Java Code Examples for com.jogamp.opengl.GL3#glViewport()

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    clearColor.put(new float[]{1.0f, 1.0f, 1.0f, 1.0f}).rewind();
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);

    for (int y = 0; y < 4; ++y) {
        for (int x = 0; x < 4; ++x) {

            gl3.glViewport(x * windowSize.x / 4, y * windowSize.y / 4, windowSize.x / 4, windowSize.y / 4);
            gl3.glUniform1i(uniformLayer, x + y * 4);
            gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
        }
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(viewMat4()).mul(model);

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearColor(1.0f, 0.5f, 0.0f, 1.0f);
    gl3.glClear(GL_COLOR_BUFFER_BIT);

    gl3.glUseProgram(programName);
    gl3.glUniform1i(uniformDiffuse, 0);
    gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_2D, texture2dName.get(0));

    gl3.glBindVertexArray(vertexArrayName.get(0));

    gl3.glDrawArrays(GL_TRIANGLES, 0, vertexCount);

    return true;
}
 

private void renderFB(GL3 gl3, int textureName) {

        Mat4 perspective = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);
        Mat4 mvp = perspective.mul(viewMat4()).mul(model);

        gl3.glUseProgram(programName[Program.SPLASH]);
        gl3.glUniform1i(uniformDiffuse[Program.SPLASH], 0);
        gl3.glUniformMatrix4fv(uniformMvp[Program.SPLASH], 1, false, mvp.toFa_(), 0);

        gl3.glViewport(0, 0, windowSize.x, windowSize.y);
        gl3.glBindFramebuffer(GL_FRAMEBUFFER, 0);

        gl3.glActiveTexture(GL_TEXTURE0);
        gl3.glBindTexture(GL_TEXTURE_2D, textureName);
        gl3.glBindVertexArray(vertexArrayName.get(0));

        gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);

        checkError(gl3, "renderFB");
    }
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.ortho_(-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, -1.0f);
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(new Mat4(1.0f)).mul(model);

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0).put(1, 0).put(2, 0).put(3, 0));

    // Bind the program for use
    gl3.glUseProgram(programName);
    gl3.glUniform1i(uniformDiffuse, 0);
    gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_RECTANGLE, textureRectName.get(0));

    gl3.glBindVertexArray(vertexArrayName.get(0));
    gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);

    return true;
}
 

/**
 * Set up a default view for the given GLAutoDrawable
 * 
 * @param drawable
 *            The GLAutoDrawable to set the view for
 */
private void setupView(final GLAutoDrawable drawable) {
	final GL3 gl = (GL3) drawable.getGL();

	gl.glViewport(0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight());

	final float aspect = (float) drawable.getSurfaceWidth() / drawable.getSurfaceHeight();
	projectionMatrix = perspective(50, aspect, 0.1f, 400.0f);
}
 

@Override
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
    final GL3 gl = drawable.getGL().getGL3();

    //  Windows-DPI-Scaling
    //
    // If JOGL is ever fixed or another solution is found, either change
    // needsManualDPIScaling to return false (so there is effectively no
    // DPI scaling here) or remove the scaled height and width below.         
    float dpiScaleX = 1.0f;
    float dpiScaleY = 1.0f;
    if (GLTools.needsManualDPIScaling()) {
        dpiScaleX = (float) ((Graphics2D) (parent.canvas).getGraphics()).getTransform().getScaleX();
        dpiScaleY = (float) ((Graphics2D) (parent.canvas).getGraphics()).getTransform().getScaleY();
    }

    // These need to be final as they are used in the lambda function below
    final int dpiScaledWidth = (int) (width * dpiScaleX);
    final int dpiScaledHeight = (int) (height * dpiScaleY);

    gl.glViewport(0, 0, dpiScaledWidth, dpiScaledHeight);

    // Create the projection matrix, and load it on the projection matrix stack.
    viewFrustum.setPerspective(FIELD_OF_VIEW, (float) dpiScaledWidth / (float) dpiScaledHeight, PERSPECTIVE_NEAR, PERSPECTIVE_FAR);

    projectionMatrix.set(viewFrustum.getProjectionMatrix());

