| 1 | /* |
| 2 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| 3 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice including the dates of first publication and |
| 13 | * either this permission notice or a reference to |
| 14 | * http://oss.sgi.com/projects/FreeB/ |
| 15 | * shall be included in all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| 22 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | * SOFTWARE. |
| 24 | * |
| 25 | * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| 26 | * shall not be used in advertising or otherwise to promote the sale, use or |
| 27 | * other dealings in this Software without prior written authorization from |
| 28 | * Silicon Graphics, Inc. |
| 29 | */ |
| 30 | |
| 31 | #ifdef HAVE_DIX_CONFIG_H |
| 32 | #include <dix-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include "glxserver.h" |
| 36 | #include "unpack.h" |
| 37 | #include "indirect_size.h" |
| 38 | #include "indirect_dispatch.h" |
| 39 | |
| 40 | void |
| 41 | __glXDispSwap_Map1f(GLbyte * pc) |
| 42 | { |
| 43 | GLint order, k; |
| 44 | GLfloat u1, u2, *points; |
| 45 | GLenum target; |
| 46 | GLint compsize; |
| 47 | |
| 48 | __GLX_DECLARE_SWAP_VARIABLES; |
| 49 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 50 | |
| 51 | __GLX_SWAP_INT(pc + 0); |
| 52 | __GLX_SWAP_INT(pc + 12); |
| 53 | __GLX_SWAP_FLOAT(pc + 4); |
| 54 | __GLX_SWAP_FLOAT(pc + 8); |
| 55 | |
| 56 | target = *(GLenum *) (pc + 0); |
| 57 | order = *(GLint *) (pc + 12); |
| 58 | u1 = *(GLfloat *) (pc + 4); |
| 59 | u2 = *(GLfloat *) (pc + 8); |
| 60 | points = (GLfloat *) (pc + 16); |
| 61 | k = __glMap1f_size(target); |
| 62 | |
| 63 | if (order <= 0 || k < 0) { |
| 64 | /* Erroneous command. */ |
| 65 | compsize = 0; |
| 66 | } |
| 67 | else { |
| 68 | compsize = order * k; |
| 69 | } |
| 70 | __GLX_SWAP_FLOAT_ARRAY(points, compsize); |
| 71 | |
| 72 | glMap1f(target, u1, u2, k, order, points); |
| 73 | } |
| 74 | |
| 75 | void |
| 76 | __glXDispSwap_Map2f(GLbyte * pc) |
| 77 | { |
| 78 | GLint uorder, vorder, ustride, vstride, k; |
| 79 | GLfloat u1, u2, v1, v2, *points; |
| 80 | GLenum target; |
| 81 | GLint compsize; |
| 82 | |
| 83 | __GLX_DECLARE_SWAP_VARIABLES; |
| 84 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 85 | |
| 86 | __GLX_SWAP_INT(pc + 0); |
| 87 | __GLX_SWAP_INT(pc + 12); |
| 88 | __GLX_SWAP_INT(pc + 24); |
| 89 | __GLX_SWAP_FLOAT(pc + 4); |
| 90 | __GLX_SWAP_FLOAT(pc + 8); |
| 91 | __GLX_SWAP_FLOAT(pc + 16); |
| 92 | __GLX_SWAP_FLOAT(pc + 20); |
| 93 | |
| 94 | target = *(GLenum *) (pc + 0); |
| 95 | uorder = *(GLint *) (pc + 12); |
| 96 | vorder = *(GLint *) (pc + 24); |
| 97 | u1 = *(GLfloat *) (pc + 4); |
| 98 | u2 = *(GLfloat *) (pc + 8); |
| 99 | v1 = *(GLfloat *) (pc + 16); |
| 100 | v2 = *(GLfloat *) (pc + 20); |
| 101 | points = (GLfloat *) (pc + 28); |
| 102 | |
| 103 | k = __glMap2f_size(target); |
| 104 | ustride = vorder * k; |
| 105 | vstride = k; |
| 106 | |
| 107 | if (vorder <= 0 || uorder <= 0 || k < 0) { |
