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v3dv: don't support VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT

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The hardware doesn't support this naturally and we need to do a lot
of nasty stuff in the driver to almost make it work.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11415>
This commit is contained in:
Iago Toral Quiroga 2021-06-16 11:23:30 +02:00 • committed by Marge Bot
parent c1f938b647
commit 8ae5b44339
1 changed files with 12 additions and 0 deletions
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12
src/broadcom/vulkan/v3dv_formats.c
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@ -631,6 +631,18 @@ get_image_format_properties(
if (!format_feature_flags)
goto unsupported;
/* This allows users to create uncompressed views of compressed images,
* however this is not something the hardware supports naturally and requires
* the driver to lie when programming the texture state to make the hardware
* sample with the uncompressed view correctly, and even then, there are
* issues when running on real hardware.
*
* See https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11336
* for details.
*/
if (info->flags & VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT)
goto unsupported;
if (info->usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
if (!(format_feature_flags & VK_FORMAT_FEATURE_TRANSFER_SRC_BIT)) {
goto unsupported;