Enable broken IBO fallback for Hisilicon Immersion 16 GPU

This GPU is on the Huawei Ascend D1 and exhibits crashes
in glDrawElements() when rendering scenegraph when the workaround
is not turned on.

Change-Id: Ic601d34c01e34faaa091a631cfed74c3601c9c43
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>

diff --git a/src/quick/scenegraph/qsgcontext.cpp b/src/quick/scenegraph/qsgcontext.cpp
index afde793..90803db 100644 (file)
--- a/src/quick/scenegraph/qsgcontext.cpp
+++ b/src/quick/scenegraph/qsgcontext.cpp
@@ -454,6 +454,8 @@ void QSGRenderContext::initialize(QOpenGLContext *context)
     const char *renderer = (const char *) glGetString(GL_RENDERER);
     if (strstr(renderer, "llvmpipe"))
         m_serializedRender = true;
+    if (strstr(vendor, "Hisilicon Technologies") && strstr(renderer, "Immersion.16"))
+        m_brokenIBOs = true;
 #endif
 
     emit initialized();