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Stash new register value before executing deferred draws/updates

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Since the register writes technically happen after the draw, issues can occur if they happen before: e.g. skyrim updates ctSelect and disables all RTs after a draw, but this would happen before it previously and crash the driver.
This commit is contained in:
Billy Laws 2022-10-30 16:39:19 +00:00
parent c50852e546
commit 133f08ed14
1 changed files with 5 additions and 0 deletions
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5
app/src/main/cpp/skyline/soc/gm20b/engines/maxwell_3d.cpp
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@ -93,6 +93,7 @@ namespace skyline::soc::gm20b::engine::maxwell3d {
bool redundant{registers.raw[method] == argument};
u32 origRegisterValue{registers.raw[method]};
registers.raw[method] = argument;
if (batchEnableState.raw) {
@ -111,10 +112,12 @@ namespace skyline::soc::gm20b::engine::maxwell3d {
#undef LOAD_CONSTANT_BUFFER_CALLBACKS
default:
// When a method other than constant buffer update is called submit our submit the previously built-up update as a batch
registers.raw[method] = origRegisterValue;
interconnect.DisableQuickConstantBufferBind();
interconnect.LoadConstantBuffer(batchLoadConstantBuffer.buffer, batchLoadConstantBuffer.startOffset);
batchEnableState.constantBufferActive = false;
batchLoadConstantBuffer.Reset();
registers.raw[method] = argument;
break; // Continue on here to handle the actual method
}
} else if (batchEnableState.drawActive) { // See DeferredDrawState comment for full details
@ -171,7 +174,9 @@ namespace skyline::soc::gm20b::engine::maxwell3d {
// Once we stop calling draw methods flush the current draw since drawing is dependent on the register state not changing
default:
registers.raw[method] = origRegisterValue;
FlushDeferredDraw();
registers.raw[method] = argument;
break;
}
}