1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/image/benches/decode.rs b/vendor/image/benches/decode.rs
new file mode 100644
index 0000000..3702d69
--- /dev/null
+++ b/vendor/image/benches/decode.rs
@@ -0,0 +1,109 @@
+use std::{fs, iter, path};
+
+use criterion::{criterion_group, criterion_main, Criterion};
+use image::ImageFormat;
+
+#[derive(Clone, Copy)]
+struct BenchDef {
+    dir: &'static [&'static str],
+    files: &'static [&'static str],
+    format: ImageFormat,
+}
+
+fn load_all(c: &mut Criterion) {
+    const BENCH_DEFS: &'static [BenchDef] = &[
+        BenchDef {
+            dir: &["bmp", "images"],
+            files: &[
+                "Core_1_Bit.bmp",
+                "Core_4_Bit.bmp",
+                "Core_8_Bit.bmp",
+                "rgb16.bmp",
+                "rgb24.bmp",
+                "rgb32.bmp",
+                "pal4rle.bmp",
+                "pal8rle.bmp",
+                "rgb16-565.bmp",
+                "rgb32bf.bmp",
+            ],
+            format: ImageFormat::Bmp,
+        },
+        BenchDef {
+            dir: &["gif", "simple"],
+            files: &["alpha_gif_a.gif", "sample_1.gif"],
+            format: ImageFormat::Gif,
+        },
+        BenchDef {
+            dir: &["hdr", "images"],
+            files: &["image1.hdr", "rgbr4x4.hdr"],
+            format: ImageFormat::Hdr,
+        },
+        BenchDef {
+            dir: &["ico", "images"],
+            files: &[
+                "bmp-24bpp-mask.ico",
+                "bmp-32bpp-alpha.ico",
+                "png-32bpp-alpha.ico",
+                "smile.ico",
+            ],
+            format: ImageFormat::Ico,
+        },
+        BenchDef {
+            dir: &["jpg", "progressive"],
+            files: &["3.jpg", "cat.jpg", "test.jpg"],
+            format: ImageFormat::Jpeg,
+        },
+        // TODO: pnm
+        // TODO: png
+        BenchDef {
+            dir: &["tga", "testsuite"],
+            files: &["cbw8.tga", "ctc24.tga", "ubw8.tga", "utc24.tga"],
+            format: ImageFormat::Tga,
+        },
+        BenchDef {
+            dir: &["tiff", "testsuite"],
+            files: &[
+                "hpredict.tiff",
+                "hpredict_packbits.tiff",
+                "mandrill.tiff",
+                "rgb-3c-16b.tiff",
+            ],
+            format: ImageFormat::Tiff,
+        },
+        BenchDef {
+            dir: &["webp", "images"],
+            files: &[
+                "simple-gray.webp",
+                "simple-rgb.webp",
+                "vp8x-gray.webp",
+                "vp8x-rgb.webp",
+            ],
+            format: ImageFormat::WebP,
+        },
+    ];
+
+    for bench in BENCH_DEFS {
+        bench_load(c, bench);
+    }
+}
+
+criterion_group!(benches, load_all);
+criterion_main!(benches);
+
+fn bench_load(c: &mut Criterion, def: &BenchDef) {
+    let group_name = format!("load-{:?}", def.format);
+    let mut group = c.benchmark_group(&group_name);
+    let paths = IMAGE_DIR.iter().chain(def.dir);
+
+    for file_name in def.files {
+        let path: path::PathBuf = paths.clone().chain(iter::once(file_name)).collect();
+        let buf = fs::read(path).unwrap();
+        group.bench_function(file_name.to_owned(), |b| {
+            b.iter(|| {
+                image::load_from_memory_with_format(&buf, def.format).unwrap();
+            })
+        });
+    }
+}
+
+const IMAGE_DIR: [&'static str; 3] = [".", "tests", "images"];