92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "BaseVSShader.h"
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#include "writez_vs20.inc"
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#include "white_ps20.inc"
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#include "white_ps20b.inc"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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ConVar gl_amd_occlusion_workaround( "gl_amd_occlusion_workaround", "1" );
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DEFINE_FALLBACK_SHADER( Occlusion, Occlusion_DX9 )
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BEGIN_VS_SHADER_FLAGS( Occlusion_DX9, "Help for Occlusion", SHADER_NOT_EDITABLE )
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BEGIN_SHADER_PARAMS
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END_SHADER_PARAMS
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SHADER_INIT_PARAMS()
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{
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}
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SHADER_FALLBACK
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{
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if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
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{
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return "Occlusion_DX8";
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}
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return 0;
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}
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SHADER_INIT
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{
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}
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SHADER_DRAW
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{
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SHADOW_STATE
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{
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pShaderShadow->EnableColorWrites( false );
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pShaderShadow->EnableAlphaWrites( false );
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pShaderShadow->EnableDepthWrites( false );
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DECLARE_STATIC_VERTEX_SHADER( writez_vs20 );
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SET_STATIC_VERTEX_SHADER( writez_vs20 );
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// No pixel shader on Direct3D, doubles fill rate
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if ( g_pHardwareConfig->PlatformRequiresNonNullPixelShaders() )
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{
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DECLARE_STATIC_PIXEL_SHADER( white_ps20 );
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SET_STATIC_PIXEL_SHADER( white_ps20 );
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// Workaround for weird AMD bug - if sRGB write isn't enabled here then sRGB write enable in subsequent world rendering passes will randomly not take effect (even though we're enabling it) in the driver.
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if ( ( IsLinux() || IsWindows() ) && gl_amd_occlusion_workaround.GetBool() )
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{
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pShaderShadow->EnableSRGBWrite( true );
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}
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}
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// Set stream format (note that this shader supports compression)
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unsigned int flags = VERTEX_POSITION | VERTEX_FORMAT_COMPRESSED;
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int nTexCoordCount = 1;
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int userDataSize = 0;
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pShaderShadow->VertexShaderVertexFormat( flags, nTexCoordCount, NULL, userDataSize );
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}
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DYNAMIC_STATE
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{
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DECLARE_DYNAMIC_VERTEX_SHADER( writez_vs20 );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( DOWATERFOG, pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z );
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SET_DYNAMIC_VERTEX_SHADER_COMBO( COMPRESSED_VERTS, (int)vertexCompression );
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SET_DYNAMIC_VERTEX_SHADER( writez_vs20 );
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// No pixel shader on Direct3D, doubles fill rate
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if ( g_pHardwareConfig->PlatformRequiresNonNullPixelShaders() )
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{
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DECLARE_DYNAMIC_PIXEL_SHADER( white_ps20 );
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SET_DYNAMIC_PIXEL_SHADER( white_ps20 );
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}
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}
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Draw();
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}
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END_SHADER
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