    // A GLCanvas sets its minimum size to the preferred size when its redrawn. This means it will get bigger,
    // but never get smaller. Explicitly set the minimum size to get around this.
    ((Component) drawable).setMinimumSize(new Dimension(0, 0));

    renderables.forEach(renderable -> {
        renderable.reshape(x, y, dpiScaledWidth, dpiScaledHeight);
    });

    viewport[0] = x;
    viewport[1] = y;
    viewport[2] = dpiScaledWidth;
    viewport[3] = dpiScaledHeight;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 1000.0f);
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(viewMat4()).mul(model);

    gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, .5f).put(2, 0).put(3, 1));

    gl3.glUseProgram(programName);
    gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);
    gl3.glUniform1i(uniformDiffuse, 0);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_2D, texture2dName.get(0));

    gl3.glBindVertexArray(vertexArrayName.get(0));

    for (int index = 0; index < Viewport.MAX; ++index) {
        gl3.glViewport(viewport[index].x, viewport[index].y, viewport[index].z, viewport[index].w);

        gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, swizzleR[index]);
        gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, swizzleG[index]);
        gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, swizzleB[index]);
        gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, swizzleA[index]);

        gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);

    gl3.glUseProgram(programName);
    gl3.glUniform1i(uniformDiffuse, 0);
    gl3.glUniformBlockBinding(programName, uniformTransform, Semantic.Uniform.TRANSFORM0);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
    gl3.glBindVertexArray(vertexArrayName.get(0));
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);

    gl3.glUseProgram(programName);
    gl3.glUniform1i(uniformDiffuse, 0);
    gl3.glUniformBlockBinding(programName, uniformTransform, Semantic.Uniform.TRANSFORM0);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
    gl3.glBindVertexArray(vertexArrayName.get(0));
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);

    gl3.glUseProgram(programName);

    gl3.glBindVertexArray(vertexArrayName.get(0));
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.CONSTANT, bufferName.get(Buffer.CONSTANT));

    gl3.glBeginQuery(GL_PRIMITIVES_GENERATED, queryName.get(0));
    {
        gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
    }
    gl3.glEndQuery(GL_PRIMITIVES_GENERATED);

    long[] primitivesGenerated = {0};
    gl3.glGetQueryObjectui64v(queryName.get(0), GL_QUERY_RESULT, primitivesGenerated, 0);

    return primitivesGenerated[0] > 0;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
    Mat4 view = viewMat4();
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(view).mul(model);
    Mat4 mv = view.mul(model);

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);
    gl3.glClearBufferfv(GL_DEPTH, 0, clearDepth);

    gl3.glDisable(GL_SCISSOR_TEST);
    Vec3 cameraPosition = cameraPosition().negate();
    //glm::vec3 CameraPosition(glm::vec4(glm::normalize(glm::vec3(1.0)), 1.0) * this->view());

    gl3.glUseProgram(programName);
    gl3.glUniform3fv(uniformCameraPosition, 1, cameraPosition.toFa_(), 0);
    gl3.glUniformMatrix4fv(uniformMv, 1, false, mv.toFa_(), 0);
    gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);

    gl3.glBindVertexArray(vertexArrayName.get(0));

    gl3.glDrawArraysInstanced(GL_POINTS, 0, vertexCount, 1);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);
        Mat4 mvp = projection.mul(viewMat4()).mul(model);

        pointer.asFloatBuffer().put(mvp.toFa_());

        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);
    }

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);

    gl3.glUseProgram(programName);
    gl3.glUniformBlockBinding(programName, uniformTransform, Semantic.Uniform.TRANSFORM0);

    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    diffuse.put(new float[]{1.0f, 0.5f, 0.0f, 1.0f,/**/ 0.7f, 0.7f, 0.7f, 1.0f}).rewind();

    diffuse.position(0);
    gl3.glUniform4fv(uniformDiffuse0, 1, diffuse);
    diffuse.position(4);
    gl3.glUniform4fv(uniformDiffuse1, 1, diffuse);
    diffuse.rewind();
    //glUniform4fv(UniformDiffuse + 0, 1, &Diffuse[0][0]);
    //glUniform4fv(UniformDiffuse + 1, 1, &Diffuse[1][0]);

    gl3.glBindVertexArray(vertexArrayName.get(0));
    gl3.glDrawElementsInstanced(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(viewMat4()).mul(model);
    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        pointer.asFloatBuffer().put(mvp.toFa_());

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);
    }

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);

    gl3.glClearBufferfv(GL_DEPTH, 0, clearDepth);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor);

    gl3.glUseProgram(programName);

