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util: Move util_is_power_of_two to bitscan.h and rename to util_is_power_of_two_or_zero

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The new name make the zero-input behavior more obvious.  The next
patch adds a new function with different zero-input behavior.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Suggested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
This commit is contained in:
Ian Romanick
2017-11-13 11:17:41 -08:00
parent a3a16d4aa7
commit d76c204d05
37 changed files with 79 additions and 73 deletions
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4
src/amd/vulkan/radv_formats.c
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@@ -638,13 +638,13 @@ radv_physical_device_get_format_properties(struct radv_physical_device *physical
tiled |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
}
}
if (tiled && util_is_power_of_two(vk_format_get_blocksize(format)) && !scaled) {
if (tiled && util_is_power_of_two_or_zero(vk_format_get_blocksize(format)) && !scaled) {
tiled |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
}
}
if (linear && util_is_power_of_two(vk_format_get_blocksize(format)) && !scaled) {
if (linear && util_is_power_of_two_or_zero(vk_format_get_blocksize(format)) && !scaled) {
linear |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
}