public unsafe void TestIndexAccessors()
{
// Define variables and constants
const int WIDTH = 4;
const int HEIGHT = 8;
const int DEPTH = 2;
TexelFormat.Int8[] data = new TexelFormat.Int8[WIDTH * HEIGHT * DEPTH];
TexelArray1D <TexelFormat.Int8> array1D = new TexelArray1D <TexelFormat.Int8>(data);
TexelArray2D <TexelFormat.Int8> array2D = new TexelArray2D <TexelFormat.Int8>(data, WIDTH);
TexelArray3D <TexelFormat.Int8> array3D = new TexelArray3D <TexelFormat.Int8>(data, WIDTH, HEIGHT);
// Set up context
for (int i = 0; i < WIDTH * HEIGHT * DEPTH; ++i)
{
data[i].Value = (sbyte)i;
}
// Execute
// Assert outcome
Assert.AreEqual((sbyte)3, array1D[3].Value);
Assert.AreEqual((sbyte)22, array2D[2, 5].Value);
Assert.AreEqual((sbyte)54, array3D[2, 5, 1].Value);
}
public void TestCopyTo()
{
LosgapSystem.InvokeOnMaster(() => {
// Define variables and constants
const uint WIDTH_TX = 512U;
const uint NUM_TEXELS_TO_COPY = 25U;
const uint FIRST_TEXEL_TO_COPY = 25U;
const uint SRC_MIP_INDEX = 1U;
const uint DST_MIP_INDEX = 3U;
const uint DST_WRITE_OFFSET = 15U;
const uint DATA_VALUE_START_R = 512U + FIRST_TEXEL_TO_COPY;
Texture1D <TexelFormat.RGBA32Int> srcTex = TextureFactory.NewTexture1D <TexelFormat.RGBA32Int>()
.WithDynamicDetail(false)
.WithInitialData(
Enumerable.Range(0, (int)TextureUtils.GetSizeTexels(true, WIDTH_TX))
.Select(i => new TexelFormat.RGBA32Int {
R = i, G = i * 2, B = i * 3, A = i * 4
})
.ToArray()
)
.WithMipAllocation(true)
.WithMipGenerationTarget(false)
.WithPermittedBindings(GPUBindings.ReadableShaderResource)
.WithUsage(ResourceUsage.Immutable)
.WithWidth(WIDTH_TX);
// Set up context
// Execute
Texture1D <TexelFormat.RGBA32Int> dstTex = srcTex.Clone()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None);
srcTex.CopyTo(
dstTex,
new SubresourceBox(FIRST_TEXEL_TO_COPY, FIRST_TEXEL_TO_COPY + NUM_TEXELS_TO_COPY),
SRC_MIP_INDEX,
DST_MIP_INDEX,
DST_WRITE_OFFSET
);
// Assert outcome
TexelArray1D <TexelFormat.RGBA32Int> copiedData = dstTex.Read(DST_MIP_INDEX);
for (int i = 0; i < NUM_TEXELS_TO_COPY; ++i)
{
Assert.AreEqual(DATA_VALUE_START_R + i, copiedData[i + (int)DST_WRITE_OFFSET].R);
Assert.AreEqual((DATA_VALUE_START_R + i) * 2, copiedData[i + (int)DST_WRITE_OFFSET].G);
Assert.AreEqual((DATA_VALUE_START_R + i) * 3, copiedData[i + (int)DST_WRITE_OFFSET].B);
Assert.AreEqual((DATA_VALUE_START_R + i) * 4, copiedData[i + (int)DST_WRITE_OFFSET].A);
}
srcTex.Dispose();
dstTex.Dispose();
});
}
public void TestWrite()
{
LosgapSystem.InvokeOnMaster(() => {
// Define variables and constants
const uint WIDTH_TX = 512U;
const uint TARGET_MIP_INDEX = 1U;
const uint WRITE_OFFSET = 30U;
const int NUM_TX_TO_WRITE = 198;
Texture1D <TexelFormat.RGBA32Int> srcTex = TextureFactory.NewTexture1D <TexelFormat.RGBA32Int>()
.WithPermittedBindings(GPUBindings.ReadableShaderResource)
.WithMipAllocation(true)
.WithDynamicDetail(true)
.WithUsage(ResourceUsage.Write)
.WithWidth(WIDTH_TX);
// Set up context
// Execute
srcTex.Write(
Enumerable.Range(0, NUM_TX_TO_WRITE)
.Select(i => new TexelFormat.RGBA32Int {
R = i, G = i * 2, B = i * 3, A = i * 4
})
.ToArray(),
TARGET_MIP_INDEX,
WRITE_OFFSET
);
Texture1D <TexelFormat.RGBA32Int> dstTex = srcTex.Clone()
