mesa: add intel raytracing support to opencl build

Recently mesa added a patch that allows to cross-compile Intel Vulkan
ray tracing support.

- Backport this patch
- Build and install intel_clc for mesa-native
- Add a dependency on mesa-native to provide intel_clc for target build
- Add a dependency on python3-ply-native as needed to build intel-clc
- Automatically build Intel Vulkan ray tracing support if the opencl
  packageconfig was added

(From OE-Core rev: 25fbe4d1dcfa329f0229eb3ed384b8b84583bd45)

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 13 insertions, 2 deletions

diff --git a/meta/recipes-graphics/mesa/mesa.inc b/meta/recipes-graphics/mesa/mesa.inc
index 79a1d975bf..83535eb472 100644
--- a/meta/recipes-graphics/mesa/mesa.inc
+++ b/meta/recipes-graphics/mesa/mesa.inc
@@ -18,6 +18,7 @@ SRC_URI = "https://mesa.freedesktop.org/archive/mesa-${PV}.tar.xz \
            file://0001-meson.build-check-for-all-linux-host_os-combinations.patch \
            file://0001-meson-misdetects-64bit-atomics-on-mips-clang.patch \
            file://0001-gallium-Fix-build-with-llvm-17.patch \
+           file://0001-intel-Allow-using-intel_clc-from-the-system.patch \
            "
 
 SRC_URI[sha256sum] = "2f6d7381bc10fbd2d6263ad1022785b8b511046c1a904162f8f7da18eea8aed9"
@@ -35,6 +36,7 @@ do_install:append() {
 }
 
 DEPENDS = "expat makedepend-native flex-native bison-native libxml2-native zlib chrpath-replacement-native python3-mako-native gettext-native"
+DEPENDS:append:class-target = " ${@bb.utils.contains('PACKAGECONFIG', 'opencl', 'mesa-native', '', d)}"
 EXTRANATIVEPATH += "chrpath-native"
 PROVIDES = " \
     ${@bb.utils.contains('PACKAGECONFIG', 'opengl', 'virtual/libgl', '', d)} \
@@ -72,6 +74,9 @@ EXTRA_OEMESON = " \
     -Dplatforms='${@",".join("${PLATFORMS}".split())}' \
 "
 
+EXTRA_OEMESON:append:class-target = " ${@bb.utils.contains('PACKAGECONFIG', 'opencl', '-Dintel-clc=system', '', d)}"
+EXTRA_OEMESON:append:class-native = " ${@bb.utils.contains('PACKAGECONFIG', 'opencl', '-Dintel-clc=enabled', '', d)}"
+
 def strip_comma(s):
     return s.strip(',')
 
@@ -137,7 +142,7 @@ PACKAGECONFIG[egl] = "-Degl=enabled, -Degl=disabled"
 
 # "opencl" requires libclc from meta-clang and spirv-tools from OE-Core
 OPENCL_NATIVE = "${@bb.utils.contains('PACKAGECONFIG', 'freedreno', '-Dopencl-native=true', '', d)}"
-PACKAGECONFIG[opencl] = "-Dgallium-opencl=icd -Dopencl-spirv=true ${OPENCL_NATIVE},-Dgallium-opencl=disabled -Dopencl-spirv=false,libclc spirv-tools"
+PACKAGECONFIG[opencl] = "-Dgallium-opencl=icd -Dopencl-spirv=true ${OPENCL_NATIVE},-Dgallium-opencl=disabled -Dopencl-spirv=false,libclc spirv-tools python3-ply-native"
 
 PACKAGECONFIG[broadcom] = ""
 PACKAGECONFIG[etnaviv] = ""
@@ -181,7 +186,6 @@ PACKAGECONFIG[gallium] = "-Dgallium-drivers=${@strip_comma('${GALLIUMDRIVERS}')}
 PACKAGECONFIG[gallium-llvm] = "-Dllvm=enabled -Dshared-llvm=enabled, -Dllvm=disabled, llvm llvm-native elfutils"
 PACKAGECONFIG[xa]  = "-Dgallium-xa=enabled, -Dgallium-xa=disabled"
 PACKAGECONFIG[va] = "-Dgallium-va=enabled,-Dgallium-va=disabled,libva-initial"
-
 PACKAGECONFIG[vdpau] = "-Dgallium-vdpau=enabled,-Dgallium-vdpau=disabled,libvdpau"
 
 PACKAGECONFIG[lima] = ""
@@ -248,6 +252,13 @@ do_install:append () {
     rm -f ${D}${libdir}/pkgconfig/wayland-egl.pc
 }
 
+do_install:append:class-native () {
+    if ${@bb.utils.contains('PACKAGECONFIG', 'opencl', 'true', 'false', d)}; then
+        install -d ${D}${bindir}
+        install -m0755 ${B}/src/intel/compiler/intel_clc ${D}${bindir}
+    fi
+}
+
 # For the packages that make up the OpenGL interfaces, inject variables so that
 # they don't get Debian-renamed (which would remove the -mesa suffix), and
 # RPROVIDEs/RCONFLICTs on the generic libgl name.