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55 pj 1
/* $Id: api_arrayelt.c,v 1.1 2003-02-28 11:41:57 pj Exp $ */
2
 
3
/*
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 * Mesa 3-D graphics library
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 * Version:  4.1
6
 *
7
 * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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27
/* Author:
28
 *    Keith Whitwell <keith@tungstengraphics.com>
29
 */
30
 
31
#include "glheader.h"
32
#include "api_arrayelt.h"
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#include "context.h"
34
#include "glapi.h"
35
#include "imports.h"
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#include "macros.h"
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#include "mtypes.h"
38
 
39
 
40
typedef void (*texarray_func)( GLenum, const void * );
41
 
42
typedef struct {
43
   GLint unit;
44
   struct gl_client_array *array;
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   texarray_func func;
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} AEtexarray;
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48
typedef void (*array_func)( const void * );
49
 
50
typedef struct {
51
   struct gl_client_array *array;
52
   array_func func;
53
} AEarray;
54
 
55
typedef struct {
56
   AEtexarray texarrays[MAX_TEXTURE_UNITS+1];
57
   AEarray arrays[32];
58
   GLuint NewState;
59
} AEcontext;
60
 
61
#define AE_CONTEXT(ctx) ((AEcontext *)(ctx)->aelt_context)
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#define TYPE_IDX(t) ((t) & 0xf)
63
 
64
static void (*colorfuncs[2][8])( const void * ) = {
65
   { (array_func)glColor3bv,
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     (array_func)glColor3ubv,
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     (array_func)glColor3sv,
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     (array_func)glColor3usv,
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     (array_func)glColor3iv,
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     (array_func)glColor3uiv,
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     (array_func)glColor3fv,
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     (array_func)glColor3dv },
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74
   { (array_func)glColor4bv,
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     (array_func)glColor4ubv,
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     (array_func)glColor4sv,
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     (array_func)glColor4usv,
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     (array_func)glColor4iv,
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     (array_func)glColor4uiv,
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     (array_func)glColor4fv,
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     (array_func)glColor4dv }
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};
83
 
84
static void (*vertexfuncs[3][8])( const void * ) = {
85
   { 0,
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     0,
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     (array_func)glVertex2sv,
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     0,
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     (array_func)glVertex2iv,
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     0,
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     (array_func)glVertex2fv,
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     (array_func)glVertex2dv },
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94
   { 0,
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     0,
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     (array_func)glVertex3sv,
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     0,
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     (array_func)glVertex3iv,
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     0,
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     (array_func)glVertex3fv,
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     (array_func)glVertex3dv },
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103
   { 0,
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     0,
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     (array_func)glVertex4sv,
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     0,
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     (array_func)glVertex4iv,
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     0,
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     (array_func)glVertex4fv,
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     (array_func)glVertex4dv }
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};
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113
 
114
static void (*multitexfuncs[4][8])( GLenum, const void * ) = {
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   { 0,
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     0,
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     (texarray_func)glMultiTexCoord1svARB,
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     0,
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     (texarray_func)glMultiTexCoord1ivARB,
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     0,
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     (texarray_func)glMultiTexCoord1fvARB,
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     (texarray_func)glMultiTexCoord1dvARB },
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   { 0,
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     0,
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     (texarray_func)glMultiTexCoord2svARB,
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     0,
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     (texarray_func)glMultiTexCoord2ivARB,
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     0,
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     (texarray_func)glMultiTexCoord2fvARB,
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     (texarray_func)glMultiTexCoord2dvARB },
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   { 0,
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     0,
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     (texarray_func)glMultiTexCoord3svARB,
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     0,
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     (texarray_func)glMultiTexCoord3ivARB,
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     0,
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     (texarray_func)glMultiTexCoord3fvARB,
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     (texarray_func)glMultiTexCoord3dvARB },
141
 
