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Fr4nz D13trich 2025-11-22 13:58:55 +01:00
parent 4af19165ec
commit 68073add76
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libs/shaders/Metal/shaders_lib.h Normal file
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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
// Scale factor in shape's coordinates transformation from tile's coordinate
// system.
constant float kShapeCoordScalar = 1000.0;
// This function applies a 2D->3D transformation matrix.
float4 ApplyPivotTransform(float4 pivot, float4x4 pivotTransform, float pivotRealZ);
// This function applies a 2D->3D transformation matrix to billboards.
float4 ApplyBillboardPivotTransform(float4 pivot, float4x4 pivotTransform, float pivotRealZ, float2 offset);
// This function calculates transformed position on an axis for line shaders family.
float2 CalcLineTransformedAxisPos(float2 originalAxisPos, float2 shiftedPos, float4x4 modelView, float halfWidth);