private void Initialize(TextureParams textureParams)
{
compressed = Format.IsCompressed();
GLHelper.GetGLTextureFormat(Context, Format, out GLInternalFormat, out GLFormat, out GLPixelType);
GLTexture = GL.GenTexture();
GLHelper.CheckGLErrors();
GL.ActiveTexture(TextureUnit.Texture0);
GLHelper.CheckGLErrors();
GL.BindTexture(TextureTarget.Texture2D, GLTexture);
GLHelper.CheckGLErrors();
for (var level = 0; level < LevelCount; level++)
{
GraphicsUtility.CalculateMipLevelSize(level, Width, Height, out var levelWidth, out var levelHeight);
if (compressed)
{
var imageSize = GraphicsUtility.CalculateImageDataSize(Format, levelWidth, levelHeight);
GL.CompressedTexImage2D(TextureTarget.Texture2D, level, (PixelInternalFormat)GLInternalFormat,
levelWidth, levelHeight, 0, imageSize, IntPtr.Zero);
GLHelper.CheckGLErrors();
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, level, (PixelInternalFormat)GLInternalFormat,
levelWidth, levelHeight, 0, (PixelFormat)GLFormat, (PixelType)GLPixelType, IntPtr.Zero);
GLHelper.CheckGLErrors();
}
}
UpdateTextureParams(textureParams);
Context.InvalidateTextureBinding(0);
}
public void SetData(int level, int x, int y, int width, int height, IntPtr data)
{
GL.ActiveTexture(TextureUnit.Texture0);
GLHelper.CheckGLErrors();
GL.BindTexture(TextureTarget.Texture2D, GLTexture);
GLHelper.CheckGLErrors();
if (compressed)
{
var imageSize = GraphicsUtility.CalculateImageDataSize(Format, width, height);
GL.CompressedTexSubImage2D(TextureTarget.Texture2D, level, x, y, width, height,
(PixelFormat)GLInternalFormat, imageSize, data);
GLHelper.CheckGLErrors();
}
else
{
GL.TexSubImage2D(TextureTarget.Texture2D, level, x, y, width, height,
(PixelFormat)GLFormat, (PixelType)GLPixelType, data);
GLHelper.CheckGLErrors();
}
Context.InvalidateTextureBinding(0);
}
internal void GetData(Format dstFormat, int level, int x, int y, int width, int height, IntPtr data)
{
if (IsPvrtc1Format(Format))
{
throw new NotImplementedException();
}
var dataSize = GraphicsUtility.CalculateImageDataSize(Format, width, height);
context.EnsureReadbackBuffer((ulong)dataSize);
context.EndRenderPass();
context.EnsureCommandBuffer();
var preMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
NewLayout = SharpVulkan.ImageLayout.TransferSourceOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.ShaderRead,
DestinationAccessMask = SharpVulkan.AccessFlags.TransferRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.PipelineStageFlags.Transfer, SharpVulkan.DependencyFlags.None,
0, null, 0, null, 1, &preMemoryBarrier);
var copyRegion = new SharpVulkan.BufferImageCopy {
BufferOffset = 0,
BufferRowLength = (uint)width,
BufferImageHeight = (uint)height,
ImageOffset = new SharpVulkan.Offset3D(x, y, 0),
ImageExtent = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
ImageSubresource = new SharpVulkan.ImageSubresourceLayers(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level)
};
context.CommandBuffer.CopyImageToBuffer(
image, SharpVulkan.ImageLayout.TransferSourceOptimal, context.ReadbackBuffer, 1, ©Region);
var postMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.TransferSourceOptimal,
NewLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.TransferRead,
DestinationAccessMask = SharpVulkan.AccessFlags.ShaderRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.Transfer,
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &postMemoryBarrier);
context.Finish();
var readbackBufferMemory = context.ReadbackBufferMemory;
