source: trunk/src/opengl/mesa/vb.c@ 3721

Last change on this file since 3721 was 3598, checked in by jeroen, 25 years ago

* empty log message *
File size: 11.0 KB
Line 
1/* $Id: vb.c,v 1.2 2000-05-23 20:41:00 jeroen Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version: 3.3
6 *
7 * Copyright (C) 1999 Brian Paul All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27
28
29
30
31#ifdef PC_HEADER
32#include "all.h"
33#else
34#include "glheader.h"
35#include "types.h"
36#include "vb.h"
37#include "vbxform.h"
38#include "xform.h"
39#include "mem.h"
40#endif
41
42
43/*
44 * Allocate and initialize a vertex buffer.
45 */
46struct vertex_buffer *gl_vb_create_for_immediate( GLcontext *ctx )
47{
48 struct vertex_buffer *VB;
49 struct immediate *IM;
50 GLuint alignment = 32;
51
52 VB = CALLOC_STRUCT(vertex_buffer);
53 if (!VB)
54 return 0;
55
56 VB->ctx = ctx;
57 VB->ClipAndMask = CLIP_ALL_BITS;
58 VB->Size = VB_SIZE;
59 VB->FirstFree = VB_MAX;
60 VB->Type = VB_IMMEDIATE;
61 VB->Start = VB_START;
62 VB->pipeline = &ctx->CVA.elt;
63
64 gl_vector4f_alloc( &VB->Eye, 2, VEC_WRITABLE, VB_SIZE, alignment );
65 gl_vector4f_alloc( &VB->Clip, 2, VEC_WRITABLE, VB_SIZE, alignment );
66 gl_vector4f_alloc( &VB->Win, 2, VEC_WRITABLE, VB_SIZE, alignment );
67 gl_vector4ub_alloc( &VB->BColor, VEC_WRITABLE, VB_SIZE, alignment );
68 gl_vector1ui_alloc( &VB->BIndex, VEC_WRITABLE, VB_SIZE, alignment );
69
70 VB->ClipMask = (GLubyte *)MALLOC(sizeof(GLubyte) * VB_SIZE);
71 VB->UserClipMask = (GLubyte *)CALLOC(sizeof(GLubyte) * VB_SIZE);
72 VB->CullMask = (GLubyte *)MALLOC(sizeof(GLubyte) * VB_SIZE);
73 VB->NormCullMask = (GLubyte *)MALLOC(sizeof(GLubyte) * VB_SIZE);
74 VB->Spec[0] = (GLubyte (*)[4])MALLOC(sizeof(GLubyte) * 4 * VB_SIZE);
75 VB->Spec[1] = (GLubyte (*)[4])MALLOC(sizeof(GLubyte) * 4 * VB_SIZE);
76
77 IM = VB->IM = gl_immediate_alloc( ctx );
78
79 VB->store.Obj = &IM->v.Obj;
80 VB->store.Normal = &IM->v.Normal;
81 VB->store.Color = 0; /* not used */
82 VB->store.Index = 0; /* not used */
83 VB->store.EdgeFlag = &IM->v.EdgeFlag;
84 VB->store.TexCoord[0] = &IM->v.TexCoord[0];
85 VB->store.TexCoord[1] = &IM->v.TexCoord[1];
86 VB->store.Elt = &IM->v.Elt;
87
88 VB->LitColor[0] = VB->FoggedColor[0] = &IM->v.Color;
89 VB->LitColor[1] = VB->FoggedColor[1] = &VB->BColor;
90
91 VB->LitIndex[0] = VB->FoggedIndex[0] = &IM->v.Index;
92 VB->LitIndex[1] = VB->FoggedIndex[1] = &VB->BIndex;
93
94
95 VB->prev_buffer = IM;
96 /* prev_buffer is now also a reference for the immediate buffer */
97 IM->ref_count++;
98
99 if (ctx->Driver.RegisterVB)
100 ctx->Driver.RegisterVB( VB );
101
102 return VB;
103}
104
105
106
107struct vertex_buffer *gl_vb_create_for_cva( GLcontext *ctx, GLuint size )
108{
109 struct vertex_buffer *VB;
