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https://github.com/celisej567/source-sdk-2013.git
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b5dc4a8543
Fixes line-endings for files with extensions vcd, cc, txt, bat, fxc, inc, lst, proto, mak, mm, cfg, res, rc, def, vmt, vsh, vbsp, inl, asm, m4, vcproj, vcxproj, sln, in, java, la, manifest, am, and rad. Also fixes README, CONTRIBUTING, CONTRIBUTORS, LICENSE, CHANGES, COPYING, and gitignore. Finally, fixes executable bits.
93 lines
3.8 KiB
Plaintext
93 lines
3.8 KiB
Plaintext
//===================== Copyright (c) Valve Corporation. All Rights Reserved. ======================
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//
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// Example pixel shader that can be applied to models
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//
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//==================================================================================================
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// STATIC: "CONVERT_TO_SRGB" "0..0"
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// STATIC: "FLASHLIGHT" "0..1"
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// STATIC: "FLASHLIGHTDEPTHFILTERMODE" "0..2" [ps20b]
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// DYNAMIC: "WRITEWATERFOGTODESTALPHA" "0..1"
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// DYNAMIC: "PIXELFOGTYPE" "0..1"
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// DYNAMIC: "NUM_LIGHTS" "0..4"
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// DYNAMIC: "WRITE_DEPTH_TO_DESTALPHA" "0..1" [ps20b]
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// DYNAMIC: "FLASHLIGHTSHADOWS" "0..1" [ps20b]
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// SKIP: ($PIXELFOGTYPE == 0) && ($WRITEWATERFOGTODESTALPHA != 0)
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// We don't care about flashlight depth unless the flashlight is on
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// SKIP: ( $FLASHLIGHT == 0 ) && ( $FLASHLIGHTSHADOWS == 1 )
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// Flashlight shadow filter mode is irrelevant if there is no flashlight
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// SKIP: ( $FLASHLIGHT == 0 ) && ( $FLASHLIGHTDEPTHFILTERMODE != 0 ) [ps20b]
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#include "common_flashlight_fxc.h"
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#include "shader_constant_register_map.h"
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const float4 g_DiffuseModulation : register( PSREG_DIFFUSE_MODULATION );
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const float4 g_ShadowTweaks : register( PSREG_ENVMAP_TINT__SHADOW_TWEAKS );
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const float3 cAmbientCube[6] : register( PSREG_AMBIENT_CUBE );
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const float4 g_EyePos : register( PSREG_EYEPOS_SPEC_EXPONENT );
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const float4 g_FogParams : register( PSREG_FOG_PARAMS );
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const float4 g_FlashlightAttenuationFactors : register( PSREG_FLASHLIGHT_ATTENUATION ); // On non-flashlight pass
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const float4 g_FlashlightPos_RimBoost : register( PSREG_FLASHLIGHT_POSITION_RIM_BOOST );
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const float4x4 g_FlashlightWorldToTexture : register( PSREG_FLASHLIGHT_TO_WORLD_TEXTURE );
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PixelShaderLightInfo cLightInfo[3] : register( PSREG_LIGHT_INFO_ARRAY ); // 2 registers each - 6 registers total (4th light spread across w's)
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#define g_FlashlightPos g_FlashlightPos_RimBoost.xyz
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sampler BaseTextureSampler : register( s0 ); // Base map, selfillum in alpha
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sampler ShadowDepthSampler : register( s4 ); // Flashlight shadow depth map sampler
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sampler NormalizeRandRotSampler : register( s5 ); // Normalization / RandomRotation samplers
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sampler FlashlightSampler : register( s6 ); // Flashlight cookie
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struct PS_INPUT
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{
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float2 baseTexCoord : TEXCOORD0;
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float4 lightAtten : TEXCOORD1;
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float3 worldNormal : TEXCOORD2;
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float3 worldPos : TEXCOORD3;
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float3 projPos : TEXCOORD4;
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};
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float4 main( PS_INPUT i ) : COLOR
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{
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float4 baseColor = tex2D( BaseTextureSampler, i.baseTexCoord );
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float3 diffuseLighting;
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if ( FLASHLIGHT != 0 )
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{
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float4 flashlightSpacePosition = mul( float4( i.worldPos, 1.0f ), g_FlashlightWorldToTexture );
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diffuseLighting = DoFlashlight( g_FlashlightPos, i.worldPos, flashlightSpacePosition,
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i.worldNormal, g_FlashlightAttenuationFactors.xyz,
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g_FlashlightAttenuationFactors.w, FlashlightSampler, ShadowDepthSampler,
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NormalizeRandRotSampler, FLASHLIGHTDEPTHFILTERMODE, FLASHLIGHTSHADOWS, true, i.projPos, false, g_ShadowTweaks );
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}
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else // non-flashlight path
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{
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// Summation of diffuse illumination from all local lights
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diffuseLighting = PixelShaderDoLighting( i.worldPos, i.worldNormal,
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float3( 0.0f, 0.0f, 0.0f ), false, true, i.lightAtten,
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cAmbientCube, NormalizeRandRotSampler, NUM_LIGHTS, cLightInfo, true,
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// These are dummy parameters:
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false, 1.0f,
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false, BaseTextureSampler );
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}
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float3 result = baseColor.rgb * g_DiffuseModulation.rgb * diffuseLighting;
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float alpha = g_DiffuseModulation.a * baseColor.a;
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float fogFactor = CalcPixelFogFactor( PIXELFOGTYPE, g_FogParams, g_EyePos.z, i.worldPos.z, i.projPos.z );
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#if WRITEWATERFOGTODESTALPHA && ( PIXELFOGTYPE == PIXEL_FOG_TYPE_HEIGHT )
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alpha = fogFactor;
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#endif
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bool bWriteDepthToAlpha = ( WRITE_DEPTH_TO_DESTALPHA != 0 ) && ( WRITEWATERFOGTODESTALPHA == 0 );
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return FinalOutput( float4( result, alpha ), fogFactor, PIXELFOGTYPE, TONEMAP_SCALE_LINEAR, bWriteDepthToAlpha, i.projPos.z );
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}
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