From cd15da52eac6471f860f4232161c451530dc9bd4 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 1 Oct 2021 20:00:17 +0300
Subject: [PATCH] Store query pool size separately, in the common part of the
 class

---
 source/backends/opengl/query_backend.cpp | 13 +++++++------
 source/backends/opengl/query_backend.h   |  3 +--
 source/core/query.cpp                    |  9 ++++++++-
 source/core/query.h                      |  5 +++--
 4 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/source/backends/opengl/query_backend.cpp b/source/backends/opengl/query_backend.cpp
index b445be37..07360ba5 100644
--- a/source/backends/opengl/query_backend.cpp
+++ b/source/backends/opengl/query_backend.cpp
@@ -24,15 +24,16 @@ OpenGLQueryPool::~OpenGLQueryPool()
 	glDeleteQueries(queries.size(), queries.data());
 }
 
-void OpenGLQueryPool::resize(unsigned s)
+void OpenGLQueryPool::resize()
 {
-	if(s<queries.size())
-		glDeleteQueries(queries.size()-s, queries.data()+s);
+	unsigned size = static_cast<const QueryPool *>(this)->size;
+	if(size<queries.size())
+		glDeleteQueries(queries.size()-size, queries.data()+size);
 
 	unsigned old_size = queries.size();
-	queries.resize(s);
-	if(s>old_size)
-		glGenQueries(s-old_size, queries.data()+old_size);
+	queries.resize(size);
+	if(size>old_size)
+		glGenQueries(size-old_size, queries.data()+old_size);
 }
 
 unsigned OpenGLQueryPool::get_result(unsigned i) const
diff --git a/source/backends/opengl/query_backend.h b/source/backends/opengl/query_backend.h
index 9365b24b..7bbbeb66 100644
--- a/source/backends/opengl/query_backend.h
+++ b/source/backends/opengl/query_backend.h
@@ -17,8 +17,7 @@ protected:
 	OpenGLQueryPool(unsigned);
 	~OpenGLQueryPool();
 
-	void resize(unsigned);
-	unsigned get_size() const { return queries.size(); }
+	void resize();
 
 	unsigned get_result(unsigned) const;
 };
diff --git a/source/core/query.cpp b/source/core/query.cpp
index f075cada..13b62801 100644
--- a/source/core/query.cpp
+++ b/source/core/query.cpp
@@ -6,11 +6,18 @@ namespace GL {
 
 QueryPool::QueryPool(QueryType t, unsigned s):
 	QueryPoolBackend(t),
-	type(t)
+	type(t),
+	size(0)
 {
 	resize(s);
 }
 
+void QueryPool::resize(unsigned s)
+{
+	size = s;
+	QueryPoolBackend::resize();
+}
+
 
 QueryPool::Activate::Activate(Renderer &r, const QueryPool &p, unsigned i):
 	renderer(r),
diff --git a/source/core/query.h b/source/core/query.h
index f6b0a2e5..5bcae284 100644
--- a/source/core/query.h
+++ b/source/core/query.h
@@ -33,12 +33,13 @@ public:
 
 private:
 	QueryType type;
+	unsigned size;
 
 public:
 	QueryPool(QueryType type, unsigned);
 
-	using QueryPoolBackend::resize;
-	using QueryPoolBackend::get_size;
+	void resize(unsigned);
+	unsigned get_size() const { return size; }
 
 	using QueryPoolBackend::get_result;
 };
-- 
2.43.0