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Examples: OpenGL2: Extra comments (#606)

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ocornut 2016-04-24 18:11:54 +02:00
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4
examples/opengl_example/imgui_impl_glfw.cpp
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// ImGui GLFW binding with OpenGL // ImGui GLFW binding with OpenGL
// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp. // In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
// If your context is GL3/GL3 then prefer using the code in opengl3_example.
// You *might* use this code with a GL3/GL4 context but make sure you disable the programmable pipeline by calling "glUseProgram(0)" before ImGui::Render().
// We cannot do that from GL2 code because the function doesn't exist.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.

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examples/opengl_example/imgui_impl_glfw.h
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// ImGui GLFW binding with OpenGL // ImGui GLFW binding with OpenGL
// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp. // In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
// If your context is GL3/GL3 then prefer using the code in opengl3_example.
// You *might* use this code with a GL3/GL4 context but make sure you disable the programmable pipeline by calling "glUseProgram(0)" before ImGui::Render().
// We cannot do that from GL2 code because the function doesn't exist.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.