Example usage for com.google.gwt.corp.webgl.client WebGL GL_TEXTURE_2D

Introduction

In this page you can find the example usage for com.google.gwt.corp.webgl.client WebGL GL_TEXTURE_2D.

Prototype

int GL_TEXTURE_2D

To view the source code for com.google.gwt.corp.webgl.client WebGL GL_TEXTURE_2D.

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Usage

From source file:jake2.gwt.client.GwtWebGLRenderer.java

License:Open Source License

public void setPicDataHighLevel(image_t image, ImageElement img) {
    image.has_alpha = true;/*from  ww w . j a va 2 s .  c  o  m*/
    image.complete = true;
    image.height = img.getHeight();
    image.width = img.getWidth();

    boolean mipMap = image.type != jake2.qcommon.QuakeImage.it_pic
            && image.type != jake2.qcommon.QuakeImage.it_sky;

    GL_Bind(image.texnum);

    // canvas does not seem to work for texImage2d
    // GenertateMipmap does not seem to work at all.....

    if (mipMap) {
        int p2w = 1 << ((int) Math.ceil(Math.log(image.width) / Math.log(2)));
        int p2h = 1 << ((int) Math.ceil(Math.log(image.height) / Math.log(2)));

        if (canvas1.getWidth() < p2w) {
            canvas1.setWidth(p2w);
        }
        if (canvas1.getHeight() < p2h) {
            canvas1.setHeight(p2h);
        }

        image.width = image.upload_width = p2w;
        image.height = image.upload_height = p2h;

        //         int level = 0;
        //
        //         if (bb.capacity() < p2h * p2w * 4) {
        //            bb = ByteBuffer.allocateDirect(p2h * p2w * 4);
        //         }
        //
        //         do {
        //            canvas1.getContext2D().clearRect(0, 0, p2w, p2h);
        //            canvas1.getContext2D().drawImage(img, 0, 0, p2w, p2h);
        //            ImageData data = canvas1.getContext2D().getImageData(0, 0, p2w, p2h);
        //         
        //            CanvasPixelArray pixels = data.getData();
        //         
        //            int len = p2w * p2h * 4;
        //            ByteBuffer bb = ByteBuffer.allocateDirect(len);
        //            
        //            for(int i = 0; i < len; i++) {
        //               bb.put(i, (byte) (pixels.get(i) ));
        //            }
        //         
        //            webGL.glTexImage2D(WebGL.GL_TEXTURE_2D, level++, GLAdapter.GL_RGBA, p2w, p2h, 0, 
        //                  GLAdapter.GL_RGBA, GLAdapter.GL_UNSIGNED_BYTE, bb);
        //            
        //            p2w = Math.max(p2w / 2, 1);
        //            p2h = Math.max(p2h / 2, 1);
        //         }
        //         while(p2w >1 || p2h > 1);
        //         // TODO: remove when mipMaps work in Webkit
        //         mipMap = false;
        //         }
        canvas1.setWidth(p2w);
        canvas1.setHeight(p2h);
        canvas1.getContext2D().drawImage(img, 0, 0, p2w, p2h);
        webGL.glTexImage2d(WebGL.GL_TEXTURE_2D, 0, canvas1);
        //         webGL.glGenerateMipmap(WebGL.GL_TEXTURE_2D);
    } else {
        image.upload_height = image.height;
        image.upload_width = image.width;
        webGL.glTexImage2d(WebGL.GL_TEXTURE_2D, 0, img);
    }
    gl.glTexParameterf(GLAdapter.GL_TEXTURE_2D, GLAdapter.GL_TEXTURE_MIN_FILTER,
            /*mipMap ? GLAdapter.GL_LINEAR_MIPMAP_NEAREST :*/ GLAdapter.GL_LINEAR);
    gl.glTexParameterf(GLAdapter.GL_TEXTURE_2D, GLAdapter.GL_TEXTURE_MAG_FILTER, GLAdapter.GL_LINEAR);
}

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From source file:jake2.gwt.client.GwtWebGLRenderer.java

License:Open Source License

public void __setPicDataHighLevel(image_t image, ImageElement img) {
    image.has_alpha = true;/*w  w  w. jav  a2 s.c o m*/
    image.complete = true;
    image.height = img.getHeight();
    image.width = img.getWidth();
    image.upload_height = image.height;
    image.upload_width = image.width;
    GL_Bind(image.texnum);
    webGL.glTexImage2d(WebGL.GL_TEXTURE_2D, 0, img);
    gl.glTexParameterf(GLAdapter.GL_TEXTURE_2D, GLAdapter.GL_TEXTURE_MIN_FILTER, GLAdapter.GL_LINEAR);
    gl.glTexParameterf(GLAdapter.GL_TEXTURE_2D, GLAdapter.GL_TEXTURE_MAG_FILTER, GLAdapter.GL_LINEAR);
}

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