110 GLuint alignment = 32;
111
112 VB = CALLOC_STRUCT(vertex_buffer);
113 if (!VB)
114 return 0;
115
116 /* set non-zero fields */
117
118 VB->ctx = ctx;
119 VB->Type = VB_CVA_PRECALC;
120 VB->FirstFree = size;
121 VB->CullDone = 1;
122
123 size += VB_MAX_CLIPPED_VERTS;
124 VB->Size = size;
125 VB->ClipAndMask = CLIP_ALL_BITS;
126 VB->pipeline = &ctx->CVA.pre;
127
128 VB->ClipMask = (GLubyte *)MALLOC(sizeof(GLubyte) * size);
129 VB->UserClipMask = (GLubyte *)CALLOC(sizeof(GLubyte) * size);
130 VB->Spec[0] = (GLubyte (*)[4])MALLOC(sizeof(GLubyte) * 4 * size);
131 VB->Spec[1] = (GLubyte (*)[4])MALLOC(sizeof(GLubyte) * 4 * size);
132 VB->Flag = (GLuint *)MALLOC(sizeof(GLuint) * size);
133
134 gl_vector4f_alloc( &VB->Eye, 2, VEC_WRITABLE, size, alignment );
135 gl_vector4f_alloc( &VB->Clip, 2, VEC_WRITABLE, size, alignment );
136 gl_vector4f_alloc( &VB->Win, 2, VEC_WRITABLE, size, alignment );
137
138 VB->store.Obj = (GLvector4f *) CALLOC(sizeof(GLvector4f));
139 VB->store.Normal = (GLvector3f *) CALLOC(sizeof(GLvector3f));
140 VB->store.Color = 0;
141 VB->store.Index = 0;
142 VB->store.EdgeFlag = (GLvector1ub *) CALLOC(sizeof(GLvector1ub));
143 VB->store.TexCoord[0] = (GLvector4f *) CALLOC(sizeof(GLvector4f));
144 VB->store.TexCoord[1] = (GLvector4f *) CALLOC(sizeof(GLvector4f));
145 VB->store.Elt = (GLvector1ui *) CALLOC(sizeof(GLvector1ui));
146 VB->LitColor[0] = (GLvector4ub *) CALLOC(sizeof(GLvector4ub));
147 VB->LitColor[1] = (GLvector4ub *) CALLOC(sizeof(GLvector4ub));
148 VB->LitIndex[0] = (GLvector1ui *) CALLOC(sizeof(GLvector1ui));
149 VB->LitIndex[1] = (GLvector1ui *) CALLOC(sizeof(GLvector1ui));
150 VB->FoggedColor[0] = (GLvector4ub *) CALLOC(sizeof(GLvector4ub));
151 VB->FoggedColor[1] = (GLvector4ub *) CALLOC(sizeof(GLvector4ub));
152 VB->FoggedIndex[0] = (GLvector1ui *) CALLOC(sizeof(GLvector1ui));
153 VB->FoggedIndex[1] = (GLvector1ui *) CALLOC(sizeof(GLvector1ui));
154
155 VB->ColorPtr = VB->Color[0] = VB->LitColor[0];
156 VB->IndexPtr = VB->Index[0] = VB->LitIndex[0];
157 VB->Specular = VB->Spec[0];
158 VB->TexCoordPtr[0] = VB->store.TexCoord[0];
159 VB->TexCoordPtr[1] = VB->store.TexCoord[1];
160 VB->EdgeFlagPtr = VB->store.EdgeFlag;
161 VB->NormalPtr = VB->store.Normal;
162 VB->ObjPtr = VB->store.Obj;
163 VB->EltPtr = VB->store.Elt;
164
165 gl_vector4f_alloc( VB->store.Obj, 2, VEC_WRITABLE, size, alignment );
166 gl_vector3f_alloc( VB->store.Normal, VEC_WRITABLE, size, alignment );
167 gl_vector1ub_alloc( VB->store.EdgeFlag, VEC_WRITABLE, size, alignment );
168 gl_vector4f_alloc( VB->store.TexCoord[0], 2, VEC_WRITABLE, size, alignment );
169 gl_vector4f_alloc( VB->store.TexCoord[1], 2, VEC_WRITABLE, size, alignment );
170
171 /* TODO: allocate these on demand.