.WithDynamicDetail(false)
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None);
srcTex.CopyTo(dstTex);
// Assert outcome
TexelArray1D <TexelFormat.RGBA32Int> copiedData = dstTex.Read(TARGET_MIP_INDEX);
for (int i = 0; i < NUM_TX_TO_WRITE; ++i)
{
Assert.AreEqual(i, copiedData[i + (int)WRITE_OFFSET].R);
Assert.AreEqual(i * 2, copiedData[i + (int)WRITE_OFFSET].G);
Assert.AreEqual(i * 3, copiedData[i + (int)WRITE_OFFSET].B);
Assert.AreEqual(i * 4, copiedData[i + (int)WRITE_OFFSET].A);
}
srcTex.Dispose();
dstTex.Dispose();
});
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <returns>
/// true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
/// </returns>
/// <param name="other">An object to compare with this object.</param>
public bool Equals(TexelArray1D <TTexel> other)
{
return(Equals(Data, other.Data) && Width == other.Width);
}
public void TestCreationWithInitialData()
{
// Define variables and constants
const uint TEXTURE_WIDTH = 1 << 6;
Texture1DBuilder <TexelFormat.RGBA8UInt> texBuilder = TextureFactory.NewTexture1D <TexelFormat.RGBA8UInt>()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None)
.WithWidth(TEXTURE_WIDTH);
TexelFormat.RGBA8UInt[] initialDataA = new TexelFormat.RGBA8UInt[TEXTURE_WIDTH];
TexelFormat.RGBA8UInt[] initialDataB = new TexelFormat.RGBA8UInt[(TEXTURE_WIDTH << 1) - 1];
Texture1D <TexelFormat.RGBA8UInt> testTextureA, testTextureB;
TexelArray1D <TexelFormat.RGBA8UInt> texAData;
TexelArray1D <TexelFormat.RGBA8UInt>[] texBData = new TexelArray1D <TexelFormat.RGBA8UInt> [TextureUtils.GetNumMips(TEXTURE_WIDTH)];
// Set up context
for (uint i = 0; i < initialDataA.Length; ++i)
{
initialDataA[i].R = (byte)i;
initialDataA[i].G = (byte)(i * 2);
initialDataA[i].B = (byte)(i * 3);
initialDataA[i].A = (byte)(i * 4);
}
testTextureA = texBuilder.WithInitialData(initialDataA).Create();
uint mipWidth = TEXTURE_WIDTH;
uint texelIndex = 0U;
while (mipWidth > 0)
{
for (uint i = 0; i < mipWidth; ++i, ++texelIndex)
{
initialDataB[texelIndex].R = (byte)(i + mipWidth);
initialDataB[texelIndex].G = (byte)(i * 2 + mipWidth);
initialDataB[texelIndex].B = (byte)(i * 3 + mipWidth);
initialDataB[texelIndex].A = (byte)(i * 4 + mipWidth);
}
mipWidth >>= 1;
}
testTextureB = texBuilder.WithMipAllocation(true).WithInitialData(initialDataB).Create();
// Execute
texAData = testTextureA.Read(0U);
for (uint i = 0; i < texBData.Length; ++i)
{
texBData[i] = testTextureB.Read(i);
}
// Assert outcome
for (uint i = 0; i < texAData.Width; ++i)
{
Assert.AreEqual((byte)i, initialDataA[i].R);
Assert.AreEqual((byte)(i * 2), initialDataA[i].G);
Assert.AreEqual((byte)(i * 3), initialDataA[i].B);
Assert.AreEqual((byte)(i * 4), initialDataA[i].A);
}
mipWidth = TEXTURE_WIDTH;
texelIndex = 0U;
while (mipWidth > 0)
{
for (uint i = 0; i < mipWidth; ++i, ++texelIndex)
{
Assert.AreEqual((byte)(i + mipWidth), initialDataB[texelIndex].R);
Assert.AreEqual((byte)(i * 2 + mipWidth), initialDataB[texelIndex].G);
Assert.AreEqual((byte)(i * 3 + mipWidth), initialDataB[texelIndex].B);
Assert.AreEqual((byte)(i * 4 + mipWidth), initialDataB[texelIndex].A);
}
mipWidth >>= 1;
}
testTextureA.Dispose();
testTextureB.Dispose();
}