50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
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const Shader = {}
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Shader.load = async (vertexPath, fragmentPath) => {
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let vertexCode = await File.read(vertexPath)
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if(!vertexCode) {
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console.log("Invalid shader path:", vertexPath)
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return
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}
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let fragmentCode = await File.read(fragmentPath)
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if(!fragmentCode) {
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console.log("Invalid shader path:", fragmentPath)
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return
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}
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var vertexShader = gl.createShader(gl.VERTEX_SHADER)
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var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER)
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gl.shaderSource(vertexShader, vertexCode)
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gl.shaderSource(fragmentShader, fragmentCode)
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gl.compileShader(vertexShader)
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if (!gl.getShaderParameter(vertexShader, gl.COMPILE_STATUS)) {
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console.error('Failed to compile ' + vertexPath + '!', gl.getShaderInfoLog(vertexShader))
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return
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}
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gl.compileShader(fragmentShader)
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if (!gl.getShaderParameter(fragmentShader, gl.COMPILE_STATUS)) {
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console.error('Failed to compile ' + fragmentPath + '!', gl.getShaderInfoLog(fragmentShader))
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return
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}
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var program = gl.createProgram()
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gl.attachShader(program, vertexShader)
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gl.attachShader(program, fragmentShader)
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gl.linkProgram(program)
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if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
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console.error("Failed to link shader program!", gl.getProgramInfoLog(program));
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return
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}
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gl.validateProgram(program);
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if (!gl.getProgramParameter(program, gl.VALIDATE_STATUS)) {
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console.error("Failed to validate shader program!", gl.getProgramInfoLog(program));
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return
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}
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return program
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}
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