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Backends: OpenGL3: Support older 2.x series of glbinding as loader for OpenGL3 (#3061)

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This removes the unversioned definition IMGUI_IMPL_OPENGL_LOADER_GLBINDING in favor of two versioned ones to choose explicitly.
References: #2870, 5e2329b98e
This commit is contained in:
David Kalnischkies
2020-02-20 15:49:15 +01:00
committed by omar
parent 4986dba270
commit ac4262ad01
6 changed files with 47 additions and 16 deletions
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18
examples/imgui_impl_opengl3.cpp
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@ -86,14 +86,16 @@
#undef IMGUI_IMPL_OPENGL_LOADER_GL3W
#undef IMGUI_IMPL_OPENGL_LOADER_GLEW
#undef IMGUI_IMPL_OPENGL_LOADER_GLAD
#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING
#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING2
#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING3
#undef IMGUI_IMPL_OPENGL_LOADER_CUSTOM
#elif defined(__EMSCRIPTEN__)
#define IMGUI_IMPL_OPENGL_ES2 // Emscripten -> GL ES 2, "#version 100"
#undef IMGUI_IMPL_OPENGL_LOADER_GL3W
#undef IMGUI_IMPL_OPENGL_LOADER_GLEW
#undef IMGUI_IMPL_OPENGL_LOADER_GLAD
#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING
#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING2
#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING3
#undef IMGUI_IMPL_OPENGL_LOADER_CUSTOM
#endif
#endif
@ -118,9 +120,13 @@
#include <GL/glew.h> // Needs to be initialized with glewInit() in user's code
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
#include <glad/glad.h> // Needs to be initialized with gladLoadGL() in user's code
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING)
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2) || defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
#include <glbinding/gl/gl.h> // Initialize with glbinding::initialize()
#if defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2)
#include <glbinding/Binding.h>
#else
#include <glbinding/glbinding.h>
#endif
using namespace gl;
#else
#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
@ -193,8 +199,10 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
gl_loader = "GLEW";
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
gl_loader = "GLAD";
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING)
gl_loader = "glbinding";
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2)
gl_loader = "glbinding2";
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
gl_loader = "glbinding3";
#else // IMGUI_IMPL_OPENGL_LOADER_CUSTOM
gl_loader = "Custom";
#endif