Examples with GL com.jogamp.opengl.GL used on opensource projects

Example 1 with GL

use of com.jogamp.opengl.GL in project jmonkeyengine by jMonkeyEngine.

the class JoglContext method determineMaxSamples.

protected int determineMaxSamples(int requestedSamples) {
    GL gl = GLContext.getCurrentGL();
    if (gl.hasFullFBOSupport()) {
        return gl.getMaxRenderbufferSamples();
    } else {
        if (gl.isExtensionAvailable("GL_ARB_framebuffer_object") || gl.isExtensionAvailable("GL_EXT_framebuffer_multisample")) {
            IntBuffer intBuf1 = IntBuffer.allocate(1);
            gl.glGetIntegerv(GL2GL3.GL_MAX_SAMPLES, intBuf1);
            return intBuf1.get(0);
        } else {
            return Integer.MAX_VALUE;
        }
    }
}

Example 2 with GL

use of com.jogamp.opengl.GL in project jmonkeyengine by jMonkeyEngine.

the class TextureUtil method uploadSubTexture.

/**
     * Update the texture currently bound to target at with data from the given Image at position x and y. The parameter
     * index is used as the zoffset in case a 3d texture or texture 2d array is being updated.
     *
     * @param image Image with the source data (this data will be put into the texture)
     * @param target the target texture
     * @param index the mipmap level to update
     * @param x the x position where to put the image in the texture
     * @param y the y position where to put the image in the texture
     */
public static void uploadSubTexture(Image image, int target, int index, int x, int y, boolean linearizeSrgb) {
    GL gl = GLContext.getCurrentGL();
    Image.Format fmt = image.getFormat();
    GLImageFormat glFmt = getImageFormatWithError(fmt, image.getColorSpace() == ColorSpace.sRGB && linearizeSrgb);
    ByteBuffer data = null;
    if (index >= 0 && image.getData() != null && image.getData().size() > 0) {
        data = image.getData(index);
    }
    int width = image.getWidth();
    int height = image.getHeight();
    int depth = image.getDepth();
    if (data != null) {
        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
    }
    int[] mipSizes = image.getMipMapSizes();
    int pos = 0;
    // TODO: Remove unneccessary allocation
    if (mipSizes == null) {
        if (data != null) {
            mipSizes = new int[] { data.capacity() };
        } else {
            mipSizes = new int[] { width * height * fmt.getBitsPerPixel() / 8 };
        }
    }
    int samples = image.getMultiSamples();
    for (int i = 0; i < mipSizes.length; i++) {
        int mipWidth = Math.max(1, width >> i);
        int mipHeight = Math.max(1, height >> i);
        int mipDepth = Math.max(1, depth >> i);
        if (data != null) {
            data.position(pos);
            data.limit(pos + mipSizes[i]);
        }
        // to remove the cumbersome if/then/else stuff below we'll update the pos right here and use continue after each
        // gl*Image call in an attempt to unclutter things a bit
        pos += mipSizes[i];
        int glFmtInternal = glFmt.internalFormat;
        int glFmtFormat = glFmt.format;
        int glFmtDataType = glFmt.dataType;
        if (glFmt.compressed && data != null) {
            if (target == GL2ES2.GL_TEXTURE_3D) {
                gl.getGL2ES2().glCompressedTexSubImage3D(target, i, x, y, index, mipWidth, mipHeight, mipDepth, glFmtInternal, data.limit(), data);
                continue;
            }
            // all other targets use 2D: array, cubemap, 2d
            gl.getGL2ES2().glCompressedTexSubImage2D(target, i, x, y, mipWidth, mipHeight, glFmtInternal, data.limit(), data);
            continue;
        }
        if (target == GL2ES2.GL_TEXTURE_3D) {
            gl.getGL2ES2().glTexSubImage3D(target, i, x, y, index, mipWidth, mipHeight, mipDepth, glFmtFormat, glFmtDataType, data);
            continue;
        }
        if (samples > 1) {
            throw new IllegalStateException("Cannot update multisample textures");
        }
        gl.glTexSubImage2D(target, i, x, y, mipWidth, mipHeight, glFmtFormat, glFmtDataType, data);
        continue;
    }
}

Example 3 with GL

use of com.jogamp.opengl.GL in project artisynth_core by artisynth.

the class GLTextRenderer method replaceSubTexture.