| 108 | /* Erroneous command. */ |
| 109 | compsize = 0; |
| 110 | } |
| 111 | else { |
| 112 | compsize = uorder * vorder * k; |
| 113 | } |
| 114 | __GLX_SWAP_FLOAT_ARRAY(points, compsize); |
| 115 | |
| 116 | glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); |
| 117 | } |
| 118 | |
| 119 | void |
| 120 | __glXDispSwap_Map1d(GLbyte * pc) |
| 121 | { |
| 122 | GLint order, k, compsize; |
| 123 | GLenum target; |
| 124 | GLdouble u1, u2, *points; |
| 125 | |
| 126 | __GLX_DECLARE_SWAP_VARIABLES; |
| 127 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 128 | |
| 129 | __GLX_SWAP_DOUBLE(pc + 0); |
| 130 | __GLX_SWAP_DOUBLE(pc + 8); |
| 131 | __GLX_SWAP_INT(pc + 16); |
| 132 | __GLX_SWAP_INT(pc + 20); |
| 133 | |
| 134 | target = *(GLenum *) (pc + 16); |
| 135 | order = *(GLint *) (pc + 20); |
| 136 | k = __glMap1d_size(target); |
| 137 | if (order <= 0 || k < 0) { |
| 138 | /* Erroneous command. */ |
| 139 | compsize = 0; |
| 140 | } |
| 141 | else { |
| 142 | compsize = order * k; |
| 143 | } |
| 144 | __GLX_GET_DOUBLE(u1, pc); |
| 145 | __GLX_GET_DOUBLE(u2, pc + 8); |
| 146 | __GLX_SWAP_DOUBLE_ARRAY(pc + 24, compsize); |
| 147 | pc += 24; |
| 148 | |
| 149 | #ifdef __GLX_ALIGN64 |
| 150 | if (((unsigned long) pc) & 7) { |
| 151 | /* |
| 152 | ** Copy the doubles up 4 bytes, trashing the command but aligning |
| 153 | ** the data in the process |
| 154 | */ |
| 155 | __GLX_MEM_COPY(pc - 4, pc, compsize * 8); |
| 156 | points = (GLdouble *) (pc - 4); |
| 157 | } |
| 158 | else { |
| 159 | points = (GLdouble *) pc; |
| 160 | } |
| 161 | #else |
| 162 | points = (GLdouble *) pc; |
| 163 | #endif |
| 164 | glMap1d(target, u1, u2, k, order, points); |
| 165 | } |
| 166 | |
| 167 | void |
| 168 | __glXDispSwap_Map2d(GLbyte * pc) |
| 169 | { |
| 170 | GLdouble u1, u2, v1, v2, *points; |
| 171 | GLint uorder, vorder, ustride, vstride, k, compsize; |
| 172 | GLenum target; |
| 173 | |
| 174 | __GLX_DECLARE_SWAP_VARIABLES; |
| 175 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 176 | |
| 177 | __GLX_SWAP_DOUBLE(pc + 0); |
| 178 | __GLX_SWAP_DOUBLE(pc + 8); |
| 179 | __GLX_SWAP_DOUBLE(pc + 16); |
| 180 | __GLX_SWAP_DOUBLE(pc + 24); |
| 181 | __GLX_SWAP_INT(pc + 32); |
| 182 | __GLX_SWAP_INT(pc + 36); |
| 183 | __GLX_SWAP_INT(pc + 40); |
| 184 | |
| 185 | target = *(GLenum *) (pc + 32); |
| 186 | uorder = *(GLint *) (pc + 36); |
| 187 | vorder = *(GLint *) (pc + 40); |
| 188 | k = __glMap2d_size(target); |
| 189 | if (vorder <= 0 || uorder <= 0 || k < 0) { |
| 190 | /* Erroneous command. */ |
| 191 | compsize = 0; |
| 192 | } |
| 193 | else { |
| 194 | compsize = uorder * vorder * k; |
| 195 | } |
| 196 | __GLX_GET_DOUBLE(u1, pc); |
| 197 | __GLX_GET_DOUBLE(u2, pc + 8); |
| 198 | __GLX_GET_DOUBLE(v1, pc + 16); |
| 199 | __GLX_GET_DOUBLE(v2, pc + 24); |
| 200 | __GLX_SWAP_DOUBLE_ARRAY(pc + 44, compsize); |
| 201 | pc += 44; |
| 202 | ustride = vorder * k; |
| 203 | vstride = k; |
| 204 | |
| 205 | #ifdef __GLX_ALIGN64 |
| 206 | if (((unsigned long) pc) & 7) { |
| 207 | /* |
