.h"
46
47 #include "vbo_context.h"
48 #include "vbo_noop.h"
49
50
51 /** ID/name for immediate-mode VBO */
52 #define IMM_BUFFER_NAME 0xaabbccdd
53
54
55 static void
56 vbo_reset_all_attr(struct vbo_exec_context *exec);
57
58
59 /**
60 * Close off the last primitive, execute the buffer, restart the
61 * primitive. This is called when we fill a vertex buffer before
62 * hitting glEnd.
63 */
64 static void
vbo_exec_wrap_buffers(struct vbo_exec_context * exec)65 vbo_exec_wrap_buffers(struct vbo_exec_context *exec)
66 {
67 if (exec->vtx.prim_count == 0) {
68 exec->vtx.copied.nr = 0;
69 exec->vtx.vert_count = 0;
70 exec->vtx.buffer_ptr = exec->vtx.buffer_map;
71 }
72 else {
73 struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1];
74 const GLuint last_begin = last_prim->begin;
75 GLuint last_count;
76
77 if (_mesa_inside_begin_end(exec->ctx)) {
78 last_prim->count = exec->vtx.vert_count - last_prim->start;
79 }
80
81 last_count = last_prim->count;
82
83 /* Special handling for wrapping GL_LINE_LOOP */
84 if (last_prim->mode == GL_LINE_LOOP &&
85 last_count > 0 &&
86 !last_prim->end) {
87 /* draw this section of the incomplete line loop as a line strip */
88 last_prim->mode = GL_LINE_STRIP;
89 if (!last_prim->begin) {
90 /* This is not the first section of the line loop, so don't
91 * draw the 0th vertex. We're saving it until we draw the
92 * very last section of the loop.
93 */
94 last_prim->start++;
95 last_prim->count--;
96 }
97 }
98
99 /* Execute the buffer and save copied vertices.
100 */
101 if (exec->vtx.vert_count)
102 vbo_exec_vtx_flush(exec, GL_FALSE);
103 else {
104 exec->vtx.prim_count = 0;
105 exec->vtx.copied.nr = 0;
106 }
107
108 /* Emit a glBegin to start the new list.
109 */
110 assert(exec->vtx.prim_count == 0);
111
112 if (_mesa_inside_begin_end(exec->ctx)) {
113 exec->vtx.prim[0].mode = exec->ctx->Driver.CurrentExecPrimitive;
114 exec->vtx.prim[0].begin = 0;
115 exec->vtx.prim[0].end = 0;
116 exec->vtx.prim[0].start = 0;
117 exec->vtx.prim[0].count = 0;
118 exec->vtx.prim_count++;
119
120 if (exec->vtx.copied.nr == last_count)
121 exec->vtx.prim[0].begin = last_begin;
122 }
123 }
124 }
125
126
127 /**
128 * Deal with buffer wrapping where provoked by the vertex buffer
129 * filling up, as opposed to upgrade_vertex().
130 */
131 static void
vbo_exec_vtx_wrap(struct vbo_exec_context * exec)132 vbo_exec_vtx_wrap(struct vbo_exec_context *exec)
133 {
134 unsigned numComponents;
135
136 /* Run pipeline on current vertices, copy wrapped vertices
137 * to exec->vtx.copied.
138 */
139 vbo_exec_wrap_buffers(exec);
140
141 if (!exec->vtx.buffer_ptr) {
142 /* probably ran out of memory earlier when allocating the VBO */
143 return;
144 }
145
146 /* Copy stored stored vertices to start of new list.
147 */
148 assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr);
149
150 numComponents = exec->vtx.copied.nr * exec->vtx.vertex_size;
151 memcpy(exec->vtx.buffer_ptr,
152 exec->vtx.copied.buffer,
153 numComponents * sizeof(fi_type));
154 exec->vtx.buffer_ptr += numComponents;
155 exec->vtx.vert_count += exec->vtx.copied.nr;
156
157 exec->vtx.copied.nr = 0;
158 }
159
160
161 /**
162 * Copy the active vertex's values to the ctx->Current fields.
163 */
164 static void
vbo_exec_copy_to_current(struct vbo_exec_context * exec)165 vbo_exec_copy_to_current(struct vbo_exec_context *exec)
166 {
167 struct gl_context *ctx = exec->ctx;
168 struct vbo_context *vbo = vbo_context(ctx);
169 GLbitfield64 enabled = exec->vtx.enabled & (~BITFIELD64_BIT(VBO_ATTRIB_POS));
170
171 while (enabled) {
172 const int i = u_bit_scan64(&enabled);
173
174 /* Note: the exec->vtx.current[i] pointers point into the
175 * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays.
176 */
177 GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
178 fi_type tmp[8]; /* space for doubles */
179 int dmul = 1;
180
181 if (exec->vtx.attrtype[i] == GL_DOUBLE ||
182 exec->vtx.attrtype[i] == GL_UNSIGNED_INT64_ARB)
183 dmul = 2;
184
185 assert(exec->vtx.attrsz[i]);
186
187 if (exec->vtx.attrtype[i] == GL_DOUBLE ||
188 exec->vtx.attrtype[i] == GL_UNSIGNED_INT64_ARB) {
189 memset(tmp, 0, sizeof(tmp));
190 memcpy(tmp, exec->vtx.attrptr[i], exec->vtx.attrsz[i] * sizeof(GLfloat));
191 } else {
192 COPY_CLEAN_4V_TYPE_AS_UNION(tmp,
193 exec->vtx.attrsz[i],
194 exec->vtx.attrptr[i],
195 exec->vtx.attrtype[i]);
196 }
197
198 if (exec->vtx.attrtype[i] != vbo->currval[i].Type ||
199 memcmp(current, tmp, 4 * sizeof(GLfloat) * dmul) != 0) {
200 memcpy(current, tmp, 4 * sizeof(GLfloat) * dmul);
201
202 /* Given that we explicitly state size here, there is no need
203 * for the COPY_CLEAN above, could just copy 16 bytes and be
204 * done. The only problem is when Mesa accesses ctx->Current
205 * directly.
206 */
207 /* Size here is in components - not bytes */
208 vbo->currval[i].Size = exec->vtx.attrsz[i] / dmul;
209 vbo->currval[i]._ElementSize =
210 vbo->currval[i].Size * sizeof(GLfloat) * dmul;
211 vbo->currval[i].Type = exec->vtx.attrtype[i];
212 vbo->currval[i].Integer =
213 vbo_attrtype_to_integer_flag(exec->vtx.attrtype[i]);
214 vbo->currval[i].Doubles =
215 vbo_attrtype_to_double_flag(exec->vtx.attrtype[i]);
216
217 /* This triggers rather too much recalculation of Mesa state
218 * that doesn't get used (eg light positions).
219 */
220 if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT &&
221 i <= VBO_ATTRIB_MAT_BACK_INDEXES)
222 ctx->NewState |= _NEW_LIGHT;
223
224 ctx->NewState |= _NEW_CURRENT_ATTRIB;
225 }
226 }
227
228 /* Colormaterial -- this kindof sucks.
229 */
230 if (ctx->Light.ColorMaterialEnabled &&
231 exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) {
232 _mesa_update_color_material(ctx,
233 ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
234 }
235 }
236
237
238 /**
239 * Copy current vertex attribute values into the current vertex.
