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Fix HTML5 feature tags

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'HTML5' is the platform tag, the 'JavaScript' tag indicates availability of
the JavaScript.eval singleton.

Also report texture compression support.
This commit is contained in:
Leon Krause 2018-01-12 00:15:21 +01:00
parent 37ca542d2b
commit 5a1156347d
3 changed files with 21 additions and 13 deletions
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27
platform/javascript/os_javascript.cpp
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@ -81,12 +81,6 @@ void OS_JavaScript::initialize_core() {
FileAccess::make_default<FileAccessBufferedFA<FileAccessUnix> >(FileAccess::ACCESS_RESOURCES);
}
void OS_JavaScript::set_opengl_extensions(const char *p_gl_extensions) {
ERR_FAIL_COND(!p_gl_extensions);
gl_extensions = p_gl_extensions;
}
static EM_BOOL _browser_resize_callback(int event_type, const EmscriptenUiEvent *ui_event, void *user_data) {
ERR_FAIL_COND_V(event_type != EMSCRIPTEN_EVENT_RESIZE, false);
@ -975,7 +969,25 @@ int OS_JavaScript::get_power_percent_left() {
bool OS_JavaScript::_check_internal_feature_support(const String &p_feature) {
return p_feature == "web" || p_feature == "s3tc"; // TODO check for these features really being available
if (p_feature == "HTML5" || p_feature == "web")
return true;
#ifdef JAVASCRIPT_EVAL_ENABLED
if (p_feature == "JavaScript")
return true;
#endif
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE ctx = emscripten_webgl_get_current_context();
// all extensions are already automatically enabled, this function allows
// checking WebGL extension support without inline JavaScript
if (p_feature == "s3tc" && emscripten_webgl_enable_extension(ctx, "WEBGL_compressed_texture_s3tc_srgb"))
return true;
if (p_feature == "etc" && emscripten_webgl_enable_extension(ctx, "WEBGL_compressed_texture_etc1"))
return true;
if (p_feature == "etc2" && emscripten_webgl_enable_extension(ctx, "WEBGL_compressed_texture_etc"))
return true;
return false;
}
void OS_JavaScript::set_idbfs_available(bool p_idbfs_available) {
@ -992,7 +1004,6 @@ OS_JavaScript::OS_JavaScript(const char *p_execpath, GetUserDataDirFunc p_get_us
set_cmdline(p_execpath, get_cmdline_args());
main_loop = NULL;
gl_extensions = NULL;
window_maximized = false;
soft_fs_enabled = false;
canvas_size_adjustment_requested = false;