blob: e1468c63c2bc9f31e67041b28e390e6968c0befc [file] [log] [blame]
/*
* 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.
*/
#include "packsingle.h"
#include "indirect.h"
#include "glapi.h"
#include <GL/glxproto.h>
void
__indirect_glGetSeparableFilter(GLenum target, GLenum format, GLenum type,
GLvoid * row, GLvoid * column, GLvoid * span)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute *state;
xGLXGetSeparableFilterReply reply;
GLubyte *rowBuf, *colBuf;
if (!dpy)
return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetSeparableFilter, __GLX_PAD(13));
__GLX_SINGLE_PUT_LONG(0, target);
__GLX_SINGLE_PUT_LONG(4, format);
__GLX_SINGLE_PUT_LONG(8, type);
__GLX_SINGLE_PUT_CHAR(12, state->storePack.swapEndian);
__GLX_SINGLE_READ_XREPLY();
compsize = reply.length << 2;
if (compsize != 0) {
GLint width, height;
GLint widthsize, heightsize;
width = reply.width;
height = reply.height;
widthsize = __glImageSize(width, 1, 1, format, type, 0);
heightsize = __glImageSize(height, 1, 1, format, type, 0);
/* Allocate a holding buffer to transform the data from */
rowBuf = malloc(widthsize);
if (!rowBuf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
UnlockDisplay(dpy);
SyncHandle();
return;
}
else {
__GLX_SINGLE_GET_CHAR_ARRAY(((char *) rowBuf), widthsize);
__glEmptyImage(gc, 1, width, 1, 1, format, type, rowBuf, row);
free((char *) rowBuf);
}
colBuf = malloc(heightsize);
if (!colBuf) {
/* Throw data away */
_XEatData(dpy, compsize - __GLX_PAD(widthsize));
__glXSetError(gc, GL_OUT_OF_MEMORY);
UnlockDisplay(dpy);
SyncHandle();
return;
}
else {
__GLX_SINGLE_GET_CHAR_ARRAY(((char *) colBuf), heightsize);
__glEmptyImage(gc, 1, height, 1, 1, format, type, colBuf, column);
free((char *) colBuf);
}
}
else {
/*
** don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
/* it is defined to gl_dispatch_stub_NNN in indirect.h */
void gl_dispatch_stub_GetSeparableFilterEXT (GLenum target, GLenum format,
GLenum type, GLvoid * row,
GLvoid * column, GLvoid * span)
{
struct glx_context *const gc = __glXGetCurrentContext();
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
if (gc->isDirect) {
const _glapi_proc *const table = (_glapi_proc *) GET_DISPATCH();
PFNGLGETSEPARABLEFILTEREXTPROC p =
(PFNGLGETSEPARABLEFILTEREXTPROC) table[359];
p(target, format, type, row, column, span);
return;
}
else
#endif
{
Display *const dpy = gc->currentDpy;
const GLuint cmdlen = __GLX_PAD(13);
if (dpy != NULL) {
const __GLXattribute *const state = gc->client_state_private;
xGLXGetSeparableFilterReply reply;
GLubyte const *pc =
__glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply,
X_GLvop_GetSeparableFilterEXT, cmdlen);
unsigned compsize;
(void) memcpy((void *) (pc + 0), (void *) (&target), 4);
(void) memcpy((void *) (pc + 4), (void *) (&format), 4);
(void) memcpy((void *) (pc + 8), (void *) (&type), 4);
*(int8_t *) (pc + 12) = state->storePack.swapEndian;
(void) _XReply(dpy, (xReply *) & reply, 0, False);
compsize = reply.length << 2;
if (compsize != 0) {
const GLint width = reply.width;
const GLint height = reply.height;
const GLint widthsize =
__glImageSize(width, 1, 1, format, type, 0);
const GLint heightsize =
__glImageSize(height, 1, 1, format, type, 0);
GLubyte *const buf =
malloc((widthsize > heightsize) ? widthsize : heightsize);
if (buf == NULL) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
UnlockDisplay(dpy);
SyncHandle();
return;
}
else {
int extra;
extra = 4 - (widthsize & 3);
_XRead(dpy, (char *) buf, widthsize);
if (extra < 4) {
_XEatData(dpy, extra);
}
__glEmptyImage(gc, 1, width, 1, 1, format, type, buf, row);
extra = 4 - (heightsize & 3);
_XRead(dpy, (char *) buf, heightsize);
if (extra < 4) {
_XEatData(dpy, extra);
}
__glEmptyImage(gc, 1, height, 1, 1, format, type, buf, column);
free((char *) buf);
}
}
}
}
}