Java Code Examples for com.jogamp.opengl.GL4#glBindBufferBase()

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 0.5f).put(2, 0).put(3, 1));

    // Bind rendering objects
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
    gl4.glBindVertexArray(vertexArrayName.get(0));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

    gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1.0f));
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1.0f).put(1, 1.0f).put(2, 1.0f).put(3, 1.0f));

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 5, 0, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {
    GL4 gl4 = (GL4) gl;
    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, 2 * 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 modelA = new Mat4(1.0f).translate(new Vec3(-1.1f, 0.0f, 0.0f));
        Mat4 modelB = new Mat4(1.0f).translate(new Vec3(1.1f, 0.0f, 0.0f));

        pointer.asFloatBuffer().put(projection.mul_(viewMat4()).mul(modelA).toFa_());
        pointer.position(Mat4.SIZE);
        pointer.asFloatBuffer().put(projection.mul(viewMat4()).mul(modelB).toFa_());
        pointer.rewind();

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewport(0, 0, windowSize.x, windowSize.y);

    float[] depth = new float[]{1.0f};
    gl4.glClearBufferfv(GL_DEPTH, 0, depth, 0);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

    gl4.glUseProgram(programName);
    gl4.glUniformBlockBinding(programName, uniformTransform, Semantic.Uniform.TRANSFORM0);
    gl4.glUniformBlockBinding(programName, uniformMaterial, Semantic.Uniform.MATERIAL);

    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL));
    gl4.glBindVertexArray(vertexArrayName.get(0));

    gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 2);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_UNSYNCHRONIZED_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);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

    gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1));
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 1).put(2, 1).put(3, 1));

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_INT,
            1 * Integer.BYTES, // indices offset
            5, // instance count
            2, // base vertex
            5); // base instance

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 0.5f, 0.0f, 1.0f}, 0);

    // Bind rendering objects
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
    gl4.glBindVertexArray(vertexArrayName.get(0));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_UNSYNCHRONIZED_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_());
    }

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor);

    // Bind rendering objects
    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));

    // Make sure the uniform buffer is uploaded
    gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        // Compute the MVP (Model View Projection matrix)
        float aspect = (windowSize.x * 0.33f) / (windowSize.y * 0.50f);
        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, aspect, 0.1f, 100.0f);
        Mat4 mvp = projection.mul(viewMat4()).mul(new Mat4(1.0f));

        uniformPointer.asFloatBuffer().put(mvp.toFa_());
    }

    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

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

        gl4.glViewportIndexedf(0,
                viewport[index].viewport.x,
                viewport[index].viewport.y,
                viewport[index].viewport.z,
                viewport[index].viewport.w);

        gl4.glBindVertexArray(vertexArrayName.get(viewport[index].vertexFormat));
        gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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_());

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    // Set the display viewport
    gl4.glViewport(0, 0, windowSize.x, windowSize.y);

    // Clear color buffer with black
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{0.0f, 0.0f, 0.0f, 1.0f}, 0);

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    // Samples count query
    gl4.glBeginQuery(GL_ANY_SAMPLES_PASSED_CONSERVATIVE, queryName.get(0));
    {
        gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
    }
    gl4.glEndQuery(GL_ANY_SAMPLES_PASSED_CONSERVATIVE);

    // Get the count of samples. 
    // If the result of the query isn't here yet, we wait here...
    int[] samplesCount = {0};
    gl4.glGetQueryObjectuiv(queryName.get(0), GL_QUERY_RESULT, samplesCount, 0);
    System.out.println("Samples count: " + (samplesCount[0] == GL_TRUE));

    return true;
}
 

@Override
    protected boolean render(GL gl) {

        GL4 gl4 = (GL4) gl;

        float[] depth = {1.0f};
        gl4.glClearBufferfv(GL_DEPTH, 0, depth, 0);
        gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

        {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE * 3,
                    GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

            Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, windowSize.x / 3.0f / windowSize.y, 0.1f, 100.0f);
            Mat4 view = viewMat4();

            pointer.position(Mat4.SIZE * 0);
            pointer.asFloatBuffer().put(projection.mul_(view).translate(new Vec3(0.0f, 0.0f, +0.5f)).toFa_());
            pointer.position(Mat4.SIZE * 1);
            pointer.asFloatBuffer().put(projection.mul_(view).translate(new Vec3(0.0f, 0.0f, +0.0f)).toFa_());
            pointer.position(Mat4.SIZE * 2);
            pointer.asFloatBuffer().put(projection.mul_(view).translate(new Vec3(0.0f, 0.0f, -0.5f)).toFa_());
            pointer.rewind();

            gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        }

        gl4.glActiveTexture(GL_TEXTURE0);
        gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.A));
        gl4.glActiveTexture(GL_TEXTURE1);
        gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.B));
        gl4.glActiveTexture(GL_TEXTURE2);
        gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.C));

        gl4.glBindProgramPipeline(pipelineName.get(0));
        gl4.glBindVertexArray(vertexArrayName.get(0));
        gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
        gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.INDIRECTION, bufferName.get(Buffer.VERTEX_INDIRECTION));

        gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, bufferName.get(Buffer.INDIRECT));

        validate(gl4);

//        LongBuffer buffer = GLBuffers.newDirectLongBuffer(1);
        for (int i = 0; i < indirectBufferCount; ++i) {

            gl4.glViewportIndexedfv(0, viewport[i].toFloatArray(), 0);
//            buffer.put(5 * Integer.BYTES * drawOffset[i]).rewind();
//            buffer.asIntBuffer().put(0).rewind();
//            buffer.rewind();
            gl4.glMultiDrawElementsIndirect(GL_TRIANGLES, GL_UNSIGNED_SHORT,
                    null,
                    drawCount[i],
                    DrawElementsIndirectCommand.SIZE);
        }

        return true;
    }
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    // Setup blending
    gl4.glEnable(GL_BLEND);
    gl4.glBlendEquation(GL_FUNC_ADD);
    gl4.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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);
        Mat4 mvp = projection.mul(viewMat4()).mul(model);

        mvp.toDbb(pointer);

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    IntBuffer data = IntBuffer.wrap(new int[]{0});
    gl4.glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, bufferName.get(Buffer.ATOMIC_COUNTER));
    gl4.glClearBufferSubData(GL_ATOMIC_COUNTER_BUFFER, GL_R8UI, 0, Integer.BYTES, GL_RGBA, GL_UNSIGNED_INT, data);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0.0f).put(1, 0.0f).put(2, 0.0f).put(3, 1.0f));

    gl4.glBindProgramPipeline(pipelineName.get(0));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, bufferName.get(Buffer.ATOMIC_COUNTER));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 5, 0, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
        Mat4 model = new Mat4(1.0f);

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

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glEnable(GL_DEPTH_TEST);
    gl4.glDepthFunc(GL_LESS);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    gl4.glClearBufferfv(GL_DEPTH, 0, clearDepth.put(0, 1));
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 0.5f).put(2, 0).put(3, 1));

    // Bind rendering objects
    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.TEXTURE));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.TEXTURE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0, 0);

    gl4.glDisable(GL_DEPTH_TEST);

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, 0);

    gl4.glBindProgramPipeline(pipelineName.get(Pipeline.SPLASH));
    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindVertexArray(vertexArrayName.get(Pipeline.SPLASH));
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.COLORBUFFER));

    gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 3, 1, 0);

    return true;
}
 

@Override
    protected boolean render(GL gl) {

        GL4 gl4 = (GL4) gl;

        {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            ByteBuffer pointer = gl4.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_());

            gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        }

        // Clear color buffer with black
        gl4.glClearBufferfv(GL_COLOR, 0, new float[]{0.0f, 0.0f, 0.0f, 1.0f}, 0);

        gl4.glBindProgramPipeline(pipelineName.get(0));
        gl4.glBindVertexArray(vertexArrayName.get(0));
        gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
        gl4.glBindBufferBase(GL_SHADER_STORAGE_BUFFER, Semantic.Storage.VERTEX, bufferName.get(Buffer.VERTEX));

        // Samples count query
        for (int i = 0; i < viewports.length; ++i) {

            gl4.glViewportArrayv(0, 1, viewports[i].toFA_(), 0);

            gl4.glBeginQuery(GL_ANY_SAMPLES_PASSED, queryName.get(i));
            {
                gl4.glDrawArraysInstanced(GL_TRIANGLES, 0, vertexCount, 1);
            }
            gl4.glEndQuery(GL_ANY_SAMPLES_PASSED);
        }

        gl4.glBindBuffer(GL_QUERY_BUFFER, bufferName.get(Buffer.QUERY));
        IntBuffer params = GLBuffers.newDirectIntBuffer(1);
        for (int i = 0; i < viewports.length; ++i) {
//            params.put(0, Integer.BYTES * i);
            int[] a = {0};
            gl4.glGetQueryObjectuiv(queryName.get(i), GL_QUERY_RESULT, a, 0);
            System.out.println("a: "+a[0]);
        }

