Subset of the OpenGL 3D graphics API designed for embedded devices such as mobile phones. Version 1.1.
Resources:
Questions tagged [opengl-es-1.1]
120 questions
3
votes
1 answer
Using OpenGL extensions conditionally
I'm a bit confused about how to use OpenGL extensions (specifically VBOs and draw_texture). I know you can check for them in the GL_EXTENSIONS string, but then what? If the extensions are available can I just call the relevant functions as needed or…
realh
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2
votes
1 answer
How to do clipping planes on OpenGL ES 2 or 3?
On iOS or Android, I have the option to switch to OpenGL ES 2 or 3.
I'm not sure why I would, as I'm not developing a 3D game, but if I were to switch, how would I implement clipping planes? These were allegedly removed in ES 2.
I'd especially like…
Frank
- 45
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2
votes
1 answer
OpenGL ES 1.1 on iOS: No clipping planes?
I have an earnest desire to use clipping planes, and I am currently using OpenGL ES 1.1.
In theory I could upgrade to GL ES 2 or 3, I'd simply have to learn a bit more e.g. about shaders.
But is there a way to do clipping planes in GL ES…
Frank
- 45
- 1
- 5
2
votes
3 answers
OpenGL ES 1.1 - texture support (Power of two)
I am just about to release a wallpaper app that's going to use user's own images... which may be non power of 2 size. Textures of all size seems to be supported on my Nexus 2013 tab and Moto X 2013 in Open GL ES 1.1.
My question is:
Does the OpenGL…
user1148358
2
votes
1 answer
How to rotate around x and y in OpenGL ES 1.1?
I am drawing a texture with 4 vertices in OpenGL ES 1.1.
It can rotate around z:
glRotatef(20, 0, 0, 1);
But when I try to rotate it around x or y like a CALayer then the texture just disappears completely. Example for rotation around…
openfrog
- 40,201
- 65
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- 373
2
votes
0 answers
Why do some of my png files not work with mipmaps (android opengl app)
I use the following code to create mipmaps in my android app
gl.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_GENERATE_MIPMAP, GL11.GL_TRUE);
It works with most of my .png files, but some of them aren't loaded properly (appear as blank white…
Nam5hub
- 21
- 3
2
votes
0 answers
Thread cant't see ConcurentHashMap's elements populated by other thread in android 2.3.(5-7)
I have Map:
public Map bitmaps = new ConcurrentHashMap ();
One thread for decoding resources which populates bitmaps by:
bitmaps.put (resource, BitmapFactory.decodeStream (input, null, options));
And second native thread which binds decoded…
BIOHAZARD
- 1,937
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2
votes
1 answer
GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES - Nexus 7
I'm having problem with OpenGL ES 1.0 rendering engine on my Nexus 7 - I'm trying to create frame buffer but it always return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES, the code is as shown below:
#ifdef __ANDROID__
glGenFramebuffersOES(1,…
xc3s50an
- 21
- 3
2
votes
1 answer
Android OPEN GL ES multi-texturing draws nothing
I am new to this OpenGL ES stuff, I am trying to draw a rectangle using multi-texturing but it does not show anything I dont know what is wrong with this. Any Suggestions or ideas will be very helpful to me.
Here is my code:
What I have done is…
Renjith K N
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2
votes
1 answer
How to do multi-texturing using open gl es 1.1 in Android
What I have done
Currently in my Android app I am drawing rectangles with two different textures
There is a fade in (changes the alpha ) animation for one texture (for the second one ) is given.
What I Want.
I want to use multi - texturing thus …
Renjith K N
- 2,613
- 2
- 31
- 53
2
votes
1 answer
glGenTextures not generating names
I am using OpenGL ES 1.1 with the NDK and occasionally when I call glGenTextures it does not change the value of name holder that I pass in (doesn't even set it to 0).
glGetError returns 0, no error.
All GL code is in a JNI method called from…
DrYap
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- 31
- 54
2
votes
0 answers
How to create a textured plane in libgdx
I come from the FlashBuilder, Flex, Flash development area and am trying to work out how to get into Android Development via LibGDX.
I have got my environment setup, learned some of the basics, but am now having an awkward time working out how to…
Darcey
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2
votes
1 answer
How do you render a texture without being affected by glColor?
My texture itself has a transparent background, and I would like to render it as-is.…
Some Noob Student
- 14,186
- 13
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- 103
2
votes
1 answer
How to use vertex buffers in android and opengl es 1.1
I spend almost whole day trying to render simple polygon using opengl 1.1 and vertex buffers, but no luck. I searched and searched, but I haven't found much.
This is what i have so far:
public class Polygon {
int bufferId = 0;
private…
beegor
- 251
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- 13
2
votes
1 answer
Android, OpenGL ES 1.0, Alpha
I'm new with OpenGLES and I was trying to draw a rectangle with alpha but alpha not being effected on screen. Please help me to figure out where I'm out of the…
Kamlesh Gupta
- 23
- 3