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  • FBO rendering different result between Glaxay S2 and S3

    - by BruceJones
    I'm working on a pong game and have recently set up FBO rendering so that I can apply some post-processing shaders. This proceeds as so: Bind texture A to framebuffer Draw balls Bind texture B to framebuffer Draw texture A using fade shader on fullscreen quad Bind screen to framebuffer Draw texture B using normal textured quad shader Neither texture A or B are cleared at any point, this way the balls leave trails on screen, see below for the fade shader. Fade Shader private final String fragmentShaderCode = "precision highp float;" + "uniform sampler2D u_Texture;" + "varying vec2 v_TexCoordinate;" + "vec4 color;" + "void main(void)" + "{" + " color = texture2D(u_Texture, v_TexCoordinate);" + " color.a *= 0.8;" + " gl_FragColor = color;" + "}"; This works fine with the Samsung Galaxy S3/ Note2, but cause a strange effect doesnt work on Galaxy S2 or Note1. See pictures: Galaxy S3/Note2 Galaxy S3/Note2 Galaxy S2/Note Galaxy S2/Note Can anyone explain the difference?

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  • How to do proper Alpha in XNA?

    - by Soshimo
    Okay, I've read several articles, tutorials, and questions regarding this. Most point to the same technique which doesn't solve my problem. I need the ability to create semi-transparent sprites (texture2D's really) and have them overlay another sprite. I can achieve that somewhat with the code samples I've found but I'm not satisfied with the results and I know there is a way to do this. In mobile programming (BREW) we did it old school and actually checked each pixel for transparency before rendering. In this case it seems to render the sprite below it blended with the alpha above it. This may be an artifact of how I'm rendering the texture but, as I said before, all examples point to this one technique. Before I go any further I'll go ahead and paste my example code. public void Draw(SpriteBatch batch, Camera camera, float alpha) { int tileMapWidth = Width; int tileMapHeight = Height; batch.Begin(SpriteSortMode.Texture, BlendState.AlphaBlend, SamplerState.PointWrap, DepthStencilState.Default, RasterizerState.CullNone, null, camera.TransformMatrix); for (int x = 0; x < tileMapWidth; x++) { for (int y = 0; y < tileMapHeight; y++) { int tileIndex = _map[y, x]; if (tileIndex != -1) { Texture2D texture = _tileTextures[tileIndex]; batch.Draw( texture, new Rectangle( (x * Engine.TileWidth), (y * Engine.TileHeight), Engine.TileWidth, Engine.TileHeight), new Color(new Vector4(1f, 1f, 1f, alpha ))); } } } batch.End(); } As you can see, in this code I'm using the overloaded SpriteBatch.Begin method which takes, among other things, a blend state. I'm almost positive that's my problem. I don't want to BLEND the sprites, I want them to be transparent when alpha is 0. In this example I can set alpha to 0 but it still renders both tiles, with the lower z ordered sprite showing through, discolored because of the blending. This is not a desired effect, I want the higher z-ordered sprite to fade out and not effect the color beneath it in such a manner. I might be way off here as I'm fairly new to XNA development so feel free to steer me in the correct direction in the event I'm going down the wrong rabbit hole. TIA

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  • FBO rendering different result between Galaxy S2 and S3

    - by BruceJones
    I'm working on a pong game and have recently set up FBO rendering so that I can apply some post-processing shaders. This proceeds as so: Bind texture A to framebuffer Draw balls Bind texture B to framebuffer Draw texture A using fade shader on fullscreen quad Bind screen to framebuffer Draw texture B using normal textured quad shader Neither texture A or B are cleared at any point, this way the balls leave trails on screen, see below for the fade shader. Fade Shader private final String fragmentShaderCode = "precision highp float;" + "uniform sampler2D u_Texture;" + "varying vec2 v_TexCoordinate;" + "vec4 color;" + "void main(void)" + "{" + " color = texture2D(u_Texture, v_TexCoordinate);" + " color.a *= 0.8;" + " gl_FragColor = color;" + "}"; This works fine with the Samsung Galaxy S3/ Note2, but cause a strange effect doesnt work on Galaxy S2 or Note1. See pictures: Galaxy S3/Note2 Galaxy S3/Note2 Galaxy S2/Note Galaxy S2/Note Can anyone explain the difference?

