celisej567/Nuake
1
0
Fork 0
mirror of https://github.com/antopilo/Nuake.git synced 2026-09-27 16:17:12 +03:00
Code Issues Packages Projects Releases Wiki Activity

Added normal maapping + material preview widget

Browse Source
This commit is contained in:
antopilo
2025-04-25 20:22:41 -04:00
parent 30b5ccc339
commit 67916d0307
18 changed files with 1005 additions and 218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
Data/Shaders/Vulkan/triangle.vert
View File

@@ -13,8 +13,8 @@ struct Vertex
float uv_x;
float3 normal;
float uv_y;
float3 tangent;
float3 bitangent;
float4 tangent;
float4 bitangent;
};
[[vk::binding(0, 1)]]
@@ -98,9 +98,35 @@ struct VSOutput
float3 Color : TEXCOORD0;
float2 UV : TEXCOORD1;
float3 Normal : TEXCOORD2;
//float3x3 TBN : TEXCOORD3;
float3 Tangent : TEXCOORD3;
float3 Bitangent : TEXCOORD4;
};
float3x3 invert(float3x3 m)
{
float3 a = m[0];
float3 b = m[1];
float3 c = m[2];
float3 r0 = cross(b, c);
float3 r1 = cross(c, a);
float3 r2 = cross(a, b);
float det = dot(r2, c);
// Return identity if not invertible (optional fallback)
if (abs(det) < 1e-6)
return float3x3(1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, 0.0, 1.0);
float invDet = 1.0 / det;
return float3x3(r0 * invDet,
r1 * invDet,
r2 * invDet);
}
// Main vertex shader
VSOutput main(uint vertexIndex : SV_VertexID)
{
@@ -116,11 +142,13 @@ VSOutput main(uint vertexIndex : SV_VertexID)
output.Position = mul(camView.Projection, mul(camView.View, mul(modelData.model, float4(v.position, 1.0f))));
output.Color = normalize(float3(v.position.xyz));
output.UV = float2(v.uv_x, v.uv_y);
output.Normal = normalize(v.normal);
float3x3 upper3x3 = (float3x3)modelData.model;
float3x3 normalMatrix = transpose(invert(upper3x3));
output.Bitangent = mul(normalMatrix, normalize(v.bitangent.xyz));
output.Normal = mul(normalMatrix, normalize(v.normal.xyz));
output.Tangent = mul(normalMatrix, normalize(v.tangent.xyz));
//float3 T = normalize(mul((float3x3)modelData.model, normalize(v.tangent.xyz)));
//float3 B = normalize(mul((float3x3)modelData.model, normalize(v.bitangent.xyz)));
//float3 N = normalize(mul((float3x3)modelData.model, normalize(v.normal)).xyz);
//output.TBN = transpose(float3x3(T, B, N));
//output.Normal = v.normal.xyz;
return output;
}