From 6ef9dd02e297ae20da422f2f3f4f298061efd6e9 Mon Sep 17 00:00:00 2001
From: "Ung, Teng En" <teng.en.ung@intel.com>
Date: Fri, 15 Oct 2021 11:55:13 +0000
Subject: [PATCH 1/3] samples: Addin wayland-scanner auto generate on cmake.

Upstream-Status: Submitted
innersource PR #269

---
 tools/legacy/sample_common/CMakeLists.txt     | 21 ++++++++++
 .../legacy/sample_misc/wayland/CMakeLists.txt | 39 +++++++++++++++++++
 2 files changed, 60 insertions(+)

diff --git a/tools/legacy/sample_common/CMakeLists.txt b/tools/legacy/sample_common/CMakeLists.txt
index 0ff83aa4..0ed8b390 100644
--- a/tools/legacy/sample_common/CMakeLists.txt
+++ b/tools/legacy/sample_common/CMakeLists.txt
@@ -92,6 +92,27 @@ if(UNIX)
         target_include_directories(
           ${TARGET}
           PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../sample_misc/wayland/include)
+
+        pkg_check_modules(PKG_WAYLAND_SCANNER "wayland-scanner>=1.15")
+        pkg_check_modules(PKG_WAYLAND_PROTCOLS "wayland-protocols>=1.15")
+
+        if(PKG_WAYLAND_SCANNER_FOUND AND PKG_WAYLAND_PROTCOLS_FOUND)
+          pkg_get_variable(WAYLAND_PROTOCOLS_PATH wayland-protocols pkgdatadir)
+          if(WAYLAND_PROTOCOLS_PATH)
+            find_file(
+                WAYLAND_LINUX_DMABUF_XML_PATH linux-dmabuf-unstable-v1.xml
+                PATHS ${WAYLAND_PROTOCOLS_PATH}/unstable/linux-dmabuf
+                NO_DEFAULT_PATH)
+          endif()
+        endif()
+
+        if(WAYLAND_LINUX_DMABUF_XML_PATH)
+          target_compile_definitions(
+            ${TARGET} PUBLIC -DWAYLAND_LINUX_DMABUF_SUPPORT)
+          target_include_directories(
+            ${TARGET}
+            PUBLIC ${CMAKE_BINARY_DIR}/tools/legacy/sample_misc/wayland)
+        endif()
       else()
         message(
           WARNING
diff --git a/tools/legacy/sample_misc/wayland/CMakeLists.txt b/tools/legacy/sample_misc/wayland/CMakeLists.txt
index 1fe98da4..01e6029b 100644
--- a/tools/legacy/sample_misc/wayland/CMakeLists.txt
+++ b/tools/legacy/sample_misc/wayland/CMakeLists.txt
@@ -29,6 +29,45 @@ target_sources(
           ${CMAKE_CURRENT_SOURCE_DIR}/src/listener_wayland.cpp
           ${CMAKE_CURRENT_SOURCE_DIR}/src/wayland-drm-protocol.c)
 
+if(PKG_WAYLAND_SCANNER_FOUND AND PKG_WAYLAND_PROTCOLS_FOUND AND WAYLAND_LINUX_DMABUF_XML_PATH)
+  pkg_get_variable(WAYLAND_SCANNER_BIN_PATH wayland-scanner bindir)
+  pkg_get_variable(WAYLAND_SCANNER_BIN wayland-scanner wayland_scanner)
+
+  if(WAYLAND_SCANNER_BIN_PATH AND WAYLAND_SCANNER_BIN)
+    execute_process(
+        COMMAND "${WAYLAND_SCANNER_BIN_PATH}\/${WAYLAND_SCANNER_BIN}"
+                "client-header" "${WAYLAND_LINUX_DMABUF_XML_PATH}"
+                "tools/legacy/sample_misc/wayland/linux-dmabuf-unstable-v1.h"
+        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+        RESULT_VARIABLE WAYLAND_SCANNER_RESULT)
+    if (WAYLAND_SCANNER_RESULT)
+      message(ERROR "Failed to generate linux-dmabuf-unstable-v1.h")
+      return()
+    endif()
+
+    execute_process(
+        COMMAND "${WAYLAND_SCANNER_BIN_PATH}\/${WAYLAND_SCANNER_BIN}"
+                "private-code" "${WAYLAND_LINUX_DMABUF_XML_PATH}"
+                "tools/legacy/sample_misc/wayland/linux-dmabuf-unstable-v1.c"
+        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+        RESULT_VARIABLE WAYLAND_SCANNER_RESULT)
+    if (WAYLAND_SCANNER_RESULT)
+      message(ERROR "Failed to generate linux-dmabuf-unstable-v1.c")
+      return()
+    endif()
+
+    include_directories(
+      ${CMAKE_BINARY_DIR}/tools/legacy/sample_misc/wayland)
+    add_definitions(-DWAYLAND_LINUX_DMABUF_SUPPORT)
+    target_sources(
+      ${TARGET}
+      PRIVATE ${CMAKE_BINARY_DIR}/tools/legacy/sample_misc/wayland/linux-dmabuf-unstable-v1.c)
+  else()
+    message(ERROR "Don't know how to execute wayland-scanner.")
+    return()
+  endif()
+endif()
+
 target_link_libraries(${TARGET} sample_common wayland-client va drm drm_intel)
 
 install(TARGETS ${TARGET} LIBRARY DESTINATION ${_TOOLS_LIB_PATH})
-- 
2.31.1