142
   { 0,
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     0,
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     (texarray_func)glMultiTexCoord4svARB,
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     0,
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     (texarray_func)glMultiTexCoord4ivARB,
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     0,
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     (texarray_func)glMultiTexCoord4fvARB,
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     (texarray_func)glMultiTexCoord4dvARB }
150
};
151
 
152
static void (*indexfuncs[8])( const void * ) = {
153
   0,
154
   (array_func)glIndexubv,
155
   (array_func)glIndexsv,
156
   0,
157
   (array_func)glIndexiv,
158
   0,
159
   (array_func)glIndexfv,
160
   (array_func)glIndexdv
161
};
162
 
163
 
164
static void (*normalfuncs[8])( const void * ) = {
165
   (array_func)glNormal3bv,
166
   0,
167
   (array_func)glNormal3sv,
168
   0,
169
   (array_func)glNormal3iv,
170
   0,
171
   (array_func)glNormal3fv,
172
   (array_func)glNormal3dv,
173
};
174
 
175
 
176
/* Wrapper functions in case glSecondaryColor*EXT doesn't exist */
177
static void SecondaryColor3bvEXT(const GLbyte *c)
178
{
179
   _glapi_Dispatch->SecondaryColor3bvEXT(c);
180
}
181
 
182
static void SecondaryColor3ubvEXT(const GLubyte *c)
183
{
184
   _glapi_Dispatch->SecondaryColor3ubvEXT(c);
185
}
186
 
187
static void SecondaryColor3svEXT(const GLshort *c)
188
{
189
   _glapi_Dispatch->SecondaryColor3svEXT(c);
190
}
191
 
192
static void SecondaryColor3usvEXT(const GLushort *c)
193
{
194
   _glapi_Dispatch->SecondaryColor3usvEXT(c);
195
}
196
 
197
static void SecondaryColor3ivEXT(const GLint *c)
198
{
199
   _glapi_Dispatch->SecondaryColor3ivEXT(c);
200
}
201
 
202
static void SecondaryColor3uivEXT(const GLuint *c)
203
{
204
   _glapi_Dispatch->SecondaryColor3uivEXT(c);
205
}
206
 
207
static void SecondaryColor3fvEXT(const GLfloat *c)
208
{
209
   _glapi_Dispatch->SecondaryColor3fvEXT(c);
210
}
211
 
212
static void SecondaryColor3dvEXT(const GLdouble *c)
213
{
214
   _glapi_Dispatch->SecondaryColor3dvEXT(c);
215
}
216
 
217
static void (*secondarycolorfuncs[8])( const void * ) = {
218
   (array_func) SecondaryColor3bvEXT,
219
   (array_func) SecondaryColor3ubvEXT,
220
   (array_func) SecondaryColor3svEXT,
221
   (array_func) SecondaryColor3usvEXT,
222
   (array_func) SecondaryColor3ivEXT,
223
   (array_func) SecondaryColor3uivEXT,
224
   (array_func) SecondaryColor3fvEXT,
225
   (array_func) SecondaryColor3dvEXT,
226
};
227
 
228
 
229
/* Again, wrapper functions in case glSecondaryColor*EXT doesn't exist */
230
static void FogCoordfvEXT(const GLfloat *f)
231
{
232
   _glapi_Dispatch->FogCoordfvEXT(f);
233
}
234
 
235
static void FogCoorddvEXT(const GLdouble *f)
236
{
237
   _glapi_Dispatch->FogCoorddvEXT(f);
238
}
239
 
240
static void (*fogcoordfuncs[8])( const void * ) = {
241
   0,
242
   0,
243
   0,
244
   0,
245
   0,
246
   0,
247
   (array_func) FogCoordfvEXT,
248
   (array_func) FogCoorddvEXT
249
};
250
 
251
 
252
 
253
GLboolean _ae_create_context( GLcontext *ctx )
254
{
255
   ctx->aelt_context = MALLOC( sizeof(AEcontext) );
256
   if (!ctx->aelt_context)
257
      return GL_FALSE;
258
 