240 */
241 static void
vbo_exec_copy_from_current(struct vbo_exec_context * exec)242 vbo_exec_copy_from_current(struct vbo_exec_context *exec)
243 {
244 struct gl_context *ctx = exec->ctx;
245 struct vbo_context *vbo = vbo_context(ctx);
246 GLint i;
247
248 for (i = VBO_ATTRIB_POS + 1; i < VBO_ATTRIB_MAX; i++) {
249 if (exec->vtx.attrtype[i] == GL_DOUBLE ||
250 exec->vtx.attrtype[i] == GL_UNSIGNED_INT64_ARB) {
251 memcpy(exec->vtx.attrptr[i], vbo->currval[i].Ptr,
252 exec->vtx.attrsz[i] * sizeof(GLfloat));
253 } else {
254 const fi_type *current = (fi_type *) vbo->currval[i].Ptr;
255 switch (exec->vtx.attrsz[i]) {
256 case 4: exec->vtx.attrptr[i][3] = current[3];
257 case 3: exec->vtx.attrptr[i][2] = current[2];
258 case 2: exec->vtx.attrptr[i][1] = current[1];
259 case 1: exec->vtx.attrptr[i][0] = current[0];
260 break;
261 }
262 }
263 }
264 }
265
266
267 /**
268 * Flush existing data, set new attrib size, replay copied vertices.
269 * This is called when we transition from a small vertex attribute size
270 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f.
271 * We need to go back over the previous 2-component texcoords and insert
272 * zero and one values.
273 * \param attr VBO_ATTRIB_x vertex attribute value
274 */
275 static void
vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context * exec,GLuint attr,GLuint newSize)276 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context *exec,
277 GLuint attr, GLuint newSize)
278 {
279 struct gl_context *ctx = exec->ctx;
280 struct vbo_context *vbo = vbo_context(ctx);
281 const GLint lastcount = exec->vtx.vert_count;
282 fi_type *old_attrptr[VBO_ATTRIB_MAX];
283 const GLuint old_vtx_size = exec->vtx.vertex_size; /* floats per vertex */
284 const GLuint oldSize = exec->vtx.attrsz[attr];
285 GLuint i;
286
287 assert(attr < VBO_ATTRIB_MAX);
288
289 /* Run pipeline on current vertices, copy wrapped vertices
290 * to exec->vtx.copied.
291 */
292 vbo_exec_wrap_buffers(exec);
293
294 if (unlikely(exec->vtx.copied.nr)) {
295 /* We're in the middle of a primitive, keep the old vertex
296 * format around to be able to translate the copied vertices to
297 * the new format.
298 */
299 memcpy(old_attrptr, exec->vtx.attrptr, sizeof(old_attrptr));
300 }
301
302 if (unlikely(oldSize)) {
303 /* Do a COPY_TO_CURRENT to ensure back-copying works for the
304 * case when the attribute already exists in the vertex and is
305 * having its size increased.
306 */
307 vbo_exec_copy_to_current(exec);
308 }
309
310 /* Heuristic: Attempt to isolate attributes received outside
311 * begin/end so that they don't bloat the vertices.
312 */
313 if (!_mesa_inside_begin_end(ctx) &&
314 !oldSize && lastcount > 8 && exec->vtx.vertex_size) {
315 vbo_exec_copy_to_current(exec);
316 vbo_reset_all_attr(exec);
317 }
318
319 /* Fix up sizes:
320 */
321 exec->vtx.attrsz[attr] = newSize;
322 exec->vtx.vertex_size += newSize - oldSize;
323 exec->vtx.max_vert = vbo_compute_max_verts(exec);
324 exec->vtx.vert_count = 0;
325 exec->vtx.buffer_ptr = exec->vtx.buffer_map;
326 exec->vtx.enabled |= BITFIELD64_BIT(attr);
327
328 if (unlikely(oldSize)) {
329 /* Size changed, recalculate all the attrptr[] values
330 */
331 fi_type *tmp = exec->vtx.vertex;
332
333 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
334 if (exec->vtx.attrsz[i]) {
335 exec->vtx.attrptr[i] = tmp;
336 tmp += exec->vtx.attrsz[i];
337 }
338 else
339 exec->vtx.attrptr[i] = NULL; /* will not be dereferenced */
340 }
341
342 /* Copy from current to repopulate the vertex with correct
343 * values.
344 */
345 vbo_exec_copy_from_current(exec);
346 }
347 else {
348 /* Just have to append the new attribute at the end */
349 exec->vtx.attrptr[attr] = exec->vtx.vertex +
350 exec->vtx.vertex_size - newSize;
351 }
352
353 /* Replay stored vertices to translate them
354 * to new format here.
355 *
356 * -- No need to replay - just copy piecewise
357 */
358 if (unlikely(exec->vtx.copied.nr)) {
359 fi_type *data = exec->vtx.copied.buffer;
360 fi_type *dest = exec->vtx.buffer_ptr;
361
362 assert(exec->vtx.buffer_ptr == exec->vtx.buffer_map);
363
364 for (i = 0 ; i < exec->vtx.copied.nr ; i++) {
365 GLbitfield64 enabled = exec->vtx.enabled;
366 while (enabled) {
367 const int j = u_bit_scan64(&enabled);
368 GLuint sz = exec->vtx.attrsz[j];
369 GLint old_offset = old_attrptr[j] - exec->vtx.vertex;
370 GLint new_offset = exec->vtx.attrptr[j] - exec->vtx.vertex;
371
372 assert(sz);
373
374 if (j == attr) {
375 if (oldSize) {
376 fi_type tmp[4];
377 COPY_CLEAN_4V_TYPE_AS_UNION(tmp, oldSize,
378 data + old_offset,
379 exec->vtx.attrtype[j]);
380 COPY_SZ_4V(dest + new_offset, newSize, tmp);
381 } else {
382 fi_type *current = (fi_type *)vbo->currval[j].Ptr;
383 COPY_SZ_4V(dest + new_offset, sz, current);
384 }
385 }
386 else {
387 COPY_SZ_4V(dest + new_offset, sz, data + old_offset);
388 }
389 }
390
391 data += old_vtx_size;
392 dest += exec->vtx.vertex_size;
393 }
394
395 exec->vtx.buffer_ptr = dest;
396 exec->vtx.vert_count += exec->vtx.copied.nr;
397 exec->vtx.copied.nr = 0;
398 }
399 }
400
401
402 /**
403 * This is when a vertex attribute transitions to a different size.
404 * For example, we saw a bunch of glTexCoord2f() calls and now we got a
405 * glTexCoord4f() call. We promote the array from size=2 to size=4.
406 * \param newSize size of new vertex (number of 32-bit words).
407 * \param attr VBO_ATTRIB_x vertex attribute value
408 */
409 static void
vbo_exec_fixup_vertex(struct gl_context * ctx,GLuint attr,GLuint newSize,GLenum newType)410 vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr,
411 GLuint newSize, GLenum newType)
412 {
413 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
414
415 assert(attr < VBO_ATTRIB_MAX);
416
417 if (newSize > exec->vtx.attrsz[attr] ||
418 newType != exec->vtx.attrtype[attr]) {
419 /* New size is larger. Need to flush existing vertices and get
420 * an enlarged vertex format.
421 */
422 vbo_exec_wrap_upgrade_vertex(exec, attr, newSize);
423 }
424 else if (newSize < exec->vtx.active_sz[attr]) {
425 GLuint i;
426 const fi_type *id =
427 vbo_get_default_vals_as_union(exec->vtx.attrtype[attr]);
428
429 /* New size is smaller - just need to fill in some
430 * zeros. Don't need to flush or wrap.
