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Backends: SDLRenderer3: Amend/finish SDL_Renderer3 patch + add example. (#6286)
This commit is contained in:
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@ -1,12 +1,11 @@
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// dear imgui: Renderer Backend for SDL_Renderer
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// dear imgui: Renderer Backend for SDL_Renderer for SDL3
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// (Requires: SDL 3.0.0+)
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// Important to understand: SDL_Renderer is an _optional_ component of SDL.
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// Note how SDL_Renderer is an _optional_ component of SDL3.
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// For a multi-platform app consider using e.g. SDL+DirectX on Windows and SDL+OpenGL on Linux/OSX.
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// If your application will want to render any non trivial amount of graphics other than UI,
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// please be aware that SDL_Renderer offers a limited graphic API to the end-user and it might
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// be difficult to step out of those boundaries.
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// However, we understand it is a convenient choice to get an app started easily.
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// please be aware that SDL_Renderer currently offers a limited graphic API to the end-user and
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// it might be difficult to step out of those boundaries.
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'SDL_Texture*' as ImTextureID. Read the FAQ about ImTextureID!
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@ -17,6 +16,7 @@
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// Read online: https://github.com/ocornut/imgui/tree/master/docs
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// CHANGELOG
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// 2023-05-30: Initial version.
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#include "imgui.h"
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#include "imgui_impl_sdlrenderer3.h"
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@ -39,31 +39,31 @@
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#endif
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// SDL_Renderer data
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struct ImGui_ImplSDLRenderer_Data
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struct ImGui_ImplSDLRenderer3_Data
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{
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SDL_Renderer* SDLRenderer;
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SDL_Texture* FontTexture;
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ImGui_ImplSDLRenderer_Data() { memset((void*)this, 0, sizeof(*this)); }
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ImGui_ImplSDLRenderer3_Data() { memset((void*)this, 0, sizeof(*this)); }
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};
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// Backend data stored in io.BackendRendererUserData to allow support for multiple Dear ImGui contexts
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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_ImplSDLRenderer_Data* ImGui_ImplSDLRenderer_GetBackendData()
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static ImGui_ImplSDLRenderer3_Data* ImGui_ImplSDLRenderer3_GetBackendData()
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{
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return ImGui::GetCurrentContext() ? (ImGui_ImplSDLRenderer_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
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return ImGui::GetCurrentContext() ? (ImGui_ImplSDLRenderer3_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
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}
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// Functions
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bool ImGui_ImplSDLRenderer_Init(SDL_Renderer* renderer)
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bool ImGui_ImplSDLRenderer3_Init(SDL_Renderer* renderer)
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{
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ImGuiIO& io = ImGui::GetIO();
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IM_ASSERT(io.BackendRendererUserData == nullptr && "Already initialized a renderer backend!");
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IM_ASSERT(renderer != nullptr && "SDL_Renderer not initialized!");
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// Setup backend capabilities flags
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ImGui_ImplSDLRenderer_Data* bd = IM_NEW(ImGui_ImplSDLRenderer_Data)();
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ImGui_ImplSDLRenderer3_Data* bd = IM_NEW(ImGui_ImplSDLRenderer3_Data)();
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io.BackendRendererUserData = (void*)bd;
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io.BackendRendererName = "imgui_impl_sdlrenderer";
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io.BackendRendererName = "imgui_impl_sdlrenderer3";
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io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
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bd->SDLRenderer = renderer;
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@ -71,22 +71,23 @@ bool ImGui_ImplSDLRenderer_Init(SDL_Renderer* renderer)
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return true;
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}
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void ImGui_ImplSDLRenderer_Shutdown()
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void ImGui_ImplSDLRenderer3_Shutdown()
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{
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ImGui_ImplSDLRenderer_Data* bd = ImGui_ImplSDLRenderer_GetBackendData();
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ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
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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_ImplSDLRenderer_DestroyDeviceObjects();
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ImGui_ImplSDLRenderer3_DestroyDeviceObjects();
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io.BackendRendererName = nullptr;
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io.BackendRendererUserData = nullptr;
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io.BackendFlags &= ~ImGuiBackendFlags_RendererHasVtxOffset;
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IM_DELETE(bd);
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}
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static void ImGui_ImplSDLRenderer_SetupRenderState()
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static void ImGui_ImplSDLRenderer3_SetupRenderState()
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{
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ImGui_ImplSDLRenderer_Data* bd = ImGui_ImplSDLRenderer_GetBackendData();
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ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
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// Clear out any viewports and cliprect set by the user
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// FIXME: Technically speaking there are lots of other things we could backup/setup/restore during our render process.
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@ -94,18 +95,18 @@ static void ImGui_ImplSDLRenderer_SetupRenderState()
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SDL_SetRenderClipRect(bd->SDLRenderer, nullptr);
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}
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void ImGui_ImplSDLRenderer_NewFrame()
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void ImGui_ImplSDLRenderer3_NewFrame()
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{
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ImGui_ImplSDLRenderer_Data* bd = ImGui_ImplSDLRenderer_GetBackendData();
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IM_ASSERT(bd != nullptr && "Did you call ImGui_ImplSDLRenderer_Init()?");
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ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
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IM_ASSERT(bd != nullptr && "Did you call ImGui_ImplSDLRenderer3_Init()?");
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if (!bd->FontTexture)
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ImGui_ImplSDLRenderer_CreateDeviceObjects();
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ImGui_ImplSDLRenderer3_CreateDeviceObjects();
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}
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void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data)
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void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data)
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{
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ImGui_ImplSDLRenderer_Data* bd = ImGui_ImplSDLRenderer_GetBackendData();
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ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
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// If there's a scale factor set by the user, use that instead
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// If the user has specified a scale factor to SDL_Renderer already via SDL_RenderSetScale(), SDL will scale whatever we pass
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@ -140,7 +141,7 @@ void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data)
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ImVec2 clip_scale = render_scale;
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// Render command lists
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ImGui_ImplSDLRenderer_SetupRenderState();
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ImGui_ImplSDLRenderer3_SetupRenderState();
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for (int n = 0; n < draw_data->CmdListsCount; n++)
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{
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const ImDrawList* cmd_list = draw_data->CmdLists[n];
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@ -155,7 +156,7 @@ void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data)
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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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if (pcmd->UserCallback == ImDrawCallback_ResetRenderState)
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ImGui_ImplSDLRenderer_SetupRenderState();
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ImGui_ImplSDLRenderer3_SetupRenderState();
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else
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pcmd->UserCallback(cmd_list, pcmd);
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}
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@ -200,10 +201,10 @@ void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data)
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}
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// Called by Init/NewFrame/Shutdown
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bool ImGui_ImplSDLRenderer_CreateFontsTexture()
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bool ImGui_ImplSDLRenderer3_CreateFontsTexture()
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGui_ImplSDLRenderer_Data* bd = ImGui_ImplSDLRenderer_GetBackendData();
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ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
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// Build texture atlas
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unsigned char* pixels;
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@ -228,10 +229,10 @@ bool ImGui_ImplSDLRenderer_CreateFontsTexture()
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return true;
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}
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void ImGui_ImplSDLRenderer_DestroyFontsTexture()
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void ImGui_ImplSDLRenderer3_DestroyFontsTexture()
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGui_ImplSDLRenderer_Data* bd = ImGui_ImplSDLRenderer_GetBackendData();
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ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
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if (bd->FontTexture)
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{
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io.Fonts->SetTexID(0);
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@ -240,14 +241,14 @@ void ImGui_ImplSDLRenderer_DestroyFontsTexture()
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}
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}
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bool ImGui_ImplSDLRenderer_CreateDeviceObjects()
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bool ImGui_ImplSDLRenderer3_CreateDeviceObjects()
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{
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return ImGui_ImplSDLRenderer_CreateFontsTexture();
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return ImGui_ImplSDLRenderer3_CreateFontsTexture();
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}
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void ImGui_ImplSDLRenderer_DestroyDeviceObjects()
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void ImGui_ImplSDLRenderer3_DestroyDeviceObjects()
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{
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ImGui_ImplSDLRenderer_DestroyFontsTexture();
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ImGui_ImplSDLRenderer3_DestroyFontsTexture();
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}
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#if defined(__clang__)
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@ -1,12 +1,11 @@
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// dear imgui: Renderer Backend for SDL_Renderer
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// (Requires: SDL 2.0.17+)
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// dear imgui: Renderer Backend for SDL_Renderer for SDL3
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// (Requires: SDL 3.0.0+)
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// Important to understand: SDL_Renderer is an _optional_ component of SDL.
