diff options
Diffstat (limited to 'glx/renderpixswap.c')
-rw-r--r-- | glx/renderpixswap.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/glx/renderpixswap.c b/glx/renderpixswap.c new file mode 100644 index 0000000..9cd5741 --- /dev/null +++ b/glx/renderpixswap.c @@ -0,0 +1,87 @@ +/* + * 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "glxserver.h" +#include "unpack.h" +#include "indirect_dispatch.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" + +void __glXDispSwap_SeparableFilter2D(GLbyte *pc) +{ + __GLXdispatchConvolutionFilterHeader *hdr = + (__GLXdispatchConvolutionFilterHeader *) pc; + GLint hdrlen, image1len; + __GLX_DECLARE_SWAP_VARIABLES; + + hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE); + + __GLX_SWAP_INT((GLbyte *)&hdr->rowLength); + __GLX_SWAP_INT((GLbyte *)&hdr->skipRows); + __GLX_SWAP_INT((GLbyte *)&hdr->skipPixels); + __GLX_SWAP_INT((GLbyte *)&hdr->alignment); + + __GLX_SWAP_INT((GLbyte *)&hdr->target); + __GLX_SWAP_INT((GLbyte *)&hdr->internalformat); + __GLX_SWAP_INT((GLbyte *)&hdr->width); + __GLX_SWAP_INT((GLbyte *)&hdr->height); + __GLX_SWAP_INT((GLbyte *)&hdr->format); + __GLX_SWAP_INT((GLbyte *)&hdr->type); + + /* + ** Just invert swapBytes flag; the GL will figure out if it needs to swap + ** the pixel data. + */ + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, !hdr->swapBytes) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, hdr->rowLength) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, hdr->skipRows) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, hdr->skipPixels) ); + CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, hdr->alignment) ); + + /* XXX check this usage - internal code called + ** a version without the packing parameters + */ + image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1, + 0, hdr->rowLength, 0, hdr->skipRows, + hdr->alignment); + image1len = __GLX_PAD(image1len); + + + CALL_SeparableFilter2D( GET_DISPATCH(), (hdr->target, hdr->internalformat, + hdr->width, hdr->height, hdr->format, hdr->type, + ((GLubyte *)hdr+hdrlen), ((GLubyte *)hdr+hdrlen+image1len)) ); +} |