Examples of fcagnin.jgltut.tut12.GammaCorrection

fcagnin.jgltut.tut12.Scene.ProgramData
b.com/integeruser/jgltut for info, updates and license terms.
Part III. Illumination Chapter 12. Dynamic Range http://www.arcsynthesis.org/gltut/Illumination/Tutorial%2012.html
W,A,S,D - move the cameras forward/backwards and left/right, relative to the camera's current orientation. Holding SHIFT with these keys will move in smaller increments. Q,E - raise and lower the camera, relative to its current orientation. Holding SHIFT with these keys will move in smaller increments. P - toggle pausing. -,= - rewind/jump forward time by one second (of real-time). T - toggle viewing of the current target point. 1,2,3 - timer commands affect both the sun and the other lights/only the sun/only the other lights. L - switch to hdr lighting. Pressing SHIFT+L will switch to gamma version. K - toggle gamma correction. Y,H - raise and lower the gamma value (default 2.2). SPACE - print out the current sun-based time, in 24-hour notation.
LEFT CLICKING and DRAGGING - rotate the camera around the target point, both horizontally and vertically. LEFT CLICKING and DRAGGING + CTRL - rotate the camera around the target point, either horizontally or vertically. LEFT CLICKING and DRAGGING + ALT - change the camera's up direction. WHEEL SCROLLING - move the camera closer to it's target point or farther away. @author integeruser

                            Framework.CURRENT_TUTORIAL_DATAPATH = "/fcagnin/jgltut/tut12/data/";
                            new HDRLighting().start( 700, 700 );
                            break;
                        case "Gamma Correction":
                            Framework.CURRENT_TUTORIAL_DATAPATH = "/fcagnin/jgltut/tut12/data/";
                            new GammaCorrection().start( 700, 700 );
                            break;


                        case "BasicImpostor":
                            Framework.CURRENT_TUTORIAL_DATAPATH = "/fcagnin/jgltut/tut13/data/";
                            new BasicImpostor().start();

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                            Framework.CURRENT_TUTORIAL_DATAPATH = "/fcagnin/jgltut/tut12/data/";
                            new SceneLighting().start( 700, 700 );
                            break;
                        case "HDR Lighting":
                            Framework.CURRENT_TUTORIAL_DATAPATH = "/fcagnin/jgltut/tut12/data/";
                            new HDRLighting().start( 700, 700 );
                            break;
                        case "Gamma Correction":
                            Framework.CURRENT_TUTORIAL_DATAPATH = "/fcagnin/jgltut/tut12/data/";
                            new GammaCorrection().start( 700, 700 );
                            break;

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        MatrixStack modelMatrix = new MatrixStack();
        modelMatrix.setMatrix( viewPole.calcMatrix() );


        final Mat4 worldToCamMat = modelMatrix.top();
        LightBlock lightData = lights.getLightInformation( worldToCamMat );


        glBindBuffer( GL_UNIFORM_BUFFER, lightUniformBuffer );
        glBufferSubData( GL_UNIFORM_BUFFER, 0, lightData.fillAndFlipBuffer( lightBlockBuffer ) );
        glBindBuffer( GL_UNIFORM_BUFFER, 0 );


        {
            modelMatrix.push();

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        MatrixStack modelMatrix = new MatrixStack();
        modelMatrix.setMatrix( viewPole.calcMatrix() );


        final Mat4 worldToCamMat = modelMatrix.top();
        LightBlockGamma lightData = lights.getLightInformationGamma( worldToCamMat );
        lightData.gamma = gamma;


        glBindBuffer( GL_UNIFORM_BUFFER, lightUniformBuffer );
        glBufferSubData( GL_UNIFORM_BUFFER, 0, lightData.fillAndFlipBuffer( lightBlockBuffer ) );
        glBindBuffer( GL_UNIFORM_BUFFER, 0 );


        {
            modelMatrix.push();

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    private boolean drawCameraPos;




    private void setupDaytimeLighting() {
        SunlightValue values[] = {
                new SunlightValue(
                        0.0f / 24.0f,
                        new Vec4( 0.2f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( skyDaylightColor ) ),
                new SunlightValue(
                        4.5f / 24.0f,
                        new Vec4( 0.2f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( skyDaylightColor ) ),
                new SunlightValue(
                        6.5f / 24.0f,
                        new Vec4( 0.15f, 0.05f, 0.05f, 1.0f ),
                        new Vec4( 0.3f, 0.1f, 0.10f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ) ),
                new SunlightValue(
                        8.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) ),
                new SunlightValue(
                        18.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) ),
                new SunlightValue(
                        19.5f / 24.0f,
                        new Vec4( 0.15f, 0.05f, 0.05f, 1.0f ),
                        new Vec4( 0.3f, 0.1f, 0.1f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ) ),
                new SunlightValue(
                        20.5f / 24.0f,
                        new Vec4( 0.2f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( skyDaylightColor ) )
        };

