From ccbc5c1282e114d123e9cf06cf96a9a5fd6735dc Mon Sep 17 00:00:00 2001
From: TomaSajt <62384384+TomaSajt@users.noreply.github.com>
Date: Sun, 23 Feb 2025 02:43:46 +0100
Subject: [PATCH] gpupad: init at 2.4.0

---
 .../gp/gpupad/glslang-use-combined-lib.patch  | 15 +++++
 pkgs/by-name/gp/gpupad/package.nix            | 63 +++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 pkgs/by-name/gp/gpupad/glslang-use-combined-lib.patch
 create mode 100644 pkgs/by-name/gp/gpupad/package.nix

diff --git a/pkgs/by-name/gp/gpupad/glslang-use-combined-lib.patch b/pkgs/by-name/gp/gpupad/glslang-use-combined-lib.patch
new file mode 100644
index 000000000000..945712009db1
--- /dev/null
+++ b/pkgs/by-name/gp/gpupad/glslang-use-combined-lib.patch
@@ -0,0 +1,15 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a05c447..20a5c98 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -276,8 +276,8 @@ endif()
+ 
+ # link glslang
+ find_package(glslang CONFIG REQUIRED)
+-target_link_libraries(${PROJECT_NAME} PRIVATE glslang::OSDependent glslang::glslang 
+-    glslang::MachineIndependent glslang::GenericCodeGen glslang::glslang-default-resource-limits 
++target_link_libraries(${PROJECT_NAME} PRIVATE glslang::glslang 
++    glslang::glslang-default-resource-limits 
+     glslang::SPVRemapper glslang::SPIRV)
+ 
+ # link SPIRV-Cross
diff --git a/pkgs/by-name/gp/gpupad/package.nix b/pkgs/by-name/gp/gpupad/package.nix
new file mode 100644
index 000000000000..7b076839a3d5
--- /dev/null
+++ b/pkgs/by-name/gp/gpupad/package.nix
@@ -0,0 +1,63 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+
+  glslang,
+  imath,
+  ktx-tools,
+  openimageio,
+  qt6Packages,
+  spdlog,
+  spirv-cross,
+  vulkan-memory-allocator,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "gpupad";
+  version = "2.4.0";
+
+  src = fetchFromGitHub {
+    owner = "houmain";
+    repo = "gpupad";
+    tag = finalAttrs.version;
+    hash = "sha256-yCoLvocfqYOwbsGn2r3+2iThDZCkRAUrNI71fIH7XXU=";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    # the current version of glslang no longer separates its libs into sublibs
+    ./glslang-use-combined-lib.patch
+  ];
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    cmake
+    qt6Packages.wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    glslang
+    imath # needed for openimageio
+    ktx-tools
+    openimageio
+    qt6Packages.qtbase
+    qt6Packages.qtdeclarative
+    qt6Packages.qtmultimedia
+    spdlog
+    spirv-cross
+    vulkan-memory-allocator
+  ];
+
+  meta = {
+    description = "Flexible GLSL and HLSL shader editor and IDE";
+    homepage = "https://github.com/houmain/gpupad";
+    changelog = "https://github.com/houmain/gpupad/blob/${finalAttrs.src.rev}/CHANGELOG.md";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ tomasajt ];
+    mainProgram = "gpupad";
+    platforms = lib.platforms.linux;
+  };
+})