public void TestReadAndReadAll() { // Define variables and constants const uint WIDTH_TX = 512U; Texture1D <TexelFormat.RGBA32Int> srcTex = TextureFactory.NewTexture1D <TexelFormat.RGBA32Int>() .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) .WithPermittedBindings(GPUBindings.None) .WithUsage(ResourceUsage.StagingRead) .WithWidth(WIDTH_TX); TexelFormat.RGBA32Int[] readAllData = srcTex.ReadAll(); for (int i = 0, curMipIndex = 0; i < readAllData.Length; ++curMipIndex) { var readData = srcTex.Read((uint)curMipIndex); for (int j = 0; j < readData.Width; ++j, ++i) { Assert.AreEqual(readData[j], readAllData[i]); } } srcTex.Dispose(); }
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 TestReadWrite() { // Define variables and constants const uint WIDTH_TX = 512U; const uint TARGET_MIP_INDEX = 4U; const uint DATA_WRITE_OFFSET = 10U; const uint DATA_WRITE_COUNT = 10U; Texture1D <TexelFormat.RGBA32UInt> srcTex = TextureFactory.NewTexture1D <TexelFormat.RGBA32UInt>() .WithInitialData( Enumerable.Range(0, (int)TextureUtils.GetSizeTexels(true, WIDTH_TX)) .Select(i => (uint)i) .Select(i => new TexelFormat.RGBA32UInt { R = i, G = i * 2, B = i * 3, A = i * 4 }) .ToArray() ) .WithMipAllocation(true) .WithPermittedBindings(GPUBindings.None) .WithUsage(ResourceUsage.StagingReadWrite) .WithWidth(WIDTH_TX); srcTex.ReadWrite(data => { for (uint i = DATA_WRITE_OFFSET; i < DATA_WRITE_OFFSET + DATA_WRITE_COUNT; ++i) { data[(int)i] = new TexelFormat.RGBA32UInt { R = i, G = i * 3, B = i * 6, A = i * 9 }; } }, TARGET_MIP_INDEX); var readData = srcTex.Read(TARGET_MIP_INDEX); for (uint i = DATA_WRITE_OFFSET; i < DATA_WRITE_OFFSET + DATA_WRITE_COUNT; ++i) { Assert.AreEqual(i, readData[(int)i].R); Assert.AreEqual(i * 3, readData[(int)i].G); Assert.AreEqual(i * 6, readData[(int)i].B); Assert.AreEqual(i * 9, readData[(int)i].A); } srcTex.Dispose(); }