Texture transparency brush with OpenGL ES on iPhone

stackoverflow.com - 2012-03-26 07:06:27 - Similar - Report/Block

I am new to OpenGL and trying to implement an eraser brush which will erase a texture with brush stroke to reveal the background of the opengl view, by adjusting the alpha value at the the brush stroke. the OpenGL view's opaque property is set to NO. I am using the Apple's GLPaint as a starting point. The brush I am using is a texture who...

OpenGL Texture Blur?

gamedev.net - 2012-08-17 01:26:27 - Similar - Report/Block

Hey, in opengl when I load a texture and stretch it across a face it blurs the picture a bit. I'm guessing this is openGL's default way of stretching textures. Is there a way to change it from texture blur to just normal stretch? For instance: I've drawn an 8*8 pixel image in gimp or something and I put it on a face of a cube in opengl, o...

FreeImage and loading textures with Alpha, NOt rendering correctly with OpenGL [SOLVED]

gamedev.net - 2013-03-13 17:52:33 - Similar - Report/Block

Alright so I am working on implementing loading 2D textures using FreeImage, these textures have transparency, originally I was just taking these textures and converting them to 24 bits per pixel, but now I am expanding it to 32 bits. My Code is here: http://pastebin.com/F3ydkjPy This is the Texture I am using, it has transparency Here is...

perspective correction, texture interpolation opengl

stackoverflow.com - 2012-05-20 03:24:47 - Similar - Report/Block

1) In opengl, in texture mapping, when you specify texture coordinates for two different vertices,for a point in between are texture coordinates interpolated, or/and are the rgb values at the specified texture coordinates interpolated? 2) Also, could someone post/link to a full example (with actual coordinates) of texture coordinate inter...

Blending problems using opengl (via lwjgl) when using a png texture

stackoverflow.com - 2013-03-17 17:16:38 - Similar - Report/Block

I have a (hopefully) small problem when using blending in OpenGL. Currently I use LWJGL and Slick-Util to load the Texture. The texture itself is a 2048x2048 png graphic, in which I store tiles of a size of 128x128 so that I have 16 sprites per row/column. Since glTexCoord2f() uses normalized Coordinates, I wrote a little function to scal...

Using NPAPI( libflashplayer32.so ) and OpenGL together

stackoverflow.com - 2013-02-20 13:31:41 - Similar - Report/Block

I am building a 3D application by using OpenGL for Linux systems. I also want to use flash with it. On Windows , you are able to render a flash file to an off-screen target , create a texture from it and then use with D3D/OpenGL. So by using NPAPI and dlopening libflashplayer32.so , that is what I want to do : to create a texture each tim...

New Shaving Caddy

badgerandblade.com - 2012-08-26 16:57:15 - Similar - Report/Block

Here are some pics of my new shaving caddy. It is made out of PVC. It will hold either a long brush or any standard brush by simply moving the brush holder up or down. It can be used for a DE or A Straight. It also can be used with a can of shaving cream. I am asking $ 20.00 for them.If interested pm me. Thanks, Mack New brush stand 001.j...

Ambient Textures Pack (Sound Packs)

audiojungle.net - 2012-09-08 04:47:32 - Similar - Report/Block

Futuristic deep sounds. 1. Texture 1: 0:21 2. Texture 2: 0:24 3. Texture 3: 0:31 4. Texture 4: 0:32 5. Texture 5: 0:31 6. Texture 6: 0:24 7. Texture 7: 0:29 8. Texture 8: 0:28 9. Texture 9: 0:29 10. Texture 10: 0:28...

Andengine: What happened to ITexture?

stackoverflow.com - 2012-03-07 07:34:04 - Similar - Report/Block

I'm trying to use the GLES1 version of the texturepacker extension. It refers to an interface: org.anddev.andengine.opengl.texture.ITex ture; This is no longer part of the main Andengine GLES1 code base. I want to be able to use the texture packer extension, and update it, but I don't know what this interface is or does. What has it been r...

Day 15: Sephora brush set

canadianliving.com - 2012-12-15 14:07:10 - Similar - Report/Block

If there is one thing that any beauty enthusiast dreams of it's a high-quality brush set with a luxe storage system. And this sweet set from Sephora ticks all of those boxes. Sephora Collection Prestige Luxe Brush Set Tucked inside the sleek, easy to store case is one of each of the following: Powder brush Blush brush Fan brush Foundatio...

