[Mesa-dev] [PATCH 12/20] swr/rast: jit shader lib debug work

George Kyriazis george.kyriazis at intel.com
Fri Jan 19 21:47:07 UTC 2018


Create shader_lib during build, link with shaders at DLL generation time
---
 src/gallium/drivers/swr/rasterizer/jitter/JitManager.cpp | 5 +++++
 src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp  | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/src/gallium/drivers/swr/rasterizer/jitter/JitManager.cpp b/src/gallium/drivers/swr/rasterizer/jitter/JitManager.cpp
index 5e5bba6..70f3137 100644
--- a/src/gallium/drivers/swr/rasterizer/jitter/JitManager.cpp
+++ b/src/gallium/drivers/swr/rasterizer/jitter/JitManager.cpp
@@ -586,6 +586,11 @@ int ExecUnhookedProcess(const char* pCmdLine)
 }
 #endif
 
+#if defined(_WIN64) && defined(ENABLE_JIT_DEBUG) && defined(JIT_BASE_DIR)
+EXTERN_C IMAGE_DOS_HEADER __ImageBase;
+static __inline HINSTANCE GetModuleHINSTANCE() { return (HINSTANCE)&__ImageBase; }
+#endif
+
 /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
 void JitCache::notifyObjectCompiled(const llvm::Module *M, llvm::MemoryBufferRef Obj)
 {
diff --git a/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp b/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
index 351ff0b..091db24 100644
--- a/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
+++ b/src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp
@@ -2890,6 +2890,10 @@ bool isComponentEnabled(ComponentEnable enableMask, uint8_t component)
     }
 }
 
+// Don't want two threads compiling the same fetch shader simultaneously
+// Has problems in the JIT cache implementation
+// This is only a problem for fetch right now.
+static std::mutex gFetchCodegenMutex;
 
 //////////////////////////////////////////////////////////////////////////
 /// @brief JITs from fetch shader IR
@@ -2902,6 +2906,7 @@ PFN_FETCH_FUNC JitFetchFunc(HANDLE hJitMgr, const HANDLE hFunc)
     JitManager* pJitMgr = reinterpret_cast<JitManager*>(hJitMgr);
     PFN_FETCH_FUNC pfnFetch;
 
+    gFetchCodegenMutex.lock();
     pfnFetch = (PFN_FETCH_FUNC)(pJitMgr->mpExec->getFunctionAddress(func->getName().str()));
     // MCJIT finalizes modules the first time you JIT code from them. After finalized, you cannot add new IR to the module
     pJitMgr->mIsModuleFinalized = true;
@@ -2916,6 +2921,7 @@ PFN_FETCH_FUNC JitFetchFunc(HANDLE hJitMgr, const HANDLE hFunc)
 #endif
 
     pJitMgr->DumpAsm(const_cast<llvm::Function*>(func), "final");
+    gFetchCodegenMutex.unlock();
 
 
 
-- 
2.7.4



More information about the mesa-dev mailing list