Example usage for org.lwjgl.opengl GL20 GL_CURRENT_PROGRAM

Introduction

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

Prototype

int GL_CURRENT_PROGRAM

To view the source code for org.lwjgl.opengl GL20 GL_CURRENT_PROGRAM.

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Document

Accepted by the pname parameter of GetInteger.

Usage

From source file:cn.lambdalib.util.client.shader.GLSLMesh.java

License:MIT License

@Override
public void draw(Material mat) {
    //System.out.println("Current program: " + GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM));
    mat.onRenderStage(RenderStage.START);
    mat.onRenderStage(RenderStage.TRANSFORM);
    mat.onRenderStage(RenderStage.BEFORE_TESSELLATE);
    draw(GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM));
    mat.onRenderStage(RenderStage.END);/* w w w  .j av a  2s. co m*/
}

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From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

public int getShaderProgram() {
    return GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
}

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From source file:fr.ign.cogit.geoxygene.appli.gl.GLContext.java

License:Open Source License

/**
 * set the given program as the current program in use (glUse) If the
 * requested program is already the current one: do nothing
 * //from  w w w  .  j  a v  a 2  s .  co m
 * @param program
 *            program instance
 * @return false on error
 */
public GLProgram setCurrentProgram(GLProgram program) throws GLException {
    if (program == null) {
        GL20.glUseProgram(0);
        RenderingStatistics.switchProgram();
        this.currentProgram = null;
        return null;
    }
    // check if the current program is already the requested one
    if (program == this.getCurrentProgram()) {
        return program;
    }
    if (GL20.glIsProgram(program.getProgramId()) == false) {
        logger.error("Program Id " + program.getProgramId() + " (" + program.getName()
                + ") is not a valid GL program");
        Thread.dumpStack();
        GL20.glUseProgram(0);
        this.currentProgram = null;
        return null;
    }
    GL20.glUseProgram(program.getProgramId());
    if (!GLTools.glCheckError("Use program '" + program.getName() + "' id = " + program.getProgramId())) {
        GL20.glUseProgram(0);
        this.currentProgram = null;
        return null;
    }
    RenderingStatistics.switchProgram();
    this.currentProgram = program;
    // check correctness
    if (GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM) != this.getCurrentProgram().getProgramId()
            || program.getProgramId() != this.getCurrentProgram().getProgramId()) {
        logger.info("Set program id to " + program.getProgramId());
        logger.info("Current program id to " + this.getCurrentProgram().getProgramId());
        logger.info("GL Current program id " + GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM));
        throw new GLException("Unable to set program id " + program.getProgramId() + " as current");
    }
    return program;
}

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From source file:itdelatrisu.opsu.render.CurveRenderState.java

License:Open Source License

/**
 * Backup the current state of the relevant OpenGL state and change it to
 * what's needed to draw the curve./*from  w w w .j a  va2  s .  c  o  m*/
 */
private RenderState startRender() {
    RenderState state = new RenderState();
    state.smoothedPoly = GL11.glGetBoolean(GL11.GL_POLYGON_SMOOTH);
    state.blendEnabled = GL11.glGetBoolean(GL11.GL_BLEND);
    state.depthEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_TEST);
    state.depthWriteEnabled = GL11.glGetBoolean(GL11.GL_DEPTH_WRITEMASK);
    state.texEnabled = GL11.glGetBoolean(GL11.GL_TEXTURE_2D);
    state.texUnit = GL11.glGetInteger(GL13.GL_ACTIVE_TEXTURE);
    state.oldProgram = GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
    state.oldArrayBuffer = GL11.glGetInteger(GL15.GL_ARRAY_BUFFER_BINDING);
    GL11.glDisable(GL11.GL_POLYGON_SMOOTH);
    GL11.glEnable(GL11.GL_BLEND);
    GL14.glBlendEquation(GL14.GL_FUNC_ADD);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthMask(true);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glEnable(GL11.GL_TEXTURE_1D);
    GL11.glBindTexture(GL11.GL_TEXTURE_1D, staticState.gradientTexture);
    GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_1D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);

    GL20.glUseProgram(0);

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glPushMatrix();
    GL11.glLoadIdentity();
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glPushMatrix();
    GL11.glLoadIdentity();

    return state;
}

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From source file:org.obsidianbox.obsidian.renderer.GuiRenderer.java

License:MIT License

@Override
public void render() {
    // Snapshot Minecraft rendering
    final int mcProgId = GL11.glGetInteger(GL20.GL_CURRENT_PROGRAM);
    final int mcVAID = GL11.glGetInteger(GL11.GL_VERTEX_ARRAY);

    updateScaledAttributes();// w ww.jav  a  2 s .  c o  m

    LWJGLUtil.checkForGLError();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    pipeline.run(context);
    GL11.glDisable(GL11.GL_BLEND);
    LWJGLUtil.checkForGLError();

    GL20.glUseProgram(mcProgId);
    GL30.glBindVertexArray(mcVAID);
    LWJGLUtil.checkForGLError();
}

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