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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 <cstddef>
#include "imgui.h"
#include "ImGuiImplDiligent.hpp"
#include "ImGuiDiligentRenderer.hpp"
#include "RenderDevice.h"
#include "DeviceContext.h"
#include "RefCntAutoPtr.hpp"
#include "BasicMath.hpp"
#include "MapHelper.hpp"
namespace Diligent
{
ImGuiImplDiligent::ImGuiImplDiligent(IRenderDevice* pDevice,
TEXTURE_FORMAT BackBufferFmt,
TEXTURE_FORMAT DepthBufferFmt,
Uint32 InitialVertexBufferSize,
Uint32 InitialIndexBufferSize)
{
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
io.IniFilename = nullptr;
m_pRenderer.reset(new ImGuiDiligentRenderer(pDevice, BackBufferFmt, DepthBufferFmt, InitialVertexBufferSize, InitialIndexBufferSize));
}
ImGuiImplDiligent::~ImGuiImplDiligent()
{
ImGui::DestroyContext();
}
void ImGuiImplDiligent::NewFrame(Uint32 RenderSurfaceWidth, Uint32 RenderSurfaceHeight, SURFACE_TRANSFORM SurfacePreTransform)
{
m_pRenderer->NewFrame(RenderSurfaceWidth, RenderSurfaceHeight, SurfacePreTransform);
ImGui::NewFrame();
}
void ImGuiImplDiligent::EndFrame()
{
ImGui::EndFrame();
}
void ImGuiImplDiligent::Render(IDeviceContext* pCtx)
{
// No need to call ImGui::EndFrame as ImGui::Render calls it automatically
ImGui::Render();
m_pRenderer->RenderDrawData(pCtx, ImGui::GetDrawData());
}
// Use if you want to reset your rendering device without losing ImGui state.
void ImGuiImplDiligent::InvalidateDeviceObjects()
{
m_pRenderer->InvalidateDeviceObjects();
}
void ImGuiImplDiligent::CreateDeviceObjects()
{
m_pRenderer->CreateDeviceObjects();
}
void ImGuiImplDiligent::UpdateFontsTexture()
{
m_pRenderer->CreateFontsTexture();
}
} // namespace Diligent
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