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9e24940bc7
Reviewed-by: Adam Jackson <ajax@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34002>
89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* SPDX-License-Identifier: SGI-B-2.0
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*/
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/*
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* (C) Copyright IBM Corporation 2005
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* IBM,
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* AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "packrender.h"
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#include "indirect.h"
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/**
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* Send a large image to the server. If necessary, a buffer is allocated
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* to hold the unpacked data that is copied from the clients memory.
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*
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* \param gc Current GLX context
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* \param compsize Size, in bytes, of the image portion
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* \param dim Number of dimensions of the image
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* \param width Width of the image
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* \param height Height of the image, must be 1 for 1D images
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* \param depth Depth of the image, must be 1 for 1D or 2D images
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* \param format Format of the image
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* \param type Data type of the image
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* \param src Pointer to the image data
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* \param pc Pointer to end of the command header
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* \param modes Pointer to the pixel unpack data
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*
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* \todo
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* Modify this function so that \c NULL images are sent using
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* \c __glXSendLargeChunk instead of __glXSendLargeCommand. Doing this
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* will eliminate the need to allocate a buffer for that case.
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*/
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void
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__glXSendLargeImage(struct glx_context * gc, GLint compsize, GLint dim,
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GLint width, GLint height, GLint depth,
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GLenum format, GLenum type, const GLvoid * src,
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GLubyte * pc, GLubyte * modes)
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{
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/* Allocate a temporary holding buffer */
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GLubyte *buf = malloc(compsize);
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if (!buf) {
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__glXSetError(gc, GL_OUT_OF_MEMORY);
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return;
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}
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/* Apply pixel store unpack modes to copy data into buf */
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if (src != NULL) {
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__glFillImage(gc, dim, width, height, depth, format, type,
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src, buf, modes);
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}
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else {
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if (dim < 3) {
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(void) memcpy(modes, __glXDefaultPixelStore + 4, 20);
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}
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else {
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(void) memcpy(modes, __glXDefaultPixelStore + 0, 36);
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}
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}
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/* Send large command */
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__glXSendLargeCommand(gc, gc->pc, pc - gc->pc, buf, compsize);
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/* Free buffer */
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free((char *) buf);
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}
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