The DXT1_RGB* format does not provide the correct behavior for Vulkan in the case where color_0 <= color_1. BC1_RGB_UNORM with a alpha set to 1 provides the behavior which matches the spec.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100925 Cc: <mesa-sta...@lists.freedesktop.org> Signed-off-by: Nanley Chery <nanley.g.ch...@intel.com> --- src/intel/vulkan/anv_formats.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/intel/vulkan/anv_formats.c b/src/intel/vulkan/anv_formats.c index c39cec3800..25801e8b06 100644 --- a/src/intel/vulkan/anv_formats.c +++ b/src/intel/vulkan/anv_formats.c @@ -179,8 +179,8 @@ static const struct anv_format anv_formats[] = { fmt(VK_FORMAT_D24_UNORM_S8_UINT, ISL_FORMAT_R24_UNORM_X8_TYPELESS), fmt(VK_FORMAT_D32_SFLOAT_S8_UINT, ISL_FORMAT_R32_FLOAT), - fmt(VK_FORMAT_BC1_RGB_UNORM_BLOCK, ISL_FORMAT_DXT1_RGB), - fmt(VK_FORMAT_BC1_RGB_SRGB_BLOCK, ISL_FORMAT_DXT1_RGB_SRGB), + swiz_fmt(VK_FORMAT_BC1_RGB_UNORM_BLOCK, ISL_FORMAT_BC1_UNORM, RGB1), + swiz_fmt(VK_FORMAT_BC1_RGB_SRGB_BLOCK, ISL_FORMAT_BC1_UNORM_SRGB, RGB1), fmt(VK_FORMAT_BC1_RGBA_UNORM_BLOCK, ISL_FORMAT_BC1_UNORM), fmt(VK_FORMAT_BC1_RGBA_SRGB_BLOCK, ISL_FORMAT_BC1_UNORM_SRGB), fmt(VK_FORMAT_BC2_UNORM_BLOCK, ISL_FORMAT_BC2_UNORM), -- 2.12.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
