void glGetTexImage(GLenum target, GLint level, GLenum format, GLenum type,
GLvoid *texels)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute * state;
xGLXGetTexImageReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetTexImage,__GLX_PAD(17));
__GLX_SINGLE_PUT_LONG(0,target);
__GLX_SINGLE_PUT_LONG(4,level);
__GLX_SINGLE_PUT_LONG(8,format);
__GLX_SINGLE_PUT_LONG(12,type);
__GLX_SINGLE_PUT_CHAR(16,state->storePack.swapEndian);
__GLX_SINGLE_READ_XREPLY();
compsize = reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*) Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
GLint width, height, depth;
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
width = reply.width;
height = reply.height;
depth = reply.depth;
__GLX_SINGLE_GET_CHAR_ARRAY(buf,compsize);
__glEmptyImage(gc, 2, width, height, depth, format, type, buf,
texels);
Xfree((char*) buf);
}
} else {
/*
** GL error occured, don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLvoid *pixels)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute * state;
xGLXReadPixelsReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_ReadPixels,__GLX_PAD(26));
__GLX_SINGLE_PUT_LONG(0,x);
__GLX_SINGLE_PUT_LONG(4,y);
__GLX_SINGLE_PUT_LONG(8,width);
__GLX_SINGLE_PUT_LONG(12,height);
__GLX_SINGLE_PUT_LONG(16,format);
__GLX_SINGLE_PUT_LONG(20,type);
__GLX_SINGLE_PUT_CHAR(24,state->storePack.swapEndian);
__GLX_SINGLE_PUT_CHAR(25,GL_FALSE);
__GLX_SINGLE_READ_XREPLY();
compsize = reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*) Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
__GLX_SINGLE_GET_CHAR_ARRAY(buf,compsize);
__glEmptyImage(gc, 2, width, height, 1, format, type, buf, pixels);
Xfree((char*) buf);
}
} else {
/*
** GL error occurred; don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
void glGetHistogram(GLenum target, GLboolean reset, GLenum format,
GLenum type, GLvoid *values)
{
__GLX_SINGLE_DECLARE_VARIABLES();
const __GLXattribute * state;
xGLXGetHistogramReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
state = gc->client_state_private;
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetHistogram,__GLX_PAD(14));
__GLX_SINGLE_PUT_LONG(0,(long)target);
__GLX_SINGLE_PUT_LONG(4,(long)format);
__GLX_SINGLE_PUT_LONG(8,(long)type);
__GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
__GLX_SINGLE_PUT_CHAR(13,reset);
__GLX_SINGLE_READ_XREPLY();
compsize = (long)reply.length << 2;
if (compsize != 0) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*)Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
GLint width;
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
width = (int)reply.width;
__GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),(long)compsize);
__glEmptyImage(gc, 1, width, 1, 1, format, type, buf, values);
Xfree((char*) buf);
}
} else {
/*
** GL error occured, don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
void glGetConvolutionFilter(GLenum target, GLenum format, GLenum type,
GLvoid *image)
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXGetConvolutionFilterReply reply;
GLubyte *buf;
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
/* Send request */
__GLX_SINGLE_BEGIN(X_GLsop_GetConvolutionFilter, __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) {
/* Allocate a holding buffer to transform the data from */
buf = (GLubyte*) Xmalloc(compsize);
if (!buf) {
/* Throw data away */
_XEatData(dpy, compsize);
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
GLint width, height;
/*
** Fetch data into holding buffer. Apply pixel store pack modes
** to put data back into client memory
*/
width = reply.width;
height = reply.height;
__GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),compsize);
__glEmptyImage(gc, 2, width, height, 1, format, type, buf, image);
Xfree((char*) buf);
}
} else {
/*
** GL error occured, don't modify user's buffer.
*/
}
__GLX_SINGLE_END();
}
void glGetPolygonStipple(GLubyte *mask)
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
GLubyte buf[128];
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetPolygonStipple,__GLX_PAD(1));
__GLX_SINGLE_PUT_CHAR(0,GL_FALSE);
__GLX_SINGLE_READ_XREPLY();
if (reply.length == 32) {
__GLX_SINGLE_GET_CHAR_ARRAY(buf,128);
__glEmptyImage(gc, 2, 32, 32, 1, GL_COLOR_INDEX, GL_BITMAP, buf, mask);
}
__GLX_SINGLE_END();
}
void
__glXReadPixelReply(Display * dpy, struct glx_context * gc, unsigned max_dim,
GLint width, GLint height, GLint depth, GLenum format,
GLenum type, void *dest, GLboolean dimensions_in_reply)
{
xGLXSingleReply reply;
GLint size;
(void) _XReply(dpy, (xReply *) & reply, 0, False);
if (dimensions_in_reply) {
width = reply.pad3;
height = reply.pad4;
depth = reply.pad5;
if ((height == 0) || (max_dim < 2)) {
height = 1;
}
if ((depth == 0) || (max_dim < 3)) {
depth = 1;
}
}
size = reply.length * 4;
if (size != 0) {
void *buf = Xmalloc(size);
if (buf == NULL) {
_XEatData(dpy, size);
__glXSetError(gc, GL_OUT_OF_MEMORY);
}
else {
const GLint extra = 4 - (size & 3);
_XRead(dpy, buf, size);
if (extra < 4) {
_XEatData(dpy, extra);
}
__glEmptyImage(gc, 3, width, height, depth, format, type, buf, dest);
Xfree(buf);
}
}
}
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();
}
/* 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);
}
}
}
}
}
