Example usage for org.lwjgl.opengl GL20 glGetUniformLocation

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glGetUniformLocation.

Prototype

@NativeType("GLint")
public static int glGetUniformLocation(@NativeType("GLuint") int program,
        @NativeType("GLchar const *") CharSequence name) 

Source Link

Document

Returns the location of a uniform variable.

Usage

From source file:com.github.begla.blockmania.world.main.World.java

License:Apache License

/**
 * Renders all chunks that are currently in the player's field of view.
 *///from  www  . java2s. co  m
private void renderChunksAndEntities() {

    ShaderManager.getInstance().enableShader("chunk");

    GL13.glActiveTexture(GL13.GL_TEXTURE1);
    TextureManager.getInstance().bindTexture("custom_lava_still");
    GL13.glActiveTexture(GL13.GL_TEXTURE2);
    TextureManager.getInstance().bindTexture("custom_water_still");
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    TextureManager.getInstance().bindTexture("terrain");

    int daylight = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "daylight");
    int swimming = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "swimming");

    int lavaTexture = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "textureLava");
    int waterTexture = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"),
            "textureWater");
    int textureAtlas = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"),
            "textureAtlas");
    GL20.glUniform1i(lavaTexture, 1);
    GL20.glUniform1i(waterTexture, 2);
    GL20.glUniform1i(textureAtlas, 0);

    int tick = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "tick");

    GL20.glUniform1f(tick, _tick);
    GL20.glUniform1f(daylight, getDaylight());
    GL20.glUniform1i(swimming, _player.isHeadUnderWater() ? 1 : 0);

    // OPAQUE ELEMENTS
    for (int i = 0; i < _visibleChunks.size(); i++) {
        Chunk c = _visibleChunks.get(i);

        c.render(ChunkMesh.RENDER_TYPE.OPAQUE);
        c.render(ChunkMesh.RENDER_TYPE.LAVA);

        if ((Boolean) ConfigurationManager.getInstance().getConfig().get("System.Debug.chunkOutlines")) {
            c.getAABB().render();
        }
    }

    for (int i = 0; i < _visibleChunks.size(); i++) {
        Chunk c = _visibleChunks.get(i);

        c.render(ChunkMesh.RENDER_TYPE.BILLBOARD_AND_TRANSLUCENT);
    }

    for (int j = 0; j < 2; j++) {
        // ANIMATED WATER
        for (int i = 0; i < _visibleChunks.size(); i++) {
            Chunk c = _visibleChunks.get(i);

            if (j == 0) {
                glColorMask(false, false, false, false);
            } else {
                glColorMask(true, true, true, true);
            }

            c.render(ChunkMesh.RENDER_TYPE.WATER);
        }
    }

    _mobManager.renderAll();

    ShaderManager.getInstance().enableShader("block");
    _bulletPhysicsRenderer.render();

    ShaderManager.getInstance().enableShader(null);
}

---

From source file:com.github.begla.blockmania.world.physics.BulletPhysicsRenderer.java

License:Apache License

public void render() {
    for (BlockRigidBody b : _blocks) {
        Transform t = new Transform();
        b.getMotionState().getWorldTransform(t);

        GL11.glPushMatrix();//from  w w  w. ja v  a  2  s  .co m

        FloatBuffer mBuffer = BufferUtils.createFloatBuffer(16);
        float[] mFloat = new float[16];
        t.getOpenGLMatrix(mFloat);

        mBuffer.put(mFloat);
        mBuffer.flip();

        GL11.glTranslatef(-_parent.getPlayer().getPosition().x, -_parent.getPlayer().getPosition().y,
                -_parent.getPlayer().getPosition().z);
        GL11.glMultMatrix(mBuffer);

        float lightValue = calcLightValueForTransform(t);
        int lightRef = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("block"), "light");
        GL20.glUniform1f(lightRef, lightValue);

        BlockManager.getInstance().getBlock(b.getType()).render();
        GL11.glPopMatrix();
    }
}

---

From source file:com.github.begla.blockmania.world.World.java

License:Apache License

/**
 * Renders the chunks.//from w  w  w.j a va  2  s  .co m
 */
private void renderChunks() {
    ShaderManager.getInstance().enableShader("chunk");

    int daylight = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "daylight");
    int swimming = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "swimming");
    int animationOffset = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"),
            "animationOffset");
    int animated = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("chunk"), "animated");

    GL20.glUniform1f(daylight, (float) getDaylight());
    GL20.glUniform1i(swimming, _player.isHeadUnderWater() ? 1 : 0);

    FastList<Chunk> visibleChunks = fetchVisibleChunks();

    glEnable(GL_TEXTURE_2D);

    GL20.glUniform1i(animated, 0);
    TextureManager.getInstance().bindTexture("terrain");

    // OPAQUE ELEMENTS
    for (FastList.Node<Chunk> n = visibleChunks.head(), end = visibleChunks.tail(); (n = n.getNext()) != end;) {
        Chunk c = n.getValue();

        c.render(ChunkMesh.RENDER_TYPE.OPAQUE);

        if (Configuration.getSettingBoolean("CHUNK_OUTLINES")) {
            c.getAABB().render();
        }
    }

    // ANIMATED LAVA
    GL20.glUniform1i(animated, 1);
    TextureManager.getInstance().bindTexture("custom_lava_still");

    GL20.glUniform1f(animationOffset, ((float) (_tick % 16)) * (1.0f / 16f));

    for (FastList.Node<Chunk> n = visibleChunks.head(), end = visibleChunks.tail(); (n = n.getNext()) != end;) {
        Chunk c = n.getValue();
        c.render(ChunkMesh.RENDER_TYPE.LAVA);
    }

    GL20.glUniform1i(animated, 0);
    TextureManager.getInstance().bindTexture("terrain");

