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[Fix] (EGL+GL): let ANGLE's GL backend run on MobileGL (GBM displays, foreign wl_display, precision query, ES-free GL_VERSION)

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swung0x48
2026-10-02 02:58:55 -04:00
parent 47db68d557
commit 0b6842ac8b
8 changed files with 107 additions and 5 deletions
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MobileGL/MG_Impl/GLImpl/Getter/GL_Getter.cpp
+9 -1
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@@ -617,11 +617,19 @@ namespace MobileGL::MG_Impl::GLImpl {
MGLOG_D("vendorString: %s", vendorString.c_str());
return (const GLubyte*)vendorString.c_str();
case GL_VERSION: {
// "OpenGL ES" must not appear anywhere in a desktop GL_VERSION: some callers (ANGLE's GL
// backend among them) search the whole string for it rather than its prefix, and
// then take this for an ES driver, read the version from the wrong offsets and look
// for ES-named extensions. The backend is named "GLES" here for that reason only.
String backendName = rendererInfo.BackendName;
if (const auto at = backendName.find("OpenGL ES"); at != String::npos) {
backendName.replace(at, sizeof("OpenGL ES") - 1, "GLES");
}
versionStr =
std::format("{} {} {}, {} Backend, GIT@" GIT_COMMIT_HASH_SHORT,
rendererInfo.RendererGLInfo.TargetGLVersion.toString(), MG_Config::ProjectName,
MG_Config::CoreVersion.toFormattedString(MG_Config::DefaultVersionStringFormatAttrib),
rendererInfo.BackendName);
backendName);
MGLOG_D("versionStr: %s", versionStr.c_str());
return (const GLubyte*)versionStr.c_str();
}