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  • Outsourcing Your Search Engine Optimization Work

    Search Engine Optimization is a very commonly used internet marketing tool that makes sure that your website is more frequently visited than your competitions. A website that has higher importance and has more back-links connecting to it will obviously get more traffic. What an SEO company does is it optimizes the website to make it more search engine friendly, thus getting it higher up on any search engine result page.

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  • 3d js map rendering

    - by gotha
    In the past I've done a 2D tile map using HTML, CSS and Javascript. Now I have the task of creating a 3D version using the same technologies - think of it like a space map where all planets have x/y/z positions. Currently, I have no idea to do this. Is there an existing library or something I can modify to do my job? If not, what method of rendering the map should I use? It needs to be as browser independent as possible, so I can't use webgl, flash or canvas. I'm considering plain JS & HTML or SVG (using Raphael for compatibility).

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  • Rendering of Oracle Secure Global Desktop's Administration Console on Modern Browser Versions

    - by Mohan Prabhala
    For customers using Oracle Secure Global Desktop version 4.6x, one of the issues reported is the improper rendering of the administration console when using modern browser versions such as Safari 5, Firefox 4+ or Internet Explorer 9. We are pleased to provide a fix for use of these modern browser versions when using Oracle Secure Global Desktop 4.6x. Please refer to Doc ID 1367923.1 on My Oracle Support. The solution involves a new .jar file, oracletheme.jar and following a few simple instructions. Download the new oracletheme.jar to /tmp and backup the existing one located at  /opt/tarantella/webserver/tomcat/<tomcat_ver>/webapps/sgdadmin/WEB-INF/lib/oracletheme.jar Stop the webserver  /opt/tarantella/bin/tarantella stop webserver Copy the new oracletheme.jar to the correct directory cp /tmp/oracletheme.jar /opt/tarantella/webserver/tomcat/<tomcat_ver>/webapps/sgdadmin/WEB- INF/lib/oracletheme.jar Verify permissions for the file -rw-r----- 1 root ttaserv 280449 Sep 9 2010 oracletheme.jar Finally, restart the webserver /opt/tarantella/bin/tarantella start webserver

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  • How Do I Evaluate Search Engine Optimization Specialists?

    The importance and utility of getting a website, especially a professional web site, search engine optimized cannot be stated any more convincingly. It is now an established norm to get any website search engine optimized to get top search engine rankings and hence beat the competition by rising up in the search results.

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  • Search Engine Optimization

    If you are interested in search engine optimization, the first thing you need to know is key words are vital. They are the function that is going to lead people to your website and help you grow in the ranks of the various search engines. When your web page is crawled, a search engine spider (which is essentially a robot) will send information back to the search engine reviewing your website.

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  • Search Engine Optimisation For Online Businesses

    Most Internet users make use of search engines to get apt results for their search and this is the reason that a website with good search engine ranking is preferred much by the visitors. Landing on top search engine results not only helps to draw quality traffic on the website, but also helps the website to become a brand in the market. The more visitors navigate the web page, more publicity for the site shall boost up and this is made possible with Search engine optimization.

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  • Advantages of Search Engine-Friendly Websites

    For every webmaster, System Engine Optimization or SEO only means one thing - tailoring web content to attract more search engine-driven traffic to his website. The higher the rank of a website in the search engine results, the more traffic it gets. Improving the rank of a website means it will have more chances of being visited by more readers and people who may become potential clients or sources of revenue. Regardless of what services or products may be offered, it is essential for for the site to be search engine-friendly as statistics show over 95% of traffic are driven by search engines.

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  • Easy Search Engine Optimisation Advice - DIY SEO

    Search Engine Optimisation (SEO) is the term used to describe the actions a webmaster takes to improve the search engine rankings of their website - simply put, this means moving your website higher in the list in search engines such as Google, when a web user searches for the products/services you offer. This article offers a basic guide to the search engine optimisation process. Although they may help to improve rankings they are by no means all-encompassing, but rather a starting point for your SEO campaign.

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  • Rendering trillions of "atoms" instead of polygons?