    // BILLBOARDS AND TRANSLUCENT ELEMENTS
    for (FastList.Node<Chunk> n = visibleChunks.head(), end = visibleChunks.tail(); (n = n.getNext()) != end;) {
        Chunk c = n.getValue();
        c.render(ChunkMesh.RENDER_TYPE.BILLBOARD_AND_TRANSLUCENT);
    }

    GL20.glUniform1i(animated, 1);
    GL20.glUniform1f(animationOffset, ((float) (_tick / 2 % 12)) * (1.0f / 16f));
    TextureManager.getInstance().bindTexture("custom_water_still");

    for (int i = 0; i < 2; i++) {
        // ANIMATED WATER
        for (FastList.Node<Chunk> n = visibleChunks.head(), end = visibleChunks
                .tail(); (n = n.getNext()) != end;) {
            Chunk c = n.getValue();

            if (i == 0) {
                glColorMask(false, false, false, false);
            } else {
                glColorMask(true, true, true, true);
            }

            c.render(ChunkMesh.RENDER_TYPE.WATER);
        }
    }

    ShaderManager.getInstance().enableShader(null);

    glDisable(GL_TEXTURE_2D);
}

---

From source file:com.github.kajdreef.mazerunnermvn.MazeRunner.ShaderProgram.java

public void newShaderProgram(String vertexShaderLocation, String fragmentShaderLocation) {
    // Initialize the vertex Shader
    vertexId = compileShader(GL20.GL_VERTEX_SHADER, vertexShaderLocation);

    // Initialize the fragment shader
    fragmentId = compileShader(GL20.GL_FRAGMENT_SHADER, fragmentShaderLocation);

    programId = GL20.glCreateProgram();/*from   w w  w.  j  ava  2s.c om*/
    GL20.glAttachShader(programId, vertexId);
    GL20.glAttachShader(programId, fragmentId);

    // Position information will be attribute 0
    GL20.glBindAttribLocation(programId, 0, "in_Position");
    // Color information will be attribute 1
    GL20.glBindAttribLocation(programId, 1, "in_Color");
    // Texture information will be attribute 2
    GL20.glBindAttribLocation(programId, 2, "in_TextureCoord");

    GL20.glLinkProgram(programId);
    GL20.glValidateProgram(programId);

    // Get matrices uniform locations
    projectionMatrixLocation = GL20.glGetUniformLocation(programId, "projectionMatrix");
    viewMatrixLocation = GL20.glGetUniformLocation(programId, "viewMatrix");
    modelMatrixLocation = GL20.glGetUniformLocation(programId, "modelMatrix");
}

---

From source file:com.google.gapid.glviewer.gl.Shader.java

License:Apache License

private static Uniform[] getActiveUniforms(int program) {
    int maxUniformNameLength = GL20.glGetProgrami(program, GL20.GL_ACTIVE_UNIFORM_MAX_LENGTH);
    int numUniforms = GL20.glGetProgrami(program, GL20.GL_ACTIVE_UNIFORMS);
    IntBuffer size = createIntBuffer(1), type = createIntBuffer(1);

    Uniform[] result = new Uniform[numUniforms];
    for (int i = 0; i < numUniforms; i++) {
        String name = GL20.glGetActiveUniform(program, i, maxUniformNameLength, size, type);
        if (name.endsWith("[0]")) {
            name = name.substring(0, name.length() - 3);
        }/*from   w ww . ja  va2s . c  om*/
        result[i] = new Uniform(GL20.glGetUniformLocation(program, name), name, type.get(0));
    }
    return result;
}

---

From source file:com.google.gapid.glviewer.gl.Util.java

License:Apache License

public static AttributeOrUniform[] getActiveUniforms(int program) {
    int maxUniformNameLength = getProgramiv(program, GL20.GL_ACTIVE_UNIFORM_MAX_LENGTH);
    int numUniforms = getProgramiv(program, GL20.GL_ACTIVE_UNIFORMS);
    IntBuffer size = createIntBuffer(1), type = createIntBuffer(1);

    AttributeOrUniform[] result = new AttributeOrUniform[numUniforms];
    for (int i = 0; i < numUniforms; i++) {
        String name = GL20.glGetActiveUniform(program, i, maxUniformNameLength, size, type);
        if (name.endsWith("[0]")) {
            name = name.substring(0, name.length() - 3);
        }/*  w w w.  ja  v a 2  s.c o m*/
        result[i] = new AttributeOrUniform(GL20.glGetUniformLocation(program, name), name, type.get(0),
                size.get(0));
    }
    return result;
}

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From source file:com.grillecube.client.opengl.GLProgram.java

public int getUniform(String name) {
    return (GL20.glGetUniformLocation(this.progID, name));
}

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From source file:com.grillecube.engine.opengl.object.GLProgram.java

public int getUniform(String name) {
    return (GL20.glGetUniformLocation(this._programID, name));
}

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From source file:com.kauridev.lunarfever.graphics.ShaderProgram.java

License:Open Source License

private int getUniformLocation(String name) {
    return GL20.glGetUniformLocation(program, name);
}

---

From source file:com.opengrave.common.world.MaterialList.java

License:Open Source License

public synchronized void bind(int pID, int glTexture) {
    updateTex();/*w w w .j a  v a  2 s.com*/
    int texMain = GL20.glGetUniformLocation(pID, "arraytexture");
    int texData = GL20.glGetUniformLocation(pID, "arraytexturedata");
    GL20.glUniform1i(texMain, glTexture - GL13.GL_TEXTURE0);
    GL20.glUniform1i(texData, (glTexture - GL13.GL_TEXTURE0) + 1);
    if (!valid()) {
        return;
    }
    textureAtlas.bind(glTexture);
    textureDataAtlas.bind(glTexture + 1);
}

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