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190 行
9.6 KiB

Shader "Hidden/HDRenderPipeline/DebugColorPicker"
{
SubShader
{
Tags{ "RenderPipeline" = "HDRenderPipeline" }
Pass
{
ZWrite Off
ZTest Always
Blend Off
Cull Off
HLSLPROGRAM
#pragma target 4.5
#pragma only_renderers d3d11 ps4 xboxone vulkan metal switch
#pragma vertex Vert
#pragma fragment Frag
#include "CoreRP/ShaderLibrary/Common.hlsl"
#include "CoreRP/ShaderLibrary/Color.hlsl"
#include "../ShaderVariables.hlsl"
#include "../Debug/DebugDisplay.cs.hlsl"
#include "../Debug/DebugDisplay.hlsl"
TEXTURE2D(_DebugColorPickerTexture);
SAMPLER(sampler_DebugColorPickerTexture);
float4 _ColorPickerParam; // 4 increasing threshold
int _ColorPickerMode;
float3 _ColorPickerFontColor;
float _ApplyLinearToSRGB;
float _RequireToFlipInputTexture;
int _FalseColor;
float4 _FalseColorThresholds; // 4 increasing threshold
struct Attributes
{
uint vertexID : SV_VertexID;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
float2 texcoord : TEXCOORD0;
};
Varyings Vert(Attributes input)
{
Varyings output;
output.positionCS = GetFullScreenTriangleVertexPosition(input.vertexID);
output.texcoord = GetNormalizedFullScreenTriangleTexCoord(input.vertexID);
return output;
}
float3 FasleColorRemap(float lum, float4 thresholds)
{
//Gradient from 0 to 240 deg of HUE gradient
const float l = DegToRad(240) / TWO_PI;
float t = lerp(0.0, l / 3, RangeRemap(thresholds.x, thresholds.y, lum))
+ lerp(0.0, l / 3, RangeRemap(thresholds.y, thresholds.z, lum))
+ lerp(0.0, l / 3, RangeRemap(thresholds.z, thresholds.w, lum));
return HsvToRgb(float3(l - t, 1, 1));
}
float4 DisplayPixelInformationAtMousePosition(Varyings input, float4 result, float4 mouseResult, float4 mousePixelCoord)
{
bool flipY = _RequireToFlipInputTexture > 0.0;
if (mousePixelCoord.z >= 0.0 && mousePixelCoord.z <= 1.0 && mousePixelCoord.w >= 0 && mousePixelCoord.w <= 1.0)
{
// As when we read with the color picker we don't go through the final blit (that current hardcode a conversion to sRGB)
// and as our material debug take it into account, we need to a transform here.
if (_ApplyLinearToSRGB > 0.0)
{
mouseResult.rgb = LinearToSRGB(mouseResult.rgb);
}
// Display message offset:
int displayTextOffsetX = 1.5 * DEBUG_FONT_TEXT_WIDTH;
int displayTextOffsetY;
if (flipY)
{
displayTextOffsetY = DEBUG_FONT_TEXT_HEIGHT;
}
else
{
displayTextOffsetY = -DEBUG_FONT_TEXT_HEIGHT;
}
uint2 displayUnormCoord = uint2(mousePixelCoord.x + displayTextOffsetX, mousePixelCoord.y + displayTextOffsetY);
uint2 unormCoord = input.positionCS.xy;
if (_ColorPickerMode == COLORPICKERDEBUGMODE_BYTE || _ColorPickerMode == COLORPICKERDEBUGMODE_BYTE4)
{
uint4 mouseValue = int4(mouseResult * 255.5);
DrawCharacter('R', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawInteger(mouseValue.x, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
if (_ColorPickerMode == COLORPICKERDEBUGMODE_BYTE4)
{
displayUnormCoord.x = mousePixelCoord.x + displayTextOffsetX;
displayUnormCoord.y += displayTextOffsetY;
DrawCharacter('G', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawInteger(mouseValue.y, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
displayUnormCoord.x = mousePixelCoord.x + displayTextOffsetX;
displayUnormCoord.y += displayTextOffsetY;
DrawCharacter('B', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawInteger(mouseValue.z, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
displayUnormCoord.x = mousePixelCoord.x + displayTextOffsetX;
displayUnormCoord.y += displayTextOffsetY;
DrawCharacter('A', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawInteger(mouseValue.w, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
}
}
else // float
{
DrawCharacter('X', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawFloat(mouseResult.x, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
if (_ColorPickerMode == COLORPICKERDEBUGMODE_FLOAT4)
{
displayUnormCoord.x = mousePixelCoord.x + displayTextOffsetX;
displayUnormCoord.y += displayTextOffsetY;
DrawCharacter('Y', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawFloat(mouseResult.y, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
displayUnormCoord.x = mousePixelCoord.x + displayTextOffsetX;
displayUnormCoord.y += displayTextOffsetY;
DrawCharacter('Z', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawFloat(mouseResult.z, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
displayUnormCoord.x = mousePixelCoord.x + displayTextOffsetX;
displayUnormCoord.y += displayTextOffsetY;
DrawCharacter('W', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawCharacter(':', _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
DrawFloat(mouseResult.w, _ColorPickerFontColor, unormCoord, displayUnormCoord, flipY, result.rgb);
}
}
}
return result;
}
float4 Frag(Varyings input) : SV_Target
{
if (_RequireToFlipInputTexture > 0.0)
{
input.texcoord.y = 1.0 * _ScreenToTargetScale.y - input.texcoord.y;
}
float4 result = SAMPLE_TEXTURE2D(_DebugColorPickerTexture, sampler_DebugColorPickerTexture, input.texcoord);
float4 mousePixelCoord = _MousePixelCoord;
if (_RequireToFlipInputTexture > 0.0)
{
mousePixelCoord.y = _ScreenSize.y - mousePixelCoord.y;
// Note: We must not flip the mousePixelCoord.w coordinate
}
float4 mouseResult = SAMPLE_TEXTURE2D(_DebugColorPickerTexture, sampler_DebugColorPickerTexture, mousePixelCoord.zw);
// Reverse debug exposure in order to display the real values.
// _DebugExposure will be set to zero if the debug view does not need it so we don't need to make a special case here. It's handled in only one place in C#
mouseResult = mouseResult / exp2(_DebugExposure);
if (_FalseColor)
result.rgb = FasleColorRemap(Luminance(result.rgb), _FalseColorThresholds);
float4 finalResult = result;
if (_ColorPickerMode != COLORPICKERDEBUGMODE_NONE)
finalResult = DisplayPixelInformationAtMousePosition(input, result, mouseResult, mousePixelCoord);
return finalResult;
}
ENDHLSL
}
}
Fallback Off
}