On Tuesday, April 5, 2016 at 2:08:09 PM UTC+2, [email protected] wrote:
>
> This is yet unsolved, but need to be suspended. EMCC_DEBUG did not produce
> results at my place. ~Tom
>
So, continuing this, indeed there is a JS console output after using
EMCC_DEBUG=1. It reads
I: SDL_CreateWindow() successful." test_emscripten1.html:1237:12
Error: WebGL: Refused to create ANGLE OpenGL context because of
blacklisting. test_emscripten1.js:1:61165
Error: WebGL: Refused to create native OpenGL context because of
blacklisting. test_emscripten1.js:1:61165
Error: WebGL: WebGL creation failed. test_emscripten1.js:1:61165
Error: WebGL: Refused to create ANGLE OpenGL context because of
blacklisting. test_emscripten1.js:1:61216
Error: WebGL: Refused to create native OpenGL context because of
blacklisting. test_emscripten1.js:1:61216
Error: WebGL: WebGL creation failed. test_emscripten1.js:1:61216
"Could not create canvas:
?,:(,{"antialias":true,"alpha":false,"depth":true,"stencil":true,"majorVersion":1,"minorVersion":0}"
test_emscripten1.html:1237:12
E: SDL_CreateRenderer Error: Couldn't find matching render driver"
test_emscripten1.html:1237:12
The first and last line are my own "std::cout" output (also sent to
console). So clearly SDL_CreateRenderer failed, and this because some ANGLE
OpenGL context could not be created because of blacklisting.
Some googling showed that happens in FF due to deliberate deactivating
older graphics drivers.
https://www.khronos.org/webgl/wiki/BlacklistsAndWhitelists
Checking the version number (Device Manager), everything looked fine. But
then, using "about:support", in the "Graphics" section
"Direct2D Enabled Blocked for your graphics driver version. Try updating
your graphics driver to version Nvidia driver > 8.17.12.6901 or newer.
WebGL Renderer Blocked for your graphics driver version. Try updating your
graphics driver to version Nvidia driver > 8.17.12.6901 or newer."
while available 8.17.12.6754.
...
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