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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.
*/
#pragma once
#include <memory>
#include "../../../DiligentCore/Primitives/interface/BasicTypes.h"
namespace Diligent
{
struct IRenderDevice;
struct IDeviceContext;
enum TEXTURE_FORMAT : Uint16;
enum SURFACE_TRANSFORM : Uint32;
class ImGuiDiligentRenderer;
class ImGuiImplDiligent
{
public:
static constexpr Uint32 DefaultInitialVBSize = 1024;
static constexpr Uint32 DefaultInitialIBSize = 2048;
ImGuiImplDiligent(IRenderDevice* pDevice,
TEXTURE_FORMAT BackBufferFmt,
TEXTURE_FORMAT DepthBufferFmt,
Uint32 InitialVertexBufferSize = DefaultInitialVBSize,
Uint32 InitialIndexBufferSize = DefaultInitialIBSize);
virtual ~ImGuiImplDiligent();
// clang-format off
ImGuiImplDiligent (const ImGuiImplDiligent&) = delete;
ImGuiImplDiligent ( ImGuiImplDiligent&&) = delete;
ImGuiImplDiligent& operator = (const ImGuiImplDiligent&) = delete;
ImGuiImplDiligent& operator = ( ImGuiImplDiligent&&) = delete;
// clang-format on
/// Begins new frame
/// \param [in] RenderSurfaceWidth - Render surface width not accounting for pre-transform.
/// Most of the time this is the actual swap chain width.
/// \param [in] RenderSurfaceHeight - Render surface height not accounting for pre-transform.
/// Most of the time this is the actual swap chain height.
/// \param [in] SurfacePreTransform - Render surface pre-transform.
/// Most of the time this is the swap chain pre-transform.
virtual void NewFrame(Uint32 RenderSurfaceWidth,
Uint32 RenderSurfaceHeight,
SURFACE_TRANSFORM SurfacePreTransform);
virtual void EndFrame();
virtual void Render(IDeviceContext* pCtx);
// Use if you want to reset your rendering device without losing ImGui state.
void InvalidateDeviceObjects();
void CreateDeviceObjects();
void UpdateFontsTexture();
private:
std::unique_ptr<ImGuiDiligentRenderer> m_pRenderer;
};
} // namespace Diligent
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