//        ByteBuffer pointer = gl4.glMapBufferRange(GL_QUERY_BUFFER, 0, Integer.BYTES * queryName.capacity(),
//                GL_MAP_READ_BIT);

//        System.out.println("Samples count: " + pointer.get(0) + ", " + pointer.get(1) + ", " + pointer.get(2)
//                + ", " + pointer.get(3) + "\r");

//        gl4.glUnmapBuffer(GL_QUERY_BUFFER);
//        gl4.glBindBuffer(GL_QUERY_BUFFER, 0);

        return true;
    }
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    int uniformBufferOffset = Math.max(uniformBufferAlignment.get(0), Mat4.SIZE);
    int uniformBufferRange = uniformBufferOffset * 2;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0,
                uniformBufferRange, 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 model0 = new Mat4(1.0f).translate(new Vec3(+1, 0, 0));
        Mat4 model1 = new Mat4(1.0f).translate(new Vec3(-1, 0, 0));

        pointer.position(uniformBufferOffset * 0);
        pointer.asFloatBuffer().put(projection.mul_(viewMat4()).mul(model0).toFa_());
        pointer.position(uniformBufferOffset * 1);
        pointer.asFloatBuffer().put(projection.mul_(viewMat4()).mul(model1).toFa_());
        pointer.rewind();

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
    }

    gl4.glViewport(0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 1).put(2, 1).put(3, 1));

    gl4.glUseProgram(programName);

    // Attach the buffer to UBO binding point semantic::uniform::MATERIAL
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL));
    gl4.glBindVertexArray(vertexArrayName.get(0));

    // Attach the buffer to UBO binding point semantic::uniform::TRANSFORM0
    gl4.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM), 0,
            Mat4.SIZE);
    gl4.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM1, bufferName.get(Buffer.TRANSFORM),
            uniformBufferOffset, Mat4.SIZE);

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);
    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 1);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    float[] depth = {1.0f};
    gl4.glClearBufferfv(GL_DEPTH, 0, depth, 0);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName[Buffer.TRANSFORM]);
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE * drawDataCount,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, windowSize.x / 3.0f / windowSize.y,
                0.1f, 100.0f);
        Mat4 view = viewMat4();
        Mat4 model = new Mat4(1.0f);

        pointer.asFloatBuffer().put(projection.mul(view, new Mat4()).translate(0.0f, 0.0f, 0.5f).toFa_());
        pointer.position(Mat4.SIZE * 1);
        pointer.asFloatBuffer().put(projection.mul(view, new Mat4()).translate(0.0f, 0.0f, 0.0f).toFa_());
        pointer.position(Mat4.SIZE * 2);
        pointer.asFloatBuffer().put(projection.mul(view, new Mat4()).translate(0.0f, 0.0f, -0.5f).toFa_());
        pointer.rewind();

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName[Texture.A]);
    gl4.glActiveTexture(GL_TEXTURE1);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName[Texture.B]);
    gl4.glActiveTexture(GL_TEXTURE2);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName[Texture.C]);

    gl4.glBindProgramPipeline(pipelineName[0]);
    gl4.glBindVertexArray(vertexArrayName[0]);
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName[Buffer.TRANSFORM]);
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.INDIRECTION, bufferName[Buffer.VERTEX_INDIRECTION]);

    gl4.glBindBuffer(GL_DRAW_INDIRECT_BUFFER, bufferName[Buffer.INDIRECT]);
    gl4.glBindBuffer(GL_PARAMETER_BUFFER_ARB, bufferName[Buffer.PARAMETER]);

    validate(gl4);

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

        gl4.glViewportIndexedfv(0, viewport[i].toFA_(), 0);
        gl4.glMultiDrawElementsIndirectCountARB(GL_TRIANGLES, GL_UNSIGNED_SHORT,
                DrawElementsIndirectCommand.SIZE * drawOffset[i], // Offset in the indirect draw buffer
                drawCount[i], // Offset in the paramter buffer
                4, DrawElementsIndirectCommand.SIZE);
    }

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    Vec2i framebufferSize = windowSize.mul_(FRAMEBUFFER_SCALE);

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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, windowSize.x * 0.5f / windowSize.y, 0.1f, 1000.0f);
        Mat4 model = new Mat4(1.0f);

        projection.mul(viewMat4()).mul(model.scale(new Vec3(4.f))).toDbb(pointer);

