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Limit the performance impact from freeing from the GPU buffer to 5 ms per frame

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fixes #1416
this is a workaround until #1434 is implemented
This commit is contained in:
IntegratedQuantum 2025-05-11 21:06:02 +02:00
parent 1fbf5618b9
commit e4840f7503
1 changed files with 3 additions and 1 deletions
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4
src/graphics.zig
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@ -1893,8 +1893,10 @@ pub fn LargeBuffer(comptime Entry: type) type { // MARK: LargerBuffer
pub fn beginRender(self: *Self) void { pub fn beginRender(self: *Self) void {
self.activeFence += 1; self.activeFence += 1;
if(self.activeFence == self.fences.len) self.activeFence = 0; if(self.activeFence == self.fences.len) self.activeFence = 0;
for(self.fencedFreeLists[self.activeFence].items) |allocation| { const startTime = std.time.milliTimestamp();
while(self.fencedFreeLists[self.activeFence].popOrNull()) |allocation| {
self.finalFree(allocation); self.finalFree(allocation);
if(std.time.milliTimestamp() -% startTime > 5) break; // TODO: Remove after #1434
} }
self.fencedFreeLists[self.activeFence].clearRetainingCapacity(); self.fencedFreeLists[self.activeFence].clearRetainingCapacity();
_ = c.glClientWaitSync(self.fences[self.activeFence], 0, c.GL_TIMEOUT_IGNORED); // Make sure the render calls that accessed these parts of the buffer have finished. _ = c.glClientWaitSync(self.fences[self.activeFence], 0, c.GL_TIMEOUT_IGNORED); // Make sure the render calls that accessed these parts of the buffer have finished.