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// Note how SDL_Renderer is an _optional_ component of SDL3.
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// For a multi-platform app consider using e.g. SDL+DirectX on Windows and SDL+OpenGL on Linux/OSX.
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// If your application will want to render any non trivial amount of graphics other than UI,
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// please be aware that SDL_Renderer offers a limited graphic API to the end-user and it might
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// be difficult to step out of those boundaries.
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// However, we understand it is a convenient choice to get an app started easily.
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// please be aware that SDL_Renderer currently offers a limited graphic API to the end-user and
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// it might be difficult to step out of those boundaries.
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'SDL_Texture*' as ImTextureID. Read the FAQ about ImTextureID!
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@ -17,13 +16,13 @@
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struct SDL_Renderer;
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IMGUI_IMPL_API bool ImGui_ImplSDLRenderer_Init(SDL_Renderer* renderer);
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer_NewFrame();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer_RenderDrawData(ImDrawData* draw_data);
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IMGUI_IMPL_API bool ImGui_ImplSDLRenderer3_Init(SDL_Renderer* renderer);
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer3_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer3_NewFrame();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data);
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// Called by Init/NewFrame/Shutdown
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IMGUI_IMPL_API bool ImGui_ImplSDLRenderer_CreateFontsTexture();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer_DestroyFontsTexture();
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IMGUI_IMPL_API bool ImGui_ImplSDLRenderer_CreateDeviceObjects();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer_DestroyDeviceObjects();
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IMGUI_IMPL_API bool ImGui_ImplSDLRenderer3_CreateFontsTexture();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer3_DestroyFontsTexture();
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IMGUI_IMPL_API bool ImGui_ImplSDLRenderer3_CreateDeviceObjects();
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IMGUI_IMPL_API void ImGui_ImplSDLRenderer3_DestroyDeviceObjects();
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@ -77,6 +77,7 @@ List of Renderer Backends:
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imgui_impl_opengl2.cpp ; OpenGL 2 (legacy, fixed pipeline <- don't use with modern OpenGL context)
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imgui_impl_opengl3.cpp ; OpenGL 3/4, OpenGL ES 2, OpenGL ES 3 (modern programmable pipeline)
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imgui_impl_sdlrenderer2.cpp ; SDL_Renderer (optional component of SDL2 available from SDL 2.0.18+)
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imgui_impl_sdlrenderer3.cpp ; SDL_Renderer (optional component of SDL3 available from SDL 3.0.0+)
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imgui_impl_vulkan.cpp ; Vulkan
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imgui_impl_wgpu.cpp ; WebGPU
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@ -87,11 +87,13 @@ Other changes:
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by context (Desktop 3.0, 3.1, or 3.2+ with compat bit). (#6333) [@GereonV]
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- Backends: OpenGL3: Support for glBindSampler() backup/restore on ES3. (#6375) [@jsm174]
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- Backends: SDL3: Fixed build on Emscripten/iOS/Android. (#6391) [@jo-codegirl]
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- Backends: SDLRenderer3: Added SDL_Renderer for SDL3 backend. (#6286) [@Carcons, @ocornut]
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- Examples: Added native Win32+OpenGL3 example. We don't recommend using this setup but we
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provide it for completeness. (#3218, #5170, #6086, #2772, #2600, #2359, #2022, #1553) [@learn-more]
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- Examples: Vulkan: Use integrated GPU if nothing else is available. (#6359) [@kimidaisuki22]
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- Examples: DX9, DX10, DX11: Queue framebuffer resize instead of processing in WM_SIZE,
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as some drivers tends to only cleanup after existing the native resize modal loop. (#6374)
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- Examples: Added SDL3+SDL_Renderer example. (#6286)
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- Examples: Updated all Visual Studio projects and batches to use /utf-8 argument.
