From 08e74e913d80693c79c00c18da1130cc5604952c Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 13 Nov 2021 17:01:36 +0200
Subject: [PATCH] Expose the maximum number of attributes and attachments

---
 source/core/frameformat.h  | 5 +++--
 source/core/vertexformat.h | 5 +++--
 source/render/sequence.cpp | 2 +-
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/source/core/frameformat.h b/source/core/frameformat.h
index c55a0f30..669261ff 100644
--- a/source/core/frameformat.h
+++ b/source/core/frameformat.h
@@ -36,9 +36,10 @@ attachments (currently up to seven) as well as a sample count.
 */
 class FrameFormat
 {
-private:
-	enum { MAX_ATTACHMENTS = 7 };
+public:
+	static constexpr unsigned MAX_ATTACHMENTS = 7;
 
+private:
 	std::uint8_t count = 0;
 	std::uint8_t samples = 0;
 	FrameAttachment attachments[MAX_ATTACHMENTS];
diff --git a/source/core/vertexformat.h b/source/core/vertexformat.h
index d5835013..64c89e13 100644
--- a/source/core/vertexformat.h
+++ b/source/core/vertexformat.h
@@ -76,9 +76,10 @@ Describes the attributes of a vertex.  Up to 15 attributes are allowed.
 */
 class VertexFormat
 {
-private:
-	enum { MAX_ATTRIBUTES = 15 };
+public:
+	static constexpr unsigned MAX_ATTRIBUTES = 15;
 
+private:
 	std::uint8_t count = 0;
 	VertexAttribute attributes[MAX_ATTRIBUTES];
 
diff --git a/source/render/sequence.cpp b/source/render/sequence.cpp
index 2a5b351c..6c98b402 100644
--- a/source/render/sequence.cpp
+++ b/source/render/sequence.cpp
@@ -109,7 +109,7 @@ void Sequence::render(Renderer &renderer, Tag tag) const
 			throw invalid_operation("Sequence::render");
 
 		const FrameFormat &format = target_fbo->get_format();
-		ClearValue clear_values[7];
+		ClearValue clear_values[FrameFormat::MAX_ATTACHMENTS];
 		unsigned i = 0;
 		Color default_color = (clear_colors.empty() ? Color(0.0f, 0.0f, 0.0f, 0.0f) : clear_colors.front());
 		ClearValue *cv = clear_values;
-- 
2.43.0