TheoBendixson

 fragment float4
 pixelArtFragmentShader(RasterizerData in [[stage_in]],
                        texture2d_array<half> texture_atlas [[ texture(0) ]])
 {
     constexpr sampler textureSampler (mag_filter::linear,
                                       min_filter::linear);
     
     // This is the alpha value from the graph, or the size of the margin where you 
     // want to apply bilinear filtering around a texel
     float2 alpha = float2(0.07);

TheoBendixson

typedef enum MacVertexInputIndex
{
  MacVertexInputIndexVertices = 0,
  MacVertexInputIndexViewportSize = 1,
  MacVertexInputIndexTextureSize = 2
} MacVertexInputIndex;

vertex RasterizerData         
vertexShader(uint vertexID [[ vertex_id ]],                                  
             constant MacTextureShaderVertex *vertexArray [[ buffer(MacVertexInputIndexVertices) ]],

TheoBendixson

// A simple struct representing the size of the texture in terms of
// texels.
typedef struct
{
    real32 Width;
    real32 Height;
} MacTextureSize;

// PRETEND THIS IS INSIDE OF A RENDERING FUNCTION

TheoBendixson

typedef struct
{
  // Rasterizer position output data, in terms of Apple's normalized device 
  // coordinates. The vertex shader maps on screen pixel coordinates to normalized 
  // device coordinates and stores the output in this value.
  float4 position [[position]];
  
  // The fragment texture coordinate, expressed in standard UV notation where 0.0f 
  // is the beginning and 1.0f is the end of a textured quad.
  float2 textureCoordinate;                                                                                                                

TheoBendixson

class RGBColor {
   var red: float
   var green: float
   var blue: float
}

TheoBendixson

class FakeTextField{
	var text:String?
}