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vkd3d: Use more correct fallback path for minLODClamp. 

The clamp is absolute, not relative to baseMip. Also avoids validation
error and potential crash when LODClamp > numLevels.

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2021-07-07 12:36:45 +02:00
parent a361bcb0f8
commit 35c555c479
1 changed files with 7 additions and 4 deletions
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11
libs/vkd3d/resource.c
View File

@ -3428,20 +3428,20 @@ bool vkd3d_create_texture_view(struct d3d12_device *device, const struct vkd3d_t
* It will be trivial to add in RADV at least ... */
if (desc->miplevel_clamp >= 1.0f)
{
uint32_t clamp_base_level;
uint32_t new_base_level;
uint32_t level_offset;
uint32_t end_level;
level_offset = (uint32_t)desc->miplevel_clamp;
clamp_base_level = max((uint32_t)desc->miplevel_clamp, view_desc.subresourceRange.baseMipLevel);
if (view_desc.subresourceRange.levelCount != VK_REMAINING_MIP_LEVELS)
{
end_level = view_desc.subresourceRange.baseMipLevel + view_desc.subresourceRange.levelCount;
new_base_level = min(end_level - 1, desc->miplevel_idx + level_offset);
new_base_level = min(end_level - 1, clamp_base_level);
view_desc.subresourceRange.levelCount = end_level - new_base_level;
view_desc.subresourceRange.baseMipLevel = new_base_level;
}
else
view_desc.subresourceRange.baseMipLevel += level_offset;
view_desc.subresourceRange.baseMipLevel = clamp_base_level;
}
if ((vr = VK_CALL(vkCreateImageView(device->vk_device, &view_desc, NULL, &vk_view))) < 0)
@ -3962,6 +3962,9 @@ static void vkd3d_create_texture_srv(struct d3d12_desc *descriptor,
}
}
/* Only applicable to workaround path. */
key.u.texture.miplevel_clamp = min(key.u.texture.miplevel_clamp, (float)resource->desc.MipLevels - 1.0f);
if (!(view = vkd3d_view_map_create_view(&resource->view_map, device, &key)))
return;