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 TestWrite()
{
LosgapSystem.InvokeOnMaster(() => {
// Define variables and constants
const uint WIDTH_TX = 100U;
const uint HEIGHT_TX = 100U;
const uint WRITE_OFFSET_U = 30U;
const uint WRITE_OFFSET_V = 30U;
SubresourceBox writeTarget = new SubresourceBox(
WRITE_OFFSET_U, WIDTH_TX,
WRITE_OFFSET_V, HEIGHT_TX
);
Texture2D <TexelFormat.RGBA8Int> srcTex = TextureFactory.NewTexture2D <TexelFormat.RGBA8Int>()
.WithUsage(ResourceUsage.Write)
.WithMultisampling(true)
.WithWidth(WIDTH_TX)
.WithHeight(HEIGHT_TX);
// Set up context
// Execute
srcTex.Write(
Enumerable.Range(0, (int)writeTarget.Volume)
.Select(i => new TexelFormat.RGBA8Int {
R = (sbyte)i, G = (sbyte)(i * 2), B = (sbyte)(i * 3), A = (sbyte)(i * 4)
})
.ToArray(),
writeTarget
);
Texture2D <TexelFormat.RGBA8Int> dstTex = srcTex.Clone()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None);
srcTex.CopyTo(dstTex);
// Assert outcome
TexelArray2D <TexelFormat.RGBA8Int> copiedData = dstTex.Read(0U);
for (uint v = WRITE_OFFSET_V, value = 0U; v < HEIGHT_TX; ++v)
{
for (uint u = WRITE_OFFSET_U; u < WIDTH_TX; ++u, ++value)
{
Assert.AreEqual((sbyte)value, copiedData[(int)u, (int)v].R);
Assert.AreEqual((sbyte)(value * 2U), copiedData[(int)u, (int)v].G);
Assert.AreEqual((sbyte)(value * 3U), copiedData[(int)u, (int)v].B);
Assert.AreEqual((sbyte)(value * 4U), copiedData[(int)u, (int)v].A);
}
}
srcTex.Dispose();
dstTex.Dispose();
});
}
public void TestCopyTo()
{
LosgapSystem.InvokeOnMaster(() => {
// Define variables and constants
const uint WIDTH_TX = 512U;
const uint HEIGHT_TX = 32U;
const uint NUM_TEXELS_TO_COPY_PER_ROW = 25U;
const uint FIRST_TEXEL_TO_COPY_IN_ROW = 25U;
const uint NUM_ROWS_TO_COPY = 5U;
const uint FIRST_ROW_TO_COPY = 1U;
const uint SRC_MIP_INDEX = 0U;
const uint DST_MIP_INDEX = 2U;
const uint DST_WRITE_OFFSET_X = 15U;
const uint DST_WRITE_OFFSET_Y = 2U;
const float DATA_VALUE_START_R_ROW_ADDITION = (float)WIDTH_TX;
const float DATA_VALUE_START_R = FIRST_TEXEL_TO_COPY_IN_ROW + DATA_VALUE_START_R_ROW_ADDITION * FIRST_ROW_TO_COPY;
TexelFormat.RGBA32Float[] initialData = Enumerable.Range(0, (int)TextureUtils.GetSizeTexels(true, WIDTH_TX, HEIGHT_TX))
.Select(i => new TexelFormat.RGBA32Float {
R = (float)i, G = (float)i * 2f, B = (float)i * 4f, A = (float)i * 8f
})
.ToArray();
Texture2D <TexelFormat.RGBA32Float> srcTex = TextureFactory.NewTexture2D <TexelFormat.RGBA32Float>()
.WithDynamicDetail(false)
.WithMultisampling(false)
.WithInitialData(initialData)
.WithMipAllocation(true)
.WithMipGenerationTarget(false)
.WithPermittedBindings(GPUBindings.ReadableShaderResource)
.WithUsage(ResourceUsage.Immutable)
.WithWidth(WIDTH_TX)
.WithHeight(HEIGHT_TX);
// Set up context
// Execute
Texture2D <TexelFormat.RGBA32Float> dstTex = srcTex.Clone()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None);
SubresourceBox targetBox = new SubresourceBox(
FIRST_TEXEL_TO_COPY_IN_ROW, FIRST_TEXEL_TO_COPY_IN_ROW + NUM_TEXELS_TO_COPY_PER_ROW,
FIRST_ROW_TO_COPY, FIRST_ROW_TO_COPY + NUM_ROWS_TO_COPY
);
srcTex.CopyTo(
dstTex,
targetBox,
SRC_MIP_INDEX,
DST_MIP_INDEX,
DST_WRITE_OFFSET_X,