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@ -120,7 +120,7 @@ Integrating Dear ImGui within your custom engine is a matter of 1) wiring mouse/
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Officially maintained backends/bindings (in repository):
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- Renderers: DirectX9, DirectX10, DirectX11, DirectX12, Metal, OpenGL/ES/ES2, SDL_Renderer, Vulkan, WebGPU.
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- Platforms: GLFW, SDL2, Win32, Glut, OSX, Android.
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- Platforms: GLFW, SDL2/SDL3, Win32, Glut, OSX, Android.
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- Frameworks: Allegro5, Emscripten.
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[Third-party backends/bindings](https://github.com/ocornut/imgui/wiki/Bindings) wiki page:
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@ -3,8 +3,7 @@
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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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// Important to understand: SDL_Renderer is an _optional_ component of SDL. We do not recommend you use SDL_Renderer
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// because it provides a rather limited API to the end-user. We provide this backend for the sake of completeness.
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// Important to understand: SDL_Renderer is an _optional_ component of SDL2.
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// For a multi-platform app consider using e.g. SDL+DirectX on Windows and SDL+OpenGL on Linux/OSX.
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#include "imgui.h"
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73
examples/example_sdl3_sdlrenderer3/Makefile
Normal file
73
examples/example_sdl3_sdlrenderer3/Makefile
Normal file
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#
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# Cross Platform Makefile
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# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
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#
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# You will need SDL3 (http://www.libsdl.org) which is still unreleased/unpackaged.
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#CXX = g++
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#CXX = clang++
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EXE = example_sdl3_sdlrenderer3
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IMGUI_DIR = ../..
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SOURCES = main.cpp
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SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp
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SOURCES += $(IMGUI_DIR)/backends/imgui_impl_sdl3.cpp $(IMGUI_DIR)/backends/imgui_impl_sdlrenderer3.cpp
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OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
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UNAME_S := $(shell uname -s)
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LINUX_GL_LIBS = -lGL
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CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
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CXXFLAGS += -g -Wall -Wformat
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LIBS =
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##---------------------------------------------------------------------
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## BUILD FLAGS PER PLATFORM
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##---------------------------------------------------------------------
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ifeq ($(UNAME_S), Linux) #LINUX
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ECHO_MESSAGE = "Linux"
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LIBS += -ldl `sdl3-config --libs`
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CXXFLAGS += `sdl3-config --cflags`
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CFLAGS = $(CXXFLAGS)
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endif
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ifeq ($(UNAME_S), Darwin) #APPLE
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ECHO_MESSAGE = "Mac OS X"
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LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl3-config --libs`
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LIBS += -L/usr/local/lib -L/opt/local/lib
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CXXFLAGS += `sdl3-config --cflags`
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CXXFLAGS += -I/usr/local/include -I/opt/local/include
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CFLAGS = $(CXXFLAGS)
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endif
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ifeq ($(OS), Windows_NT)
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ECHO_MESSAGE = "MinGW"
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LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl3`
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CXXFLAGS += `pkg-config --cflags sdl3`
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CFLAGS = $(CXXFLAGS)
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endif
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##---------------------------------------------------------------------
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## BUILD RULES
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##---------------------------------------------------------------------
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%.o:%.cpp
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$(CXX) $(CXXFLAGS) -c -o $@ $<
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%.o:$(IMGUI_DIR)/%.cpp
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$(CXX) $(CXXFLAGS) -c -o $@ $<
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%.o:$(IMGUI_DIR)/backends/%.cpp
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$(CXX) $(CXXFLAGS) -c -o $@ $<
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all: $(EXE)
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@echo Build complete for $(ECHO_MESSAGE)
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$(EXE): $(OBJS)
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$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
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clean:
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rm -f $(EXE) $(OBJS)
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8
examples/example_sdl3_sdlrenderer3/build_win32.bat
Normal file
8
examples/example_sdl3_sdlrenderer3/build_win32.bat
Normal file
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@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler.
