diff options
| author | Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> | 2018-05-12 23:56:56 +0200 |
|---|---|---|
| committer | Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> | 2018-05-14 18:58:30 +0200 |
| commit | f944a59996287de85d4c6d9b7b000d25f41b1d79 (patch) | |
| tree | bb22fdef6fd3e6c34560293855db3ed06bf8e812 | |
| parent | 3d4d388e3929d7948b62d90867357aecbfba5aeb (diff) | |
radv: Disable texel buffers with A2 SNORM/SSCALED/SINT for pre-vega.
The hardware always interprets the alpha as unsigned and fixing it
in the shader is going to add unacceptable overheads.
CC: 18.0 18.1 <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106480
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
| -rw-r--r-- | src/amd/vulkan/radv_formats.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_formats.c b/src/amd/vulkan/radv_formats.c index f8438f43b8..1ac07b41a6 100644 --- a/src/amd/vulkan/radv_formats.c +++ b/src/amd/vulkan/radv_formats.c @@ -657,6 +657,25 @@ radv_physical_device_get_format_properties(struct radv_physical_device *physical tiled |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT; } + switch(format) { + case VK_FORMAT_A2R10G10B10_SNORM_PACK32: + case VK_FORMAT_A2B10G10R10_SNORM_PACK32: + case VK_FORMAT_A2R10G10B10_SSCALED_PACK32: + case VK_FORMAT_A2B10G10R10_SSCALED_PACK32: + case VK_FORMAT_A2R10G10B10_SINT_PACK32: + case VK_FORMAT_A2B10G10R10_SINT_PACK32: + if (physical_device->rad_info.chip_class <= VI && + physical_device->rad_info.family != CHIP_STONEY) { + buffer &= ~(VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT | + VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT); + linear = 0; + tiled = 0; + } + break; + default: + break; + } + out_properties->linearTilingFeatures = linear; out_properties->optimalTilingFeatures = tiled; out_properties->bufferFeatures = buffer; |