Method linkAndValidateNow

src/main/java/field/graphics/Shader.java:342–415

(int name)

	}

	protected String lastAccumulatedError;

	@HiddenInAutocomplete
	boolean linkAndValidateNow(int name) {
		lastAccumulatedError = null;

		TreeMap<Integer, Set<Consumer<Integer>>> c = collectChildrenPasses();
		if (c != null)
			c.values().stream().flatMap(x -> x.stream()).forEach(x -> {
				if (x instanceof TransformFeedback) {
					glTransformFeedbackVaryings(name, ((TransformFeedback) x).target, GL_INTERLEAVED_ATTRIBS);
				}

				// warning if there are more than one of these?
			});

		internalScene.values().stream().flatMap(x -> x.stream()).forEach(x -> {
			if (x instanceof TransformFeedback) {
				glTransformFeedbackVaryings(name, ((TransformFeedback) x).target, GL_INTERLEAVED_ATTRIBS);
			}

			// warning if there are more than one of these?
		});


		GraphicsContext.checkError(() -> "before link");
		glLinkProgram(name);
		GraphicsContext.checkError(() -> "after link");
		int linkStatus = glGetProgrami(name, GL20.GL_LINK_STATUS);
		if (linkStatus == 0) {
			String ret = GL20.glGetProgramInfoLog(name, 10000);
			System.err.println(" program failed to link");
			System.err.println(" log is <" + ret + ">");
			if (onError != null) {
				onError.beginError();

				String[] pieces = ret.split("\n");
				String filtered = "";
				for (String p : pieces)
					// the warnings are uninteresting
					if (p.toLowerCase().trim().startsWith("warning")) {
					} else
						filtered += p + "\n";

				lastAccumulatedError = filtered.trim();
				onError.errorOnLine(1, filtered.trim());
				onError.endError();
			}
			return false;
		}


		GraphicsContext.checkError(() -> "before validate");
		glValidateProgram(name);
		GraphicsContext.checkError(() -> "after validate");
		int validateStatus = glGetProgrami(name, GL20.GL_VALIDATE_STATUS);
		if (validateStatus == 0) {
			String ret = GL20.glGetProgramInfoLog(name, 10000);