public void TestMipDimensions()
{
// Define variables and constants
const uint ORIGINAL_WIDTH_TX = 1 << 10;
Texture1DArray <TexelFormat.RGBA32UInt> textureArray = TextureFactory.NewTexture1D <TexelFormat.RGBA32UInt>()
.WithWidth(ORIGINAL_WIDTH_TX)
.WithMipAllocation(true)
.WithUsage(ResourceUsage.Write)
.CreateArray(10);
// Set up context
// Execute
for (int i = 0; ORIGINAL_WIDTH_TX >> i > 0; ++i)
{
Assert.AreEqual(ORIGINAL_WIDTH_TX >> i, textureArray.MipWidth((uint)i));
}
#if !DEVELOPMENT && !RELEASE
try {
textureArray.MipWidth(10000U);
Assert.Fail();
}
catch (AssuranceFailedException) { }
#endif
// Assert outcome
textureArray.Dispose();
}
public void TestCopyTo()
{
LosgapSystem.InvokeOnMaster(() => {
// Define variables and constants
const uint MIP0_WIDTH = 512U;
const uint ARRAY_LENGTH = 10U;
Texture1DArray <TexelFormat.RGBA32UInt> srcArray = TextureFactory.NewTexture1D <TexelFormat.RGBA32UInt>()
.WithDynamicDetail(false)
.WithInitialData(
Enumerable.Repeat(
Enumerable.Range(0, (int)TextureUtils.GetSizeTexels(true, MIP0_WIDTH))
.Select(i => (uint)i)
.Select(i => new TexelFormat.RGBA32UInt {
R = i, G = i * 2, B = i * 3, A = i * 4
}),
(int)ARRAY_LENGTH
)
.Flatten()
.ToArray()
)
.WithMipAllocation(true)
.WithMipGenerationTarget(false)
.WithPermittedBindings(GPUBindings.ReadableShaderResource)
.WithUsage(ResourceUsage.Immutable)
.WithMipAllocation(true)
.WithUsage(ResourceUsage.Write)
.WithWidth(MIP0_WIDTH)
.CreateArray(ARRAY_LENGTH);
// Set up context
Texture1DArray <TexelFormat.RGBA32UInt> dstArray = srcArray.Clone()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None)
.CreateArray(srcArray.ArrayLength);
srcArray.CopyTo(dstArray);
var data = dstArray[4].ReadAll();
// Execute
for (int i = 0, curMipIndex = 0; i < data.Length; ++curMipIndex)
{
for (int j = 0; j < dstArray.MipWidth((uint)curMipIndex); ++j, ++i)
{
Assert.AreEqual((uint)i, data[i].R);
Assert.AreEqual((uint)i * 2, data[i].G);
Assert.AreEqual((uint)i * 3, data[i].B);
Assert.AreEqual((uint)i * 4, data[i].A);
}
}
// Assert outcome
srcArray.Dispose();
dstArray.Dispose();
});
}