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:com.grillecube.client.opengl.GLProgram.java

protected void loadUniformFloat(int location, float value) {
    GL20.glUniform1f(location, value);
}

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From source file:com.opengrave.og.base.RenderableParticles.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    dealWithChange();//  w  w  w  . j av a2 s .c  om
    if (matList == null || !matList.valid()) {
        return;
    }
    GL30.glBindVertexArray(idVao);
    int pID = Resources.loadShader("particle.vs", "particle.fs").getProgram();
    GL20.glUseProgram(pID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    GL20.glBindAttribLocation(pID, 0, "in_Position");
    GL20.glBindAttribLocation(pID, 1, "in_Colour");
    GL20.glBindAttribLocation(pID, 2, "in_Scale");
    Util.checkErr();
    int texture = GL20.glGetUniformLocation(pID, "tex");
    GL20.glUniform1i(texture, 0);
    int wSS = GL20.glGetUniformLocation(pID, "windowSizeScale");

    GL20.glUniform1f(wSS, getContext().width / 1024f);
    getContext().setMatrices(pID, matrix);
    if (matList != null && matList.valid()) {
        matList.bind(pID, GL13.GL_TEXTURE0);
    }
    GL11.glEnable(GL20.GL_POINT_SPRITE);
    GL11.glEnable(GL20.GL_VERTEX_PROGRAM_POINT_SIZE);
    GL11.glDepthMask(false);
    GL11.glDrawArrays(GL11.GL_POINTS, 0, size);
    GL11.glDepthMask(true);
    GL11.glDisable(GL20.GL_POINT_SPRITE);
    GL11.glDisable(GL20.GL_VERTEX_PROGRAM_POINT_SIZE);

    if (matList != null && matList.valid()) {
        matList.unbind();
    }
    Util.checkErr();

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);

    Util.checkErr();

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
    Util.checkErr();
}

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From source file:com.opengrave.og.base.RenderableParticles.java

License:Open Source License

@Override
public void renderForPicking(Matrix4f matrix, Pickable object) {
    dealWithChange();//from w  w w  .j  a v a  2s . c  o m
    GL30.glBindVertexArray(idVao);
    int pID = Resources.loadShader("particle.vs", "pickingmodel.fs").getProgram();
    GL20.glUseProgram(pID);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(2);
    GL20.glBindAttribLocation(pID, 0, "in_Position");
    GL20.glBindAttribLocation(pID, 2, "in_Scale");
    Util.checkErr();

    int wSS = GL20.glGetUniformLocation(pID, "windowSizeScale");

    GL20.glUniform1f(wSS, MainThread.lastW / 1024f);
    getContext().setMatrices(pID, matrix);
    GL11.glEnable(GL20.GL_POINT_SPRITE);
    GL11.glEnable(GL20.GL_VERTEX_PROGRAM_POINT_SIZE);
    Picking.registerObject(pID, getContext(), object);
    GL11.glDrawArrays(GL11.GL_POINTS, 0, size);
    GL11.glDisable(GL20.GL_POINT_SPRITE);
    GL11.glDisable(GL20.GL_VERTEX_PROGRAM_POINT_SIZE);

    Util.checkErr();

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(2);

    Util.checkErr();

    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
    Util.checkErr();
}

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From source file:com.opengrave.og.base.RenderablePoints.java

License:Open Source License

@Override
public void render(Matrix4f matrix, RenderStyle style) {
    Util.checkErr();/*w  ww.  j ava2s .c  o m*/

    dealWithChange();
    if (!visible) {
        return;
    }
    if (vertCount == 0) {
        return;
    }
    Util.checkErr();
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    Util.checkErr();
    GL11.glPointSize(3f);
    Util.checkErr();
    int pID = Resources.loadShader("particle.vs", "particle.fs").getProgram();
    Util.checkErr();
    GL20.glUseProgram(pID);
    Util.checkErr();
    if (pID == 0) {
        return;
    }
    Util.checkErr();
    GL30.glBindVertexArray(vaoID);
    Util.checkErr();
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    Util.checkErr();
    int wSS = GL20.glGetUniformLocation(pID, "windowSizeScale");

