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229 lines
7.3 KiB
229 lines
7.3 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Portal mod render targets are specified by and accessable through this singleton
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "portal_render_targets.h"
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#include "materialsystem/imaterialsystem.h"
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#include "rendertexture.h"
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//-----------------------------------------------------------------------------
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// Purpose: Called in CClientRenderTargets::InitClientRenderTargets, used to set
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// the CTextureReference member
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// Input : pMaterialSystem - material system passed in from the engine
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// Output : ITexture* - the created texture
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//-----------------------------------------------------------------------------
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ITexture* CPortalRenderTargets::InitPortal1Texture( IMaterialSystem* pMaterialSystem )
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{
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if ( IsX360() )
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{
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// shouldn't be using
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Assert( 0 );
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return NULL;
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}
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return pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_Portal1",
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1, 1, RT_SIZE_FULL_FRAME_BUFFER,
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pMaterialSystem->GetBackBufferFormat(),
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MATERIAL_RT_DEPTH_SHARED,
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0,
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CREATERENDERTARGETFLAGS_HDR );
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}
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ITexture* CPortalRenderTargets::GetPortal1Texture()
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{
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return m_Portal1Texture;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called in CClientRenderTargets::InitClientRenderTargets, used to set
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// the CTextureReference member
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// Input : pMaterialSystem - material system passed in from the engine
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// Output : ITexture* - the created texture
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//-----------------------------------------------------------------------------
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ITexture* CPortalRenderTargets::InitPortal2Texture( IMaterialSystem* pMaterialSystem )
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{
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if ( IsX360() )
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{
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// shouldn't be using
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Assert( 0 );
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return NULL;
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}
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return pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_Portal2",
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1, 1, RT_SIZE_FULL_FRAME_BUFFER,
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pMaterialSystem->GetBackBufferFormat(),
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MATERIAL_RT_DEPTH_SHARED,
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0,
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CREATERENDERTARGETFLAGS_HDR );
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}
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ITexture* CPortalRenderTargets::GetPortal2Texture()
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{
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return m_Portal2Texture;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called in CClientRenderTargets::InitClientRenderTargets, used to set
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// the CTextureReference member
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// Input : pMaterialSystem - material system passed in from the engine
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// Output : ITexture* - the created texture
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//-----------------------------------------------------------------------------
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ITexture* CPortalRenderTargets::InitDepthDoublerTexture( IMaterialSystem* pMaterialSystem )
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{
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return pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_DepthDoubler",
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512, 512, RT_SIZE_DEFAULT,
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pMaterialSystem->GetBackBufferFormat(),
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MATERIAL_RT_DEPTH_SHARED,
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0,
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CREATERENDERTARGETFLAGS_HDR );
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}
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ITexture* CPortalRenderTargets::GetDepthDoublerTexture()
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{
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return m_DepthDoublerTexture;
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}
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void CPortalRenderTargets::InitPortalWaterTextures( IMaterialSystem* pMaterialSystem )
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{
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if ( IsX360() )
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{
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return;
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}
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//Reflections
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m_WaterReflectionTextures[0].Init(
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pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_PortalWaterReflection_Depth1",
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512, 512, RT_SIZE_PICMIP,
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pMaterialSystem->GetBackBufferFormat(),
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MATERIAL_RT_DEPTH_SEPARATE,
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TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
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CREATERENDERTARGETFLAGS_HDR ) );
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m_WaterReflectionTextures[1].Init(
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pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_PortalWaterReflection_Depth2",
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256, 256, RT_SIZE_PICMIP,
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pMaterialSystem->GetBackBufferFormat(),
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MATERIAL_RT_DEPTH_SEPARATE,
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TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
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CREATERENDERTARGETFLAGS_HDR ) );
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//Refractions
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m_WaterRefractionTextures[0].Init(
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pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_PortalWaterRefraction_Depth1",
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512, 512, RT_SIZE_PICMIP,
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// This is different than reflection because it has to have alpha for fog factor.
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IMAGE_FORMAT_RGBA8888,
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MATERIAL_RT_DEPTH_SEPARATE,
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TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
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CREATERENDERTARGETFLAGS_HDR ) );
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m_WaterRefractionTextures[1].Init(
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pMaterialSystem->CreateNamedRenderTargetTextureEx2(
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"_rt_PortalWaterRefraction_Depth2",
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256, 256, RT_SIZE_PICMIP,
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// This is different than reflection because it has to have alpha for fog factor.
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IMAGE_FORMAT_RGBA8888,
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MATERIAL_RT_DEPTH_SEPARATE,
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TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT,
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CREATERENDERTARGETFLAGS_HDR ) );
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}
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ITexture* CPortalRenderTargets::GetWaterReflectionTextureForStencilDepth( int iStencilDepth )
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{
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if ( IsX360() )
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{
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return NULL;
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}
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if ( iStencilDepth > 2 )
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return NULL;
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if ( iStencilDepth == 0 )
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return m_WaterReflectionTexture; //from CBaseClientRenderTargets
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return m_WaterReflectionTextures[ iStencilDepth - 1 ];
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}
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ITexture* CPortalRenderTargets::GetWaterRefractionTextureForStencilDepth( int iStencilDepth )
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{
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if ( IsX360() )
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{
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return NULL;
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}
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if ( iStencilDepth > 2 )
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return NULL;
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if ( iStencilDepth == 0 )
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return m_WaterRefractionTexture; //from CBaseClientRenderTargets
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return m_WaterRefractionTextures[ iStencilDepth - 1 ];
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}
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//-----------------------------------------------------------------------------
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// Purpose: InitClientRenderTargets, interface called by the engine at material system init in the engine
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// Input : pMaterialSystem - the interface to the material system from the engine (our singleton hasn't been set up yet)
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// pHardwareConfig - the user's hardware config, useful for conditional render targets setup
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//-----------------------------------------------------------------------------
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void CPortalRenderTargets::InitClientRenderTargets( IMaterialSystem* pMaterialSystem, IMaterialSystemHardwareConfig* pHardwareConfig )
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{
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// If they don't support stencils, allocate render targets for drawing portals.
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// TODO: When stencils are default, do the below check before bothering to allocate the RTs
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// and make sure that switching from Stencil<->RT mode reinits the material system.
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// if ( materials->StencilBufferBits() == 0 )
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if ( IsPC() || !IsX360() )
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{
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m_Portal1Texture.Init( InitPortal1Texture( pMaterialSystem ) );
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m_Portal2Texture.Init( InitPortal2Texture( pMaterialSystem ) );
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}
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m_DepthDoublerTexture.Init( InitDepthDoublerTexture( pMaterialSystem ) );
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if ( IsPC() || !IsX360() )
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{
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InitPortalWaterTextures( pMaterialSystem );
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}
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// Water effects & camera from the base class (standard HL2 targets)
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BaseClass::InitClientRenderTargets( pMaterialSystem, pHardwareConfig, 512, 256 );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Shutdown client render targets. This gets called during shutdown in the engine
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// Input : -
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//-----------------------------------------------------------------------------
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void CPortalRenderTargets::ShutdownClientRenderTargets()
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{
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m_Portal1Texture.Shutdown();
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m_Portal2Texture.Shutdown();
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m_DepthDoublerTexture.Shutdown();
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for ( int i = 0; i < 2; ++i )
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{
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m_WaterReflectionTextures[i].Shutdown();
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m_WaterRefractionTextures[i].Shutdown();
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}
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// Clean up standard HL2 RTs (camera and water)
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BaseClass::ShutdownClientRenderTargets();
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}
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static CPortalRenderTargets g_PortalRenderTargets;
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EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CPortalRenderTargets, IClientRenderTargets, CLIENTRENDERTARGETS_INTERFACE_VERSION, g_PortalRenderTargets );
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CPortalRenderTargets* portalrendertargets = &g_PortalRenderTargets;
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