mirror of https://github.com/axmolengine/axmol.git
121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
static const char metal_model_lit_vs[] = R"(mtlcode
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct VS_Input
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{
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float3 Pos;
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float3 Normal;
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float3 Binormal;
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float3 Tangent;
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float2 UV;
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float4 Color;
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uint Index;
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};
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struct VS_Output
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{
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float4 PosVS;
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float4 Color;
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float2 UV;
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float3 WorldN;
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float3 WorldB;
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float3 WorldT;
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float4 PosP;
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};
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struct VS_ConstantBuffer
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{
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float4x4 mCameraProj;
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float4x4 mModel_Inst[40];
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float4 fUV[40];
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float4 fModelColor[40];
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float4 fLightDirection;
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float4 fLightColor;
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float4 fLightAmbient;
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float4 mUVInversed;
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};
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struct main0_out
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{
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float4 _entryPointOutput_Color [[user(locn0)]];
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float2 _entryPointOutput_UV [[user(locn1)]];
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float3 _entryPointOutput_WorldN [[user(locn2)]];
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float3 _entryPointOutput_WorldB [[user(locn3)]];
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float3 _entryPointOutput_WorldT [[user(locn4)]];
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float4 _entryPointOutput_PosP [[user(locn5)]];
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float4 gl_Position [[position]];
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};
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struct main0_in
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{
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float3 Input_Pos [[attribute(0)]];
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float3 Input_Normal [[attribute(1)]];
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float3 Input_Binormal [[attribute(2)]];
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float3 Input_Tangent [[attribute(3)]];
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float2 Input_UV [[attribute(4)]];
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float4 Input_Color [[attribute(5)]];
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};
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static inline __attribute__((always_inline))
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VS_Output _main(VS_Input Input, constant VS_ConstantBuffer& v_31)
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{
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uint index = Input.Index;
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float4x4 mModel = transpose(v_31.mModel_Inst[index]);
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float4 uv = v_31.fUV[index];
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float4 modelColor = v_31.fModelColor[index] * Input.Color;
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VS_Output Output = VS_Output{ float4(0.0), float4(0.0), float2(0.0), float3(0.0), float3(0.0), float3(0.0), float4(0.0) };
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float4 localPos = float4(Input.Pos.x, Input.Pos.y, Input.Pos.z, 1.0);
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float4 worldPos = localPos * mModel;
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Output.PosVS = v_31.mCameraProj * worldPos;
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Output.Color = modelColor;
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float2 outputUV = Input.UV;
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outputUV.x = (outputUV.x * uv.z) + uv.x;
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outputUV.y = (outputUV.y * uv.w) + uv.y;
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outputUV.y = v_31.mUVInversed.x + (v_31.mUVInversed.y * outputUV.y);
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Output.UV = outputUV;
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float4 localNormal = float4(Input.Normal.x, Input.Normal.y, Input.Normal.z, 0.0);
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float4 localBinormal = float4(Input.Binormal.x, Input.Binormal.y, Input.Binormal.z, 0.0);
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float4 localTangent = float4(Input.Tangent.x, Input.Tangent.y, Input.Tangent.z, 0.0);
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float4 worldNormal = localNormal * mModel;
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float4 worldBinormal = localBinormal * mModel;
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float4 worldTangent = localTangent * mModel;
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worldNormal = normalize(worldNormal);
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worldBinormal = normalize(worldBinormal);
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worldTangent = normalize(worldTangent);
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Output.WorldN = worldNormal.xyz;
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Output.WorldB = worldBinormal.xyz;
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Output.WorldT = worldTangent.xyz;
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Output.PosP = Output.PosVS;
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return Output;
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}
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vertex main0_out main0(main0_in in [[stage_in]], constant VS_ConstantBuffer& v_31 [[buffer(0)]], uint gl_InstanceIndex [[instance_id]])
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{
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main0_out out = {};
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VS_Input Input;
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Input.Pos = in.Input_Pos;
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Input.Normal = in.Input_Normal;
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Input.Binormal = in.Input_Binormal;
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Input.Tangent = in.Input_Tangent;
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Input.UV = in.Input_UV;
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Input.Color = in.Input_Color;
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Input.Index = gl_InstanceIndex;
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VS_Output flattenTemp = _main(Input, v_31);
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out.gl_Position = flattenTemp.PosVS;
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out._entryPointOutput_Color = flattenTemp.Color;
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out._entryPointOutput_UV = flattenTemp.UV;
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out._entryPointOutput_WorldN = flattenTemp.WorldN;
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out._entryPointOutput_WorldB = flattenTemp.WorldB;
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out._entryPointOutput_WorldT = flattenTemp.WorldT;
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out._entryPointOutput_PosP = flattenTemp.PosP;
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return out;
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}
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)";
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