431 */
432 for (i = newSize; i <= exec->vtx.attrsz[attr]; i++)
433 exec->vtx.attrptr[attr][i-1] = id[i-1];
434 }
435
436 exec->vtx.active_sz[attr] = newSize;
437 exec->vtx.attrtype[attr] = newType;
438
439 /* Does setting NeedFlush belong here? Necessitates resetting
440 * vtxfmt on each flush (otherwise flags won't get reset
441 * afterwards).
442 */
443 if (attr == 0)
444 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
445 }
446
447
448 /**
449 * Called upon first glVertex, glColor, glTexCoord, etc.
450 */
451 static void
vbo_exec_begin_vertices(struct gl_context * ctx)452 vbo_exec_begin_vertices(struct gl_context *ctx)
453 {
454 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
455
456 vbo_exec_vtx_map(exec);
457
458 assert((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0);
459 assert(exec->begin_vertices_flags);
460
461 ctx->Driver.NeedFlush |= exec->begin_vertices_flags;
462 }
463
464
465 /**
466 * This macro is used to implement all the glVertex, glColor, glTexCoord,
467 * glVertexAttrib, etc functions.
468 * \param A VBO_ATTRIB_x attribute index
469 * \param N attribute size (1..4)
470 * \param T type (GL_FLOAT, GL_DOUBLE, GL_INT, GL_UNSIGNED_INT)
471 * \param C cast type (fi_type or double)
472 * \param V0, V1, v2, V3 attribute value
473 */
474 #define ATTR_UNION(A, N, T, C, V0, V1, V2, V3) \
475 do { \
476 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \
477 int sz = (sizeof(C) / sizeof(GLfloat)); \
478 \
479 assert(sz == 1 || sz == 2); \
480 \
481 /* check if attribute size or type is changing */ \
482 if (unlikely(exec->vtx.active_sz[A] != N * sz) || \
483 unlikely(exec->vtx.attrtype[A] != T)) { \
484 vbo_exec_fixup_vertex(ctx, A, N * sz, T); \
485 } \
486 \
487 /* store vertex attribute in vertex buffer */ \
488 { \
489 C *dest = (C *)exec->vtx.attrptr[A]; \
490 if (N>0) dest[0] = V0; \
491 if (N>1) dest[1] = V1; \
492 if (N>2) dest[2] = V2; \
493 if (N>3) dest[3] = V3; \
494 assert(exec->vtx.attrtype[A] == T); \
495 } \
496 \
497 if ((A) == 0) { \
498 /* This is a glVertex call */ \
499 GLuint i; \
500 \
501 if (unlikely((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0)) { \
502 vbo_exec_begin_vertices(ctx); \
503 } \
504 \
505 if (unlikely(!exec->vtx.buffer_ptr)) { \
506 vbo_exec_vtx_map(exec); \
507 } \
508 assert(exec->vtx.buffer_ptr); \
509 \
510 /* copy 32-bit words */ \
511 for (i = 0; i < exec->vtx.vertex_size; i++) \
512 exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \
513 \
514 exec->vtx.buffer_ptr += exec->vtx.vertex_size; \
515 \
516 /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \
517 /* something to draw (not just updating a color or texcoord).*/ \
518 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \
519 \
520 if (++exec->vtx.vert_count >= exec->vtx.max_vert) \
521 vbo_exec_vtx_wrap(exec); \
522 } else { \
523 /* we now have accumulated per-vertex attributes */ \
524 ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; \
525 } \
526 } while (0)
527
528
529 #undef ERROR
530 #define ERROR(err) _mesa_error(ctx, err, __func__)
531 #define TAG(x) vbo_##x
532
533 #include "vbo_attrib_tmp.h"
534
535
536
537 /**
538 * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled,
539 * this may be a (partial) no-op.
540 */
541 static void GLAPIENTRY
vbo_Materialfv(GLenum face,GLenum pname,const GLfloat * params)542 vbo_Materialfv(GLenum face, GLenum pname, const GLfloat *params)
543 {
544 GLbitfield updateMats;
545 GET_CURRENT_CONTEXT(ctx);
546
547 /* This function should be a no-op when it tries to update material
548 * attributes which are currently tracking glColor via glColorMaterial.
549 * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits
550 * indicating which material attributes can actually be updated below.
551 */
552 if (ctx->Light.ColorMaterialEnabled) {
553 updateMats = ~ctx->Light._ColorMaterialBitmask;
554 }
555 else {
556 /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */
557 updateMats = ALL_MATERIAL_BITS;
558 }
559
560 if (ctx->API == API_OPENGL_COMPAT && face == GL_FRONT) {
561 updateMats &= FRONT_MATERIAL_BITS;
562 }
563 else if (ctx->API == API_OPENGL_COMPAT && face == GL_BACK) {
564 updateMats &= BACK_MATERIAL_BITS;
565 }
566 else if (face != GL_FRONT_AND_BACK) {
567 _mesa_error(ctx, GL_INVALID_ENUM, "glMaterial(invalid face)");
568 return;
569 }
570
571 switch (pname) {
572 case GL_EMISSION:
573 if (updateMats & MAT_BIT_FRONT_EMISSION)
574 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION, 4, params);
575 if (updateMats & MAT_BIT_BACK_EMISSION)
576 MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION, 4, params);
577 break;
578 case GL_AMBIENT:
579 if (updateMats & MAT_BIT_FRONT_AMBIENT)
580 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT, 4, params);
581 if (updateMats & MAT_BIT_BACK_AMBIENT)
582 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT, 4, params);
583 break;
584 case GL_DIFFUSE:
585 if (updateMats & MAT_BIT_FRONT_DIFFUSE)
586 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE, 4, params);
587 if (updateMats & MAT_BIT_BACK_DIFFUSE)
588 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE, 4, params);
589 break;
590 case GL_SPECULAR:
591 if (updateMats & MAT_BIT_FRONT_SPECULAR)
592 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR, 4, params);
593 if (updateMats & MAT_BIT_BACK_SPECULAR)
594 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR, 4, params);
595 break;
596 case GL_SHININESS:
597 if (*params < 0 || *params > ctx->Const.MaxShininess) {
598 _mesa_error(ctx, GL_INVALID_VALUE,
599 "glMaterial(invalid shininess: %f out range [0, %f])",
600 *params, ctx->Const.MaxShininess);
601 return;
602 }
603 if (updateMats & MAT_BIT_FRONT_SHININESS)
604 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS, 1, params);
605 if (updateMats & MAT_BIT_BACK_SHININESS)
606 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS, 1, params);
607 break;
608 case GL_COLOR_INDEXES:
609 if (ctx->API != API_OPENGL_COMPAT) {
610 _mesa_error(ctx, GL_INVALID_ENUM, "glMaterialfv(pname)");
611 return;
612 }
613 if (updateMats & MAT_BIT_FRONT_INDEXES)
614 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES, 3, params);
615 if (updateMats & MAT_BIT_BACK_INDEXES)
616 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES, 3, params);
617 break;
618 case GL_AMBIENT_AND_DIFFUSE:
619 if (updateMats & MAT_BIT_FRONT_AMBIENT)
620 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT, 4, params);
621 if (updateMats & MAT_BIT_FRONT_DIFFUSE)
622 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE, 4, params);
623 if (updateMats & MAT_BIT_BACK_AMBIENT)
624 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT, 4, params);
625 if (updateMats & MAT_BIT_BACK_DIFFUSE)
626 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE, 4, params);
627 break;
628 default:
629 _mesa_error(ctx, GL_INVALID_ENUM, "glMaterialfv(pname)");
630 return;
631 }
632 }
633
634
635 /**
636 * Flush (draw) vertices.
