Team Fortress 2 Source Code as on 22/4/2020
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.
|
|
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Visualize shadow z buffers. Designed to be used when drawing a screen-aligned
// quad with a floating-point z-buffer so that the large z-range is divided down
// into visual range of grayscale colors.
//
// $NoKeywords: $
//=============================================================================//
#include "convar.h"
#include "BaseVSShader.h"
#include "showz_vs20.inc"
#include "showz_ps20.inc"
#include "showz_ps20b.inc"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
static ConVar r_showz_power( "r_showz_power", "1.0f", FCVAR_CHEAT );
BEGIN_VS_SHADER_FLAGS( showz, "Help for ShowZ", SHADER_NOT_EDITABLE ) BEGIN_SHADER_PARAMS SHADER_PARAM( ALPHADEPTH, SHADER_PARAM_TYPE_INTEGER, "0", "Depth is stored in alpha channel" ) END_SHADER_PARAMS
SHADER_INIT_PARAMS() { if ( !params[ALPHADEPTH]->IsDefined() ) { params[ALPHADEPTH]->SetIntValue( 0 ); } }
SHADER_FALLBACK { // if ( g_pHardwareConfig->GetDXSupportLevel() < 90 )
// return "Wireframe";
return 0; }
SHADER_INIT { }
SHADER_DRAW { SHADOW_STATE { pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
DECLARE_STATIC_VERTEX_SHADER( showz_vs20 ); SET_STATIC_VERTEX_SHADER( showz_vs20 );
if( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_STATIC_PIXEL_SHADER( showz_ps20b ); SET_STATIC_PIXEL_SHADER_COMBO( DEPTH_IN_ALPHA, params[ALPHADEPTH]->GetIntValue() ); SET_STATIC_PIXEL_SHADER( showz_ps20b ); } else { DECLARE_STATIC_PIXEL_SHADER( showz_ps20 ); SET_STATIC_PIXEL_SHADER_COMBO( DEPTH_IN_ALPHA, params[ALPHADEPTH]->GetIntValue() ); SET_STATIC_PIXEL_SHADER( showz_ps20 ); }
pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 1, 0, 0 );
pShaderShadow->EnableSRGBWrite( true ); // The back buffer is sRGB, we should always set this true!
} DYNAMIC_STATE { BindTexture( SHADER_SAMPLER0, BASETEXTURE, FRAME ); // Bind shadow depth map
DECLARE_DYNAMIC_VERTEX_SHADER( showz_vs20 ); SET_DYNAMIC_VERTEX_SHADER( showz_vs20 );
if( g_pHardwareConfig->SupportsPixelShaders_2_b() ) { DECLARE_DYNAMIC_PIXEL_SHADER( showz_ps20b ); SET_DYNAMIC_PIXEL_SHADER( showz_ps20b ); } else { DECLARE_DYNAMIC_PIXEL_SHADER( showz_ps20 ); SET_DYNAMIC_PIXEL_SHADER( showz_ps20 ); }
Vector4D C0; C0.x = r_showz_power.GetFloat();
pShaderAPI->SetPixelShaderConstant( 0, C0.Base(), 1 ); } Draw(); } END_SHADER
|