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();
});
}
public void TestCopyTo()
{
LosgapSystem.InvokeOnMaster(() => {
// Define variables and constants
const uint WIDTH_TX = 512U;
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);
// Assert outcome
TexelFormat.RGBA32Int[] copiedData = dstTex.ReadAll();
for (int i = 0; i < copiedData.Length; ++i)
{
Assert.AreEqual(i, copiedData[i].R);
Assert.AreEqual(i * 2, copiedData[i].G);
Assert.AreEqual(i * 3, copiedData[i].B);
Assert.AreEqual(i * 4, copiedData[i].A);
}
srcTex.Dispose();
dstTex.Dispose();
});
}