637 * \param unmap - leave VBO unmapped after flushing?
638 */
639 static void
vbo_exec_FlushVertices_internal(struct vbo_exec_context * exec,GLboolean unmap)640 vbo_exec_FlushVertices_internal(struct vbo_exec_context *exec, GLboolean unmap)
641 {
642 if (exec->vtx.vert_count || unmap) {
643 vbo_exec_vtx_flush(exec, unmap);
644 }
645
646 if (exec->vtx.vertex_size) {
647 vbo_exec_copy_to_current(exec);
648 vbo_reset_all_attr(exec);
649 }
650 }
651
652
653 static void GLAPIENTRY
vbo_exec_EvalCoord1f(GLfloat u)654 vbo_exec_EvalCoord1f(GLfloat u)
655 {
656 GET_CURRENT_CONTEXT(ctx);
657 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
658
659 {
660 GLint i;
661 if (exec->eval.recalculate_maps)
662 vbo_exec_eval_update(exec);
663
664 for (i = 0; i <= VBO_ATTRIB_TEX7; i++) {
665 if (exec->eval.map1[i].map)
666 if (exec->vtx.active_sz[i] != exec->eval.map1[i].sz)
667 vbo_exec_fixup_vertex(ctx, i, exec->eval.map1[i].sz, GL_FLOAT);
668 }
669 }
670
671 memcpy(exec->vtx.copied.buffer, exec->vtx.vertex,
672 exec->vtx.vertex_size * sizeof(GLfloat));
673
674 vbo_exec_do_EvalCoord1f(exec, u);
675
676 memcpy(exec->vtx.vertex, exec->vtx.copied.buffer,
677 exec->vtx.vertex_size * sizeof(GLfloat));
678 }
679
680
681 static void GLAPIENTRY
vbo_exec_EvalCoord2f(GLfloat u,GLfloat v)682 vbo_exec_EvalCoord2f(GLfloat u, GLfloat v)
683 {
684 GET_CURRENT_CONTEXT(ctx);
685 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
686
687 {
688 GLint i;
689 if (exec->eval.recalculate_maps)
690 vbo_exec_eval_update(exec);
691
692 for (i = 0; i <= VBO_ATTRIB_TEX7; i++) {
693 if (exec->eval.map2[i].map)
694 if (exec->vtx.active_sz[i] != exec->eval.map2[i].sz)
695 vbo_exec_fixup_vertex(ctx, i, exec->eval.map2[i].sz, GL_FLOAT);
696 }
697
698 if (ctx->Eval.AutoNormal)
699 if (exec->vtx.active_sz[VBO_ATTRIB_NORMAL] != 3)
700 vbo_exec_fixup_vertex(ctx, VBO_ATTRIB_NORMAL, 3, GL_FLOAT);
701 }
702
703 memcpy(exec->vtx.copied.buffer, exec->vtx.vertex,
704 exec->vtx.vertex_size * sizeof(GLfloat));
705
706 vbo_exec_do_EvalCoord2f(exec, u, v);
707
708 memcpy(exec->vtx.vertex, exec->vtx.copied.buffer,
709 exec->vtx.vertex_size * sizeof(GLfloat));
710 }
711
712
713 static void GLAPIENTRY
vbo_exec_EvalCoord1fv(const GLfloat * u)714 vbo_exec_EvalCoord1fv(const GLfloat *u)
715 {
716 vbo_exec_EvalCoord1f(u[0]);
717 }
718
719
720 static void GLAPIENTRY
vbo_exec_EvalCoord2fv(const GLfloat * u)721 vbo_exec_EvalCoord2fv(const GLfloat *u)
722 {
723 vbo_exec_EvalCoord2f(u[0], u[1]);
724 }
725
726
727 static void GLAPIENTRY
vbo_exec_EvalPoint1(GLint i)728 vbo_exec_EvalPoint1(GLint i)
729 {
730 GET_CURRENT_CONTEXT(ctx);
731 GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) /
732 (GLfloat) ctx->Eval.MapGrid1un);
733 GLfloat u = i * du + ctx->Eval.MapGrid1u1;
734
735 vbo_exec_EvalCoord1f(u);
736 }
737
738
739 static void GLAPIENTRY
vbo_exec_EvalPoint2(GLint i,GLint j)740 vbo_exec_EvalPoint2(GLint i, GLint j)
741 {
742 GET_CURRENT_CONTEXT(ctx);
743 GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) /
744 (GLfloat) ctx->Eval.MapGrid2un);
745 GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) /
746 (GLfloat) ctx->Eval.MapGrid2vn);
747 GLfloat u = i * du + ctx->Eval.MapGrid2u1;
748 GLfloat v = j * dv + ctx->Eval.MapGrid2v1;
749
750 vbo_exec_EvalCoord2f(u, v);
751 }
752
753
754 /**
755 * Called via glBegin.
756 */
757 static void GLAPIENTRY
vbo_exec_Begin(GLenum mode)758 vbo_exec_Begin(GLenum mode)
759 {
760 GET_CURRENT_CONTEXT(ctx);
761 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
762 int i;
763
764 if (_mesa_inside_begin_end(ctx)) {
765 _mesa_error(ctx, GL_INVALID_OPERATION, "glBegin");
766 return;
767 }
768
769 if (!_mesa_valid_prim_mode(ctx, mode, "glBegin")) {
770 return;
771 }
772
773 vbo_draw_method(vbo_context(ctx), DRAW_BEGIN_END);
774
775 if (ctx->NewState) {
776 _mesa_update_state(ctx);
777
778 CALL_Begin(ctx->Exec, (mode));
779 return;
780 }
781
782 if (!_mesa_valid_to_render(ctx, "glBegin")) {
783 return;
784 }
785
786 /* Heuristic: attempt to isolate attributes occurring outside
787 * begin/end pairs.
788 */
789 if (exec->vtx.vertex_size && !exec->vtx.attrsz[0])
790 vbo_exec_FlushVertices_internal(exec, GL_FALSE);
791
792 i = exec->vtx.prim_count++;
793 exec->vtx.prim[i].mode = mode;
794 exec->vtx.prim[i].begin = 1;
795 exec->vtx.prim[i].end = 0;
796 exec->vtx.prim[i].indexed = 0;
797 exec->vtx.prim[i].weak = 0;
798 exec->vtx.prim[i].pad = 0;
799 exec->vtx.prim[i].start = exec->vtx.vert_count;
800 exec->vtx.prim[i].count = 0;
801 exec->vtx.prim[i].num_instances = 1;
802 exec->vtx.prim[i].base_instance = 0;
803 exec->vtx.prim[i].is_indirect = 0;
804
805 ctx->Driver.CurrentExecPrimitive = mode;
806
807 ctx->Exec = ctx->BeginEnd;
808 /* We may have been called from a display list, in which case we should
809 * leave dlist.c's dispatch table in place.
810 */
811 if (ctx->CurrentClientDispatch == ctx->OutsideBeginEnd) {
812 ctx->CurrentClientDispatch = ctx->BeginEnd;
813 _glapi_set_dispatch(ctx->CurrentClientDispatch);
814 } else {
815 assert(ctx->CurrentClientDispatch == ctx->Save);
816 }
817 }
818
819
820 /**
821 * Try to merge / concatenate the two most recent VBO primitives.
