public void LocalBoolAssignToBool2Buffer()
{
Bool2 b2 = Bool2.TrueY;
using ReadWriteBuffer <Bool2> buffer = Gpu.Default.AllocateReadWriteBuffer <Bool2>(1);
var shader = new LocalBoolAssignToBool2Buffer_Shader {
B2 = b2, B = buffer
};
Gpu.Default.For(1, shader);
Bool2[] result = buffer.GetData();
Assert.IsTrue(result[0].X == b2.X);
Assert.IsTrue(result[0].Y == b2.Y);
}
public void LocalKnownVectorAssignToBuffer()
{
Vector4 vector4 = new Vector4(1, 2, 3, 4);
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(4);
var shader = new LocalKnownVectorAssignToBuffer_Shader {
V4 = vector4, B = buffer
};
Gpu.Default.For(4, shader);
float[] result = buffer.GetData();
float[] expected = { 1, 2, 3, 4 };
Assert.IsTrue(result.AsSpan().ContentEquals(expected));
}
private void MethodRunner(Func <float, float> func, float input, float expected)
{
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(1);
var shader = new ChangingFuncsFromExternalMethod_Shader
{
F = func,
B = buffer,
I = input
};
Gpu.Default.For(1, shader);
float[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - expected) < 0.0001f);
}
public void CopyBetweenWriteableBuffers()
{
float[] source = Enumerable.Range(0, 100).Select(i => (float)i).ToArray();
using ReadWriteBuffer <float> input = Gpu.Default.AllocateReadWriteBuffer(source);
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(source.Length);
var shader = new CopyBetweenWriteableBuffers_Shader {
IN = input, OUT = buffer
};
Gpu.Default.For(source.Length, shader);
float[] result = buffer.GetData();
Assert.IsTrue(result.AsSpan().ContentEquals(source));
}
public void IntrinsicWithOutParamaters()
{
float angle = 80;
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(4);
var shader = new IntrinsicWithOutParamaters_Shader {
A = angle, B = buffer
};
Gpu.Default.For(1, shader);
float[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - result[2]) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[1] - result[3]) < 0.0001f);
}
public void LocalFloatAssignToFloat2Buffer()
{
Float2 f2 = new Float2(1, 2);
using ReadWriteBuffer <Float2> buffer = Gpu.Default.AllocateReadWriteBuffer <Float2>(1);
var shader = new LocalFloatAssignToFloat2Buffer_Shader {
F2 = f2, B = buffer
};
Gpu.Default.For(1, shader);
Float2[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0].X - f2.Y) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[0].Y - f2.X) < 0.0001f);
}
public void FloatToFloat4Func()
{
using ReadWriteBuffer <Float4> buffer = Gpu.Default.AllocateReadWriteBuffer <Float4>(1);
var shader = new FloatToFloat4Func_Shader {
B = buffer
};
Gpu.Default.For(1, shader);
Float4[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0].X - 3) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[0].Y - 4) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[0].Z - 5) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[0].W - 6) < 0.0001f);
}
public void CustomStaticDelegate()
{
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(1);
Squarer square = StaticMethodsContainer.Square;
var shader = new CustomStaticDelegate_Shader
{
F = square,
B = buffer
};
Gpu.Default.For(1, shader);
float[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - 9) < 0.0001f);
}
public void InlineStatelessDelegate()
{
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(1);
Func <float, float> f = x => x * x;
var shader = new FloatToFloatFunc_Shader
{
F = f,
B = buffer
};
Gpu.Default.For(1, shader);
float[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - 9) < 0.0001f);
}
public void InternalFloatToFloatFunc()
{
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(1);
Func <float, float> square = StaticMethodsContainer.InternalSquare;
var shader = new FloatToFloatFunc_Shader
{
F = square,
B = buffer
};
Gpu.Default.For(1, shader);
float[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - 9) < 0.0001f);
}
public void Bool3Operations()
{
