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graphicsdriver/opengl: Bug fix: getBufferSubData did not work correctly on JS

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This commit is contained in:
Hajime Hoshi 2021-01-03 19:44:29 +09:00
parent dd15927710
commit b7abde7f00
1 changed files with 2 additions and 2 deletions
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4
internal/graphicsdriver/opengl/context_js.go
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@ -590,7 +590,7 @@ func (c *context) replacePixelsWithPBO(buffer buffer, t textureNative, width, he
func (c *context) getBufferSubData(buffer buffer, width, height int) []byte { func (c *context) getBufferSubData(buffer buffer, width, height int) []byte {
gl := c.gl gl := c.gl
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, buffer) gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, js.Value(buffer))
l := 4 * width * height l := 4 * width * height
arr := jsutil.TemporaryUint8Array(l, nil) arr := jsutil.TemporaryUint8Array(l, nil)
if isWebGL2Available { if isWebGL2Available {
@ -598,6 +598,6 @@ func (c *context) getBufferSubData(buffer buffer, width, height int) []byte {
} else { } else {
gl.Call("getBufferSubData", gles.PIXEL_UNPACK_BUFFER, 0, arr.Call("subarray", 0, l)) gl.Call("getBufferSubData", gles.PIXEL_UNPACK_BUFFER, 0, arr.Call("subarray", 0, l))
} }
gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, 0) gl.Call("bindBuffer", gles.PIXEL_UNPACK_BUFFER, nil)
return jsutil.Uint8ArrayToSlice(arr, l) return jsutil.Uint8ArrayToSlice(arr, l)
} }