Example usage for org.lwjgl.opengl EXTFramebufferObject GL_FRAMEBUFFER_COMPLETE_EXT

Introduction

In this page you can find the example usage for org.lwjgl.opengl EXTFramebufferObject GL_FRAMEBUFFER_COMPLETE_EXT.

Prototype

int GL_FRAMEBUFFER_COMPLETE_EXT

To view the source code for org.lwjgl.opengl EXTFramebufferObject GL_FRAMEBUFFER_COMPLETE_EXT.

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Document

Returned by CheckFramebufferStatusEXT().

Usage

From source file:com.ardor3d.renderer.lwjgl.LwjglTextureRenderer.java

License:Open Source License

/**
 * Check the currently bound FBO status for completeness. The passed in fboID is for informational purposes only.
 * //from   w ww .  j  a  v  a2s .  c  o  m
 * @param fboID
 *            an id to use for log messages, particularly if there are any issues.
 */
public static void checkFBOComplete(final int fboID) {
    final int status = EXTFramebufferObject
            .glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (status) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        throw new IllegalStateException(
                "FrameBuffer: " + fboID + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        throw new IllegalStateException("FrameBuffer: " + fboID
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        throw new IllegalStateException(
                "FrameBuffer: " + fboID + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        throw new IllegalStateException(
                "FrameBuffer: " + fboID + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        throw new IllegalStateException(
                "FrameBuffer: " + fboID + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        throw new IllegalStateException(
                "FrameBuffer: " + fboID + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_UNSUPPORTED_EXT:
        throw new IllegalStateException(
                "FrameBuffer: " + fboID + ", has caused a GL_FRAMEBUFFER_UNSUPPORTED_EXT exception.");
    case EXTFramebufferMultisample.GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT:
        throw new IllegalStateException("FrameBuffer: " + fboID
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT exception.");
    default:
        throw new IllegalStateException("Unexpected reply from glCheckFramebufferStatusEXT: " + status);
    }
}

---

From source file:com.flowpowered.caustic.lwjgl.gl20.GL20FrameBuffer.java

License:MIT License

@Override
public boolean isComplete() {
    checkCreated();//from w w w  . j  a  v  a  2s. co  m
    // Bind the frame buffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, id);
    // Fetch the status and compare to the complete enum value
    final boolean complete = EXTFramebufferObject.glCheckFramebufferStatusEXT(
            EXTFramebufferObject.GL_FRAMEBUFFER_EXT) == EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT;
    // Unbind the frame buffer
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
    // Check for errors
    LWJGLUtil.checkForGLError();
    return complete;
}

---

From source file:flash.display.BitmapData.java

License:Open Source License

public void applyFilter(final BitmapData sourceBitmapData, final Rectangle sourceRect, final Point destPoint,
        final BitmapFilter filter) {
    final int textureId = JITB$textureId();

    ////from  ww w .jav  a  2 s .co m
    // If this == sourceBitmapData we have to create a temporary buffer
    // as an input since we directly render to this BitmapData.
    //
    // Another case is when the filter is a ShaderFilter and it expects
    // an input which is also set to this.
    //

    final int bufferTextureId;

    //TODO this can be done in VRAM only
    bufferTextureId = glGenTextures();
    final ByteBuffer buffer = BufferUtils.createByteBuffer(width() * height() * 4);
    buffer.limit(buffer.capacity());
    glBindTexture(TextureUtil.mode(), bufferTextureId);
    glTexParameteri(TextureUtil.mode(), GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(TextureUtil.mode(), GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexImage2D(TextureUtil.mode(), 0, GL_RGBA, width(), height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);

    //
    // Create and bind FBO
    //

    final int fboId = EXTFramebufferObject.glGenFramebuffersEXT();

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fboId);

    //
    // Attach the current BitmapData as a texture to render to.

