graphicsdriver/opengl: Fix comments

This commit is contained in:
Hajime Hoshi 2019-11-24 18:11:45 +09:00
parent 3d3a1be1c4
commit 78e912e30b

View File

@ -529,7 +529,7 @@ func (c *context) mapPixelBuffer(buffer buffer, t textureNative) uintptr {
var ptr uintptr
_ = c.t.Call(func() error {
gl.BindBuffer(gl.PIXEL_UNPACK_BUFFER, uint32(buffer))
// Even though only the part of the buffer is updated, that's fine.
// Even though the buffer is partly updated, GL_WRITE_ONLY is fine.
// https://stackoverflow.com/questions/30248594/write-only-glmapbuffer-what-if-i-dont-write-it-all
ptr = gl.MapBuffer(gl.PIXEL_UNPACK_BUFFER, gl.WRITE_ONLY)
return nil