[Mesa-dev] [PATCH 3/8] anv/android: add GetAndroidHardwareBufferPropertiesANDROID

Tapani Pälli tapani.palli at intel.com
Wed Sep 26 13:58:31 UTC 2018



On 9/26/18 4:46 PM, Jason Ekstrand wrote:
> On Wed, Sep 26, 2018 at 8:29 AM Tapani Pälli <tapani.palli at intel.com 
> <mailto:tapani.palli at intel.com>> wrote:
> 
> 
> 
>     On 9/26/18 10:46 AM, Jason Ekstrand wrote:
>      > On Mon, Aug 27, 2018 at 2:22 AM Jason Ekstrand
>     <jason at jlekstrand.net <mailto:jason at jlekstrand.net>
>      > <mailto:jason at jlekstrand.net <mailto:jason at jlekstrand.net>>> wrote:
>      >
>      >     On Sun, Aug 26, 2018 at 11:54 PM Tapani Pälli
>      >     <tapani.palli at intel.com <mailto:tapani.palli at intel.com>
>     <mailto:tapani.palli at intel.com <mailto:tapani.palli at intel.com>>> wrote:
>      >
>      >
>      >
>      >         On 08/24/2018 05:04 PM, Jason Ekstrand wrote:
>      >          > On Fri, Aug 24, 2018 at 12:08 AM Tapani Pälli
>      >         <tapani.palli at intel.com <mailto:tapani.palli at intel.com>
>     <mailto:tapani.palli at intel.com <mailto:tapani.palli at intel.com>>
>      >          > <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>>>> wrote:
>      >          >
>      >          >
>      >          >
>      >          >     On 08/22/2018 05:18 PM, Jason Ekstrand wrote:
>      >          >      > On Tue, Aug 21, 2018 at 3:27 AM Tapani Pälli
>      >          >     <tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com> <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com> <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>>>
>      >          >      > <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>> <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>>>>>
>      >          >     wrote:
>      >          >      >
>      >          >      >     When adding YUV support, we need to figure out
>      >          >     implementation-defined
>      >          >      >     external format identifier.
>      >          >      >
>      >          >      >     Signed-off-by: Tapani Pälli
>      >         <tapani.palli at intel.com <mailto:tapani.palli at intel.com>
>     <mailto:tapani.palli at intel.com <mailto:tapani.palli at intel.com>>
>      >          >     <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>>>
>      >          >      >     <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>> <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>
>      >         <mailto:tapani.palli at intel.com
>     <mailto:tapani.palli at intel.com>>>>>
>      >          >      >     ---
>      >          >      >       src/intel/vulkan/anv_android.c | 99
>      >          >      >     ++++++++++++++++++++++++++++++++++++++++++
>      >          >      >       1 file changed, 99 insertions(+)
>      >          >      >
>      >          >      >     diff --git a/src/intel/vulkan/anv_android.c
>      >          >      >     b/src/intel/vulkan/anv_android.c
>      >          >      >     index 46c41d57861..7d0eb588e2b 100644
>      >          >      >     --- a/src/intel/vulkan/anv_android.c
>      >          >      >     +++ b/src/intel/vulkan/anv_android.c
>      >          >      >     @@ -29,6 +29,8 @@
>      >          >      >       #include <sync/sync.h>
>      >          >      >
>      >          >      >       #include "anv_private.h"
>      >          >      >     +#include "vk_format_info.h"
>      >          >      >     +#include "vk_util.h"
>      >          >      >
>      >          >      >       static int anv_hal_open(const struct
>      >         hw_module_t* mod,
>      >          >     const char*
>      >          >      >     id, struct hw_device_t** dev);
>      >          >      >       static int anv_hal_close(struct
>     hw_device_t *dev);
>      >          >      >     @@ -96,6 +98,103 @@ anv_hal_close(struct
>      >         hw_device_t *dev)
>      >          >      >          return -1;
>      >          >      >       }
>      >          >      >
>      >          >      >     +static VkResult
>      >          >      >     +get_ahw_buffer_format_properties(
>      >          >      >     +   VkDevice device_h,
>      >          >      >     +   const struct AHardwareBuffer *buffer,
>      >          >      >     + 
>       VkAndroidHardwareBufferFormatPropertiesANDROID
>      >         *pProperties)
>      >          >      >     +{
>      >          >      >     +   ANV_FROM_HANDLE(anv_device, device,
>     device_h);
>      >          >      >     +
>      >          >      >     +   /* Get a description of buffer contents
>     . */
>      >          >      >     +   AHardwareBuffer_Desc desc;
>      >          >      >     +   AHardwareBuffer_describe(buffer, &desc);
>      >          >      >     +
>      >          >      >     +   /* Verify description. */
>      >          >      >     +   uint64_t gpu_usage =
>      >          >      >     +     
>     AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE |
>      >          >      >     +      AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT |
>      >          >      >     +      AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER;
>      >          >      >     +
>      >          >      >     +   /* "Buffer must be a valid Android hardware
>      >         buffer object
>      >          >     with
>      >          >      >     at least
>      >          >      >     +    * one of the AHARDWAREBUFFER_USAGE_GPU_*
>      >         usage flags."
>      >          >      >     +    */
>      >          >      >     +   if (!(desc.usage & (gpu_usage)))
>      >          >      >     +      return
>     VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR;
>      >          >      >     +
>      >          >      >     +   /* Fill properties fields based on
>     description. */
>      >          >      >     + 
>       VkAndroidHardwareBufferFormatPropertiesANDROID
>      >         *p =
>      >          >     pProperties;