Android OpenGL colors of texture degradation

stackoverflow.com - 2013-04-11 16:40:35 - Similar - Report/Block

I am using OpenGL for 2D graphics, loading texture from 32-bit PNG image and when texture is drawn on the screen, colors look weird. It looks like colors are not totally accurate, something like less than 8 bits are used for each channel. On the image below on the LEFT is original output from device, on the RIGHT is original image. You ca...

Motion Blur Emplementation on OpenGL ES

stackoverflow.com - 2012-03-13 08:02:17 - Similar - Report/Block

I'm a novice in OpenGL ES 1.1(for IOS) texturing and I have a problem with making the effect of motion blur. During googling, I found that I should render my scene in different time moments to several textures and then draw all these textures on the screen with different alpha values. But the problem is that I don't know how to implement...

evolveStar Join

SDL_Surface to OpenGL texture problem.

gamedev.net - 2013-05-22 10:56:53 - Similar - Report/Block

Hello. I have a bit of a problem, so a little help from someone more experienced would be appreciated. :-) I've been using SDL for a few months, and have gotten quite good at it and started making my first game. But now I want my game to use hardware accelerated rendering because software rendering won't cut it any more, so I started look...

Fecting textures using CUDA driver API - color formats confusion

stackoverflow.com - 2012-04-12 04:01:26 - Similar - Report/Block

I'm experiencing troubles in fetching color data of 2d textures using the CUDA driver API, and I think it's because some confusion I have in my head concerning color formats used by OpenGL textures. I create the OpenGL texture with glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); And I have a texture ref...

iPhone opengl es: Rastorization

stackoverflow.com - 2012-02-22 00:35:00 - Similar - Report/Block

Hi guys I am doing some work on opengl es on the iPhone. I have finally got some basic geometry on the screen and now I wanted to know what is the best way to rasterize these shapes? Any help would be much apprecited...

Skybox with OpenGL ES on iOS - NO GLKit + iOS 5.0

stackoverflow.com - 2012-04-18 17:41:20 - Similar - Report/Block

Please give me some hint/source to build a skybox (like street view) in OpenGL ES...after a week I only found a post: Skybox OpenGL ES iPhone and iPad but the link shared by Tommy is broken.

Skybox with OpenGL ES on iOS

stackoverflow.com - 2012-04-18 17:41:20 - Similar - Report/Block

Please give me some hint/source to build a skybox (like street view) in OpenGL ES...after a week I only found a post: Skybox OpenGL ES iPhone and iPad but the link shared by Tommy is broken.

OpenGL: Read pixels from FrameBuffer for picking rounded up to 255 (0xFF)

stackoverflow.com - 2012-04-12 14:29:50 - Similar - Report/Block

I am trying to implement object picking by packing the vao id to RGBA and render with it to an off-screen buffer which I then try to read with a buffer object. I am rendering to an off-screen buffer by creating a texture and a z-buffer RenderBuffer Object then attaching them to a FramaBuffer object as such: /* create a framebuffer object...

Flip (Mirror Vertical) a texture

gamedev.net - 2012-11-15 04:21:37 - Similar - Report/Block

I have been having issues 'building' a texture from several others. At first I thought I needed to 'blit' one texture upon the other, then I realized, I need to 'render' onto a texture. So , I have my src textures, and I render them onto my destination texture, this works great, until I then try to use that destination texture, and its to...

Tutorials and libraries for OpenGL-ES games on Android

stackoverflow.com - 2009-10-27 11:02:03 - Similar - Report/Block

What tutorials and libraries are available which can help beginners to develop 2D and 3D games on Android using OpenGL-ES? I'm looking for tutorials which can help me learn OpenGL-ES, and I'm looking for OpenGL-ES libraries which can make life easier for beginners in OpenGL-ES. Since Android is still small, I guess it may be help-full to...

Request for a Light Magical Background

deviantart.com - 2013-04-10 00:35:00 - Similar - Report/Block

PLEASE IF YOU DOWNLOAD COULD YOU TAKE THE TIME TO FAVORITE? • If you like my TEXTURE/PREMADE BG you are welcome to use it, but could you support me by adding it to your favourites it makes me smile • Remember that I have credited other stock providers • I would LOVE to see what you make with this, so please LINK ME your work I do support...