    // Attach the buffer to UBO binding point semantic::uniform::TRANSFORM0
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl3.glBindVertexArray(vertexArrayName.get(0));
    /**
     * public void glMultiDrawElementsBaseVertex(int mode, IntBuffer count,
     * int type, PointerBuffer indices, int drawcount, IntBuffer basevertex)
     */
    gl3.glMultiDrawElementsBaseVertex(
            GL_TRIANGLES,
            count,
            GL_UNSIGNED_INT,
            indices,
            2,
            baseVertex);
    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(GL_UNIFORM_BUFFER,
                0, Mat4.SIZE, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        projection.mul(viewMat4()).mul(model).toDbb(pointer);

        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    // Set the display viewport
    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    // Clear color buffer with black
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0).put(1, 0).put(2, 0).put(3, 1));

    // Bind program
    gl3.glUseProgram(programName);
    gl3.glBindVertexArray(vertexArrayName.get(0));

    gl3.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL), 0, Vec4.SIZE);

    // The first orange quad is not written in the framebuffer.
    gl3.glColorMaski(0, false, false, false, false);

    // Beginning of the samples count query
    gl3.glBeginQuery(GL_ANY_SAMPLES_PASSED, queryName.get(0));
    {
        if (toggle) {
            // To test the condional rendering, comment this line, the next draw call won't happen.
            gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
        }
    }
    // End of the samples count query
    gl3.glEndQuery(GL_ANY_SAMPLES_PASSED);

    // The second blue quad is written in the framebuffer only if a sample pass the occlusion query.
    gl3.glColorMaski(0, true, true, true, true);

    gl3.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL),
            uniformMaterialOffset, Vec4.SIZE);

    // Draw only if one sample went through the tests, 
    // we don't need to get the query result which prevent the rendering pipeline to stall.
    gl3.glBeginConditionalRender(queryName.get(0), GL_QUERY_WAIT);
    {
        // Clear color buffer with white
        gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 1).put(2, 1).put(3, 1));

        gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    }
    gl3.glEndConditionalRender();

    toggle = !toggle;

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;
    {
        // Compute the MVP (Model View Projection matrix)
        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, .1f, 100f);
        Mat4 model = new Mat4(1.0f);
        Mat4 mvp = projection.mul(viewMat4()).mul(model);

        float[] diffuse = new float[]{1f, .5f, 0f, 1f};

        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.UNIFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(GL_UNIFORM_BUFFER, 0,
                uniformBlockSizeTransform.get(0) + Vec4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        pointer.asFloatBuffer().put(mvp.toFa_());
        pointer.position(uniformBlockSizeTransform.get(0));
        pointer.asFloatBuffer().put(diffuse);
        pointer.rewind();

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, 0);
    }

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, new float[]{0.0f, 0.0f, 0.0f, 1.0f}, 0);

    gl3.glUseProgram(programName);
    gl3.glUniformBlockBinding(programName, uniformTransform, Semantic.Uniform.TRANSFORM0);
    gl3.glUniformBlockBinding(programName, uniformMaterial, Semantic.Uniform.MATERIAL);

    // Attach the buffer to UBO binding point semantic::uniform::TRANSFORM0
    gl3.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.UNIFORM), 0,
            uniformBlockSizeTransform.get(0));
    // Attach the buffer to UBO binding point semantic::uniform::MATERIAL 
    gl3.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.UNIFORM),
            uniformBlockSizeTransform.get(0), uniformBlockSizeMaterial.get(0));

    // Bind vertex array & draw 
    gl3.glBindVertexArray(vertexArrayName.get(0));
    gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(viewMat4()).mul(model);

    gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 1).put(2, 1).put(3, 1));

    gl3.glUseProgram(programName);
    gl3.glUniform4f(uniformDiffuse, 1.0f, 0.5f, 0.0f, 1.0f);
    gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);

    for (int index = 0; index < Buffer.MAX; ++index) {

        gl3.glViewport(viewport[index].x, viewport[index].y, viewport[index].z, viewport[index].w);

        gl3.glBindVertexArray(vertexArrayName.get(index));
        gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        //glm::mat4 Projection = glm::perspectiveFov(glm::pi<float>() * 0.25f, 640.f, 480.f, 0.1f, 100.0f);
        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 8.0f);
        Mat4 model = new Mat4(1.0f).scale(new Vec3(5.0f));

