public void TestCreationWithInitialData()
{
// Define variables and constants
const uint TEXTURE_WIDTH = 1 << 6;
const uint TEXTURE_HEIGHT = 1 << 4;
const uint TEXTURE_DEPTH = 1 << 3;
Texture3DBuilder <TexelFormat.RGBA8UInt> texBuilder = TextureFactory.NewTexture3D <TexelFormat.RGBA8UInt>()
.WithUsage(ResourceUsage.StagingRead)
.WithPermittedBindings(GPUBindings.None)
.WithWidth(TEXTURE_WIDTH)
.WithHeight(TEXTURE_HEIGHT)
.WithDepth(TEXTURE_DEPTH);
TexelFormat.RGBA8UInt[] initialDataA = new TexelFormat.RGBA8UInt[TEXTURE_WIDTH * TEXTURE_HEIGHT * TEXTURE_DEPTH];
TexelFormat.RGBA8UInt[] initialDataB = new TexelFormat.RGBA8UInt[TextureUtils.GetSizeTexels(true, TEXTURE_WIDTH, TEXTURE_HEIGHT, TEXTURE_DEPTH)];
Texture3D <TexelFormat.RGBA8UInt> testTextureA, testTextureB;
TexelArray3D <TexelFormat.RGBA8UInt> texAData;
TexelArray3D <TexelFormat.RGBA8UInt>[] texBData = new TexelArray3D <TexelFormat.RGBA8UInt> [TextureUtils.GetNumMips(TEXTURE_WIDTH, TEXTURE_HEIGHT, TEXTURE_DEPTH)];
// 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 mipDepth = TEXTURE_DEPTH;
uint texelIndex = 0U;
while (mipWidth > 1U || mipHeight > 1U || mipDepth > 1U)
{
for (uint w = 0; w < mipDepth; ++w)
{
for (uint v = 0; v < mipHeight; ++v)
{
for (uint u = 0; u < mipWidth; ++u, ++texelIndex)
{
initialDataB[texelIndex].R = (byte)(u + mipWidth + v + mipHeight + w + mipDepth);
initialDataB[texelIndex].G = (byte)(u + mipWidth + v + mipHeight + w + mipDepth * 2);
initialDataB[texelIndex].B = (byte)(u + mipWidth + v + mipHeight + w + mipDepth * 3);
initialDataB[texelIndex].A = (byte)(u + mipWidth + v + mipHeight + w + mipDepth * 4);
}
}
}
mipWidth = Math.Max(1U, mipWidth >> 1);
mipHeight = Math.Max(1U, mipHeight >> 1);
mipDepth = Math.Max(1U, mipDepth >> 1);
}
initialDataB[initialDataB.Length - 1] = new TexelFormat.RGBA8UInt {
R = 3, G = 4, B = 5, A = 6
};
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 w = 0; w < testTextureB.MipDepth(mipIndex); ++w)
{
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) + w + testTextureB.MipDepth(mipIndex)), texBData[mipIndex][u, v, w].R);
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex) + w + testTextureB.MipDepth(mipIndex) * 2), texBData[mipIndex][u, v, w].G);
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex) + w + testTextureB.MipDepth(mipIndex) * 3), texBData[mipIndex][u, v, w].B);
Assert.AreEqual((byte)(u + testTextureB.MipWidth(mipIndex) + v + testTextureB.MipHeight(mipIndex) + w + testTextureB.MipDepth(mipIndex) * 4), texBData[mipIndex][u, v, w].A);
}
}
}
}
testTextureA.Dispose();
testTextureB.Dispose();
}
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();
}