| 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 | __glXDisp_Map1f(GLbyte * pc) |
| 42 | { |
| 43 | GLint order, k; |
| 44 | GLfloat u1, u2, *points; |
| 45 | GLenum target; |
| 46 | |
| 47 | target = *(GLenum *) (pc + 0); |
| 48 | order = *(GLint *) (pc + 12); |
| 49 | u1 = *(GLfloat *) (pc + 4); |
| 50 | u2 = *(GLfloat *) (pc + 8); |
| 51 | points = (GLfloat *) (pc + 16); |
| 52 | k = __glMap1f_size(target); |
| 53 | |
| 54 | glMap1f(target, u1, u2, k, order, points); |
| 55 | } |
| 56 | |
| 57 | void |
| 58 | __glXDisp_Map2f(GLbyte * pc) |
| 59 | { |
| 60 | GLint uorder, vorder, ustride, vstride, k; |
| 61 | GLfloat u1, u2, v1, v2, *points; |
| 62 | GLenum target; |
| 63 | |
| 64 | target = *(GLenum *) (pc + 0); |
| 65 | uorder = *(GLint *) (pc + 12); |
| 66 | vorder = *(GLint *) (pc + 24); |
| 67 | u1 = *(GLfloat *) (pc + 4); |
| 68 | u2 = *(GLfloat *) (pc + 8); |
| 69 | v1 = *(GLfloat *) (pc + 16); |
| 70 | v2 = *(GLfloat *) (pc + 20); |
| 71 | points = (GLfloat *) (pc + 28); |
| 72 | |
| 73 | k = __glMap2f_size(target); |
| 74 | ustride = vorder * k; |
| 75 | vstride = k; |
| 76 | |
| 77 | glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); |
| 78 | } |
| 79 | |
| 80 | void |
| 81 | __glXDisp_Map1d(GLbyte * pc) |
| 82 | { |
| 83 | GLint order, k; |
| 84 | |
| 85 | #ifdef __GLX_ALIGN64 |
| 86 | GLint compsize; |
| 87 | #endif |
| 88 | GLenum target; |
| 89 | GLdouble u1, u2, *points; |
| 90 | |
| 91 | target = *(GLenum *) (pc + 16); |
| 92 | order = *(GLint *) (pc + 20); |
| 93 | k = __glMap1d_size(target); |
| 94 | |
| 95 | #ifdef __GLX_ALIGN64 |
| 96 | if (order < 0 || k < 0) { |
| 97 | compsize = 0; |
| 98 | } |
| 99 | else { |
| 100 | compsize = order * k; |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | __GLX_GET_DOUBLE(u1, pc); |
| 105 | __GLX_GET_DOUBLE(u2, pc + 8); |
| 106 | pc += 24; |
| 107 | |
| 108 | #ifdef __GLX_ALIGN64 |
| 109 | if (((unsigned long) pc) & 7) { |
| 110 | /* |
| 111 | ** Copy the doubles up 4 bytes, trashing the command but aligning |
| 112 | ** the data in the process |
| 113 | */ |
| 114 | __GLX_MEM_COPY(pc - 4, pc, compsize * 8); |
| 115 | points = (GLdouble *) (pc - 4); |
| 116 | } |
| 117 | else { |
| 118 | points = (GLdouble *) pc; |
| 119 | } |
| 120 | #else |
| 121 | points = (GLdouble *) pc; |
| 122 | #endif |
| 123 | glMap1d(target, u1, u2, k, order, points); |
| 124 | } |
| 125 | |
| 126 | void |
| 127 | __glXDisp_Map2d(GLbyte * pc) |
| 128 | { |
| 129 | GLdouble u1, u2, v1, v2, *points; |
| 130 | GLint uorder, vorder, ustride, vstride, k; |
| 131 | |
| 132 | #ifdef __GLX_ALIGN64 |
| 133 | GLint compsize; |
| 134 | #endif |
| 135 | GLenum target; |
| 136 | |
| 137 | target = *(GLenum *) (pc + 32); |
| 138 | uorder = *(GLint *) (pc + 36); |
| 139 | vorder = *(GLint *) (pc + 40); |
| 140 | k = __glMap2d_size(target); |
| 141 | |
| 142 | #ifdef __GLX_ALIGN64 |
| 143 | if (vorder < 0 || uorder < 0 || k < 0) { |
| 144 | compsize = 0; |
| 145 | } |
| 146 | else { |
| 147 | compsize = uorder * vorder * k; |
| 148 | } |
| 149 | #endif |
| 150 | |
| 151 | __GLX_GET_DOUBLE(u1, pc); |
| 152 | __GLX_GET_DOUBLE(u2, pc + 8); |
| 153 | __GLX_GET_DOUBLE(v1, pc + 16); |
| 154 | __GLX_GET_DOUBLE(v2, pc + 24); |
| 155 | pc += 44; |
| 156 | |
| 157 | ustride = vorder * k; |
| 158 | vstride = k; |
| 159 | |
| 160 | #ifdef __GLX_ALIGN64 |
| 161 | if (((unsigned long) pc) & 7) { |
| 162 | /* |
| 163 | ** Copy the doubles up 4 bytes, trashing the command but aligning |
| 164 | ** the data in the process |
| 165 | */ |
| 166 | __GLX_MEM_COPY(pc - 4, pc, compsize * 8); |
| 167 | points = (GLdouble *) (pc - 4); |
| 168 | } |
| 169 | else { |
