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https://github.com/X11Libre/xserver.git
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1fced9e85f
Convert the GetCompressedTexImage (indirect_texture_compression.c) and GetProgramString (indirect_program.c) handlers, including their swapped variants, to the rpcbuf reply path. The image/string payload is a raw byte stream (x_rpcbuf_write_binary_pad()); X_SEND_REPLY_WITH_RPCBUF() derives the length and swaps the header, and the width field is swapped via X_REPLY_FIELD_CARD32() (keyed on client->swapped). This removes the __GLX_BEGIN_REPLY/__GLX_SEND_HEADER/__GLX_SEND_VOID_ARRAY macros and the explicit do_swap handling of the reply. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/*
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* (C) Copyright IBM Corporation 2005, 2006
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file indirect_program.c
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* Hand-coded routines needed to support programmable pipeline extensions.
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*
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* \author Ian Romanick <idr@us.ibm.com>
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*/
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#include <dix-config.h>
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#include "dix/request_priv.h"
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#include "include/misc.h"
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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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/**
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* Handle both types of glGetProgramString calls.
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*/
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static int
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DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte * pc,
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PFNGLGETPROGRAMIVARBPROC get_programiv,
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PFNGLGETPROGRAMSTRINGARBPROC get_program_string,
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Bool do_swap)
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{
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xGLXVendorPrivateWithReplyReq *const req =
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(xGLXVendorPrivateWithReplyReq *) pc;
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int error;
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__GLXcontext *const cx =
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__glXForceCurrent(cl,
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do_swap ? bswap_32(req->contextTag) : req->contextTag,
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&error);
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ClientPtr client = cl->client;
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REQUEST_FIXED_SIZE(xGLXVendorPrivateWithReplyReq, 8);
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pc += __GLX_VENDPRIV_HDR_SIZE;
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if (cx != NULL) {
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GLenum target;
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GLenum pname;
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GLint compsize = 0;
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char *answer = NULL, answerBuffer[200];
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xGLXGetTexImageReply reply = { 0 };
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if (do_swap) {
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target = (GLenum) bswap_32(*(int *) (pc + 0));
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pname = (GLenum) bswap_32(*(int *) (pc + 4));
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}
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else {
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target = *(GLenum *) (pc + 0);
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pname = *(GLuint *) (pc + 4);
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}
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/* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV
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* enumerants is the same.
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*/
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get_programiv(target, GL_PROGRAM_LENGTH_ARB, &compsize);
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if (compsize != 0) {
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__GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
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__glXClearErrorOccured();
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get_program_string(target, pname, (GLubyte *) answer);
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}
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x_rpcbuf_t rpcbuf = { .swapped = client->swapped, .err_clear = TRUE };
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if (!__glXErrorOccured()) {
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reply.width = compsize;
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X_REPLY_FIELD_CARD32(width);
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x_rpcbuf_write_binary_pad(&rpcbuf, answer, compsize);
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}
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error = X_SEND_REPLY_WITH_RPCBUF(client, reply, rpcbuf);
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}
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return error;
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}
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int
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__glXDisp_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc)
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{
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PFNGLGETPROGRAMIVARBPROC get_program =
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__glGetProcAddress("glGetProgramivARB");
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PFNGLGETPROGRAMSTRINGARBPROC get_program_string =
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__glGetProcAddress("glGetProgramStringARB");
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return DoGetProgramString(cl, pc, get_program, get_program_string, FALSE);
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}
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int
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__glXDispSwap_GetProgramStringARB(struct __GLXclientStateRec *cl, GLbyte * pc)
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{
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PFNGLGETPROGRAMIVARBPROC get_program =
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__glGetProcAddress("glGetProgramivARB");
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PFNGLGETPROGRAMSTRINGARBPROC get_program_string =
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__glGetProcAddress("glGetProgramStringARB");
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return DoGetProgramString(cl, pc, get_program, get_program_string, TRUE);
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}
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