public void ConstantBufferGetSetFromGenericValues()
{
object[] values = { 7, 3.14, Vector2.UnitX, 3.14f, new Vector4(7.14f, 7.15f, 7.77f, 2.55f) };
using ConstantBuffer <Vector4> buffer = (ConstantBuffer <Vector4>)Gpu.Default.AllocateConstantBufferFromReflectedValues(values);
Vector4[] data = buffer.GetData();
ref byte r0 = ref Unsafe.As <Vector4, byte>(ref data[0]);
public void ReadOnlyBufferGetSetDataFromArray()
{
float[] array = Enumerable.Range(0, 4096).Select(i => (float)i).ToArray();
using ConstantBuffer <float> buffer = Gpu.Default.AllocateConstantBuffer(array);
float[] result = buffer.GetData();
Assert.IsTrue(array.AsSpan().ContentEquals(result));
}
public void ConstantBufferGetRangeData()
{
float[] array = Enumerable.Range(0, 4096).Select(i => (float)i).ToArray();
using ConstantBuffer <float> sourceBuffer = Gpu.Default.AllocateConstantBuffer(array);
float[] sourceResult = sourceBuffer.GetData(128, 100);
Assert.IsTrue(array.AsSpan(128, 100).ContentEquals(sourceResult));
}
private static void ConstantBufferSetGeneric <T>(RenderContext rc, T value) where T : struct, IEquatable <T>
{
int sizeOfT = Unsafe.SizeOf <T>();
ConstantBuffer cb = rc.ResourceFactory.CreateConstantBuffer(sizeOfT);
cb.SetData(ref value, sizeOfT);
T returnedValue = default(T);
cb.GetData(ref returnedValue, sizeOfT);
Assert.Equal(value, returnedValue);
}
public void SetData_GetData()
{
VkRenderContext rc = TestData.CreateVulkanContext();
ConstantBuffer cb = rc.ResourceFactory.CreateConstantBuffer(ShaderConstantType.Matrix4x4);
Matrix4x4 mat = Matrix4x4.Identity;
cb.SetData(ref mat, Unsafe.SizeOf <Matrix4x4>());
Matrix4x4 ret = new Matrix4x4();
cb.GetData(ref ret, Unsafe.SizeOf <Matrix4x4>());
Assert.Equal(mat, ret);
}
public void ReadOnlyBufferGetSetDataFromReadOnlyBuffer()
{
float[] array = Enumerable.Range(0, 4096).Select(i => (float)i).ToArray();
using ConstantBuffer <float> sourceBuffer = Gpu.Default.AllocateConstantBuffer(array);
using ConstantBuffer <float> destinationBuffer = Gpu.Default.AllocateConstantBuffer(sourceBuffer);
float[] sourceResult = sourceBuffer.GetData();
float[] destinationResult = destinationBuffer.GetData();
Assert.IsTrue(array.AsSpan().ContentEquals(sourceResult));
Assert.IsTrue(array.AsSpan().ContentEquals(destinationResult));
}