259
   AE_CONTEXT(ctx)->NewState = ~0;
260
   return GL_TRUE;
261
}
262
 
263
 
264
void _ae_destroy_context( GLcontext *ctx )
265
{
266
   if ( AE_CONTEXT( ctx ) ) {
267
      FREE( ctx->aelt_context );
268
      ctx->aelt_context = 0;
269
   }
270
}
271
 
272
 
273
static void _ae_update_state( GLcontext *ctx )
274
{
275
   AEcontext *actx = AE_CONTEXT(ctx);
276
   AEtexarray *ta = actx->texarrays;
277
   AEarray *aa = actx->arrays;
278
   GLuint i;
279
 
280
   for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
281
      if (ctx->Array.TexCoord[i].Enabled) {
282
         ta->unit = i;
283
         ta->array = &ctx->Array.TexCoord[i];
284
         ta->func = multitexfuncs[ta->array->Size-1][TYPE_IDX(ta->array->Type)];
285
         ta++;
286
      }
287
 
288
   ta->func = 0;
289
 
290
   if (ctx->Array.Color.Enabled) {
291
      aa->array = &ctx->Array.Color;
292
      aa->func = colorfuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
293
      aa++;
294
   }
295
 
296
   if (ctx->Array.Normal.Enabled) {
297
      aa->array = &ctx->Array.Normal;
298
      aa->func = normalfuncs[TYPE_IDX(aa->array->Type)];
299
      aa++;
300
   }
301
 
302
   if (ctx->Array.Index.Enabled) {
303
      aa->array = &ctx->Array.Index;
304
      aa->func = indexfuncs[TYPE_IDX(aa->array->Type)];
305
      aa++;
306
   }
307
 
308
   if (ctx->Array.EdgeFlag.Enabled) {
309
      aa->array = &ctx->Array.EdgeFlag;
310
      aa->func = (array_func)glEdgeFlagv;
311
      aa++;
312
   }
313
 
314
   if (ctx->Array.FogCoord.Enabled) {
315
      aa->array = &ctx->Array.FogCoord;
316
      aa->func = fogcoordfuncs[TYPE_IDX(aa->array->Type)];
317
      aa++;
318
   }
319
 
320
   if (ctx->Array.SecondaryColor.Enabled) {
321
      aa->array = &ctx->Array.SecondaryColor;
322
      aa->func = secondarycolorfuncs[TYPE_IDX(aa->array->Type)];
323
      aa++;
324
   }
325
 
326
   /* Must be last
327
    */
328
   if (ctx->Array.Vertex.Enabled) {
329
      aa->array = &ctx->Array.Vertex;
330
      aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
331
      aa++;
332
   }
333
 
334
   aa->func = 0;
335
   actx->NewState = 0;
336
}
337
 
338
 
339
void _ae_loopback_array_elt( GLint elt )
340
{
341
   GET_CURRENT_CONTEXT(ctx);
342
   AEcontext *actx = AE_CONTEXT(ctx);
343
   AEtexarray *ta;
344
   AEarray *aa;
345
 
346
   if (actx->NewState)
347
      _ae_update_state( ctx );
348
 
349
   for (ta = actx->texarrays ; ta->func ; ta++) {
350
      ta->func( ta->unit + GL_TEXTURE0_ARB, (char *)ta->array->Ptr + elt * ta->array->StrideB );
351
   }
352
 
353
   /* Must be last
354
    */
355
   for (aa = actx->arrays ; aa->func ; aa++) {
356
      aa->func( (char *)aa->array->Ptr + elt * aa->array->StrideB );
357
   }
358
}
359
 
360
 
361
 
362
void _ae_invalidate_state( GLcontext *ctx, GLuint new_state )
363
{
364
   AE_CONTEXT(ctx)->NewState |= new_state;
365
}