您最多选择25个主题 主题必须以中文或者字母或数字开头,可以包含连字符 (-),并且长度不得超过35个字符
 
 
 
 

99 行
3.9 KiB

Shader "Hidden/HDRenderPipeline/DebugViewMaterialGBuffer"
{
SubShader
{
Pass
{
ZWrite Off
HLSLPROGRAM
#pragma target 4.5
#pragma only_renderers d3d11 ps4 vulkan metal // TEMP: until we go further in dev
#pragma vertex Vert
#pragma fragment Frag
#include "../../Core/ShaderLibrary/Common.hlsl"
#include "../../Core/ShaderLibrary/Color.hlsl"
// CAUTION: In case deferred lighting need to support various lighting model statically, we will require to do multicompile with different define like UNITY_MATERIAL_LIT
#define UNITY_MATERIAL_LIT // Need to be define before including Material.hlsl
#include "../ShaderVariables.hlsl"
#define DEBUG_DISPLAY
#include "../Debug/DebugDisplay.hlsl"
#include "../Material/Material.hlsl"
DECLARE_GBUFFER_TEXTURE(_GBufferTexture);
struct Attributes
{
uint vertexID : SV_VertexID;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
};
Varyings Vert(Attributes input)
{
Varyings output;
output.positionCS = GetFullScreenTriangleVertexPosition(input.vertexID);
return output;
}
float4 Frag(Varyings input) : SV_Target
{
// input.positionCS is SV_Position
PositionInputs posInput = GetPositionInput(input.positionCS.xy, _ScreenSize.zw);
float depth = LOAD_TEXTURE2D(_MainDepthTexture, posInput.unPositionSS).x;
UpdatePositionInput(depth, _InvViewProjMatrix, _ViewProjMatrix, posInput);
FETCH_GBUFFER(gbuffer, _GBufferTexture, posInput.unPositionSS);
BSDFData bsdfData;
float3 bakeDiffuseLighting;
DECODE_FROM_GBUFFER(gbuffer, 0xFFFFFFFF, bsdfData, bakeDiffuseLighting);
// Init to not expected value
float3 result = float3(-666.0, 0.0, 0.0);
bool needLinearToSRGB = false;
if (_DebugViewMaterial == DEBUGVIEWGBUFFER_DEPTH)
{
float linearDepth = frac(posInput.depthVS * 0.1);
result = linearDepth.xxx;
}
// Caution: This value is not the same than the builtin data bakeDiffuseLighting. It also include emissive and multiply by the albedo
else if (_DebugViewMaterial == DEBUGVIEWGBUFFER_BAKE_DIFFUSE_LIGHTING_WITH_ALBEDO_PLUS_EMISSIVE)
{
// TODO: require a remap
// TODO: we should not gamma correct, but easier to debug for now without correct high range value
result = bakeDiffuseLighting; needLinearToSRGB = true;
}
GetBSDFDataDebug(_DebugViewMaterial, bsdfData, result, needLinearToSRGB);
// f we haven't touch result, we don't blend it. This allow to have the GBuffer debug pass working with the regular forward debug pass.
// The forward debug pass will write its value and then the deferred will overwrite only touched texels.
if (result.x == -666.0)
{
return float4(0.0, 0.0, 0.0, 0.0);
}
else
{
// TEMP!
// For now, the final blit in the backbuffer performs an sRGB write
// So in the meantime we apply the inverse transform to linear data to compensate.
if (!needLinearToSRGB)
result = SRGBToLinear(max(0, result));
return float4(result, 1.0);
}
}
ENDHLSL
}
}
Fallback Off
}