public void ResizeBufferIfNeed(GPUDRPCamera camera)
{
if (frameBuffer &&
lastHeight == camera.AcutalHeight && lastWidth == camera.AcutalWidth)
{
return;
}
lastHeight = camera.AcutalHeight;
lastWidth = camera.AcutalWidth;
//framebuffer
CoreUtil.Destroy(frameBuffer);
frameBuffer = new RenderTexture(lastWidth, lastHeight, 0, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.sRGB);
frameBuffer.name = camera.name + "_FarmeBuffer";
frameBuffer.Create();
//depthBuffer
CoreUtil.Destroy(depthBuffer);
depthBuffer = new RenderTexture(lastWidth, lastHeight, 16, RenderTextureFormat.Depth, RenderTextureReadWrite.Linear);
depthBuffer.name = camera.name + "_DepthBuffer";
depthBuffer.useMipMap = false;
depthBuffer.autoGenerateMips = false;
depthBuffer.enableRandomWrite = false;
depthBuffer.wrapMode = TextureWrapMode.Clamp;
depthBuffer.filterMode = FilterMode.Point;
depthBuffer.Create();
}
protected override void Render(ScriptableRenderContext context, Camera[] cameras)
{
if (!bFirstCall)
{
if (Application.isPlaying)
{
MCRResourcesSystem.Init();
GlobalMaterial.Init();
GPUCull.GPUCullSystem.Init();
}
bFirstCall = true;
}
foreach (Camera cam in cameras)
{
GPUDRPCamera gpudrpCamera = null;
if (!allGPUDRPCamera.TryGetValue(cam, out gpudrpCamera))
{
gpudrpCamera = cam.GetComponent <GPUDRPCamera>();
if (!gpudrpCamera)
{
gpudrpCamera = cam.gameObject.AddComponent <GPUDRPCamera>();
allGPUDRPCamera.Add(cam, gpudrpCamera);
}
}
//设置pipelinecontext
PipelineContext.mainCmdBuffer = CommandBufferPool.Get("MainCommandBuffer");
PipelineContext.renderContext = context;
PipelineContext.gpuCamera = gpudrpCamera;
if (PipelineContext.gpuCamera.BeginRender())
{
PipelineContext.gpuCamera.Render();
}
context.Submit();
PipelineContext.gpuCamera.EndRender();
ComputeBufferPool.EndOfRender();
CommandBufferPool.Release(PipelineContext.mainCmdBuffer);
}
}