Example usage for org.lwjgl.opengl GL30 GL_FRAMEBUFFER

List of usage examples for org.lwjgl.opengl GL30 GL_FRAMEBUFFER

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL30 GL_FRAMEBUFFER.

Prototype

int GL_FRAMEBUFFER

To view the source code for org.lwjgl.opengl GL30 GL_FRAMEBUFFER.

Click Source Link

Document

Accepted by the target parameter of BindFramebuffer, CheckFramebufferStatus, FramebufferTexture{1D|2D|3D}, FramebufferRenderbuffer, and GetFramebufferAttachmentParameteriv.

Usage

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

License:Open Source License

public void release() {
    if (framebuffer != INVALID_BUFFER) {
        if (useEXT)
            EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, SCREEN_BUFFER);
        else// w ww  .j av  a  2 s.  c  o m
            GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
        GL11.glViewport(0, 0, width, height);

    }
}

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();/*w  w  w .ja va  2s .  co  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.spoutcraft.api.gui.renderer.GuiRendererFBO.java

License:MIT License

@Override
public void initGui(Gui gui) {
    Minecraft mc = Minecraft.getMinecraft();
    int width = mc.displayWidth;
    int height = mc.displayHeight;
    TextureUtil.bind(guiTex);//from w  ww .  j  av a2s .  c om
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, width, height, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);
    TextureUtil.bind(0);

    GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, stencilBuff);
    GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL30.GL_DEPTH24_STENCIL8, width, height);
    GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, 0);

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbo);
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, guiTex, 0);
    GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
            stencilBuff);
    GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_STENCIL_ATTACHMENT, GL30.GL_RENDERBUFFER,
            stencilBuff);

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
}

From source file:org.spoutcraft.api.gui.renderer.GuiRendererFBO.java

License:MIT License

@Override
public void drawScreen(Gui gui, RootContainer root, int mouseX, int mouseY, float partialTick) {
    GL11.glPushAttrib(GL11.GL_STENCIL_BUFFER_BIT);
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, fbo);
    GL11.glClearColor(0, 0, 0, 0F);/*from  w w  w  . ja va 2  s  .c om*/
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT | GL11.GL_STENCIL_BUFFER_BIT);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_STENCIL_TEST);
    root.render();

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);

    TextureUtil.bind(guiTex);

    GL11.glDisable(GL11.GL_BLEND);
    Tessellator tes = Tessellator.instance;
    tes.startDrawingQuads();
    tes.addVertexWithUV(0, 0, 0, 0, 1);
    tes.addVertexWithUV(0, gui.height, 0, 0, 0);
    tes.addVertexWithUV(gui.width, gui.height, 0, 1, 0);
    tes.addVertexWithUV(gui.width, 0, 0, 1, 1);
    tes.draw();
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glPopAttrib();
}

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

License:Apache License

public LwjglFrameBufferObject(AssetUri uri, Vector2i size) {
    this.size = size;

    IntBuffer fboId = BufferUtils.createIntBuffer(1);
    GL30.glGenFramebuffers(fboId);//from w  w w.ja  v a2s.  com
    frame = fboId.get(0);

    Texture texture = generateTexture(uri);

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frame);
    GL30.glFramebufferTexture2D(GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D,
            texture.getId(), 0);

    int result = GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER);
    if (result != GL30.GL_FRAMEBUFFER_COMPLETE) {
        throw new IllegalStateException("Something went wrong with framebuffer! " + result);
    }

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
}

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

License:Apache License

@Override
public void unbindFrame() {
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    GL11.glViewport(vp.get(0), vp.get(1), vp.get(2), vp.get(3));

    glMatrixMode(GL_TEXTURE);//  w w w . jav  a  2 s . c o  m
    glLoadIdentity();
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0, Display.getWidth(), Display.getHeight(), 0, 0, 2048f);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

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

License:Apache License

@Override
public void bindFrame() {
    vp = BufferUtils.createIntBuffer(16);
    GL11.glGetInteger(GL11.GL_VIEWPORT, vp);

    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frame);
    GL11.glViewport(0, 0, size.x, size.y);

    glMatrixMode(GL_TEXTURE);/*from  ww  w. j  av a2  s  .c  om*/
    glLoadIdentity();
    glTranslatef(0.5f, 0.5f, 0.0f);
    glScalef(1, -1, 1);
    glTranslatef(-0.5f, -0.5f, 0.0f);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0, size.x, size.y, 0, 0, 2048f);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

From source file:se.angergard.engine.graphics.FrameBuffer.java

License:Apache License

public FrameBuffer(int width, int height, boolean hasDepth, boolean hasStencil) {
    this.width = width;
    this.height = height;

    if ((width + height) % 4 != 0.0) {
        new Exception("Width + Height must be divisible by 4");
    }/*  w w  w. j a  v  a2 s . c  o  m*/

    frameBufferID = GL30.glGenFramebuffers();
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferID);

    if (hasDepth && hasStencil) {
        depthAndStencilBufferID = GL30.glGenRenderbuffers();
        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, depthAndStencilBufferID);
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL30.GL_DEPTH24_STENCIL8, width, height);
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_STENCIL_ATTACHMENT,
                GL30.GL_RENDERBUFFER, depthAndStencilBufferID);
        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, 0);
    }

    else if (hasDepth) {
        depthBufferID = GL30.glGenRenderbuffers();
        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, depthBufferID);
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL30.GL_DEPTH_COMPONENT32F, width, height);
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER,
                depthBufferID);
        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, 0);
    }

    else if (hasStencil) {
        stencilBufferID = GL30.glGenRenderbuffers();
        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, stencilBufferID);
        GL30.glRenderbufferStorage(GL30.GL_RENDERBUFFER, GL30.GL_STENCIL_INDEX16, width, height);
        GL30.glFramebufferRenderbuffer(GL30.GL_FRAMEBUFFER, GL30.GL_STENCIL_ATTACHMENT, GL30.GL_RENDERBUFFER,
                stencilBufferID);
        GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, 0);
    }

    colorTexture = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, colorTexture);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, width, height, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, (ByteBuffer) null);

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

    int result = GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER);
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    if (result != GL30.GL_FRAMEBUFFER_COMPLETE) {
        if (result == GL30.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) {
            new Exception("Frame Buffer Error: incomplete attachment").printStackTrace();
        }
        if (result == GL30.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER) {
            new Exception("Frame Buffer Error: incomplete draw buffer").printStackTrace();
        }
        if (result == GL30.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) {
            new Exception("Frame Buffer Error: missing attachment").printStackTrace();
        }
        if (result == GL30.GL_FRAMEBUFFER_UNSUPPORTED) {
            new Exception("Frame Buffer Error: unsupported combination of formats").printStackTrace();
        }
        if (result == GL30.GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE) {
            new Exception("Frame Buffer Error: incomplete multisample").printStackTrace();
        }
        if (result == GL30.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER) {
            new Exception("Frame Buffer Error: incomplete read buffer").printStackTrace();
        }

        new Exception("frame buffer couldn't be constructed: unknown error " + result).printStackTrace();
    }
    RenderUtil.unbindFrameBuffer();
    RenderUtil.unbindTexture();

    frameBufferShader = new ShaderProgram().createDefault2DShader();
}

From source file:se.angergard.engine.graphics.FrameBuffer.java

License:Apache License

public void begin() {
    GL11.glViewport(0, 0, width, height);
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferID);
    RenderUtil.clearScreen();
}

From source file:se.angergard.engine.graphics.FrameBuffer.java

License:Apache License

public void end() {
    GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0);
    GL11.glViewport(0, 0, Display.getWidth(), Display.getHeight());
}