Example usage for com.badlogic.gdx.graphics.glutils FrameBuffer getColorBufferTexture

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics.glutils FrameBuffer getColorBufferTexture.

Prototype

public Texture getColorBufferTexture() 

Source Link

Usage

From source file:com.badlogic.gdx.tests.PremultiplyAlpha.java

private void gpuPremultiplyAlpha(String in, String out) {
    Texture texture = new Texture(Gdx.files.absolute(in));
    texture.setFilter(TextureFilter.Nearest, TextureFilter.Nearest);
    FrameBuffer buffer = new FrameBuffer(Format.RGBA8888, texture.getWidth(), texture.getHeight(), false);
    buffer.getColorBufferTexture().setFilter(TextureFilter.Nearest, TextureFilter.Nearest);
    ShaderProgram shader = new ShaderProgram(VERTEX_SHADER, FRAG_SHADER);
    Gdx.app.log("Log", shader.getLog());
    SpriteBatch batch = new SpriteBatch(10);
    batch.getProjectionMatrix().setToOrtho2D(0, 0, texture.getWidth(), texture.getHeight());
    batch.disableBlending();//w w  w .  j  a v  a2 s .  co m
    batch.setShader(shader);

    //Premultiply
    buffer.begin();
    Gdx.gl.glClearColor(0, 0, 0, 0);
    Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
    batch.begin();
    batch.draw(texture, 0, 0);
    batch.end();
    Pixmap pixmap = ScreenUtils.getFrameBufferPixmap(0, 0, texture.getWidth(), texture.getHeight());
    buffer.end();

    //Save
    PixmapIO.writePNG(Gdx.files.absolute(out), pixmap);
    buffer.dispose();
    texture.dispose();
    pixmap.dispose();
    Gdx.app.exit();
}

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From source file:com.bitfire.postprocessing.effects.Bloom.java

License:Apache License

@Override
public void render(final FrameBuffer src, final FrameBuffer dest) {
    Texture texsrc = src.getColorBufferTexture();

    boolean blendingWasEnabled = PostProcessor.isStateEnabled(GL20.GL_BLEND);
    Gdx.gl.glDisable(GL20.GL_BLEND);/* www  . j av  a 2 s  .c o  m*/

    pingPongBuffer.begin();
    {
        // threshold / high-pass filter
        // only areas with pixels >= threshold are blit to smaller fbo
        threshold.setInput(texsrc).setOutput(pingPongBuffer.getSourceBuffer()).render();

        // blur pass
        blur.render(pingPongBuffer);
    }
    pingPongBuffer.end();

    if (blending || blendingWasEnabled) {
        Gdx.gl.glEnable(GL20.GL_BLEND);
    }

    if (blending) {
        Gdx.gl.glBlendFunc(sfactor, dfactor);
    }

    // mix original scene and blurred threshold, modulate via
    // set(Base|Bloom)(Saturation|Intensity)
    combine.setOutput(dest).setInput(texsrc, pingPongBuffer.getResultTexture()).render();
}

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From source file:com.bitfire.postprocessing.effects.CrtMonitor.java

License:Apache License

@Override
public void render(FrameBuffer src, FrameBuffer dest) {
    // the original scene
    Texture in = src.getColorBufferTexture();

    boolean blendingWasEnabled = PostProcessor.isStateEnabled(GL20.GL_BLEND);
    Gdx.gl.glDisable(GL10.GL_BLEND);/*from w  ww . jav a  2  s  .co m*/

    Texture out = null;

    if (doblur) {

        pingPongBuffer.begin();
        {
            // crt pass
            crt.setInput(in).setOutput(pingPongBuffer.getSourceBuffer()).render();

            // blur pass
            blur.render(pingPongBuffer);
        }
        pingPongBuffer.end();

        out = pingPongBuffer.getResultTexture();
    } else {
        // crt pass
        crt.setInput(in).setOutput(buffer).render();

        out = buffer.getColorBufferTexture();
    }

    if (blending || blendingWasEnabled) {
        Gdx.gl.glEnable(GL20.GL_BLEND);
    }

    if (blending) {
        Gdx.gl.glBlendFunc(sfactor, dfactor);
    }

    // do combine pass
    combine.setOutput(dest).setInput(in, out).render();
}

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From source file:com.bitfire.postprocessing.effects.LensFlare2.java

