Updated build steps

CMakeLists.txt

@@ -8,6 +8,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 
 set(APP_DIR "${CMAKE_CURRENT_SOURCE_DIR}/apps/LoopThroughWithOpenGLCompositing")
 set(GPUDIRECT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/Blackmagic DeckLink SDK 16.0/Win/Samples/NVIDIA_GPUDirect" CACHE PATH "Path to the NVIDIA_GPUDirect sample directory from the Blackmagic DeckLink SDK")
+set(SLANG_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/slang-2026.8-windows-x86_64" CACHE PATH "Path to a Slang binary release containing bin/slangc.exe")
 
 if(NOT EXISTS "${APP_DIR}/LoopThroughWithOpenGLCompositing.cpp")
 	message(FATAL_ERROR "Imported app sources were not found under ${APP_DIR}")
@@ -17,6 +18,23 @@ if(NOT EXISTS "${GPUDIRECT_DIR}/lib/x64/dvp.lib")
 	message(FATAL_ERROR "NVIDIA GPUDirect library not found under ${GPUDIRECT_DIR}")
 endif()
 
+set(SLANG_RUNTIME_FILES
+	"${SLANG_ROOT}/bin/slangc.exe"
+	"${SLANG_ROOT}/bin/slang-compiler.dll"
+	"${SLANG_ROOT}/bin/slang-glslang.dll"
+)
+
+foreach(SLANG_RUNTIME_FILE IN LISTS SLANG_RUNTIME_FILES)
+	if(NOT EXISTS "${SLANG_RUNTIME_FILE}")
+		message(FATAL_ERROR "Required Slang runtime file not found: ${SLANG_RUNTIME_FILE}")
+	endif()
+endforeach()
+
+set(SLANG_LICENSE_FILE "${SLANG_ROOT}/LICENSE")
+if(NOT EXISTS "${SLANG_LICENSE_FILE}")
+	message(FATAL_ERROR "Slang license file not found: ${SLANG_LICENSE_FILE}")
+endif()
+
 set(APP_SOURCES
 	"${APP_DIR}/ControlServer.cpp"
 	"${APP_DIR}/ControlServer.h"
@@ -161,6 +179,15 @@ install(FILES "${GPUDIRECT_DIR}/bin/x64/dvp.dll"
 	DESTINATION "."
 )
 
+install(FILES ${SLANG_RUNTIME_FILES}
+	DESTINATION "3rdParty/slang/bin"
+)
+
+install(FILES "${SLANG_LICENSE_FILE}"
+	DESTINATION "third_party_notices"
+	RENAME "SLANG_LICENSE.txt"
+)
+
 install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/config/"
 	DESTINATION "config"
 )

README.md

@@ -21,7 +21,7 @@ The app loads shader packages from `shaders/`, compiles Slang to GLSL at runtime
 - CMake 3.24 or newer.
 - Node.js and npm for the control UI.
 - Blackmagic DeckLink SDK 16.0 with the NVIDIA GPUDirect sample files available locally.
-- Slang compiler available under the repo/tooling paths expected by the runtime, or otherwise discoverable by the existing app setup.
+- Slang binary release with `slangc.exe`, `slang-compiler.dll`, `slang-glslang.dll`, and `LICENSE`.
 
 The Blackmagic/GPUDirect SDK should not be committed to this repository. `CMakeLists.txt` exposes `GPUDIRECT_DIR` as a cache path so local machines and CI runners can point at their installed SDK location.
 
@@ -37,6 +37,18 @@ Override example:
 cmake --preset vs2022-x64-debug -DGPUDIRECT_DIR="D:/SDKs/Blackmagic DeckLink SDK 16.0/Win/Samples/NVIDIA_GPUDirect"
 ```
 
+Default expected Slang path:
+
+```text
+3rdParty/slang-2026.8-windows-x86_64
+```
+
+Override example:
+
+```powershell
+cmake --preset vs2022-x64-debug -DSLANG_ROOT="D:/SDKs/slang-2026.8-windows-x86_64"
+```
+
 ## Build
 
 Configure and build the native app:
@@ -78,11 +90,15 @@ dist/VideoShader/
   dvp.dll
   config/
   shaders/
+  3rdParty/slang/bin/
   ui/dist/
   runtime/templates/
+  third_party_notices/
 ```
 
-You can run `LoopThroughWithOpenGLCompositing.exe` directly from that folder. In packaged mode, the app resolves `config/`, `shaders/`, `ui/dist/`, and `runtime/templates/` relative to the exe folder. In development mode, it still falls back to repo-root discovery.
+You can run `LoopThroughWithOpenGLCompositing.exe` directly from that folder. In packaged mode, the app resolves `config/`, `shaders/`, `3rdParty/slang/bin/slangc.exe`, `ui/dist/`, and `runtime/templates/` relative to the exe folder. In development mode, it still falls back to repo-root discovery.
+
+The install step copies only the Slang runtime files required by the shader compiler (`slangc.exe`, `slang-compiler.dll`, and `slang-glslang.dll`) plus `third_party_notices/SLANG_LICENSE.txt`. It does not copy the full Slang release folder.
 
 Create a zip for distribution: