From 3bf9df6b2785fa6d951086978a3e66f49427166a Mon Sep 17 00:00:00 2001
From: FluorescentCIAAfricanAmerican <0934gj3049fk@protonmail.com>
Date: Wed, 22 Apr 2020 12:56:21 -0400
Subject: 1

---
 utils/xbox/MakeGameData/MakeShaders.cpp | 52 +++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 utils/xbox/MakeGameData/MakeShaders.cpp

(limited to 'utils/xbox/MakeGameData/MakeShaders.cpp')

diff --git a/utils/xbox/MakeGameData/MakeShaders.cpp b/utils/xbox/MakeGameData/MakeShaders.cpp
new file mode 100644
index 0000000..25f51b4
--- /dev/null
+++ b/utils/xbox/MakeGameData/MakeShaders.cpp
@@ -0,0 +1,52 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: .360 file creation of shaders
+//
+//=====================================================================================//
+
+#include "MakeGameData.h"
+#include "materialsystem/shader_vcs_version.h"
+
+#define SHADER_FILE_THRESHOLD		32*1024
+
+//-----------------------------------------------------------------------------
+// Get the preload data for a vcs file
+//-----------------------------------------------------------------------------
+bool GetPreloadData_VCS( const char *pFilename, CUtlBuffer &fileBufferIn, CUtlBuffer &preloadBufferOut )
+{
+	ShaderHeader_t *pHeader = (ShaderHeader_t *)fileBufferIn.Base();
+
+	unsigned int version = BigLong( pHeader->m_nVersion );
+
+	// ensure caller's buffer is clean
+	// caller determines preload size, via TellMaxPut()
+	preloadBufferOut.Purge();
+
+	unsigned int nPreloadSize;
+	if ( fileBufferIn.TellMaxPut() <= SHADER_FILE_THRESHOLD )
+	{
+		// include the whole file
+		nPreloadSize = fileBufferIn.TellMaxPut();
+	}
+	else
+	{
+		if ( version < SHADER_VCS_VERSION_NUMBER )
+		{
+			// not supporting old versions
+			return false;
+		}
+
+		if ( version != SHADER_VCS_VERSION_NUMBER )
+		{
+			// bad version
+			Msg( "Can't preload: '%s', expecting version %d got version %d\n", pFilename, SHADER_VCS_VERSION_NUMBER, version );
+			return false;
+		}
+
+		nPreloadSize = sizeof( ShaderHeader_t ) + BigLong( pHeader->m_nNumStaticCombos ) * sizeof( StaticComboRecord_t );
+	}
+
+	preloadBufferOut.Put( fileBufferIn.Base(), nPreloadSize );
+
+	return true;
+}
\ No newline at end of file
-- 
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