Move EnableDepthTest functionality into a bool alpha_blend var on ImmediateDraw.

src/xenia/ui/gl/gl_immediate_drawer.cc

@@ -228,6 +228,14 @@ void GLImmediateDrawer::Draw(const ImmediateDraw& draw) {
     glDisable(GL_SCISSOR_TEST);
   }
 
+  if (draw.alpha_blend) {
+    glEnablei(GL_BLEND, 0);
+    glBlendEquationi(0, GL_FUNC_ADD);
+    glBlendFunci(0, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  } else {
+    glDisablei(GL_BLEND, 0);
+  }
+
   if (draw.texture_handle) {
     glBindTextureUnit(0, static_cast<GLuint>(draw.texture_handle));
   } else {
@@ -270,16 +278,6 @@ void GLImmediateDrawer::End() {
   }
 }
 
-void GLImmediateDrawer::EnableAlphaTest(bool enable) {
-  if (enable) {
-    glEnablei(GL_BLEND, 0);
-    glBlendEquationi(0, GL_FUNC_ADD);
-    glBlendFunci(0, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  } else {
-    glDisablei(GL_BLEND, 0);
-  }
-}
-
 }  // namespace gl
 }  // namespace ui
 }  // namespace xe

src/xenia/ui/gl/gl_immediate_drawer.h

@@ -37,8 +37,6 @@ class GLImmediateDrawer : public ImmediateDrawer {
   void EndDrawBatch() override;
   void End() override;
 
-  void EnableAlphaTest(bool enable);
-
  private:
   void InitializeShaders();