172 */
173 gl_vector4ub_alloc( VB->LitColor[0], VEC_WRITABLE, size, alignment );
174 gl_vector4ub_alloc( VB->LitColor[1], VEC_WRITABLE, size, alignment );
175 gl_vector1ui_alloc( VB->LitIndex[0], VEC_WRITABLE, size, alignment );
176 gl_vector1ui_alloc( VB->LitIndex[1], VEC_WRITABLE, size, alignment );
177 gl_vector4ub_alloc( VB->FoggedColor[0], VEC_WRITABLE, size, alignment );
178 gl_vector4ub_alloc( VB->FoggedColor[1], VEC_WRITABLE, size, alignment );
179 gl_vector1ui_alloc( VB->FoggedIndex[0], VEC_WRITABLE, size, alignment );
180 gl_vector1ui_alloc( VB->FoggedIndex[1], VEC_WRITABLE, size, alignment );
181
182
183
184 VB->prev_buffer = 0;
185 VB->Start = 0;
186
187 if (ctx->Driver.RegisterVB)
188 ctx->Driver.RegisterVB( VB );
189
190 return VB;
191}
192
193void gl_vb_free( struct vertex_buffer *VB )
194{
195 gl_vector4f_free( &VB->Eye );
196 gl_vector4f_free( &VB->Clip );
197 gl_vector4f_free( &VB->Win );
198 gl_vector4ub_free( &VB->BColor );
199 gl_vector1ui_free( &VB->BIndex );
200
201 if ( VB->prev_buffer && ! --VB->prev_buffer->ref_count )
202 gl_immediate_free( VB->prev_buffer );
203
204 if (VB->IM) {
205 if ( ! --VB->IM->ref_count )
206 gl_immediate_free( VB->IM );
207
208 FREE( VB->CullMask );
209 FREE( VB->NormCullMask );
210 } else {
211 if (VB->store.Elt)
212 gl_vector4f_free( VB->store.Obj ); FREE( VB->store.Obj );
213 gl_vector3f_free( VB->store.Normal ); FREE( VB->store.Normal );
214 gl_vector1ub_free( VB->store.EdgeFlag ); FREE( VB->store.EdgeFlag );
215 gl_vector4f_free( VB->store.TexCoord[0] ); FREE( VB->store.TexCoord[0]);
216 gl_vector4f_free( VB->store.TexCoord[1] ); FREE( VB->store.TexCoord[1]);
217
218 gl_vector4ub_free( VB->LitColor[0] ); FREE( VB->LitColor[0] );
219 gl_vector4ub_free( VB->LitColor[1] ); FREE( VB->LitColor[1] );
220 gl_vector1ui_free( VB->LitIndex[0] ); FREE( VB->LitIndex[0] );
221 gl_vector1ui_free( VB->LitIndex[1] ); FREE( VB->LitIndex[1] );
222
223 gl_vector4ub_free( VB->FoggedColor[0] ); FREE( VB->FoggedColor[0] );
224 gl_vector4ub_free( VB->FoggedColor[1] ); FREE( VB->FoggedColor[1] );
225 gl_vector1ui_free( VB->FoggedIndex[0] ); FREE( VB->FoggedIndex[0] );
226 gl_vector1ui_free( VB->FoggedIndex[1] ); FREE( VB->FoggedIndex[1] );
227
228 FREE( VB->Flag );
229 }
230
231 if (VB->tmp_f) FREE(VB->tmp_f);
232 if (VB->tmp_m) FREE(VB->tmp_m);
233 if (VB->EvaluatedFlags) FREE(VB->EvaluatedFlags);
234
235 FREE( VB->Spec[0] );
236 FREE( VB->Spec[1] );
237 FREE( VB->ClipMask );
238 FREE( VB->UserClipMask );
239
240 if (VB->ctx->Driver.UnregisterVB)
241 VB->ctx->Driver.UnregisterVB( VB );