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glBindFramebuffer(GL_FRAMEBUFFER, framebufferName.get(0));
    gl4.glViewportIndexedf(0, 0, 0, framebufferSize.x, framebufferSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 0.5f).put(2, 0).put(3, 1));

    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));

    gl4.glBindProgramPipeline(pipelineName.get(Program.PROG));
    gl4.glViewportIndexedf(0, framebufferSize.x * 0.5f * 0.0f, 0, framebufferSize.x * 0.5f, framebufferSize.y);
    gl4.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    gl4.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    gl4.glBindProgramPipeline(pipelineName.get(Program.FUNC));
    gl4.glViewportIndexedf(0, framebufferSize.x * 0.5f * 1.0f, 0, framebufferSize.x * 0.5f, framebufferSize.y);
    gl4.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    gl4.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    gl4.glBindFramebuffer(GL_READ_FRAMEBUFFER, framebufferName.get(0));
    gl4.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
    gl4.glBlitFramebuffer(
            0, 0, framebufferSize.x, framebufferSize.y,
            0, 0, windowSize.x, windowSize.y,
            GL_COLOR_BUFFER_BIT, GL_NEAREST);

    return true;
}
 

@Override
    protected boolean render(GL gl) {

        GL4 gl4 = (GL4) gl;

        gl4.glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 1, -1, "Frame".getBytes(), 0);

        {
            gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
            ByteBuffer pointer = gl4.glMapBufferRange(
                    GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                    GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

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

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

            // Make sure the uniform buffer is uploaded
            gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        }

        gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);

        gl4.glDebugMessageInsert(GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_MARKER, 1, GL_DEBUG_SEVERITY_NOTIFICATION,
                -1, "Throwing an error on glClearBufferfv");

        gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1.0f).put(1, 0.5f).put(2, 0.0f).put(3, 1.0f));
        // Add an error for testing: GL_TEXTURE_2D instead of GL_COLOR
//        gl4.glClearBufferfv(GL_TEXTURE_2D, 0, clearColor.put(0, 1.0f).put(1, 0.5f).put(2, 0.0f).put(3, 1.0f));

        gl4.glBindProgramPipeline(pipelineName.get(0));
        gl4.glActiveTexture(GL_TEXTURE0);
        gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
        gl4.glBindVertexArray(vertexArrayName.get(0));
        gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

        gl4.glDebugMessageInsert(GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_MARKER, 1, GL_DEBUG_SEVERITY_NOTIFICATION,
                -1, "Throwing an error on glDrawElementsInstancedBaseVertexBaseInstance");
        // Add an error for testing: GL_FLOAT instead of GL_UNSIGNED_SHORT
//        gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_FLOAT, 0, 1, 0, 0); 
        gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

        gl4.glPopDebugGroup();

        return true;
    }
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(
                GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        Mat4 projection = glm.perspectiveFov_((float) Math.PI * 0.25f, 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
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glBindProgramPipeline(pipelineName.get(Program.COMPUTE));
    gl4.glBindImageTexture(Image.POSITION_INPUT, textureName.get(Texture.POSITION_INPUT), 0, false, 0, GL_READ_ONLY,
            GL_RGBA32F);
    gl4.glBindImageTexture(Image.TEXCOORD_INPUT, textureName.get(Texture.TEXCOORD_INPUT), 0, false, 0, GL_READ_ONLY,
            GL_RGBA32F);
    gl4.glBindImageTexture(Image.COLOR_INPUT, textureName.get(Texture.COLOR_INPUT), 0, false, 0, GL_READ_ONLY,
            GL_RGBA32F);
    gl4.glBindImageTexture(Image.POSITION_OUTPUT, textureName.get(Texture.POSITION_OUTPUT), 0, false, 0,
            GL_WRITE_ONLY, GL_RGBA32F);
    gl4.glBindImageTexture(Image.TEXCOORD_OUTPUT, textureName.get(Texture.TEXCOORD_OUTPUT), 0, false, 0,
            GL_WRITE_ONLY, GL_RGBA32F);
    gl4.glBindImageTexture(Image.COLOR_OUTPUT, textureName.get(Texture.COLOR_OUTPUT), 0, false, 0, GL_WRITE_ONLY,
            GL_RGBA32F);

