528 lines
15 KiB
C
528 lines
15 KiB
C
/*
|
|
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
|
|
* Copyright (C) 1991-2000 Silicon Graphics, Inc. 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, sublicense,
|
|
* 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 including the dates of first publication and
|
|
* either this permission notice or a reference to
|
|
* http://oss.sgi.com/projects/FreeB/
|
|
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* SILICON GRAPHICS, INC. 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.
|
|
*
|
|
* Except as contained in this notice, the name of Silicon Graphics, Inc.
|
|
* shall not be used in advertising or otherwise to promote the sale, use or
|
|
* other dealings in this Software without prior written authorization from
|
|
* Silicon Graphics, Inc.
|
|
*/
|
|
|
|
#ifdef HAVE_DIX_CONFIG_H
|
|
#include <dix-config.h>
|
|
#endif
|
|
|
|
#include "glxserver.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_ReadPixels(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
GLsizei width, height;
|
|
GLenum format, type;
|
|
GLboolean swapBytes, lsbFirst;
|
|
GLint compsize;
|
|
__GLXcontext *cx;
|
|
ClientPtr client = cl->client;
|
|
int error;
|
|
char *answer, answerBuffer[200];
|
|
|
|
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
pc += __GLX_SINGLE_HDR_SIZE;
|
|
width = *(GLsizei *)(pc + 8);
|
|
height = *(GLsizei *)(pc + 12);
|
|
format = *(GLenum *)(pc + 16);
|
|
type = *(GLenum *)(pc + 20);
|
|
swapBytes = *(GLboolean *)(pc + 24);
|
|
lsbFirst = *(GLboolean *)(pc + 25);
|
|
compsize = __glReadPixels_size(format,type,width,height);
|
|
if (compsize < 0) compsize = 0;
|
|
|
|
CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );
|
|
CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst) );
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
|
|
__glXClearErrorOccured();
|
|
CALL_ReadPixels( GET_DISPATCH(), (
|
|
*(GLint *)(pc + 0),
|
|
*(GLint *)(pc + 4),
|
|
*(GLsizei *)(pc + 8),
|
|
*(GLsizei *)(pc + 12),
|
|
*(GLenum *)(pc + 16),
|
|
*(GLenum *)(pc + 20),
|
|
answer
|
|
) );
|
|
|
|
if (__glXErrorOccured()) {
|
|
__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
} else {
|
|
__GLX_BEGIN_REPLY(compsize);
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
int __glXDisp_GetTexImage(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
GLint level, compsize;
|
|
GLenum format, type, target;
|
|
GLboolean swapBytes;
|
|
__GLXcontext *cx;
|
|
ClientPtr client = cl->client;
|
|
int error;
|
|
char *answer, answerBuffer[200];
|
|
GLint width=0, height=0, depth=1;
|
|
|
|
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
pc += __GLX_SINGLE_HDR_SIZE;
|
|
level = *(GLint *)(pc + 4);
|
|
format = *(GLenum *)(pc + 8);
|
|
type = *(GLenum *)(pc + 12);
|
|
target = *(GLenum *)(pc + 0);
|
|
swapBytes = *(GLboolean *)(pc + 16);
|
|
|
|
CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_WIDTH, &width) );
|
|
CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_HEIGHT, &height) );
|
|
if ( target == GL_TEXTURE_3D) {
|
|
CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_DEPTH, &depth) );
|
|
}
|
|
/*
|
|
* The three queries above might fail if we're in a state where queries
|
|
* are illegal, but then width, height, and depth would still be zero anyway.
