531 lines
15 KiB
C
531 lines
15 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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* 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
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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 including the dates of first publication and
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* 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
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* 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
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* 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_size_get.h"
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#include "indirect_dispatch.h"
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int
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__glXDisp_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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__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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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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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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compsize = 0;
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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_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(compsize);
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__GLX_SEND_HEADER();
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__GLX_SEND_VOID_ARRAY(compsize);
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}
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cx->hasUnflushedCommands = GL_FALSE;
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return Success;
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}
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int
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__glXDisp_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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__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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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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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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compsize = 0;
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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_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(compsize);
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((xGLXGetTexImageReply *) &__glXReply)->width = width;
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((xGLXGetTexImageReply *) &__glXReply)->height = height;
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((xGLXGetTexImageReply *) &__glXReply)->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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__glXDisp_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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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_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(128);
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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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static int
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GetSeparableFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
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{
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GLint compsize, compsize2;
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GLenum format, type, target;
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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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char *answer, answerBuffer[200];
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GLint width = 0, height = 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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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);
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glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height);
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/*
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* The two queries above might fail if we're in a state where queries
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* are illegal, but then width and height would still be zero anyway.
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*/
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compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
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compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
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if (compsize < 0)
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compsize = 0;
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if (compsize2 < 0)
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compsize2 = 0;
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compsize = __GLX_PAD(compsize);
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compsize2 = __GLX_PAD(compsize2);
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glPixelStorei(GL_PACK_SWAP_BYTES, swapBytes);
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__GLX_GET_ANSWER_BUFFER(answer, cl, compsize + compsize2, 1);
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__glXClearErrorOccured();
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glGetSeparableFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4),
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*(GLenum *) (pc + 8), answer, answer + compsize, NULL);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
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__GLX_SEND_HEADER();
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}
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else {
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__GLX_BEGIN_REPLY(compsize + compsize2);
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((xGLXGetSeparableFilterReply *) &__glXReply)->width = width;
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((xGLXGetSeparableFilterReply *) &__glXReply)->height = height;
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__GLX_SEND_HEADER();
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__GLX_SEND_VOID_ARRAY(compsize + compsize2);
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}
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return Success;
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}
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int
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__glXDisp_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
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return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
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}
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int
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__glXDisp_GetSeparableFilterEXT(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
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return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
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}
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static int
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GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
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{
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GLint compsize;
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GLenum format, type, target;
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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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char *answer, answerBuffer[200];
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GLint width = 0, height = 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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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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glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width);
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if (target == GL_CONVOLUTION_1D) {
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height = 1;
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}
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else {
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glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height);
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}
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/*
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* The two queries above might fail if we're in a state where queries
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* are illegal, but then width and height would still be zero anyway.
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*/
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compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1);
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if (compsize < 0)
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compsize = 0;
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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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glGetConvolutionFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4),
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*(GLenum *) (pc + 8), answer);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
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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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((xGLXGetConvolutionFilterReply *) &__glXReply)->width = width;
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((xGLXGetConvolutionFilterReply *) &__glXReply)->height = height;
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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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__glXDisp_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
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return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
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}
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int
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__glXDisp_GetConvolutionFilterEXT(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
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return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
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}
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static int
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GetHistogram(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
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{
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GLint compsize;
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GLenum format, type, target;
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GLboolean swapBytes, reset;
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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;
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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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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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reset = *(GLboolean *) (pc + 13);
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glGetHistogramParameteriv(target, GL_HISTOGRAM_WIDTH, &width);
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/*
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* The one query above might fail if we're in a state where queries
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* are illegal, but then width would still be zero anyway.
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*/
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compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
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if (compsize < 0)
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compsize = 0;
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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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glGetHistogram(target, reset, format, type, answer);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
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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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((xGLXGetHistogramReply *) &__glXReply)->width = width;
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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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__glXDisp_GetHistogram(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
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return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
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}
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int
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__glXDisp_GetHistogramEXT(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
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return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
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}
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static int
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GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
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{
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GLint compsize;
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GLenum format, type, target;
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GLboolean swapBytes, reset;
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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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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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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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reset = *(GLboolean *) (pc + 13);
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compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
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if (compsize < 0)
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compsize = 0;
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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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glGetMinmax(target, reset, format, type, answer);
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if (__glXErrorOccured()) {
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__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
}
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|
else {
|
|
__GLX_BEGIN_REPLY(compsize);
|
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__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
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}
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return Success;
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}
|
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|
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int
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__glXDisp_GetMinmax(__GLXclientState * cl, GLbyte * pc)
|
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{
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const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
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return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
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}
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int
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__glXDisp_GetMinmaxEXT(__GLXclientState * cl, GLbyte * pc)
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{
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const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
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return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
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}
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static int
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GetColorTable(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
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{
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GLint compsize;
|
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GLenum format, type, target;
|
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GLboolean swapBytes;
|
|
__GLXcontext *cx;
|
|
ClientPtr client = cl->client;
|
|
int error;
|
|
char *answer, answerBuffer[200];
|
|
GLint width = 0;
|
|
|
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cx = __glXForceCurrent(cl, tag, &error);
|
|
if (!cx) {
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return error;
|
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}
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target = *(GLenum *) (pc + 0);
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format = *(GLenum *) (pc + 4);
|
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type = *(GLenum *) (pc + 8);
|
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swapBytes = *(GLboolean *) (pc + 12);
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|
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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)
|
|
compsize = 0;
|
|
|
|
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_SEND_HEADER();
|
|
}
|
|
else {
|
|
__GLX_BEGIN_REPLY(compsize);
|
|
((xGLXGetColorTableReply *) &__glXReply)->width = width;
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
int
|
|
__glXDisp_GetColorTable(__GLXclientState * cl, GLbyte * pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
|
|
|
return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
|
}
|
|
|
|
int
|
|
__glXDisp_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
|
|
|
return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
|
}
|