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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Tu,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> If you are using the #1 way, using generic libva (master branch or release version) is
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">enough, no need to switch to a staging branch. (But there is a bug of libva when using the
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">#1 way if libva is not new enough. So please check your libva revision, if it is older than Feb
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">2014, you should update your libva.)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> The reason you received VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT is that<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">you hadn’t filled the attribute structure correctly. Here are what I fill to it, you can take it as<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">a reference:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> VASurfaceID bgra_surface_id;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> int bgra_fd;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> status = clGetMemObjectFd(context, (cl_mem)new_om.data, &bgra_fd);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> CHECK_CLSTATUS(status, "clGetMemObjectFdIntel");<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> VASurfaceAttrib sa[2];<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[0].type = VASurfaceAttribMemoryType;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[0].flags = VA_SURFACE_ATTRIB_SETTABLE;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[0].value.type = VAGenericValueTypeInteger;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[0].value.value.i = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[1].type = VASurfaceAttribExternalBufferDescriptor;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[1].flags = VA_SURFACE_ATTRIB_SETTABLE;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[1].value.type = VAGenericValueTypePointer;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> VASurfaceAttribExternalBuffers sa_eb;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.pixel_format = VA_FOURCC_BGRA;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.width = new_om.cols;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.height = new_om.rows;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.data_size = new_om.step * new_om.rows;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.num_planes = 1;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.pitches[0] = new_om.step;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.offsets[0] = 0;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.num_buffers = 1;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.buffers = (unsigned long *)malloc(sizeof(unsigned long)*sa_eb.num_buffers);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.buffers[0] = bgra_fd;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa_eb.flags = 0;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> sa[1].value.value.p = &sa_eb;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> va_status = vaCreateSurfaces(va_dpy, surface_type,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> new_om.cols, new_om.rows,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> &bgra_surface_id, 1, sa, 2);
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Chuanbo Weng<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Tu Muramastu [mailto:muramastu@gmail.com]
<br>
<b>Sent:</b> Friday, August 15, 2014 15:54<br>
<b>To:</b> Weng, Chuanbo<br>
<b>Subject:</b> About "beignet-openCL and libva/VAAPI"<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi! Chuanbo Weng,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> I'm find a way to share memory between libva and opencl without memory copy and just read the post you wrote "<a href="https://www.mail-archive.com/beignet@lists.freedesktop.org/msg02099.html">https://www.mail-archive.com/beignet@lists.freedesktop.org/msg02099.html</a>"
and thanks for your sharing.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Several things I want to make sure.Could you help me to figure them out?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> 1. For #1 way (using "clGetMemObjectFdIntel"), using generic libva is enough (no need to use the branch), right? <o:p></o:p></p>
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<p class="MsoNormal"> 2. I filled the attribute structure as the following,<o:p></o:p></p>
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<p class="MsoNormal"> VASurfaceAttrib surfaceAttrib;<o:p></o:p></p>
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<p class="MsoNormal"> surfaceAttrib.type = VASurfaceAttribExternalBufferDescriptor; // ?? (not very sure)<o:p></o:p></p>
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<p class="MsoNormal"> surfaceAttrib.flags = VA_SURFACE_ATTRIB_SETTABLE;<o:p></o:p></p>
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<p class="MsoNormal"> surfaceAttrib.value.type = VASurfaceAttribUsageHint;<o:p></o:p></p>
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<p class="MsoNormal"> surfaceAttrib.value.value.p = vaapi->cl_fd;<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Then, vaCreateSurfaces() returns "<span style="color:black">VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT". Do you know what mistake I did?</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:black"> Thanks a lot !!</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:black">BR,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:black">Tu</span><o:p></o:p></p>
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