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

Tapani Pälli tapani.palli at intel.com
Mon Aug 27 04:54:49 UTC 2018



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>> 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>>>
>     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>>>
>      >     ---
>      >       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?


> --Jason
> 
>      >     +
>      >     +   p->samplerYcbcrConversionComponents.r =
>      >     VK_COMPONENT_SWIZZLE_IDENTITY;
>      >     +   p->samplerYcbcrConversionComponents.g =
>      >     VK_COMPONENT_SWIZZLE_IDENTITY;
>      >     +   p->samplerYcbcrConversionComponents.b =
>      >     VK_COMPONENT_SWIZZLE_IDENTITY;
>      >     +   p->samplerYcbcrConversionComponents.a =
>      >     VK_COMPONENT_SWIZZLE_IDENTITY;
>      >     +
>      >     +   p->suggestedYcbcrModel =
>      >     VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY;
>      >     +   p->suggestedYcbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_FULL;
>      >     +   p->suggestedXChromaOffset = VK_CHROMA_LOCATION_COSITED_EVEN;
>      >     +   p->suggestedYChromaOffset = VK_CHROMA_LOCATION_COSITED_EVEN;
>      >     +
>      >     +   return VK_SUCCESS;
>      >     +}
>      >     +
>      >     +VkResult
>      >     +anv_GetAndroidHardwareBufferPropertiesANDROID(
>      >     +   VkDevice device_h,
>      >     +   const struct AHardwareBuffer *buffer,
>      >     +   VkAndroidHardwareBufferPropertiesANDROID *pProperties)
>      >     +{
>      >     +   ANV_FROM_HANDLE(anv_device, dev, device_h);
>      >     +   struct anv_physical_device *pdevice =
>      >     &dev->instance->physicalDevice;
>      >     +
>      >     +   VkAndroidHardwareBufferFormatPropertiesANDROID *format_prop =
>      >     +      vk_find_struct(pProperties->pNext,
>      >     +
>      >       ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_ANDROID);
>      >     +
>      >     +   /* Fill format properties of an Android hardware buffer. */
>      >     +   if (format_prop)
>      >     +      get_ahw_buffer_format_properties(device_h, buffer,
>     format_prop);
>      >     +
>      >     +   /* Get a description of buffer contents . */
>      >     +   AHardwareBuffer_Desc desc;
>      >     +   AHardwareBuffer_describe(buffer, &desc);
>      >
>      >
>      > I don't see you using this anywyere. 
>     get_ahw_bufer_format_properties
>      > calls it itself.  An artefact of rebsing perhaps?  Should
>     probably drop
>      > it if it's not needed.
> 
>     Yes this was only used for debugging, will remove.
> 
>      >     +
>      >     +   const native_handle_t *handle =
>      >     +      AHardwareBuffer_getNativeHandle(buffer);
>      >     +   int dma_buf = (handle && handle->numFds) ?
>     handle->data[0] : -1;
>      >     +   if (dma_buf < 0)
>      >     +      return VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR;
>      >     +
>      >     +   /* All memory types. */
>      >     +   uint32_t memory_types = (1ull <<
>     pdevice->memory.type_count) - 1;
>      >     +
>      >     +   pProperties->allocationSize = lseek(dma_buf, 0, SEEK_END);
>      >     +   pProperties->memoryTypeBits = memory_types;
>      >     +
>      >     +   return VK_SUCCESS;
>      >     +}
>      >     +
>      >       VkResult
>      >       anv_image_from_gralloc(VkDevice device_h,
>      >                              const VkImageCreateInfo *base_info,
>      >     --
>      >     2.14.4
>      >
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