ml
36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
package opengl
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// LinkNewProgram creates a new shader program based on the provided shaders.
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func LinkNewProgram(gl OpenGL, shaders ...uint32) (program uint32, err error) {
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program = gl.CreateProgram()
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for _, shader := range shaders {
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gl.AttachShader(program, shader)
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}
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gl.LinkProgram(program)
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if gl.GetProgramParameter(program, LINK_STATUS) == 0 {
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err = ShaderError{Log: gl.GetProgramInfoLog(program)}
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gl.DeleteProgram(program)
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program = 0
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}
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return
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}
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// LinkNewStandardProgram creates a new shader based on two shader sources.
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func LinkNewStandardProgram(gl OpenGL, vertexShaderSource, fragmentShaderSource string) (program uint32, err error) {
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vertexShader, vertexErr := CompileNewShader(gl, VERTEX_SHADER, vertexShaderSource)
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if vertexErr != nil {
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return 0, NamedShaderError{Name: "vertexShader", Nested: vertexErr}
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}
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defer gl.DeleteShader(vertexShader)
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fragmentShader, fragmentErr := CompileNewShader(gl, FRAGMENT_SHADER, fragmentShaderSource)
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if fragmentErr != nil {
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return 0, NamedShaderError{Name: "fragmentShader", Nested: fragmentErr}
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}
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defer gl.DeleteShader(fragmentShader)
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return LinkNewProgram(gl, vertexShader, fragmentShader)
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}
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