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        lights.setPointLightIntensity( 1, new Vec4( 0.0f, 0.0f, 0.3f, 1.0f ) );
        lights.setPointLightIntensity( 2, new Vec4( 0.3f, 0.0f, 0.0f, 1.0f ) );
    }


    private void setupNighttimeLighting() {
        SunlightValue values[] = {
                new SunlightValue(
                        0.0f / 24.0f,
                        new Vec4( 0.2f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( skyDaylightColor ) ),
                new SunlightValue(
                        4.5f / 24.0f,
                        new Vec4( 0.2f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( skyDaylightColor ) ),
                new SunlightValue(
                        6.5f / 24.0f,
                        new Vec4( 0.15f, 0.05f, 0.05f, 1.0f ),
                        new Vec4( 0.3f, 0.1f, 0.10f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ) ),
                new SunlightValue(
                        8.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) ),
                new SunlightValue(
                        18.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ) ),
                new SunlightValue(
                        19.5f / 24.0f,
                        new Vec4( 0.15f, 0.05f, 0.05f, 1.0f ),
                        new Vec4( 0.3f, 0.1f, 0.1f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ) ),
                new SunlightValue(
                        20.5f / 24.0f,
                        new Vec4( 0.2f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( skyDaylightColor ) )
        };

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    private float gammaValue = 2.2f;




    private void setupHDRLighting() {
        SunlightValueHDR values[] = {
                new SunlightValueHDR(
                        0.0f / 24.0f,
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( 1.8f, 1.8f, 1.8f, 1.0f ),
                        new Vec4( skyDaylightColor ),
                        3.0f ),
                new SunlightValueHDR(
                        4.5f / 24.0f,
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( 1.8f, 1.8f, 1.8f, 1.0f ),
                        new Vec4( skyDaylightColor ),
                        3.0f ),
                new SunlightValueHDR(
                        6.5f / 24.0f,
                        new Vec4( 0.225f, 0.075f, 0.075f, 1.0f ),
                        new Vec4( 0.45f, 0.15f, 0.15f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ),
                        1.5f ),
                new SunlightValueHDR(
                        8.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        1.0f ),
                new SunlightValueHDR(
                        18.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        1.0f ),
                new SunlightValueHDR(
                        19.5f / 24.0f,
                        new Vec4( 0.225f, 0.075f, 0.075f, 1.0f ),
                        new Vec4( 0.45f, 0.15f, 0.15f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ),
                        1.5f ),
                new SunlightValueHDR(
                        20.5f / 24.0f,
                        new Vec4( 0.6f, 0.6f, 0.6f, 1.0f ),
                        new Vec4( 1.8f, 1.8f, 1.8f, 1.0f ),
                        new Vec4( skyDaylightColor ),
                        3.0f ),

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    private void setupGammaLighting() {
        Vec4 sunlight = new Vec4( 6.5f, 6.5f, 6.5f, 1.0f );
        Vec4 brightAmbient = new Vec4( 0.4f, 0.4f, 0.4f, 1.0f );


        SunlightValueHDR values[] = {
                new SunlightValueHDR(
                        0.0f / 24.0f,
                        brightAmbient,
                        sunlight,
                        new Vec4( 0.65f, 0.65f, 1.0f, 1.0f ),
                        10.0f ),
                new SunlightValueHDR(
                        4.5f / 24.0f,
                        brightAmbient,
                        sunlight,
                        new Vec4( skyDaylightColor ),
                        10.0f ),
                new SunlightValueHDR(
                        6.5f / 24.0f,
                        new Vec4( 0.01f, 0.025f, 0.025f, 1.0f ),
                        new Vec4( 2.5f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ),
                        5.0f ),
                new SunlightValueHDR(
                        8.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        3.0f ),
                new SunlightValueHDR(
                        18.0f / 24.0f,
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        new Vec4( 0.0f, 0.0f, 0.0f, 1.0f ),
                        3.0f ),
                new SunlightValueHDR(
                        19.5f / 24.0f,
                        new Vec4( 0.01f, 0.025f, 0.025f, 1.0f ),
                        new Vec4( 2.5f, 0.2f, 0.2f, 1.0f ),
                        new Vec4( 0.5f, 0.1f, 0.1f, 1.0f ),
                        5.0f ),
                new SunlightValueHDR(
                        20.5f / 24.0f,
                        brightAmbient,
                        sunlight,
                        new Vec4( skyDaylightColor ),
                        10.0f )

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    private FloatBuffer lightBlockBuffer = BufferUtils.createFloatBuffer( LightBlock.SIZE );




    private void initializePrograms() {
        for ( int progIndex = 0; progIndex < LightingProgramTypes.MAX_LIGHTING_PROGRAM_TYPES.ordinal(); progIndex++ ) {
            programs[progIndex] = new ProgramData();
            programs[progIndex] = loadLitProgram( shaderFileNames[progIndex].vertexShaderFileName,
                    shaderFileNames[progIndex].fragmentShaderFileName );
        }


        unlit = loadUnlitProgram( "PosTransform.vert", "UniformColor.frag" );

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    private ProgramData loadLitProgram(String vertexShaderFileName, String fragmentShaderFileName) {
        ArrayList<Integer> shaderList = new ArrayList<>();
        shaderList.add( Framework.loadShader( GL_VERTEX_SHADER, vertexShaderFileName ) );
        shaderList.add( Framework.loadShader( GL_FRAGMENT_SHADER, fragmentShaderFileName ) );


        ProgramData data = new ProgramData();
        data.theProgram = Framework.createProgram( shaderList );
        data.modelToCameraMatrixUnif = glGetUniformLocation( data.theProgram, "modelToCameraMatrix" );


        data.normalModelToCameraMatrixUnif = glGetUniformLocation( data.theProgram, "normalModelToCameraMatrix" );

View Full Code Here

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fcagnin.jgltut.tut12.GammaCorrection

fcagnin.jgltut.tut12.HDRLighting

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