Rename Vertex Shader input semantic ofBLENDWEIGHT to BLENDWEIGHTS

Content/Editor/MaterialTemplates/Surface.shader

@@ -459,7 +459,7 @@ META_VS_IN_ELEMENT(TEXCOORD,     0, R16G16_FLOAT,      0, ALIGN, PER_VERTEX, 0,
 META_VS_IN_ELEMENT(NORMAL,       0, R10G10B10A2_UNORM, 0, ALIGN, PER_VERTEX, 0, true)
 META_VS_IN_ELEMENT(TANGENT,      0, R10G10B10A2_UNORM, 0, ALIGN, PER_VERTEX, 0, true)
 META_VS_IN_ELEMENT(BLENDINDICES, 0, R8G8B8A8_UINT,     0, ALIGN, PER_VERTEX, 0, true)
-META_VS_IN_ELEMENT(BLENDWEIGHT,  0, R16G16B16A16_FLOAT,0, ALIGN, PER_VERTEX, 0, true)
+META_VS_IN_ELEMENT(BLENDWEIGHTS, 0, R16G16B16A16_FLOAT,0, ALIGN, PER_VERTEX, 0, true)
 VertexOutput VS_Skinned(ModelInput_Skinned input)
 {
 	VertexOutput output;

Source/Engine/Graphics/Shaders/VertexElement.h

@@ -19,45 +19,45 @@ PACK_BEGIN() struct FLAXENGINE_API VertexElement
     {
         // Undefined.
         Unknown = 0,
-        // Vertex position.
+        // Vertex position. Maps to 'POSITION' semantic in the shader.
         Position = 1,
-        // Vertex color.
+        // Vertex color. Maps to 'COLOR' semantic in the shader.
         Color = 2,
-        // Vertex normal vector.
+        // Vertex normal vector. Maps to 'NORMAL' semantic in the shader.
         Normal = 3,
-        // Vertex tangent vector.
+        // Vertex tangent vector. Maps to 'TANGENT' semantic in the shader.
         Tangent = 4,
-        // Skinned bone blend indices.
+        // Skinned bone blend indices. Maps to 'BLENDINDICES' semantic in the shader.
         BlendIndices = 5,
-        // Skinned bone blend weights.
+        // Skinned bone blend weights. Maps to 'BLENDWEIGHTS' semantic in the shader.
         BlendWeights = 6,
-        // Primary texture coordinate (UV).
+        // Primary texture coordinate (UV). Maps to 'TEXCOORD0' semantic in the shader.
         TexCoord0 = 7,
-        // Additional texture coordinate (UV1).
+        // Additional texture coordinate (UV1). Maps to 'TEXCOORD1' semantic in the shader.
         TexCoord1 = 8,
-        // Additional texture coordinate (UV2).
+        // Additional texture coordinate (UV2). Maps to 'TEXCOORD2' semantic in the shader.
         TexCoord2 = 9,
-        // Additional texture coordinate (UV3).
+        // Additional texture coordinate (UV3). Maps to 'TEXCOORD3' semantic in the shader.
         TexCoord3 = 10,
-        // Additional texture coordinate (UV4).
+        // Additional texture coordinate (UV4). Maps to 'TEXCOORD4' semantic in the shader.
         TexCoord4 = 11,
-        // Additional texture coordinate (UV5).
+        // Additional texture coordinate (UV5). Maps to 'TEXCOORD5' semantic in the shader.
         TexCoord5 = 12,
-        // Additional texture coordinate (UV6).
+        // Additional texture coordinate (UV6). Maps to 'TEXCOORD6' semantic in the shader.
         TexCoord6 = 13,
-        // Additional texture coordinate (UV7).
+        // Additional texture coordinate (UV7). Maps to 'TEXCOORD7' semantic in the shader.
         TexCoord7 = 14,
-        // General purpose attribute (at index 0).
+        // General purpose attribute (at index 0). Maps to 'ATTRIBUTE0' semantic in the shader.
         Attribute0 = 15,
-        // General purpose attribute (at index 1).
+        // General purpose attribute (at index 1). Maps to 'ATTRIBUTE1' semantic in the shader.
         Attribute1 = 16,
-        // General purpose attribute (at index 2).
+        // General purpose attribute (at index 2). Maps to 'ATTRIBUTE2' semantic in the shader.
         Attribute2 = 17,
-        // General purpose attribute (at index 3).
+        // General purpose attribute (at index 3). Maps to 'ATTRIBUTE3' semantic in the shader.
         Attribute3 = 18,
-        // Texture coordinate.
+        // Texture coordinate. Maps to 'TEXCOORD' semantic in the shader.
         TexCoord = TexCoord0,
-        // General purpose attribute.
+        // General purpose attribute. Maps to 'ATTRIBUTE0' semantic in the shader.
         Attribute = Attribute0,
         MAX
     };

Source/Engine/GraphicsDevice/DirectX/RenderToolsDX.cpp

@@ -290,7 +290,7 @@ LPCSTR RenderToolsDX::GetVertexInputSemantic(VertexElement::Types type, UINT& se
     case VertexElement::Types::BlendIndices:
         return "BLENDINDICES";
     case VertexElement::Types::BlendWeights:
-        return "BLENDWEIGHT";
+        return "BLENDWEIGHTS";
     case VertexElement::Types::TexCoord0:
         return "TEXCOORD";
     case VertexElement::Types::TexCoord1:

Source/Engine/ShadersCompilation/Parser/ShaderMeta.h

@@ -141,7 +141,9 @@ public:
         BITANGENT = 6,
         ATTRIBUTE = 7,
         BLENDINDICES = 8,
-        BLENDWEIGHT = 9,
+        BLENDWEIGHTS = 9,
+        // [Deprecated in v1.10]
+        BLENDWEIGHT = BLENDWEIGHTS,
     };
 
     /// <summary>

Source/Engine/ShadersCompilation/Parser/ShaderProcessing.Parse.cpp

@@ -26,7 +26,8 @@ VertexShaderMeta::InputType ShaderProcessing::ParseInputType(const Token& token)
         _PARSE_ENTRY(BITANGENT),
         _PARSE_ENTRY(ATTRIBUTE),
         _PARSE_ENTRY(BLENDINDICES),
-        _PARSE_ENTRY(BLENDWEIGHT),
+        _PARSE_ENTRY(BLENDWEIGHTS),
+        _PARSE_ENTRY(BLENDWEIGHT), // [Deprecated in v1.10]
     };
 #undef _PARSE_ENTRY