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@set OUT_DIR=Debug
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@set OUT_EXE=example_sdl3_sdlrenderer3
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@set INCLUDES=/I..\.. /I..\..\backends /I%SDL3_DIR%\include
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@set SOURCES=main.cpp ..\..\backends\imgui_impl_sdl3.cpp ..\..\backends\imgui_impl_sdlrenderer3.cpp ..\..\imgui*.cpp
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@set LIBS=/LIBPATH:%SDL3_DIR%\lib\x86 SDL3.lib
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mkdir %OUT_DIR%
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cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<ProjectGuid>{C0290D21-3AD2-4A35-ABBC-A2F5F48326DA}</ProjectGuid>
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<RootNamespace>example_sdl3_opengl3</RootNamespace>
|
||||
<WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<CharacterSet>MultiByte</CharacterSet>
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<CharacterSet>MultiByte</CharacterSet>
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>MultiByte</CharacterSet>
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>MultiByte</CharacterSet>
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
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||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<OutDir>$(ProjectDir)$(Configuration)\</OutDir>
|
||||
<IntDir>$(ProjectDir)$(Configuration)\</IntDir>
|
||||
<IncludePath>$(IncludePath)</IncludePath>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<OutDir>$(ProjectDir)$(Configuration)\</OutDir>
|
||||
<IntDir>$(ProjectDir)$(Configuration)\</IntDir>
|
||||
<IncludePath>$(IncludePath)</IncludePath>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<OutDir>$(ProjectDir)$(Configuration)\</OutDir>
|
||||
<IntDir>$(ProjectDir)$(Configuration)\</IntDir>
|
||||
<IncludePath>$(IncludePath)</IncludePath>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<OutDir>$(ProjectDir)$(Configuration)\</OutDir>
|
||||
<IntDir>$(ProjectDir)$(Configuration)\</IntDir>
|
||||
<IncludePath>$(IncludePath)</IncludePath>
|
||||
</PropertyGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level4</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL3_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL3;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<AdditionalLibraryDirectories>%SDL3_DIR%\lib\x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<AdditionalDependencies>opengl32.lib;SDL3.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<IgnoreSpecificDefaultLibraries>msvcrt.lib</IgnoreSpecificDefaultLibraries>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level4</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL3_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL3;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<AdditionalLibraryDirectories>%SDL3_DIR%\lib\x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<AdditionalDependencies>opengl32.lib;SDL3.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<IgnoreSpecificDefaultLibraries>msvcrt.lib</IgnoreSpecificDefaultLibraries>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level4</WarningLevel>
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL3_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL3;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
<AdditionalLibraryDirectories>%SDL3_DIR%\lib\x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<AdditionalDependencies>opengl32.lib;SDL3.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<IgnoreSpecificDefaultLibraries>
|
||||
</IgnoreSpecificDefaultLibraries>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level4</WarningLevel>
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL3_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL3;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
<AdditionalLibraryDirectories>%SDL3_DIR%\lib\x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<AdditionalDependencies>opengl32.lib;SDL3.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<IgnoreSpecificDefaultLibraries>
|
||||
</IgnoreSpecificDefaultLibraries>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\..\backends\imgui_impl_sdlrenderer3.cpp" />
|
||||
<ClCompile Include="..\..\imgui.cpp" />
|
||||
<ClCompile Include="..\..\imgui_demo.cpp" />
|
||||
<ClCompile Include="..\..\imgui_draw.cpp" />
|
||||
<ClCompile Include="..\..\imgui_tables.cpp" />
|
||||
<ClCompile Include="..\..\imgui_widgets.cpp" />
|
||||
<ClCompile Include="..\..\backends\imgui_impl_sdl3.cpp" />
|
||||
<ClCompile Include="main.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\..\backends\imgui_impl_sdlrenderer3.h" />
|
||||
<ClInclude Include="..\..\imconfig.h" />
