Questions tagged [opengl-es-2.0]
Subset of the OpenGL 3D graphics API designed for embedded devices such as mobile phones. This version 2.0 eliminates most of the fixed-function rendering pipeline in favor of a programmable one.
opengl-es-2.0
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Is there a way to extract aggregated data from a OpenGL ES 2.0 shader?
Is there any way to do simple aggregated calculations over intermediate results in an OpenGL ES 2.0 shader?
For example, I have a vertex shader:
precision highp float;
attribute vec2 vTexPosition;
...
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Creating multiple figures with different color OpenGl
I have code that creates multiple I-beams in different position when i try to make every beam have random color it paint wrong part in wrong color
import pygame
from pygame.locals import *
...
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OpenGL-ES: Rendered-FBO to GLSurfaceView
I have a Renderer processing an input image in RENDERMODE_WHEN_DIRTY mode (i.e. render once, per request). It simply applies an effect to the input image.
As it required for the result-image to be in ...
- 426
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How to rotate model and view matrix with same angle?
I'm writing a OpenGL program, Model is sphere, and the camera is at the center of the sphere, now I want to rotate the sphere around the center by a specified euler angle, and also rotate the camera ...
- 2,187
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Is there a projection matrix with a perspective projection in the x direction and an orthographic projection in the y direction?
I'm looking for a projection matrix with a perspective projection in the x direction and an orthographic projection in the y direction, like the one in the picture, does this exist?
I tried to do that,...
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JOGL z-buffer rendering problems
I wrote a Java/JOGL program to build a wall with lots of bricks.
I wrote this program in 2009 with JOGL 1.x
I updated it this year with JOGL 2.5
I have big display problems, as if there was a problem ...
- 39
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Triangles not getting rendered with color with color array added along with vertices
#include <GLFW/glfw3.h>
#include <GLES2/gl2.h>
#include <unistd.h>
#include <stdio.h>
GLfloat vertices[] = {
0.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f,
...
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How to render android.media.Image using OpenGL ES in Android
I am using MediaCodec to decode a video, for some reason I cannot config the codec with a Surface. So I render the video using EGL. Here is my render logic.
videoDecoder.setStateListener(object : ...
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Ogre3D texture being rendered in black color on OpenGL ES 2 (both iOS and Android)
I'm not knowing so much about CG/OpenGL, so I want to ask an issue about what I faced.
On Ogre 's RenderSystem_GL or RenderSystem_GLES2 or RendererSystem_GL3+ running on Windows are result nice output ...
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Enabling GL EXT_blend_minmax
According to this MDN page EXT_blend_minmax has been supported since Chrome 38 and Firefox 47.
I'm trying to use it from Three.js. However, it doesn't work for me with either latest Chrome or latest ...
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How to detect click on objects in OpenGL ES 2.0
I need the program to detect when I click on the drawn object
How can this be done in OpenGL ES?
I get an array of coordinates and draw them on the field. I should be able to click on rendered points, ...
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The texture is not displayed or is displayed wrong
Initially, I drew a triangle and used color. Now I have replaced the color with a texture, fixed the code, and here it starts: On the emulator I see the texture in full screen, although I limit it to ...
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Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 in tid 14795 (GLThread 39), pid 14605 (.example.opengl)
I am getting the following error Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 in tid 14795 (GLThread 39), pid 14605 (.example.opengl) while i am trying to create a 3D parallax ...
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Texture Coordinates not working correctly in OpenGL ES 2.0
I am trying to apply part of a big image to a rectangle in OpenGL ES 2.0
I have this big texture sheet or sprite sheet. Each image is 32x32. The Full Image is 192x32.
Loading the Texture
...
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Draw YUV frames on GL/Surface/TextureView
I have some callback called in own Thread (not main) continously, as this is 1920 x 1088 (yep, 88), 30 fps video:
@Override
public void onYuvDataReceived(MediaFormat mediaFormat, ByteBuffer byteBuffer,...
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