From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 19 Sep 2021 10:33:18 +0000 (+0300)
Subject: Initialize Texture's format to an invalid value
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=8653af6d620206c1a8bab284721256e9ea4e3b74

Initialize Texture's format to an invalid value

This makes it possible to determine if a texture has storage defined or
not.
---

diff --git a/source/core/pixelformat.h b/source/core/pixelformat.h
index 5a5302cd..2f603845 100644
--- a/source/core/pixelformat.h
+++ b/source/core/pixelformat.h
@@ -54,6 +54,7 @@ inadvisable for programs to rely on it.
 */
 enum PixelFormat
 {
+	NO_PIXELFORMAT = 0,
 	R8 = 0x4100|RED,
 	R16F = 0x3200|RED,
 	R32F = 0x3400|RED,
diff --git a/source/core/texture.cpp b/source/core/texture.cpp
index e607792c..877e4d10 100644
--- a/source/core/texture.cpp
+++ b/source/core/texture.cpp
@@ -26,8 +26,8 @@ Texture *Texture::scratch_binding = 0;
 Texture::Texture(GLenum t, ResourceManager *m):
 	id(0),
 	target(t),
-	format(RGB8),
-	storage_fmt(RGB8),
+	format(NO_PIXELFORMAT),
+	storage_fmt(format),
 	swizzle(NO_SWIZZLE),
 	use_srgb_format(false),
 	auto_gen_mipmap(false)