[Mesa-dev] [PATCH] radv: Add support for ETC2 textures.

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Thu Jan 4 08:09:09 UTC 2018


Interestingly enough radeonsi also exposes it as far as I can see since

commit d214b95e9a113733865546f3388a38bdee69a95f
Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sat Oct 15 14:28:01 2016 +0200

    radeonsi/gfx9: enable ETC2

    Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

Thanks for the warning though.

On Thu, Jan 4, 2018 at 4:43 AM, Mao, David <David.Mao at amd.com> wrote:
> Hi Bas,
> AMD does not support ETC2 officially on the GFX9.
> It would be risky for Radv to export that feature for gfx9 family.
> Anyway, t’s just a heads up, and it is up to you to make the final call.
> FYI: AMDVLK and proprietary AMD vulkan driver don’t’ support that.
>
> Thanks.
> Best Regards,
> David
>
>> On Jan 4, 2018, at 8:38 AM, Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl> wrote:
>>
>> Was surprised that is even supported by Vega.
>> ---
>> src/amd/vulkan/radv_device.c        |  4 +++-
>> src/amd/vulkan/radv_formats.c       | 36 ++++++++++++++++++++++++++++++++++++
>> src/amd/vulkan/vk_format_layout.csv | 20 ++++++++++----------
>> 3 files changed, 49 insertions(+), 11 deletions(-)
>>
>> diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
>> index cbf8f5cf49..bbed9f0ec2 100644
>> --- a/src/amd/vulkan/radv_device.c
>> +++ b/src/amd/vulkan/radv_device.c
>> @@ -530,6 +530,7 @@ void radv_GetPhysicalDeviceFeatures(
>>       VkPhysicalDevice                            physicalDevice,
>>       VkPhysicalDeviceFeatures*                   pFeatures)
>> {
>> +     RADV_FROM_HANDLE(radv_physical_device, pdevice, physicalDevice);
>>       memset(pFeatures, 0, sizeof(*pFeatures));
>>
>>       *pFeatures = (VkPhysicalDeviceFeatures) {
>> @@ -553,7 +554,8 @@ void radv_GetPhysicalDeviceFeatures(
>>               .alphaToOne                               = true,
>>               .multiViewport                            = true,
>>               .samplerAnisotropy                        = true,
>> -             .textureCompressionETC2                   = false,
>> +             .textureCompressionETC2                   = pdevice->rad_info.chip_class >= GFX9 ||
>> +                                                         pdevice->rad_info.family == CHIP_STONEY,
>>               .textureCompressionASTC_LDR               = false,
>>               .textureCompressionBC                     = true,
>>               .occlusionQueryPrecise                    = true,
>> diff --git a/src/amd/vulkan/radv_formats.c b/src/amd/vulkan/radv_formats.c
>> index c008c1bae6..4b0b4c8320 100644
>> --- a/src/amd/vulkan/radv_formats.c
>> +++ b/src/amd/vulkan/radv_formats.c
>> @@ -224,6 +224,28 @@ uint32_t radv_translate_tex_dataformat(VkFormat format,
>>               }
>>       }
>>
>> +     if (desc->layout == VK_FORMAT_LAYOUT_ETC) {
>> +             switch (format) {
>> +             case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
>> +             case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK:
>> +                     return V_008F14_IMG_DATA_FORMAT_ETC2_RGB;
>> +             case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK:
>> +             case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
>> +                     return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA1;
>> +             case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK:
>> +             case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK:
>> +                     return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA;
>> +             case VK_FORMAT_EAC_R11_UNORM_BLOCK:
>> +             case VK_FORMAT_EAC_R11_SNORM_BLOCK:
>> +                     return V_008F14_IMG_DATA_FORMAT_ETC2_R;
>> +             case VK_FORMAT_EAC_R11G11_UNORM_BLOCK:
>> +             case VK_FORMAT_EAC_R11G11_SNORM_BLOCK:
>> +                     return V_008F14_IMG_DATA_FORMAT_ETC2_RG;
>> +             default:
>> +                     break;
>> +             }
>> +     }
>> +
>>       if (format == VK_FORMAT_E5B9G9R9_UFLOAT_PACK32) {
>>               return V_008F14_IMG_DATA_FORMAT_5_9_9_9;
>>       } else if (format == VK_FORMAT_B10G11R11_UFLOAT_PACK32) {
