sync code with last improvements from OpenBSD
This commit is contained in:
commit
88965415ff
GPG key ID:
F42C07F07E2E35B7
26235 changed files with 29195616 additions and 0 deletions
625
xserver/glx/singlepixswap.c
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625
xserver/glx/singlepixswap.c
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/*
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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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* 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, sublicense,
|
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* 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:
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*
|
||||
* The above copyright notice including the dates of first publication and
|
||||
* either this permission notice or a reference to
|
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* http://oss.sgi.com/projects/FreeB/
|
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* SILICON GRAPHICS, INC. 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
|
||||
* SOFTWARE.
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*
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||||
* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "glxserver.h"
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#include "glxext.h"
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#include "singlesize.h"
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#include "unpack.h"
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#include "indirect_dispatch.h"
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#include "indirect_size_get.h"
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int
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__glXDispSwap_ReadPixels(__GLXclientState * cl, GLbyte * pc)
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{
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GLsizei width, height;
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GLenum format, type;
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GLboolean swapBytes, lsbFirst;
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GLint compsize;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLXcontext *cx;
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ClientPtr client = cl->client;
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int error;
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char *answer, answerBuffer[200];
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xGLXSingleReply reply = { 0, };
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REQUEST_FIXED_SIZE(xGLXSingleReq, 28);
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__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
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cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
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if (!cx) {
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return error;
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}
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pc += __GLX_SINGLE_HDR_SIZE;
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__GLX_SWAP_INT(pc + 0);
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__GLX_SWAP_INT(pc + 4);
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__GLX_SWAP_INT(pc + 8);
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__GLX_SWAP_INT(pc + 12);
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__GLX_SWAP_INT(pc + 16);
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__GLX_SWAP_INT(pc + 20);
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width = *(GLsizei *) (pc + 8);
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height = *(GLsizei *) (pc + 12);
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format = *(GLenum *) (pc + 16);
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type = *(GLenum *) (pc + 20);
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swapBytes = *(GLboolean *) (pc + 24);
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lsbFirst = *(GLboolean *) (pc + 25);
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compsize = __glReadPixels_size(format, type, width, height);
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if (compsize < 0)
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return BadLength;
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glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
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glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst);
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__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
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__glXClearErrorOccured();
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glReadPixels(*(GLint *) (pc + 0), *(GLint *) (pc + 4),
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*(GLsizei *) (pc + 8), *(GLsizei *) (pc + 12),
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*(GLenum *) (pc + 16), *(GLenum *) (pc + 20), answer);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
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__GLX_SWAP_REPLY_HEADER();
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__GLX_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(compsize);
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__GLX_SWAP_REPLY_HEADER();
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__GLX_SEND_HEADER();
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__GLX_SEND_VOID_ARRAY(compsize);
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}
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return Success;
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}
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int
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__glXDispSwap_GetTexImage(__GLXclientState * cl, GLbyte * pc)
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{
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GLint level, compsize;
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GLenum format, type, target;
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GLboolean swapBytes;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLXcontext *cx;
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ClientPtr client = cl->client;
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int error;
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char *answer, answerBuffer[200];
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GLint width = 0, height = 0, depth = 1;
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xGLXSingleReply reply = { 0, };
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REQUEST_FIXED_SIZE(xGLXSingleReq, 20);
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__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
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cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
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if (!cx) {
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return error;
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}
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pc += __GLX_SINGLE_HDR_SIZE;
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__GLX_SWAP_INT(pc + 0);
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__GLX_SWAP_INT(pc + 4);
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__GLX_SWAP_INT(pc + 8);
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__GLX_SWAP_INT(pc + 12);
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level = *(GLint *) (pc + 4);
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format = *(GLenum *) (pc + 8);
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type = *(GLenum *) (pc + 12);
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target = *(GLenum *) (pc + 0);
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swapBytes = *(GLboolean *) (pc + 16);
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glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);
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glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, &height);
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if (target == GL_TEXTURE_3D) {
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glGetTexLevelParameteriv(target, level, GL_TEXTURE_DEPTH, &depth);
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}
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/*
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* The three queries above might fail if we're in a state where queries
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* are illegal, but then width, height, and depth would still be zero anyway.
