From c02cf794fec9abd187e7bab765ac66921222523a Mon Sep 17 00:00:00 2001
From: wheremyfoodat <gponiris2004@gmail.com>
Date: Thu, 2 Mar 2023 23:19:03 +0200
Subject: [PATCH] [PICA] Add A8 textures

---
 src/core/renderer_gl/textures.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/core/renderer_gl/textures.cpp b/src/core/renderer_gl/textures.cpp
index 6e7ea3b1..1e02f574 100644
--- a/src/core/renderer_gl/textures.cpp
+++ b/src/core/renderer_gl/textures.cpp
@@ -147,6 +147,15 @@ u32 Texture::decodeTexel(u32 u, u32 v, Texture::Formats fmt, const void* data) {
             return (alpha << 24) | (intensity << 16) | (intensity << 8) | intensity;
         }
 
+        case Formats::A8: {
+            u32 offset = getSwizzledOffset(u, v, size.u(), 1);
+            auto ptr = static_cast<const u8*>(data);
+            const u8 alpha = ptr[offset];
+
+            // A8 sets RGB to 0
+            return (alpha << 24) | (0 << 16) | (0 << 8) | 0;
+        }
+
         case Formats::I8: {
             u32 offset = getSwizzledOffset(u, v, size.u(), 1);
             auto ptr = static_cast<const u8*>(data);