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Backends: GL3: Implement glbinding opengl loader support. (#2870)

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This commit is contained in:
Rokas Kupstys
2020-01-07 15:32:34 +02:00
committed by omar
parent e254167afd
commit 5e2329b98e
6 changed files with 30 additions and 2 deletions
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9
examples/imgui_impl_opengl3.cpp
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@ -13,6 +13,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2020-01-07: OpenGL: Added support for glbindings OpenGL loader.
// 2019-10-25: OpenGL: Using a combination of GL define and runtime GL version to decide whether to use glDrawElementsBaseVertex(). Fix building with pre-3.2 GL loaders.
// 2019-09-22: OpenGL: Detect default GL loader using __has_include compiler facility.
// 2019-09-16: OpenGL: Tweak initialization code to allow application calling ImGui_ImplOpenGL3_CreateFontsTexture() before the first NewFrame() call.
@ -85,12 +86,14 @@
#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_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_CUSTOM
#endif
#endif
@ -115,6 +118,10 @@
#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)
#include <glbinding/gl/gl.h> // Initialize with glbinding::initialize()
#include <glbinding/glbinding.h>
using namespace gl;
#else
#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
#endif
@ -186,6 +193,8 @@ 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";
#else // IMGUI_IMPL_OPENGL_LOADER_CUSTOM
gl_loader = "Custom";
#endif