diff options
Diffstat (limited to 'src/library_egl.js')
| -rw-r--r-- | src/library_egl.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/library_egl.js b/src/library_egl.js index 73d5e544..11cf8951 100644 --- a/src/library_egl.js +++ b/src/library_egl.js @@ -264,6 +264,26 @@ var LibraryEGL = { return 0; } + // EGL 1.4 spec says default EGL_CONTEXT_CLIENT_VERSION is GLES1, but this is not supported by Emscripten. + // So user must pass EGL_CONTEXT_CLIENT_VERSION == 2 to initialize EGL. + var glesContextVersion = 1; + for(;;) { + var param = {{{ makeGetValue('contextAttribs', '0', 'i32') }}}; + if (!param) break; + var value = {{{ makeGetValue('contextAttribs', '4', 'i32') }}}; + if (param == 0x3098 /*EGL_CONTEXT_CLIENT_VERSION*/) { + glesContextVersion = value; + } + contextAttribs += 8; + } + if (glesContextVersion != 2) { +#if GL_ASSERTIONS + Module.printErr('When initializing GLES2/WebGL1 via EGL, one must pass EGL_CONTEXT_CLIENT_VERSION = 2 to GL context attributes! GLES version ' + glesContextVersion + ' is not supported!'); +#endif + EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */); + return 0; /* EGL_NO_CONTEXT */ + } + _glutInitDisplayMode(0x92 /* GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE */); EGL.windowID = _glutCreateWindow(); if (EGL.windowID != 0) { |