Looking for a book to learn OpenGL ES 2.0 on android

gamedev.net - 2012-07-28 23:15:14 - Similar - Report/Block

I have recently started learning OpenGL 2 (not ES). However I read somewhere that the fixed-function pipeline is deprecated in favour of the programmable pipeline that OpenGL 4 and OpenGL ES 2 offers. So I decided to stop learning OpenGL 2 and move to OpenGL 4. The problem is that my laptop has support for only OpenGL 2. That's because my...

NVIDIA R305.53 Beta: First OpenGL 4.3 Driver Available for Windows

geeks3d.com - 2012-08-07 12:34:18 - Similar - Report/Block

OpenGL 4.3 specifications have been released yesterday at SIGGRAPH 2012 and NVIDIA gives us the first OpenGL 4.3 capable driver for those who want to play with new OpenGL stuff. OpenGL 4.3 is...

Using OpenGL on QT without the wrappers

stackoverflow.com - 2012-03-21 00:13:59 - Similar - Report/Block

I'm looking for a GUI toolkit to use in conjunction with OpenGL. QT looks promising but unfortunately it wraps most OpenGL functions in QT classes. Is there any way for me to create an OpenGL 3.3 context in QT and just use the standard C API?...

Problems changing the texture of a polygon in a thread.... white textures

stackoverflow.com - 2012-02-28 14:34:53 - Similar - Report/Block

In some point of my app i need to changue the texture of a polygon. For that, i must load a bitmap from assets folder and then i pass the bitmap to a "loadBitmap" method of my polygon that changes the texture. It is working fine, but i need to move the code into a thread, because the loading time of the bitmap it's frozing my opengl polyg...

OpenGL Palette Swap shader?

stackoverflow.com - 2012-05-30 22:09:48 - Similar - Report/Block

I'm coding a fighting game in which each character has a great number of sprites, and each character has several different palette swaps. I've been trying to use a grayscale texture for each sprite, and a 256x1 texture for each palette. My shaders look like this: Vertex: varying vec2 coord; void main(void) coord = gl_MultiTexCoord0.xy;...

Mipmaps and Texture Seams

gamedev.net - 2013-05-31 08:35:11 - Similar - Report/Block

Hey guys, I'm having a bit of an issue with texture mipmaps. I have a model that uses a diffuse texture that doesn't stretch to the edge of the image file. To clarify, the edges of the texture are padded with a solid black color, and the texture coordinates on the model never hit either 0 or 1, they use a smaller subset of the texture. Wh...

glTexParameter and filtering in OpenGL and GLSL?

stackoverflow.com - 2011-01-12 06:25:30 - Similar - Report/Block

I have a couple questions about glTexParameter and filtering 1) What is the scope when applying a glTexParameter (specifically the filtering)? Here's a scenario: Bind a texture. Set the filters to LINEAR Set the texture to "Sampler1" of a shader Bind another texture. Set its filters to NEAREST Set that texture to "Sampler2" of a shader Wh...

glTexImage2D + byte[]

stackoverflow.com - 2012-04-13 01:45:02 - Similar - Report/Block

How can I upload pixels from a simple byte array to an OpenGl texture ? I'm using glTexImage2D and all I get is a white rectangle instead of a pixelated texture. The 9th parameter (32-bit pointer to the pixel data) is IMO the problem. I tried lots of parameter types there (byte, ref byte, byte[], ref byte[], int & IntPtr + Marshall,...

Gtk# and OpenGL?

gamedev.net - 2013-05-17 21:49:59 - Similar - Report/Block

I'm really new to using Gtk# and Mono with Xamarin and I'm trying to get up to speed with C# and OpenGL. I tried googling Gtk# with OpenGL, but no real results came of it. I'm an experienced user of OpenGL already and have the basics of C# down already. My primary language is C/C++, so that's what I'm used to. Does anyone know where I can...

