105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
// $NoKeywords: $
|
||
|
|
//=============================================================================//
|
||
|
|
|
||
|
|
#include "BaseVSShader.h"
|
||
|
|
|
||
|
|
#include "screenspaceeffect_vs20.inc"
|
||
|
|
#include "IntroScreenSpaceEffect_ps20.inc"
|
||
|
|
#include "IntroScreenSpaceEffect_ps20b.inc"
|
||
|
|
|
||
|
|
BEGIN_VS_SHADER_FLAGS( IntroScreenSpaceEffect, "Help for IntroScreenSpaceEffect", SHADER_NOT_EDITABLE )
|
||
|
|
BEGIN_SHADER_PARAMS
|
||
|
|
SHADER_PARAM( MODE, SHADER_PARAM_TYPE_INTEGER, "0", "" )
|
||
|
|
SHADER_PARAM( ENABLESRGB, SHADER_PARAM_TYPE_BOOL, "0", "" )
|
||
|
|
END_SHADER_PARAMS
|
||
|
|
|
||
|
|
SHADER_INIT_PARAMS()
|
||
|
|
{
|
||
|
|
SET_FLAGS2( MATERIAL_VAR2_NEEDS_FULL_FRAME_BUFFER_TEXTURE );
|
||
|
|
|
||
|
|
if ( !params[ENABLESRGB]->IsDefined() )
|
||
|
|
{
|
||
|
|
params[ENABLESRGB]->SetIntValue( 0 );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
SHADER_INIT
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
SHADER_FALLBACK
|
||
|
|
{
|
||
|
|
// Requires DX9 + above
|
||
|
|
if ( IsWindows() && ( g_pHardwareConfig->GetDXSupportLevel() < 90 || g_pHardwareConfig->PreferReducedFillrate() ) )
|
||
|
|
return "IntroScreenSpaceEffect_dx80";
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
SHADER_DRAW
|
||
|
|
{
|
||
|
|
SHADOW_STATE
|
||
|
|
{
|
||
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER0, true );
|
||
|
|
pShaderShadow->EnableTexture( SHADER_SAMPLER1, true );
|
||
|
|
|
||
|
|
// On OpenGL OSX, we MUST do sRGB reads from the bloom and full framebuffer textures AND sRGB writes on the way out to the framebuffer.
|
||
|
|
if ( params[ENABLESRGB]->GetIntValue() || IsOSX() )
|
||
|
|
{
|
||
|
|
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER0, true );
|
||
|
|
pShaderShadow->EnableSRGBRead( SHADER_SAMPLER1, true );
|
||
|
|
pShaderShadow->EnableSRGBWrite( true );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Only need the adapter if the shader expects sRGB values and we're forced to do an sRGB read by the API/Hardware
|
||
|
|
bool bNeedsSRGBAdapter = ( params[ENABLESRGB]->GetIntValue() == 0 ) && IsOSX() && !g_pHardwareConfig->FakeSRGBWrite() && g_pHardwareConfig->CanDoSRGBReadFromRTs();
|
||
|
|
|
||
|
|
pShaderShadow->VertexShaderVertexFormat( VERTEX_POSITION, 1, 0, 0 );
|
||
|
|
|
||
|
|
DECLARE_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
||
|
|
SET_STATIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
||
|
|
|
||
|
|
if ( g_pHardwareConfig->SupportsPixelShaders_2_b() || g_pHardwareConfig->ShouldAlwaysUseShaderModel2bShaders() ) // GL always goes the ps2b way for this shader, even on "ps20" parts
|
||
|
|
{
|
||
|
|
DECLARE_STATIC_PIXEL_SHADER( introscreenspaceeffect_ps20b );
|
||
|
|
SET_STATIC_PIXEL_SHADER_COMBO( LINEAR_TO_SRGB, bNeedsSRGBAdapter );
|
||
|
|
SET_STATIC_PIXEL_SHADER( introscreenspaceeffect_ps20b );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DECLARE_STATIC_PIXEL_SHADER( introscreenspaceeffect_ps20 );
|
||
|
|
SET_STATIC_PIXEL_SHADER( introscreenspaceeffect_ps20 );
|
||
|
|
}
|
||
|
|
|
||
|
|
pShaderShadow->EnableBlending( true );
|
||
|
|
pShaderShadow->BlendFunc( SHADER_BLEND_SRC_ALPHA, SHADER_BLEND_ONE );
|
||
|
|
}
|
||
|
|
DYNAMIC_STATE
|
||
|
|
{
|
||
|
|
pShaderAPI->BindStandardTexture( SHADER_SAMPLER0, TEXTURE_FRAME_BUFFER_FULL_TEXTURE_0 );
|
||
|
|
pShaderAPI->BindStandardTexture( SHADER_SAMPLER1, TEXTURE_FRAME_BUFFER_FULL_TEXTURE_1 );
|
||
|
|
DECLARE_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
||
|
|
SET_DYNAMIC_VERTEX_SHADER( screenspaceeffect_vs20 );
|
||
|
|
|
||
|
|
if ( g_pHardwareConfig->SupportsPixelShaders_2_b() || g_pHardwareConfig->ShouldAlwaysUseShaderModel2bShaders() ) // Posix always goes the ps2b way for this shader, even on "ps20" parts
|
||
|
|
{
|
||
|
|
DECLARE_DYNAMIC_PIXEL_SHADER( introscreenspaceeffect_ps20b );
|
||
|
|
SET_DYNAMIC_PIXEL_SHADER_COMBO( MODE, params[MODE]->GetIntValue() );
|
||
|
|
SET_DYNAMIC_PIXEL_SHADER( introscreenspaceeffect_ps20b );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DECLARE_DYNAMIC_PIXEL_SHADER( introscreenspaceeffect_ps20 );
|
||
|
|
SET_DYNAMIC_PIXEL_SHADER_COMBO( MODE, params[MODE]->GetIntValue() );
|
||
|
|
SET_DYNAMIC_PIXEL_SHADER( introscreenspaceeffect_ps20 );
|
||
|
|
}
|
||
|
|
|
||
|
|
SetPixelShaderConstant( 0, ALPHA );
|
||
|
|
}
|
||
|
|
Draw();
|
||
|
|
}
|
||
|
|
END_SHADER
|