xserver-multidpi/glx/indirect_texture_compression.c

120 lines
3.6 KiB
C

/*
* (C) Copyright IBM Corporation 2005, 2006
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* 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:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* IBM,
* AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "glxserver.h"
#include "glxbyteorder.h"
#include "glxext.h"
#include "singlesize.h"
#include "unpack.h"
#include "indirect_size_get.h"
#include "indirect_dispatch.h"
#include "glapitable.h"
#include "glapi.h"
#include "glthread.h"
#include "dispatch.h"
int __glXDisp_GetCompressedTexImageARB(struct __GLXclientStateRec *cl, GLbyte *pc)
{
xGLXSingleReq * const req = (xGLXSingleReq *) pc;
int error;
__GLXcontext * const cx = __glXForceCurrent( cl, req->contextTag, & error );
ClientPtr client = cl->client;
pc += __GLX_SINGLE_HDR_SIZE;
if ( cx != NULL ) {
const GLenum target = *(GLenum *)(pc + 0);
const GLint level = *(GLint *)(pc + 4);
GLint compsize = 0;
char *answer, answerBuffer[200];
CALL_GetTexLevelParameteriv(GET_DISPATCH(), (target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &compsize));
if ( compsize != 0 ) {
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
__glXClearErrorOccured();
CALL_GetCompressedTexImageARB(GET_DISPATCH(), (target, level, answer));
}
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
} else {
__GLX_BEGIN_REPLY(compsize);
((xGLXGetTexImageReply *)&__glXReply)->width = compsize;
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
error = Success;
}
return error;
}
int __glXDispSwap_GetCompressedTexImageARB(struct __GLXclientStateRec *cl, GLbyte *pc)
{
xGLXSingleReq * const req = (xGLXSingleReq *) pc;
int error;
__GLXcontext * const cx = __glXForceCurrent( cl, bswap_32( req->contextTag ), & error );
ClientPtr client = cl->client;
pc += __GLX_SINGLE_HDR_SIZE;
if ( cx != NULL ) {
const GLenum target = (GLenum) bswap_32( *(int *)(pc + 0) );
const GLint level = (GLint ) bswap_32( *(int *)(pc + 4) );
GLint compsize = 0;
char *answer, answerBuffer[200];
CALL_GetTexLevelParameteriv(GET_DISPATCH(), (target, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, &compsize));
if ( compsize != 0 ) {
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
__glXClearErrorOccured();
CALL_GetCompressedTexImageARB(GET_DISPATCH(), (target, level, answer));
}
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_SEND_HEADER();
} else {
__GLX_BEGIN_REPLY(compsize);
((xGLXGetTexImageReply *)&__glXReply)->width = compsize;
__GLX_SEND_HEADER();
__GLX_SEND_VOID_ARRAY(compsize);
}
error = Success;
}
return error;
}