From e1aedde8882e18aa00a6143aecaddbac208de7a5 Mon Sep 17 00:00:00 2001
From: korenkonder <admin@mysterious-home.net>
Date: Mon, 15 Apr 2024 15:41:58 +0300
Subject: [PATCH] Texture stuff

---
 src/CRE/texture.cpp | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/CRE/texture.cpp b/src/CRE/texture.cpp
index de1c508b..fc238e67 100644
--- a/src/CRE/texture.cpp
+++ b/src/CRE/texture.cpp
@@ -450,19 +450,19 @@ static void texture_get_format_type_by_internal_format(GLenum internal_format, G
     GLenum _type;
     switch (internal_format) {
     case GL_ALPHA8:
-        _format = GL_ALPHA;
+        _format = GL_R;
         _type = GL_UNSIGNED_BYTE;
         break;
     case GL_LUMINANCE8:
-        _format = GL_LUMINANCE;
+        _format = GL_R;
         _type = GL_UNSIGNED_BYTE;
         break;
     case GL_LUMINANCE8_ALPHA8:
-        _format = GL_LUMINANCE_ALPHA;
+        _format = GL_RG;
         _type = GL_UNSIGNED_BYTE;
         break;
     case GL_INTENSITY8:
-        _format = GL_INTENSITY;
+        _format = GL_R;
         _type = GL_UNSIGNED_BYTE;
         break;
     case GL_RGB5:
@@ -702,6 +702,13 @@ static texture* texture_load_tex(texture_id id, GLenum target,
         swizzle[3] = GL_GREEN;
         glTexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
         break;
+    case GL_INTENSITY8:
+        swizzle[0] = GL_RED;
+        swizzle[1] = GL_RED;
+        swizzle[2] = GL_RED;
+        swizzle[3] = GL_RED;
+        glTexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
+        break;
     }
 
     GLuint working_internal_format = texture_get_working_internal_format(internal_format);