    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, TextureUtil.mode(),
            -1 == bufferTextureId ? textureId : bufferTextureId, 0);

    //
    // Check the health of our FBO
    //

    final int status = EXTFramebufferObject
            .glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);

    if (status != EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT) {
        throw new RuntimeException("Could not setup FBO.");
    }

    //
    // Start using FBO
    //

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fboId);
    glPushAttrib(GL_VIEWPORT_BIT);
    glViewport(0, 0, width(), height());

    //
    // Bind the source BitmapData as an input for the filter.
    //

    if (!rect().equals(sourceBitmapData.rect()) || !ORIGIN.equals(destPoint)) {
        glBindTexture(TextureUtil.mode(), JITB$textureId());
        rect().JITB$render(false);
    }

    glPushMatrix();
    glTranslated(destPoint.x, destPoint.y, 0.0);
    glBindTexture(TextureUtil.mode(), sourceBitmapData.JITB$textureId());

    //
    // Now run the filter with the given texture.
    //

    if (filter instanceof ShaderFilter) {
        ShaderFilter shaderFilter = ((ShaderFilter) filter);

        if (null != shaderFilter.shader()) {
            final ShaderInput[] inputs = shaderFilter.shader().data().JITB$inputs();

            if (inputs.length > 0) {
                inputs[0].input(this);
            }

            shaderFilter.shader().JITB$bind(0.0, 0.0, width(), height(), false);
        }

        sourceRect.JITB$render(false);

        if (null != shaderFilter.shader()) {
            shaderFilter.shader().JITB$unbind();
        }
    }

    glPopMatrix();

    //
    // Note: We can defer this step to the next _buffer access.
    //

    _buffer.clear();
    glReadPixels(0, 0, width(), height(), GL_RGBA, GL_UNSIGNED_BYTE, _buffer);
    _invalidated = -1 != bufferTextureId;

    //
    // Cleanup
    //

    glBindTexture(TextureUtil.mode(), 0);
    glPopAttrib();

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    EXTFramebufferObject.glDeleteFramebuffersEXT(fboId);

    if (-1 != bufferTextureId) {
        //
        // Exchange old texture for buffer.
        //

        glDeleteTextures(_textureId);
        _textureId = bufferTextureId;
    }
}

---

From source file:org.spout.engine.filesystem.resource.ClientRenderTexture.java

License:Open Source License

@Override
public void writeGPU() {
    if (framebuffer != INVALID_BUFFER) {
        throw new IllegalStateException("Framebuffer already created!");
    }//from w w w . j  a v  a2 s.c  om

    int buffers = 1;

    //Create the color buffer for this renderTexture
    textureID = GL11.glGenTextures();
    SpoutRenderer.checkGLError();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
    SpoutRenderer.checkGLError();

    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
    SpoutRenderer.checkGLError();
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    SpoutRenderer.checkGLError();
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, width, height, 0, GL11.GL_RGBA, GL11.GL_INT,
            (ByteBuffer) null); // Create the texture data
    SpoutRenderer.checkGLError();

    if (useNormalBuffer) {
        //Create the color buffer for this renderTexture
        normalTarget = GL11.glGenTextures();
        SpoutRenderer.checkGLError();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, normalTarget);
        SpoutRenderer.checkGLError();

        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        SpoutRenderer.checkGLError();
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        SpoutRenderer.checkGLError();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null); // Create the texture data
        SpoutRenderer.checkGLError();
        buffers++;
    }

    if (useDepthBuffer) {
        //Create the color buffer for this renderTexture
        depthTarget = GL11.glGenTextures();
        SpoutRenderer.checkGLError();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, depthTarget);
        SpoutRenderer.checkGLError();

        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        SpoutRenderer.checkGLError();
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        SpoutRenderer.checkGLError();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_DEPTH_COMPONENT, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, (ByteBuffer) null); // Create the texture data
        SpoutRenderer.checkGLError();
        buffers++;
    }

    if (useEXT) {
        framebuffer = EXTFramebufferObject.glGenFramebuffersEXT();
        SpoutRenderer.checkGLError();

        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
        SpoutRenderer.checkGLError();

