Example usage for org.lwjgl.opengl GL30 glBlitFramebuffer

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

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Introduction

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

Prototype

public static void glBlitFramebuffer(@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

Document

Copies a block of pixels from the read framebuffer to the draw framebuffer.

Usage

From source file:com.badlogic.gdx.backends.jglfw.JglfwGL30.java

License:Apache License

@Override
public void glBlitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1,
        int dstY1, int mask, int filter) {
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}

From source file:com.microsoft.Malmo.MissionHandlers.VideoProducerImplementation.java

License:Open Source License

@Override
public void getFrame(MissionInit missionInit, ByteBuffer buffer) {
    if (!this.videoParams.isWantDepth()) {
        getRGBFrame(buffer); // Just return the simple RGB, 3bpp image.
        return;/*from w ww .  j  ava  2  s . co m*/
    }

    // Otherwise, do the work of extracting the depth map:
    final int width = this.videoParams.getWidth();
    final int height = this.videoParams.getHeight();

    GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER,
            Minecraft.getMinecraft().getFramebuffer().framebufferObject);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, this.fbo.framebufferObject);
    GL30.glBlitFramebuffer(0, 0, Minecraft.getMinecraft().getFramebuffer().framebufferWidth,
            Minecraft.getMinecraft().getFramebuffer().framebufferHeight, 0, 0, width, height,
            GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT, GL11.GL_NEAREST);

    this.fbo.bindFramebuffer(true);
    glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
    glReadPixels(0, 0, width, height, GL_DEPTH_COMPONENT, GL_FLOAT, this.depthBuffer);
    this.fbo.unbindFramebuffer();

    // Now convert the depth buffer into values from 0-255 and copy it over the alpha channel.
    // We either use the min and max values supplied in order to scale it, or we scale it according
    // to the dynamic content:
    float minval, maxval;

    // The scaling section is optional (since the depthmap is optional) - so if there is no depthScaling object,
    // go with the default of autoscale.
    if (this.videoParams.getDepthScaling() == null || this.videoParams.getDepthScaling().isAutoscale()) {
        minval = 1;
        maxval = 0;
        for (int i = 0; i < width * height; i++) {
            float f = this.depthBuffer.get(i);
            if (f < minval)
                minval = f;
            if (f > maxval)
                maxval = f;
        }
    } else {
        minval = this.videoParams.getDepthScaling().getMin().floatValue();
        maxval = this.videoParams.getDepthScaling().getMax().floatValue();
        if (minval > maxval) {
            // You can't trust users.
            float t = minval;
            minval = maxval;
            maxval = t;
        }
    }
    float range = maxval - minval;
    if (range < 0.000001)
        range = 0.000001f; // To avoid divide by zero errors in cases where there is no depth variance
    float scale = 255 / range;
    for (int i = 0; i < width * height; i++) {
        float f = this.depthBuffer.get(i);
        f = (f < minval ? minval : (f > maxval ? maxval : f));
        f -= minval;
        f *= scale;
        buffer.put(i * 4 + 3, (byte) f);
    }
    // Reset depth buffer ready for next read:
    this.depthBuffer.clear();
}

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

License:Open Source License

/**
 * Blits the currently bound read buffer into the bound draw frame buffer.
 * Assumes the buffers are of equal dimensions and have compatible formats.
 * /* w w  w .  j  a v a  2s  .  c  om*/
 * @param width The width of both buffers.
 * @param height The height of both buffers.
 * @param mask The bitwise OR of the flags indicating which buffers are to
 *        be copied. The allowed flags are GL_COLOR_BUFFER_BIT,
 *        GL_DEPTH_BUFFER_BIT and GL_STENCIL_BUFFER_BIT.
 */
public static void blitFBO(int width, int height, int mask) {
    GL30.glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, mask, GL11.GL_NEAREST);
}

From source file:com.xrbpowered.gl.res.buffers.RenderTarget.java

License:Open Source License

public static void blit(RenderTarget source, RenderTarget target, boolean filter) {
    GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER, source.fbo);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, target.fbo);
    //      System.out.printf("[%d] %dx%d -> [%d] %dx%d\n", source.fbo, source.getWidth(), source.getHeight(), target.fbo, target.getWidth(), target.getHeight());
    GL30.glBlitFramebuffer(0, 0, source.getWidth(), source.getHeight(), 0, 0, target.getWidth(),
            target.getHeight(), GL11.GL_COLOR_BUFFER_BIT, filter ? GL11.GL_LINEAR : GL11.GL_NEAREST);
    Client.checkError();/*from   w w w .  j  ava  2s . c om*/
}

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

License:Open Source License

@Override
public void blitFBO(int srcFboId, int dstFboId, int srcX0, int srcY0, int srcX1, int srcY1, int dstX0,
        int dstY0, int dstX1, int dstY1) {
    GL30.glBindFramebuffer(GL30.GL_READ_FRAMEBUFFER, srcFboId);
    GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, dstFboId);
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, GL11.GL_COLOR_BUFFER_BIT,
            GL11.GL_NEAREST);/* ww w.  j av a 2 s.  c  o m*/
}

From source file:io.root.gfx.glutils.GL.java

License:Apache License

public static void glBlitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0,
        int dstX1, int dstY1, int mask, int filter) {
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}

From source file:jpcsp.graphics.RE.RenderingEngineLwjgl.java

License:Open Source License

@Override
public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1,
        int dstY1, int mask, int filter) {
    int maskGL = 0;
    for (int i = 0; i < buffersMaskToGL.length; i++, mask >>= 1) {
        if ((mask & 1) != 0) {
            maskGL |= buffersMaskToGL[i];
        }//  ww  w .j  a  v  a  2  s  .  c o  m
    }
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, maskGL,
            mipmapFilterToGL[filter]);
}

From source file:net.smert.frameworkgl.opengl.helpers.FrameBufferObjectHelper.java

License:Apache License

public void blit(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1,
        int mask, int filter) {
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}

From source file:processing.lwjgl.PGL.java

License:Open Source License

public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1,
        int dstY1, int mask, int filter) {
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}

From source file:processing.opengl.PLWJGL.java

License:Open Source License

@Override
public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1,
        int dstY1, int mask, int filter) {
    GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}