Merge commit 'ae51a422787bc3b720ff1748c0219c8f33363427'
This commit is contained in:
123
deps/imgui/backends/imgui_impl_dx9.cpp
vendored
123
deps/imgui/backends/imgui_impl_dx9.cpp
vendored
@ -3,17 +3,22 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
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// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
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// Read online: https://github.com/ocornut/imgui/tree/master/docs
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// Learn about Dear ImGui:
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// - FAQ https://dearimgui.com/faq
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// - Getting Started https://dearimgui.com/getting-started
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// - Documentation https://dearimgui.com/docs (same as your local docs/ folder).
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// - Introduction, links and more at the top of imgui.cpp
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2022-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
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// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
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// 2024-02-12: DirectX9: Using RGBA format when supported by the driver to avoid CPU side conversion. (#6575)
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// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
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// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
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// 2021-06-25: DirectX9: Explicitly disable texture state stages after >= 1.
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// 2021-05-19: DirectX9: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
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@ -33,6 +38,7 @@
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// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves.
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#include "imgui.h"
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#ifndef IMGUI_DISABLE
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#include "imgui_impl_dx9.h"
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// DirectX
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@ -48,7 +54,7 @@ struct ImGui_ImplDX9_Data
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int VertexBufferSize;
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int IndexBufferSize;
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ImGui_ImplDX9_Data() { memset(this, 0, sizeof(*this)); VertexBufferSize = 5000; IndexBufferSize = 10000; }
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ImGui_ImplDX9_Data() { memset((void*)this, 0, sizeof(*this)); VertexBufferSize = 5000; IndexBufferSize = 10000; }
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};
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struct CUSTOMVERTEX
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@ -69,7 +75,7 @@ struct CUSTOMVERTEX
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// It is STRONGLY preferred that you use docking branch with multi-viewports (== single Dear ImGui context + multiple windows) instead of multiple Dear ImGui contexts.
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static ImGui_ImplDX9_Data* ImGui_ImplDX9_GetBackendData()
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{
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return ImGui::GetCurrentContext() ? (ImGui_ImplDX9_Data*)ImGui::GetIO().BackendRendererUserData : NULL;
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return ImGui::GetCurrentContext() ? (ImGui_ImplDX9_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
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}
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// Forward Declarations
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@ -92,9 +98,9 @@ static void ImGui_ImplDX9_SetupRenderState(ImDrawData* draw_data)
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vp.MaxZ = 1.0f;
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bd->pd3dDevice->SetViewport(&vp);
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// Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing, shade mode (for gradient)
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bd->pd3dDevice->SetPixelShader(NULL);
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bd->pd3dDevice->SetVertexShader(NULL);
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// Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing, shade mode (for gradient), bilinear sampling.
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bd->pd3dDevice->SetPixelShader(nullptr);
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bd->pd3dDevice->SetVertexShader(nullptr);
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bd->pd3dDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
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bd->pd3dDevice->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_GOURAUD);
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bd->pd3dDevice->SetRenderState(D3DRS_ZWRITEENABLE, FALSE);
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@ -159,21 +165,21 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
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ImGui_ImplDX9_Data* bd = ImGui_ImplDX9_GetBackendData();
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if (!bd->pVB || bd->VertexBufferSize < draw_data->TotalVtxCount)
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{
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if (bd->pVB) { bd->pVB->Release(); bd->pVB = NULL; }
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if (bd->pVB) { bd->pVB->Release(); bd->pVB = nullptr; }
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bd->VertexBufferSize = draw_data->TotalVtxCount + 5000;