>      >          >      >     +
>      >          >      >     +   p->pNext = NULL;
>      >          >      >
>      >          >      >
>      >          >      > You shouldn't be overwriting pNext.  That's used by
>      >         the client to
>      >          >     let
>      >          >      > them chain in multiple structs to fill out in case
>      >         Google ever
>      >          >     extends
>      >          >      > this extension.  Also, while we're here, it'd
>     be good
>      >         to throw in an
>      >          >      > assert that p->sType is the right thing.
>      >          >
>      >          >     Yes of course, will remove.
>      >          >
>      >          >      >     +   p->format =
>     vk_format_from_android(desc.format);
>      >          >      >     +   p->externalFormat = 1; /* XXX */
>      >          >      >     +
>      >          >      >     +   const struct anv_format *anv_format =
>      >          >     anv_get_format(p->format);
>      >          >      >     +   struct anv_physical_device
>     *physical_device =
>      >          >      >     +      &device->instance->physicalDevice;
>      >          >      >     +   const struct gen_device_info *devinfo =
>      >          >     &physical_device->info;
>      >          >      >
>      >          >      >
>      >          >      > If all you need is devinfo, that's avilable in the
>      >         device; you don't
>      >          >      > need to get the physical device for it.  Should be
>      >         device->info.
>      >          >
>      >          >     OK
>      >          >
>      >          >      >     +
>      >          >      >     +   p->formatFeatures =
>      >          >      >     +      anv_get_image_format_features(devinfo,
>      >         p->format,
>      >          >      >     +                                   
>     anv_format,
>      >          >      >     VK_IMAGE_TILING_OPTIMAL);
>      >          >      >     +
>      >          >      >     +   /* "The formatFeatures member *must*
>     include
>      >          >      >     +    *  VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT
>     and at
>      >         least one of
>      >          >      >     +    *
>      >         VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT or
>      >          >      >     +    * 
>     VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT"
>      >          >      >     +    */
>      >          >      >     +   p->formatFeatures |=
>      >          >      >     +     
>     VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT;
>      >          >      >
>      >          >      >
>      >          >      > Uh... Why not just throw in SAMPLED_BIT?  For that
>      >         matter, all of
>      >          >     the
>      >          >      > formats you have in your conversion helpers support
>      >         sampling.  Maybe
>      >          >      > just replace that with an assert for now.
>      >          >
>      >          >     Yeah, VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT is
>     there. Well
>      >         thing is that
>      >          >     dEQP checks explicitly that either
>      >          >     VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT or
>      >          >     VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT exists
>      >         (independent of
>      >          >     surface format). TBH I'm not sure what to do about
>     that.
>      >          >
>      >          >
>      >          > That's annoying...  Is that in a Khronos CTS test or a
>     Google
>      >         test?
>      >          > Either way, we should try to get it corrected.  If you
>     don't
>      >         know how to
>      >          > do that, I can send some e-mails.
>      >
>      >         But per the Vulkan spec quote above it's not a bug, it
>     says that
>      >         "formatFeatures member must include sampled bit and at
>     least one of
>      >         MIDPOINT_CHROMA_SAMPLES or COSITED_CHROMA_SAMPLES. So ..
>     I guess I
>      >         should limit the supported formats to only those that have
>      >         anv_format->can_ycbcr() set?
>      >
>      >
>      >       I'll grant that it's consistent with the spec but it also seems
>      >     like the spec has a bug.  I'll file a spec bug.
>      >
>      >
>      > I had a chat with Jesse Hall at the F2F in Budapest last week and he
>      > explained why this is needed.  The requirement exists so that
>     clients
>      > can always take the external path even if the format is not
>      > VK_FORMAT_UNSUPPORTED.  In order to support this, we need to
>     allow color
>      > conversion samplers even for non-YUV formats.  It should be
>     fairly easy
>      > to just no-op the format conversion when it's a non-YUV external
>      > format.  I don't know if there are tests which exercise the format
>      > conversion path on, say R8G8B8A8_UNORM, but we need to make sure
>     it works.
>      >
> 
>     OK, will try to test this through. It seems currently I'm getting a
>     crash in anv_nir_lower_ycbcr_textures() when using sampler created with
>     VkSamplerYcbcrConversion together with regular RGB texture, I think
>     something is going wrong with component swizzle mapping done there.
>     I'll
>     need to verify I'm doing things ok though, I haven't used
>     VkSamplerYcbcrConversion previously.
> 
> 
> Yeah, we just need to detect the case where we have an external format 
> that's RGBA and no-op it either in lower_ycbcr_conversion or don't 
> create the conversion object in CreateSampler.
> 

Right, will investigate what would be the right/convinient place to 
detect this. Currently I'm just testing on desktop with regular RGBA 
images as it's much easier to debug things than on Android.

// Tapani


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