| 208 | ** Copy the doubles up 4 bytes, trashing the command but aligning |
| 209 | ** the data in the process |
| 210 | */ |
| 211 | __GLX_MEM_COPY(pc - 4, pc, compsize * 8); |
| 212 | points = (GLdouble *) (pc - 4); |
| 213 | } |
| 214 | else { |
| 215 | points = (GLdouble *) pc; |
| 216 | } |
| 217 | #else |
| 218 | points = (GLdouble *) pc; |
| 219 | #endif |
| 220 | glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); |
| 221 | } |
| 222 | |
| 223 | static void |
| 224 | swapArray(GLint numVals, GLenum datatype, |
| 225 | GLint stride, GLint numVertexes, GLbyte * pc) |
| 226 | { |
| 227 | int i, j; |
| 228 | |
| 229 | __GLX_DECLARE_SWAP_VARIABLES; |
| 230 | |
| 231 | switch (datatype) { |
| 232 | case GL_BYTE: |
| 233 | case GL_UNSIGNED_BYTE: |
| 234 | /* don't need to swap */ |
| 235 | return; |
| 236 | case GL_SHORT: |
| 237 | case GL_UNSIGNED_SHORT: |
| 238 | for (i = 0; i < numVertexes; i++) { |
| 239 | GLshort *pVal = (GLshort *) pc; |
| 240 | |
| 241 | for (j = 0; j < numVals; j++) { |
| 242 | __GLX_SWAP_SHORT(&pVal[j]); |
| 243 | } |
| 244 | pc += stride; |
| 245 | } |
| 246 | break; |
| 247 | case GL_INT: |
| 248 | case GL_UNSIGNED_INT: |
| 249 | for (i = 0; i < numVertexes; i++) { |
| 250 | GLint *pVal = (GLint *) pc; |
| 251 | |
| 252 | for (j = 0; j < numVals; j++) { |
| 253 | __GLX_SWAP_INT(&pVal[j]); |
| 254 | } |
| 255 | pc += stride; |
| 256 | } |
| 257 | break; |
| 258 | case GL_FLOAT: |
| 259 | for (i = 0; i < numVertexes; i++) { |
| 260 | GLfloat *pVal = (GLfloat *) pc; |
| 261 | |
| 262 | for (j = 0; j < numVals; j++) { |
| 263 | __GLX_SWAP_FLOAT(&pVal[j]); |
| 264 | } |
| 265 | pc += stride; |
| 266 | } |
| 267 | break; |
| 268 | case GL_DOUBLE: |
| 269 | for (i = 0; i < numVertexes; i++) { |
| 270 | GLdouble *pVal = (GLdouble *) pc; |
| 271 | |
| 272 | for (j = 0; j < numVals; j++) { |
| 273 | __GLX_SWAP_DOUBLE(&pVal[j]); |
| 274 | } |
| 275 | pc += stride; |
| 276 | } |
| 277 | break; |
| 278 | default: |
| 279 | return; |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | void |
| 284 | __glXDispSwap_DrawArrays(GLbyte * pc) |
| 285 | { |
| 286 | __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc; |
| 287 | __GLXdispatchDrawArraysComponentHeader *compHeader; |
| 288 | GLint numVertexes = hdr->numVertexes; |
| 289 | GLint numComponents = hdr->numComponents; |
| 290 | GLenum primType = hdr->primType; |
| 291 | GLint stride = 0; |
| 292 | int i; |
| 293 | |
| 294 | __GLX_DECLARE_SWAP_VARIABLES; |
| 295 | |
| 296 | __GLX_SWAP_INT(&numVertexes); |
| 297 | __GLX_SWAP_INT(&numComponents); |
| 298 | __GLX_SWAP_INT(&primType); |
| 299 | |
| 300 | pc += sizeof(__GLXdispatchDrawArraysHeader); |
| 301 | compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc; |
| 302 | |
| 303 | /* compute stride (same for all component arrays) */ |
| 304 | for (i = 0; i < numComponents; i++) { |
| 305 | GLenum datatype = compHeader[i].datatype; |
| 306 | GLint numVals = compHeader[i].numVals; |
| 307 | GLenum component = compHeader[i].component; |
| 308 | |
