/// <summary>
/// Init Virtual Texture
/// </summary>
/// <param name="perTextureSize">Virtual texture's basic size</param>
/// <param name="maximumSize">Virtual texture's array size</param>
/// <param name="indexSize">Index Texture's size</param>
/// <param name="formats">Each VT's format</param>
public VirtualTexture(int maximumSize, int indexSize, NativeArray <VirtualTextureFormat> formats)
{
allFormats = new NativeArray <VirtualTextureFormat>(formats.Length, Allocator.Persistent);
UnsafeUtility.MemCpy(allFormats.GetUnsafePtr(), formats.GetUnsafePtr(), sizeof(VirtualTextureFormat) * formats.Length);
shader = Resources.Load <ComputeShader>("VirtualTexture");
commandListBuffer = new ComputeBuffer(64, sizeof(SetIndexCommand));
indexBuffers = new Native2DArray <float4>(indexSize, Allocator.Persistent);
pool = new TexturePool(maximumSize);
indexTex = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = RenderTextureFormat.ARGBHalf,
depthBufferBits = 0,
dimension = TextureDimension.Tex2D,
enableRandomWrite = true,
width = indexSize,
height = indexSize,
volumeDepth = 1,
msaaSamples = 1
});
indexTex.filterMode = FilterMode.Point;
indexTex.Create();
textures = new RenderTexture[formats.Length];
for (int i = 0; i < formats.Length; ++i)
{
VirtualTextureFormat format = formats[i];
textures[i] = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = format.format,
depthBufferBits = 0,
dimension = TextureDimension.Tex2DArray,
enableRandomWrite = true,
width = (int)format.perElementSize,
height = (int)format.perElementSize,
volumeDepth = maximumSize,
msaaSamples = 1
});
textures[i].Create();
}
loadNewTexFrameCount = -1;
indexBuffers.SetAll(float4(0, 0, 0, -1));
}
public void Init(int2 perTextureSize, int maximumSize, int2 indexSize, NativeArray <RenderTextureFormat> formats)
{
commandListBuffer = new ComputeBuffer(64, sizeof(SetIndexCommand));
indexBuffers = new Native2DArray <float4>(indexSize, Allocator.Persistent);
pool = new TexturePool(maximumSize);
indexTex = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = RenderTextureFormat.ARGBHalf,
depthBufferBits = 0,
dimension = TextureDimension.Tex2D,
enableRandomWrite = true,
width = indexSize.x,
height = indexSize.y,
volumeDepth = 1,
msaaSamples = 1
});
indexTex.Create();
textures = new RenderTexture[formats.Length];
for (int i = 0; i < formats.Length; ++i)
{
textures[i] = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = formats[i],
depthBufferBits = 0,
dimension = TextureDimension.Tex2DArray,
enableRandomWrite = true,
width = perTextureSize.x,
height = perTextureSize.y,
volumeDepth = maximumSize,
msaaSamples = 1
});
textures[i].Create();
}
loadNewTexFrameCount = -1;
indexBuffers.SetAll(float4(0, 0, 0, -1));
}
