Add bmp as a supported texture format (#1081)

Author: ryanleecode

Cargo.toml

@@ -58,6 +58,7 @@ png = ["bevy_internal/png"]
 dds = ["bevy_internal/dds"]
 tga = ["bevy_internal/tga"]
 jpeg = ["bevy_internal/jpeg"]
+bmp = ["bevy_internal/bmp"]
 
 # Audio format support (MP3 is enabled by default)
 flac = ["bevy_internal/flac"]
@@ -382,4 +383,3 @@ icon = "@mipmap/ic_launcher"
 build_targets = ["aarch64-linux-android", "armv7-linux-androideabi"]
 min_sdk_version = 16
 target_sdk_version = 29
-

crates/bevy_internal/Cargo.toml

@@ -24,6 +24,7 @@ png = ["bevy_render/png"]
 dds = ["bevy_render/dds"]
 tga = ["bevy_render/tga"]
 jpeg = ["bevy_render/jpeg"]
+bmp = ["bevy_render/bmp"]
 
 # Audio format support (MP3 is enabled by default)
 flac = ["bevy_audio/flac"]

crates/bevy_render/Cargo.toml

@@ -56,3 +56,4 @@ hdr = ["image/hdr"]
 dds = ["image/dds"]
 tga = ["image/tga"]
 jpeg = ["image/jpeg"]
+bmp = ["image/bmp"]

crates/bevy_render/src/texture/image_texture_loader.rs

@@ -4,12 +4,10 @@ use bevy_asset::{AssetLoader, LoadContext, LoadedAsset};
 use bevy_utils::BoxedFuture;
 
 /// Loader for images that can be read by the `image` crate.
-///
-/// Reads only PNG images for now.
 #[derive(Clone, Default)]
 pub struct ImageTextureLoader;
 
-const FILE_EXTENSIONS: &[&str] = &["png", "dds", "tga", "jpg", "jpeg"];
+const FILE_EXTENSIONS: &[&str] = &["png", "dds", "tga", "jpg", "jpeg", "bmp"];
 
 impl AssetLoader for ImageTextureLoader {
     fn load<'a>(
@@ -163,3 +161,15 @@ impl AssetLoader for ImageTextureLoader {
         FILE_EXTENSIONS
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_supported_file_extensions() {
+        for ext in FILE_EXTENSIONS {
+            assert!(image::ImageFormat::from_extension(ext).is_some())
+        }
+    }
+}