From 711a7df43bd46e713e1ce540bceeb21c255b1473 Mon Sep 17 00:00:00 2001
From: bjorn <mail@bjornbyt.es>
Date: Tue, 7 Jun 2022 21:19:42 -0700
Subject: [PATCH] CMake can compile shaders;

---
 CMakeLists.txt | 24 ++++++++++++++++++++++++
 Tupfile.lua    |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1cc6a738..1e8e946c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -460,6 +460,30 @@ if(LOVR_ENABLE_GRAPHICS)
     target_compile_definitions(lovr PRIVATE LOVR_WGPU)
     target_sources(lovr PRIVATE src/core/gpu_webgpu.c)
   endif()
+
+  add_custom_target(compile_shaders ALL)
+  add_dependencies(lovr compile_shaders)
+
+  function(compile_shaders)
+    file(GLOB shader_files "etc/shaders/*.${ARGV0}")
+    foreach(shader_file ${shader_files})
+      string(REGEX MATCH "([^\/]+)\.${ARGV0}" shader ${shader_file})
+      string(REPLACE ".${ARGV0}" "" shader ${shader})
+      add_custom_command(TARGET compile_shaders POST_BUILD
+        COMMAND
+        glslangValidator
+        --quiet
+        --target-env vulkan1.1
+        --vn lovr_shader_${shader}_${ARGV0}
+        -o ${shader_file}.h
+        ${shader_file}
+      )
+    endforeach()
+  endfunction()
+
+  compile_shaders("vert")
+  compile_shaders("frag")
+  compile_shaders("comp")
 else()
   target_compile_definitions(lovr PRIVATE LOVR_DISABLE_GRAPHICS)
 endif()
diff --git a/Tupfile.lua b/Tupfile.lua
index 23ff2681..cdee6c17 100644
--- a/Tupfile.lua
+++ b/Tupfile.lua
@@ -452,7 +452,7 @@ comp = 'etc/shaders/*.comp'
 
 function compileShaders(stage)
   pattern = 'etc/shaders/*.' .. stage
-  tup.foreach_rule(pattern, 'glslangValidator --target-env vulkan1.1 --vn lovr_shader_%B_' .. stage .. ' -o %o %f', '%f.h')
+  tup.foreach_rule(pattern, 'glslangValidator --quiet --target-env vulkan1.1 --vn lovr_shader_%B_' .. stage .. ' -o %o %f', '%f.h')
 end
 
 compileShaders('vert')