    GL20.glUniform1f(wSS, MainThread.lastW / 1024f);

    getContext().setMatrices(pID, matrix);
    Util.checkErr();

    if (tex != null) {
        tex.bind(GL13.GL_TEXTURE0);
    }
    GL11.glEnable(GL20.GL_POINT_SPRITE);
    GL11.glEnable(GL20.GL_VERTEX_PROGRAM_POINT_SIZE);
    GL11.glDrawArrays(GL11.GL_POINTS, 0, vertCount);

    GL11.glDisable(GL20.GL_POINT_SPRITE);
    GL11.glDisable(GL20.GL_VERTEX_PROGRAM_POINT_SIZE);
    if (tex != null) {
        tex.unbind();
    }
    Util.checkErr();

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    Util.checkErr();

    GL30.glBindVertexArray(0);
    GL20.glUseProgram(0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
    Util.checkErr();
    GL11.glEnable(GL11.GL_DEPTH_TEST);
}

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From source file:com.opengrave.og.engine.RenderView.java

License:Open Source License

public void bindLights(int pID, int texture) {
    GL20.glUseProgram(pID);/*from   w w  w. j  ava 2 s .  c  o m*/
    int lights = MainThread.config.getInteger("lightCount", 16);
    int showShadows = GL20.glGetUniformLocation(pID, "showShadows");
    GL20.glUniform1i(showShadows, hasshadows ? 1 : 0);
    Util.checkErr();
    if (cam instanceof FlyByCamera) {
        int eyepos = GL20.glGetUniformLocation(pID, "eyepos");
        Util.checkErr();
        Location camL = ((FlyByCamera) cam).getCameraLocation();
        Util.checkErr();
        GL20.glUniform3f(eyepos, camL.getFullXAsFloat(), camL.getFullYAsFloat(), camL.getZ());
        Util.checkErr();
    }
    if (hasshadows) {
        int lightDir = GL20.glGetUniformLocation(pID, "sunDir");
        Vector3f dir = sceneNode.getSkyLight().getDirection().normalise(null);
        GL20.glUniform3f(lightDir, dir.x, dir.y, dir.z);
        int sunStr = GL20.glGetUniformLocation(pID, "sunStr");
        GL20.glUniform1f(sunStr, sceneNode.getSkyLight().getIntensity());
    }
    if (!shadows) {
        return;
    }

    int lightCount = GL20.glGetUniformLocation(pID, "lightCount");
    GL20.glUniform1i(lightCount, lights);

    if (lights < 4) {
        lights = 4;
    }
    for (int i = 0; i < lights; i++) {
        ShadowCube ls;
        if (i >= lightShadows.size()) {
            ls = new ShadowCube(MainThread.config.getInteger("shadowSize", 1024));
            lightShadows.add(ls);
        }
        ls = lightShadows.get(i);
        if (ls == null) {
            continue;
        }
        PointLightNode light = ls.getLight();
        if (light == null) {
            continue;
        }
        int cube = GL20.glGetUniformLocation(pID, "cube" + i);
        int lightcolour = GL20.glGetUniformLocation(pID, "lights[" + i + "].colour");
        int lightposition = GL20.glGetUniformLocation(pID, "lights[" + i + "].position");
        int lightpower = GL20.glGetUniformLocation(pID, "lights[" + i + "].power");
        Vector3f loc = light.getPosition().toVector3();
        if (cam != null) {
            // loc = light.getPosition().minus(cam.getLocation());
            // loc = cam.minus(light.getPosition());
        }
        Util.checkErr();
        // Only upload a shadow texture location if we're having shadows for
        // the light. Basic has lights but no shadows
        if (i < showShadows) {
            GL20.glUniform1i(cube, texture + i - GL13.GL_TEXTURE0);
            ls.getFramebuffer().bindDepthTexture(texture + i);
        }
        Util.checkErr();
        GL20.glUniform4f(lightcolour, light.getColour().x, light.getColour().y, light.getColour().z,
                light.getColour().w);
        Util.checkErr();
        GL20.glUniform4f(lightposition, loc.x, loc.y, loc.z, 1f);
        Util.checkErr();
        GL20.glUniform1f(lightpower, light.getPower());
        Util.checkErr();
        Util.checkErr();
    }
}

