From 8ac298505928c8aa15b18423db115ae555723650 Mon Sep 17 00:00:00 2001
From: BtbN <btbn@btbn.de>
Date: Mon, 7 Sep 2020 17:40:37 +0200
Subject: [PATCH] Add vulkan variant

---
 .github/workflows/build.yml   |  4 +--
 images/base/Dockerfile        |  2 +-
 scripts.d/45-vulkan.sh        | 56 +++++++++++++++++++++++++++++++++++
 variants/gpl-vulkan.sh        |  5 ++++
 variants/lgpl-vulkan.sh       |  5 ++++
 variants/win64-gpl-vulkan.sh  |  2 ++
 variants/win64-lgpl-vulkan.sh |  2 ++
 7 files changed, 73 insertions(+), 3 deletions(-)
 create mode 100755 scripts.d/45-vulkan.sh
 create mode 100644 variants/gpl-vulkan.sh
 create mode 100644 variants/lgpl-vulkan.sh
 create mode 100644 variants/win64-gpl-vulkan.sh
 create mode 100644 variants/win64-lgpl-vulkan.sh

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cdffb26..e1fd6a4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -57,7 +57,7 @@ jobs:
       fail-fast: false
       matrix:
         target: [win64]
-        variant: [gpl,lgpl,gpl-4.3,lgpl-4.3]
+        variant: [gpl,lgpl,gpl-vulkan,lgpl-vulkan,gpl-4.3,lgpl-4.3]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -82,7 +82,7 @@ jobs:
       fail-fast: false
       matrix:
         target: [win64]
-        variant: [gpl,lgpl,gpl-4.3,lgpl-4.3]
+        variant: [gpl,lgpl,gpl-vulkan,lgpl-vulkan,gpl-4.3,lgpl-4.3]
     steps:
       - name: Checkout
         uses: actions/checkout@v2
diff --git a/images/base/Dockerfile b/images/base/Dockerfile
index ee8dcf5..451c2ba 100644
--- a/images/base/Dockerfile
+++ b/images/base/Dockerfile
@@ -5,7 +5,7 @@ ENV DEBIAN_FRONTEND noninteractive
 RUN \
     apt-get -y update && \
     apt-get -y dist-upgrade && \
-    apt-get -y install build-essential yasm nasm pkg-config git curl wget cmake unzip subversion autoconf automake libtool cmake clang texinfo texi2html gperf ragel libc6-dev gawk meson ninja-build && \
+    apt-get -y install build-essential yasm nasm pkg-config git curl wget cmake unzip subversion autoconf automake libtool cmake clang texinfo texi2html gperf ragel libc6-dev gawk meson ninja-build p7zip-full && \
     apt-get -y clean
 
 ADD run_stage.sh /usr/bin/run_stage
diff --git a/scripts.d/45-vulkan.sh b/scripts.d/45-vulkan.sh
new file mode 100755
index 0000000..0a7627b
--- /dev/null
+++ b/scripts.d/45-vulkan.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+LUNARG_VERSION="1.2.148.1"
+LUNARG_SRC="https://sdk.lunarg.com/sdk/download/${LUNARG_VERSION}/windows/VulkanSDK-${LUNARG_VERSION}-Installer.exe"
+
+ffbuild_enabled() {
+    [[ $VARIANT != *vulkan* ]] && return -1
+    return 0
+}
+
+ffbuild_dockerstage() {
+    to_df "ADD $SELF /stage.sh"
+    to_df "RUN run_stage"
+}
+
+ffbuild_dockerbuild() {
+    mkdir vulkan && cd vulkan
+
+    if [[ $TARGET == win64 ]]; then
+        wget --no-cookies -O vulkan.exe "$LUNARG_SRC"
+        7z x vulkan.exe Include/vulkan Lib/vulkan-1.lib
+
+        find . -type f -exec chmod 644 {} \;
+        find . -type d -exec chmod 755 {} \;
+
+        mv Include/* "$FFBUILD_PREFIX"/include/.
+        mv Lib/* "$FFBUILD_PREFIX"/lib/.
+        
+        mkdir -p "$FFBUILD_PREFIX"/lib/pkgconfig
+        cat > "$FFBUILD_PREFIX"/lib/pkgconfig/vulkan.pc <<EOF
+prefix=$FFBUILD_PREFIX
+libdir=\${prefix}/lib
+includedir=\${prefix}/include
+
+Name: Vulkan-Loader
+Description: Vulkan Loader
+Version: $LUNARG_VERSION
+Libs: -L\${libdir} -lvulkan-1 -ladvapi32
+Cflags: -I\${includedir}
+EOF
+    else
+        echo "Target not supported"
+        return -1
+    fi
+
+    cd ..
+    rm -rf vulkan
+}
+
+ffbuild_configure() {
+    echo --enable-vulkan
+}
+
+ffbuild_unconfigure() {
+    echo --disable-vulkan
+}
diff --git a/variants/gpl-vulkan.sh b/variants/gpl-vulkan.sh
new file mode 100644
index 0000000..f672c41
--- /dev/null
+++ b/variants/gpl-vulkan.sh
@@ -0,0 +1,5 @@
+FF_CONFIGURE="--enable-gpl --enable-version3"
+FF_CFLAGS=""
+FF_CXXFLAGS=""
+FF_LDFLAGS=""
+GIT_BRANCH="master"
diff --git a/variants/lgpl-vulkan.sh b/variants/lgpl-vulkan.sh
new file mode 100644
index 0000000..0d119cc
--- /dev/null
+++ b/variants/lgpl-vulkan.sh
@@ -0,0 +1,5 @@
+FF_CONFIGURE="--enable-version3"
+FF_CFLAGS=""
+FF_CXXFLAGS=""
+FF_LDFLAGS=""
+GIT_BRANCH="master"
diff --git a/variants/win64-gpl-vulkan.sh b/variants/win64-gpl-vulkan.sh
new file mode 100644
index 0000000..30dd180
--- /dev/null
+++ b/variants/win64-gpl-vulkan.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+source "$(dirname "$BASH_SOURCE")/win64-gpl.sh"
diff --git a/variants/win64-lgpl-vulkan.sh b/variants/win64-lgpl-vulkan.sh
new file mode 100644
index 0000000..30dd180
--- /dev/null
+++ b/variants/win64-lgpl-vulkan.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+source "$(dirname "$BASH_SOURCE")/win64-gpl.sh"