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if (bd->pd3dDevice->CreateVertexBuffer(bd->VertexBufferSize * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &bd->pVB, NULL) < 0)
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if (bd->pd3dDevice->CreateVertexBuffer(bd->VertexBufferSize * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &bd->pVB, nullptr) < 0)
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return;
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}
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if (!bd->pIB || bd->IndexBufferSize < draw_data->TotalIdxCount)
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{
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if (bd->pIB) { bd->pIB->Release(); bd->pIB = NULL; }
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if (bd->pIB) { bd->pIB->Release(); bd->pIB = nullptr; }
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bd->IndexBufferSize = draw_data->TotalIdxCount + 10000;
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if (bd->pd3dDevice->CreateIndexBuffer(bd->IndexBufferSize * sizeof(ImDrawIdx), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, sizeof(ImDrawIdx) == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32, D3DPOOL_DEFAULT, &bd->pIB, NULL) < 0)
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if (bd->pd3dDevice->CreateIndexBuffer(bd->IndexBufferSize * sizeof(ImDrawIdx), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, sizeof(ImDrawIdx) == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32, D3DPOOL_DEFAULT, &bd->pIB, nullptr) < 0)
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return;
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}
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// Backup the DX9 state
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IDirect3DStateBlock9* d3d9_state_block = NULL;
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IDirect3DStateBlock9* d3d9_state_block = nullptr;
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if (bd->pd3dDevice->CreateStateBlock(D3DSBT_ALL, &d3d9_state_block) < 0)
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return;
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if (d3d9_state_block->Capture() < 0)
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@ -245,7 +251,7 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
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for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
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{
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const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
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if (pcmd->UserCallback != NULL)
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if (pcmd->UserCallback != nullptr)
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{
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// User callback, registered via ImDrawList::AddCallback()
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// (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.)
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@ -292,7 +298,8 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
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bool ImGui_ImplDX9_Init(IDirect3DDevice9* device)
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{
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ImGuiIO& io = ImGui::GetIO();
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IM_ASSERT(io.BackendRendererUserData == NULL && "Already initialized a renderer backend!");
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IMGUI_CHECKVERSION();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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// Setup backend capabilities flags
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ImGui_ImplDX9_Data* bd = IM_NEW(ImGui_ImplDX9_Data)();
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@ -313,17 +320,36 @@ bool ImGui_ImplDX9_Init(IDirect3DDevice9* device)
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void ImGui_ImplDX9_Shutdown()
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{
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ImGui_ImplDX9_Data* bd = ImGui_ImplDX9_GetBackendData();
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IM_ASSERT(bd != NULL && "No renderer backend to shutdown, or already shutdown?");
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IM_ASSERT(bd != nullptr && "No renderer backend to shutdown, or already shutdown?");
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ImGuiIO& io = ImGui::GetIO();
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ImGui_ImplDX9_ShutdownPlatformInterface();
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ImGui_ImplDX9_InvalidateDeviceObjects();
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if (bd->pd3dDevice) { bd->pd3dDevice->Release(); }
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io.BackendRendererName = NULL;
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io.BackendRendererUserData = NULL;
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io.BackendRendererName = nullptr;
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io.BackendRendererUserData = nullptr;
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io.BackendFlags &= ~(ImGuiBackendFlags_RendererHasVtxOffset | ImGuiBackendFlags_RendererHasViewports);
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IM_DELETE(bd);
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}
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static bool ImGui_ImplDX9_CheckFormatSupport(IDirect3DDevice9* pDevice, D3DFORMAT format)
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{
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IDirect3D9* pd3d = nullptr;
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if (pDevice->GetDirect3D(&pd3d) != D3D_OK)
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return false;
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D3DDEVICE_CREATION_PARAMETERS param = {};
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D3DDISPLAYMODE mode = {};
