Function setWebGLUniformValue

src/webgl/utils.js:199–329

(shader, uniform, data, getTexture, gl)

}

export function setWebGLUniformValue(shader, uniform, data, getTexture, gl) {
  const location = uniform.location;
  shader.useProgram();

  switch (uniform.type) {
    case gl.BOOL:
      if (data === true) {
        gl.uniform1i(location, 1);
      } else {
        gl.uniform1i(location, 0);
      }
      break;
    case gl.INT:
      if (uniform.size > 1) {
        data.length && gl.uniform1iv(location, data);
      } else {
        gl.uniform1i(location, data);
      }
      break;
    case gl.FLOAT:
      if (uniform.size > 1) {
        data.length && gl.uniform1fv(location, data);
      } else {
        gl.uniform1f(location, data);
      }
      break;
    case gl.FLOAT_MAT3:
      gl.uniformMatrix3fv(location, false, data);
      break;
    case gl.FLOAT_MAT4:
      gl.uniformMatrix4fv(location, false, data);
      break;
    case gl.FLOAT_VEC2:
      if (uniform.size > 1) {
        data.length && gl.uniform2fv(location, data);
      } else {
        gl.uniform2f(location, data[0], data[1]);
      }
      break;
    case gl.FLOAT_VEC3:
      if (uniform.size > 1) {
        data.length && gl.uniform3fv(location, data);
      } else {
        gl.uniform3f(location, data[0], data[1], data[2]);
      }
      break;
    case gl.FLOAT_VEC4:
      if (uniform.size > 1) {
        data.length && gl.uniform4fv(location, data);
      } else {
        gl.uniform4f(location, data[0], data[1], data[2], data[3]);
      }
      break;
    case gl.INT_VEC2:
      if (uniform.size > 1) {
        data.length && gl.uniform2iv(location, data);
      } else {
        gl.uniform2i(location, data[0], data[1]);