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*/
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compsize =
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__glGetTexImage_size(target, level, format, type, width, height, depth);
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if (compsize < 0)
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return BadLength;
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glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
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__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
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__glXClearErrorOccured();
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glGetTexImage(*(GLenum *) (pc + 0), *(GLint *) (pc + 4),
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*(GLenum *) (pc + 8), *(GLenum *) (pc + 12), answer);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
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__GLX_SWAP_REPLY_HEADER();
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__GLX_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(compsize);
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__GLX_SWAP_REPLY_HEADER();
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__GLX_SWAP_INT(&width);
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__GLX_SWAP_INT(&height);
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__GLX_SWAP_INT(&depth);
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((xGLXGetTexImageReply *) &reply)->width = width;
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((xGLXGetTexImageReply *) &reply)->height = height;
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((xGLXGetTexImageReply *) &reply)->depth = depth;
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__GLX_SEND_HEADER();
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__GLX_SEND_VOID_ARRAY(compsize);
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}
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return Success;
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}
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int
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__glXDispSwap_GetPolygonStipple(__GLXclientState * cl, GLbyte * pc)
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{
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GLboolean lsbFirst;
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__GLXcontext *cx;
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ClientPtr client = cl->client;
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int error;
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GLubyte answerBuffer[200];
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char *answer;
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xGLXSingleReply reply = { 0, };
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__GLX_DECLARE_SWAP_VARIABLES;
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REQUEST_FIXED_SIZE(xGLXSingleReq, 4);
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__GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
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cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
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if (!cx) {
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return error;
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}
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pc += __GLX_SINGLE_HDR_SIZE;
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lsbFirst = *(GLboolean *) (pc + 0);
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glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst);
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__GLX_GET_ANSWER_BUFFER(answer, cl, 128, 1);
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__glXClearErrorOccured();
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glGetPolygonStipple((GLubyte *) answer);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
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__GLX_SWAP_REPLY_HEADER();
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__GLX_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(128);
|
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__GLX_SWAP_REPLY_HEADER();
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__GLX_SEND_HEADER();
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__GLX_SEND_BYTE_ARRAY(128);
|
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}
|
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return Success;
|
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}
|
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|
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static int
|
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GetSeparableFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
|
||||
{
|
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GLint compsize, compsize2;
|
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GLenum format, type, target;
|
||||
GLboolean swapBytes;
|
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__GLXcontext *cx;
|
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ClientPtr client = cl->client;
|
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int error;
|
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|
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__GLX_DECLARE_SWAP_VARIABLES;
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char *answer, answerBuffer[200];
|
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GLint width = 0, height = 0;
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xGLXSingleReply reply = { 0, };
|
||||
|
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cx = __glXForceCurrent(cl, tag, &error);
|
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if (!cx) {
|
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return error;
|
||||
}
|
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|
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__GLX_SWAP_INT(pc + 0);
|
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__GLX_SWAP_INT(pc + 4);
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__GLX_SWAP_INT(pc + 8);
