func (p *glParams) renderCreate() error {
context := p.context
//align := 4
checkError(context, "init")
if p.edgeAntiAlias() {
err := context.shader.createShader("shader", shaderHeader, "#define EDGE_AA 1", fillVertexShader, fillFragmentShader)
if err != nil {
return err
}
} else {
err := context.shader.createShader("shader", shaderHeader, "", fillVertexShader, fillFragmentShader)
if err != nil {
return err
}
}
checkError(context, "init")
context.shader.getUniforms()
context.vertexBuffer = gl.CreateBuffer()
context.vertexBuffer = gl.CreateBuffer()
checkError(context, "create done")
gl.Finish()
return nil
}
func (s *vertexStream) newContext() *vertexStreamContext {
buffer := gl.CreateBuffer()
gl.BindBuffer(gl.ARRAY_BUFFER, buffer)
gl.BufferData(gl.ARRAY_BUFFER, s.data, gl.STATIC_DRAW)
gl.BindBuffer(gl.ARRAY_BUFFER, gl.Buffer{})
checkError()
return &vertexStreamContext{buffer}
}
func (b *indexBuffer) newContext() *indexBufferContext {
dataVal := reflect.ValueOf(b.data)
length := dataVal.Len() / 2 // HACK: Hardcode support for only ptUshort.
buffer := gl.CreateBuffer()
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, buffer)
gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, b.data, gl.STATIC_DRAW)
gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.Buffer{})
checkError()
return &indexBufferContext{
buffer: buffer,
ty: b.ty,
length: length,
}
}