Show clspv error output when compilation fails (#979)

Fixes: #978

1 files changed, 3 insertions, 2 deletions

diff --git a/src/clspv_helper.cc b/src/clspv_helper.cc
index 59b8737..4be5bfa 100644
--- a/src/clspv_helper.cc
+++ b/src/clspv_helper.cc
@@ -258,9 +258,10 @@ Result Compile(Pipeline::ShaderInfo* shader_info,
   for (const auto& option : shader_info->GetCompileOptions()) {
     options += option + " ";
   }
+  std::string error_log;
   if (clspv::CompileFromSourceString(src_str, /* sampler map */ "", options,
-                                     generated_binary)) {
-    return Result("Clspv compile failed");
+                                     generated_binary, &error_log)) {
+    return Result("Clspv compile error: " + error_log);
   }
 
   // Parse the reflection instructions.