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Backends: OpenGL3: Add glad 2 to OpenGL loaders. (#3330)

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This commit is contained in:
Moritz Heinemann
2020-07-01 23:13:59 +02:00
committed by omar
parent 89685b346c
commit 06f7854b16
6 changed files with 24 additions and 0 deletions
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4
examples/example_sdl_opengl3/Makefile
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@ -42,6 +42,10 @@ CXXFLAGS += -I../libs/gl3w -DIMGUI_IMPL_OPENGL_LOADER_GL3W
# SOURCES += ../libs/glad/src/glad.c
# CXXFLAGS += -I../libs/glad/include -DIMGUI_IMPL_OPENGL_LOADER_GLAD
## Using OpenGL loader: glad2
# SOURCES += ../libs/glad/src/gl.c
# CXXFLAGS += -I../libs/glad/include -DIMGUI_IMPL_OPENGL_LOADER_GLAD2
## Using OpenGL loader: glbinding
## This assumes a system-wide installation
## of either version 3.0.0 (or newer)

4
examples/example_sdl_opengl3/main.cpp
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@ -19,6 +19,8 @@
#include <GL/glew.h> // Initialize with glewInit()
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
#include <glad/glad.h> // Initialize with gladLoadGL()
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD2)
#include <glad/gl.h> // Initialize with gladLoadGL(...) or gladLoaderLoadGL()
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2)
#define GLFW_INCLUDE_NONE // GLFW including OpenGL headers causes ambiguity or multiple definition errors.
#include <glbinding/Binding.h> // Initialize with glbinding::Binding::initialize()
@ -79,6 +81,8 @@ int main(int, char**)
bool err = glewInit() != GLEW_OK;
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
bool err = gladLoadGL() == 0;
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD2)
bool err = gladLoadGL((GLADloadfunc) SDL_GL_GetProcAddress) == 0; // glad docs recommend using the windowing library loader instead of the (optionally) bundled one.
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2)
bool err = false;
glbinding::Binding::initialize();