License:Apache License

@Override
public void render(final FrameBuffer src, final FrameBuffer dest) {
    Texture texsrc = src.getColorBufferTexture();

    boolean blendingWasEnabled = PostProcessor.isStateEnabled(GL20.GL_BLEND);
    Gdx.gl.glDisable(GL20.GL_BLEND);// www  . jav  a2  s.c om

    pingPongBuffer.begin();
    {
        // apply bias
        bias.setInput(texsrc).setOutput(pingPongBuffer.getSourceBuffer()).render();

        lens.setInput(pingPongBuffer.getSourceBuffer()).setOutput(pingPongBuffer.getResultBuffer()).render();

        pingPongBuffer.set(pingPongBuffer.getResultBuffer(), pingPongBuffer.getSourceBuffer());

        // blur pass
        blur.render(pingPongBuffer);
    }
    pingPongBuffer.end();

    if (blending || blendingWasEnabled) {
        Gdx.gl.glEnable(GL20.GL_BLEND);
    }

    if (blending) {
        Gdx.gl.glBlendFunc(sfactor, dfactor);
    }

    restoreViewport(dest);

    // mix original scene and blurred threshold, modulate via
    combine.setOutput(dest).setInput(texsrc, pingPongBuffer.getResultTexture()).render();
}

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From source file:com.bitfire.postprocessing.effects.LightGlow.java

License:Apache License

@Override
public void render(final FrameBuffer src, final FrameBuffer dest) {
    Texture texsrc = src.getColorBufferTexture();

    boolean blendingWasEnabled = PostProcessor.isStateEnabled(GL20.GL_BLEND);
    Gdx.gl.glDisable(GL20.GL_BLEND);/*from   ww  w.ja  va  2  s.  com*/

    pingPongBuffer.begin();
    {
        // apply bias
        bias.setInput(texsrc).setOutput(pingPongBuffer.getSourceBuffer()).render();

        glow.setInput(pingPongBuffer.getSourceBuffer()).setOutput(pingPongBuffer.getResultBuffer()).render();

    }
    pingPongBuffer.end();

    if (blending || blendingWasEnabled) {
        Gdx.gl.glEnable(GL20.GL_BLEND);
    }

    if (blending) {
        Gdx.gl.glBlendFunc(sfactor, dfactor);
    }

    restoreViewport(dest);

    // mix original scene and blurred threshold, modulate via
    combine.setOutput(dest).setInput(texsrc, pingPongBuffer.getResultTexture()).render();
}

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From source file:com.bitfire.postprocessing.effects.LightScattering.java

License:Apache License

@Override
public void render(final FrameBuffer src, final FrameBuffer dest) {
    Texture texsrc = src.getColorBufferTexture();

    boolean blendingWasEnabled = PostProcessor.isStateEnabled(GL20.GL_BLEND);
    Gdx.gl.glDisable(GL20.GL_BLEND);/* ww  w .j a  v a2  s.  co m*/

    pingPongBuffer.begin();
    {
        // apply bias
        bias.setInput(texsrc).setOutput(pingPongBuffer.getSourceBuffer()).render();

        scattering.setInput(pingPongBuffer.getSourceBuffer()).setOutput(pingPongBuffer.getResultBuffer())
                .render();

        pingPongBuffer.set(pingPongBuffer.getResultBuffer(), pingPongBuffer.getSourceBuffer());

        // blur pass
        blur.render(pingPongBuffer);
    }
    pingPongBuffer.end();

    if (blending || blendingWasEnabled) {
        Gdx.gl.glEnable(GL20.GL_BLEND);
    }

    if (blending) {
        Gdx.gl.glBlendFunc(sfactor, dfactor);
    }

    restoreViewport(dest);

    // mix original scene and blurred threshold, modulate via
    combine.setOutput(dest).setInput(texsrc, pingPongBuffer.getResultTexture()).render();
}

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From source file:com.bitfire.postprocessing.filters.Combine.java

License:Apache License

public Combine setInput(FrameBuffer buffer1, FrameBuffer buffer2) {
    this.inputTexture = buffer1.getColorBufferTexture();
    this.inputTexture2 = buffer2.getColorBufferTexture();
    return this;
}

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From source file:com.bitfire.postprocessing.filters.CubemapEquirectangularFilter.java

