image: add cmake feature flags

maia-s · Jan 24, 2025 · b4b5408 · b4b5408
1 parent 5704593
commit b4b5408
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Showing 5 changed files with 188 additions and 0 deletions.
diff --git a/build-common.rs b/build-common.rs
@@ -7,6 +7,21 @@ type Config = cmake::Config;
 #[cfg(not(feature = "build-from-source"))]
 type Config = ();
 
+#[allow(unused)]
+macro_rules! cmake_vars {
+    ($config:ident => $($cvar:ident),* $(,)?) => {
+        $(
+            let cvar = stringify!($cvar);
+            if env::var_os(format!("CARGO_FEATURE_NO_{cvar}")).is_some() {
+                $config.define(cvar, "OFF");
+            }
+            if env::var_os(format!("CARGO_FEATURE_{cvar}")).is_some() {
+                $config.define(cvar, "ON");
+            }
+        )*
+    }
+}
+
 #[cfg(all(windows, feature = "build-from-source", not(feature = "link-static")))]
 // based on find_cargo_target_dir from sdl2-sys
 fn top_level_cargo_target_dir() -> std::path::PathBuf {

diff --git a/sdl3-image-sys/Cargo.toml b/sdl3-image-sys/Cargo.toml
@@ -20,6 +20,9 @@ build-from-source = ["dep:cmake", "dep:rpkg-config", "dep:sdl3-image-src"]
 # Build and link a static SDL3_image library from source
 build-from-source-static = ["build-from-source", "link-static"]
 
+# Build and link a static SDL3_image library from source using vendored libraries
+build-static-vendored = ["build-from-source-static", "sdlimage-vendored"]
+
 # Link SDL3_image as a static library. The default is to link a shared/dynamic library.
 link-static = []
 
@@ -35,6 +38,112 @@ use-vcpkg = ["dep:vcpkg"]
 # Implement the Debug trait for applicable types
 debug-impls = []
 
+no-default-anything = [
+    "no-default-backends",
+    "no-default-formats",
+]
+
+no-default-backends = [
+    "no-sdlimage-backend-imageio",
+    "no-sdlimage-backend-stb",
+    "no-sdlimage-backend-wic",
+]
+
+no-default-formats = [
+    "no-sdlimage-avif",
+    "no-sdlimage-bmp",
+    "no-sdlimage-gif",
+    "no-sdlimage-jpg",
+    "no-sdlimage-jxl",
+    "no-sdlimage-lbm",
+    "no-sdlimage-pcx",
+    "no-sdlimage-png",
+    "no-sdlimage-pnm",
+    "no-sdlimage-qoi",
+    "no-sdlimage-svg",
+    "no-sdlimage-tga",
+    "no-sdlimage-tif",
+    "no-sdlimage-webp",
+    "no-sdlimage-xcf",
+    "no-sdlimage-xpm",
+    "no-sdlimage-xv",
+    "no-sdlimage-avif-save",
+    "no-sdlimage-jpg-save",
+    "no-sdlimage-png-save",
+]
+
+sdlimage-deps-shared = []
+no-sdlimage-deps-shared = []
+
+sdlimage-vendored = []
+no-sdlimage-vendored = []
+
+sdlimage-backend-imageio = []
+sdlimage-backend-stb = []
+sdlimage-backend-wic = []
+
+no-sdlimage-backend-imageio = []
+no-sdlimage-backend-stb = []
+no-sdlimage-backend-wic = []
+
+sdlimage-avif = []
+sdlimage-bmp = []
+sdlimage-gif = []
+sdlimage-jpg = []
+sdlimage-jxl = []
+sdlimage-lbm = []
+sdlimage-pcx = []
+sdlimage-png = []
+sdlimage-pnm = []
+sdlimage-qoi = []
+sdlimage-svg = []
+sdlimage-tga = []
+sdlimage-tif = []
+sdlimage-webp = []
+sdlimage-xcf = []
+sdlimage-xpm = []
+sdlimage-xv = []
+
+no-sdlimage-avif = []
+no-sdlimage-bmp = []
+no-sdlimage-gif = []
+no-sdlimage-jpg = []
+no-sdlimage-jxl = []
+no-sdlimage-lbm = []
+no-sdlimage-pcx = []
+no-sdlimage-png = []
+no-sdlimage-pnm = []
+no-sdlimage-qoi = []
+no-sdlimage-svg = []
+no-sdlimage-tga = []
+no-sdlimage-tif = []
+no-sdlimage-webp = []
+no-sdlimage-xcf = []
+no-sdlimage-xpm = []
+no-sdlimage-xv = []
+
+sdlimage-avif-save = ["sdlimage-avif"]
+sdlimage-jpg-save = ["sdlimage-jpg"]
+sdlimage-png-save = ["sdlimage-png"]
+
+no-sdlimage-avif-save = []
+no-sdlimage-jpg-save = []
+no-sdlimage-png-save = []
+
+sdlimage-avif-shared = ["sdlimage-avif"]
+sdlimage-jpg-shared = ["sdlimage-jpg"]
+sdlimage-jxl-shared = ["sdlimage-jxl"]
+sdlimage-png-shared = ["sdlimage-png"]
+sdlimage-tif-shared = ["sdlimage-tif"]
+sdlimage-webp-shared = ["sdlimage-webp"]
+
+no-sdlimage-avif-shared = []
+no-sdlimage-jpg-shared = []
+no-sdlimage-jxl-shared = []
+no-sdlimage-png-shared = []
+no-sdlimage-tif-shared = []
+no-sdlimage-webp-shared = []
+
 [dependencies]
 sdl3-sys = { version = "0.4", path = "../sdl3-sys" }
 

