Question

glReadPixels always returns a black image

score 1k · Answer 1 · 2016-12-23 02:46:36

1k

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glReadPixels always returns a black image

Published on 23 December 2016 at 02:46

score 715 · Answer 2 · 2016-12-31 00:41:23

715

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glReadPixels returns more data than expected

Published on 31 December 2016 at 00:41

score 2.5k · Answer 3 · 2013-12-17 09:40:06

2.5k

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glReadPixels save to BMP - Color Dirstortion

Published on 17 December 2013 at 09:40

score 3.5k · Answer 4 · 2013-12-16 01:23:00

3.5k

Views

GLSURFACEVIEW SAVE to PNG - ERROR glReadPixels

Published on 16 December 2013 at 01:23

score 1.2k · Answer 5 · 2013-08-29 11:06:31

1.2k

Views

How to save picture (applied glsl effects) captured by camera in Android?

Published on 29 August 2013 at 11:06

score 1k · Answer 6 · 2013-09-06 02:25:41

1k

Views

How to save large texture (efficiently) by OpenGL ES 2.0 in Android

Published on 06 September 2013 at 02:25

score 2k · Answer 7 · 2013-09-06 15:10:15

2k

Views

glReadPixels when using PBuffers is failing in some android devices

Published on 06 September 2013 at 15:10

score 368 · Answer 8 · 2013-09-05 19:00:02

368

Views

Modify an existing opengl application to render to a PBO (and from there to a file)?

Published on 05 September 2013 at 19:00

score 3.1k · Answer 9 · 2013-09-10 08:21:14

3.1k

Views

Performance boost for glReadPixels in Android by OpenGL ES 3.0

Published on 10 September 2013 at 08:21

score 1.4k · Answer 10 · 2013-09-13 05:30:54

1.4k

Views

OpenGL ES2.0 glReadPixels() is very slow

Published on 13 September 2013 at 05:30

score 5.8k · Answer 11 · 2020-10-20 14:14:57

5.8k

Views

Use glEGLImageTargetTexture2DOES to replace glReadPixels on Android

Published on 20 October 2020 at 14:14

score 4.9k · Answer 12 · 2012-01-07 17:11:45

4.9k

Views

Converting RGBA to ARGB (glReadPixels -> AVAssetWriter)

Published on 07 January 2012 at 17:11

score 17.7k · Answer 13 · 2012-02-01 14:44:08

17.7k

Views

Converting data from glReadPixels() to OpenCV::Mat

Published on 01 February 2012 at 14:44

score 746 · Answer 14 · 2012-06-09 03:14:45

746

Views

iOS: render to and read from depthbuffer for offscreen processing

Published on 09 June 2012 at 03:14

score 3.6k · Answer 15 · 2011-10-25 18:55:30

3.6k

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glReadPixel returns zeros and error 1282 (Android)

Published on 25 October 2011 at 18:55

score 7.5k · Answer 16 · 2011-10-25 21:03:32

7.5k

Views

Pixel formats, CVPixelBufferRefs and glReadPixels

Published on 25 October 2011 at 21:03

score 109 · Answer 17 · 2022-04-07 14:37:15

109

Views

glReadPixel return fault result

Published on 07 April 2022 at 14:37

score 380 · Answer 18 · 2018-11-15 02:43:11

380

Views

glReadPixels() burns up all CPU cycles of a single core

Published on 15 November 2018 at 02:43

score 251 · Answer 19 · 2012-07-29 17:55:15

251

Views

How do I check whether a pixel is filled or not on a canvas in OpenGL?

Published on 29 July 2012 at 17:55

score 8.8k · Answer 20 · 2012-07-30 11:49:51

8.8k

Views

OpenGL ES to video in iOS (rendering to a texture with iOS 5 texture cache)

Published on 30 July 2012 at 11:49

List Question

glReadPixels always returns a black image

glReadPixels returns more data than expected

glReadPixels save to BMP - Color Dirstortion

GLSURFACEVIEW SAVE to PNG - ERROR glReadPixels

How to save picture (applied glsl effects) captured by camera in Android?

How to save large texture (efficiently) by OpenGL ES 2.0 in Android

glReadPixels when using PBuffers is failing in some android devices

Modify an existing opengl application to render to a PBO (and from there to a file)?

Performance boost for glReadPixels in Android by OpenGL ES 3.0

OpenGL ES2.0 glReadPixels() is very slow

Use glEGLImageTargetTexture2DOES to replace glReadPixels on Android

Converting RGBA to ARGB (glReadPixels -> AVAssetWriter)

Converting data from glReadPixels() to OpenCV::Mat

iOS: render to and read from depthbuffer for offscreen processing

glReadPixel returns zeros and error 1282 (Android)

Pixel formats, CVPixelBufferRefs and glReadPixels

glReadPixel return fault result

glReadPixels() burns up all CPU cycles of a single core

How do I check whether a pixel is filled or not on a canvas in OpenGL?

OpenGL ES to video in iOS (rendering to a texture with iOS 5 texture cache)

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