License:Apache License

public void setSides(FrameBuffer xpositive, FrameBuffer xnegative, FrameBuffer ypositive, FrameBuffer ynegative,
        FrameBuffer zpositive, FrameBuffer znegative) {
    cubemapSides = new TextureData[6];
    cubemapSides[0] = xpositive.getColorBufferTexture().getTextureData();
    cubemapSides[1] = xnegative.getColorBufferTexture().getTextureData();
    cubemapSides[2] = ypositive.getColorBufferTexture().getTextureData();
    cubemapSides[3] = ynegative.getColorBufferTexture().getTextureData();
    cubemapSides[4] = zpositive.getColorBufferTexture().getTextureData();
    cubemapSides[5] = znegative.getColorBufferTexture().getTextureData();

    FrameBuffer[] fbos = new FrameBuffer[6];
    fbos[0] = xpositive;//from   www  .j av a  2 s.c o m
    fbos[1] = xnegative;
    fbos[2] = ypositive;
    fbos[3] = ynegative;
    fbos[4] = zpositive;
    fbos[5] = znegative;

    if (cmId < 0)
        cmId = Gdx.gl.glGenTexture();

    // Make active
    Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0 + u_texture1);
    Gdx.gl.glBindTexture(GL20.GL_TEXTURE_CUBE_MAP, cmId);

    // Call glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i) for all sides
    for (int i = 0; i < cubemapSides.length; i++) {
        if (cubemapSides[i].getType() == TextureData.TextureDataType.Custom) {
            cubemapSides[i].consumeCustomData(GL20.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i);
        }
    }

    for (int i = 0; i < cubemapSides.length; i++) {
        fbos[i].begin();
        Gdx.gl.glFramebufferTexture2D(GL20.GL_FRAMEBUFFER, GL20.GL_COLOR_ATTACHMENT0,
                GL20.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, cmId, 0);
        fbos[i].end();
    }

    Gdx.gl.glTexParameteri(GL20.GL_TEXTURE_CUBE_MAP, GL20.GL_TEXTURE_MAG_FILTER, GL20.GL_LINEAR);
    Gdx.gl.glTexParameteri(GL20.GL_TEXTURE_CUBE_MAP, GL20.GL_TEXTURE_MIN_FILTER, GL20.GL_LINEAR);
    Gdx.gl.glTexParameteri(GL20.GL_TEXTURE_CUBE_MAP, GL20.GL_TEXTURE_WRAP_S, GL20.GL_CLAMP_TO_EDGE);
    Gdx.gl.glTexParameteri(GL20.GL_TEXTURE_CUBE_MAP, GL20.GL_TEXTURE_WRAP_T, GL20.GL_CLAMP_TO_EDGE);
    Gdx.gl.glBindTexture(GL20.GL_TEXTURE_CUBE_MAP, 0);

    setParam(Param.Cubemap, u_texture1);

}

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From source file:com.bitfire.postprocessing.filters.Filter.java

License:Apache License

public T setInput(FrameBuffer input) {
    return setInput(input.getColorBufferTexture());
}

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From source file:com.blastedstudios.ledge.ui.postprocessing.effects.Bloom.java

License:Apache License

@Override
public void render(final FrameBuffer src, final FrameBuffer dest) {
    Texture texsrc = src.getColorBufferTexture();

    boolean blendingWasEnabled = PostProcessor.isStateEnabled(GL20.GL_BLEND);
    Gdx.gl.glDisable(GL20.GL_BLEND);//from w w  w  .  j a  v a  2 s .  c  o  m

    pingPongBuffer.begin();
    {
        // threshold / high-pass filter
        // only areas with pixels >= threshold are blit to smaller fbo
        threshold.setInput(texsrc).setOutput(pingPongBuffer.getSourceBuffer()).render();

        // blur pass
        blur.render(pingPongBuffer);
    }
    pingPongBuffer.end();

    if (blending || blendingWasEnabled) {
        Gdx.gl.glEnable(GL20.GL_BLEND);
    }

    if (blending) {
        // TODO support for Gdx.gl.glBlendFuncSeparate(sfactor, dfactor, GL20.GL_ONE, GL20.GL_ONE );
        Gdx.gl.glBlendFunc(sfactor, dfactor);
    }

    restoreViewport(dest);

    // mix original scene and blurred threshold, modulate via
    // set(Base|Bloom)(Saturation|Intensity)
    combine.setOutput(dest).setInput(texsrc, pingPongBuffer.getResultTexture()).render();
}

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