[Mesa-dev] [PATCH] anv/android: handle storage images in vkGetSwapchainGrallocUsageANDROID

Tapani Pälli tapani.palli at intel.com
Wed Dec 5 12:05:11 UTC 2018



On 12/5/18 2:00 PM, Bas Nieuwenhuizen wrote:
> On Wed, Dec 5, 2018 at 12:51 PM Tapani Pälli <tapani.palli at intel.com> wrote:
>>
>>
>>
>> On 12/5/18 1:44 PM, Bas Nieuwenhuizen wrote:
>>> On Wed, Dec 5, 2018 at 12:37 PM Tapani Pälli <tapani.palli at intel.com> wrote:
>>>>
>>>>
>>>>
>>>> On 12/5/18 1:22 PM, Bas Nieuwenhuizen wrote:
>>>>> On Wed, Dec 5, 2018 at 12:15 PM Tapani Pälli <tapani.palli at intel.com> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 12/5/18 1:01 PM, Bas Nieuwenhuizen wrote:
>>>>>>> On Fri, Sep 7, 2018 at 12:54 AM Kevin Strasser <kevin.strasser at intel.com> wrote:
>>>>>>>>
>>>>>>>> Android P and earlier expect that the surface supports storage images, and
>>>>>>>> so many of the tests fail when the framework checks for that support. The
>>>>>>>> framework also includes various image format and usage combinations that are
>>>>>>>> invalid for the hardware.
>>>>>>>>
>>>>>>>> Drop the STORAGE restriction from the HAL and whitelist a pair of
>>>>>>>> formats so that existing versions of Android can pass these tests.
>>>>>>>>
>>>>>>>> Fixes:
>>>>>>>>        dEQP-VK.wsi.android.*
>>>>>>>>
>>>>>>>> Signed-off-by: Kevin Strasser <kevin.strasser at intel.com>
>>>>>>>> ---
>>>>>>>>      src/intel/vulkan/anv_android.c | 23 ++++++++++++++---------
>>>>>>>>      1 file changed, 14 insertions(+), 9 deletions(-)
>>>>>>>>
>>>>>>>> diff --git a/src/intel/vulkan/anv_android.c b/src/intel/vulkan/anv_android.c
>>>>>>>> index 46c41d5..e2640b8 100644
>>>>>>>> --- a/src/intel/vulkan/anv_android.c
>>>>>>>> +++ b/src/intel/vulkan/anv_android.c
>>>>>>>> @@ -234,7 +234,7 @@ VkResult anv_GetSwapchainGrallocUsageANDROID(
>>>>>>>>         *grallocUsage = 0;
>>>>>>>>         intel_logd("%s: format=%d, usage=0x%x", __func__, format, imageUsage);
>>>>>>>>
>>>>>>>> -   /* WARNING: Android Nougat's libvulkan.so hardcodes the VkImageUsageFlags
>>>>>>>> +   /* WARNING: Android's libvulkan.so hardcodes the VkImageUsageFlags
>>>>>>>>          * returned to applications via VkSurfaceCapabilitiesKHR::supportedUsageFlags.
>>>>>>>>          * The relevant code in libvulkan/swapchain.cpp contains this fun comment:
>>>>>>>>          *
>>>>>>>> @@ -247,7 +247,7 @@ VkResult anv_GetSwapchainGrallocUsageANDROID(
>>>>>>>>          * dEQP-VK.wsi.android.swapchain.*.image_usage to fail.
>>>>>>>>          */
>>>>>>>>
>>>>>>>> -   const VkPhysicalDeviceImageFormatInfo2KHR image_format_info = {
>>>>>>>> +   VkPhysicalDeviceImageFormatInfo2KHR image_format_info = {
>>>>>>>
>>>>>>> Why remove the const here?
>>>>>>>
>>>>>>>>            .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR,
>>>>>>>>            .format = format,
>>>>>>>>            .type = VK_IMAGE_TYPE_2D,
>>>>>>>> @@ -255,6 +255,17 @@ VkResult anv_GetSwapchainGrallocUsageANDROID(
>>>>>>>>            .usage = imageUsage,
>>>>>>>>         };
>>>>>>>>
>>>>>>>> +   /* Android P and earlier doesn't check if the physical device supports a
>>>>>>>> +    * given format and usage combination before calling this function. Omit the
>>>>>>>> +    * storage requirement to make the tests pass.
>>>>>>>> +    */
>>>>>>>> +#if ANDROID_API_LEVEL <= 28
>>>>>>>> +   if (format == VK_FORMAT_R8G8B8A8_SRGB ||
>>>>>>>> +       format == VK_FORMAT_R5G6B5_UNORM_PACK16) {
>>>>>>>> +      image_format_info.usage &= ~VK_IMAGE_USAGE_STORAGE_BIT;
>>>>>>>> +   }
>>>>>>>> +#endif
>>>>>>>
>>>>>>> I don't think you need this. Per the vulkan spec you can only use an
>>>>>>> format + usage combination for a swapchain if it is supported per
>>>>>>> ImageFormatProperties, using essentially the same check happening
>>>>>>> above. I know CTs has been bad at this, but Vulkan CTS should have
>>>>>>> been fixed for a bit now. (I don't think all the fixes are in Android
>>>>>>> CTS 9.0_r4 yet, maybe the next release?)
>>>>>>
>>>>>> AFAIK the problem here is not about CTS. It's the swapchain
>>>>>> implementation that always requires storage support.
>>>>>
>>>>> Actually swapchain creation has the following valid usage rule:
>>>>>
>>>>> "The implied image creation parameters of the swapchain must be
>>>>> supported as reported by vkGetPhysicalDeviceImageFormatProperties"
>>>>>
>>>>> So since those formats don't support the STORAGE usage bit, that test
>>>>> fails and you are not allowed to create a swapchain with those formats
>>>>> and storage, even if the surface capabiliities expose the STORAGE
>>>>> usage bit in general.
>>>>
>>>> Right ... this stuff was done because comment in the swapchain setting
>>>> the bits seems like maybe it's not thought through:
>>>>
>>>> // TODO(jessehall): I think these are right, but haven't thought hard about
>>>> // it. Do we need to query the driver for support of any of these?
>>>
>>> That was from before the spec was changed to add that rule.
>>
>> OK if I understand correctly, so should we rather then try to fix those
>> tests to skip instead of fail?
> 
> They should be fixed with:
> https://github.com/KhronosGroup/VK-GL-CTS/commit/49eab80e4a8b3af1790b9ac88b096aa9bffd193f#diff-8369d6640a2c6ad0c0fc1d85b113faeb
> https://github.com/KhronosGroup/VK-GL-CTS/commit/858f5396a4f63223fcf31f717d23b4b552e10182#diff-8369d6640a2c6ad0c0fc1d85b113faeb

