[Buildroot] [PATCH 1/2] package/libplacebo: add libplacebo package

* [Buildroot] [PATCH 1/2] package/libplacebo: add libplacebo package
@ 2024-07-19 16:15 Javad Rahimipetroudi via buildroot
  2024-07-19 16:15 ` [Buildroot] [PATCH 2/2] package/mpv: bump version to v0.38.0 Javad Rahimipetroudi via buildroot
  2024-10-22  4:15 ` [Buildroot] [PATCH 1/2] package/libplacebo: add libplacebo package Sen Hastings
  0 siblings, 2 replies; 7+ messages in thread
From: Javad Rahimipetroudi via buildroot @ 2024-07-19 16:15 UTC (permalink / raw)
  To: buildroot; +Cc: Javad Rahimipetroudi

This patch adds libplacebo package that is used
by mpv player.
libplacebo is the core rendering algorithms and
ideas of mpv rewritten as an independent library
and contains a large assortment of video processing
shaders, focusing on both quality and performance.

Signed-off-by: Javad Rahimipetroudi <javad.rahimipetroudi@mind.be>
---
 package/Config.in                             |  1 +
 ...ild-fix-linker-error-in-uclibc-sparc.patch | 45 +++++++++++++++++++
 ...h-add-static_assert-define-for-ulibc.patch | 36 +++++++++++++++
 package/libplacebo/Config.in                  | 18 ++++++++
 package/libplacebo/libplacebo.hash            |  2 +
 package/libplacebo/libplacebo.mk              | 15 +++++++
 6 files changed, 117 insertions(+)
 create mode 100644 package/libplacebo/0001-meson.build-fix-linker-error-in-uclibc-sparc.patch
 create mode 100644 package/libplacebo/0002-src-pl_assert.h-add-static_assert-define-for-ulibc.patch
 create mode 100644 package/libplacebo/Config.in
 create mode 100644 package/libplacebo/libplacebo.hash
 create mode 100644 package/libplacebo/libplacebo.mk

