Shrinking UI elements in the debugger.

src/xenia/ui/gl/gl4_elemental_renderer.cc

@@ -40,6 +40,8 @@ GL4ElementalRenderer::GL4Bitmap::~GL4Bitmap() {
 
 bool GL4ElementalRenderer::GL4Bitmap::Init(int width, int height,
                                            uint32_t* data) {
+  GraphicsContextLock lock(context_);
+
   assert(width == el::util::GetNearestPowerOfTwo(width));
   assert(height == el::util::GetNearestPowerOfTwo(height));
   width_ = width;

src/xenia/ui/gl/gl_context.cc

@@ -414,6 +414,10 @@ std::unique_ptr<el::graphics::Renderer> GLContext::CreateElementalRenderer() {
   return GL4ElementalRenderer::Create(this);
 }
 
+bool GLContext::is_current() {
+  return tls_glew_context_ == glew_context_.get();
+}
+
 bool GLContext::MakeCurrent() {
   SCOPE_profile_cpu_f("gpu");
   if (FLAGS_thread_safe_gl) {

src/xenia/ui/gl/gl_context.h

@@ -40,6 +40,7 @@ class GLContext : public GraphicsContext {
   std::unique_ptr<ProfilerDisplay> CreateProfilerDisplay() override;
   std::unique_ptr<el::graphics::Renderer> CreateElementalRenderer() override;
 
+  bool is_current() override;
   bool MakeCurrent() override;
   void ClearCurrent() override;