glx: no need to create extra pixmap for pbuffer
XServer already created a pixmap with same id as pbuffer, so that other client can use the pbuffer id to do glXMakeCurrent(). But with a hidden pixmap, we can't do this. Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13750>
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@ -205,19 +205,15 @@ CreateDRIDrawable(Display *dpy, struct glx_config *config,
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}
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static void
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DestroyDRIDrawable(Display *dpy, GLXDrawable drawable, int destroy_xdrawable)
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DestroyDRIDrawable(Display *dpy, GLXDrawable drawable)
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{
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#ifdef GLX_DIRECT_RENDERING
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struct glx_display *const priv = __glXInitialize(dpy);
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__GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable);
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XID xid;
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if (priv != NULL && pdraw != NULL) {
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xid = pdraw->xDrawable;
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(*pdraw->destroyDrawable) (pdraw);
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__glxHashDelete(priv->drawHash, drawable);
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if (destroy_xdrawable)
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XFreePixmap(priv->dpy, xid);
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}
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#endif
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}
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@ -514,7 +510,7 @@ DestroyDrawable(Display * dpy, GLXDrawable drawable, CARD32 glxCode)
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protocolDestroyDrawable(dpy, drawable, glxCode);
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DestroyGLXDrawable(dpy, drawable);
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DestroyDRIDrawable(dpy, drawable, GL_FALSE);
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DestroyDRIDrawable(dpy, drawable);
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return;
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}
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@ -540,9 +536,7 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
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CARD32 *data;
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CARD8 opcode;
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unsigned int i;
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Pixmap pixmap;
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GLboolean glx_1_3 = GL_FALSE;
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int depth = config->rgbBits;
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if (priv == NULL)
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return None;
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@ -607,15 +601,9 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
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UnlockDisplay(dpy);
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SyncHandle();
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if (depth == 30)
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depth = 32;
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pixmap = XCreatePixmap(dpy, RootWindow(dpy, config->screen),
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width, height, depth);
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if (!CreateDRIDrawable(dpy, config, pixmap, id, attrib_list, i)) {
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/* xserver created a pixmap with the same id as pbuffer */
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if (!CreateDRIDrawable(dpy, config, id, id, attrib_list, i)) {
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CARD32 o = glx_1_3 ? X_GLXDestroyPbuffer : X_GLXvop_DestroyGLXPbufferSGIX;
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XFreePixmap(dpy, pixmap);
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protocolDestroyDrawable(dpy, id, o);
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id = None;
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}
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@ -674,7 +662,7 @@ DestroyPbuffer(Display * dpy, GLXDrawable drawable)
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UnlockDisplay(dpy);
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SyncHandle();
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DestroyDRIDrawable(dpy, drawable, GL_TRUE);
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DestroyDRIDrawable(dpy, drawable);
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return;
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}
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