Example usage for org.lwjgl.opengl EXTFramebufferBlit glBlitFramebufferEXT

Introduction

In this page you can find the example usage for org.lwjgl.opengl EXTFramebufferBlit glBlitFramebufferEXT.

Prototype

public static native void glBlitFramebufferEXT(@NativeType("GLint") int srcX0, @NativeType("GLint") int srcY0,
            @NativeType("GLint") int srcX1, @NativeType("GLint") int srcY1, @NativeType("GLint") int dstX0,
            @NativeType("GLint") int dstY0, @NativeType("GLint") int dstX1, @NativeType("GLint") int dstY1,
            @NativeType("GLbitfield") int mask, @NativeType("GLenum") int filter);

Source Link

Usage

From source file:com.ardor3d.framework.lwjgl.LwjglHeadlessCanvas.java

License:Open Source License

public void draw() {
    // bind correct fbo
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
            _useMSAA ? _msfboID : _fboID);

    // Make sure this OpenGL context is current.
    ContextManager.switchContext(this);
    try {//w ww .  j a v  a  2  s . co m
        _buff.makeCurrent();
    } catch (final LWJGLException ex) {
        ex.printStackTrace();
    }

    // make sure camera is set
    if (Camera.getCurrentCamera() != _camera) {
        _camera.update();
    }
    _camera.apply(_renderer);

    // clear buffers
    GL11.glDisable(GL11.GL_SCISSOR_TEST);
    _renderer.clearBuffers(Renderer.BUFFER_COLOR | Renderer.BUFFER_DEPTH);

    // draw our scene
    _scene.renderUnto(_renderer);
    _renderer.flushFrame(false);

    // if we're multisampled, we need to blit to a non-multisampled fbo first
    if (_useMSAA) {
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferBlit.GL_DRAW_FRAMEBUFFER_EXT, _fboID);
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferBlit.GL_READ_FRAMEBUFFER_EXT, _msfboID);
        EXTFramebufferBlit.glBlitFramebufferEXT(0, 0, _settings.getWidth(), _settings.getHeight(), 0, 0,
                _settings.getWidth(), _settings.getHeight(),
                GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT | GL11.GL_STENCIL_BUFFER_BIT,
                GL11.GL_NEAREST);

        // get ready to read non-msaa fbo
        EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, _fboID);
    }

    // read data from our color buffer
    _data.rewind();
    GL11.glReadBuffer(EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT);
    GL11.glReadPixels(0, 0, _settings.getWidth(), _settings.getHeight(), GL12.GL_BGRA, GL11.GL_UNSIGNED_BYTE,
            _data);

    // release our FBO.
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
}

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

License:Open Source License

@Override
protected void blitMSFBO() {
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferBlit.GL_READ_FRAMEBUFFER_EXT, _msfboID);
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferBlit.GL_DRAW_FRAMEBUFFER_EXT, _fboID);
    EXTFramebufferBlit.glBlitFramebufferEXT(0, 0, _width, _height, 0, 0, _width, _height,
            GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT, GL11.GL_NEAREST);

    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferBlit.GL_READ_FRAMEBUFFER_EXT, 0);
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferBlit.GL_DRAW_FRAMEBUFFER_EXT, 0);
    EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 0);
}

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From source file:tk.ivybits.engine.gl.GL.java

License:Open Source License

public static void glBlitFramebuffer(int a, int b, int c, int d, int e, int f, int g, int h, int i, int j) {
    EXTFramebufferBlit.glBlitFramebufferEXT(a, b, c, d, e, f, g, h, i, j);
}

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