Example usage for org.lwjgl.opengl GL20 glUniform1f

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glUniform1f.

Prototype

public static void glUniform1f(@NativeType("GLint") int location, @NativeType("GLfloat") float v0)

Source Link

Document

Specifies the value of a float uniform variable for the current program object.

Usage

From source file:org.terasology.rendering.assets.GLSLShaderProgramInstance.java

License:Apache License

/**
 * Sets the shader uniform of the current shader of this shader
 * program to be the given value.//from   w  w  w .j  a  v a 2 s  .c o m
 * @param desc the uniform name, as used in the shader program itself.
 * @param f the value to set the uniform to.
 */
public void setFloat(String desc, float f) {
    int activeShaderProgramId = getActiveShaderProgramId();

    if (activeShaderProgramId <= 0) {
        return;
    }

    enable();
    boolean changed = true;
    Float val = prevValues.get(desc);
    if (val == null) {
        prevValues.put(desc, f);
    } else {
        changed = val != f;
    }
    if (changed) {
        prevValues.put(desc, f);
        int id = getUniformLocation(activeShaderProgramId, desc);
        GL20.glUniform1f(id, f);
    }
}

From source file:org.terasology.rendering.assets.Material.java

License:Apache License

public void setFloat(String desc, float f) {
    if (isDisposed())
        return;/*from w  w w .  j  a  v a2 s .com*/

    enable();
    int id = GL20.glGetUniformLocation(shaderProgram, desc);
    if (id != -1) {
        GL20.glUniform1f(id, f);
    }
}

From source file:org.terasology.rendering.opengl.GLSLMaterial.java

License:Apache License

@Override
public void setFloat(String desc, float f, boolean currentOnly) {
    if (isDisposed()) {
        return;//  www. j a  va  2  s  .  co m
    }
    if (currentOnly) {
        enable();
        int id = getUniformLocation(getActiveShaderProgramId(), desc);
        GL20.glUniform1f(id, f);
    } else {
        TIntIntIterator it = shaderPrograms.iterator();
        while (it.hasNext()) {
            it.advance();

            GL20.glUseProgram(it.value());
            int id = getUniformLocation(it.value(), desc);
            GL20.glUniform1f(id, f);
        }

        restoreStateAfterUniformsSet();
    }
}

From source file:org.terasology.rendering.particles.BlockParticle.java

License:Apache License

protected void renderParticle() {
    if (_displayLists[_blockType] == 0) {
        _displayLists[_blockType] = glGenLists(1);
        glNewList(_displayLists[_blockType], GL11.GL_COMPILE);
        drawParticle();//from   w w w .  j a  va2 s .co  m
        glEndList();
    }

    float lightValue = _parent.getParent().getRenderingLightValueAt(_position);

    // Apply biome and overall color offset
    FloatBuffer colorBuffer = BufferUtils.createFloatBuffer(3);
    Vector4f color = BlockManager.getInstance().getBlock(_blockType).calcColorOffsetFor(Block.SIDE.FRONT,
            _parent.getParent().getActiveTemperature(), _parent.getParent().getActiveHumidity());
    colorBuffer.put(color.x);
    colorBuffer.put(color.y);
    colorBuffer.put(color.z);
    colorBuffer.flip();

    int colorOffset = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("particle"),
            "colorOffset");
    int light = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("particle"), "light");
    int texOffsetX = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("particle"), "texOffsetX");
    int texOffsetY = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("particle"), "texOffsetY");
    GL20.glUniform1f(light, lightValue * _lightOffset);
    GL20.glUniform1f(texOffsetX, _texOffsetX);
    GL20.glUniform1f(texOffsetY, _texOffsetY);
    GL20.glUniform3(colorOffset, colorBuffer);

    glCallList(_displayLists[_blockType]);
}

From source file:org.terasology.rendering.physics.BulletPhysicsRenderer.java

License:Apache License

public void render() {
    _discreteDynamicsWorld.stepSimulation(Terasology.getInstance().getDelta() / 1000f);

    TextureManager.getInstance().bindTexture("terrain");
    ShaderManager.getInstance().enableShader("block");

    FloatBuffer colorBuffer = BufferUtils.createFloatBuffer(3);
    colorBuffer.put(1).put(1).put(1);/*from  w w  w. j a v a  2 s. c  om*/
    colorBuffer.flip();

    int textured = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("block"), "textured");
    GL20.glUniform1i(textured, 1);
    int colorOffset = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("block"), "colorOffset");
    GL20.glUniform3(colorOffset, colorBuffer);
    int lightRef = GL20.glGetUniformLocation(ShaderManager.getInstance().getShader("block"), "light");

    Player player = Terasology.getInstance().getActiveWorldRenderer().getPlayer();
    FloatBuffer mBuffer = BufferUtils.createFloatBuffer(16);
    float[] mFloat = new float[16];

    GL11.glPushMatrix();
    GL11.glTranslated(-player.getPosition().x, -player.getPosition().y, -player.getPosition().z);

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

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

        GL11.glPushMatrix();
        GL11.glMultMatrix(mBuffer);
        GL11.glScalef(0.5f, 0.5f, 0.5f);

        float lightValue = Terasology.getInstance().getActiveWorldRenderer()
                .getRenderingLightValueAt(new Vector3d(t.origin));
        GL20.glUniform1f(lightRef, lightValue);

        BlockManager.getInstance().getBlock(b.getType()).render();

        GL11.glPopMatrix();
    }

    GL11.glPopMatrix();

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

From source file:org.terasology.rendering.shader.ShaderProgram.java

License:Apache License

public void setFloat(String desc, float f) {
    enable();
    int id = GL20.glGetUniformLocation(shaderProgram, desc);
    GL20.glUniform1f(id, f);
}

From source file:ovh.tgrhavoc.gameengine.core.Shader.java

License:Open Source License

public void setUniformf(String name, float value) {
    GL20.glUniform1f(uniforms.get(name), value);
}

From source file:playn.java.JavaGL20.java

License:Apache License

@Override
public void glUniform1f(int location, float x) {
    GL20.glUniform1f(location, x);
}

From source file:processing.lwjgl.PGL.java

License:Open Source License

public void uniform1f(int loc, float value) {
    GL20.glUniform1f(loc, value);
}

From source file:processing.lwjgl.PLWJGL.java

License:Open Source License

public void uniform1f(int location, float value) {
    GL20.glUniform1f(location, value);
}