    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
    gl4.glDispatchCompute(vertexCount, 1, 1);

    gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 1.0f, 1.0f, 1.0f}, 0);

    gl4.glBindProgramPipeline(pipelineName.get(Program.GRAPHICS));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.DIFFUSE);
    gl4.glBindTexture(GL_TEXTURE_2D, textureName.get(Texture.DIFFUSE));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.POSITION);
    gl4.glBindTexture(GL_TEXTURE_BUFFER, textureName.get(Texture.POSITION_OUTPUT));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.TEXCOORD);
    gl4.glBindTexture(GL_TEXTURE_BUFFER, textureName.get(Texture.TEXCOORD_OUTPUT));
    gl4.glActiveTexture(GL_TEXTURE0 + Semantic.Sampler.COLOR);
    gl4.glBindTexture(GL_TEXTURE_BUFFER, textureName.get(Texture.COLOR_OUTPUT));

    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 1, 0, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    diffuseIndex++;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.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_());

        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
    }

    gl4.glViewport(0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 0.5f).put(2, 0).put(3, 1));

    gl4.glUseProgram(programName);
    gl4.glUniform1ui(uniformDiffuseIndex, (diffuseIndex / 100) % 2);

    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));

    gl4.glActiveTexture(GL_TEXTURE0);
    gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(Texture.RGB));
    gl4.glBindSampler(0, samplerName.get(0));

    gl4.glActiveTexture(GL_TEXTURE1);
    gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(Texture.BGR));
    gl4.glBindSampler(1, samplerName.get(0));

    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_INT, 0, 2, 0);

    return true;
}
 

@Override
protected boolean render(GL gl) {

    GL4 gl4 = (GL4) gl;

    int uniformBufferOffset = Math.max(uniformBufferAlignment.get(0), Mat4.SIZE);
    int uniformBufferRange = uniformBufferOffset * 2;

    {
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
        ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER,
                0, uniformBufferRange, 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 model0 = new Mat4(1.0f).translate(new Vec3(+1, 0, 0));
        Mat4 model1 = new Mat4(1.0f).translate(new Vec3(-1, 0, 0));

        pointer.position(uniformBufferOffset * 0);
        pointer.asFloatBuffer().put(projection.mul_(viewMat4()).mul(model0).toFa_());
        pointer.position(uniformBufferOffset * 1);
        pointer.asFloatBuffer().put(projection.mul_(viewMat4()).mul(model1).toFa_());

        // Make sure the uniform buffer is uploaded
        gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
        gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
    }

    gl4.glViewport(0, 0, windowSize.x, windowSize.y);
    gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 1).put(1, 1).put(2, 1).put(3, 1));

    gl4.glUseProgram(programName);

    // Attach the buffer to UBO binding point semantic::uniform::TRANSFORM0
    gl4.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM), 0,
            Mat4.SIZE);
    gl4.glBindBufferRange(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM1, bufferName.get(Buffer.TRANSFORM),
            uniformBufferOffset, Mat4.SIZE);

    // Attach the buffer to UBO binding point semantic::uniform::MATERIAL
    gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.MATERIAL, bufferName.get(Buffer.MATERIAL));

    gl4.glBindVertexArray(vertexArrayName.get(0));
    gl4.glDrawElementsInstancedBaseVertex(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 2, 0);

    return true;
}
 

@Override
  protected boolean render(GL gl) {

      GL4 gl4 = (GL4) gl;

      /*// Measure speed

double currentTime = glfwGetTime();

nbFrames++;

if (currentTime - lastTime >= 1.0) { // If last prinf() was more than 1 sec ago

									 // printf and reset timer

	printf("%f ms/frame\n", 1000.0 / double(nbFrames));

	nbFrames = 0;

	lastTime += 1.0;

}*/
      {
          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);

          gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
          ByteBuffer pointer = gl4.glMapBufferRange(GL_UNIFORM_BUFFER, 0, Mat4.SIZE, GL_MAP_WRITE_BIT);
          pointer.asFloatBuffer().put(mvp.toFa_());
          gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
      }

      gl4.glViewportIndexedfv(0, new float[]{0, 0, windowSize.x, windowSize.y}, 0);
      gl4.glClearBufferfv(GL_COLOR, 0, new float[]{1.0f, 0.5f, 0.0f, 1.0f}, 0);

      gl4.glBindProgramPipeline(pipelineName.get(0));
      gl4.glBindTextureUnit(0, textureName.get(0));
      gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
      gl4.glBindVertexArray(vertexArrayName.get(0));

      gl4.glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, Semantic.Attr.POSITION, address.get(0), vertexSize);
      gl4.glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, Semantic.Attr.TEXCOORD, address.get(0) + Vec2.SIZE,
              vertexSize - Vec2.SIZE);

      gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, vertexCount, 1, 0);

      return true;
  }