X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fstructurebuilder.h;fp=source%2Fbackends%2Fvulkan%2Fstructurebuilder.h;h=f59153fd7ca5f0b4037163dd385e6595e42fa279;hb=99ca354f18119f82f1adeca100cd665a8f640317;hp=0000000000000000000000000000000000000000;hpb=4cd245dafe6a7ee5c93edca5aee2d146f1155309;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/structurebuilder.h b/source/backends/vulkan/structurebuilder.h
new file mode 100644
index 00000000..f59153fd
--- /dev/null
+++ b/source/backends/vulkan/structurebuilder.h
@@ -0,0 +1,36 @@
+#ifndef MSP_GL_VULKAN_STRUCTUREBUILDER_H_
+#define MSP_GL_VULKAN_STRUCTUREBUILDER_H_
+
+#include <cstdlib>
+#include <vector>
+
+namespace Msp {
+namespace GL {
+
+class StructureBuilder
+{
+private:
+	struct Part
+	{
+		std::size_t offset = 0;
+		void *pointer = 0;
+	};
+
+	std::vector<char> &storage;
+	std::vector<Part> parts;
+
+public:
+	StructureBuilder(std::vector<char> &, unsigned);
+
+	template<typename T>
+	T *&add(std::size_t count = 1)
+	{ return reinterpret_cast<T *&>(add(sizeof(T)*count, alignof(T))); }
+
+private:
+	void *&add(std::size_t, std::size_t);
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif