Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Implementation for CBaseClientRenderTargets class.
// Provides Init functions for common render textures used by the engine.
// Mod makers can inherit from this class, and call the Create functions for
// only the render textures the want for their mod.
//=============================================================================//
#include "cbase.h"
#include "baseclientrendertargets.h" // header
#include "materialsystem/imaterialsystemhardwareconfig.h" // Hardware config checks
#include "tier0/icommandline.h"
ITexture* CBaseClientRenderTargets::CreateWaterReflectionTexture( IMaterialSystem* pMaterialSystem, int iSize )
{
return pMaterialSystem->CreateNamedRenderTargetTextureEx2(
"_rt_WaterReflection",
iSize, iSize, RT_SIZE_PICMIP,
pMaterialSystem->GetBackBufferFormat(),
MATERIAL_RT_DEPTH_SHARED,
TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
CREATERENDERTARGETFLAGS_HDR );
}
ITexture* CBaseClientRenderTargets::CreateWaterRefractionTexture( IMaterialSystem* pMaterialSystem, int iSize )
{
return pMaterialSystem->CreateNamedRenderTargetTextureEx2(
"_rt_WaterRefraction",
iSize, iSize, RT_SIZE_PICMIP,
// This is different than reflection because it has to have alpha for fog factor.
IMAGE_FORMAT_RGBA8888,
MATERIAL_RT_DEPTH_SHARED,
TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
CREATERENDERTARGETFLAGS_HDR );
}
ITexture* CBaseClientRenderTargets::CreateCameraTexture( IMaterialSystem* pMaterialSystem, int iSize )
{
return pMaterialSystem->CreateNamedRenderTargetTextureEx2(
"_rt_Camera",
iSize, iSize, RT_SIZE_DEFAULT,
pMaterialSystem->GetBackBufferFormat(),
MATERIAL_RT_DEPTH_SHARED,
0,
CREATERENDERTARGETFLAGS_HDR );
}
//-----------------------------------------------------------------------------
// Purpose: Called by the engine in material system init and shutdown.
// Clients should override this in their inherited version, but the base
// is to init all standard render targets for use.
// Input : pMaterialSystem - the engine's material system (our singleton is not yet inited at the time this is called)
// pHardwareConfig - the user hardware config, useful for conditional render target setup
//-----------------------------------------------------------------------------
void CBaseClientRenderTargets::InitClientRenderTargets( IMaterialSystem* pMaterialSystem, IMaterialSystemHardwareConfig* pHardwareConfig, int iWaterTextureSize, int iCameraTextureSize )
{
// Water effects
m_WaterReflectionTexture.Init( CreateWaterReflectionTexture( pMaterialSystem, iWaterTextureSize ) );
m_WaterRefractionTexture.Init( CreateWaterRefractionTexture( pMaterialSystem, iWaterTextureSize ) );
// Monitors
m_CameraTexture.Init( CreateCameraTexture( pMaterialSystem, iCameraTextureSize ) );
}
//-----------------------------------------------------------------------------
// Purpose: Shut down each CTextureReference we created in InitClientRenderTargets.
// Called by the engine in material system shutdown.
// Input : -
//-----------------------------------------------------------------------------
void CBaseClientRenderTargets::ShutdownClientRenderTargets()
{
// Water effects
m_WaterReflectionTexture.Shutdown();
m_WaterRefractionTexture.Shutdown();
// Monitors
m_CameraTexture.Shutdown();
}