| /* |
| * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice including the dates of first publication and |
| * either this permission notice or a reference to |
| * http://oss.sgi.com/projects/FreeB/ |
| * shall be included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| * shall not be used in advertising or otherwise to promote the sale, use or |
| * other dealings in this Software without prior written authorization from |
| * Silicon Graphics, Inc. |
| */ |
| |
| /* |
| * (C) Copyright IBM Corporation 2005 |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sub license, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * IBM, |
| * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include "packrender.h" |
| #include "indirect.h" |
| |
| /** |
| * Send a large image to the server. If necessary, a buffer is allocated |
| * to hold the unpacked data that is copied from the clients memory. |
| * |
| * \param gc Current GLX context |
| * \param compsize Size, in bytes, of the image portion |
| * \param dim Number of dimensions of the image |
| * \param width Width of the image |
| * \param height Height of the image, must be 1 for 1D images |
| * \param depth Depth of the image, must be 1 for 1D or 2D images |
| * \param format Format of the image |
| * \param type Data type of the image |
| * \param src Pointer to the image data |
| * \param pc Pointer to end of the command header |
| * \param modes Pointer to the pixel unpack data |
| * |
| * \todo |
| * Modify this function so that \c NULL images are sent using |
| * \c __glXSendLargeChunk instead of __glXSendLargeCommand. Doing this |
| * will eliminate the need to allocate a buffer for that case. |
| */ |
| 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) |
| { |
| /* Allocate a temporary holding buffer */ |
| GLubyte *buf = (GLubyte *) Xmalloc(compsize); |
| if (!buf) { |
| __glXSetError(gc, GL_OUT_OF_MEMORY); |
| return; |
| } |
| |
| /* Apply pixel store unpack modes to copy data into buf */ |
| if (src != NULL) { |
| (*gc->fillImage) (gc, dim, width, height, depth, format, type, |
| src, buf, modes); |
| } |
| else { |
| if (dim < 3) { |
| (void) memcpy(modes, __glXDefaultPixelStore + 4, 20); |
| } |
| else { |
| (void) memcpy(modes, __glXDefaultPixelStore + 0, 36); |
| } |
| } |
| |
| /* Send large command */ |
| __glXSendLargeCommand(gc, gc->pc, pc - gc->pc, buf, compsize); |
| |
| /* Free buffer */ |
| Xfree((char *) buf); |
| } |
| |
| /************************************************************************/ |
| |
| /** |
| * Implement GLX protocol for \c glSeparableFilter2D. |
| */ |
| void |
| __indirect_glSeparableFilter2D(GLenum target, GLenum internalformat, |
| GLsizei width, GLsizei height, GLenum format, |
| GLenum type, const GLvoid * row, |
| const GLvoid * column) |
| { |
| __GLX_DECLARE_VARIABLES(); |
| GLuint compsize2, hdrlen, totalhdrlen, image1len, image2len; |
| |
| __GLX_LOAD_VARIABLES(); |
| compsize = __glImageSize(width, 1, 1, format, type, 0); |
| compsize2 = __glImageSize(height, 1, 1, format, type, 0); |
| totalhdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE); |
| hdrlen = __GLX_PAD(__GLX_CONV_FILT_HDR_SIZE); |
| image1len = __GLX_PAD(compsize); |
| image2len = __GLX_PAD(compsize2); |
| cmdlen = totalhdrlen + image1len + image2len; |
| if (!gc->currentDpy) |
| return; |
| |
| if (cmdlen <= gc->maxSmallRenderCommandSize) { |
| /* Use GLXRender protocol to send small command */ |
| __GLX_BEGIN_VARIABLE_WITH_PIXEL(X_GLrop_SeparableFilter2D, cmdlen); |
| __GLX_PUT_LONG(0, target); |
| __GLX_PUT_LONG(4, internalformat); |
| __GLX_PUT_LONG(8, width); |
| __GLX_PUT_LONG(12, height); |
| __GLX_PUT_LONG(16, format); |
| __GLX_PUT_LONG(20, type); |
| pc += hdrlen; |
| if (compsize > 0) { |
| (*gc->fillImage) (gc, 1, width, 1, 1, format, type, |
| row, pc, pixelHeaderPC); |
| pc += image1len; |
| } |
| if (compsize2 > 0) { |
| (*gc->fillImage) (gc, 1, height, 1, 1, format, type, |
| column, pc, NULL); |
| pc += image2len; |
| } |
| if ((compsize == 0) && (compsize2 == 0)) { |
| /* Setup default store modes */ |
| (void) memcpy(pixelHeaderPC, __glXDefaultPixelStore + 4, 20); |
| } |
| __GLX_END(0); |
| } |
| else { |
| GLubyte *buf; |
| const GLint bufsize = image1len + image2len; |
| |
| /* Use GLXRenderLarge protocol to send command */ |
| __GLX_BEGIN_VARIABLE_LARGE_WITH_PIXEL(X_GLrop_SeparableFilter2D, |
| cmdlen + 4); |
| __GLX_PUT_LONG(0, target); |
| __GLX_PUT_LONG(4, internalformat); |
| __GLX_PUT_LONG(8, width); |
| __GLX_PUT_LONG(12, height); |
| __GLX_PUT_LONG(16, format); |
| __GLX_PUT_LONG(20, type); |
| pc += hdrlen; |
| |
| /* Allocate a temporary holding buffer */ |
| buf = (GLubyte *) Xmalloc(bufsize); |
| if (!buf) { |
| __glXSetError(gc, GL_OUT_OF_MEMORY); |
| return; |
| } |
| (*gc->fillImage) (gc, 1, width, 1, 1, format, type, row, buf, |
| pixelHeaderPC); |
| |
| (*gc->fillImage) (gc, 1, height, 1, 1, format, type, column, |
| buf + image1len, pixelHeaderPC); |
| |
| /* Send large command */ |
| __glXSendLargeCommand(gc, gc->pc, (GLint) (pc - gc->pc), buf, |
| bufsize); |
| /* Free buffer */ |
| Xfree((char *) buf); |
| } |
| } |