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if (pDevice->GetCreationParameters(¶m) != D3D_OK || pDevice->GetDisplayMode(0, &mode) != D3D_OK)
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{
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pd3d->Release();
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return false;
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}
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// Font texture should support linear filter, color blend and write to render-target
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bool support = (pd3d->CheckDeviceFormat(param.AdapterOrdinal, param.DeviceType, mode.Format, D3DUSAGE_DYNAMIC | D3DUSAGE_QUERY_FILTER | D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING, D3DRTYPE_TEXTURE, format)) == D3D_OK;
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pd3d->Release();
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return support;
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}
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static bool ImGui_ImplDX9_CreateFontsTexture()
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{
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// Build texture atlas
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@ -335,21 +361,24 @@ static bool ImGui_ImplDX9_CreateFontsTexture()
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// Convert RGBA32 to BGRA32 (because RGBA32 is not well supported by DX9 devices)
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#ifndef IMGUI_USE_BGRA_PACKED_COLOR
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if (io.Fonts->TexPixelsUseColors)
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const bool rgba_support = ImGui_ImplDX9_CheckFormatSupport(bd->pd3dDevice, D3DFMT_A8B8G8R8);
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if (!rgba_support && io.Fonts->TexPixelsUseColors)
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{
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ImU32* dst_start = (ImU32*)ImGui::MemAlloc((size_t)width * height * bytes_per_pixel);
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for (ImU32* src = (ImU32*)pixels, *dst = dst_start, *dst_end = dst_start + (size_t)width * height; dst < dst_end; src++, dst++)
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*dst = IMGUI_COL_TO_DX9_ARGB(*src);
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pixels = (unsigned char*)dst_start;
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}
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#else
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const bool rgba_support = false;
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#endif
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// Upload texture to graphics system
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bd->FontTexture = NULL;
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if (bd->pd3dDevice->CreateTexture(width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &bd->FontTexture, NULL) < 0)
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bd->FontTexture = nullptr;
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if (bd->pd3dDevice->CreateTexture(width, height, 1, D3DUSAGE_DYNAMIC, rgba_support ? D3DFMT_A8B8G8R8 : D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &bd->FontTexture, nullptr) < 0)
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return false;
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D3DLOCKED_RECT tex_locked_rect;
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if (bd->FontTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK)
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if (bd->FontTexture->LockRect(0, &tex_locked_rect, nullptr, 0) != D3D_OK)
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return false;
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for (int y = 0; y < height; y++)
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memcpy((unsigned char*)tex_locked_rect.pBits + (size_t)tex_locked_rect.Pitch * y, pixels + (size_t)width * bytes_per_pixel * y, (size_t)width * bytes_per_pixel);
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@ -359,7 +388,7 @@ static bool ImGui_ImplDX9_CreateFontsTexture()
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io.Fonts->SetTexID((ImTextureID)bd->FontTexture);
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#ifndef IMGUI_USE_BGRA_PACKED_COLOR
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if (io.Fonts->TexPixelsUseColors)
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if (!rgba_support && io.Fonts->TexPixelsUseColors)
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ImGui::MemFree(pixels);
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#endif
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@ -382,16 +411,16 @@ void ImGui_ImplDX9_InvalidateDeviceObjects()
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ImGui_ImplDX9_Data* bd = ImGui_ImplDX9_GetBackendData();
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if (!bd || !bd->pd3dDevice)
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return;
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if (bd->pVB) { bd->pVB->Release(); bd->pVB = NULL; }
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if (bd->pIB) { bd->pIB->Release(); bd->pIB = NULL; }
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if (bd->FontTexture) { bd->FontTexture->Release(); bd->FontTexture = NULL; ImGui::GetIO().Fonts->SetTexID(NULL); } // We copied bd->pFontTextureView to io.Fonts->TexID so let's clear that as well.
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if (bd->pVB) { bd->pVB->Release(); bd->pVB = nullptr; }
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if (bd->pIB) { bd->pIB->Release(); bd->pIB = nullptr; }
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if (bd->FontTexture) { bd->FontTexture->Release(); bd->FontTexture = nullptr; ImGui::GetIO().Fonts->SetTexID(0); } // We copied bd->pFontTextureView to io.Fonts->TexID so let's clear that as well.
