From 84db6052b3c7599f94d75aa5028c085e0c4aeaf5 Mon Sep 17 00:00:00 2001
From: wheremyfoodat <gponiris2004@gmail.com>
Date: Mon, 3 Apr 2023 18:12:03 +0300
Subject: [PATCH] [PICA] Implement RG8 textures

---
 include/renderer_gl/textures.hpp  |  1 -
 src/core/renderer_gl/textures.cpp | 11 +++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/renderer_gl/textures.hpp b/include/renderer_gl/textures.hpp
index 427c6361..f047e01f 100644
--- a/include/renderer_gl/textures.hpp
+++ b/include/renderer_gl/textures.hpp
@@ -80,5 +80,4 @@ struct Texture {
     // TODO: Make hasAlpha a template parameter
     u32 getTexelETC(bool hasAlpha, u32 u, u32 v, u32 width, const void* data);
     u32 decodeETC(u32 alpha, u32 u, u32 v, u64 colourData);
-
 };
\ No newline at end of file
diff --git a/src/core/renderer_gl/textures.cpp b/src/core/renderer_gl/textures.cpp
index 3e43c1ad..5ac7e907 100644
--- a/src/core/renderer_gl/textures.cpp
+++ b/src/core/renderer_gl/textures.cpp
@@ -131,6 +131,17 @@ u32 Texture::decodeTexel(u32 u, u32 v, Texture::Formats fmt, const void* data) {
             return (0xff << 24) | (b << 16) | (g << 8) | r;
         }
 
+        case Formats::RG8: {
+            u32 offset = getSwizzledOffset(u, v, size.u(), 2);
+            auto ptr = static_cast<const u8*>(data);
+
+            constexpr u8 b = 0;
+            u8 g = ptr[offset];
+            u8 r = ptr[offset + 1];
+
+            return (0xff << 24) | (b << 16) | (g << 8) | r;
+        }
+
         case Formats::RGB8: {
             u32 offset = getSwizzledOffset(u, v, size.u(), 3);
             auto ptr = static_cast<const u8*>(data);