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl3.glEnable(GL_DEPTH_TEST);
    gl3.glDepthFunc(GL_LESS);

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);

    gl3.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(Framebuffer.DEPTH_MULTISAMPLE));
    gl3.glClearBufferfv(GL_DEPTH, 0, clearDepth);

    // Bind rendering objects
    gl3.glUseProgram(programName[Program.TEXTURE]);
    gl3.glUniformBlockBinding(programName[Program.TEXTURE],
            uniformTransform, Semantic.Uniform.TRANSFORM0);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl3.glBindVertexArray(vertexArrayName.get(Program.TEXTURE));
    gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0);

    // Pass 2
    gl3.glDisable(GL_DEPTH_TEST);

    gl3.glBindFramebuffer(GL_FRAMEBUFFER, 0);
    gl3.glUseProgram(programName[Program.SPLASH]);

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindVertexArray(vertexArrayName.get(Program.SPLASH));
    gl3.glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, textureName.get(Texture.MULTISAMPLE));

    gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, 3, 1);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    {
        gl3.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl3.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(model).toFa_());

        // Make sure the uniform buffer is uploaded
        gl3.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    {
        gl3.glEnable(GL_DEPTH_TEST);
        gl3.glDepthFunc(GL_LESS);

        gl3.glViewport(0, 0, windowSize.x * framebufferScale, windowSize.y * framebufferScale);

        gl3.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
        //glEnable(GL_FRAMEBUFFER_SRGB);
        float[] depth = {1.0f};
        gl3.glClearBufferfv(GL_DEPTH, 0, depth, 0);
        gl3.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 0.5f, 0.0f, 1.0f}, 0);

        gl3.glUseProgram(programName[Program.TEXTURE]);

        gl3.glActiveTexture(GL_TEXTURE0);
        gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
        gl3.glBindVertexArray(vertexArrayName.get(Program.TEXTURE));
        gl3.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

        gl3.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0);
    }

    {
        gl3.glDisable(GL_DEPTH_TEST);

        gl3.glViewport(0, 0, windowSize.x, windowSize.y);

        gl3.glBindFramebuffer(GL_FRAMEBUFFER, 0);
        //glDisable(GL_FRAMEBUFFER_SRGB);

        gl3.glUseProgram(programName[Program.SPLASH]);

        gl3.glActiveTexture(GL_TEXTURE0);
        gl3.glBindVertexArray(vertexArrayName.get(Program.SPLASH));
        gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COLORBUFFER));

        gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, 3, 1);
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, 4.0f / 3.0f, 0.1f, 1000.0f);
    Mat4 model = new Mat4(1.0f);
    Mat4 mvp = projection.mul(viewMat4()).mul(model);

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glScissor(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, .5f).put(2, 0).put(3, 1));

    // Bind the program for use
    gl3.glUseProgram(programName);
    gl3.glUniformMatrix4fv(uniformMvp, 1, false, mvp.toFa_(), 0);

    gl3.glBindSampler(Viewport.V00, samplerName.get(Viewport.V00));
    gl3.glBindSampler(Viewport.V10, samplerName.get(Viewport.V10));
    gl3.glBindSampler(Viewport.V11, samplerName.get(Viewport.V11));
    gl3.glBindSampler(Viewport.V01, samplerName.get(Viewport.V01));

    gl3.glActiveTexture(GL_TEXTURE0);
    gl3.glBindTexture(GL_TEXTURE_2D, texture2dName.get(0));
    gl3.glActiveTexture(GL_TEXTURE1);
    gl3.glBindTexture(GL_TEXTURE_2D, texture2dName.get(0));
    gl3.glActiveTexture(GL_TEXTURE2);
    gl3.glBindTexture(GL_TEXTURE_2D, texture2dName.get(0));
    gl3.glActiveTexture(GL_TEXTURE3);
    gl3.glBindTexture(GL_TEXTURE_2D, texture2dName.get(0));

    gl3.glBindVertexArray(vertexArrayName.get(0));

    for (int index = 0; index < Viewport.MAX; ++index) {
        gl3.glUniform1i(uniformDiffuse, index);
        gl3.glScissor(viewport[index].x, viewport[index].y, viewport[index].z, viewport[index].w);
        gl3.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL3 gl3 = (GL3) gl;

    gl3.glViewport(0, 0, windowSize.x, windowSize.y);
    gl3.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, .5f).put(2, 0).put(3, 1));

    return true;
}