822 */
823 static void
try_vbo_merge(struct vbo_exec_context * exec)824 try_vbo_merge(struct vbo_exec_context *exec)
825 {
826 struct _mesa_prim *cur = &exec->vtx.prim[exec->vtx.prim_count - 1];
827
828 assert(exec->vtx.prim_count >= 1);
829
830 vbo_try_prim_conversion(cur);
831
832 if (exec->vtx.prim_count >= 2) {
833 struct _mesa_prim *prev = &exec->vtx.prim[exec->vtx.prim_count - 2];
834 assert(prev == cur - 1);
835
836 if (vbo_can_merge_prims(prev, cur)) {
837 assert(cur->begin);
838 assert(cur->end);
839 assert(prev->begin);
840 assert(prev->end);
841 vbo_merge_prims(prev, cur);
842 exec->vtx.prim_count--; /* drop the last primitive */
843 }
844 }
845 }
846
847
848 /**
849 * Called via glEnd.
850 */
851 static void GLAPIENTRY
vbo_exec_End(void)852 vbo_exec_End(void)
853 {
854 GET_CURRENT_CONTEXT(ctx);
855 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
856
857 if (!_mesa_inside_begin_end(ctx)) {
858 _mesa_error(ctx, GL_INVALID_OPERATION, "glEnd");
859 return;
860 }
861
862 ctx->Exec = ctx->OutsideBeginEnd;
863 if (ctx->CurrentClientDispatch == ctx->BeginEnd) {
864 ctx->CurrentClientDispatch = ctx->OutsideBeginEnd;
865 _glapi_set_dispatch(ctx->CurrentClientDispatch);
866 }
867
868 if (exec->vtx.prim_count > 0) {
869 /* close off current primitive */
870 struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1];
871
872 last_prim->end = 1;
873 last_prim->count = exec->vtx.vert_count - last_prim->start;
874
875 /* Special handling for GL_LINE_LOOP */
876 if (last_prim->mode == GL_LINE_LOOP && last_prim->begin == 0) {
877 /* We're finishing drawing a line loop. Append 0th vertex onto
878 * end of vertex buffer so we can draw it as a line strip.
879 */
880 const fi_type *src = exec->vtx.buffer_map +
881 last_prim->start * exec->vtx.vertex_size;
882 fi_type *dst = exec->vtx.buffer_map +
883 exec->vtx.vert_count * exec->vtx.vertex_size;
884
885 /* copy 0th vertex to end of buffer */
886 memcpy(dst, src, exec->vtx.vertex_size * sizeof(fi_type));
887
888 last_prim->start++; /* skip vertex0 */
889 /* note that last_prim->count stays unchanged */
890 last_prim->mode = GL_LINE_STRIP;
891
892 /* Increment the vertex count so the next primitive doesn't
893 * overwrite the last vertex which we just added.
894 */
895 exec->vtx.vert_count++;
896 exec->vtx.buffer_ptr += exec->vtx.vertex_size;
897 }
898
899 try_vbo_merge(exec);
900 }
901
902 ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
903
904 if (exec->vtx.prim_count == VBO_MAX_PRIM)
905 vbo_exec_vtx_flush(exec, GL_FALSE);
906
907 if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
908 _mesa_flush(ctx);
909 }
910 }
911
912
913 /**
914 * Called via glPrimitiveRestartNV()
915 */
916 static void GLAPIENTRY
vbo_exec_PrimitiveRestartNV(void)917 vbo_exec_PrimitiveRestartNV(void)
918 {
919 GLenum curPrim;
920 GET_CURRENT_CONTEXT(ctx);
921
922 curPrim = ctx->Driver.CurrentExecPrimitive;
923
924 if (curPrim == PRIM_OUTSIDE_BEGIN_END) {
925 _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartNV");
926 }
927 else {
928 vbo_exec_End();
929 vbo_exec_Begin(curPrim);
930 }
931 }
932
933
934 static void
vbo_exec_vtxfmt_init(struct vbo_exec_context * exec)935 vbo_exec_vtxfmt_init(struct vbo_exec_context *exec)
936 {
937 struct gl_context *ctx = exec->ctx;
938 GLvertexformat *vfmt = &exec->vtxfmt;
939
940 vfmt->ArrayElement = _ae_ArrayElement;
941
942 vfmt->Begin = vbo_exec_Begin;
943 vfmt->End = vbo_exec_End;
944 vfmt->PrimitiveRestartNV = vbo_exec_PrimitiveRestartNV;
945
946 vfmt->CallList = _mesa_CallList;
947 vfmt->CallLists = _mesa_CallLists;
948
949 vfmt->EvalCoord1f = vbo_exec_EvalCoord1f;
950 vfmt->EvalCoord1fv = vbo_exec_EvalCoord1fv;
951 vfmt->EvalCoord2f = vbo_exec_EvalCoord2f;
952 vfmt->EvalCoord2fv = vbo_exec_EvalCoord2fv;
953 vfmt->EvalPoint1 = vbo_exec_EvalPoint1;
954 vfmt->EvalPoint2 = vbo_exec_EvalPoint2;
955
956 /* from attrib_tmp.h:
957 */
958 vfmt->Color3f = vbo_Color3f;
959 vfmt->Color3fv = vbo_Color3fv;
960 vfmt->Color4f = vbo_Color4f;
961 vfmt->Color4fv = vbo_Color4fv;
962 vfmt->FogCoordfEXT = vbo_FogCoordfEXT;
963 vfmt->FogCoordfvEXT = vbo_FogCoordfvEXT;
964 vfmt->MultiTexCoord1fARB = vbo_MultiTexCoord1f;
965 vfmt->MultiTexCoord1fvARB = vbo_MultiTexCoord1fv;
966 vfmt->MultiTexCoord2fARB = vbo_MultiTexCoord2f;
967 vfmt->MultiTexCoord2fvARB = vbo_MultiTexCoord2fv;
968 vfmt->MultiTexCoord3fARB = vbo_MultiTexCoord3f;
969 vfmt->MultiTexCoord3fvARB = vbo_MultiTexCoord3fv;
970 vfmt->MultiTexCoord4fARB = vbo_MultiTexCoord4f;
971 vfmt->MultiTexCoord4fvARB = vbo_MultiTexCoord4fv;
972 vfmt->Normal3f = vbo_Normal3f;
973 vfmt->Normal3fv = vbo_Normal3fv;
974 vfmt->SecondaryColor3fEXT = vbo_SecondaryColor3fEXT;
975 vfmt->SecondaryColor3fvEXT = vbo_SecondaryColor3fvEXT;
976 vfmt->TexCoord1f = vbo_TexCoord1f;
977 vfmt->TexCoord1fv = vbo_TexCoord1fv;
978 vfmt->TexCoord2f = vbo_TexCoord2f;
979 vfmt->TexCoord2fv = vbo_TexCoord2fv;
980 vfmt->TexCoord3f = vbo_TexCoord3f;
981 vfmt->TexCoord3fv = vbo_TexCoord3fv;
982 vfmt->TexCoord4f = vbo_TexCoord4f;
983 vfmt->TexCoord4fv = vbo_TexCoord4fv;
984 vfmt->Vertex2f = vbo_Vertex2f;
985 vfmt->Vertex2fv = vbo_Vertex2fv;
986 vfmt->Vertex3f = vbo_Vertex3f;
987 vfmt->Vertex3fv = vbo_Vertex3fv;
988 vfmt->Vertex4f = vbo_Vertex4f;
989 vfmt->Vertex4fv = vbo_Vertex4fv;
990
991 if (ctx->API == API_OPENGLES2) {
992 vfmt->VertexAttrib1fARB = _es_VertexAttrib1f;
993 vfmt->VertexAttrib1fvARB = _es_VertexAttrib1fv;
994 vfmt->VertexAttrib2fARB = _es_VertexAttrib2f;
995 vfmt->VertexAttrib2fvARB = _es_VertexAttrib2fv;
996 vfmt->VertexAttrib3fARB = _es_VertexAttrib3f;
997 vfmt->VertexAttrib3fvARB = _es_VertexAttrib3fv;
998 vfmt->VertexAttrib4fARB = _es_VertexAttrib4f;
999 vfmt->VertexAttrib4fvARB = _es_VertexAttrib4fv;
1000 } else {
1001 vfmt->VertexAttrib1fARB = vbo_VertexAttrib1fARB;
1002 vfmt->VertexAttrib1fvARB = vbo_VertexAttrib1fvARB;
1003 vfmt->VertexAttrib2fARB = vbo_VertexAttrib2fARB;
1004 vfmt->VertexAttrib2fvARB = vbo_VertexAttrib2fvARB;
1005 vfmt->VertexAttrib3fARB = vbo_VertexAttrib3fARB;
1006 vfmt->VertexAttrib3fvARB = vbo_VertexAttrib3fvARB;
1007 vfmt->VertexAttrib4fARB = vbo_VertexAttrib4fARB;
1008 vfmt->VertexAttrib4fvARB = vbo_VertexAttrib4fvARB;
1009 }
1010
1011 /* Note that VertexAttrib4fNV is used from dlist.c and api_arrayelt.c so
1012 * they can have a single entrypoint for updating any of the legacy
1013 * attribs.