242
243 FREE( VB );
244}
245
246
247struct immediate *gl_immediate_alloc( GLcontext *ctx )
248{
249 static int id = 0;
250 struct immediate *IM;
251 GLuint j;
252
253 if (ctx->freed_im_queue) {
254 IM = ctx->freed_im_queue;
255 ctx->freed_im_queue = IM->next;
256 ctx->nr_im_queued--;
257 IM->ref_count = 1;
258 return IM;
259 }
260
261 IM= (struct immediate *) MALLOC(sizeof(*IM));
262 if (!IM) return 0;
263
264 IM->id = id++;
265 IM->ref_count = 1;
266 IM->backref = ctx;
267 IM->maybe_transform_vb = gl_maybe_transform_vb;
268/* IM->Bounds = 0; */
269 IM->NormalLengths = 0;
270 IM->LastCalcedLength = 0;
271 IM->FlushElt = 0;
272 IM->LastPrimitive = VB_START;
273 IM->Count = VB_MAX; /* force clear of Flag. */
274 IM->Start = VB_START;
275 IM->Material = 0;
276 IM->MaterialMask = 0;
277
278 if (MESA_VERBOSE&VERBOSE_IMMEDIATE)
279 fprintf(stderr, "alloc immediate %d\n", id);
280
281 gl_vector4f_init( &IM->v.Obj, VEC_WRITABLE, IM->Obj );
282 gl_vector3f_init( &IM->v.Normal, VEC_WRITABLE, IM->Normal );
283 gl_vector4ub_init( &IM->v.Color, VEC_WRITABLE, IM->Color );
284 gl_vector1ui_init( &IM->v.Index, VEC_WRITABLE, IM->Index );
285 gl_vector1ub_init( &IM->v.EdgeFlag, VEC_WRITABLE, IM->EdgeFlag );
286 gl_vector1ui_init( &IM->v.Elt, VEC_WRITABLE, IM->Elt );
287
288 for (j=0;j<MAX_TEXTURE_UNITS;j++) {
289 IM->TexCoordPtr[j] = IM->TexCoord[j];
290 gl_vector4f_init( &IM->v.TexCoord[j], VEC_WRITABLE, IM->TexCoord[j]);
291
292 /* Precalculate some flags and keep them in a handy place.
293 */
294 IM->TF1[j] = VERT_TEX0_1 << (j*NR_TEXSIZE_BITS);
295 IM->TF2[j] = VERT_TEX0_12 << (j*NR_TEXSIZE_BITS);
296 IM->TF3[j] = VERT_TEX0_123 << (j*NR_TEXSIZE_BITS);
297 IM->TF4[j] = VERT_TEX0_1234 << (j*NR_TEXSIZE_BITS);
298 }
299
300 return IM;
301}
302
303
304void gl_immediate_free( struct immediate *IM )
305{
306 GLcontext *ctx = IM->backref;
307
308 if (IM->NormalLengths) {
309 FREE( IM->NormalLengths );
310 IM->NormalLengths = 0;
311 IM->LastCalcedLength = 0;
312 }
313
314 if (IM->Material) {
315 FREE( IM->Material );
316 FREE( IM->MaterialMask );
317 IM->Material = 0;
318 IM->MaterialMask = 0;
319 }
320
321 if (ctx->nr_im_queued > 5) {
322 if (MESA_VERBOSE&VERBOSE_IMMEDIATE)
323 fprintf(stderr, "really free immediate %d\n", IM->id);
324
325 FREE( IM );
326 }
327 else {
328 if (MESA_VERBOSE&VERBOSE_IMMEDIATE)
329 fprintf(stderr, "requeue immediate %d\n", IM->id);
330
331 IM->next = ctx->freed_im_queue;
332 ctx->freed_im_queue = IM;
333 ctx->nr_im_queued++;
334 }
335}
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