Example usage for org.lwjgl.opengl GL20 glUseProgram

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glUseProgram.

Prototype

public static void glUseProgram(@NativeType("GLuint") int program)

Source Link

Document

Installs a program object as part of current rendering state.

Usage

From source file:lessur.util.shader.ShaderManager.java

License:GNU General Public License

/**
 * Reverts to the fixed program/* www .j av a2s.com*/
 */
public void endUse() {
    if (has_opengl2) {
        GL20.glUseProgram(0);
    } else if (has_arb) {
        ARBShaderObjects.glUseProgramObjectARB(0);
    }
}

From source file:main.java.com.YeAJG.game.entity.Entity.java

License:Open Source License

@Override
public void Render(float interpolation) {

    GL20.glUseProgram(pId);

    // Bind the texture
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // Bind to the VAO that has all the information about the vertices
    GL30.glBindVertexArray(vaoId);//ww  w .java 2  s.c  o m
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    // Bind to the index VBO that has all the information about the order of the vertices
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);

    // Draw the vertices
    GL11.glDrawElements(GL11.GL_TRIANGLES, indicesCount, GL11.GL_UNSIGNED_BYTE, 0);

    // Put everything back to default (deselect)
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL30.glBindVertexArray(0);

    GL20.glUseProgram(0);

    Game.exitOnGLError("renderCycle");
}

From source file:main.java.com.YeAJG.game.entity.Entity.java

License:Open Source License

@Override
public void Tick() {
    // Update Positions
    Vector3f.add(this.modelAngle, this.modelSpin, this.modelAngle);
    Vector3f.add(this.modelVelcity, this.modelAccel, this.modelVelcity);
    Vector3f.add(this.modelPos, this.modelVelcity, this.modelPos);

    // Reset view and model matrices
    modelMatrix = new Matrix4f();

    // Scale, translate and rotate model
    Matrix4f.scale(modelScale, modelMatrix, modelMatrix);
    Matrix4f.translate(modelPos, modelMatrix, modelMatrix);
    Matrix4f.rotate(Conversions.degreesToRadians(modelAngle.z), new Vector3f(0, 0, 1), modelMatrix,
            modelMatrix);//ww w .  j ava  2  s. c o  m
    Matrix4f.rotate(Conversions.degreesToRadians(modelAngle.y), new Vector3f(0, 1, 0), modelMatrix,
            modelMatrix);
    Matrix4f.rotate(Conversions.degreesToRadians(modelAngle.x), new Vector3f(1, 0, 0), modelMatrix,
            modelMatrix);

    // Upload matrices to the uniform variables
    GL20.glUseProgram(pId);

    Game.projectionMatrix.store(Game.matrix44Buffer);
    Game.matrix44Buffer.flip();
    GL20.glUniformMatrix4(projectionMatrixLocation, false, Game.matrix44Buffer);
    Game.viewMatrix.store(Game.matrix44Buffer);
    Game.matrix44Buffer.flip();
    GL20.glUniformMatrix4(viewMatrixLocation, false, Game.matrix44Buffer);
    modelMatrix.store(Game.matrix44Buffer);
    Game.matrix44Buffer.flip();
    GL20.glUniformMatrix4(modelMatrixLocation, false, Game.matrix44Buffer);

    GL20.glUseProgram(0);
}

From source file:main.java.com.YeAJG.game.entity.Entity.java

License:Open Source License

public void destroy() {
    // Delete the Program
    GL20.glUseProgram(0);
    GL20.glDeleteProgram(pId);/*from   w w  w.  j av  a2s  .  c  o m*/

    // Select the VAO
    GL30.glBindVertexArray(vaoId);

    // Disable the VBO index from the VAO attributes list
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);

    // Delete the vertex VBO
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL15.glDeleteBuffers(vboId);

    // Delete the index VBO
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL15.glDeleteBuffers(vboiId);

    // Delete the VAO
    GL30.glBindVertexArray(0);
    GL30.glDeleteVertexArrays(vaoId);
}

From source file:me.sunchiro.game.engine.gl.Graphic.java

License:Open Source License

private synchronized void render() {
    GL11.glClearColor(bgColor.x, bgColor.y, bgColor.z, 0);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    GL20.glUseProgram(shader.getPID());
    ///* w w  w  .ja  v a 2 s .  co m*/

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL30.glBindVertexArray(vaoId);

    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texManager.getTexture(tid));
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
    long offset = 0;
    int shift = 0;
    GL11.glAlphaFunc(GL11.GL_GREATER, 0.4f);
    GL11.glDisable(GL11.GL_CULL_FACE);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    for (Drawable object : objects) {
        Matrix4f finalMVP = new Matrix4f(mvpMat);
        Matrix4f modelMat = new Matrix4f();
        Matrix4f scaler = new Matrix4f();
        scaler.scale(object.scale * allScale);
        modelMat.translate(object.translation);
        modelMat.rotateXYZ(object.rotation.x, object.rotation.y, object.rotation.z);
        finalMVP.mul(modelMat);
        finalMVP.mul(scaler);
        finalMVP.get(0, matBuff);
        if (object.isChar) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, texManager.getTexture(tid_charmap));
        }
        GL20.glUniformMatrix4fv(shader.getMVPLocation(), false, matBuff);
        GL20.glUniform1i(shader.getInverseLocation(), object.inverseAlpha ? 1 : 0);
        if (object.isVisible())
            GL32.glDrawElementsBaseVertex(GL11.GL_TRIANGLES, object.getIndices().length, GL11.GL_UNSIGNED_BYTE,
                    offset, shift);

        offset += object.getIndices().length;
        shift += object.getVertex().length;
        if (object.isChar) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, texManager.getTexture(tid));
        }
    }
    render2d(offset, shift);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL30.glBindVertexArray(0);
    //
    GL20.glUseProgram(0);
    glfwSwapBuffers(window);
    glfwPollEvents();

}

From source file:me.thehutch.fusion.engine.render.opengl.gl20.OpenGL20Program.java

License:Open Source License

@Override
public void bind() {
    ensureCreated("Program must be created to bind.");
    GL20.glUseProgram(id);
}

From source file:me.thehutch.fusion.engine.render.opengl.gl20.OpenGL20Program.java

License:Open Source License

@Override
public void unbind() {
    GL20.glUseProgram(0);
}

From source file:net.neilcsmith.praxis.video.opengl.internal.ShaderProgram.java

License:Apache License

/** Makes OpenGL ES 2.0 use this vertex and fragment shader pair. When you are done with this shader you have to call
 * {@link ShaderProgram#end()}. */
public void begin() {
    checkContext();/*w  w w .j  a va  2s  . co  m*/
    GL20.glUseProgram(program);
}

From source file:net.neilcsmith.praxis.video.opengl.internal.ShaderProgram.java

License:Apache License

/** Disables this shader. Must be called when one is done with the shader. Don't mix it with dispose, that will release the
 * shader resources. *//*from w  ww.ja  v a 2  s . co m*/
public void end() {
    GL20.glUseProgram(0);
}

From source file:net.neilcsmith.praxis.video.opengl.internal.ShaderProgram.java

License:Apache License

/** Disposes all resources associated with this shader. Must be called when the shader is no longer used. */
public void dispose() {
    GL20.glUseProgram(0);
    GL20.glDeleteShader(vertexShaderHandle);
    GL20.glDeleteShader(fragmentShaderHandle);
    GL20.glDeleteProgram(program);//from   w w w. j  a va  2s  .co  m
    //      if (shaders.get(Gdx.app) != null) shaders.get(Gdx.app).remove(this);
}