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https://github.com/hajimehoshi/ebiten.git
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96fa0565e4
This change also enables to remove the optimization at (*buffered.Image).ReplacePixels. // This commit w/ the optimization BenchmarkImageDrawOver-8 60225 19241 ns/op // This commit w/o the optimization BenchmarkImageDrawOver-8 66567 17700 ns/op // The previous w/ the optimization BenchmarkImageDrawOver-8 62355 19580 ns/op // The previous w/o the optimization BenchmarkImageDrawOver-8 54460 22768 ns/op Updates #1137
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2019 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package buffered
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import (
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"sync/atomic"
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)
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var (
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needsToDelayCommandsV int32 = 1
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// delayedCommands represents a queue for image operations that are ordered before the game starts
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// (BeginFrame). Before the game starts, the package shareable doesn't determine the minimum/maximum texture
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// sizes (#879).
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delayedCommands []func() error
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)
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func flushDelayedCommands() error {
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fs := getDelayedFuncsAndClear()
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for _, f := range fs {
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if err := f(); err != nil {
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return err
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}
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}
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return nil
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}
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func getDelayedFuncsAndClear() []func() error {
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atomic.StoreInt32(&needsToDelayCommandsV, 0)
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fs := make([]func() error, len(delayedCommands))
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copy(fs, delayedCommands)
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delayedCommands = nil
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return fs
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}
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func needsToDelayCommands() bool {
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return atomic.LoadInt32(&needsToDelayCommandsV) != 0
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}
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