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
__glXSendLargeImage(struct glx_context * gc,GLint compsize,GLint dim,GLint width,GLint height,GLint depth,GLenum format,GLenum type,const GLvoid * src,GLubyte * pc,GLubyte * modes)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 = (GLubyte *) Xmalloc(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 Xfree((char *) buf);
112 }
113
114 /************************************************************************/
115
116 /**
117 * Implement GLX protocol for \c glSeparableFilter2D.
118 */
119 void
__indirect_glSeparableFilter2D(GLenum target,GLenum internalformat,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * row,const GLvoid * column)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 = (GLubyte *) Xmalloc(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 Xfree((char *) buf);
197 }
198 }
199