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//TEST:SIMPLE(filecheck=WGSL): -target wgsl -conformance "Circle:IShape=0" -conformance "Rectangle:IShape=1"
[anyValueSize(16)]
interface IShape
{
float getArea();
}
struct Circle : IShape
{
float radius;
float getArea() { return 3.14159 * radius * radius; }
}
struct Rectangle : IShape
{
float width;
float height;
float getArea() { return width * height; }
}
struct ShapeDataBlob { uint type; uint payload[16]; }
struct ShapeBuffer
{
StructuredBuffer<ShapeDataBlob> shapes;
IShape getShape(uint index)
{
uint type = shapes[index].type;
return createDynamicObject<IShape, ShapeDataBlob>(type, shapes[index]);
}
}
struct VertexInput
{
float2 position;
float3 color;
}
struct VertexOutput
{
float4 position : SV_POSITION;
float3 color : TEXCOORD0;
float area : TEXCOORD1;
}
[shader("vertex")]
func vs_main( input: VertexInput, shapes: ShapeBuffer)->VertexOutput
{
VertexOutput output;
output.position = float4(input.position, 0.0, 1.0);
output.color = input.color;
output.area = shapes.getShape(0).getArea();
return output;
}
struct FragmentOutput
{
float4 color : SV_TARGET;
}
[shader("fragment")]
func fs_main(VertexOutput input)->FragmentOutput
{
FragmentOutput output;
output.color = float4(input.color * input.area, 1.0);
return output;
}
//WGSL: switch({{.*}})
//WGSL-NEXT: {
//WGSL-NEXT: case u32(0):
//WGSL-NEXT: {
//WGSL-NEXT: return Circle_getArea_0
//WGSL-NEXT: }
//WGSL-NEXT: default :
//WGSL-NEXT: {
//WGSL-NEXT: return Rectangle_getArea_0
//WGSL-NEXT: }
//WGSL-NEXT: }
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