529 lines
15 KiB
C
529 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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#define NEED_REPLIES
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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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#include "glapitable.h"
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#include "glapi.h"
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#include "glthread.h"
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#include "dispatch.h"
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int __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) compsize = 0;
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CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );
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CALL_PixelStorei( GET_DISPATCH(), (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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CALL_ReadPixels( GET_DISPATCH(), (
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*(GLint *)(pc + 0),
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*(GLint *)(pc + 4),
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*(GLsizei *)(pc + 8),
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*(GLsizei *)(pc + 12),
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*(GLenum *)(pc + 16),
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*(GLenum *)(pc + 20),
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answer
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) );
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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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} 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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return Success;
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}
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int __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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CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_WIDTH, &width) );
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CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_HEIGHT, &height) );
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if ( target == GL_TEXTURE_3D) {
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CALL_GetTexLevelParameteriv( GET_DISPATCH(), (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 = __glGetTexImage_size(target,level,format,type,width,height,depth);
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if (compsize < 0) compsize = 0;
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CALL_PixelStorei( GET_DISPATCH(), (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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CALL_GetTexImage( GET_DISPATCH(), (
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*(GLenum *)(pc + 0),
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*(GLint *)(pc + 4),
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*(GLenum *)(pc + 8),
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*(GLenum *)(pc + 12),
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answer
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) );
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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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} 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 __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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CALL_PixelStorei( GET_DISPATCH(), (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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CALL_GetPolygonStipple( GET_DISPATCH(), ((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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} 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 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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CALL_GetConvolutionParameteriv(GET_DISPATCH(), (target, GL_CONVOLUTION_WIDTH, &width));
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CALL_GetConvolutionParameteriv(GET_DISPATCH(), (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) compsize = 0;
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if (compsize2 < 0) compsize2 = 0;
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compsize = __GLX_PAD(compsize);
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compsize2 = __GLX_PAD(compsize2);
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CALL_PixelStorei(GET_DISPATCH(), (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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CALL_GetSeparableFilter( GET_DISPATCH(), (
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*(GLenum *)(pc + 0),
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*(GLenum *)(pc + 4),
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*(GLenum *)(pc + 8),
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answer,
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answer + compsize,
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NULL
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) );
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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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} 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 __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 __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 GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc,
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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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CALL_GetConvolutionParameteriv(GET_DISPATCH(),
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(target, GL_CONVOLUTION_WIDTH, &width));
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if (target == GL_CONVOLUTION_1D) {
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height = 1;
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} else {
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CALL_GetConvolutionParameteriv(GET_DISPATCH(),
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(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) compsize = 0;
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CALL_PixelStorei(GET_DISPATCH(), (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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CALL_GetConvolutionFilter( GET_DISPATCH(), (
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*(GLenum *)(pc + 0),
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*(GLenum *)(pc + 4),
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*(GLenum *)(pc + 8),
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answer
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) );
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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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} 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 __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 __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 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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CALL_GetHistogramParameteriv(GET_DISPATCH(),
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(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) compsize = 0;
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CALL_PixelStorei(GET_DISPATCH(), (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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CALL_GetHistogram(GET_DISPATCH(), (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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} 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 __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 __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 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) compsize = 0;
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CALL_PixelStorei(GET_DISPATCH(), (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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CALL_GetMinmax(GET_DISPATCH(), (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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} 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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return Success;
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}
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int __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 __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 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;
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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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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);
|
|
|
|
CALL_GetColorTableParameteriv(GET_DISPATCH(),
|
|
(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;
|
|
|
|
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
|
|
__glXClearErrorOccured();
|
|
CALL_GetColorTable( GET_DISPATCH(), (
|
|
*(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);
|
|
}
|