DST_WRITE_OFFSET_Y
);
// Assert outcome
TexelArray2D <TexelFormat.RGBA32Float> copiedData = dstTex.Read(DST_MIP_INDEX);
for (int v = 0; v < NUM_ROWS_TO_COPY; ++v)
{
for (int u = 0; u < NUM_TEXELS_TO_COPY_PER_ROW; ++u)
{
var thisTexel = copiedData[u + (int)DST_WRITE_OFFSET_X, v + (int)DST_WRITE_OFFSET_Y];
Assert.AreEqual((float)(DATA_VALUE_START_R + DATA_VALUE_START_R_ROW_ADDITION * v + u), thisTexel.R);
Assert.AreEqual((float)(DATA_VALUE_START_R + DATA_VALUE_START_R_ROW_ADDITION * v + u) * 2f, thisTexel.G);
Assert.AreEqual((float)(DATA_VALUE_START_R + DATA_VALUE_START_R_ROW_ADDITION * v + u) * 4f, thisTexel.B);
Assert.AreEqual((float)(DATA_VALUE_START_R + DATA_VALUE_START_R_ROW_ADDITION * v + u) * 8f, thisTexel.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(TexelArray2D <TTexel> other)
{
return(Equals(Data, other.Data) && Width == other.Width && Height == other.Height);
}
public void TestCreationWithInitialData()
{
// Define variables and constants
const uint TEXTURE_WIDTH = 1 << 6;
const uint TEXTURE_HEIGHT = 1 << 4;
Texture2DBuilder <TexelFormat.RGBA8UInt> texBuilder = TextureFactory.NewTexture2D <TexelFormat.RGBA8UInt>()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None)
.WithWidth(TEXTURE_WIDTH)
.WithHeight(TEXTURE_HEIGHT);
TexelFormat.RGBA8UInt[] initialDataA = new TexelFormat.RGBA8UInt[TEXTURE_WIDTH * TEXTURE_HEIGHT];
TexelFormat.RGBA8UInt[] initialDataB = new TexelFormat.RGBA8UInt[TextureUtils.GetSizeTexels(true, TEXTURE_WIDTH, TEXTURE_HEIGHT)];
Texture2D <TexelFormat.RGBA8UInt> testTextureA, testTextureB;
TexelArray2D <TexelFormat.RGBA8UInt> texAData;
TexelArray2D <TexelFormat.RGBA8UInt>[] texBData = new TexelArray2D <TexelFormat.RGBA8UInt> [TextureUtils.GetNumMips(TEXTURE_WIDTH, TEXTURE_HEIGHT)];
// 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 mipHeight = TEXTURE_HEIGHT;
uint texelIndex = 0U;
while (mipWidth > 1U || mipHeight > 1U)
{
for (uint v = 0; v < mipHeight; ++v)
{
for (uint u = 0; u < mipWidth; ++u, ++texelIndex)
{
initialDataB[texelIndex].R = (byte)(u + mipWidth + v + mipHeight);
initialDataB[texelIndex].G = (byte)(u + mipWidth + v + mipHeight * 2);
initialDataB[texelIndex].B = (byte)(u + mipWidth + v + mipHeight * 3);
initialDataB[texelIndex].A = (byte)(u + mipWidth + v + mipHeight * 4);
}
}
mipWidth = Math.Max(1U, mipWidth >> 1);
mipHeight = Math.Max(1U, mipHeight >> 1);
}
initialDataB[initialDataB.Length - 1] = new TexelFormat.RGBA8UInt {
R = 2, G = 3, B = 4, A = 5
};
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);
}
for (uint mipIndex = 0U; mipIndex < testTextureB.NumMips; ++mipIndex)
{
for (uint v = 0; v < testTextureB.MipHeight(mipIndex); ++v)
{
for (uint u = 0; u < testTextureB.MipWidth(mipIndex); ++u)
{
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex)), texBData[mipIndex][u, v].R);
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex) * 2), texBData[mipIndex][u, v].G);
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex) * 3), texBData[mipIndex][u, v].B);
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex) * 4), texBData[mipIndex][u, v].A);
}
}
}
testTextureA.Dispose();
testTextureB.Dispose();
}