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trying to fix crash on MacOS

This commit is contained in:
nikitar020 2019-03-07 21:59:53 +07:00
parent 714310367d
commit 6642d7bce8
1 changed files with 7 additions and 3 deletions
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10
gui/rectangleRenderer.go
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@ -71,8 +71,6 @@ func newRectangleRenderer() (*rectangleRenderer, error) {
gl.GenVertexArrays(1, &vao)
gl.GenBuffers(1, &ibo)
vertices := [12]float32{}
indices := [...]uint32{
0, 1, 2,
2, 3, 0,
@ -81,7 +79,7 @@ func newRectangleRenderer() (*rectangleRenderer, error) {
gl.BindVertexArray(vao)
gl.BindBuffer(gl.ARRAY_BUFFER, vbo)
gl.BufferData(gl.ARRAY_BUFFER, len(vertices)*4, gl.Ptr(&vertices[0]), gl.DYNAMIC_DRAW)
gl.BufferData(gl.ARRAY_BUFFER, 8*4, nil, gl.DYNAMIC_DRAW) // just reserve data for the buffer
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, ibo)
gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, len(indices)*4, gl.Ptr(&indices[0]), gl.DYNAMIC_DRAW)
@ -144,7 +142,13 @@ func (rr *rectangleRenderer) render(left float32, top float32, width float32, he
left, top + height,
}
/*
gl.NamedBufferSubData(rr.vbo, 0, len(vertices)*4, gl.Ptr(&vertices[0]))
/*/
gl.BindBuffer(gl.ARRAY_BUFFER, rr.vbo)
gl.BufferSubData(gl.ARRAY_BUFFER, 0, len(vertices)*4, gl.Ptr(&vertices[0]))
//*/
gl.BindVertexArray(rr.vao)
gl.DrawElements(gl.TRIANGLES, 6, gl.UNSIGNED_INT, gl.PtrOffset(0))