    - by Baring
    I just saw a video about what the publishers call the "next major step after the invention of 3D". According to the person speaking in it, they use a huge amount of atoms grouped into clouds instead of polygons, to reach a level of unlimited detail. They tried their best to make the video understandable for persons with no knowledge of any rendering techniques, and therefore or for other purposes left out all details of how their engine works. The level of detail in their video does look quite impressive to me. How is it possible to render scenes using custom atoms instead of polygons on current hardware? (Speed, memory-wise) If this is real, why has nobody else even thought about it so far? I'm, as an OpenGL developer, really baffled by this and would really like to hear what experts have to say. Therefore I also don't want this to look like a cheap advert and will include the link to the video only if requested, in the comments section.

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  • The Importance of Search Engine Optimization and Its Benefits

    Everyday millions of people are using search engines like Google for information. Whatever they want, they surf the search engine to find them. It gives some results and they just click some of the results that appear first. So in order to get traffic to your site, your website should be on the top of the search engine results known as Search Engine Optimization (SEO).

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  • 2d engine with WebGL

    - by Philipp
    I am currently developing a HTML5 canvas game with a sprite-based 2d engine. The engine is working well so far, but now I thought that I could maybe add some cool graphic effects when I would re-implement the whole engine with WebGL. The whole graphic engine would stay strictly two-dimensional (think of it as a 3d world where the z coordinate of all vertices is 0.0). What I hope to gain from this is the ability to use pixel shaders to create special effects. I also think that the performance could improve. What do you think about that plan?

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  • The Evolution of Internet Marketing and Search Engine Optimization

    Search Engine Optimization (SEO) is a process of increasing the quality and volume of traffic to a website via a search engine result which is purely organic and not paid. The higher the website appears on a search result, the greater the chance of traffic going to the website. Therefore not only does it create a web presence for a website but has spawned a global industry of advertising and search engine optimization.

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  • 3D primitive rendering library

    - by tomzx
    Hi, I am looking for a library which would easily allow me to render shapes (cubes, spheres, lines, circles, etc.) in 3D3 and OpenGL if possible. I want to be able to rapidly design visual debugging tools and I am not proefficient enough in graphics rendering to do it myself (writing the low level stuff that is). The library would have to be for C/C++. I've already taken a look at the open-source 3d engine, but I feel those are too big for what I really need. Do any of you know if such library exist? If so, links would be appreciated!

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  • What is Search Engine Optimization?

    SEO stands for search engine optimization involves running and managing a web site or webpage on a given search engine so as to gain more results and make more and more people visit the web site or the web page. The wanted amount of people can be captured by putting up and highlighting the right keywords on your website so as get maximum hits on your website and to make your website rise higher in the list of the search engine. The more your web site is optimized, you get a phenomenal response and the number of hits on your website or webpage increase. Search engine optimization can be carried out in number of different ways.

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  • How to Sabotage Your Search Engine Optimizing Efforts

    Search engine optimizing is a key and ongoing strategy anybody marketing on the internet needs to adopt as part of their daily routine. Properly optimizing any sites or content will serve to increase the amount of search engine traffic you receive. Read on to discover 3 search engine optimization tips to help you get the absolute most traffic out of your optimizing efforts.

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  • How to Sabotage Your Search Engine Optimizing Efforts

    Search engine optimizing is a key and ongoing strategy anybody marketing on the internet needs to adopt as part of their daily routine. Properly optimizing any sites or content will serve to increase the amount of search engine traffic you receive. Read on to discover 3 search engine optimization tips to help you get the absolute most traffic out of your optimizing efforts.

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  • How to Improve Search Engine Optimization (SEO) Through Social Media

    Search Engine Optimisation (SEO) is really important for getting your website ranked highly in major search engine results' pages. But it's not always as simple as having an attractive website full of links and a great product or service. These things can help, but without a good, ethical search engine optimisation strategy, your website could fail to get noticed at all.

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  • The Basics of Search Engine Optimization

    What is search engine optimization? Search engine optimization or 'SEO' for short is method of using keywords or phrases of keywords that are targeted for your site helping it to rank high in the search engine results. What this means is that when someone types a keyword or phrase that you have chosen to target your site should come out on top if done right.

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