Texture Interpolation Problem With Transparent Pixels

gamedev.net - 2012-09-09 07:31:03 - Similar - Report/Block

Can somebody please tell me how I can stop texture interpolation from interpolating with fully transparent pixels? I am just using this code for interpolation: glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE _MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE _MAG_FILTER,GL_LINEAR); At the moment my sprites that use transparency all h...

SBS fisheye optical distiortion in pyopengl

stackoverflow.com - 2013-04-12 01:02:10 - Similar - Report/Block

I have been trying to do SBS Fisheye barrel optical distortion. My research lead me to methods like render to texture in opengl and http://www.mtbs3d.com/phpbb/viewtopic.ph p?f=140&t=15306 I really looking for some how could lead me into the right direction. Or help me to implement this using pyopengl. Maybe with gluLookAt or other technic...

opengl 3.1 and qt and glew

gamedev.net - 2012-08-17 15:01:52 - Similar - Report/Block

hello. I'm still creating a simple opengl engine with opengl 3.1(i have a shader model 4 with my gpu and i would test some new feature), for do experience. I wish create an opengl window and i find some examples with GLEW, there are some problems or constraints with the use of glew? because i created a project that incapsulate the opengl...

[$8.99] Michel Mercier Ultimate Detangling Hair Brush Choice of 3 Styles by Tanga Deal 3

dealsucker.com - 2013-05-04 03:00:23 - Similar - Report/Block

$8.99 BUY IT NOWThe Perfect Brush for Your Hair TypeRemember fighting with your mom when you were a kid because you didnt want her to brush your hair? Who could blame yougetting those tangles out was always kind of painful and uncomfortable. Now that youre all grown up, you understand that you need to brush your hair, but you can be...

Good first badger brush?

badgerandblade.com - 2013-03-23 04:48:10 - Similar - Report/Block

I've been using boar hair brushes exclusively since I began wet shaving a few months ago. But today I used a very small "travel" badger brush from a company called "Art of Shaving". I got in as a gift. I am utterly amazed at the vastly superior lather I was able to get, which I got so much more quickly, than the Omega boar hair brush I've...

Gimp Animated Rain Brush

deviantart.com - 2012-05-05 02:41:23 - Similar - Report/Block

This is a Gimp brush pipe, just move the brush across the canvas and it will paint rain similar to what's in the preview image. Also in the preview image are the 4 cells that make up this animated Gimp pipe brush. Enjoy and with a little experimentation... this brush can go a long way. You can find other resources for "Gimp" in my "Gimp B...

Yet another great Rudy Vey creation!

badgerandblade.com - 2013-04-26 00:33:49 - Similar - Report/Block

I just received my new brush from Rudy yesterday and all I can say is wow! This brush looks better then the picture can do justice. The color changes and swirl pattern are excellent. Like many others have have said, Rudy was nothing but wonderful to work with. He did a great job at answering all of my questions and helping guide me in the...

OpenGL ES 3.0 promet une 3D mobile de folie

mac4ever.com - 2012-08-06 19:52:58 - Similar - Report/Block

Le Khronos Group, en charge des spécifications d'OpenGL, annonce avoir arrêté celle concernant OpenGL ES 3.0, API largement utilisée sur nos périphériques mobiles, iPhone et iPad en tête. OpenGL ES 3.0 amène les graphisme 3D mobiles au stade supérieur affirme le groupe qui précise...

Как подключить OpenGL.h ? - OpenGL

cyberforum.ru - 2013-04-22 14:59:43 - Similar - Report/Block

Подскажите, как подключить OpenGL.h. По суперкниге занимаюсь, там этот файл в первом примере нужен. Читал, что OpenGL устанавливается вместе с дровами видеокарты, но тогда непонятно, как его подключать #include // Error: не удается открыть источник файл "OpenGL.h"...

gluUnProject, gluProject - как без них в OpenGL 3.3 - OpenGL

cyberforum.ru - 2013-05-13 10:57:27 - Similar - Report/Block

Здравствуйте программисты! Вот пишу проэкт в Qt c использованием OpenGL. Может не все знают, но в альфа версии Qt 5.1.0 уже встраиваются функции нового OpenGL для Desktop. Т.е. поддерживаются все версии OpenGL. Я использую версию 3.3, но такие команды как gluUnProject, gluProject просто отсутствуют. Рисовать я научился, а вот связать экра...


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