Thanks, will try with these!

> 
>>
>>>>
>>>>>>
>>>>>>> (Also silently removing the usage bit is bad, because the app could
>>>>>>> try actually using images stores with the image ...)
>>>>>>
>>>>>> True, it is not nice ..
>>>>>>
>>>>>>
>>>>>>>> +
>>>>>>>>         VkImageFormatProperties2KHR image_format_props = {
>>>>>>>>            .sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2_KHR,
>>>>>>>>         };
>>>>>>>> @@ -268,19 +279,13 @@ VkResult anv_GetSwapchainGrallocUsageANDROID(
>>>>>>>>                             "inside %s", __func__);
>>>>>>>>         }
>>>>>>>>
>>>>>>>> -   /* Reject STORAGE here to avoid complexity elsewhere. */
>>>>>>>> -   if (imageUsage & VK_IMAGE_USAGE_STORAGE_BIT) {
>>>>>>>> -      return vk_errorf(device->instance, device, VK_ERROR_FORMAT_NOT_SUPPORTED,
>>>>>>>> -                       "VK_IMAGE_USAGE_STORAGE_BIT unsupported for gralloc "
>>>>>>>> -                       "swapchain");
>>>>>>>> -   }
>>>>>>>> -
>>>>>>>>         if (unmask32(&imageUsage, VK_IMAGE_USAGE_TRANSFER_DST_BIT |
>>>>>>>>                                   VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT))
>>>>>>>>            *grallocUsage |= GRALLOC_USAGE_HW_RENDER;
>>>>>>>>
>>>>>>>>         if (unmask32(&imageUsage, VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
>>>>>>>>                                   VK_IMAGE_USAGE_SAMPLED_BIT |
>>>>>>>> +                             VK_IMAGE_USAGE_STORAGE_BIT |
>>>>>>>>                                   VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT))
>>>>>>>>            *grallocUsage |= GRALLOC_USAGE_HW_TEXTURE;
>>>>>>>>
>>>>>>>> --
>>>>>>>> 2.7.4
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>>> mesa-dev at lists.freedesktop.org
>>>>>>>> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>>>>>>> _______________________________________________
>>>>>>> mesa-dev mailing list
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>>>>>>> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>>>>>>>


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