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Examples: OpenGL: Added support for glew and glad OpenGL loaders out of the box. (#2001, #2002). Changelog, tweaks, applied changes to SDL+OpenGL3 example.

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omar
2018-08-28 15:56:03 +02:00
parent e476b7e727
commit b127027cbd
7 changed files with 95 additions and 41 deletions
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11
examples/imgui_impl_opengl3.cpp
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2018-08-29: OpenGL: Added support for more OpenGL loaders: glew and glad, with comments indicative that any loader can be used.
// 2018-08-09: OpenGL: Default to OpenGL ES 3 on iOS and Android. GLSL version default to "#version 300 ES".
// 2018-07-30: OpenGL: Support for GLSL 300 ES and 410 core. Fixes for Emscripten compilation.
// 2018-07-10: OpenGL: Support for more GLSL versions (based on the GLSL version string). Added error output when shaders fail to compile/link.
@ -72,18 +73,16 @@
// OpenGL ES 3
#include <GLES3/gl3.h> // Use GL ES 3
#else
// OpenGL Regular
// (About OpenGL function loaders: modern OpenGL doesn't have a standard header file and requires individual functions to be loaded manually.
// Helper libraries are often used for this purpose! Here we are using gl3w.h, which requires a call to gl3wInit().
// You may use another any other loader/header of your choice, such as glew, glext, glad, glLoadGen, etc.)
// Regular OpenGL
// About OpenGL function loaders: modern OpenGL doesn't have a standard header file and requires individual function pointers to be loaded manually.
// Helper libraries are often used for this purpose! Here we are supporting a few common ones: gl3w, glew, glad.
// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own.
#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
#include <GL/gl3w.h>
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
#include <GL/glew.h>
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
#include <glad/glad.h>
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEXT)
#include <glext.h>
#else
#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
#endif