sapp-kms: Support linux in KMS mode

Cargo.toml

@@ -14,7 +14,8 @@ keywords = ["graphics", "3D", "opengl", "gamedev", "windowing"]
 categories = ["rendering::graphics-api"]
 
 [features]
-default = []
+default = ["sapp-linux"]
+kms = ["sapp-kms"]
 
 # Optional log-rs like macros implementation
 # disabled by default
@@ -24,7 +25,9 @@ log-impl = []
 sapp-windows = { path ="./native/sapp-windows", version = "=0.2.13" }
 
 [target.'cfg(target_os = "linux")'.dependencies]
-sapp-linux = { path ="./native/sapp-linux", version = "=0.1.9" }
+sapp-linux = { path ="./native/sapp-linux", version = "=0.1.9", optional = true }
+
+sapp-kms = { path ="./native/sapp-kms", version = "=0.1.0", optional = true }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 sapp-darwin = { path = "./native/sapp-darwin", version = "=0.1.3" }

native/sapp-kms/.gitignore

@@ -0,0 +1,3 @@
+/target
+*/.rs.bk
+Cargo.lock

native/sapp-kms/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "sapp-kms"
+version = "0.1.0"
+authors = ["not-fl3 <not.fl3@gmail.com>"]
+edition = "2018"
+license = "MIT/Apache-2.0"
+build = "build.rs"
+description = """
+Part of miniquad rendering library. 
+Orignally this was a sokol-app C code transpiled to rust with c2rust and partially rewritten to more idiomatic rust.
+"""
+homepage = "https://github.com/not-fl3/miniquad"
+
+[dependencies]
+libc = "0.2"
+
+[build-dependencies]
+cc = "1.0"

native/sapp-kms/build.rs

@@ -0,0 +1,7 @@
+
+fn main() {
+    println!("cargo:rustc-link-lib=dylib=GLESv2");
+    println!("cargo:rustc-link-lib=dylib=EGL");
+    println!("cargo:rustc-link-lib=dylib=drm");
+    println!("cargo:rustc-link-lib=dylib=gbm");
+}