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[MG_Remote, Espryt] copy image regions through server-owned renderbuffer handles

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swung0x48
2026-09-20 12:03:47 -04:00
parent 44cac27bbc
commit 39e1692861
4 changed files with 35 additions and 15 deletions
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MobileGL/MG_Remote/Client/EmitTables.cpp
+10 -8
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@@ -1274,19 +1274,21 @@ namespace MobileGL::MG_Remote::Client {
// way to rebuild one from a name, and none was measured. P7 is where the backend
// takes handles and this arm becomes ordinary. The sink refuses the same shape by
// the same name if a record ever reaches it (defence on both sides of one wire).
if (src.IsRenderbuffer() || dst.IsRenderbuffer()) {
UnmigratedVerbFatal("CopyImageSubData+RENDERBUFFER");
}
MG_Pipe::MGPCopyRegion record{};
record.Src = PublishedTextureHandle(src.Texture);
record.Dst = PublishedTextureHandle(dst.Texture);
const auto handle = [](const MG_Backend::CopyImageEndpoint& endpoint) {
return endpoint.IsRenderbuffer()
? MG_Pipe::MGPipeSlots().FindByLifetimeId(MG_Pipe::MGPipeKind::Renderbuffer,
endpoint.Renderbuffer->GetLifetimeId())
: PublishedTextureHandle(endpoint.Texture);
};
record.Src = handle(src);
record.Dst = handle(dst);
// The GL names beside the handles: the key MGB_CTX->GetTextureObject(name) takes on
// the far side (a BARRIER-PULLED sticky forward, counted in `rsp`, retired by P7).
record.SrcGlName =
src.Texture ? static_cast<Uint32>(src.Texture->GetExternalIndex()) : 0u;
src.IsRenderbuffer() ? src.Renderbuffer->GetExternalIndex() : src.Texture->GetExternalIndex();
record.DstGlName =
dst.Texture ? static_cast<Uint32>(dst.Texture->GetExternalIndex()) : 0u;
dst.IsRenderbuffer() ? dst.Renderbuffer->GetExternalIndex() : dst.Texture->GetExternalIndex();
// The GL targets verbatim, in a Uint16 - every GL texture target fits one. NOT
// MGPipeResourceTarget: the sink only ever forwards these to a slot that takes GL
// enums, and the tree has no resource-target -> GL-enum inverse to spend on them.