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ImGui_ImplDX9_InvalidateDeviceObjectsForPlatformWindows();
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}
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void ImGui_ImplDX9_NewFrame()
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{
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ImGui_ImplDX9_Data* bd = ImGui_ImplDX9_GetBackendData();
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IM_ASSERT(bd != NULL && "Did you call ImGui_ImplDX9_Init()?");
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IM_ASSERT(bd != nullptr && "Context or backend not initialized! Did you call ImGui_ImplDX9_Init()?");
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if (!bd->FontTexture)
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ImGui_ImplDX9_CreateDeviceObjects();
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@ -403,14 +432,14 @@ void ImGui_ImplDX9_NewFrame()
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// If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
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//--------------------------------------------------------------------------------------------------------
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// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
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// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
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struct ImGui_ImplDX9_ViewportData
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{
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IDirect3DSwapChain9* SwapChain;
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D3DPRESENT_PARAMETERS d3dpp;
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ImGui_ImplDX9_ViewportData() { SwapChain = NULL; ZeroMemory(&d3dpp, sizeof(D3DPRESENT_PARAMETERS)); }
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~ImGui_ImplDX9_ViewportData() { IM_ASSERT(SwapChain == NULL); }
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ImGui_ImplDX9_ViewportData() { SwapChain = nullptr; ZeroMemory(&d3dpp, sizeof(D3DPRESENT_PARAMETERS)); }
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~ImGui_ImplDX9_ViewportData() { IM_ASSERT(SwapChain == nullptr); }
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};
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static void ImGui_ImplDX9_CreateWindow(ImGuiViewport* viewport)
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@ -420,7 +449,7 @@ static void ImGui_ImplDX9_CreateWindow(ImGuiViewport* viewport)
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viewport->RendererUserData = vd;
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// PlatformHandleRaw should always be a HWND, whereas PlatformHandle might be a higher-level handle (e.g. GLFWWindow*, SDL_Window*).
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// Some backends will leave PlatformHandleRaw NULL, in which case we assume PlatformHandle will contain the HWND.
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// Some backends will leave PlatformHandleRaw == 0, in which case we assume PlatformHandle will contain the HWND.
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HWND hwnd = viewport->PlatformHandleRaw ? (HWND)viewport->PlatformHandleRaw : (HWND)viewport->PlatformHandle;
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IM_ASSERT(hwnd != 0);
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@ -437,21 +466,21 @@ static void ImGui_ImplDX9_CreateWindow(ImGuiViewport* viewport)
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HRESULT hr = bd->pd3dDevice->CreateAdditionalSwapChain(&vd->d3dpp, &vd->SwapChain); IM_UNUSED(hr);
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IM_ASSERT(hr == D3D_OK);
|
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IM_ASSERT(vd->SwapChain != NULL);
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IM_ASSERT(vd->SwapChain != nullptr);
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}
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static void ImGui_ImplDX9_DestroyWindow(ImGuiViewport* viewport)
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{
|
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// The main viewport (owned by the application) will always have RendererUserData == NULL since we didn't create the data for it.
|
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// The main viewport (owned by the application) will always have RendererUserData == 0 since we didn't create the data for it.