1014 */
1015 vfmt->VertexAttrib1fNV = vbo_VertexAttrib1fNV;
1016 vfmt->VertexAttrib1fvNV = vbo_VertexAttrib1fvNV;
1017 vfmt->VertexAttrib2fNV = vbo_VertexAttrib2fNV;
1018 vfmt->VertexAttrib2fvNV = vbo_VertexAttrib2fvNV;
1019 vfmt->VertexAttrib3fNV = vbo_VertexAttrib3fNV;
1020 vfmt->VertexAttrib3fvNV = vbo_VertexAttrib3fvNV;
1021 vfmt->VertexAttrib4fNV = vbo_VertexAttrib4fNV;
1022 vfmt->VertexAttrib4fvNV = vbo_VertexAttrib4fvNV;
1023
1024 /* integer-valued */
1025 vfmt->VertexAttribI1i = vbo_VertexAttribI1i;
1026 vfmt->VertexAttribI2i = vbo_VertexAttribI2i;
1027 vfmt->VertexAttribI3i = vbo_VertexAttribI3i;
1028 vfmt->VertexAttribI4i = vbo_VertexAttribI4i;
1029 vfmt->VertexAttribI2iv = vbo_VertexAttribI2iv;
1030 vfmt->VertexAttribI3iv = vbo_VertexAttribI3iv;
1031 vfmt->VertexAttribI4iv = vbo_VertexAttribI4iv;
1032
1033 /* unsigned integer-valued */
1034 vfmt->VertexAttribI1ui = vbo_VertexAttribI1ui;
1035 vfmt->VertexAttribI2ui = vbo_VertexAttribI2ui;
1036 vfmt->VertexAttribI3ui = vbo_VertexAttribI3ui;
1037 vfmt->VertexAttribI4ui = vbo_VertexAttribI4ui;
1038 vfmt->VertexAttribI2uiv = vbo_VertexAttribI2uiv;
1039 vfmt->VertexAttribI3uiv = vbo_VertexAttribI3uiv;
1040 vfmt->VertexAttribI4uiv = vbo_VertexAttribI4uiv;
1041
1042 vfmt->Materialfv = vbo_Materialfv;
1043
1044 vfmt->EdgeFlag = vbo_EdgeFlag;
1045 vfmt->Indexf = vbo_Indexf;
1046 vfmt->Indexfv = vbo_Indexfv;
1047
1048 /* ARB_vertex_type_2_10_10_10_rev */
1049 vfmt->VertexP2ui = vbo_VertexP2ui;
1050 vfmt->VertexP2uiv = vbo_VertexP2uiv;
1051 vfmt->VertexP3ui = vbo_VertexP3ui;
1052 vfmt->VertexP3uiv = vbo_VertexP3uiv;
1053 vfmt->VertexP4ui = vbo_VertexP4ui;
1054 vfmt->VertexP4uiv = vbo_VertexP4uiv;
1055
1056 vfmt->TexCoordP1ui = vbo_TexCoordP1ui;
1057 vfmt->TexCoordP1uiv = vbo_TexCoordP1uiv;
1058 vfmt->TexCoordP2ui = vbo_TexCoordP2ui;
1059 vfmt->TexCoordP2uiv = vbo_TexCoordP2uiv;
1060 vfmt->TexCoordP3ui = vbo_TexCoordP3ui;
1061 vfmt->TexCoordP3uiv = vbo_TexCoordP3uiv;
1062 vfmt->TexCoordP4ui = vbo_TexCoordP4ui;
1063 vfmt->TexCoordP4uiv = vbo_TexCoordP4uiv;
1064
1065 vfmt->MultiTexCoordP1ui = vbo_MultiTexCoordP1ui;
1066 vfmt->MultiTexCoordP1uiv = vbo_MultiTexCoordP1uiv;
1067 vfmt->MultiTexCoordP2ui = vbo_MultiTexCoordP2ui;
1068 vfmt->MultiTexCoordP2uiv = vbo_MultiTexCoordP2uiv;
1069 vfmt->MultiTexCoordP3ui = vbo_MultiTexCoordP3ui;
1070 vfmt->MultiTexCoordP3uiv = vbo_MultiTexCoordP3uiv;
1071 vfmt->MultiTexCoordP4ui = vbo_MultiTexCoordP4ui;
1072 vfmt->MultiTexCoordP4uiv = vbo_MultiTexCoordP4uiv;
1073
1074 vfmt->NormalP3ui = vbo_NormalP3ui;
1075 vfmt->NormalP3uiv = vbo_NormalP3uiv;
1076
1077 vfmt->ColorP3ui = vbo_ColorP3ui;
1078 vfmt->ColorP3uiv = vbo_ColorP3uiv;
1079 vfmt->ColorP4ui = vbo_ColorP4ui;
1080 vfmt->ColorP4uiv = vbo_ColorP4uiv;
1081
1082 vfmt->SecondaryColorP3ui = vbo_SecondaryColorP3ui;
1083 vfmt->SecondaryColorP3uiv = vbo_SecondaryColorP3uiv;
1084
1085 vfmt->VertexAttribP1ui = vbo_VertexAttribP1ui;
1086 vfmt->VertexAttribP1uiv = vbo_VertexAttribP1uiv;
1087 vfmt->VertexAttribP2ui = vbo_VertexAttribP2ui;
1088 vfmt->VertexAttribP2uiv = vbo_VertexAttribP2uiv;
1089 vfmt->VertexAttribP3ui = vbo_VertexAttribP3ui;
1090 vfmt->VertexAttribP3uiv = vbo_VertexAttribP3uiv;
1091 vfmt->VertexAttribP4ui = vbo_VertexAttribP4ui;
1092 vfmt->VertexAttribP4uiv = vbo_VertexAttribP4uiv;
1093
1094 vfmt->VertexAttribL1d = vbo_VertexAttribL1d;
1095 vfmt->VertexAttribL2d = vbo_VertexAttribL2d;
1096 vfmt->VertexAttribL3d = vbo_VertexAttribL3d;
1097 vfmt->VertexAttribL4d = vbo_VertexAttribL4d;
1098
1099 vfmt->VertexAttribL1dv = vbo_VertexAttribL1dv;
1100 vfmt->VertexAttribL2dv = vbo_VertexAttribL2dv;
1101 vfmt->VertexAttribL3dv = vbo_VertexAttribL3dv;
1102 vfmt->VertexAttribL4dv = vbo_VertexAttribL4dv;
1103
1104 vfmt->VertexAttribL1ui64ARB = vbo_VertexAttribL1ui64ARB;
1105 vfmt->VertexAttribL1ui64vARB = vbo_VertexAttribL1ui64vARB;
1106 }
1107
1108
1109 /**
1110 * Tell the VBO module to use a real OpenGL vertex buffer object to
1111 * store accumulated immediate-mode vertex data.