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
        SpoutRenderer.checkGLError();

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, textureID, 0);
        SpoutRenderer.checkGLError();

        if (useDepthBuffer) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, depthTarget);
            SpoutRenderer.checkGLError();

            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, depthTarget, 0);
            SpoutRenderer.checkGLError();
        }

        if (useNormalBuffer) {

            GL11.glBindTexture(GL11.GL_TEXTURE_2D, normalTarget);
            SpoutRenderer.checkGLError();

            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, normalTarget, 0);
            SpoutRenderer.checkGLError();
        }

        if (EXTFramebufferObject.glCheckFramebufferStatusEXT(
                EXTFramebufferObject.GL_FRAMEBUFFER_EXT) != EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT) {
            System.out.println("ERROR: Framebuffer not complete");
            throw new ComputerIsPotatoException("Framebuffer not complete");
        }
        SpoutRenderer.checkGLError();
    } else {
        framebuffer = GL30.glGenFramebuffers();
        SpoutRenderer.checkGLError();

        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
        SpoutRenderer.checkGLError();

        IntBuffer drawBuffers = BufferUtils.createIntBuffer(buffers);
        drawBuffers.put(GL30.GL_COLOR_ATTACHMENT0);
        if (useNormalBuffer) {
            drawBuffers.put(GL30.GL_COLOR_ATTACHMENT1);
        }
        drawBuffers.flip();
        GL20.glDrawBuffers(drawBuffers);
        SpoutRenderer.checkGLError();

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
        SpoutRenderer.checkGLError();

        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D,
                textureID, 0);
        SpoutRenderer.checkGLError();

        if (useDepthBuffer) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, depthTarget);
            SpoutRenderer.checkGLError();

            GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL11.GL_TEXTURE_2D,
                    depthTarget, 0);
            SpoutRenderer.checkGLError();
        }
        if (useNormalBuffer) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, normalTarget);
            SpoutRenderer.checkGLError();

            GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT1, GL11.GL_TEXTURE_2D,
                    normalTarget, 0);
            SpoutRenderer.checkGLError();
        }

        int status = GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER);
        if (status != GL30.GL_FRAMEBUFFER_COMPLETE) {
            System.out.println("ERROR: Framebuffer not complete.  Status: " + status);
            throw new ComputerIsPotatoException("Framebuffer not complete");
        }
        SpoutRenderer.checkGLError();

        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
        SpoutRenderer.checkGLError();
    }
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    SpoutRenderer.checkGLError();
}

---

From source file:org.spout.engine.resources.ClientRenderTexture.java

License:Open Source License

@Override
public void writeGPU() {
    if (framebuffer != INVALID_BUFFER)
        throw new IllegalStateException("Framebuffer already created!");

    //Create the color buffer for this renderTexture
    textureID = GL11.glGenTextures();//www.  j a  va2  s. c o m
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);

    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, width, height, 0, GL11.GL_RGBA, GL11.GL_INT,
            (java.nio.ByteBuffer) null); // Create the texture data

    if (useEXT) {
        framebuffer = EXTFramebufferObject.glGenFramebuffersEXT();

        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, textureID, 0);

        if (useDepthBuffer) {
            depthTarget = GL30.glGenRenderbuffers();
            EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, depthTarget);
            EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    GL11.GL_DEPTH_COMPONENT, this.getWidth(), this.getHeight());
            EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    GL30.GL_DEPTH_ATTACHMENT, EXTFramebufferObject.GL_RENDERBUFFER_EXT, depthTarget);
        }

        if (EXTFramebufferObject.glCheckFramebufferStatusEXT(
                EXTFramebufferObject.GL_FRAMEBUFFER_EXT) != EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT) {
            System.out.println("ERROR: Framebuffer not complete");
            throw new ComputerIsPotatoException("Framebuffer not complete");
        }

    } else {
        framebuffer = GL30.glGenFramebuffers();
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);

        GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D,
                textureID, 0);

        if (useDepthBuffer) {
            depthTarget = GL30.glGenRenderbuffers();
            GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, depthTarget);
            GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL11.GL_DEPTH_COMPONENT, this.getWidth(),
                    this.getHeight());
            GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
                    depthTarget);
        }
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);

        if (GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER) != GL30.GL_FRAMEBUFFER_COMPLETE) {
            System.out.println("ERROR: Framebuffer not complete");
            throw new ComputerIsPotatoException("Framebuffer not complete");
        }

    }
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

}

---

From source file:org.terasology.logic.manager.DefaultRenderingProcess.java

License:Apache License

public FBO createFBO(String title, int width, int height, FBOType type, boolean depth, boolean normals) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);//from w w w. ja v a2 s .  c om

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo.width = width;
    fbo.height = height;

    // Create the color target texture
    fbo.textureId = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.textureId);

    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

    if (type != FBOType.NO_COLOR) {
        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }
    }

    if (depth) {
        // Generate the depth texture
        fbo.depthTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.depthTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, (java.nio.ByteBuffer) null);

        // Create depth render buffer object
        fbo.depthRboId = EXTFramebufferObject.glGenRenderbuffersEXT();
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, fbo.depthRboId);
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT24, width, height);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
    }

    if (normals) {
        // Generate the normals texture
        fbo.normalsTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    // Create the FBO
    fbo.fboId = EXTFramebufferObject.glGenFramebuffersEXT();
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.fboId);

    if (type != FBOType.NO_COLOR) {
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fbo.textureId, 0);
    }

    if (depth) {
        // Generate the depth render buffer and depth map texture
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo.depthRboId);
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, fbo.depthTextureId, 0);
    }

    if (normals) {
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, fbo.normalsTextureId, 0);
    }

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    if (type != FBOType.NO_COLOR) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    }
    if (normals) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT);
    }
    bufferIds.flip();
    GL20.glDrawBuffers(bufferIds);

    int checkFB = EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (checkFB) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");

        /*
         * On some graphics cards, FBOType.NO_COLOR can cause a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT.
         * Attempt to continue without this FBO.
         */
        if (type == FBOType.NO_COLOR) {
            logger.error("FrameBuffer: " + title
                    + ", ...but the FBOType was NO_COLOR, ignoring this error and continuing without this FBO.");

            taint("Got a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT because of FBOType.NO_COLOR.");
            return null;
        }
    default:
        throw new RuntimeException("Unexpected reply from glCheckFramebufferStatusEXT: " + checkFB);
    }

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    _FBOs.put(title, fbo);
    return fbo;
}

---

From source file:org.terasology.logic.manager.PostProcessingRenderer.java

License:Apache License

public FBO createFBO(String title, int width, int height, boolean hdr, boolean depth, boolean normals) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);// www .  ja va  2s.com

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo._width = width;
    fbo._height = height;

    // Create the color target texture
    fbo._textureId = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo._textureId);

    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

    if (hdr) {
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0, GL11.GL_RGBA,
                ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
    } else {
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
    }

    if (depth) {
        // Generate the depth texture
        fbo._depthTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo._depthTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);

        // Create depth render buffer object
        fbo._depthRboId = EXTFramebufferObject.glGenRenderbuffersEXT();
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, fbo._depthRboId);
        EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                GL14.GL_DEPTH_COMPONENT16, width, height);
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);
    }

    if (normals) {
        // Generate the normals texture
        fbo._normalsTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo._normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    // Create the FBO
    fbo._fboId = EXTFramebufferObject.glGenFramebuffersEXT();
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo._fboId);

    EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fbo._textureId, 0);

    if (depth) {
        // Generate the depth render buffer and depth map texture
        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo._depthRboId);
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, fbo._depthTextureId, 0);
    }

    if (normals) {
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, fbo._normalsTextureId, 0);
    }

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    if (normals) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT);
    }
    bufferIds.flip();
    GL20.glDrawBuffers(bufferIds);

    int framebuffer = EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (framebuffer) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");
    default:
        throw new RuntimeException("Unexpected reply from glCheckFramebufferStatusEXT: " + framebuffer);
    }

