1 files changed, 47 insertions, 0 deletions
diff --git a/srcds-pkgs/compressonator-sdk.nix b/srcds-pkgs/compressonator-sdk.nix
new file mode 100644
index 0000000..bdfd4c5
--- /dev/null
+++ b/srcds-pkgs/compressonator-sdk.nix
@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, openexr, glm, mesa }:
+stdenv.mkDerivation rec {
+  pname = "compressonator-sdk";
+  version = "4.5.52";
+
+  src = fetchFromGitHub {
+    owner = "GPUOpen-Tools";
+    repo = "compressonator";
+    rev = "V${version}";
+    hash = "sha256-Vehzdlx39LX3p3z+U1y/ZbKyyPNuye21+RHCY2BbNHg=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ openexr glm mesa ];
+
+  cmakeFlags = [
+    "-DOPTION_ENABLE_ALL_APPS=OFF"
+    "-DOPTION_BUILD_CMP_SDK=ON"
+    "-DOPTION_BUILD_KTX2=OFF"
+  ];
+  
+  postPatch = ''
+    # the call sites for this are guarded behind ifdef OPTION_CMP_OPENCV but
+    # for some reason the thing itself isn't, and still gets built (???)
+    rm applications/_plugins/common/ssim*
+    sed -i '/ssim/d' applications/_plugins/common/CMakeLists.txt
+  '' + lib.optionalString stdenv.isAarch64 ''
+    # still plenty fast for our purposes
+    sed -i '/Core SIMD/,/target_link_libraries/d' \
+      {build/sdk/,}cmp_core/CMakeLists.txt
+    sed -i '/CGU_BOOL useAVX512/,/return result;/d' \
+      cmp_core/shaders/bc1_cmp.h
+  '';
+
+  installPhase = ''
+    mkdir -p $out/include
+    mv lib $out/
+    mv ../cmp_compressonatorlib/compressonator.h $out/include/
+  '';
+  
+  meta = {
+    homepage = src.url;
+    description = "Tool suite for Texture and 3D Model Compression, Optimization and Analysis using CPUs, GPUs and APUs";
+    license = with lib.licenses; [ mit asl20 ];
+    platforms = lib.platforms.unix;
+  };
+}
+\ No newline at end of file