private void RecreateAnimations()
{
unsafe
{
var nonEmpty = InstanceLists.Where(e => e.Value.Count > 0);
var ptr = (byte *)AnimationUniform.Map(0, nonEmpty.Count() * Animation.MaxInstructions);
foreach (var keyList in nonEmpty)
{
if (!keyList.Value.Updated)
{
ptr += Animation.SizeStd140;
continue;
}
var(texture, animation) = ((Texture2D, Animation))keyList.Key;
if (animation is null)
{
Animation.WriteNullToBuffer(ptr, out ptr);
}
else
{
animation.WriteToBuffer(ptr, out ptr);
}
}
AnimationUniform.Unmap();
}
}
private void RecreateInstanceBuffers()
{
// Create sets
var listInd = 0;
foreach (var keyList in InstanceLists.Where(e => e.Value.Count > 0))
{
var list = keyList.Value;
VKBuffer <SpriteInstanceInfo> computeBuffer;
if (!ComputeInstanceBuffers.TryGetValue(list, out computeBuffer))
{
computeBuffer = VKBuffer <SpriteInstanceInfo> .StorageBuffer(
$"{nameof(SpriteEffect)} compute instance buffer for list {list}",
Graphics,
MaxSprites
);
ComputeInstanceBuffers.Add(list, computeBuffer);
}
VKBuffer <VertexInstance> vertexBuffer;
if (!VertexInstanceBuffers.TryGetValue(list, out vertexBuffer))
{
vertexBuffer = VKBuffer <VertexInstance> .StorageBuffer(
$"{nameof(SpriteEffect)} vertex instance buffer for list {list}",
Graphics,
MaxSprites
);
VertexInstanceBuffers.Add(list, vertexBuffer);
}
using (var stagingBuffer = VKBuffer <SpriteInstanceInfo> .StagingBuffer(
$"{nameof(SpriteEffect)}.{nameof(RecreateInstanceBuffers)} staging buffer",
Graphics,
list.Count
))
{
unsafe
{
var ptr = stagingBuffer.Map(0, list.Count);
if (list.Updated)
{
var i = 0;
foreach (SpriteInstance inst in list.AllInstances)
{
if (i > MaxSprites)
{
throw new InvalidOperationException("Too many similar sprites; raise the sprite limit on the effect");
}
*ptr = new SpriteInstanceInfo
{
Time = 0f,
Position = inst.StoredPosition,
Velocity = inst.StoredVelocity,
Scale = inst.StoredScale,
Rotation = inst.StoredRotation,
ListIndex = listInd,
Rectangle = inst.Rectangle,
AnimationTime = inst.AnimationTime
};
ptr++;
i++;
}
}
else
{
foreach (SpriteInstance inst in list.AllInstances)
{
(*ptr).ListIndex = listInd;
ptr++;
}
}
stagingBuffer.Unmap();
}
using (var stagingFence = Graphics.Device.CreateFence(new FenceCreateInfo()))
{
using (var stagingCommands = Graphics.TransferQueueFamily.CreateCommandBuffers(CommandBufferLevel.Primary, 1)[0])
{
stagingCommands.Begin();
stagingCommands.CmdPipelineBarrier(
PipelineStages.TopOfPipe, PipelineStages.Transfer,
bufferMemoryBarriers: new BufferMemoryBarrier[]
{
new BufferMemoryBarrier(
computeBuffer.Buffer,
Accesses.None, Accesses.TransferWrite,
0L, stagingBuffer.Size
)
}
);
stagingCommands.CmdCopyBuffer(
stagingBuffer.Buffer,
computeBuffer.Buffer,
new BufferCopy[] { new BufferCopy(stagingBuffer.Size) }
);
stagingCommands.CmdPipelineBarrier(
PipelineStages.Transfer, PipelineStages.ComputeShader,
bufferMemoryBarriers: new BufferMemoryBarrier[]
{
new BufferMemoryBarrier(
computeBuffer.Buffer,
Accesses.TransferWrite, Accesses.ShaderRead,
0L, stagingBuffer.Size
)
}
);
stagingCommands.CmdPipelineBarrier(
PipelineStages.Transfer, PipelineStages.VertexInput,
bufferMemoryBarriers: new BufferMemoryBarrier[]
{
new BufferMemoryBarrier(
vertexBuffer.Buffer,
Accesses.TransferWrite, Accesses.VertexAttributeRead
)
}
);
stagingCommands.End();
Graphics.TransferQueueFamily.HighestPriority.Submit(
new SubmitInfo(
commandBuffers: new CommandBuffer[] { stagingCommands }
),
stagingFence
);
stagingFence.Wait();
}
}
}
listInd++;
}
}