enable memory location query and set#601
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dvrogozh
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Jun 1, 2022
| * Image flags , app could retrieve surface informations by this flag after calling vaDeriveImage | ||
| * the flags could include the memory location/region etc. | ||
| * bit0 = 1: the flags is valid flags | ||
| * bit1-2: memory location: 0 system memeory, 1 local memory. |
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So, which bit is for system memory and which for local? did you intent to have bit1 only here?
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bit 1 -2 represent 2bit values, if bit0 is valid, then bit1 is 0 represent system memory, bit1 is 1 represent local memory, bit 2 is used for future, I will update it.
| * bit0 = 1: the flags is valid flags | ||
| * bit1-2: memory location: 0 system memeory, 1 local memory. | ||
| */ | ||
| uint32_t flags; |
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Can we introduce some bit masks to help users understand what's going on?
liangali
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Sep 15, 2022
| * bit0 = 1: the flags is valid flags | ||
| * bit1-2: memory location: 0 system memeory, 1 local memory. | ||
| */ | ||
| uint32_t flags; |
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Do we really need add this "flags" member in VAImage, since we can query memory region info through surfaceattributes (e.g., surface_attrib.value.value.i) ?
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the problem is we could not get surfaceattributes for one dedicate surface
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1. app could specify the memory location by vaCreateSurfaces 2. app could query the memory regions supported by backend driver 3. app could query the surface memory location by vaDeriveImage Signed-off-by: XinfengZhang <carl.zhang@intel.com>
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1. it need definitions in intel/libva#601 2. default behavior is determined by driver (local memory prefered) 3. it will be impacted by platform WA such as WaForceAllocateLML3 Signed-off-by: Carl Zhang <carl.zhang@intel.com>
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it need definitions in intel/libva#601 Signed-off-by: Carl Zhang <carl.zhang@intel.com>
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1. it need definitions in intel/libva#601 2. default behavior is determined by driver (local memory prefered) 3. it will be impacted by platform WA such as WaForceAllocateLML3 Signed-off-by: Carl Zhang <carl.zhang@intel.com>
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it need definitions in intel/libva#601 Signed-off-by: Carl Zhang <carl.zhang@intel.com>
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Signed-off-by: XinfengZhang carl.zhang@intel.com