SPIRV compiler performance fixes. (#3258)

* SPIRV compiler performance fixes.

* Cleanup.

* update project files

* Cleanup debug code.

* Make redundancy removal non-recursive.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 4 insertions, 11 deletions

diff --git a/source/slang/slang-spirv-val.cpp b/source/slang/slang-spirv-val.cpp
index c03102d9f..e62564cc4 100644
--- a/source/slang/slang-spirv-val.cpp
+++ b/source/slang/slang-spirv-val.cpp
@@ -55,22 +55,14 @@ SlangResult debugValidateSPIRV(const List<uint8_t>& spirv)
     const auto out = p->getStream(StdStreamType::Out);
     const auto err = p->getStream(StdStreamType::ErrorOut);
 
-    // Write the assembly
-    SLANG_RETURN_ON_FAIL(in->write(spirv.getBuffer(), spirv.getCount()));
-    in->close();
+    List<Byte> outData;
+    List<Byte> errData;
+    SLANG_RETURN_ON_FAIL(StreamUtil::readAndWrite(in, spirv.getArrayView(), out, outData, err, errData));
 
     // Wait for it to finish
     if(!p->waitForTermination(1000))
         return SLANG_FAIL;
 
-
-    // TODO: allow inheriting stderr in Process
-    List<Byte> outData;
-    SLANG_RETURN_ON_FAIL(StreamUtil::readAll(out, 0, outData));
-    fwrite(outData.getBuffer(), outData.getCount(), 1, stderr);
-    outData.clear();
-    SLANG_RETURN_ON_FAIL(StreamUtil::readAll(err, 0, outData));
-
     // If we failed, dump the spirv first.
     const auto ret = p->getReturnValue();
     if(ret != 0)
@@ -83,6 +75,7 @@ SlangResult debugValidateSPIRV(const List<uint8_t>& spirv)
     }
 
     fwrite(outData.getBuffer(), outData.getCount(), 1, stderr);
+    fwrite(errData.getBuffer(), errData.getCount(), 1, stderr);
 
     return ret == 0 ? SLANG_OK : SLANG_FAIL;
 }