|
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|
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format = *(GLenum *) (pc + 4);
|
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type = *(GLenum *) (pc + 8);
|
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target = *(GLenum *) (pc + 0);
|
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swapBytes = *(GLboolean *) (pc + 12);
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/* target must be SEPARABLE_2D, however I guess we can let the GL
|
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barf on this one.... */
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glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width);
|
||||
glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height);
|
||||
/*
|
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* The two queries above might fail if we're in a state where queries
|
||||
* are illegal, but then width and height would still be zero anyway.
|
||||
*/
|
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compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
|
||||
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
|
||||
|
||||
if ((compsize = safe_pad(compsize)) < 0)
|
||||
return BadLength;
|
||||
if ((compsize2 = safe_pad(compsize2)) < 0)
|
||||
return BadLength;
|
||||
|
||||
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
|
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__GLX_GET_ANSWER_BUFFER(answer, cl, safe_add(compsize, compsize2), 1);
|
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__glXClearErrorOccured();
|
||||
glGetSeparableFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4),
|
||||
*(GLenum *) (pc + 8), answer, answer + compsize, NULL);
|
||||
|
||||
if (__glXErrorOccured()) {
|
||||
__GLX_BEGIN_REPLY(0);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
}
|
||||
else {
|
||||
__GLX_BEGIN_REPLY(compsize + compsize2);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
__GLX_SWAP_INT(&width);
|
||||
__GLX_SWAP_INT(&height);
|
||||
((xGLXGetSeparableFilterReply *) &reply)->width = width;
|
||||
((xGLXGetSeparableFilterReply *) &reply)->height = height;
|
||||
__GLX_SEND_VOID_ARRAY(compsize + compsize2);
|
||||
}
|
||||
|
||||
return Success;
|
||||
}
|
||||
|
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int
|
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__glXDispSwap_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
|
||||
return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
||||
}
|
||||
|
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int
|
||||
__glXDispSwap_GetSeparableFilterEXT(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
|
||||
return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
static int
|
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GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
|
||||
{
|
||||
GLint compsize;
|
||||
GLenum format, type, target;
|
||||
GLboolean swapBytes;
|
||||
__GLXcontext *cx;
|
||||
ClientPtr client = cl->client;
|
||||
int error;
|
||||
|
||||
__GLX_DECLARE_SWAP_VARIABLES;
|
||||
char *answer, answerBuffer[200];
|
||||
GLint width = 0, height = 0;
|
||||
xGLXSingleReply reply = { 0, };
|
||||
|
||||
cx = __glXForceCurrent(cl, tag, &error);
|
||||
if (!cx) {
|
||||
return error;
|
||||
}
|
||||
|
||||
__GLX_SWAP_INT(pc + 0);
|
||||
__GLX_SWAP_INT(pc + 4);
|
||||
__GLX_SWAP_INT(pc + 8);
|
||||
|
||||
format = *(GLenum *) (pc + 4);
|
||||
type = *(GLenum *) (pc + 8);
|
||||
target = *(GLenum *) (pc + 0);
|
||||
swapBytes = *(GLboolean *) (pc + 12);
|
||||
|
||||
glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width);
|
||||
if (target == GL_CONVOLUTION_2D) {
|
||||
height = 1;
|
||||
}
|
||||
else {
|
||||
glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height);
|
||||
}
|
||||
/*
|
||||
* The two queries above might fail if we're in a state where queries
|
||||
* are illegal, but then width and height would still be zero anyway.
|
||||
*/
|
||||
compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1);
|
||||
if (compsize < 0)
|
||||
return BadLength;
|
||||
|
||||
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
|
||||
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
|
||||
__glXClearErrorOccured();
|
||||
glGetConvolutionFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4),
|
||||
*(GLenum *) (pc + 8), answer);
|
||||
|
||||
if (__glXErrorOccured()) {
|
||||
__GLX_BEGIN_REPLY(0);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
}
|
||||
else {
|
||||
__GLX_BEGIN_REPLY(compsize);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
__GLX_SWAP_INT(&width);
|
||||
__GLX_SWAP_INT(&height);
|
||||
((xGLXGetConvolutionFilterReply *) &reply)->width = width;
|
||||
((xGLXGetConvolutionFilterReply *) &reply)->height = height;
|
||||
__GLX_SEND_VOID_ARRAY(compsize);
|
||||
}
|
||||
|
||||
return Success;
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
|
||||
return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetConvolutionFilterEXT(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
|
||||
return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
static int
|
||||
GetHistogram(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
|
||||
{
|
||||
GLint compsize;
|
||||
GLenum format, type, target;
|
||||
GLboolean swapBytes, reset;
|
||||
__GLXcontext *cx;
|
||||
ClientPtr client = cl->client;
|
||||
int error;
|
||||
|
||||
__GLX_DECLARE_SWAP_VARIABLES;
|
||||
char *answer, answerBuffer[200];
|
||||
GLint width = 0;
|
||||
xGLXSingleReply reply = { 0, };
|
||||
|
||||
cx = __glXForceCurrent(cl, tag, &error);
|
||||
if (!cx) {
|
||||
return error;
|
||||
}
|
||||
|
||||
__GLX_SWAP_INT(pc + 0);
|
||||
__GLX_SWAP_INT(pc + 4);
|
||||
__GLX_SWAP_INT(pc + 8);
|
||||
|
||||
format = *(GLenum *) (pc + 4);
|
||||
type = *(GLenum *) (pc + 8);
|
||||
target = *(GLenum *) (pc + 0);
|
||||
swapBytes = *(GLboolean *) (pc + 12);
|
||||
reset = *(GLboolean *) (pc + 13);
|
||||
|
||||
glGetHistogramParameteriv(target, GL_HISTOGRAM_WIDTH, &width);
|
||||
/*
|
||||
* The one query above might fail if we're in a state where queries
|
||||
* are illegal, but then width would still be zero anyway.
