Remove texcoord packing

Author: tylertms

src/core/utility/packing.c

@@ -149,8 +149,8 @@ ShaderVertex packShaderVertex(const Vertex* vertex) {
     packed.packedNormal = packOctNormal32(vertex->normal);
     packed.packedTangent = packTangent32(vertex->tangent);
     packed.packedColor = packColorRGBA8(vertex->color);
-    packed.texcoord0 = packHalf2(vertex->texcoord0);
-    packed.texcoord1 = packHalf2(vertex->texcoord1);
+    memcpy(packed.texcoord0, vertex->texcoord0, sizeof(packed.texcoord0));
+    memcpy(packed.texcoord1, vertex->texcoord1, sizeof(packed.texcoord1));
 
     return packed;
 }

src/shaders/geometry/surface.slang

@@ -140,18 +140,8 @@ SurfaceTextureData evaluateSurfaceTextureData(MeshInfo mesh, uint primitiveIndex
             unpackColorRGBA8(vertex2.packedColor),
             barycentrics
         ),
-        interpolateTriangleFloat2(
-            unpackHalf2(vertex0.texcoord0),
-            unpackHalf2(vertex1.texcoord0),
-            unpackHalf2(vertex2.texcoord0),
-            barycentrics
-        ),
-        interpolateTriangleFloat2(
-            unpackHalf2(vertex0.texcoord1),
-            unpackHalf2(vertex1.texcoord1),
-            unpackHalf2(vertex2.texcoord1),
-            barycentrics
-        )
+        interpolateTriangleFloat2(vertex0.texcoord0, vertex1.texcoord0, vertex2.texcoord0, barycentrics),
+        interpolateTriangleFloat2(vertex0.texcoord1, vertex1.texcoord1, vertex2.texcoord1, barycentrics)
     );
 }
 
@@ -214,18 +204,8 @@ SurfaceShadingData reconstructSurfaceShading(
             unpackColorRGBA8(vertex2.packedColor),
             barycentrics
         ),
-        interpolateTriangleFloat2(
-            unpackHalf2(vertex0.texcoord0),
-            unpackHalf2(vertex1.texcoord0),
-            unpackHalf2(vertex2.texcoord0),
-            barycentrics
-        ),
-        interpolateTriangleFloat2(
-            unpackHalf2(vertex0.texcoord1),
-            unpackHalf2(vertex1.texcoord1),
-            unpackHalf2(vertex2.texcoord1),
-            barycentrics
-        )
+        interpolateTriangleFloat2(vertex0.texcoord0, vertex1.texcoord0, vertex2.texcoord0, barycentrics),
+        interpolateTriangleFloat2(vertex0.texcoord1, vertex1.texcoord1, vertex2.texcoord1, barycentrics)
     );
 
     return hit;

src/shared/types.h

@@ -32,12 +32,12 @@ VKRT_SHARED_STRUCT(Vertex, {
 })
 
 VKRT_SHARED_STRUCT(ShaderVertex, {
-    float3 position;
+    float4 position;
+    float2 texcoord0;
+    float2 texcoord1;
     uint packedNormal;
     uint packedTangent;
     uint packedColor;
-    uint texcoord0;
-    uint texcoord1;
 })
 
 VKRT_SHARED_STRUCT(MeshInfo, {