public void CreateBackgroundGraphicsPipeline()
{
// To compile shaders in the background in Vulkan, we need to create valid pipelines using the shader modules.
// The GPU provides pipeline state via the GAL that can be converted into our internal Vulkan pipeline state.
// This should match the pipeline state at the time of the first draw. If it doesn't, then it'll likely be
// close enough that the GPU driver will reuse the compiled shader for the different state.
// First, we need to create a render pass object compatible with the one that will be used at runtime.
// The active attachment formats have been provided by the abstraction layer.
var renderPass = CreateDummyRenderPass();
PipelineState pipeline = _state.ToVulkanPipelineState(_gd);
// Copy the shader stage info to the pipeline.
var stages = pipeline.Stages.AsSpan();
for (int i = 0; i < _shaders.Length; i++)
{
stages[i] = _shaders[i].GetInfo();
}
pipeline.StagesCount = (uint)_shaders.Length;
pipeline.PipelineLayout = PipelineLayout;
pipeline.CreateGraphicsPipeline(_gd, _device, this, (_gd.Pipeline as PipelineBase).PipelineCache, renderPass.Value);
pipeline.Dispose();
}
public void CreateBackgroundComputePipeline()
{
PipelineState pipeline = new PipelineState();
pipeline.Initialize();
pipeline.Stages[0] = _shaders[0].GetInfo();
pipeline.StagesCount = 1;
pipeline.PipelineLayout = PipelineLayout;
pipeline.CreateComputePipeline(_gd, _device, this, (_gd.Pipeline as PipelineBase).PipelineCache);
pipeline.Dispose();
}