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Diffstat (limited to 'nx-X11/extras/Mesa/src/glx/x11/renderpix.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/glx/x11/renderpix.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/glx/x11/renderpix.c b/nx-X11/extras/Mesa/src/glx/x11/renderpix.c new file mode 100644 index 000000000..b7d01dc67 --- /dev/null +++ b/nx-X11/extras/Mesa/src/glx/x11/renderpix.c @@ -0,0 +1,215 @@ +/* $XFree86: xc/lib/GL/glx/renderpix.c,v 1.5 2003/09/28 20:15:04 alanh Exp $ */ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 1.1 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +*/ + +/* + * (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. + * + * \bugs + * The \c fastImageUnpack path, which is thankfully never used, is completely + * broken. + */ +void +__glXSendLargeImage(__GLXcontext *gc, GLint compsize, GLint dim, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const GLvoid *src, + GLubyte *pc, GLubyte *modes) +{ + if ( !gc->fastImageUnpack || (src == NULL) ) { + /* 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); + } else { + /* Just send the data straight as is */ + __glXSendLargeCommand(gc, gc->pc, pc - gc->pc, pc, compsize); + } +} + +/************************************************************************/ + +/** + * Implement GLX protocol for \c glSeparableFilter2D. + * + * \bugs + * The \c fastImageUnpack path, which is thankfully never used, is completely + * broken. + */ +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 { + 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; + + if (!gc->fastImageUnpack) { + /* Allocate a temporary holding buffer */ + GLubyte *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); + } else { + /* Just send the data straight as is */ + __glXSendLargeCommand(gc, gc->pc, (GLint)(pc - gc->pc), pc, bufsize); + } + } +} |