| 170 | points = (GLdouble *) pc; |
| 171 | } |
| 172 | #else |
| 173 | points = (GLdouble *) pc; |
| 174 | #endif |
| 175 | glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); |
| 176 | } |
| 177 | |
| 178 | void |
| 179 | __glXDisp_DrawArrays(GLbyte * pc) |
| 180 | { |
| 181 | __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc; |
| 182 | __GLXdispatchDrawArraysComponentHeader *compHeader; |
| 183 | GLint numVertexes = hdr->numVertexes; |
| 184 | GLint numComponents = hdr->numComponents; |
| 185 | GLenum primType = hdr->primType; |
| 186 | GLint stride = 0; |
| 187 | int i; |
| 188 | |
| 189 | pc += sizeof(__GLXdispatchDrawArraysHeader); |
| 190 | compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc; |
| 191 | |
| 192 | /* compute stride (same for all component arrays) */ |
| 193 | for (i = 0; i < numComponents; i++) { |
| 194 | GLenum datatype = compHeader[i].datatype; |
| 195 | GLint numVals = compHeader[i].numVals; |
| 196 | |
| 197 | stride += __GLX_PAD(numVals * __glXTypeSize(datatype)); |
| 198 | } |
| 199 | |
| 200 | pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader); |
| 201 | |
| 202 | /* set up component arrays */ |
| 203 | for (i = 0; i < numComponents; i++) { |
| 204 | GLenum datatype = compHeader[i].datatype; |
| 205 | GLint numVals = compHeader[i].numVals; |
| 206 | GLenum component = compHeader[i].component; |
| 207 | |
| 208 | switch (component) { |
| 209 | case GL_VERTEX_ARRAY: |
| 210 | glEnableClientState(GL_VERTEX_ARRAY); |
| 211 | glVertexPointer(numVals, datatype, stride, pc); |
| 212 | break; |
| 213 | case GL_NORMAL_ARRAY: |
| 214 | glEnableClientState(GL_NORMAL_ARRAY); |
| 215 | glNormalPointer(datatype, stride, pc); |
| 216 | break; |
| 217 | case GL_COLOR_ARRAY: |
| 218 | glEnableClientState(GL_COLOR_ARRAY); |
| 219 | glColorPointer(numVals, datatype, stride, pc); |
| 220 | break; |
| 221 | case GL_INDEX_ARRAY: |
| 222 | glEnableClientState(GL_INDEX_ARRAY); |
| 223 | glIndexPointer(datatype, stride, pc); |
| 224 | break; |
| 225 | case GL_TEXTURE_COORD_ARRAY: |
| 226 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| 227 | glTexCoordPointer(numVals, datatype, stride, pc); |
| 228 | break; |
| 229 | case GL_EDGE_FLAG_ARRAY: |
| 230 | glEnableClientState(GL_EDGE_FLAG_ARRAY); |
| 231 | glEdgeFlagPointer(stride, (const GLboolean *) pc); |
| 232 | break; |
| 233 | case GL_SECONDARY_COLOR_ARRAY: |
| 234 | { |
| 235 | PFNGLSECONDARYCOLORPOINTERPROC SecondaryColorPointerEXT = |
| 236 | __glGetProcAddress("glSecondaryColorPointerEXT"); |
| 237 | glEnableClientState(GL_SECONDARY_COLOR_ARRAY); |
| 238 | SecondaryColorPointerEXT(numVals, datatype, stride, pc); |
| 239 | break; |
| 240 | } |
| 241 | case GL_FOG_COORD_ARRAY: |
| 242 | { |
| 243 | PFNGLFOGCOORDPOINTERPROC FogCoordPointerEXT = |
| 244 | __glGetProcAddress("glFogCoordPointerEXT"); |
| 245 | glEnableClientState(GL_FOG_COORD_ARRAY); |
| 246 | FogCoordPointerEXT(datatype, stride, pc); |
| 247 | break; |
| 248 | } |
| 249 | default: |
| 250 | break; |
| 251 | } |
| 252 | |
| 253 | pc += __GLX_PAD(numVals * __glXTypeSize(datatype)); |
| 254 | } |
| 255 | |
| 256 | glDrawArrays(primType, 0, numVertexes); |
| 257 | |
| 258 | /* turn off anything we might have turned on */ |
| 259 | glDisableClientState(GL_VERTEX_ARRAY); |
| 260 | glDisableClientState(GL_NORMAL_ARRAY); |
| 261 | glDisableClientState(GL_COLOR_ARRAY); |
| 262 | glDisableClientState(GL_INDEX_ARRAY); |
| 263 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); |
| 264 | glDisableClientState(GL_EDGE_FLAG_ARRAY); |
| 265 | glDisableClientState(GL_SECONDARY_COLOR_ARRAY); |
| 266 | glDisableClientState(GL_FOG_COORD_ARRAY); |
| 267 | } |