diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/library_browser.js | 7 | ||||
| -rw-r--r-- | src/settings.js | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/src/library_browser.js b/src/library_browser.js index e9396d69..5b19a360 100644 --- a/src/library_browser.js +++ b/src/library_browser.js @@ -204,7 +204,12 @@ mergeInto(LibraryManager.library, { var ctx; try { if (useWebGL) { - ctx = canvas.getContext('experimental-webgl', { alpha: false }); + ctx = canvas.getContext('experimental-webgl', { + alpha: false, +#if GL_TESTING + preserveDrawingBuffer: true +#endif + }); } else { ctx = canvas.getContext('2d'); } diff --git a/src/settings.js b/src/settings.js index df9da926..7caa5b92 100644 --- a/src/settings.js +++ b/src/settings.js @@ -158,6 +158,7 @@ var SOCKET_DEBUG = 0; // Log out socket/network data transfer. var GL_DEBUG = 0; // Print out all calls into WebGL. As with LIBRARY_DEBUG, you can set a runtime // option, in this case GL.debug. +var GL_TESTING = 0; // When enabled, sets preserveDrawingBuffer in the context, to allow tests to work (but adds overhead) var GL_MAX_TEMP_BUFFER_SIZE = 2097152; // How large GL emulation temp buffers are var GL_UNSAFE_OPTS = 1; // Enables some potentially-unsafe optimizations in GL emulation code |