Add files

src/graphics/graphics-library/compiling/create-program.ts

@@ -0,0 +1,48 @@
+import { waitWhileFalse } from '../../../helper/wait-while-false';
+import { tryEnableExtension } from '../helper/enable-extension';
+import { checkProgram } from './check-program';
+import { createShader } from './create-shader';
+
+export const createProgram = async (
+  gl: WebGL2RenderingContext,
+  vertexShaderSource: string,
+  fragmentShaderSource: string,
+  substitutions: { [name: string]: string }
+): Promise<WebGLProgram> => {
+  const program = gl.createProgram();
+
+  if (!program) {
+    throw new Error('Could not create program');
+  }
+
+  const extension = tryEnableExtension(gl, 'KHR_parallel_shader_compile');
+
+  const vertexShader = createShader(
+    gl,
+    gl.VERTEX_SHADER,
+    vertexShaderSource,
+    substitutions
+  );
+  gl.attachShader(program, vertexShader);
+
+  const fragmentShader = createShader(
+    gl,
+    gl.FRAGMENT_SHADER,
+    fragmentShaderSource,
+    substitutions
+  );
+  gl.attachShader(program, fragmentShader);
+
+  gl.linkProgram(program);
+
+  if (extension) {
+    const checkCompileStatus = () =>
+      gl.getProgramParameter(program, extension.COMPLETION_STATUS_KHR);
+
+    await waitWhileFalse(checkCompileStatus);
+  }
+
+  checkProgram(gl, program);
+
+  return program;
+};