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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "pch.h"
#include "RenderPassCache.hpp"
#include <sstream>
#include "RenderDeviceVkImpl.hpp"
#include "PipelineStateVkImpl.hpp"
#include "RenderPassVkImpl.hpp"
namespace Diligent
{
RenderPassCache::RenderPassCache(RenderDeviceVkImpl& DeviceVk) noexcept :
m_DeviceVkImpl{DeviceVk}
{}
RenderPassCache::~RenderPassCache()
{
// Render pass cache is part of the render device, so we can't release
// render pass objects from here as their destructors will attmept to
// call SafeReleaseDeviceObject.
VERIFY(m_Cache.empty(), "Render pass cache is not empty. Did you call Destroy?");
}
void RenderPassCache::Destroy()
{
auto& FBCache = m_DeviceVkImpl.GetFramebufferCache();
for (auto it = m_Cache.begin(); it != m_Cache.end(); ++it)
{
FBCache.OnDestroyRenderPass(it->second->GetVkRenderPass());
}
m_Cache.clear();
}
RenderPassVkImpl* RenderPassCache::GetRenderPass(const RenderPassCacheKey& Key)
{
std::lock_guard<std::mutex> Lock{m_Mutex};
auto it = m_Cache.find(Key);
if (it == m_Cache.end())
{
// Do not zero-intitialize arrays
std::array<RenderPassAttachmentDesc, MAX_RENDER_TARGETS + 1> Attachments;
std::array<AttachmentReference, MAX_RENDER_TARGETS + 1> AttachmentReferences;
SubpassDesc Subpass;
auto RPDesc =
PipelineStateVkImpl::GetImplicitRenderPassDesc(Key.NumRenderTargets, Key.RTVFormats, Key.DSVFormat,
Key.SampleCount, Attachments, AttachmentReferences, Subpass);
std::stringstream PassNameSS;
PassNameSS << "Implicit render pass: RT count: " << Uint32{Key.NumRenderTargets} << "; sample count: " << Uint32{Key.SampleCount}
<< "; DSV Format: " << GetTextureFormatAttribs(Key.DSVFormat).Name;
if (Key.NumRenderTargets > 0)
{
PassNameSS << (Key.NumRenderTargets > 1 ? "; RTV Formats: " : "; RTV Format: ");
for (Uint32 rt = 0; rt < Key.NumRenderTargets; ++rt)
{
PassNameSS << (rt > 0 ? ", " : "") << GetTextureFormatAttribs(Key.RTVFormats[rt]).Name;
}
}
RefCntAutoPtr<RenderPassVkImpl> pRenderPass;
m_DeviceVkImpl.CreateRenderPass(RPDesc, pRenderPass.RawDblPtr<IRenderPass>(), /* IsDeviceInternal = */ true);
VERIFY_EXPR(pRenderPass != nullptr);
it = m_Cache.emplace(Key, std::move(pRenderPass)).first;
}
return it->second;
}
} // namespace Diligent
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