diff --git a/sdl3-image-sys/build-common.rs b/sdl3-image-sys/build-common.rs
@@ -7,6 +7,21 @@ type Config = cmake::Config;
 #[cfg(not(feature = "build-from-source"))]
 type Config = ();
 
+#[allow(unused)]
+macro_rules! cmake_vars {
+    ($config:ident => $($cvar:ident),* $(,)?) => {
+        $(
+            let cvar = stringify!($cvar);
+            if env::var_os(format!("CARGO_FEATURE_NO_{cvar}")).is_some() {
+                $config.define(cvar, "OFF");
+            }
+            if env::var_os(format!("CARGO_FEATURE_{cvar}")).is_some() {
+                $config.define(cvar, "ON");
+            }
+        )*
+    }
+}
+
 #[cfg(all(windows, feature = "build-from-source", not(feature = "link-static")))]
 // based on find_cargo_target_dir from sdl2-sys
 fn top_level_cargo_target_dir() -> std::path::PathBuf {

diff --git a/sdl3-image-sys/build.rs b/sdl3-image-sys/build.rs
@@ -20,6 +20,40 @@ fn main() -> Result<(), Box<dyn Error>> {
             if cfg!(feature = "link-static") {
                 config.define("BUILD_SHARED_LIBS", "OFF");
             }
+
+            cmake_vars! { config =>
+                SDLIMAGE_DEPS_SHARED,
+                SDLIMAGE_VENDORED,
+                SDLIMAGE_BACKEND_STB,
+                SDLIMAGE_BACKEND_WIC,
+                SDLIMAGE_BACKEND_IMAGEIO,
+                SDLIMAGE_AVIF,
+                SDLIMAGE_BMP,
+                SDLIMAGE_GIF,
+                SDLIMAGE_JPG,
+                SDLIMAGE_JXL,
+                SDLIMAGE_LBM,
+                SDLIMAGE_PCX,
+                SDLIMAGE_PNG,
+                SDLIMAGE_PNM,
+                SDLIMAGE_QOI,
+                SDLIMAGE_SVG,
+                SDLIMAGE_TGA,
+                SDLIMAGE_TIF,
+                SDLIMAGE_WEBP,
+                SDLIMAGE_XCF,
+                SDLIMAGE_XPM,
+                SDLIMAGE_XV,
+                SDLIMAGE_AVIF_SAVE,
+                SDLIMAGE_JPG_SAVE,
+                SDLIMAGE_PNG_SAVE,
+                SDLIMAGE_AVIF_SHARED,
+                SDLIMAGE_JPG_SHARED,
+                SDLIMAGE_JXL_SHARED,
+                SDLIMAGE_PNG_SHARED,
+                SDLIMAGE_TIF_SHARED,
+                SDLIMAGE_WEBP_SHARED,
+            }
         }
         Ok(())
     })?;

diff --git a/sdl3-sys/build-common.rs b/sdl3-sys/build-common.rs
@@ -7,6 +7,21 @@ type Config = cmake::Config;
 #[cfg(not(feature = "build-from-source"))]
 type Config = ();
 
+#[allow(unused)]
+macro_rules! cmake_vars {
+    ($config:ident => $($cvar:ident),* $(,)?) => {
+        $(
+            let cvar = stringify!($cvar);
+            if env::var_os(format!("CARGO_FEATURE_NO_{cvar}")).is_some() {
+                $config.define(cvar, "OFF");
+            }
+            if env::var_os(format!("CARGO_FEATURE_{cvar}")).is_some() {
+                $config.define(cvar, "ON");
+            }
+        )*
+    }
+}
+
 #[cfg(all(windows, feature = "build-from-source", not(feature = "link-static")))]
 // based on find_cargo_target_dir from sdl2-sys
 fn top_level_cargo_target_dir() -> std::path::PathBuf {