|
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if (ImGui_ImplDX9_ViewportData* vd = (ImGui_ImplDX9_ViewportData*)viewport->RendererUserData)
|
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{
|
||||
if (vd->SwapChain)
|
||||
vd->SwapChain->Release();
|
||||
vd->SwapChain = NULL;
|
||||
vd->SwapChain = nullptr;
|
||||
ZeroMemory(&vd->d3dpp, sizeof(D3DPRESENT_PARAMETERS));
|
||||
IM_DELETE(vd);
|
||||
}
|
||||
viewport->RendererUserData = NULL;
|
||||
viewport->RendererUserData = nullptr;
|
||||
}
|
||||
|
||||
static void ImGui_ImplDX9_SetWindowSize(ImGuiViewport* viewport, ImVec2 size)
|
||||
@ -461,7 +490,7 @@ static void ImGui_ImplDX9_SetWindowSize(ImGuiViewport* viewport, ImVec2 size)
|
||||
if (vd->SwapChain)
|
||||
{
|
||||
vd->SwapChain->Release();
|
||||
vd->SwapChain = NULL;
|
||||
vd->SwapChain = nullptr;
|
||||
vd->d3dpp.BackBufferWidth = (UINT)size.x;
|
||||
vd->d3dpp.BackBufferHeight = (UINT)size.y;
|
||||
HRESULT hr = bd->pd3dDevice->CreateAdditionalSwapChain(&vd->d3dpp, &vd->SwapChain); IM_UNUSED(hr);
|
||||
@ -475,19 +504,19 @@ static void ImGui_ImplDX9_RenderWindow(ImGuiViewport* viewport, void*)
|
||||
ImGui_ImplDX9_ViewportData* vd = (ImGui_ImplDX9_ViewportData*)viewport->RendererUserData;
|
||||
ImVec4 clear_color = ImVec4(0.0f, 0.0f, 0.0f, 1.0f);
|
||||
|
||||
LPDIRECT3DSURFACE9 render_target = NULL;
|
||||
LPDIRECT3DSURFACE9 last_render_target = NULL;
|
||||
LPDIRECT3DSURFACE9 last_depth_stencil = NULL;
|
||||
LPDIRECT3DSURFACE9 render_target = nullptr;
|
||||
LPDIRECT3DSURFACE9 last_render_target = nullptr;
|
||||
LPDIRECT3DSURFACE9 last_depth_stencil = nullptr;
|
||||
vd->SwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &render_target);
|
||||
bd->pd3dDevice->GetRenderTarget(0, &last_render_target);
|
||||
bd->pd3dDevice->GetDepthStencilSurface(&last_depth_stencil);
|
||||
bd->pd3dDevice->SetRenderTarget(0, render_target);
|
||||
bd->pd3dDevice->SetDepthStencilSurface(NULL);
|
||||
bd->pd3dDevice->SetDepthStencilSurface(nullptr);
|
||||
|
||||
if (!(viewport->Flags & ImGuiViewportFlags_NoRendererClear))
|
||||
{
|
||||
D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_color.x*255.0f), (int)(clear_color.y*255.0f), (int)(clear_color.z*255.0f), (int)(clear_color.w*255.0f));
|
||||
bd->pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET, clear_col_dx, 1.0f, 0);
|
||||
bd->pd3dDevice->Clear(0, nullptr, D3DCLEAR_TARGET, clear_col_dx, 1.0f, 0);
|
||||
}
|
||||
|
||||
ImGui_ImplDX9_RenderDrawData(viewport->DrawData);
|
||||
@ -503,9 +532,9 @@ static void ImGui_ImplDX9_RenderWindow(ImGuiViewport* viewport, void*)
|
||||
static void ImGui_ImplDX9_SwapBuffers(ImGuiViewport* viewport, void*)
|
||||
{
|
||||
ImGui_ImplDX9_ViewportData* vd = (ImGui_ImplDX9_ViewportData*)viewport->RendererUserData;
|
||||
HRESULT hr = vd->SwapChain->Present(NULL, NULL, vd->d3dpp.hDeviceWindow, NULL, 0);
|
||||
HRESULT hr = vd->SwapChain->Present(nullptr, nullptr, vd->d3dpp.hDeviceWindow, nullptr, 0);
|
||||
// Let main application handle D3DERR_DEVICELOST by resetting the device.
|
||||
IM_ASSERT(hr == D3D_OK || hr == D3DERR_DEVICELOST);
|
||||
IM_ASSERT(SUCCEEDED(hr) || hr == D3DERR_DEVICELOST);
|
||||
}
|
||||
|
||||
static void ImGui_ImplDX9_InitPlatformInterface()
|
||||
@ -538,3 +567,7 @@ static void ImGui_ImplDX9_InvalidateDeviceObjectsForPlatformWindows()
|
||||
if (platform_io.Viewports[i]->RendererUserData)
|
||||
ImGui_ImplDX9_DestroyWindow(platform_io.Viewports[i]);
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
#endif // #ifndef IMGUI_DISABLE
|
||||
|
Reference in New Issue
Block a user