using ReadWriteBuffer <Bool3> buffer = Gpu.Default.AllocateReadWriteBuffer <Bool3>(3);
Action <ThreadIds> action = id =>
{
buffer[0] = Bool3.TrueX;
buffer[1] = Bool3.True;
buffer[2].YZ = Bool2.True;
};
Gpu.Default.For(1, action);
Bool3[] result = buffer.GetData();
Assert.IsTrue(result[0].X && !result[0].Y && !result[0].Z);
Assert.IsTrue(result[1].X && result[1].Y && result[1].Z);
Assert.IsTrue(!result[2].X && result[2].Y && result[2].Z);
}
public void RunShaderOnAllDevices()
{
foreach (GraphicsDevice gpu in Gpu.EnumerateDevices())
{
using (ReadWriteBuffer <float> buffer = gpu.AllocateReadWriteBuffer <float>(100))
{
Action <ThreadIds> action = id => buffer[id.X] = id.X;
gpu.For(100, action);
float[] array = buffer.GetData();
float[] expected = Enumerable.Range(0, 100).Select(i => (float)i).ToArray();
Assert.IsTrue(array.AsSpan().ContentEquals(expected));
}
gpu.Dispose();
}
}
public void CopyBetweenNestedClosuresEasy()
{
int value1 = 1;
using (ReadWriteBuffer <int> buffer1 = Gpu.Default.AllocateReadWriteBuffer <int>(1))
{
int value2 = 2;
Action <ThreadIds> action = id =>
{
int sum = value1 + value2;
buffer1[0] = sum;
};
Gpu.Default.For(1, action);
int[] result1 = buffer1.GetData();
Assert.IsTrue(result1[0] == value1 + value2);
}
}
public void CopyBetweenNestedClosuresHard()
{
int value1 = 1, value2 = 55, value3 = 77;
using (ReadWriteBuffer <int> buffer1 = Gpu.Default.AllocateReadWriteBuffer <int>(1))
{
int value4 = 2, value5 = 24, value6 = 99;
using (ReadWriteBuffer <int> buffer2 = Gpu.Default.AllocateReadWriteBuffer <int>(1))
{
int value7 = 3, value8 = 12, value9 = 333;
using (ReadWriteBuffer <int> buffer3 = Gpu.Default.AllocateReadWriteBuffer <int>(1))
{
int value10 = 4, value11 = 22;
Action <ThreadIds> action = id =>
{
int sum_gpu =
value1 + value2 + value3 + value4 +
value5 + value6 + value7 + value8 +
value9 + value10 + value11;
buffer1[0] = buffer2[0] = buffer3[0] = sum_gpu;
};
Gpu.Default.For(1, action);
int[] result1 = buffer1.GetData();
int[] result2 = buffer2.GetData();
int[] result3 = buffer3.GetData();
int sum_cpu =
value1 + value2 + value3 + value4 +
value5 + value6 + value7 + value8 +
value9 + value10 + value11;
Assert.IsTrue(result1[0] == sum_cpu);
Assert.IsTrue(result2[0] == sum_cpu);
Assert.IsTrue(result3[0] == sum_cpu);
}
}
}
}
private static void LocalScalarAssignToBuffer <T>(T value, Func <T, T, bool> equals) where T : unmanaged
{
using ReadWriteBuffer <T> buffer = Gpu.Default.AllocateReadWriteBuffer <T>(4);
T zero = default;
var shader = new LocalScalarAssignToBuffer_Shader <T>
{
Value = value,
Zero = zero,
B = buffer
};
Gpu.Default.For(4, shader);
T[] result = buffer.GetData();
Assert.IsTrue(equals(result[0], value));
Assert.IsFalse(equals(result[1], value));
Assert.IsTrue(equals(result[2], value));
Assert.IsFalse(equals(result[3], value));
}
public void StaticReadonlyVectorFieldAssignToBuffer()
{
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(2);
Action <ThreadIds> action = id =>
{
if (id.X == 0)
{
buffer[0] = StaticMembersContainer.ReadonlyVector2.X;
}
else
{
buffer[1] = StaticMembersContainer.ReadonlyVector2.Y;
}
};
Gpu.Default.For(2, action);
float[] result = buffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - StaticMembersContainer.ReadonlyVector2.X) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[1] - StaticMembersContainer.ReadonlyVector2.Y) < 0.0001f);
}
public void StaticReadOnlyBufferFieldAssignToBuffer()
{
using ReadWriteBuffer <float> buffer = Gpu.Default.AllocateReadWriteBuffer <float>(2);
Action <ThreadIds> action = id =>
{
if (id.X == 0)
{
buffer[0] = StaticFieldsContainer.StaticBuffer[0];
}
else
{
buffer[1] = StaticFieldsContainer.StaticBuffer[1];
}
};
Gpu.Default.For(2, action);
float[] result = buffer.GetData();
float[] expected = StaticFieldsContainer.StaticBuffer.GetData();
Assert.IsTrue(MathF.Abs(result[0] - expected[0]) < 0.0001f);
Assert.IsTrue(MathF.Abs(result[1] - expected[1]) < 0.0001f);
}