chrisbell/rmlui-raylib-backend
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added readme and removed wasm stuff from flake and cmake

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chris bell
2026-08-30 17:37:16 -05:00
parent 761fa6ca21
commit cd6f2bb45c
4 changed files with 97 additions and 140 deletions
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110
flake.nix
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@@ -1,5 +1,5 @@
{
description = "Raylib + RmlUI (with android build support) dev shell";
description = "Raylib + RmlUi dev shell";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
@@ -25,13 +25,6 @@
"-DBUILD_TESTING=OFF"
];
wasmFindOverrides = [
"-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH"
"-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH"
"-DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=BOTH"
];
# ---- native RmlUi (shared lib) --------------------------------------
rmlui = pkgs.stdenv.mkDerivation {
pname = "rmlui";
version = "master";
@@ -41,67 +34,6 @@
cmakeFlags = rmluiCmakeFlags ++ [ "-DBUILD_SHARED_LIBS=ON" ];
};
# ---- WASM Freetype (static, minimal deps) ---------------------------
freetypeWasm = pkgs.stdenv.mkDerivation {
pname = "freetype-wasm";
version = pkgs.freetype.version;
src = pkgs.freetype.src;
nativeBuildInputs = [ pkgs.cmake pkgs.emscripten ];
dontFixup = true;
configurePhase = ''
emcmake cmake -S . -B build \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_SHARED_LIBS=OFF \
-DFT_DISABLE_ZLIB=TRUE \
-DFT_DISABLE_BZIP2=TRUE \
-DFT_DISABLE_PNG=TRUE \
-DFT_DISABLE_HARFBUZZ=TRUE \
-DFT_DISABLE_BROTLI=TRUE \
-DCMAKE_INSTALL_PREFIX=$out
'';
buildPhase = "emmake make -C build -j$NIX_BUILD_CORES";
installPhase = "emmake make -C build install";
};
# ---- WASM RmlUi (static) ---------------------------------------------
rmluiWasm = pkgs.stdenv.mkDerivation {
pname = "rmlui-wasm";
version = "master";
src = rmluiSrc;
nativeBuildInputs = [ pkgs.cmake pkgs.emscripten ];
dontFixup = true;
configurePhase = ''
emcmake cmake -S . -B build \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_SHARED_LIBS=OFF \
${pkgs.lib.concatStringsSep " " rmluiCmakeFlags} \
${pkgs.lib.concatStringsSep " " wasmFindOverrides} \
-DCMAKE_PREFIX_PATH="${freetypeWasm}" \
-DCMAKE_INSTALL_PREFIX=$out
'';
buildPhase = "emmake make -C build -j$NIX_BUILD_CORES";
installPhase = "emmake make -C build install";
};
# ---- WASM raylib (PLATFORM=Web) ---------------------------------------
raylibWasm = pkgs.stdenv.mkDerivation {
pname = "raylib-wasm";
version = pkgs.raylib.version;
src = pkgs.raylib.src;
nativeBuildInputs = [ pkgs.cmake pkgs.emscripten ];
dontFixup = true;
configurePhase = ''
emcmake cmake -S . -B build \
-DCMAKE_BUILD_TYPE=Release \
-DPLATFORM=Web \
-DBUILD_EXAMPLES=OFF \
-DCMAKE_INSTALL_PREFIX=$out
'';
buildPhase = "emmake make -C build -j$NIX_BUILD_CORES";
installPhase = "emmake make -C build install";
};
# ---- native toolchain / runtime ---------------------------------------
nativeBuildTools = with pkgs; [
cmake
pkg-config
@@ -135,22 +67,6 @@
'';
};
devShells.wasm = pkgs.mkShell {
nativeBuildInputs = [ pkgs.cmake pkgs.emscripten pkgs.python3 ];
shellHook = ''
export RAYLIB_WASM="${raylibWasm}"
export RMLUI_WASM="${rmluiWasm}"
export FREETYPE_WASM="${freetypeWasm}"
echo "wasm dev shell ready, configure with:"
echo " emcmake cmake -B build-wasm -DPLATFORM=Web \\"
echo " -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH \\"
echo " -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH \\"
echo " -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=BOTH \\"
echo " -DCMAKE_PREFIX_PATH=\"\$RAYLIB_WASM;\$RMLUI_WASM;\$FREETYPE_WASM\""
echo " emmake make -C build-wasm"
'';
};
packages.default = pkgs.stdenv.mkDerivation {
pname = "rrmlui";
version = "0.1.0";
@@ -159,32 +75,10 @@
buildInputs = nativeRuntimeDeps;
cmakeFlags = [ "-DCMAKE_BUILD_TYPE=Release" ];
postInstall = ''
wrapProgram $out/bin/gamejam \
wrapProgram $out/bin/rrmlui \
--prefix LD_LIBRARY_PATH : "${pkgs.lib.makeLibraryPath nativeRuntimeDeps}"
'';
};
packages.wasm = pkgs.stdenv.mkDerivation {
pname = "rrmlui-wasm";
version = "0.1.0";
src = ./.;
nativeBuildInputs = [ pkgs.cmake pkgs.emscripten ];
dontFixup = true;
configurePhase = ''
emcmake cmake -S . -B build \
-DCMAKE_BUILD_TYPE=Release \
-DPLATFORM=Web \
${pkgs.lib.concatStringsSep " " wasmFindOverrides} \
-DCMAKE_PREFIX_PATH="${raylibWasm};${rmluiWasm};${freetypeWasm}" \
-DCMAKE_INSTALL_PREFIX=$out
'';
buildPhase = "emmake make -C build -j$NIX_BUILD_CORES";
installPhase = ''
mkdir -p $out
cp -r build/*.html build/*.js build/*.wasm $out/ 2>/dev/null || true
emmake make -C build install || true
'';
};
}
);
}