| 309 | __GLX_SWAP_INT(&datatype); |
| 310 | __GLX_SWAP_INT(&numVals); |
| 311 | __GLX_SWAP_INT(&component); |
| 312 | |
| 313 | stride += __GLX_PAD(numVals * __glXTypeSize(datatype)); |
| 314 | } |
| 315 | |
| 316 | pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader); |
| 317 | |
| 318 | /* set up component arrays */ |
| 319 | for (i = 0; i < numComponents; i++) { |
| 320 | GLenum datatype = compHeader[i].datatype; |
| 321 | GLint numVals = compHeader[i].numVals; |
| 322 | GLenum component = compHeader[i].component; |
| 323 | |
| 324 | __GLX_SWAP_INT(&datatype); |
| 325 | __GLX_SWAP_INT(&numVals); |
| 326 | __GLX_SWAP_INT(&component); |
| 327 | |
| 328 | swapArray(numVals, datatype, stride, numVertexes, pc); |
| 329 | |
| 330 | switch (component) { |
| 331 | case GL_VERTEX_ARRAY: |
| 332 | glEnableClientState(GL_VERTEX_ARRAY); |
| 333 | glVertexPointer(numVals, datatype, stride, pc); |
| 334 | break; |
| 335 | case GL_NORMAL_ARRAY: |
| 336 | glEnableClientState(GL_NORMAL_ARRAY); |
| 337 | glNormalPointer(datatype, stride, pc); |
| 338 | break; |
| 339 | case GL_COLOR_ARRAY: |
| 340 | glEnableClientState(GL_COLOR_ARRAY); |
| 341 | glColorPointer(numVals, datatype, stride, pc); |
| 342 | break; |
| 343 | case GL_INDEX_ARRAY: |
| 344 | glEnableClientState(GL_INDEX_ARRAY); |
| 345 | glIndexPointer(datatype, stride, pc); |
| 346 | break; |
| 347 | case GL_TEXTURE_COORD_ARRAY: |
| 348 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| 349 | glTexCoordPointer(numVals, datatype, stride, pc); |
| 350 | break; |
| 351 | case GL_EDGE_FLAG_ARRAY: |
| 352 | glEnableClientState(GL_EDGE_FLAG_ARRAY); |
| 353 | glEdgeFlagPointer(stride, (const GLboolean *) pc); |
| 354 | break; |
| 355 | case GL_SECONDARY_COLOR_ARRAY: |
| 356 | { |
| 357 | PFNGLSECONDARYCOLORPOINTERPROC SecondaryColorPointerEXT = |
| 358 | __glGetProcAddress("glSecondaryColorPointerEXT"); |
| 359 | glEnableClientState(GL_SECONDARY_COLOR_ARRAY); |
| 360 | SecondaryColorPointerEXT(numVals, datatype, stride, pc); |
| 361 | break; |
| 362 | } |
| 363 | case GL_FOG_COORD_ARRAY: |
| 364 | { |
| 365 | PFNGLFOGCOORDPOINTERPROC FogCoordPointerEXT = |
| 366 | __glGetProcAddress("glFogCoordPointerEXT"); |
| 367 | glEnableClientState(GL_FOG_COORD_ARRAY); |
| 368 | FogCoordPointerEXT(datatype, stride, pc); |
| 369 | break; |
| 370 | } |
| 371 | default: |
| 372 | break; |
| 373 | } |
| 374 | |
| 375 | pc += __GLX_PAD(numVals * __glXTypeSize(datatype)); |
| 376 | } |
| 377 | |
| 378 | glDrawArrays(primType, 0, numVertexes); |
| 379 | |
| 380 | /* turn off anything we might have turned on */ |
| 381 | glDisableClientState(GL_VERTEX_ARRAY); |
| 382 | glDisableClientState(GL_NORMAL_ARRAY); |
| 383 | glDisableClientState(GL_COLOR_ARRAY); |
| 384 | glDisableClientState(GL_INDEX_ARRAY); |
| 385 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); |
| 386 | glDisableClientState(GL_EDGE_FLAG_ARRAY); |
| 387 | glDisableClientState(GL_SECONDARY_COLOR_ARRAY); |
| 388 | glDisableClientState(GL_FOG_COORD_ARRAY); |
| 389 | } |