|
|
*/
|
|
compsize = __glGetTexImage_size(target,level,format,type,width,height,depth);
|
|
if (compsize < 0) compsize = 0;
|
|
|
|
CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
|
|
__glXClearErrorOccured();
|
|
CALL_GetTexImage( GET_DISPATCH(), (
|
|
*(GLenum *)(pc + 0),
|
|
*(GLint *)(pc + 4),
|
|
*(GLenum *)(pc + 8),
|
|
*(GLenum *)(pc + 12),
|
|
answer
|
|
) );
|
|
|
|
if (__glXErrorOccured()) {
|
|
__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
} else {
|
|
__GLX_BEGIN_REPLY(compsize);
|
|
((xGLXGetTexImageReply *)&__glXReply)->width = width;
|
|
((xGLXGetTexImageReply *)&__glXReply)->height = height;
|
|
((xGLXGetTexImageReply *)&__glXReply)->depth = depth;
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
int __glXDisp_GetPolygonStipple(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
GLboolean lsbFirst;
|
|
__GLXcontext *cx;
|
|
ClientPtr client = cl->client;
|
|
int error;
|
|
GLubyte answerBuffer[200];
|
|
char *answer;
|
|
|
|
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
pc += __GLX_SINGLE_HDR_SIZE;
|
|
lsbFirst = *(GLboolean *)(pc + 0);
|
|
|
|
CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst) );
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,128,1);
|
|
|
|
__glXClearErrorOccured();
|
|
CALL_GetPolygonStipple( GET_DISPATCH(), ((GLubyte *) answer) );
|
|
|
|
if (__glXErrorOccured()) {
|
|
__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
} else {
|
|
__GLX_BEGIN_REPLY(128);
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_BYTE_ARRAY(128);
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
static int GetSeparableFilter(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)
|
|
{
|
|
GLint compsize, compsize2;
|
|
GLenum format, type, target;
|
|
GLboolean swapBytes;
|
|
__GLXcontext *cx;
|
|
ClientPtr client = cl->client;
|
|
int error;
|
|
char *answer, answerBuffer[200];
|
|
GLint width=0, height=0;
|
|
|
|
cx = __glXForceCurrent(cl, tag, &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
format = *(GLenum *)(pc + 4);
|
|
type = *(GLenum *)(pc + 8);
|
|
target = *(GLenum *)(pc + 0);
|
|
swapBytes = *(GLboolean *)(pc + 12);
|
|
|
|
/* target must be SEPARABLE_2D, however I guess we can let the GL
|
|
barf on this one.... */
|
|
|
|
CALL_GetConvolutionParameteriv(GET_DISPATCH(), (target, GL_CONVOLUTION_WIDTH, &width));
|
|
CALL_GetConvolutionParameteriv(GET_DISPATCH(), (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,1,1);
|
|
compsize2 = __glGetTexImage_size(target,1,format,type,height,1,1);
|
|
|
|
if (compsize < 0) compsize = 0;
|
|
if (compsize2 < 0) compsize2 = 0;
|
|
compsize = __GLX_PAD(compsize);
|
|
compsize2 = __GLX_PAD(compsize2);
|
|
|
|
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize + compsize2,1);
|
|
__glXClearErrorOccured();
|
|
CALL_GetSeparableFilter( GET_DISPATCH(), (
|
|
*(GLenum *)(pc + 0),
|
|
*(GLenum *)(pc + 4),
|
|
*(GLenum *)(pc + 8),
|
|
answer,
|
|
answer + compsize,
|
|
NULL
|
|
) );
|
|
|
|
if (__glXErrorOccured()) {
|
|
__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
} else {
|
|
__GLX_BEGIN_REPLY(compsize + compsize2);
|
|
((xGLXGetSeparableFilterReply *)&__glXReply)->width = width;
|
|
((xGLXGetSeparableFilterReply *)&__glXReply)->height = height;
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize + compsize2);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
int __glXDisp_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
|
|
|
return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
|
}
|
|
|
|
int __glXDisp_GetSeparableFilterEXT(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
|
|
|
return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
|
|
}
|
|
|
|
static int GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc,
|
|
GLXContextTag tag)
|
|
{
|
|
GLint compsize;
|
|
GLenum format, type, target;
|
|
GLboolean swapBytes;
