You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.5 KiB
52 lines
1.5 KiB
![]()
4 years ago
|
//========= 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;
|
||
|
}
|