ShaderVP.java

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/*
 * Created by LWJGL.
 * User: spasi
 * Date: 2004-03-30
 * Time: 9:55:38 pm
 */

package org.lwjgl.test.opengl.shaders;

import static org.lwjgl.opengl.ARBVertexProgram.*;
import static org.lwjgl.opengl.GL11.*;

final class ShaderVP extends Shader {

	final String file;
	final String source;

	final int ID;

	ShaderVP(final String shaderFile) {
		file = shaderFile;
		source = getShaderText(shaderFile);

		ID = glGenProgramsARB();

		glBindProgramARB(GL_VERTEX_PROGRAM_ARB, ID);
		glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, source);

		checkProgramError(file, source);
	}

	void render() {
		glEnable(GL_VERTEX_PROGRAM_ARB);
		glBindProgramARB(GL_VERTEX_PROGRAM_ARB, ID);

		glProgramLocalParameter4fARB(GL_VERTEX_PROGRAM_ARB, 0,
		                             ShadersTest.getSin(), ShadersTest.getSpecularity() * 8.0f, 0.0f, 0.0f);

		ShadersTest.renderObject();

		glDisable(GL_VERTEX_PROGRAM_ARB);
	}

	void cleanup() {
		glDeleteProgramsARB(ID);
	}

}