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Move LyShine shader to the gem

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Signed-off-by: abrmich <abrmich@amazon.com>
This commit is contained in:
abrmich
2021-12-22 17:32:20 -08:00
parent 7581967da3
commit f9404baabc
4 changed files with 1 additions and 1 deletions
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Gems/AtomLyIntegration/AtomBridge/Assets/Shaders/LyShineUI.azsl
-149
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@@ -1,149 +0,0 @@
/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <Atom/Features/SrgSemantics.azsli>
#include <Atom/Features/PostProcessing/PostProcessUtil.azsli>
// If true pixels with an alpha value of less than 0.5 are clipped
option bool o_alphaTest;
// If true both the texture color and diffuse color are converted from linear to sRGB color space
option bool o_srgbWrite;
// Indicates how to use the second texture indexed by a vertex (if at all)
option enum class Modulate { None, Alpha, AlphaAndColor } o_modulate;
// Each vertex can select one or two of the 16 textures bound
// We use an array of textures and a bitmask that indicates whether to use clamp
// sampler (bit set) or wrap. The nth bit has the correct sampler value for the nth texture
ShaderResourceGroup InstanceSrg : SRG_PerDraw
{
row_major float4x4 m_worldToProj;
uint m_isClamp;
Texture2D m_texture[16];
Sampler m_wrapSampler
{
MaxAnisotropy = 16;
AddressU = Wrap;
AddressV = Wrap;
AddressW = Wrap;
};
Sampler m_clampSampler
{
MaxAnisotropy = 16;
AddressU = Clamp;
AddressV = Clamp;
AddressW = Clamp;
};
};
struct VSInput
{
float2 m_position : POSITION;
float4 m_color : COLOR0;
float2 m_uv : TEXCOORD0;
uint2 m_flags : BLENDINDICES;
};
struct VSOutput
{
float4 m_position : SV_Position;
float4 m_color : COLOR0;
float2 m_uv : TEXCOORD0;
nointerpolation uint m_texIndex : COLOR1;
nointerpolation uint m_texHasColorChannel : COLOR2;
nointerpolation uint m_texIndex2 : COLOR3;
};
VSOutput MainVS(VSInput IN)
{
float4x4 worldToProj = InstanceSrg::m_worldToProj;
float4 posPS = mul(worldToProj, float4(IN.m_position, 1.0f, 1.0f));
VSOutput OUT;
OUT.m_position = posPS;
OUT.m_color = IN.m_color;
OUT.m_uv = IN.m_uv;
OUT.m_texIndex = IN.m_flags.x & 0x00FF;
OUT.m_texHasColorChannel = ((IN.m_flags.x & 0xFF00) > 0) ? 1 : 0;
OUT.m_texIndex2 = IN.m_flags.y & 0x00FF;
return OUT;
};
struct PSOutput
{
float4 m_color : SV_Target0;
};
float4 SampleTriangleTexture(uint texIndex, float2 uv)
{
if ((InstanceSrg::m_isClamp & (1U << texIndex)) != 0)
{
return InstanceSrg::m_texture[texIndex].Sample(InstanceSrg::m_clampSampler, uv);
}
else
{
return InstanceSrg::m_texture[texIndex].Sample(InstanceSrg::m_wrapSampler, uv);
}
}
PSOutput MainPS(VSOutput IN)
{
PSOutput OUT;
float4 baseTex = SampleTriangleTexture(IN.m_texIndex, IN.m_uv.xy);
float4 inDiffuse = IN.m_color;
// If the texture does not have a color channel then the alpha channel will be in the R channel of the R8 texture
baseTex = (IN.m_texHasColorChannel) ? baseTex : float4(1.0f, 1.0f, 1.0f, baseTex.x);
float4 resColor = baseTex * inDiffuse;
if (o_alphaTest)
{
clip(resColor.w - 0.5);
}
// Should use srgb anytime after tonemapping
if (o_srgbWrite)
{
resColor.xyz = LinearToSRGB(resColor.xyz);
}
// If the o_modulate option is not None it means that the verts have two texture indicies. The second texture is used to
// mask the first. This is used for gradient masks.
if (o_modulate == Modulate::Alpha)
{
float4 maskTexAlpha = SampleTriangleTexture(IN.m_texIndex2, IN.m_uv.xy);
resColor.w *= maskTexAlpha.w;
if (o_alphaTest)
{
// This is a rare case that would only happen if a gradient mask is used inside the mask primitive for a stencil mask
clip(resColor.w - 0.5);
}
}
else if (o_modulate == Modulate::AlphaAndColor)
{
float4 maskTex = SampleTriangleTexture(IN.m_texIndex2, IN.m_uv.xy);
resColor *= maskTex.w;
if (o_alphaTest)
{
// This is a rare case that would only happen if a gradient mask is used inside the mask primitive for a stencil mask
clip(resColor.w - 0.5);
}
}
OUT.m_color = resColor;
return OUT;
};
Gems/AtomLyIntegration/AtomBridge/Assets/Shaders/LyShineUI.shader
-39
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{
"Source" : "LyShineUI.azsl",
"DepthStencilState" : {
"Depth" : {
"Enable" : false,
"CompareFunc" : "Always"
}
},
"RasterState" : {
"DepthClipEnable" : false,
"CullMode" : "None"
},
"BlendState" : {
"Enable" : true,
"BlendSource" : "AlphaSource",
"BlendDest" : "AlphaSourceInverse",
"BlendOp" : "Add"
},
"DrawList" : "2dpass",
"ProgramSettings":
{
"EntryPoints":
[
{
"name": "MainVS",
"type": "Vertex"
},
{
"name": "MainPS",
"type": "Fragment"
}
]
}
}
Gems/AtomLyIntegration/AtomBridge/Assets/Shaders/LyShineUI.shadervariantlist
-37
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{
"Shader" : "LyShineUI.shader",
"Variants" : [
{
"StableId": 1,
"Options": {
"o_alphaTest": "false",
"o_srgbWrite": "true",
"o_modulate": "Modulate::None"
}
},
{
"StableId": 2,
"Options": {
"o_alphaTest": "false",
"o_srgbWrite": "false",
"o_modulate": "Modulate::None"
}
},
{
"StableId": 3,
"Options": {
"o_alphaTest": "true",
"o_srgbWrite": "false",
"o_modulate": "Modulate::None"
}
},
{
"StableId": 4,
"Options": {
"o_alphaTest": "false",
"o_srgbWrite": "false",
"o_modulate": "Modulate::Alpha"
}
}
]
}