1112 * This replaces the malloced buffer which was created in
1113 * vb_exec_vtx_init() below.
1114 */
1115 void
vbo_use_buffer_objects(struct gl_context * ctx)1116 vbo_use_buffer_objects(struct gl_context *ctx)
1117 {
1118 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
1119 /* Any buffer name but 0 can be used here since this bufferobj won't
1120 * go into the bufferobj hashtable.
1121 */
1122 GLuint bufName = IMM_BUFFER_NAME;
1123 GLenum target = GL_ARRAY_BUFFER_ARB;
1124 GLenum usage = GL_STREAM_DRAW_ARB;
1125 GLsizei size = VBO_VERT_BUFFER_SIZE;
1126
1127 /* Make sure this func is only used once */
1128 assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj);
1129
1130 _mesa_align_free(exec->vtx.buffer_map);
1131 exec->vtx.buffer_map = NULL;
1132 exec->vtx.buffer_ptr = NULL;
1133
1134 /* Allocate a real buffer object now */
1135 _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
1136 exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName);
1137 if (!ctx->Driver.BufferData(ctx, target, size, NULL, usage,
1138 GL_MAP_WRITE_BIT |
1139 GL_DYNAMIC_STORAGE_BIT |
1140 GL_CLIENT_STORAGE_BIT,
1141 exec->vtx.bufferobj)) {
1142 _mesa_error(ctx, GL_OUT_OF_MEMORY, "VBO allocation");
1143 }
1144 }
1145
1146
1147 /**
1148 * If this function is called, all VBO buffers will be unmapped when
1149 * we flush.
1150 * Otherwise, if a simple command like glColor3f() is called and we flush,
1151 * the current VBO may be left mapped.
1152 */
1153 void
vbo_always_unmap_buffers(struct gl_context * ctx)1154 vbo_always_unmap_buffers(struct gl_context *ctx)
1155 {
1156 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
1157 exec->begin_vertices_flags |= FLUSH_STORED_VERTICES;
1158 }
1159
1160
1161 void
vbo_exec_vtx_init(struct vbo_exec_context * exec)1162 vbo_exec_vtx_init(struct vbo_exec_context *exec)
1163 {
1164 struct gl_context *ctx = exec->ctx;
1165 struct vbo_context *vbo = vbo_context(ctx);
1166 GLuint i;
1167
1168 /* Allocate a buffer object. Will just reuse this object
1169 * continuously, unless vbo_use_buffer_objects() is called to enable
1170 * use of real VBOs.
1171 */
1172 _mesa_reference_buffer_object(ctx,
1173 &exec->vtx.bufferobj,
1174 ctx->Shared->NullBufferObj);
1175
1176 assert(!exec->vtx.buffer_map);
1177 exec->vtx.buffer_map = _mesa_align_malloc(VBO_VERT_BUFFER_SIZE, 64);
1178 exec->vtx.buffer_ptr = exec->vtx.buffer_map;
1179
1180 vbo_exec_vtxfmt_init(exec);
1181 _mesa_noop_vtxfmt_init(&exec->vtxfmt_noop);
1182
1183 exec->vtx.enabled = 0;
1184 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
1185 assert(i < ARRAY_SIZE(exec->vtx.attrsz));
1186 exec->vtx.attrsz[i] = 0;
1187 assert(i < ARRAY_SIZE(exec->vtx.attrtype));
1188 exec->vtx.attrtype[i] = GL_FLOAT;
1189 assert(i < ARRAY_SIZE(exec->vtx.active_sz));
1190 exec->vtx.active_sz[i] = 0;
1191 }
1192 for (i = 0 ; i < VERT_ATTRIB_MAX; i++) {
1193 assert(i < ARRAY_SIZE(exec->vtx.inputs));
1194 assert(i < ARRAY_SIZE(exec->vtx.arrays));
1195 exec->vtx.inputs[i] = &exec->vtx.arrays[i];
1196 }
1197
1198 {
1199 struct gl_vertex_array *arrays = exec->vtx.arrays;
1200 unsigned i;
1201
1202 memcpy(arrays, &vbo->currval[VBO_ATTRIB_POS],
1203 VERT_ATTRIB_FF_MAX * sizeof(arrays[0]));
1204 for (i = 0; i < VERT_ATTRIB_FF_MAX; ++i) {
1205 struct gl_vertex_array *array;
1206 array = &arrays[VERT_ATTRIB_FF(i)];
1207 array->BufferObj = NULL;
1208 _mesa_reference_buffer_object(ctx, &array->BufferObj,
1209 vbo->currval[VBO_ATTRIB_POS+i].BufferObj);
1210 }
1211
1212 memcpy(arrays + VERT_ATTRIB_GENERIC(0),
1213 &vbo->currval[VBO_ATTRIB_GENERIC0],
1214 VERT_ATTRIB_GENERIC_MAX * sizeof(arrays[0]));
1215
1216 for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; ++i) {
1217 struct gl_vertex_array *array;
1218 array = &arrays[VERT_ATTRIB_GENERIC(i)];
1219 array->BufferObj = NULL;
1220 _mesa_reference_buffer_object(ctx, &array->BufferObj,
1221 vbo->currval[VBO_ATTRIB_GENERIC0+i].BufferObj);
1222 }
1223 }
1224
1225 exec->vtx.vertex_size = 0;
1226
1227 exec->begin_vertices_flags = FLUSH_UPDATE_CURRENT;
1228 }
1229
1230
1231 void
vbo_exec_vtx_destroy(struct vbo_exec_context * exec)1232 vbo_exec_vtx_destroy(struct vbo_exec_context *exec)
1233 {
1234 /* using a real VBO for vertex data */
1235 struct gl_context *ctx = exec->ctx;
1236 unsigned i;
1237
1238 /* True VBOs should already be unmapped
1239 */
1240 if (exec->vtx.buffer_map) {
1241 assert(exec->vtx.bufferobj->Name == 0 ||
1242 exec->vtx.bufferobj->Name == IMM_BUFFER_NAME);
1243 if (exec->vtx.bufferobj->Name == 0) {
1244 _mesa_align_free(exec->vtx.buffer_map);
1245 exec->vtx.buffer_map = NULL;
1246 exec->vtx.buffer_ptr = NULL;
1247 }
1248 }
1249
1250 /* Drop any outstanding reference to the vertex buffer
1251 */
1252 for (i = 0; i < ARRAY_SIZE(exec->vtx.arrays); i++) {
1253 _mesa_reference_buffer_object(ctx,
1254 &exec->vtx.arrays[i].BufferObj,
1255 NULL);
1256 }
1257
1258 /* Free the vertex buffer. Unmap first if needed.
