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 /* 32 * (C) Copyright IBM Corporation 2005 33 * All Rights Reserved. 34 * 35 * Permission is hereby granted, free of charge, to any person obtaining a 36 * copy of this software and associated documentation files (the "Software"), 37 * to deal in the Software without restriction, including without limitation 38 * the rights to use, copy, modify, merge, publish, distribute, sub license, 39 * and/or sell copies of the Software, and to permit persons to whom the 40 * Software is furnished to do so, subject to the following conditions: 41 * 42 * The above copyright notice and this permission notice (including the next 43 * paragraph) shall be included in all copies or substantial portions of the 44 * Software. 45 * 46 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 47 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 48 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 49 * IBM, 50 * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 51 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 52 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 53 * SOFTWARE. 54 */ 55 56 #include "packrender.h" 57 #include "indirect.h" 58 59 /** 60 * Send a large image to the server. If necessary, a buffer is allocated 61 * to hold the unpacked data that is copied from the clients memory. 62 * 63 * \param gc Current GLX context 64 * \param compsize Size, in bytes, of the image portion 65 * \param dim Number of dimensions of the image 66 * \param width Width of the image 67 * \param height Height of the image, must be 1 for 1D images 68 * \param depth Depth of the image, must be 1 for 1D or 2D images 69 * \param format Format of the image 70 * \param type Data type of the image 71 * \param src Pointer to the image data 72 * \param pc Pointer to end of the command header 73 * \param modes Pointer to the pixel unpack data 74 * 75 * \todo 76 * Modify this function so that \c NULL images are sent using 77 * \c __glXSendLargeChunk instead of __glXSendLargeCommand. Doing this 78 * will eliminate the need to allocate a buffer for that case. 79 */ 80 void 81 __glXSendLargeImage(struct glx_context * gc, GLint compsize, GLint dim, 82 GLint width, GLint height, GLint depth, 83 GLenum format, GLenum type, const GLvoid * src, 84 GLubyte * pc, GLubyte * modes) 85 { 86 /* Allocate a temporary holding buffer */ 87 GLubyte *buf = malloc(compsize); 88 if (!buf) { 89 __glXSetError(gc, GL_OUT_OF_MEMORY); 90 return; 91 } 92 93 /* Apply pixel store unpack modes to copy data into buf */ 94 if (src != NULL) { 95 (*gc->fillImage) (gc, dim, width, height, depth, format, type, 96 src, buf, modes); 97 } 98 else { 99 if (dim < 3) { 100 (void) memcpy(modes, __glXDefaultPixelStore + 4, 20); 101 } 102 else { 103 (void) memcpy(modes, __glXDefaultPixelStore + 0, 36); 104 } 105 } 106 107 /* Send large command */ 108 __glXSendLargeCommand(gc, gc->pc, pc - gc->pc, buf, compsize); 109 110 /* Free buffer */ 111 free((char *) buf); 112 } 113 114 /************************************************************************/ 115 116 /** 117 * Implement GLX protocol for \c glSeparableFilter2D. 118 */ 119 void 120 __indirect_glSeparableFilter2D(GLenum target, GLenum internalformat, 121 GLsizei width, GLsizei height, GLenum format, 122 GLenum type, const GLvoid * row, 123 const GLvoid * column) 124 { 125 __GLX_DECLARE_VARIABLES(); 126 GLuint compsize2, hdrlen, totalhdrlen, image1len, image2len; 127 128 __GLX_LOAD_VARIABLES(); 129 compsize = __glImageSize(width, 1, 1, format, type, 0); 130 compsize2 = __glImageSize(height, 1, 1, format, type, 0); 131 totalhdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE); 132 hdrlen = __GLX_PAD(__GLX_CONV_FILT_HDR_SIZE); 133 image1len = __GLX_PAD(compsize); 134 image2len = __GLX_PAD(compsize2); 135 cmdlen = totalhdrlen + image1len + image2len; 136 if (!gc->currentDpy) 137 return; 138 139 if (cmdlen <= gc->maxSmallRenderCommandSize) { 140 /* Use GLXRender protocol to send small command */ 141 __GLX_BEGIN_VARIABLE_WITH_PIXEL(X_GLrop_SeparableFilter2D, cmdlen); 142 __GLX_PUT_LONG(0, target); 143 __GLX_PUT_LONG(4, internalformat); 144 __GLX_PUT_LONG(8, width); 145 __GLX_PUT_LONG(12, height); 146 __GLX_PUT_LONG(16, format); 147 __GLX_PUT_LONG(20, type); 148 pc += hdrlen; 149 if (compsize > 0) { 150 (*gc->fillImage) (gc, 1, width, 1, 1, format, type, 151 row, pc, pixelHeaderPC); 152 pc += image1len; 153 } 154 if (compsize2 > 0) { 155 (*gc->fillImage) (gc, 1, height, 1, 1, format, type, 156 column, pc, NULL); 157 pc += image2len; 158 } 159 if ((compsize == 0) && (compsize2 == 0)) { 160 /* Setup default store modes */ 161 (void) memcpy(pixelHeaderPC, __glXDefaultPixelStore + 4, 20); 162 } 163 __GLX_END(0); 164 } 165 else { 166 GLubyte *buf; 167 const GLint bufsize = image1len + image2len; 168 169 /* Use GLXRenderLarge protocol to send command */ 170 __GLX_BEGIN_VARIABLE_LARGE_WITH_PIXEL(X_GLrop_SeparableFilter2D, 171 cmdlen + 4); 172 __GLX_PUT_LONG(0, target); 173 __GLX_PUT_LONG(4, internalformat); 174 __GLX_PUT_LONG(8, width); 175 __GLX_PUT_LONG(12, height); 176 __GLX_PUT_LONG(16, format); 177 __GLX_PUT_LONG(20, type); 178 pc += hdrlen; 179 180 /* Allocate a temporary holding buffer */ 181 buf = malloc(bufsize); 182 if (!buf) { 183 __glXSetError(gc, GL_OUT_OF_MEMORY); 184 return; 185 } 186 (*gc->fillImage) (gc, 1, width, 1, 1, format, type, row, buf, 187 pixelHeaderPC); 188 189 (*gc->fillImage) (gc, 1, height, 1, 1, format, type, column, 190 buf + image1len, pixelHeaderPC); 191 192 /* Send large command */ 193 __glXSendLargeCommand(gc, gc->pc, (GLint) (pc - gc->pc), buf, 194 bufsize); 195 /* Free buffer */ 196 free((char *) buf); 197 } 198 } 199
