Ryujinx/moltenvk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Set format capabilities for subpass input attachments to kMVKMTLFmtCapsRead.

Browse Source
This commit is contained in:
Bill Hollings 2020-04-11 21:58:52 -04:00
parent bd35b76b8d
commit b582b9284b
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.mm
View File

@ -197,15 +197,16 @@ void MVKRenderSubpass::populateClearAttachments(MVKVector<VkClearAttachment>& cl
}
}
//Returns the format capabilities required by this render subpass.
// The Vulkan spec is unclear about whether a subpass can use an attachment in multiple places,
// so accumulate the capabilities from all possible attachments, just to be safe.
// Returns the format capabilities required by this render subpass.
// It is possible for a subpass to use a single framebuffer attachment for multiple purposes.
// For example, a subpass may use a color or depth attachment as an input attachment as well.
// So, accumulate the capabilities from all possible attachments, just to be safe.
MVKMTLFmtCaps MVKRenderSubpass::getRequiredFormatCapabilitiesForAttachmentAt(uint32_t rpAttIdx) {
MVKMTLFmtCaps caps = kMVKMTLFmtCapsNone;
for (auto& att : _inputAttachments) {
if (att.attachment == rpAttIdx) {
mvkEnableFlags(caps, kMVKMTLFmtCapsNone); // TODO: input attachments are current unsupported
mvkEnableFlags(caps, kMVKMTLFmtCapsRead);
break;
}
}