void iSwapChain.end(bool replaceContent)
{
RenderTarget rt = end();
if (replaceContent)
{
rt.replace(context, rtv, dsv);
// ConsoleLogger.logDebug( "SwapChainBase.end replaced render target content" );
}
else
{
if (null != blender && blender.samplesCount != 0 && blender.samplesCount != sampleCount)
{
ComUtils.clear(ref blender);
}
if (null == blender)
{
using (var dev = context.renderContext.device)
blender = new Blender(context, dev, sampleCount);
}
rt.blend(context, rtv, dsv, blender);
}
rtv = dsv = null;
}
public void Dispose()
{
textureVariable?.Dispose();
binding?.Dispose();
pipelineState?.Dispose();
ComUtils.clear(ref vertexBuffer);
}
public void Dispose()
{
ComUtils.clear(ref m_staticCBuffer);
ComUtils.clear(ref m_staticCBufferForText);
ComUtils.clear(ref m_fewDrawCalls);
m_indexBuffer?.Dispose();
m_vertexBuffer?.Dispose();
}
public void initTextCBuffer()
{
DrawDevice dev = (DrawDevice)context.drawDevice;
Action actClear = () =>
{
GpuResources res = this;
ComUtils.clear(ref res.m_staticCBufferForText);
};
dev.fontTextures.subscriveResized(this, actClear);
}
public void grab(IRenderDevice device, IDeviceContext context, ITexture texture, ConsumeTextureDelegate consume)
{
TextureDesc desc = texture.GetDesc();
// Create staging texture if needed
if (null == stagingTexture || stagingDesc.Size != desc.Size || stagingDesc.Format != desc.Format)
{
ComUtils.clear(ref stagingTexture);
desc.Type = ResourceDimension.Tex2d;
desc.BindFlags = BindFlags.None;
desc.CPUAccessFlags = CpuAccessFlags.Read;
desc.Usage = Usage.Staging;
stagingTexture = device.CreateTexture(ref desc, "ScreenGrabber staging");
stagingDesc = desc;
}
// In D3D12, Diligent engine fails instead of waiting for GPU. Need to wait manually, need a fence for that.
if (RuntimeEnvironment.runningWindows && null == fence)
{
var fd = new FenceDesc(false);
fence = device.CreateFence(ref fd);
}
// Finish the rendering, if any
waitForGpu(context);
// Unset the targets
context.SetRenderTargets(0, null, null);
waitForGpu(context);
// Copy source texture to staging
context.copyTexture(stagingTexture, texture);
waitForGpu(context);
// Map the texture
Box box = new Box(false)
{
MaxX = desc.Size.cx,
MaxY = desc.Size.cy
};
MappedTextureSubresource mapped = context.MapTextureSubresource(stagingTexture, 0, 0, MapType.Read, MapFlags.DoNotWait, ref box);
try
{
consume(desc.Format, desc.Size, mapped);
}
finally
{
context.UnmapTextureSubresource(stagingTexture, 0, 0);
}
}
void createStaticCBuffer(CSize size, double dpiScaling)
{
var data = new StaticConstantsBuffer();
data.pixelSizeAndDpiScaling.X = 2.0f / size.cx;
data.pixelSizeAndDpiScaling.Y = 2.0f / size.cy;
data.pixelSizeAndDpiScaling.Z = (float)dpiScaling;
data.pixelSizeAndDpiScaling.W = (float)(1.0 / dpiScaling);
pixelSizeAndDpiScaling = data.pixelSizeAndDpiScaling;
BufferDesc desc = new BufferDesc(false)
{
uiSizeInBytes = 16,
BindFlags = BindFlags.UniformBuffer,
Usage = Usage.Static,
};
ComUtils.clear(ref m_staticCBuffer);
using (var device = context.renderContext.device)
m_staticCBuffer = device.CreateBuffer(desc, ref data, "StaticConstantsBuffer");
}
/// <summary>Destroy the resource binding object</summary>
/// <remarks>Called when buffers are recreated due to expansion.
/// Also called when user resizes window, or drags the window to a monitor with different DPI, invalidating the data in StaticConstantsBuffer.</remarks>
protected void dropResourceBindings()
{
ComUtils.clear(ref resourceBinding);
}
void iVideoRenderState.resize(IRenderDevice device, CSize newSize)
{
ComUtils.clear(ref vertexBuffer);
vertexBuffer = createVideoVertexBuffer(device, newSize, ref videoSize);
}
public void Dispose()
{
ComUtils.clear(ref m_textureView);
ComUtils.clear(ref texture);
}
public override void destroyTargets()
{
ComUtils.clear(ref renderTarget);
}
void onSwapChainResized(CSize newSize, double dpiScaling)
{
createStaticCBuffer(newSize, dpiScaling);
ComUtils.clear(ref m_staticCBufferForText);
}
