X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fquery.h;fp=source%2Fcore%2Fquery.h;h=aaa993e389f2c17070fe7956d31bdc7fa3bcaa81;hb=052b85720688900bc36f8844a94269cb1c0cdd52;hp=0000000000000000000000000000000000000000;hpb=bae374a3cda6a1b59f36016624ef518bf2676355;p=libs%2Fgl.git

diff --git a/source/core/query.h b/source/core/query.h
new file mode 100644
index 00000000..aaa993e3
--- /dev/null
+++ b/source/core/query.h
@@ -0,0 +1,54 @@
+#ifndef MSP_GL_QUERY_H_
+#define MSP_GL_QUERY_H_
+
+#include <vector>
+#include <msp/core/noncopyable.h>
+
+namespace Msp {
+namespace GL {
+
+class Renderer;
+
+enum QueryType
+{
+	OCCLUSION_QUERY
+};
+
+class QueryPool: public Msp::NonCopyable
+{
+	friend class Commands;
+
+public:
+	class Activate
+	{
+	private:
+		Renderer &renderer;
+		const QueryPool &pool;
+		unsigned index;
+
+	public:
+		Activate(Renderer &, const QueryPool &, unsigned);
+		~Activate();
+	};
+
+private:
+	QueryType type;
+	unsigned gl_type;
+	std::vector<unsigned> queries;
+
+public:
+	QueryPool(QueryType type, unsigned);
+	~QueryPool();
+
+	void resize(unsigned);
+	unsigned get_size() const { return queries.size(); }
+
+	unsigned get_result(unsigned) const;
+};
+
+unsigned get_gl_query_type(QueryType);
+
+} // namespace Msp
+} // namespace GL
+
+#endif