cpp/openttd-patchpack/source Changeset - r24907:50a084473088

Changeset - r24907:50a084473088

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Michael Lutz - 3 years ago 2021-01-16 15:43:40
michi@icosahedron.de

Codechange: Allow blitter factories to decide at runtime if the blitter is usable.

1 file changed with 10 insertions and 1 deletions:

src/blitter/factory.hpp

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src/blitter/factory.hpp

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@@ @@ -73,6 +73,15 @@ protected: @@
+		}
+	}
 	/**
 	 * Is the blitter usable with the current drivers and hardware config?
 	 * @return True if the blitter can be instantiated.
 	 */
 	virtual bool IsUsable() const
+	{
 		return true;
+	}
 public:
 	virtual ~BlitterFactory()
+	{
@@ @@ -119,7 +128,7 @@ public: @@
 		for (; it != GetBlitters().end(); it++) {
 			BlitterFactory *b = (*it).second;
 			if (strcasecmp(bname, b->name.c_str()) == 0) {
 				return b;
+				return b->IsUsable() ? b : nullptr;
+			}
+		}
 		return nullptr;

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