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From source file:com.opengrave.og.Util.java

License:Open Source License

public static void loadMaterials(MaterialList matList, int pID) {
    int i = 0;/*ww  w. ja v a  2 s.  c  om*/
    for (Material m : matList.all()) {
        int locCol1 = GL20.glGetUniformLocation(pID, "material[" + i + "].colour");
        int locTex = GL20.glGetUniformLocation(pID, "material[" + i + "].textureindex");
        int locDTex = GL20.glGetUniformLocation(pID, "material[" + i + "].texturedataindex");

        /*
         * if (locCol == -1) { throw new
         * RuntimeException("No Material Colour location"); } if (locTex ==
         * -1) { throw new RuntimeException("No Material Texture location");
         * }
         */
        GL20.glUniform4f(locCol1, m.getColour().x, m.getColour().y, m.getColour().z, m.getColour().w);
        GL20.glUniform1f(locTex, (float) m.getTextureIndex());
        GL20.glUniform1f(locDTex, (float) m.getTextureDataIndex());

        i++;
    }
}

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From source file:com.redthirddivision.quad.rendering.shaders.Shader.java

License:Apache License

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

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From source file:com.samrj.devil.gl.ShaderProgram.java

License:Open Source License

/**
 * Specifies the value of a uniform variable for this program. Program must
 * be in use. Returns true if and only if the uniform exists and is active.
 * /*from  w  ww. ja  v  a  2 s .  co m*/
 * @param name The name of the uniform to specify.
 * @param x The value to set the uniform to.
 * @return Whether or not the uniform exists and is active.
 */
public boolean uniform1f(String name, float x) {
    if (DGL.currentProgram() != this)
        throw new IllegalStateException("Program must be in use.");
    int loc = GL20.glGetUniformLocation(id, name);
    if (loc < 0)
        return false;
    GL20.glUniform1f(loc, x);
    return true;
}

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From source file:com.sgflt.ShaderManager.ShaderManager.java

License:Apache License

/**
 * Pass a float to the active shader. The shader to which the value will be passed must be bound.
 * //from   ww w.  j  av a2 s . c o  m
 * @param varName Name of the variable that is in the shader program. Must be an exact match.
 * @param x Primitive float to be passed to the shader.
 */
public void putFloat(String varName, float x) {
    if (activeShader != null) {
        int location = GL20.glGetUniformLocation(activeShader.shaderProgram, varName);
        GL20.glUniform1f(location, x);
    }
}

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From source file:com.xrbpowered.gl.examples.GLFractal.java

License:Open Source License

@Override
protected void setupResources() {
    super.setupResources();
    palette = new Texture("palette.png");
    shader = new PostProcessShader("post_fractal_f.glsl") {
        private int aspectLocation;
        private int pivotLocation;
        private int zoomLocation;
        private int maxiLocation;

        @Override/*from  w  w w .j  a  v a  2 s  .  c  o m*/
        protected void storeUniformLocations() {
            super.storeUniformLocations();
            aspectLocation = GL20.glGetUniformLocation(pId, "aspect");
            pivotLocation = GL20.glGetUniformLocation(pId, "pivot");
            zoomLocation = GL20.glGetUniformLocation(pId, "zoom");
            maxiLocation = GL20.glGetUniformLocation(pId, "maxi");
            GL20.glUseProgram(pId);
            GL20.glUniform1i(GL20.glGetUniformLocation(pId, "palette"), 0);
            GL20.glUseProgram(0);
        }

        @Override
        public void updateUniforms() {
            super.updateUniforms();
            GL20.glUniform1f(aspectLocation, (float) Display.getWidth() / (float) Display.getHeight());
            GL20.glUniform2f(pivotLocation, pivotx, pivoty);
            GL20.glUniform1f(zoomLocation, zoom);
            GL20.glUniform1i(maxiLocation, maxi);
        }
    };
    uiDebugPane.setVisible(false);
    resetBuffer();
}

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