void glGetSeparableFilter(GLenum target, GLenum format, GLenum type,
GLvoid *row, GLvoid *column, GLvoid *span)
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXGetSeparableFilterReply reply;
GLubyte *rowBuf, *colBuf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
/* 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,gc->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);
heightsize = __glImageSize(height,1,1,format, type);
/* Allocate a holding buffer to transform the data from */
rowBuf = (GLubyte*) Xmalloc(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);
Xfree((char*) rowBuf);
}
colBuf = (GLubyte*) Xmalloc(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);
Xfree((char*) colBuf);
}
} else {
/*
** don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
/**
* Implement GLX protocol for \c glSeparableFilter2D.
*/
void
__indirect_glSeparableFilter2D(GLenum target, GLenum internalformat,
GLsizei width, GLsizei height, GLenum format,
GLenum type, const GLvoid * row,
const GLvoid * column)
{
__GLX_DECLARE_VARIABLES();
GLuint compsize2, hdrlen, totalhdrlen, image1len, image2len;
__GLX_LOAD_VARIABLES();
compsize = __glImageSize(width, 1, 1, format, type, 0);
compsize2 = __glImageSize(height, 1, 1, format, type, 0);
totalhdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE);
hdrlen = __GLX_PAD(__GLX_CONV_FILT_HDR_SIZE);
image1len = __GLX_PAD(compsize);
image2len = __GLX_PAD(compsize2);
cmdlen = totalhdrlen + image1len + image2len;
if (!gc->currentDpy)
return;
if (cmdlen <= gc->maxSmallRenderCommandSize) {
/* Use GLXRender protocol to send small command */
__GLX_BEGIN_VARIABLE_WITH_PIXEL(X_GLrop_SeparableFilter2D, cmdlen);
__GLX_PUT_LONG(0, target);
__GLX_PUT_LONG(4, internalformat);
__GLX_PUT_LONG(8, width);
__GLX_PUT_LONG(12, height);
__GLX_PUT_LONG(16, format);
__GLX_PUT_LONG(20, type);
pc += hdrlen;
if (compsize > 0) {
(*gc->fillImage) (gc, 1, width, 1, 1, format, type,
row, pc, pixelHeaderPC);
pc += image1len;
}
if (compsize2 > 0) {
(*gc->fillImage) (gc, 1, height, 1, 1, format, type,
column, pc, NULL);
pc += image2len;
}
if ((compsize == 0) && (compsize2 == 0)) {
/* Setup default store modes */
(void) memcpy(pixelHeaderPC, __glXDefaultPixelStore + 4, 20);
}
__GLX_END(0);
}
else {
GLubyte *buf;
const GLint bufsize = image1len + image2len;
/* Use GLXRenderLarge protocol to send command */
__GLX_BEGIN_VARIABLE_LARGE_WITH_PIXEL(X_GLrop_SeparableFilter2D,
cmdlen + 4);
__GLX_PUT_LONG(0, target);
__GLX_PUT_LONG(4, internalformat);
__GLX_PUT_LONG(8, width);
__GLX_PUT_LONG(12, height);
__GLX_PUT_LONG(16, format);
__GLX_PUT_LONG(20, type);
pc += hdrlen;
/* Allocate a temporary holding buffer */
buf = malloc(bufsize);
if (!buf) {
__glXSetError(gc, GL_OUT_OF_MEMORY);
return;
}
(*gc->fillImage) (gc, 1, width, 1, 1, format, type, row, buf,
pixelHeaderPC);
(*gc->fillImage) (gc, 1, height, 1, 1, format, type, column,
buf + image1len, pixelHeaderPC);
/* Send large command */
__glXSendLargeCommand(gc, gc->pc, (GLint) (pc - gc->pc), buf,
bufsize);
/* Free buffer */
free((char *) buf);
}
}
/* 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);
}
}
}
}
}
void NAME(_gloffset_GetSeparableFilter)(GLenum target, GLenum format, GLenum type,
GLvoid *row, GLvoid *column, GLvoid *span)
{
__GLXcontext * const gc = __glXGetCurrentContext();
if (gc->isDirect) {
CALL_GetSeparableFilter(GET_DISPATCH(),
(target, format, type, row, column, span));
return;
}
else {
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 =
(GLubyte*) Xmalloc((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);
Xfree((char*) buf);
}
}
}
}
}