@Override
protected void replaceSubTexture(int x, int y, int width, int height, ByteBuffer buff) {
    GL gl = renderer.getGL();
    gl.glTexSubImage2D(texture.getTarget(), 0, x, y, width, height, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, buff);
    gl.glGenerateMipmap(texture.getTarget());
}

Example 4 with GL

use of com.jogamp.opengl.GL in project artisynth_core by artisynth.

the class GLViewer method init.

/**
 * Called any time GL context is switched! e.g. moving window to new display
 */
public void init(GLAutoDrawable drawable) {
    GL gl = drawable.getGL();
    String renderer = gl.glGetString(GL.GL_RENDERER);
    String version = gl.glGetString(GL.GL_VERSION);
    Logger logger = Logger.getSystemLogger();
    logger.info("GL Renderer: " + renderer);
    logger.info("OpenGL Version: " + version);
    setMultiSampleEnabled(true);
    myActiveColor = ActiveColor.DEFAULT;
}

Example 5 with GL

use of com.jogamp.opengl.GL in project jmonkeyengine by jMonkeyEngine.

the class TextureUtil method uploadTexture.

public static void uploadTexture(Image image, int target, int index, int border, boolean linearizeSrgb) {
    GL gl = GLContext.getCurrentGL();
    Image.Format fmt = image.getFormat();
    GLImageFormat glFmt = getImageFormatWithError(fmt, image.getColorSpace() == ColorSpace.sRGB && linearizeSrgb);
    ByteBuffer data;
    if (index >= 0 && image.getData() != null && image.getData().size() > 0) {
        data = image.getData(index);
    } else {
        data = null;
    }
    int width = image.getWidth();
    int height = image.getHeight();
    int depth = image.getDepth();
    if (data != null) {
        if (abgrToRgbaConversionEnabled) {
            convertABGRtoRGBA(data);
        }
        gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
    }
    int[] mipSizes = image.getMipMapSizes();
    int pos = 0;
    // TODO: Remove unneccessary allocation
    if (mipSizes == null) {
        if (data != null)
            mipSizes = new int[] { data.capacity() };
        else
            mipSizes = new int[] { width * height * fmt.getBitsPerPixel() / 8 };
    }
    boolean subtex = false;
    int samples = image.getMultiSamples();
    for (int i = 0; i < mipSizes.length; i++) {
        int mipWidth = Math.max(1, width >> i);
        int mipHeight = Math.max(1, height >> i);
        int mipDepth = Math.max(1, depth >> i);
        if (data != null) {
            data.position(pos);
            data.limit(pos + mipSizes[i]);
        }
        if (glFmt.compressed && data != null) {
            if (target == GL2ES2.GL_TEXTURE_3D) {
                gl.getGL2ES2().glCompressedTexImage3D(target, i, glFmt.internalFormat, mipWidth, mipHeight, mipDepth, data.remaining(), border, data);
            } else {
                //all other targets use 2D: array, cubemap, 2d
                gl.glCompressedTexImage2D(target, i, glFmt.internalFormat, mipWidth, mipHeight, data.remaining(), border, data);
            }
        } else {
            if (target == GL2ES2.GL_TEXTURE_3D) {
                gl.getGL2ES2().glTexImage3D(target, i, glFmt.internalFormat, mipWidth, mipHeight, mipDepth, border, glFmt.format, glFmt.dataType, data);
            } else if (target == GL2ES3.GL_TEXTURE_2D_ARRAY) {
                // or upload slice
                if (index == -1) {
                    gl.getGL2ES2().glTexImage3D(target, 0, glFmt.internalFormat, mipWidth, mipHeight, //# of slices
                    image.getData().size(), border, glFmt.format, glFmt.dataType, data);
                } else {
                    gl.getGL2ES2().glTexSubImage3D(target, // level
                    i, // xoffset
                    0, // yoffset
                    0, // zoffset
                    index, // width
                    width, // height
                    height, // depth
                    1, glFmt.format, glFmt.dataType, data);
                }
            } else {
                if (subtex) {
                    if (samples > 1) {
                        throw new IllegalStateException("Cannot update multisample textures");
                    }
                    gl.glTexSubImage2D(target, i, 0, 0, mipWidth, mipHeight, glFmt.format, glFmt.dataType, data);
                } else {
                    if (samples > 1) {
                        if (gl.isGL2GL3()) {
                            gl.getGL3().glTexImage2DMultisample(target, samples, glFmt.internalFormat, mipWidth, mipHeight, true);
                        }
                    } else {
                        gl.glTexImage2D(target, i, glFmt.internalFormat, mipWidth, mipHeight, border, glFmt.format, glFmt.dataType, data);
                    }
                }
            }
        }
        pos += mipSizes[i];
    }
}