backports + WAR older shaderc

0002-WAR-older-shaderc.patch

@@ -0,0 +1,25 @@
+From 72a8c1c547a8f40eb8a84485ab26a01b16f14fcd Mon Sep 17 00:00:00 2001
+From: Nicolas Chauvet <kwizart@gmail.com>
+Date: Wed, 3 Oct 2018 12:28:48 +0200
+Subject: [PATCH 2/2] WAR older shaderc
+
+---
+ src/spirv_shaderc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/spirv_shaderc.c b/src/spirv_shaderc.c
+index c86679a..910d76c 100644
+--- a/src/spirv_shaderc.c
++++ b/src/spirv_shaderc.c
+@@ -46,7 +46,7 @@ static bool shaderc_init(struct spirv_compiler *spirv)
+         goto error;
+ 
+     shaderc_compile_options_set_optimization_level(p->opts,
+-            shaderc_optimization_level_performance);
++            shaderc_optimization_level_zero);
+ 
+     int ver, rev;
+     shaderc_get_spv_version(&ver, &rev);
+-- 
+2.17.1
+

libplacebo.spec

@@ -6,6 +6,8 @@ Summary:        Reusable library for GPU-accelerated video/image rendering primi
 License:        LGPLv2+
 URL:            https://github.com/haasn/libplacebo
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
+Patch0:         libplacebo-0.6.0-backports.patch
+Patch1:         0002-WAR-older-shaderc.patch
 
 BuildRequires:  gcc
 BuildRequires:  gcc-c++