var readbackBufferMappedMemory = context.MemoryAllocator.Map(readbackBufferMemory);
try {
context.MemoryAllocator.InvalidateMappedMemoryRange(readbackBufferMemory, 0, (ulong)dataSize);
if (dstFormat == Format)
{
GraphicsUtility.CopyMemory(data, readbackBufferMappedMemory, Format.GetSize() * width * height);
}
else
{
var decoder = FormatConverter.GetDecoder(Format);
var encoder = FormatConverter.GetEncoder(dstFormat);
var srcTexelSize = Format.GetSize();
var dstTexelSize = dstFormat.GetSize();
var srcData = readbackBufferMappedMemory;
var dstData = data;
var texelCount = width * height;
while (texelCount-- > 0)
{
encoder(dstData, decoder(srcData));
srcData += srcTexelSize;
dstData += dstTexelSize;
}
}
} finally {
context.MemoryAllocator.Unmap(readbackBufferMemory);
}
}
public void SetData(int level, int x, int y, int width, int height, IntPtr data)
{
var dataSize = GraphicsUtility.CalculateImageDataSize(Format, width, height);
if (IsPvrtc1Format(Format))
{
if (x != 0 || y != 0 || width != Width || height != Height)
{
throw new NotSupportedException();
}
if (context.NextFenceValue <= WriteFenceValue)
{
context.Flush();
}
context.WaitForFence(WriteFenceValue);
var dstData = Context.MemoryAllocator.Map(memory);
try {
GraphicsUtility.CopyMemory(dstData, data, dataSize);
} finally {
Context.MemoryAllocator.Unmap(memory);
}
}
else
{
ulong bufferOffsetAlignment = 4;
bufferOffsetAlignment = GraphicsUtility.CombineAlignment(bufferOffsetAlignment, (ulong)Format.GetSize());
bufferOffsetAlignment = GraphicsUtility.CombineAlignment(bufferOffsetAlignment, context.PhysicalDeviceLimits.OptimalBufferCopyOffsetAlignment);
var uploadBufferAlloc = context.AllocateUploadBuffer((ulong)dataSize, bufferOffsetAlignment);
GraphicsUtility.CopyMemory(uploadBufferAlloc.Data, data, dataSize);
context.EndRenderPass();
context.EnsureCommandBuffer();
var preMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
NewLayout = SharpVulkan.ImageLayout.TransferDestinationOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.ShaderRead,
DestinationAccessMask = SharpVulkan.AccessFlags.TransferWrite,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.PipelineStageFlags.Transfer, SharpVulkan.DependencyFlags.None,
0, null, 0, null, 1, &preMemoryBarrier);
var copyRegion = new SharpVulkan.BufferImageCopy {
BufferOffset = uploadBufferAlloc.BufferOffset,
BufferRowLength = (uint)width,
BufferImageHeight = (uint)height,
ImageOffset = new SharpVulkan.Offset3D(x, y, 0),
ImageExtent = new SharpVulkan.Extent3D((uint)width, (uint)height, 1),
ImageSubresource = new SharpVulkan.ImageSubresourceLayers(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level)
};
context.CommandBuffer.CopyBufferToImage(
uploadBufferAlloc.Buffer, image, SharpVulkan.ImageLayout.TransferDestinationOptimal, 1, ©Region);
var postMemoryBarrier = new SharpVulkan.ImageMemoryBarrier {
StructureType = SharpVulkan.StructureType.ImageMemoryBarrier,
Image = image,
OldLayout = SharpVulkan.ImageLayout.TransferDestinationOptimal,
NewLayout = SharpVulkan.ImageLayout.ShaderReadOnlyOptimal,
SourceAccessMask = SharpVulkan.AccessFlags.TransferWrite,
DestinationAccessMask = SharpVulkan.AccessFlags.ShaderRead,
SubresourceRange = new SharpVulkan.ImageSubresourceRange(SharpVulkan.ImageAspectFlags.Color, 0, 1, (uint)level, 1)
};
context.CommandBuffer.PipelineBarrier(
SharpVulkan.PipelineStageFlags.Transfer,
SharpVulkan.PipelineStageFlags.VertexShader | SharpVulkan.PipelineStageFlags.FragmentShader,
SharpVulkan.DependencyFlags.None, 0, null, 0, null, 1, &postMemoryBarrier);
}
}
