From 182f823116458ad357823f4cc56638980aafa0f6 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan.goodliffe@octal.co.uk>
Date: Fri, 6 Mar 2026 14:11:38 +0000
Subject: Replace generic glBuffer type alias with a full implementation

Adds wrappers for DSA storage and data uploads.
---
 gfx/gl/glBuffer.h | 27 +++++++++++++++++++++++++++
 gfx/models/mesh.h |  1 +
 2 files changed, 28 insertions(+)
 create mode 100644 gfx/gl/glBuffer.h

(limited to 'gfx')

diff --git a/gfx/gl/glBuffer.h b/gfx/gl/glBuffer.h
new file mode 100644
index 0000000..f43c223
--- /dev/null
+++ b/gfx/gl/glBuffer.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include "glArrays.h"
+
+namespace Impl {
+	// NOLINTNEXTLINE(readability-identifier-naming)
+	struct glBuffer : Detail::glNamed {
+		void
+		storage(const std::ranges::contiguous_range auto & data, GLenum flags)
+		{
+			glNamedBufferStorage(
+					name, static_cast<GLsizeiptr>(data.size() * sizeof(decltype(*data.data()))), data.data(), flags);
+		}
+
+		void
+		data(const std::ranges::contiguous_range auto & data, GLenum flags)
+		{
+			glNamedBufferData(
+					name, static_cast<GLsizeiptr>(data.size() * sizeof(decltype(*data.data()))), data.data(), flags);
+		}
+	};
+}
+
+// NOLINTBEGIN(readability-identifier-naming)
+template<size_t N> using glBuffers = glManagedArray<Impl::glBuffer, N, &glCreateBuffers, &glDeleteBuffers>;
+using glBuffer = glManagedSingle<Impl::glBuffer, &glCreateBuffers, &glDeleteBuffers>;
+// NOLINTEND(readability-identifier-naming)
diff --git a/gfx/models/mesh.h b/gfx/models/mesh.h
index d6ac171..4135a30 100644
--- a/gfx/models/mesh.h
+++ b/gfx/models/mesh.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "config/types.h"
+#include "gfx/gl/glBuffer.h"
 #include "gfx/gl/vertexArrayObject.h"
 #include <gfx/gl/glVertexArray.h>
 #include <glad/gl.h>
-- 
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