Examples of VertexAttribute

com.badlogic.gdx.graphics.VertexAttribute
A single vertex attribute defined by its {@link Usage}, its number of components and its shader alias. The Usage is needed for the fixed function pipeline of OpenGL ES 1.x. Generic attributes are not supported in the fixed function pipeline. The number of components defines how many components the attribute has. The alias defines to which shader attribute this attribute should bind. The alias is used by a {@link Mesh} when drawing with a {@link ShaderProgram}. The alias can be changed at any time. @author mzechner

Examples of com.badlogic.gdx.graphics.VertexAttribute

    if (!skinned)
      return true;
    int w = 0;
    final int n = renderable.mesh.getVertexAttributes().size();
    for (int i = 0; i < n; i++) {
      final VertexAttribute attr = renderable.mesh.getVertexAttributes().get(i);
      if (attr.usage == Usage.BoneWeight)
        w |= (1 << attr.unit);
    }
    return w == weights;
  }

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Examples of com.badlogic.gdx.graphics.VertexAttribute

    // 32767 is max index, so 32767 / 3 - (32767 / 3 % 3) = 10920.
    if (size > 10920) throw new IllegalArgumentException("Can't have more than 10920 triangles per batch: " + size);


    this.buffers = new Mesh[buffers];
    for (int i = 0; i < buffers; i++) {
      this.buffers[i] = new Mesh(VertexDataType.VertexArray, false, size, size * 3, new VertexAttribute(Usage.Position, 2,
        ShaderProgram.POSITION_ATTRIBUTE), new VertexAttribute(Usage.ColorPacked, 4, ShaderProgram.COLOR_ATTRIBUTE),
        new VertexAttribute(Usage.TextureCoordinates, 2, ShaderProgram.TEXCOORD_ATTRIBUTE + "0"));
    }
    mesh = this.buffers[0];


    vertices = new float[size * VERTEX_SIZE];
    triangles = new short[size * 3];

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Examples of com.badlogic.gdx.graphics.VertexAttribute

   * @param size The maximum number of images this cache can hold. The memory required to hold the images is allocated up front.
   * @param useIndices If true, indexed geometry will be used. */
  public SpriteCache (int size, ShaderProgram shader, boolean useIndices) {
    this.shader = shader;


    mesh = new Mesh(true, size * (useIndices ? 4 : 6), useIndices ? size * 6 : 0, new VertexAttribute(Usage.Position, 2,
      ShaderProgram.POSITION_ATTRIBUTE), new VertexAttribute(Usage.ColorPacked, 4, ShaderProgram.COLOR_ATTRIBUTE),
      new VertexAttribute(Usage.TextureCoordinates, 2, ShaderProgram.TEXCOORD_ATTRIBUTE + "0"));
    mesh.setAutoBind(false);


    if (useIndices) {
      int length = size * 6;
      short[] indices = new short[length];

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Examples of com.badlogic.gdx.graphics.VertexAttribute


    int textureUnit = 0;
    int numAttributes = attributes.size();


    for (int i = 0; i < numAttributes; i++) {
      VertexAttribute attribute = attributes.get(i);


      switch (attribute.usage) {
      case Usage.Position:
        gl.glEnableClientState(GL11.GL_VERTEX_ARRAY);
        gl.glVertexPointer(attribute.numComponents, GL10.GL_FLOAT, attributes.vertexSize, attribute.offset);

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Examples of com.badlogic.gdx.graphics.VertexAttribute

    }


    final int numAttributes = attributes.size();
    if (locations == null) {
      for (int i = 0; i < numAttributes; i++) {
        final VertexAttribute attribute = attributes.get(i);
        final int location = shader.getAttributeLocation(attribute.alias);
        if (location < 0)
          continue;
        shader.enableVertexAttribute(location);
  
        if (attribute.usage == Usage.ColorPacked)
          shader.setVertexAttribute(location, attribute.numComponents, GL20.GL_UNSIGNED_BYTE, true, attributes.vertexSize,
            attribute.offset);
        else
          shader.setVertexAttribute(location, attribute.numComponents, GL20.GL_FLOAT, false, attributes.vertexSize,
            attribute.offset);
      }
    } else {
      for (int i = 0; i < numAttributes; i++) {
        final VertexAttribute attribute = attributes.get(i);
        final int location = locations[i];
        if (location < 0)
          continue;
        shader.enableVertexAttribute(location);

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Examples of com.badlogic.gdx.graphics.VertexAttribute

    int textureUnit = 0;
    int numAttributes = attributes.size();


    for (int i = 0; i < numAttributes; i++) {


      VertexAttribute attribute = attributes.get(i);
      switch (attribute.usage) {
      case Usage.Position:
        break; // no-op, we also need a position bound in gles
      case Usage.Color:
      case Usage.ColorPacked:

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Examples of com.badlogic.gdx.graphics.VertexAttribute


    int textureUnit = 0;
    int numAttributes = attributes.size();


    for (int i = 0; i < numAttributes; i++) {
      VertexAttribute attribute = attributes.get(i);


      switch (attribute.usage) {
      case Usage.Position:
        gl.glEnableClientState(GL11.GL_VERTEX_ARRAY);
        gl.glVertexPointer(attribute.numComponents, GL10.GL_FLOAT, attributes.vertexSize, attribute.offset);

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Examples of com.badlogic.gdx.graphics.VertexAttribute

    }


    final int numAttributes = attributes.size();
    if (locations == null) {
      for (int i = 0; i < numAttributes; i++) {
        final VertexAttribute attribute = attributes.get(i);
        final int location = shader.getAttributeLocation(attribute.alias);
        if (location < 0)
          continue;
        shader.enableVertexAttribute(location);
  
        if (attribute.usage == Usage.ColorPacked)
          shader.setVertexAttribute(location, attribute.numComponents, GL20.GL_UNSIGNED_BYTE, true, attributes.vertexSize,
            attribute.offset);
        else
          shader.setVertexAttribute(location, attribute.numComponents, GL20.GL_FLOAT, false, attributes.vertexSize,
            attribute.offset);
      }
    } else {
      for (int i = 0; i < numAttributes; i++) {
        final VertexAttribute attribute = attributes.get(i);
        final int location = locations[i];
        if (location < 0)
          continue;
        shader.enableVertexAttribute(location);

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Examples of com.badlogic.gdx.graphics.VertexAttribute

    int textureUnit = 0;
    int numAttributes = attributes.size();


    for (int i = 0; i < numAttributes; i++) {


      VertexAttribute attribute = attributes.get(i);
      switch (attribute.usage) {
      case Usage.Position:
        break; // no-op, we also need a position bound in gles
      case Usage.Color:
      case Usage.ColorPacked:

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Examples of com.badlogic.gdx.graphics.VertexAttribute

    int numAttributes = attributes.size();


    byteBuffer.limit(buffer.limit() * 4);


    for (int i = 0; i < numAttributes; i++) {
      VertexAttribute attribute = attributes.get(i);


      switch (attribute.usage) {
      case Usage.Position:
        byteBuffer.position(attribute.offset);
        gl.glEnableClientState(GL11.GL_VERTEX_ARRAY);

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