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    _FBOs.put(title, fbo);
    return fbo;
}

---

From source file:org.terasology.rendering.renderingProcesses.DefaultRenderingProcess.java

License:Apache License

public FBO createFBO(String title, int width, int height, FBOType type, boolean depthBuffer,
        boolean normalBuffer, boolean lightBuffer, boolean stencilBuffer) {
    // Make sure to delete the existing FBO before creating a new one
    deleteFBO(title);/*from   ww  w  . j  a  v a  2 s  . c  om*/

    // Create a new FBO object
    FBO fbo = new FBO();
    fbo.width = width;
    fbo.height = height;

    // Create the FBO
    fbo.fboId = EXTFramebufferObject.glGenFramebuffersEXT();
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.fboId);

    if (type != FBOType.NO_COLOR) {
        fbo.textureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.textureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT, GL11.GL_TEXTURE_2D, fbo.textureId, 0);
    }

    if (normalBuffer) {
        fbo.normalsTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.normalsTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT, GL11.GL_TEXTURE_2D, fbo.normalsTextureId, 0);
    }

    if (lightBuffer) {
        fbo.lightBufferTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.lightBufferTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (type == FBOType.HDR) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, ARBTextureFloat.GL_RGBA16F_ARB, width, height, 0,
                    GL11.GL_RGBA, ARBHalfFloatPixel.GL_HALF_FLOAT_ARB, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                    GL11.GL_UNSIGNED_BYTE, (java.nio.ByteBuffer) null);
        }

        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_COLOR_ATTACHMENT2_EXT, GL11.GL_TEXTURE_2D, fbo.lightBufferTextureId, 0);
    }

    if (depthBuffer) {
        fbo.depthStencilTextureId = GL11.glGenTextures();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.depthStencilTextureId);

        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
        GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

        if (!stencilBuffer) {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL14.GL_DEPTH_COMPONENT24, width, height, 0,
                    GL11.GL_DEPTH_COMPONENT, GL11.GL_UNSIGNED_INT, (java.nio.ByteBuffer) null);
        } else {
            GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, EXTPackedDepthStencil.GL_DEPTH24_STENCIL8_EXT, width,
                    height, 0, EXTPackedDepthStencil.GL_DEPTH_STENCIL_EXT,
                    EXTPackedDepthStencil.GL_UNSIGNED_INT_24_8_EXT, (java.nio.ByteBuffer) null);
        }

        fbo.depthStencilRboId = EXTFramebufferObject.glGenRenderbuffersEXT();
        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo.depthStencilRboId);

        if (!stencilBuffer) {
            EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    GL14.GL_DEPTH_COMPONENT24, width, height);
        } else {
            EXTFramebufferObject.glRenderbufferStorageEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                    EXTPackedDepthStencil.GL_DEPTH24_STENCIL8_EXT, width, height);
        }

        EXTFramebufferObject.glBindRenderbufferEXT(EXTFramebufferObject.GL_RENDERBUFFER_EXT, 0);

        EXTFramebufferObject.glFramebufferRenderbufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, EXTFramebufferObject.GL_RENDERBUFFER_EXT,
                fbo.depthStencilRboId);
        EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                EXTFramebufferObject.GL_DEPTH_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D, fbo.depthStencilTextureId, 0);

        if (stencilBuffer) {
            EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
                    EXTFramebufferObject.GL_STENCIL_ATTACHMENT_EXT, GL11.GL_TEXTURE_2D,
                    fbo.depthStencilTextureId, 0);
        }
    }

