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-rw-r--r--src/glx/singlepix.c196
1 files changed, 196 insertions, 0 deletions
diff --git a/src/glx/singlepix.c b/src/glx/singlepix.c
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+++ b/src/glx/singlepix.c
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+/*
+ * 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 "glapitable.h"
+#include "glapidispatch.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "glapioffsets.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 = (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();
+
+}
+
+
+#define CONCAT(a,b) a ## b
+#define NAME(o) CONCAT(gl_dispatch_stub_, o)
+
+void NAME(_gloffset_GetSeparableFilter) (GLenum target, GLenum format,
+ GLenum type, GLvoid * row,
+ GLvoid * column, GLvoid * span)
+{
+ __GLXcontext *const gc = __glXGetCurrentContext();
+
+#ifdef GLX_DIRECT_RENDERING
+ if (gc->driContext) {
+ CALL_GetSeparableFilter(GET_DISPATCH(),
+ (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 =
+ (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);
+ }
+ }
+ }
+ }
+}