|
||||
<ClInclude Include="..\..\imgui.h" />
|
||||
<ClInclude Include="..\..\imgui_internal.h" />
|
||||
<ClInclude Include="..\..\backends\imgui_impl_sdl3.h" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\..\misc\debuggers\imgui.natstepfilter" />
|
||||
<None Include="..\..\misc\debuggers\imgui.natvis" />
|
||||
<None Include="..\README.txt" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
@ -0,0 +1,64 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup>
|
||||
<Filter Include="imgui">
|
||||
<UniqueIdentifier>{20b90ce4-7fcb-4731-b9a0-075f875de82d}</UniqueIdentifier>
|
||||
</Filter>
|
||||
<Filter Include="sources">
|
||||
<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\..\imgui.cpp">
|
||||
<Filter>imgui</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\imgui_demo.cpp">
|
||||
<Filter>imgui</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\imgui_draw.cpp">
|
||||
<Filter>imgui</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="main.cpp">
|
||||
<Filter>sources</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\backends\imgui_impl_sdl3.cpp">
|
||||
<Filter>sources</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\imgui_tables.cpp">
|
||||
<Filter>imgui</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\imgui_widgets.cpp">
|
||||
<Filter>imgui</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\backends\imgui_impl_sdlrenderer3.cpp">
|
||||
<Filter>sources</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\..\imconfig.h">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\imgui.h">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\imgui_internal.h">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\backends\imgui_impl_sdl3.h">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\backends\imgui_impl_sdlrenderer3.h">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\README.txt" />
|
||||
<None Include="..\..\misc\debuggers\imgui.natvis">
|
||||
<Filter>imgui</Filter>
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
</Project>
|
174
examples/example_sdl3_sdlrenderer3/main.cpp
Normal file
174
examples/example_sdl3_sdlrenderer3/main.cpp
Normal file
@ -0,0 +1,174 @@
|
||||
// Dear ImGui: standalone example application for SDL3 + SDL_Renderer
|
||||
// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.)
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
// Important to understand: SDL_Renderer is an _optional_ component of SDL3.
|
||||
// For a multi-platform app consider using e.g. SDL+DirectX on Windows and SDL+OpenGL on Linux/OSX.
|
||||
|
||||
#include "imgui.h"
|
||||
#include "imgui_impl_sdl3.h"
|
||||
#include "imgui_impl_sdlrenderer3.h"
|
||||
#include <stdio.h>
|
||||
#include <SDL3/SDL.h>
|
||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||
#include <SDL3/SDL_opengles2.h>
|
||||
#else
|
||||
#include <SDL3/SDL_opengl.h>
|
||||
#endif
|
||||
|
||||
// Main code
|
||||
int main(int, char**)
|
||||
{
|
||||
// Setup SDL
|
||||
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMEPAD) != 0)
|
||||
{
|
||||
printf("Error: SDL_Init(): %s\n", SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
|
||||
// Enable native IME.
|
||||
SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");
|
||||
|
||||
// Create window with SDL_Renderer graphics context
|
||||
SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN);
|
||||
SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_Renderer example", 1280, 720, window_flags);
|
||||
if (window == nullptr)
|
||||
{
|
||||
printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
SDL_Renderer* renderer = SDL_CreateRenderer(window, NULL, SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED);
|
||||
if (renderer == nullptr)
|
||||
{
|
||||
SDL_Log("Error: SDL_CreateRenderer(): %s\n", SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
|
||||
SDL_ShowWindow(window);
|
||||
|
||||
// Setup Dear ImGui context
|
||||
IMGUI_CHECKVERSION();
|
||||
ImGui::CreateContext();
|
||||
ImGuiIO& io = ImGui::GetIO(); (void)io;
|
||||
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
|
||||
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
|
||||
|
||||
// Setup Dear ImGui style
|
||||
ImGui::StyleColorsDark();
|
||||
//ImGui::StyleColorsLight();
|
||||
|
||||
// Setup Platform/Renderer backends
|
||||
ImGui_ImplSDL3_InitForSDLRenderer(window, renderer);
|
||||
ImGui_ImplSDLRenderer3_Init(renderer);
|
||||
|
||||
// Load Fonts
|
||||
// - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
|
||||
// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
|
||||
// - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
|
||||
// - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
|
||||
// - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering.
