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anv/image: Update usage flags for multisample images

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Meta resolves multisample images by binding them as textures. Therefore
we must add VK_IMAGE_USAGE_SAMPLED_BIT.
This commit is contained in:
Chad Versace 2016-01-28 06:28:01 -08:00
parent 608b411e9f
commit 2bab3cd681
1 changed files with 6 additions and 0 deletions
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6
src/vulkan/anv_image.c
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@ -158,6 +158,12 @@ anv_image_get_full_usage(const VkImageCreateInfo *info)
{
VkImageUsageFlags usage = info->usage;
if (info->samples > 1 &&
(usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
/* Meta will resolve the image by binding it as a texture. */
usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
}
if (usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
/* Meta will transfer from the image by binding it as a texture. */
usage |= VK_IMAGE_USAGE_SAMPLED_BIT;