diff --git a/package/Config.in b/package/Config.in
index f2e10b2b5e..1207001640 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1509,6 +1509,7 @@ menu "Audio/Sound"
 	source "package/libmodplug/Config.in"
 	source "package/libmpdclient/Config.in"
 	source "package/libopenmpt/Config.in"
+	source "package/libplacebo/Config.in"
 	source "package/libreplaygain/Config.in"
 	source "package/libsamplerate/Config.in"
 	source "package/libsidplay2/Config.in"
diff --git a/package/libplacebo/0001-meson.build-fix-linker-error-in-uclibc-sparc.patch b/package/libplacebo/0001-meson.build-fix-linker-error-in-uclibc-sparc.patch
new file mode 100644
index 0000000000..3056d28651
--- /dev/null
+++ b/package/libplacebo/0001-meson.build-fix-linker-error-in-uclibc-sparc.patch
@@ -0,0 +1,45 @@
+From 4386f3e3b3d02c55776e3f674d8447fd24388c2c Mon Sep 17 00:00:00 2001
+From: Javad Rahimipetroudi <javad.rahimipetroudi@mind.be>
+Date: Fri, 19 Jul 2024 07:02:48 +0200
+Subject: [PATCH] meson.build: add libatomic dependency if needed  
+
+This PR fixes the problem related to not finding the libatomic during the
+build. Some combinations or architecture and libc (e.g. uClibc on SPARC)
+operations in a separate library and don't link with it automatically.
+An optional find_library to meson.build has been added to 
+discover this.
+
+
+Fixes:
+ - https://github.com/haasn/libplacebo/issues/278
+
+Signed-off-by: Javad Rahimipetroudi <javad.rahimipetroudi@mind.be>
+Upstream: https://github.com/haasn/libplacebo/commit/4386f3e3b3d02c55776e3f674d8447fd24388c2c
+---
+ meson.build | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/meson.build b/meson.build
+index a73e49ff..f8cbf9f1 100644
+--- a/meson.build
++++ b/meson.build
+@@ -448,6 +448,7 @@ add_project_link_arguments(link_args, language: ['c', 'cpp'])
+ # Global dependencies
+ fs = import('fs')
+ libm = cc.find_library('m', required: false)
++atomic = cc.find_library('atomic', required: false)
+ thirdparty = meson.project_source_root()/'3rdparty'
+ python = import('python').find_installation()
+ python_env = environment()
+@@ -473,7 +474,7 @@ else
+     )
+ endif
+ 
+-build_deps = [ libm, threads ]
++build_deps = [ libm, threads, atomic]
+ 
+ subdir('tools')
+ subdir('src')
+-- 
+2.45.2
+
diff --git a/package/libplacebo/0002-src-pl_assert.h-add-static_assert-define-for-ulibc.patch b/package/libplacebo/0002-src-pl_assert.h-add-static_assert-define-for-ulibc.patch
new file mode 100644
index 0000000000..6960c2f219
--- /dev/null
+++ b/package/libplacebo/0002-src-pl_assert.h-add-static_assert-define-for-ulibc.patch
@@ -0,0 +1,36 @@
+From 0182e2b94bbc6bb964f96527d18e93c9b4709a3a Mon Sep 17 00:00:00 2001
+From: Javad Rahimipetroudi <javad.rahimipetroudi@mind.be>
+Date: Fri, 19 Jul 2024 07:57:45 +0200
+Subject: [PATCH] src/pl_assert.h:add static_assert define for ulibc
+
+This PR adds the static_assert macro defination for uClibc that is
+missed in some platforms. However, it is limited to C versions lower
+than C23. From C23, static_assert is not defined as macro anymore:
+https://en.cppreference.com/w/c/language/_Static_assert
+
+Signed-off-by: Javad Rahimipetroudi <javad.rahimipetroudi@mind.be>
+Upstream: https://github.com/haasn/libplacebo/commit/0182e2b94bbc6bb964f96527d18e93c9b4709a3a
+---
+ src/pl_assert.h | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/pl_assert.h b/src/pl_assert.h
+index b4c6656c..de9d3547 100644
+--- a/src/pl_assert.h
++++ b/src/pl_assert.h
+@@ -20,6 +20,12 @@
+ #include <stdio.h>
+ #include <assert.h>
+ 
++#if !defined (__cplusplus)
++#if (__STDC_VERSION__ < 202301L)
++#define static_assert _Static_assert
++#endif
++#endif
++
+ #ifndef NDEBUG
+ # define pl_assert assert
+ #else
+-- 
+2.45.2
+
diff --git a/package/libplacebo/Config.in b/package/libplacebo/Config.in
new file mode 100644
index 0000000000..e2fc434248
--- /dev/null
+++ b/package/libplacebo/Config.in
@@ -0,0 +1,18 @@
+config BR2_PACKAGE_LIBPLACEBO
+	bool "libplacebo"
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_10 #C++20
+	depends on BR2_TOOLCHAIN_HAS_ATOMIC
+	depends on !BR2_STATIC_LIBS # needs <dlfcn.h>
+
+	help
+	  libplacebo is, in a nutshell, the core rendering
+	  algorithms and ideas of mpv rewritten as an
+	  independent library. As of today, libplacebo
+	  contains a large assortment of video processing
+	  shaders, focusing on both quality and performance.
+
+comment "libplacebo needs a toolchain w/ dynamic library, threads, and dynamic loading"
+	depends on BR2_USE_MMU
+	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/libplacebo/libplacebo.hash b/package/libplacebo/libplacebo.hash
new file mode 100644
index 0000000000..d1588a608b
--- /dev/null
+++ b/package/libplacebo/libplacebo.hash
@@ -0,0 +1,2 @@
+sha256  afaaf16668a1dfaa5f5bf7329713d0dd89cf2ca0dbe7c68aeea894d333e2503e  libplacebo-v7.349.0-git4.tar.gz
+sha256  b3aa400aca6d2ba1f0bd03bd98d03d1fe7489a3bbb26969d72016360af8a5c9d  LICENSE
diff --git a/package/libplacebo/libplacebo.mk b/package/libplacebo/libplacebo.mk
new file mode 100644
index 0000000000..ae3cb68022
--- /dev/null
+++ b/package/libplacebo/libplacebo.mk
@@ -0,0 +1,15 @@
+################################################################################
+#
+# libplacebo
+#
+################################################################################
+
+LIBPLACEBO_VERSION = v7.349.0
+LIBPLACEBO_SITE = https://github.com/haasn/libplacebo
+LIBPLACEBO_SITE_METHOD = git
+LIBPLACEBO_GIT_SUBMODULES = YES
+LIBPLACEBO_LICENSE = LGPL-2.1
+LIBPLACEBO_LICENSE_FILES = LICENSE
+LIBPLACEBO_INSTALL_STAGING = YES
+
+$(eval $(meson-package))
-- 
2.45.2

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