|
||||
// - Read 'docs/FONTS.md' for more instructions and details.
|
||||
// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
|
||||
// - Our Emscripten build process allows embedding fonts to be accessible at runtime from the "fonts/" folder. See Makefile.emscripten for details.
|
||||
//io.Fonts->AddFontDefault();
|
||||
//io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
|
||||
//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese());
|
||||
//IM_ASSERT(font != nullptr);
|
||||
|
||||
// Our state
|
||||
bool show_demo_window = true;
|
||||
bool show_another_window = false;
|
||||
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
|
||||
|
||||
// Main loop
|
||||
bool done = false;
|
||||
#ifdef __EMSCRIPTEN__
|
||||
// For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file.
|
||||
// You may manually call LoadIniSettingsFromMemory() to load settings from your own storage.
|
||||
io.IniFilename = nullptr;
|
||||
EMSCRIPTEN_MAINLOOP_BEGIN
|
||||
#else
|
||||
while (!done)
|
||||
#endif
|
||||
{
|
||||
// Poll and handle events (inputs, window resize, etc.)
|
||||
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
|
||||
// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
|
||||
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
|
||||
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
|
||||
SDL_Event event;
|
||||
while (SDL_PollEvent(&event))
|
||||
{
|
||||
ImGui_ImplSDL3_ProcessEvent(&event);
|
||||
if (event.type == SDL_EVENT_QUIT)
|
||||
done = true;
|
||||
if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window))
|
||||
done = true;
|
||||
}
|
||||
|
||||
// Start the Dear ImGui frame
|
||||
ImGui_ImplSDLRenderer3_NewFrame();
|
||||
ImGui_ImplSDL3_NewFrame();
|
||||
ImGui::NewFrame();
|
||||
|
||||
// 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
|
||||
if (show_demo_window)
|
||||
ImGui::ShowDemoWindow(&show_demo_window);
|
||||
|
||||
// 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window.
|
||||
{
|
||||
static float f = 0.0f;
|
||||
static int counter = 0;
|
||||
|
||||
ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it.
|
||||
|
||||
ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too)
|
||||
ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state
|
||||
ImGui::Checkbox("Another Window", &show_another_window);
|
||||
|
||||
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
|
||||
ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
|
||||
|
||||
if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated)
|
||||
counter++;
|
||||
ImGui::SameLine();
|
||||
ImGui::Text("counter = %d", counter);
|
||||
|
||||
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
|
||||
ImGui::End();
|
||||
}
|
||||
|
||||
// 3. Show another simple window.
|
||||
if (show_another_window)
|
||||
{
|
||||
ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
|
||||
ImGui::Text("Hello from another window!");
|
||||
if (ImGui::Button("Close Me"))
|
||||
show_another_window = false;
|
||||
ImGui::End();
|
||||
}
|
||||
|
||||
// Rendering
|
||||
ImGui::Render();
|
||||
//SDL_RenderSetScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y);
|
||||
SDL_SetRenderDrawColor(renderer, (Uint8)(clear_color.x * 255), (Uint8)(clear_color.y * 255), (Uint8)(clear_color.z * 255), (Uint8)(clear_color.w * 255));
|
||||
SDL_RenderClear(renderer);
|
||||
ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData());
|
||||
SDL_RenderPresent(renderer);
|
||||
}
|
||||
|
||||
// Cleanup
|
||||
ImGui_ImplSDLRenderer3_Shutdown();
|
||||
ImGui_ImplSDL3_Shutdown();
|
||||
ImGui::DestroyContext();
|
||||
|
||||
SDL_DestroyRenderer(renderer);
|
||||
SDL_DestroyWindow(window);
|
||||
SDL_Quit();
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue
Block a user