From 3a3d93c7db96c7d4a1ff4785755c4c16599b1e92 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Wed, 30 Sep 2020 16:21:16 +0300
Subject: [PATCH] Add signed & two-component pixel traits

---
 libs/gfx/include/psemek/gfx/texture.hpp | 40 +++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/libs/gfx/include/psemek/gfx/texture.hpp b/libs/gfx/include/psemek/gfx/texture.hpp
index 411bf6a3..80b9ad7e 100644
--- a/libs/gfx/include/psemek/gfx/texture.hpp
+++ b/libs/gfx/include/psemek/gfx/texture.hpp
@@ -18,6 +18,14 @@ namespace psemek::gfx
 		static constexpr GLenum type = gl::UNSIGNED_BYTE;
 	};
 
+	template <>
+	struct pixel_traits<geom::vector<std::uint8_t, 2>>
+	{
+		static constexpr GLenum internal_format = gl::RG8;
+		static constexpr GLenum format = gl::RG;
+		static constexpr GLenum type = gl::UNSIGNED_BYTE;
+	};
+
 	template <>
 	struct pixel_traits<geom::vector<std::uint8_t, 3>>
 	{
@@ -34,6 +42,38 @@ namespace psemek::gfx
 		static constexpr GLenum type = gl::UNSIGNED_BYTE;
 	};
 
+	template <>
+	struct pixel_traits<std::int8_t>
+	{
+		static constexpr GLenum internal_format = gl::R8;
+		static constexpr GLenum format = gl::RED;
+		static constexpr GLenum type = gl::BYTE;
+	};
+
+	template <>
+	struct pixel_traits<geom::vector<std::int8_t, 2>>
+	{
+		static constexpr GLenum internal_format = gl::RG8;
+		static constexpr GLenum format = gl::RG;
+		static constexpr GLenum type = gl::BYTE;
+	};
+
+	template <>
+	struct pixel_traits<geom::vector<std::int8_t, 3>>
+	{
+		static constexpr GLenum internal_format = gl::RGB8;
+		static constexpr GLenum format = gl::RGB;
+		static constexpr GLenum type = gl::BYTE;
+	};
+
+	template <>
+	struct pixel_traits<geom::vector<std::int8_t, 4>>
+	{
+		static constexpr GLenum internal_format = gl::RGBA8;
+		static constexpr GLenum format = gl::RGBA;
+		static constexpr GLenum type = gl::BYTE;
+	};
+
 	template <>
 	struct pixel_traits<float>
 	{