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    IntBuffer bufferIds = BufferUtils.createIntBuffer(3);
    if (type != FBOType.NO_COLOR) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    }
    if (normalBuffer) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT1_EXT);
    }
    if (lightBuffer) {
        bufferIds.put(EXTFramebufferObject.GL_COLOR_ATTACHMENT2_EXT);
    }
    bufferIds.flip();

    if (bufferIds.limit() == 0) {
        GL11.glReadBuffer(GL11.GL_NONE);
        GL20.glDrawBuffers(GL11.GL_NONE);
    } else {
        GL20.glDrawBuffers(bufferIds);
    }

    int checkFB = EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT);
    switch (checkFB) {
    case EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT:
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
        logger.error("FrameBuffer: " + title
                + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_UNSUPPORTED_EXT:
        logger.error("FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_UNSUPPORTED_EXT exception");
        break;
    case EXTFramebufferObject.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
        logger.error(
                "FrameBuffer: " + title + ", has caused a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT exception");

        /*
         * On some graphics cards, FBOType.NO_COLOR can cause a GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT.
         * Attempt to continue without this FBO.
         */
        if (type == FBOType.NO_COLOR) {
            logger.error("FrameBuffer: " + title
                    + ", ...but the FBOType was NO_COLOR, ignoring this error and continuing without this FBO.");

            return null;
        }

        break;
    default:
        logger.error("Unexpected reply from glCheckFramebufferStatusEXT: " + checkFB);
        break;
    }

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);

    FBOs.put(title, fbo);
    return fbo;
}

---

From source file:vendalenger.kondion.kobj.GKO_DeferredPass.java

License:Apache License

public void render() {
    if (!sizeOverride) {
        // No multiple window support yet!
        width = Window.getWidth();
        height = Window.getHeight();
    }//from  ww  w.  j  a  va 2  s.c om
    if (!ready) {
        if (!framebuffered) {
            generate();
            framebuffered = true;
        }
        //glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
        //      GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, drbId);
        ready = EXTFramebufferObject.glCheckFramebufferStatusEXT(
                GL_FRAMEBUFFER_EXT) == EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT;

    } else {
        glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
        if (Kondion.showPrespective) {
            //System.out.println("b4: " + ducks.remaining());

            //System.out.println("after: " + ducks.remaining());

            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboId);
            ducks.position(0);
            glDrawBuffers(ducks);

            //System.out.println(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT));
            //System.out.println(GL_FRAMEBUFFER_COMPLETE_EXT);
            glClearColor(Kondion.getWorld().skyColor.x, Kondion.getWorld().skyColor.y,
                    Kondion.getWorld().skyColor.z, Kondion.getWorld().skyColor.w);
            glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

            if (cameraOverride && camera != null)
                TTT.three(camera, width, height);
            else
                TTT.three(width, height);

            //glPushMatrix();
            //new KMat_Monotexture().bind(30);
            //KLoader.textures.get("neat").bind();
            //glTranslatef(-getCamera().actTransform.m30, -getCamera().actTransform.m31 + 10, -getCamera().actTransform.m32);
            //KLoader.obj.get("kaytrav").draw();
            //glPopMatrix();

            for (int i = 0; i < items.size(); i++) {
                if (!items.get(i).killMe) {
                    if (!items.get(i).hidden) {
                        items.get(i).render(30, this);
                    }

                } else {
                    System.out.println("Remove: " + i);
                    items.remove(i);
                    i--;
                }
            }

            glViewport(0, 0, width, height);
            glMatrixMode(GL_PROJECTION);
            glLoadIdentity();

            glOrtho(0, width, height, 0, 6.0f, -6.0f);
            glMatrixMode(GL_MODELVIEW);
            glLoadIdentity();

            glDepthMask(false);
            glDisable(GL_DEPTH_TEST);

            glActiveTexture(GL_TEXTURE0); // Diffuse
            glEnable(GL_TEXTURE_2D);
            glBindTexture(GL_TEXTURE_2D, dffId);
            glActiveTexture(GL_TEXTURE1); // Depth
            glEnable(GL_TEXTURE_2D);
            glBindTexture(GL_TEXTURE_2D, depId);
            glActiveTexture(GL_TEXTURE2); // Normals
            glEnable(GL_TEXTURE_2D);
            glBindTexture(GL_TEXTURE_2D, nrmId);
            glActiveTexture(GL_TEXTURE3); // Brightness
            glEnable(GL_TEXTURE_2D);
            glBindTexture(GL_TEXTURE_2D, briId);
            GLDrawing.setCoords(new float[] { 1, 1, 0, 1, 0, 0, 1, 0 });
            glTranslatef(width / 2, height / 2, 0);
            for (KObj_Renderable light : lights) {
                ((RKO_Light) light).apply(width, height);
            }
            program.useProgram();
            glUniform4f(skyUni, Kondion.getWorld().skyColor.x, Kondion.getWorld().skyColor.y,
                    Kondion.getWorld().skyColor.z, Kondion.getWorld().skyColor.w);
            glUniform1f(fogUni, 1f);
            GLDrawing.renderQuad(width, height);
            glTranslatef(-width / 2, -height / 2, 0);
            KShader.unbind();
            glActiveTexture(GL_TEXTURE0);
            glBindTexture(GL_TEXTURE_2D, 0);
            glActiveTexture(GL_TEXTURE1);
            glBindTexture(GL_TEXTURE_2D, 0);
            glActiveTexture(GL_TEXTURE2);
            glBindTexture(GL_TEXTURE_2D, 0);
            glActiveTexture(GL_TEXTURE3);
            glBindTexture(GL_TEXTURE_2D, 0);
            glActiveTexture(GL_TEXTURE0);

            glDepthMask(true);

            glViewport(0, 0, Window.getWidth(), Window.getHeight());
        }
    }
}

---

From source file:vendalenger.kondion.kobj.GKO_RenderPass.java

License:Apache License

public void render() {
    if (!sizeOverride) {
        // No multiple window support yet!
        width = Window.getWidth();
        height = Window.getHeight();
    }//from  w  ww . j a v  a2 s.c o  m
    if (typechanged) {
        glDeleteTextures(texId);
        GL30.glDeleteRenderbuffers(drbId);
        reFB();
        typechanged = false;
    }
    if (!ready) {
        if (!framebuffered) {
            fboId = glGenFramebuffersEXT();
            reFB();
            framebuffered = true;
        }
        //glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
        //      GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, drbId);
        ready = EXTFramebufferObject.glCheckFramebufferStatusEXT(
                GL_FRAMEBUFFER_EXT) == EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT;
        System.out.println("Create Buffers for Render Pass");

    } else {
        if (Kondion.showPrespective) {
            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboId);
            glClearColor(Kondion.getWorld().skyColor.x, Kondion.getWorld().skyColor.y,
                    Kondion.getWorld().skyColor.z, Kondion.getWorld().skyColor.w);

            glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,
                    drbId);

            glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

            if (cameraOverride && camera != null)
                TTT.three(camera, width, height);
            else
                TTT.three();

            boolean deep = depthMask != null;
            if (deep) {
                glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D,
                        ((GKO_DeferredPass) depthMask).depId, 0);
            }

            //glPushMatrix();
            //new KMat_Monotexture().bind(type);
            //KLoader.textures.get("neat").bind();
            //glTranslatef(-getCamera().actTransform.m30, -getCamera().actTransform.m31 + 10, -getCamera().actTransform.m32);
            //Kondion.km.draw();
            //glPopMatrix();

            for (int i = 0; i < items.size(); i++) {
                if (!items.get(i).killMe) {
                    if (!items.get(i).hidden) {
                        items.get(i).render(type, this);
                    }

                } else {
                    System.out.println("Remove: " + i);
                    items.remove(i);
                    i--;
                }
            }

            glDepthMask(true);
        }
        //glDisable(GL_DEPTH_TEST);
        /*for (KObj_Renderable kobj : items) {
           if (kobj instanceof KObj_Oriented) {
              ((KObj_Oriented) kobj).updateB();
              if (Kondion.showPrespective && kobj instanceof KObj_Renderable)
          ((KObj_Renderable) kobj).render(type);
           }
        }*/
    }
}

---

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