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authorBrian Paul <brian.paul@tungstengraphics.com>2006-02-07 00:39:56 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2006-02-07 00:39:56 +0000
commit42725d6f545087d094b1479d1ebcbd45ec6ac15c (patch)
treea3fc53ce0b299afb9f3af897d41f6a2784ad5471 /src/glx
parent4cd0e24f86a5e3fa67774be546f922ca241cb0ea (diff)
David Reveman's GLX_EXT_texture_from_pixmap extension patch
Diffstat (limited to 'src/glx')
-rw-r--r--src/glx/x11/glx_pbuffer.c51
-rw-r--r--src/glx/x11/glxcmds.c84
-rw-r--r--src/glx/x11/glxextensions.c1
-rw-r--r--src/glx/x11/glxextensions.h3
4 files changed, 117 insertions, 22 deletions
diff --git a/src/glx/x11/glx_pbuffer.c b/src/glx/x11/glx_pbuffer.c
index 83c550559c..afdf710790 100644
--- a/src/glx/x11/glx_pbuffer.c
+++ b/src/glx/x11/glx_pbuffer.c
@@ -200,6 +200,7 @@ GetDrawableAttribute( Display *dpy, GLXDrawable drawable,
GLboolean use_glx_1_3 = ((priv->majorVersion > 1)
|| (priv->minorVersion >= 3));
+ *value = 0;
if ( (dpy == NULL) || (drawable == 0) ) {
return 0;
@@ -230,33 +231,41 @@ GetDrawableAttribute( Display *dpy, GLXDrawable drawable,
_XReply(dpy, (xReply*) &reply, 0, False);
+ if (reply.type == X_Error)
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return 0;
+ }
+
length = reply.length;
- num_attributes = (use_glx_1_3) ? reply.numAttribs : length / 2;
- data = (CARD32 *) Xmalloc( length * sizeof(CARD32) );
- if ( data == NULL ) {
- /* Throw data on the floor */
- _XEatData(dpy, length);
- } else {
- _XRead(dpy, (char *)data, length * sizeof(CARD32) );
+ if (length)
+ {
+ num_attributes = (use_glx_1_3) ? reply.numAttribs : length / 2;
+ data = (CARD32 *) Xmalloc( length * sizeof(CARD32) );
+ if ( data == NULL ) {
+ /* Throw data on the floor */
+ _XEatData(dpy, length);
+ } else {
+ _XRead(dpy, (char *)data, length * sizeof(CARD32) );
+
+ /* Search the set of returned attributes for the attribute requested by
+ * the caller.
+ */
+ for ( i = 0 ; i < num_attributes ; i++ ) {
+ if ( data[i*2] == attribute ) {
+ *value = data[ (i*2) + 1 ];
+ break;
+ }
+ }
+
+ Xfree( data );
+ }
}
UnlockDisplay(dpy);
SyncHandle();
-
- /* Search the set of returned attributes for the attribute requested by
- * the caller.
- */
-
- for ( i = 0 ; i < num_attributes ; i++ ) {
- if ( data[i*2] == attribute ) {
- *value = data[ (i*2) + 1 ];
- break;
- }
- }
-
- Xfree( data );
-
return 0;
}
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 6a31f24dd8..d23a530710 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -2589,7 +2589,87 @@ PUBLIC Bool glXSet3DfxModeMESA( int mode )
}
/*@}*/
+PUBLIC Bool glXBindTexImageEXT(Display *dpy,
+ GLXDrawable drawable,
+ int buffer)
+{
+ xGLXVendorPrivateReq *req;
+ GLXContext gc = __glXGetCurrentContext();
+ CARD32 *drawable_ptr;
+ INT32 *buffer_ptr;
+ CARD8 opcode;
+ if (gc == NULL)
+ return False;
+
+#ifdef GLX_DIRECT_RENDERING
+ if (gc->isDirect)
+ return False;
+#endif
+
+ opcode = __glXSetupForCommand(dpy);
+ if (!opcode)
+ return False;
+
+ LockDisplay(dpy);
+ GetReqExtra(GLXVendorPrivate, sizeof(CARD32)+sizeof(INT32),req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXVendorPrivate;
+ req->vendorCode = X_GLXvop_BindTexImageEXT;
+ req->contextTag = gc->currentContextTag;
+
+ drawable_ptr = (CARD32 *) (req + 1);
+ buffer_ptr = (INT32 *) (drawable_ptr + 1);
+
+ *drawable_ptr = drawable;
+ *buffer_ptr = buffer;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
+
+PUBLIC Bool glXReleaseTexImageEXT(Display *dpy,
+ GLXDrawable drawable,
+ int buffer)
+{
+ xGLXVendorPrivateReq *req;
+ GLXContext gc = __glXGetCurrentContext();
+ CARD32 *drawable_ptr;
+ INT32 *buffer_ptr;
+ CARD8 opcode;
+
+ if (gc == NULL)
+ return False;
+
+#ifdef GLX_DIRECT_RENDERING
+ if (gc->isDirect)
+ return False;
+#endif
+
+ opcode = __glXSetupForCommand(dpy);
+ if (!opcode)
+ return False;
+
+ LockDisplay(dpy);
+ GetReqExtra(GLXVendorPrivate, sizeof(CARD32)+sizeof(INT32),req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXVendorPrivate;
+ req->vendorCode = X_GLXvop_ReleaseTexImageEXT;
+ req->contextTag = gc->currentContextTag;
+
+ drawable_ptr = (CARD32 *) (req + 1);
+ buffer_ptr = (INT32 *) (drawable_ptr + 1);
+
+ *drawable_ptr = drawable;
+ *buffer_ptr = buffer;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
/**
* \c strdup is actually not a standard ANSI C or POSIX routine.
@@ -2771,6 +2851,10 @@ static const struct name_address_pair GLX_functions[] = {
GLX_FUNCTION( glXGetMscRateOML ),
GLX_FUNCTION( glXGetSyncValuesOML ),
+ /*** GLX_EXT_texture_from_pixmap ***/
+ GLX_FUNCTION( glXBindTexImageEXT ),
+ GLX_FUNCTION( glXReleaseTexImageEXT ),
+
#ifdef GLX_DIRECT_RENDERING
/*** DRI configuration ***/
GLX_FUNCTION( glXGetScreenDriver ),
diff --git a/src/glx/x11/glxextensions.c b/src/glx/x11/glxextensions.c
index d2597981cf..3e4fc0d19f 100644
--- a/src/glx/x11/glxextensions.c
+++ b/src/glx/x11/glxextensions.c
@@ -107,6 +107,7 @@ static const struct extension_info known_glx_extensions[] = {
{ GLX(SGIX_video_source), VER(0,0), N, N, N, N },
{ GLX(SGIX_visual_select_group), VER(0,0), Y, Y, N, N },
{ GLX(SUN_get_transparent_index), VER(0,0), N, N, N, N },
+ { GLX(EXT_texture_from_pixmap), VER(0,0), Y, N, N, N },
{ NULL }
};
diff --git a/src/glx/x11/glxextensions.h b/src/glx/x11/glxextensions.h
index b4b03729ce..8a8e901e6b 100644
--- a/src/glx/x11/glxextensions.h
+++ b/src/glx/x11/glxextensions.h
@@ -69,7 +69,8 @@ enum {
SGIX_video_resize_bit,
SGIX_video_source_bit,
SGIX_visual_select_group_bit,
- SUN_get_transparent_index_bit
+ SUN_get_transparent_index_bit,
+ EXT_texture_from_pixmap_bit
};
enum {