Try to debug by retrieving the GL error code:
Log.d("GL Error", gl.getErrorCode());
When the value is non-0 then there is an error. You need to identify the GL
function call causing that error state. You could for example add a logging
output line after each GL function call like this:
gl.glEnable(GL10.GL_FOG);
Log.d("Enable fog", gl.getErrorCode());
gl.glFogx(GL10.GL_FOG_MODE, GL10.GL_EXP);
Log.d("Set fog mode", gl.getErrorCode());
gl.glFogfv(GL10.GL_FOG_COLOR, fogColorsBuffer);
Log.d("Set fog color", gl.getErrorCode());
If you get a non-0 number you need to look up the meaning of that error
code.
On Saturday, November 23, 2013 4:29:51 AM UTC-6, MobileVisuals wrote:
>
> It was possible to use fog color according to the OpenGL standard in the
> previous Android versions, but it no longer works in Jellybean. The color
> of the fog is no longer seen, all fog just becomes black. What can I do to
> get the fog colors shown on Jellybean? This is my code:
>
> float[] fogColorsVfa;
> FloatBuffer fogColorsBuffer;
>
> fogColorsBuffer = FloatBuffer.allocate(4 * 4);
> fogColorsVfa = new float[4];
> fogColorsVfa[0] = 0.5f;//yellow with some alpha
> fogColorsVfa[1] = 1f;
> fogColorsVfa[2] = 1f;
> fogColorsVfa[3] = 0f;
> fogColorsBuffer.put(fogColorsVfa);
>
>
> gl.glEnable(GL10.GL_FOG);
> gl.glFogx(GL10.GL_FOG_MODE, GL10.GL_EXP);
> gl.glFogfv(GL10.GL_FOG_COLOR, fogColorsBuffer);
>
>
>
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