1259 */
1260 if (_mesa_bufferobj_mapped(exec->vtx.bufferobj, MAP_INTERNAL)) {
1261 ctx->Driver.UnmapBuffer(ctx, exec->vtx.bufferobj, MAP_INTERNAL);
1262 }
1263 _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
1264 }
1265
1266
1267 /**
1268 * If inside glBegin()/glEnd(), it should assert(0). Otherwise, if
1269 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
1270 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
1271 * __struct gl_contextRec::Current and gl_light_attrib::Material
1272 *
1273 * Note that the default T&L engine never clears the
1274 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
1275 *
1276 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT
1277 */
1278 void
vbo_exec_FlushVertices(struct gl_context * ctx,GLuint flags)1279 vbo_exec_FlushVertices(struct gl_context *ctx, GLuint flags)
1280 {
1281 struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
1282
1283 #ifdef DEBUG
1284 /* debug check: make sure we don't get called recursively */
1285 exec->flush_call_depth++;
1286 assert(exec->flush_call_depth == 1);
1287 #endif
1288
1289 if (_mesa_inside_begin_end(ctx)) {
1290 /* We've had glBegin but not glEnd! */
1291 #ifdef DEBUG
1292 exec->flush_call_depth--;
1293 assert(exec->flush_call_depth == 0);
1294 #endif
1295 return;
1296 }
1297
1298 /* Flush (draw), and make sure VBO is left unmapped when done */
1299 vbo_exec_FlushVertices_internal(exec, GL_TRUE);
1300
1301 /* Need to do this to ensure vbo_exec_begin_vertices gets called again:
1302 */
1303 ctx->Driver.NeedFlush &= ~(FLUSH_UPDATE_CURRENT | flags);
1304
1305 #ifdef DEBUG
1306 exec->flush_call_depth--;
1307 assert(exec->flush_call_depth == 0);
1308 #endif
1309 }
1310
1311
1312 /**
1313 * Reset the vertex attribute by setting its size to zero.
1314 */
1315 static void
vbo_reset_attr(struct vbo_exec_context * exec,GLuint attr)1316 vbo_reset_attr(struct vbo_exec_context *exec, GLuint attr)
1317 {
1318 exec->vtx.attrsz[attr] = 0;
1319 exec->vtx.attrtype[attr] = GL_FLOAT;
1320 exec->vtx.active_sz[attr] = 0;
1321 }
1322
1323
1324 static void
vbo_reset_all_attr(struct vbo_exec_context * exec)1325 vbo_reset_all_attr(struct vbo_exec_context *exec)
1326 {
1327 while (exec->vtx.enabled) {
1328 const int i = u_bit_scan64(&exec->vtx.enabled);
1329 vbo_reset_attr(exec, i);
1330 }
1331
1332 exec->vtx.vertex_size = 0;
1333 }
1334
1335
1336 void GLAPIENTRY
_es_Color4f(GLfloat r,GLfloat g,GLfloat b,GLfloat a)1337 _es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a)
1338 {
1339 vbo_Color4f(r, g, b, a);
1340 }
1341
1342
1343 void GLAPIENTRY
_es_Normal3f(GLfloat x,GLfloat y,GLfloat z)1344 _es_Normal3f(GLfloat x, GLfloat y, GLfloat z)
1345 {
1346 vbo_Normal3f(x, y, z);
1347 }
1348
1349
1350 void GLAPIENTRY
_es_MultiTexCoord4f(GLenum target,GLfloat s,GLfloat t,GLfloat r,GLfloat q)1351 _es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
1352 {
1353 vbo_MultiTexCoord4f(target, s, t, r, q);
1354 }
1355
1356
1357 void GLAPIENTRY
_es_Materialfv(GLenum face,GLenum pname,const GLfloat * params)1358 _es_Materialfv(GLenum face, GLenum pname, const GLfloat *params)
1359 {
1360 vbo_Materialfv(face, pname, params);
1361 }
1362
1363
1364 void GLAPIENTRY
_es_Materialf(GLenum face,GLenum pname,GLfloat param)1365 _es_Materialf(GLenum face, GLenum pname, GLfloat param)
1366 {
1367 GLfloat p[4];
1368 p[0] = param;
1369 p[1] = p[2] = p[3] = 0.0F;
1370 vbo_Materialfv(face, pname, p);
1371 }
1372
1373
1374 /**
1375 * A special version of glVertexAttrib4f that does not treat index 0 as
1376 * VBO_ATTRIB_POS.
1377 */
1378 static void
VertexAttrib4f_nopos(GLuint index,GLfloat x,GLfloat y,GLfloat z,GLfloat w)1379 VertexAttrib4f_nopos(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
1380 {
1381 GET_CURRENT_CONTEXT(ctx);
1382 if (index < MAX_VERTEX_GENERIC_ATTRIBS)
1383 ATTRF(VBO_ATTRIB_GENERIC0 + index, 4, x, y, z, w);
1384 else
1385 ERROR(GL_INVALID_VALUE);
1386 }
1387
1388 void GLAPIENTRY
_es_VertexAttrib4f(GLuint index,GLfloat x,GLfloat y,GLfloat z,GLfloat w)1389 _es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
1390 {
1391 VertexAttrib4f_nopos(index, x, y, z, w);
1392 }
1393
1394
1395 void GLAPIENTRY
_es_VertexAttrib1f(GLuint indx,GLfloat x)1396 _es_VertexAttrib1f(GLuint indx, GLfloat x)
1397 {
1398 VertexAttrib4f_nopos(indx, x, 0.0f, 0.0f, 1.0f);
1399 }
1400
1401
1402 void GLAPIENTRY
_es_VertexAttrib1fv(GLuint indx,const GLfloat * values)1403 _es_VertexAttrib1fv(GLuint indx, const GLfloat* values)
1404 {
1405 VertexAttrib4f_nopos(indx, values[0], 0.0f, 0.0f, 1.0f);
1406 }
1407
1408
1409 void GLAPIENTRY
_es_VertexAttrib2f(GLuint indx,GLfloat x,GLfloat y)1410 _es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y)
1411 {
1412 VertexAttrib4f_nopos(indx, x, y, 0.0f, 1.0f);
1413 }
1414
1415
1416 void GLAPIENTRY
_es_VertexAttrib2fv(GLuint indx,const GLfloat * values)1417 _es_VertexAttrib2fv(GLuint indx, const GLfloat* values)
1418 {
1419 VertexAttrib4f_nopos(indx, values[0], values[1], 0.0f, 1.0f);
1420 }
1421
1422
1423 void GLAPIENTRY
_es_VertexAttrib3f(GLuint indx,GLfloat x,GLfloat y,GLfloat z)1424 _es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z)
1425 {
1426 VertexAttrib4f_nopos(indx, x, y, z, 1.0f);
1427 }
1428
1429
1430 void GLAPIENTRY
_es_VertexAttrib3fv(GLuint indx,const GLfloat * values)1431 _es_VertexAttrib3fv(GLuint indx, const GLfloat* values)
1432 {
1433 VertexAttrib4f_nopos(indx, values[0], values[1], values[2], 1.0f);
1434 }
1435
1436
1437 void GLAPIENTRY
_es_VertexAttrib4fv(GLuint indx,const GLfloat * values)1438 _es_VertexAttrib4fv(GLuint indx, const GLfloat* values)
1439 {
1440 VertexAttrib4f_nopos(indx, values[0], values[1], values[2], values[3]);
1441 }
1442