From 6c8ae19be66cee247980a48e736a4e05d14de179 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Tue, 2 Dec 2025 16:39:36 -0800
Subject: Immediate-mode renderer, triangle demo, shader compilation in cmake,
 Agility SDK

---
 dxg/CMakeLists.txt | 49 ++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 40 insertions(+), 9 deletions(-)

(limited to 'dxg/CMakeLists.txt')

diff --git a/dxg/CMakeLists.txt b/dxg/CMakeLists.txt
index b7607c0..1040276 100644
--- a/dxg/CMakeLists.txt
+++ b/dxg/CMakeLists.txt
@@ -2,22 +2,53 @@ cmake_minimum_required(VERSION 3.20)
 
 project(dxg)
 
+# Agility SDK.
+# Give AGILITY_SDK_BIN PARENT_SCOPE so that it is accessible from the
+# install_agility_sdk function below.
+set(AGILITY_SDK_DIR "../contrib/microsoft.direct3d.d3d12.1.618.4/build/native")
+set(AGILITY_SDK_BIN "${AGILITY_SDK_DIR}/bin/x64" PARENT_SCOPE)
+
+add_subdirectory(shaders)
+
 add_library(dxg
     include/dxg/dxcommon.h
-    src/dxg.c)
+    include/dxg/dxg.h
+    include/dxg/imm.h
+    src/dxcommon.c
+    src/imm.c)
+
+# exe must export these so that D3D12.dll can find and load D3D12Core.dll and
+# other DLLs from the Agility SDK.
+target_compile_definitions(dxg PRIVATE
+    AGILITY_SDK_VERSION=618 # Must match AGILITY_SDK_DIR above.
+    AGILITY_SDK_INSTALL=u8".\\\\D3D12\\\\") # Binaries will be copied to this subdirectory.
 
-# target_sources(dxg PUBLIC
-#     FILE_SET cxx_modules TYPE CXX_MODULES FILES
-#     asset.ixx
-#     dxcommon.ixx
-#     dxg.ixx
-#     imm.ixx)
+# Use BEFORE so that the D3D headers in the Agility SDK are picked before the
+# ones in the Windows SDK.
+target_include_directories(dxg BEFORE PUBLIC
+    include
+    ${AGILITY_SDK_DIR}/include)
 
-target_include_directories(dxg PUBLIC
-    include)
+target_link_directories(dxg BEFORE PUBLIC
+    ${AGILITY_SDK_DIR}/bin/x64)
 
 target_link_libraries(dxg PUBLIC
     DirectX-Headers
     D3D12.lib
     DXGI.lib
     DXGUID.lib) # For IID_Xyz symbols
+
+target_link_libraries(dxg PRIVATE
+    shaders)
+
+# Function to copy Agility SDK binaries to the D3D12\ directory next to the exe.
+# exe targets must call this function.
+function(install_agility_sdk exe_path)
+    cmake_path(APPEND d3d12_path ${exe_path} "D3D12")
+    if(NOT EXISTS ${d3d12_path})
+        message("D3D12 path = ${d3d12_path}")
+        message("AGILITY_SDK_BIN = ${AGILITY_SDK_BIN}")
+        file(MAKE_DIRECTORY ${d3d12_path})
+        file(COPY ${AGILITY_SDK_BIN}/ DESTINATION ${d3d12_path})
+    endif()
+endfunction()
-- 
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