53 lines
1.1 KiB
Java
53 lines
1.1 KiB
Java
package xyz.valnet.engine.shaders;
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import static org.lwjgl.opengl.GL20.*;
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import java.util.Stack;
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import xyz.valnet.engine.graphics.Color;
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public class SimpleShader extends Shader {
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private Stack<Color> colorStack = new Stack<Color>();
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public final static int COLOR = 1;
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public final static int TEX_COORD = 2;
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public SimpleShader(String vertPath, String fragPath) {
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super(vertPath, fragPath);
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pushColor(Color.white);
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}
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public void pushColor(Color color) {
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colorStack.push(color);
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setUniform4f("uColor", color);
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}
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public void swapColor(Color color) {
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popColor();
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pushColor(color);
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}
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public void clearColorStack() {
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colorStack.clear();
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}
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public void popColor() {
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colorStack.pop();
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Color newColor = colorStack.peek();
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if(newColor == null) {
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setUniform4f("uColor", Color.white);
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return;
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}
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setUniform4f("uColor", newColor);
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}
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@Override
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protected void bindAttributes(int program) {
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glBindAttribLocation(program, COLOR, "Color");
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glBindAttribLocation(program, TEX_COORD, "TexCoord");
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}
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}
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