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graphicsdriver/opengl: Avoid unnecessary creation of Uint16Array/Float32Array

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Updates #1426
This commit is contained in:
Hajime Hoshi 2020-12-02 20:40:24 +09:00
parent 5897e1ab7c
commit 44e2455c65
1 changed files with 2 additions and 4 deletions
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6
internal/graphicsdriver/opengl/context_js.go
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@ -455,16 +455,14 @@ func (c *context) bindElementArrayBuffer(b buffer) {
func (c *context) arrayBufferSubData(data []float32) {
gl := c.gl
arr8 := jsutil.TemporaryUint8Array(len(data) * 4)
arr := js.Global().Get("Float32Array").New(arr8.Get("buffer"), arr8.Get("byteOffset"), len(data))
arr := jsutil.TemporaryUint8Array(len(data) * 4)
jsutil.CopySliceToJS(arr, data)
gl.Call("bufferSubData", gles.ARRAY_BUFFER, 0, arr)
}
func (c *context) elementArrayBufferSubData(data []uint16) {
gl := c.gl
arr8 := jsutil.TemporaryUint8Array(len(data) * 2)
arr := js.Global().Get("Uint16Array").New(arr8.Get("buffer"), arr8.Get("byteOffset"), len(data))
arr := jsutil.TemporaryUint8Array(len(data) * 2)
jsutil.CopySliceToJS(arr, data)
gl.Call("bufferSubData", gles.ELEMENT_ARRAY_BUFFER, 0, arr)
}