Examples with GL20 com.badlogic.gdx.graphics.GL20 used on opensource projects

Example 31 with GL20

use of com.badlogic.gdx.graphics.GL20 in project libgdx by libgdx.

the class VertexBufferObjectSubData method dispose.

/** Disposes of all resources this VertexBufferObject uses. */
@Override
public void dispose() {
    GL20 gl = Gdx.gl20;
    gl.glBindBuffer(GL20.GL_ARRAY_BUFFER, 0);
    gl.glDeleteBuffer(bufferHandle);
    bufferHandle = 0;
}

Example 32 with GL20

use of com.badlogic.gdx.graphics.GL20 in project libgdx by libgdx.

the class ShaderProgram method setUniformMatrix.

public void setUniformMatrix(int location, Matrix3 matrix, boolean transpose) {
    GL20 gl = Gdx.gl20;
    checkManaged();
    gl.glUniformMatrix3fv(location, 1, transpose, matrix.val, 0);
}

Example 33 with GL20

use of com.badlogic.gdx.graphics.GL20 in project libgdx by libgdx.

the class ShaderProgram method createProgram.

protected int createProgram() {
    GL20 gl = Gdx.gl20;
    int program = gl.glCreateProgram();
    return program != 0 ? program : -1;
}

Example 34 with GL20

use of com.badlogic.gdx.graphics.GL20 in project libgdx by libgdx.

the class ShaderProgram method loadShader.

private int loadShader(int type, String source) {
    GL20 gl = Gdx.gl20;
    IntBuffer intbuf = BufferUtils.newIntBuffer(1);
    int shader = gl.glCreateShader(type);
    if (shader == 0)
        return -1;
    gl.glShaderSource(shader, source);
    gl.glCompileShader(shader);
    gl.glGetShaderiv(shader, GL20.GL_COMPILE_STATUS, intbuf);
    int compiled = intbuf.get(0);
    if (compiled == 0) {
        // gl.glGetShaderiv(shader, GL20.GL_INFO_LOG_LENGTH, intbuf);
        // int infoLogLength = intbuf.get(0);
        // if (infoLogLength > 1) {
        String infoLog = gl.glGetShaderInfoLog(shader);
        log += type == GL20.GL_VERTEX_SHADER ? "Vertex shader\n" : "Fragment shader:\n";
        log += infoLog;
        // }
        return -1;
    }
    return shader;
}

Example 35 with GL20

use of com.badlogic.gdx.graphics.GL20 in project libgdx by libgdx.

the class ShaderProgram method setUniformMatrix4fv.

/** Sets an array of uniform matrices with the given name. The {@link ShaderProgram} must be bound for this to work.
	 * 
	 * @param name the name of the uniform
	 * @param buffer buffer containing the matrix data
	 * @param transpose whether the uniform matrix should be transposed */
public void setUniformMatrix4fv(String name, FloatBuffer buffer, int count, boolean transpose) {
    GL20 gl = Gdx.gl20;
    checkManaged();
    buffer.position(0);
    int location = fetchUniformLocation(name);
    gl.glUniformMatrix4fv(location, count, transpose, buffer);
}