Method _useProgram

src/tools/texture-lab/renderer.js:216–231

(program, flipY = 1.0)

  }

  _useProgram(program, flipY = 1.0) {
    const gl = this.gl;
    gl.useProgram(program);

    gl.bindBuffer(gl.ARRAY_BUFFER, this.quadBuffer);
    gl.enableVertexAttribArray(program.attributes.position);
    gl.vertexAttribPointer(program.attributes.position, 2, gl.FLOAT, false, 0, 0);

    gl.bindBuffer(gl.ARRAY_BUFFER, this.texCoordBuffer);
    gl.enableVertexAttribArray(program.attributes.texCoord);
    gl.vertexAttribPointer(program.attributes.texCoord, 2, gl.FLOAT, false, 0, 0);

    if (program.uniforms.u_flipY !== undefined) {
      gl.uniform1f(program.uniforms.u_flipY, flipY);
    }
  }

  _blendModeToInt(mode) {
    switch (mode) {