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Viewport: Removed back-end renderer code that implied we need to clear with WindowBg color. Added NoRendererClear flag. (#1542, #1042)

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omar
2018-03-15 17:52:53 +01:00
parent 09d8943967
commit 8364d1ca6c
8 changed files with 35 additions and 22 deletions
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9
examples/imgui_impl_opengl3.cpp
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@ -331,9 +331,12 @@ void ImGui_ImplOpenGL3_DestroyDeviceObjects()
static void ImGui_ImplOpenGL3_RenderViewport(ImGuiViewport* viewport)
{
ImVec4 clear_color = ImGui::GetStyle().Colors[ImGuiCol_WindowBg];
glClearColor(clear_color.x, clear_color.y, clear_color.z, 1.0f); // FIXME-PLATFORM
glClear(GL_COLOR_BUFFER_BIT);
if (!(viewport->Flags & ImGuiViewportFlags_NoRendererClear))
{
ImVec4 clear_color = ImVec4(0.0f, 0.0f, 0.0f, 1.0f);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
}
ImGui_ImplOpenGL3_RenderDrawData(&viewport->DrawData);
}