|
|
__GLXcontext *cx;
|
|
ClientPtr client = cl->client;
|
|
int error;
|
|
char *answer, answerBuffer[200];
|
|
GLint width=0, height=0;
|
|
|
|
cx = __glXForceCurrent(cl, tag, &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
format = *(GLenum *)(pc + 4);
|
|
type = *(GLenum *)(pc + 8);
|
|
target = *(GLenum *)(pc + 0);
|
|
swapBytes = *(GLboolean *)(pc + 12);
|
|
|
|
CALL_GetConvolutionParameteriv(GET_DISPATCH(),
|
|
(target, GL_CONVOLUTION_WIDTH, &width));
|
|
if (target == GL_CONVOLUTION_1D) {
|
|
height = 1;
|
|
} else {
|
|
CALL_GetConvolutionParameteriv(GET_DISPATCH(),
|
|
(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) compsize = 0;
|
|
|
|
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
|
|
__glXClearErrorOccured();
|
|
CALL_GetConvolutionFilter( 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);
|
|
((xGLXGetConvolutionFilterReply *)&__glXReply)->width = width;
|
|
((xGLXGetConvolutionFilterReply *)&__glXReply)->height = height;
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
int __glXDisp_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
|
|
|
return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
|
}
|
|
|
|
int __glXDisp_GetConvolutionFilterEXT(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
|
|
|
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;
|
|
char *answer, answerBuffer[200];
|
|
GLint width=0;
|
|
|
|
cx = __glXForceCurrent(cl, tag, &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
format = *(GLenum *)(pc + 4);
|
|
type = *(GLenum *)(pc + 8);
|
|
target = *(GLenum *)(pc + 0);
|
|
swapBytes = *(GLboolean *)(pc + 12);
|
|
reset = *(GLboolean *)(pc + 13);
|
|
|
|
CALL_GetHistogramParameteriv(GET_DISPATCH(),
|
|
(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) compsize = 0;
|
|
|
|
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
|
|
__glXClearErrorOccured();
|
|
CALL_GetHistogram(GET_DISPATCH(), (target, reset, format, type, answer));
|
|
|
|
if (__glXErrorOccured()) {
|
|
__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
} else {
|
|
__GLX_BEGIN_REPLY(compsize);
|
|
((xGLXGetHistogramReply *)&__glXReply)->width = width;
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
int __glXDisp_GetHistogram(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
|
|
|
return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
|
}
|
|
|
|
int __glXDisp_GetHistogramEXT(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
|
|
|
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;
|
|
char *answer, answerBuffer[200];
|
|
|
|
cx = __glXForceCurrent(cl, tag, &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
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) compsize = 0;
|
|
|
|
CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
|
|
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
|
|
__glXClearErrorOccured();
|
|
CALL_GetMinmax(GET_DISPATCH(), (target, reset, format, type, answer));
|
|
|
|
if (__glXErrorOccured()) {
|
|
__GLX_BEGIN_REPLY(0);
|
|
__GLX_SEND_HEADER();
|
|
} else {
|
|
__GLX_BEGIN_REPLY(compsize);
|
|
__GLX_SEND_HEADER();
|
|
__GLX_SEND_VOID_ARRAY(compsize);
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
int __glXDisp_GetMinmax(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
|
|
|
|
return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
|
|
}
|
|
|
|
int __glXDisp_GetMinmaxEXT(__GLXclientState *cl, GLbyte *pc)
|
|
{
|
|
const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
|
|
|
|
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;
|
|
char *answer, answerBuffer[200];
|
|
GLint width=0;
|
|
|
|
cx = __glXForceCurrent(cl, tag, &error);
|
|
if (!cx) {
|
|
return error;
|
|
}
|
|
|
|
target = *(GLenum *)(pc + 0);
|
|
format = *(GLenum *)(pc + 4);
|
|
type = *(GLenum *)(pc + 8);
|
|
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);
|
|
}
|