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Backends: Null: added imgui_impl_null platform/renderer backend.

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ocornut
2025-11-17 15:05:43 +01:00
parent 9e15ebb402
commit b885382a63
12 changed files with 392 additions and 12 deletions
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15
examples/example_null/main.cpp
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@@ -3,24 +3,23 @@
// This is useful to test building, but you cannot interact with anything here!
#include "imgui.h"
#include <stdio.h>
#include "imgui_impl_null.h"
int main(int, char**)
{
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
// Build atlas
//unsigned char* tex_pixels = nullptr;
//int tex_w, tex_h;
//io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_w, &tex_h);
io.BackendFlags |= ImGuiBackendFlags_RendererHasTextures;
ImGui_ImplNullPlatform_Init();
ImGui_ImplNullRender_Init();
for (int n = 0; n < 20; n++)
{
printf("NewFrame() %d\n", n);
io.DisplaySize = ImVec2(1920, 1080);
io.DeltaTime = 1.0f / 60.0f;
ImGui_ImplNullPlatform_NewFrame();
ImGui_ImplNullRender_NewFrame();
ImGui::NewFrame();
static float f = 0.0f;
@@ -33,6 +32,8 @@ int main(int, char**)
}
printf("DestroyContext()\n");
ImGui_ImplNullRender_Shutdown();
ImGui_ImplNullPlatform_Shutdown();
ImGui::DestroyContext();
return 0;
}