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/*
 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.prism.null3d;

import com.sun.glass.ui.Screen;
import com.sun.prism.MediaFrame;
import com.sun.prism.Mesh;
import com.sun.prism.MeshView;
import com.sun.prism.PhongMaterial;
import com.sun.prism.PixelFormat;
import com.sun.prism.Presentable;
import com.sun.prism.PresentableState;
import com.sun.prism.RTTexture;
import com.sun.prism.Texture;
import com.sun.prism.Texture.Usage;
import com.sun.prism.Texture.WrapMode;
import com.sun.prism.impl.TextureResourcePool;
import com.sun.prism.impl.ps.BaseShaderFactory;
import com.sun.prism.ps.Shader;

import java.io.InputStream;
import java.util.Map;

class DummyResourceFactory extends BaseShaderFactory {

    private final DummyContext context;

    DummyResourceFactory(Screen screen) {
        this.context = new DummyContext(screen, this);
    }

    DummyContext getContext() {
        return context;
    }

    public TextureResourcePool getTextureResourcePool() {
        return DummyTexturePool.instance;
    }

    @Override
    public DummyTexture createTexture(PixelFormat format,
                                      Usage usagehint, WrapMode wrapMode,
                                      int w, int h)
    {
        return new DummyTexture(context, format, wrapMode, w, h);
    }

    @Override
    public DummyTexture createTexture(PixelFormat format, Usage usagehint,
            WrapMode wrapMode, int w, int h, boolean useMipmap) {
        return createTexture(format, usagehint, wrapMode, w, h);
    }

    public int getRTTWidth(int w, WrapMode wrapMode) {
        return w;
    }

    public int getRTTHeight(int h, WrapMode wrapMode) {
        return h;
    }

    @Override
    public boolean isCompatibleTexture(Texture tex) {
        return tex instanceof DummyTexture;
    }

    @Override
    public RTTexture createRTTexture(int width, int height, WrapMode wrapMode) {
        return createRTTexture(width, height, wrapMode, false);
    }

    @Override
    public RTTexture createRTTexture(int width, int height, WrapMode wrapMode, boolean msaa) {
        return new DummyRTTexture(context, wrapMode, width, height);
    }

    // Glass-Prism bringup
    public Presentable createPresentable(PresentableState pState) {
        DummyRTTexture rtt = new DummyRTTexture(context, WrapMode.CLAMP_NOT_NEEDED, pState.getWidth(), pState.getHeight());
        return new DummySwapChain(context, pState, rtt);
    }

    public Shader createShader(InputStream pixelShaderCode,
                               Map samplers,
                               Map params,
                               int maxTexCoordIndex,
                               boolean isPixcoordUsed,
                               boolean isPerVertexColorUsed)
    {
        return new DummyShader(context, params);
    }

    public Shader createStockShader(String name) {
        return new DummyShader(context, name);
    }

    @Override
    public void dispose() {
    }

    @Override
    public boolean isFormatSupported(PixelFormat format) {
        return true;
    }

    public int getMaximumTextureSize() {
        return 65536;
    }

    public Texture createTexture(MediaFrame frame) {
        return new DummyTexture(context, frame.getPixelFormat(), WrapMode.CLAMP_TO_EDGE,
                                frame.getWidth(), frame.getHeight());
    }

    public PhongMaterial createPhongMaterial() {
        throw new UnsupportedOperationException("Not supported yet.");
}

    public MeshView createMeshView(Mesh mesh) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public Mesh createMesh() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

}