func (unif *UniformsLocInstanced) SetUp(program gl.Program) {
const L = len(unif.ubis)
ubiNames := [L]string{"GlobalMatrices", "GlobalLights"}
ubiPoints := [L]uint{CameraUboBindingPoint, LightUboBindingPoint}
for i := 0; i < L; i++ {
unif.ubis[i] = program.GetUniformBlockIndex(ubiNames[i])
if err := CheckGlError(); err != nil {
err.Description = fmt.Sprintf("GetUniformBlockIndex(%#v)", ubiNames[i])
panic(err)
}
if unif.ubis[i] == gl.INVALID_INDEX {
panic(fmt.Sprintf("GetUniformBlockIndex(%#v) returned INVALID_INDEX", ubiNames[i]))
}
program.UniformBlockBinding(unif.ubis[i], ubiPoints[i])
if err := CheckGlError(); err != nil {
err.Description = "UniformBlockBinding"
panic(err)
}
}
unif.textureLoc = program.GetUniformLocation("environment_map")
if err := CheckGlError(); err != nil {
err.Description = "GetUniformLocation(environment)"
panic(err)
}
if unif.textureLoc == -1 {
panic("environment uniform not found")
}
}
func (unif *UniformsLoc) SetUp(program gl.Program) {
const modelLocName = "model_to_eye"
const matricesUbiName = "GlobalMatrices"
unif.modelLoc = program.GetUniformLocation(modelLocName)
if err := CheckGlError(); err != nil {
err.Description = fmt.Sprintf("program.GetUniformLocation(%#v)", modelLocName)
panic(err)
}
if unif.modelLoc == -1 {
panic(fmt.Sprintf("uniform %#v not found", modelLocName))
}
unif.globalMatricesUbi = program.GetUniformBlockIndex(matricesUbiName)
if err := CheckGlError(); err != nil {
err.Description = fmt.Sprintf("GetUniformBlockIndex(%#v)", matricesUbiName)
panic(err)
}
if unif.globalMatricesUbi == gl.INVALID_INDEX {
panic(fmt.Sprintf("GetUniformBlockIndex(%#v) returned INVALID_INDEX", matricesUbiName))
}
program.UniformBlockBinding(unif.globalMatricesUbi, CameraUboBindingPoint)
if err := CheckGlError(); err != nil {
err.Description = "UniformBlockBinding"
panic(err)
}
}