>> @@ -351,10 +373,15 @@ uint32_t radv_translate_tex_numformat(VkFormat format,
>>                               case VK_FORMAT_BC2_SRGB_BLOCK:
>>                               case VK_FORMAT_BC3_SRGB_BLOCK:
>>                               case VK_FORMAT_BC7_SRGB_BLOCK:
>> +                             case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK:
>> +                             case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
>> +                             case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK:
>>                                       return V_008F14_IMG_NUM_FORMAT_SRGB;
>>                               case VK_FORMAT_BC4_SNORM_BLOCK:
>>                               case VK_FORMAT_BC5_SNORM_BLOCK:
>>                               case VK_FORMAT_BC6H_SFLOAT_BLOCK:
>> +                             case VK_FORMAT_EAC_R11_SNORM_BLOCK:
>> +                             case VK_FORMAT_EAC_R11G11_SNORM_BLOCK:
>>                                       return V_008F14_IMG_NUM_FORMAT_SNORM;
>>                               default:
>>                                       return V_008F14_IMG_NUM_FORMAT_UNORM;
>> @@ -557,6 +584,15 @@ radv_physical_device_get_format_properties(struct radv_physical_device *physical
>>               return;
>>       }
>>
>> +     if (desc->layout == VK_FORMAT_LAYOUT_ETC &&
>> +         physical_device->rad_info.chip_class < GFX9 &&
>> +         physical_device->rad_info.family != CHIP_STONEY) {
>> +             out_properties->linearTilingFeatures = linear;
>> +             out_properties->optimalTilingFeatures = tiled;
>> +             out_properties->bufferFeatures = buffer;
>> +             return;
>> +     }
>> +
>>       if (radv_is_storage_image_format_supported(physical_device, format)) {
>>               tiled |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
>>               linear |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
>> diff --git a/src/amd/vulkan/vk_format_layout.csv b/src/amd/vulkan/vk_format_layout.csv
>> index ae9ceda08e..f9c2e6f7c3 100644
>> --- a/src/amd/vulkan/vk_format_layout.csv
>> +++ b/src/amd/vulkan/vk_format_layout.csv
>> @@ -148,16 +148,16 @@ VK_FORMAT_BC6H_UFLOAT_BLOCK          , bptc,  4, 4, x128,     ,     ,     , xyz1
>> VK_FORMAT_BC6H_SFLOAT_BLOCK          , bptc,  4, 4, x128,     ,     ,     , xyz1, rgb
>> VK_FORMAT_BC7_UNORM_BLOCK            , bptc,  4, 4, x128,     ,     ,     , xyzw, rgb
>> VK_FORMAT_BC7_SRGB_BLOCK             , bptc,  4, 4, x128,     ,     ,     , xyzw, srgb
>> -VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,
>> -VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,
>> -VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,
>> -VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,
>> -VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,
>> -VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,
>> -VK_FORMAT_EAC_R11_UNORM_BLOCK,
>> -VK_FORMAT_EAC_R11_SNORM_BLOCK,
>> -VK_FORMAT_EAC_R11G11_UNORM_BLOCK,
>> -VK_FORMAT_EAC_R11G11_SNORM_BLOCK,
>> +VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK    , etc,   4, 4, x64,      ,     ,     , xyz1, rgb
>> +VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK     , etc,   4, 4, x64,      ,     ,     , xyz1, srgb
>> +VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK  , etc,   4, 4, x64,      ,     ,     , xyzw, rgb
>> +VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK   , etc,   4, 4, x64,      ,     ,     , xyzw, srgb
>> +VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK  , etc,   4, 4, x128,     ,     ,     , xyzw, rgb
>> +VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK   , etc,   4, 4, x128,     ,     ,     , xyzw, srgb
>> +VK_FORMAT_EAC_R11_UNORM_BLOCK        , etc,   4, 4, x64,      ,     ,     , x001, rgb
>> +VK_FORMAT_EAC_R11_SNORM_BLOCK        , etc,   4, 4, x64,      ,     ,     , x001, rgb
>> +VK_FORMAT_EAC_R11G11_UNORM_BLOCK     , etc,   4, 4, x128,     ,     ,     , xy01, rgb
>> +VK_FORMAT_EAC_R11G11_SNORM_BLOCK     , etc,   4, 4, x128,     ,     ,     , xy01, rgb
>> VK_FORMAT_ASTC_4x4_UNORM_BLOCK,
>> VK_FORMAT_ASTC_4x4_SRGB_BLOCK,
>> VK_FORMAT_ASTC_5x4_UNORM_BLOCK,
>> --
>> 2.15.1
>>
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>


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