|
||||
*/
|
||||
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
|
||||
if (compsize < 0)
|
||||
return BadLength;
|
||||
|
||||
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
|
||||
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
|
||||
__glXClearErrorOccured();
|
||||
glGetHistogram(target, reset, format, type, answer);
|
||||
|
||||
if (__glXErrorOccured()) {
|
||||
__GLX_BEGIN_REPLY(0);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
}
|
||||
else {
|
||||
__GLX_BEGIN_REPLY(compsize);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
__GLX_SWAP_INT(&width);
|
||||
((xGLXGetHistogramReply *) &reply)->width = width;
|
||||
__GLX_SEND_VOID_ARRAY(compsize);
|
||||
}
|
||||
|
||||
return Success;
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetHistogram(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
|
||||
return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetHistogramEXT(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
|
||||
return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
static int
|
||||
GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
|
||||
{
|
||||
GLint compsize;
|
||||
GLenum format, type, target;
|
||||
GLboolean swapBytes, reset;
|
||||
__GLXcontext *cx;
|
||||
ClientPtr client = cl->client;
|
||||
int error;
|
||||
|
||||
__GLX_DECLARE_SWAP_VARIABLES;
|
||||
char *answer, answerBuffer[200];
|
||||
xGLXSingleReply reply = { 0, };
|
||||
|
||||
cx = __glXForceCurrent(cl, tag, &error);
|
||||
if (!cx) {
|
||||
return error;
|
||||
}
|
||||
|
||||
__GLX_SWAP_INT(pc + 0);
|
||||
__GLX_SWAP_INT(pc + 4);
|
||||
__GLX_SWAP_INT(pc + 8);
|
||||
|
||||
format = *(GLenum *) (pc + 4);
|
||||
type = *(GLenum *) (pc + 8);
|
||||
target = *(GLenum *) (pc + 0);
|
||||
swapBytes = *(GLboolean *) (pc + 12);
|
||||
reset = *(GLboolean *) (pc + 13);
|
||||
|
||||
compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
|
||||
if (compsize < 0)
|
||||
return BadLength;
|
||||
|
||||
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
|
||||
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
|
||||
__glXClearErrorOccured();
|
||||
glGetMinmax(target, reset, format, type, answer);
|
||||
|
||||
if (__glXErrorOccured()) {
|
||||
__GLX_BEGIN_REPLY(0);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
}
|
||||
else {
|
||||
__GLX_BEGIN_REPLY(compsize);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
__GLX_SEND_VOID_ARRAY(compsize);
|
||||
}
|
||||
|
||||
return Success;
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetMinmax(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
|
||||
return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetMinmaxEXT(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
|
||||
return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
static int
|
||||
GetColorTable(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
|
||||
{
|
||||
GLint compsize;
|
||||
GLenum format, type, target;
|
||||
GLboolean swapBytes;
|
||||
__GLXcontext *cx;
|
||||
ClientPtr client = cl->client;
|
||||
int error;
|
||||
|
||||
__GLX_DECLARE_SWAP_VARIABLES;
|
||||
char *answer, answerBuffer[200];
|
||||
GLint width = 0;
|
||||
xGLXSingleReply reply = { 0, };
|
||||
|
||||
cx = __glXForceCurrent(cl, tag, &error);
|
||||
if (!cx) {
|
||||
return error;
|
||||
}
|
||||
|
||||
__GLX_SWAP_INT(pc + 0);
|
||||
__GLX_SWAP_INT(pc + 4);
|
||||
__GLX_SWAP_INT(pc + 8);
|
||||
|
||||
format = *(GLenum *) (pc + 4);
|
||||
type = *(GLenum *) (pc + 8);
|
||||
target = *(GLenum *) (pc + 0);
|
||||
swapBytes = *(GLboolean *) (pc + 12);
|
||||
|
||||
glGetColorTableParameteriv(target, GL_COLOR_TABLE_WIDTH, &width);
|
||||
/*
|
||||
* The one query above might fail if we're in a state where queries
|
||||
* are illegal, but then width would still be zero anyway.
|
||||
*/
|
||||
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
|
||||
if (compsize < 0)
|
||||
return BadLength;
|
||||
|
||||
glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
|
||||
__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
|
||||
__glXClearErrorOccured();
|
||||
glGetColorTable(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4),
|
||||
*(GLenum *) (pc + 8), answer);
|
||||
|
||||
if (__glXErrorOccured()) {
|
||||
__GLX_BEGIN_REPLY(0);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
}
|
||||
else {
|
||||
__GLX_BEGIN_REPLY(compsize);
|
||||
__GLX_SWAP_REPLY_HEADER();
|
||||
__GLX_SWAP_INT(&width);
|
||||
((xGLXGetColorTableReply *) &reply)->width = width;
|
||||
__GLX_SEND_VOID_ARRAY(compsize);
|
||||
}
|
||||
|
||||
return Success;
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetColorTable(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXSingleReq, 16);
|
||||
return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
||||
}
|
||||
|
||||
int
|
||||
__glXDispSwap_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc)
|
||||
{
|
||||
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
||||
ClientPtr client = cl->client;
|
||||
|
||||
REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16);
|
||||
return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue