Backends: OpenGL3: Embed our own minimal GL loader based on gl3w and use it in SDL/GLFW examples. (#4445)
Loader repository at https://github.com/dearimgui/gl3w_stripped Removed support for using custom loaders in examples/opengl3 backend
This commit is contained in:
Rokas Kupstys
ocornut
parent
7bbf8f2ab0
commit
459de65477
@ -111,33 +111,14 @@
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#else
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#else
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// About Desktop OpenGL function loaders:
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// About Desktop OpenGL function loaders:
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// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
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// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
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// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad).
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// Helper libraries are often used for this purpose! Here we are using our own minimal custom loader based on gl3w.
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// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own.
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// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own.
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#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
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// If you happen to be developing a new feature for this backend, you may want to get a unstripped version of
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#include <GL/gl3w.h> // Needs to be initialized with gl3wInit() in user's code
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// imgui_impl_opengl3_loader.h from https://github.com/dearimgui/gl3w_stripped/releases/ and use that temporarily.
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
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// When done, changes using new APIs should be accompanied by regenerated stripped loader version (instructions in
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#include <GL/glew.h> // Needs to be initialized with glewInit() in user's code.
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// gl3w_stripped README.rst).
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
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#define IMGL3W_IMPL 1
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#include <glad/glad.h> // Needs to be initialized with gladLoadGL() in user's code.
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#include "imgui_impl_opengl3_loader.h"
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD2)
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#include <glad/gl.h> // Needs to be initialized with gladLoadGL(...) or gladLoaderLoadGL() in user's code.
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2)
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#ifndef GLFW_INCLUDE_NONE
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#define GLFW_INCLUDE_NONE // GLFW including OpenGL headers causes ambiguity or multiple definition errors.
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#endif
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#include <glbinding/Binding.h> // Needs to be initialized with glbinding::Binding::initialize() in user's code.
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#include <glbinding/gl/gl.h>
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using namespace gl;
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
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#ifndef GLFW_INCLUDE_NONE
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#define GLFW_INCLUDE_NONE // GLFW including OpenGL headers causes ambiguity or multiple definition errors.
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#endif
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#include <glbinding/glbinding.h>// Needs to be initialized with glbinding::initialize() in user's code.
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#include <glbinding/gl/gl.h>
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using namespace gl;
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#else
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#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
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#endif
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#endif
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#endif
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// Vertex arrays are not supported on ES2/WebGL1 unless Emscripten which uses an extension
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// Vertex arrays are not supported on ES2/WebGL1 unless Emscripten which uses an extension
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@ -207,6 +188,14 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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IM_ASSERT(io.BackendRendererUserData == NULL && "Already initialized a renderer backend!");
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IM_ASSERT(io.BackendRendererUserData == NULL && "Already initialized a renderer backend!");
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#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3)
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if (imgl3wInit() != 0)
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{
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fprintf(stderr, "Failed to initialize OpenGL loader!\n");
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return false;
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}
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#endif
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// Setup backend capabilities flags
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// Setup backend capabilities flags
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ImGui_ImplOpenGL3_Data* bd = IM_NEW(ImGui_ImplOpenGL3_Data)();;
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ImGui_ImplOpenGL3_Data* bd = IM_NEW(ImGui_ImplOpenGL3_Data)();;
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io.BackendRendererUserData = (void*)bd;
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io.BackendRendererUserData = (void*)bd;
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@ -252,37 +241,6 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
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strcpy(bd->GlslVersionString, glsl_version);
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strcpy(bd->GlslVersionString, glsl_version);
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strcat(bd->GlslVersionString, "\n");
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strcat(bd->GlslVersionString, "\n");
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// Debugging construct to make it easily visible in the IDE and debugger which GL loader has been selected.
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// The code actually never uses the 'gl_loader' variable! It is only here so you can read it!
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// If auto-detection fails or doesn't select the same GL loader file as used by your application,
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// you are likely to get a crash below.
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// You can explicitly select a loader by using '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line.
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const char* gl_loader = "Unknown";
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IM_UNUSED(gl_loader);
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#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
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gl_loader = "GL3W";
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
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gl_loader = "GLEW";
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
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gl_loader = "GLAD";
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD2)
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gl_loader = "GLAD2";
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2)
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gl_loader = "glbinding2";
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
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gl_loader = "glbinding3";
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_CUSTOM)
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gl_loader = "custom";
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#else
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gl_loader = "none";
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#endif
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// Make an arbitrary GL call (we don't actually need the result)
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// IF YOU GET A CRASH HERE: it probably means that you haven't initialized the OpenGL function loader used by this code.
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// Desktop OpenGL 3/4 need a function loader. See the IMGUI_IMPL_OPENGL_LOADER_xxx explanation above.
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GLint current_texture;
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glGetIntegerv(GL_TEXTURE_BINDING_2D, ¤t_texture);
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// Detect extensions we support
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// Detect extensions we support
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bd->HasClipOrigin = (bd->GlVersion >= 450);
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bd->HasClipOrigin = (bd->GlVersion >= 450);
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#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS
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#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS
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@ -41,19 +41,9 @@ IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects();
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//#define IMGUI_IMPL_OPENGL_ES2 // Auto-detected on Emscripten
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//#define IMGUI_IMPL_OPENGL_ES2 // Auto-detected on Emscripten
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//#define IMGUI_IMPL_OPENGL_ES3 // Auto-detected on iOS/Android
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//#define IMGUI_IMPL_OPENGL_ES3 // Auto-detected on iOS/Android
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// Attempt to auto-detect the default Desktop GL loader based on available header files.
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// You can explicitly select GLES2 or GLES3 API by using one of the '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line.
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// If auto-detection fails or doesn't select the same GL loader file as used by your application,
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// you are likely to get a crash in ImGui_ImplOpenGL3_Init().
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// You can explicitly select a loader by using one of the '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line.
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#if !defined(IMGUI_IMPL_OPENGL_ES2) \
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#if !defined(IMGUI_IMPL_OPENGL_ES2) \
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&& !defined(IMGUI_IMPL_OPENGL_ES3) \
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&& !defined(IMGUI_IMPL_OPENGL_ES3)
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) \
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) \
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) \
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_GLAD2) \
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING2) \
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3) \
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&& !defined(IMGUI_IMPL_OPENGL_LOADER_CUSTOM)
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// Try to detect GLES on matching platforms
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// Try to detect GLES on matching platforms
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#if defined(__APPLE__)
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#if defined(__APPLE__)
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@ -63,26 +53,8 @@ IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects();
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#define IMGUI_IMPL_OPENGL_ES3 // iOS, Android -> GL ES 3, "#version 300 es"
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#define IMGUI_IMPL_OPENGL_ES3 // iOS, Android -> GL ES 3, "#version 300 es"
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#elif defined(__EMSCRIPTEN__)
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#elif defined(__EMSCRIPTEN__)
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#define IMGUI_IMPL_OPENGL_ES2 // Emscripten -> GL ES 2, "#version 100"
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#define IMGUI_IMPL_OPENGL_ES2 // Emscripten -> GL ES 2, "#version 100"
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// Otherwise try to detect supported Desktop OpenGL loaders..
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#elif defined(__has_include)
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#if __has_include(<GL/glew.h>)
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#define IMGUI_IMPL_OPENGL_LOADER_GLEW
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#elif __has_include(<glad/glad.h>)
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#define IMGUI_IMPL_OPENGL_LOADER_GLAD
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#elif __has_include(<glad/gl.h>)
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#define IMGUI_IMPL_OPENGL_LOADER_GLAD2
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#elif __has_include(<GL/gl3w.h>)
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#define IMGUI_IMPL_OPENGL_LOADER_GL3W
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#elif __has_include(<glbinding/glbinding.h>)
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#define IMGUI_IMPL_OPENGL_LOADER_GLBINDING3
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#elif __has_include(<glbinding/Binding.h>)
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#define IMGUI_IMPL_OPENGL_LOADER_GLBINDING2
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#else
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#else
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#error "Cannot detect OpenGL loader!"
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// Otherwise imgui_impl_opengl3_loader.h will be used.
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#endif
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#else
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#define IMGUI_IMPL_OPENGL_LOADER_GL3W // Default to GL3W embedded in our repository
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#endif
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#endif
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#endif
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#endif
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729
backends/imgui_impl_opengl3_loader.h
Normal file
729
backends/imgui_impl_opengl3_loader.h
Normal file
@ -0,0 +1,729 @@
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/*
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* This file was generated with gl3w_gen.py, part of imgl3w
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* (hosted at https://github.com/dearimgui/gl3w_stripped)
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*
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* This is free and unencumbered software released into the public domain.
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*
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* Anyone is free to copy, modify, publish, use, compile, sell, or
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* distribute this software, either in source code form or as a compiled
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* binary, for any purpose, commercial or non-commercial, and by any
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* means.
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*
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* In jurisdictions that recognize copyright laws, the author or authors
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* of this software dedicate any and all copyright interest in the
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* software to the public domain. We make this dedication for the benefit
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* of the public at large and to the detriment of our heirs and
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* successors. We intend this dedication to be an overt act of
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* relinquishment in perpetuity of all present and future rights to this
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* software under copyright law.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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// We embed our own OpenGL loader to not require user to provide their own or to have to use ours, which proved to be endless problems for users.
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// Our loader is custom-generated, based on gl3w but automatically filtered to only include enums/functions that we use in this source file.
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// Regenerate with: python gl3w_gen.py --imgui-dir /path/to/imgui/
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// see https://github.com/dearimgui/gl3w_stripped for more info.
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#ifndef __gl3w_h_
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#define __gl3w_h_
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// Adapted from KHR/khrplatform.h to avoid including entire file.
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typedef float khronos_float_t;
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typedef signed char khronos_int8_t;
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typedef unsigned char khronos_uint8_t;
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typedef signed short int khronos_int16_t;
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typedef unsigned short int khronos_uint16_t;
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#ifdef _WIN64
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typedef signed long long int khronos_intptr_t;
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typedef signed long long int khronos_ssize_t;
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#else
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typedef signed long int khronos_intptr_t;
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typedef signed long int khronos_ssize_t;
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#endif
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#if defined(_MSC_VER) && !defined(__clang__)
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typedef signed __int64 khronos_int64_t;
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typedef unsigned __int64 khronos_uint64_t;
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#elif (defined(__clang__) || defined(__GNUC__)) && (__cplusplus < 201100)
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#include <stdint.h>
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typedef int64_t khronos_int64_t;
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typedef uint64_t khronos_uint64_t;
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#else
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typedef signed long long khronos_int64_t;
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typedef unsigned long long khronos_uint64_t;
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#endif
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#ifndef __gl_glcorearb_h_
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#define __gl_glcorearb_h_ 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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** Copyright 2013-2020 The Khronos Group Inc.
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** SPDX-License-Identifier: MIT
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**
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** This header is generated from the Khronos OpenGL / OpenGL ES XML
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** API Registry. The current version of the Registry, generator scripts
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** used to make the header, and the header can be found at
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** https://github.com/KhronosGroup/OpenGL-Registry
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*/
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#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN 1
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#endif
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#include <windows.h>
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#endif
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#ifndef APIENTRY
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#define APIENTRY
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#endif
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#ifndef APIENTRYP
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#define APIENTRYP APIENTRY *
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#endif
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#ifndef GLAPI
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#define GLAPI extern
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#endif
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/* glcorearb.h is for use with OpenGL core profile implementations.
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** It should should be placed in the same directory as gl.h and
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** included as <GL/glcorearb.h>.
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**
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** glcorearb.h includes only APIs in the latest OpenGL core profile
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** implementation together with APIs in newer ARB extensions which
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** can be supported by the core profile. It does not, and never will
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** include functionality removed from the core profile, such as
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** fixed-function vertex and fragment processing.
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**
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** Do not #include both <GL/glcorearb.h> and either of <GL/gl.h> or
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** <GL/glext.h> in the same source file.
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*/
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/* Generated C header for:
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* API: gl
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* Profile: core
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* Versions considered: .*
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* Versions emitted: .*
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* Default extensions included: glcore
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* Additional extensions included: _nomatch_^
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* Extensions removed: _nomatch_^
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*/
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#ifndef GL_VERSION_1_0
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typedef void GLvoid;
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typedef unsigned int GLenum;
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typedef khronos_float_t GLfloat;
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typedef int GLint;
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typedef int GLsizei;
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typedef unsigned int GLbitfield;
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typedef double GLdouble;
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typedef unsigned int GLuint;
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typedef unsigned char GLboolean;
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typedef khronos_uint8_t GLubyte;
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#define GL_COLOR_BUFFER_BIT 0x00004000
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#define GL_FALSE 0
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#define GL_TRUE 1
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#define GL_TRIANGLES 0x0004
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#define GL_ONE 1
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#define GL_SRC_ALPHA 0x0302
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#define GL_ONE_MINUS_SRC_ALPHA 0x0303
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#define GL_FRONT_AND_BACK 0x0408
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#define GL_POLYGON_MODE 0x0B40
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#define GL_CULL_FACE 0x0B44
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#define GL_DEPTH_TEST 0x0B71
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#define GL_STENCIL_TEST 0x0B90
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#define GL_VIEWPORT 0x0BA2
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#define GL_BLEND 0x0BE2
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#define GL_SCISSOR_BOX 0x0C10
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#define GL_SCISSOR_TEST 0x0C11
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#define GL_UNPACK_ROW_LENGTH 0x0CF2
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#define GL_TEXTURE_2D 0x0DE1
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#define GL_UNSIGNED_BYTE 0x1401
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#define GL_UNSIGNED_SHORT 0x1403
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#define GL_UNSIGNED_INT 0x1405
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#define GL_FLOAT 0x1406
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#define GL_RGBA 0x1908
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#define GL_FILL 0x1B02
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#define GL_VERSION 0x1F02
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#define GL_EXTENSIONS 0x1F03
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#define GL_LINEAR 0x2601
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#define GL_TEXTURE_MAG_FILTER 0x2800
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#define GL_TEXTURE_MIN_FILTER 0x2801
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typedef void (APIENTRYP PFNGLPOLYGONMODEPROC) (GLenum face, GLenum mode);
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typedef void (APIENTRYP PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
|
||||||
|
typedef void (APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
|
||||||
|
typedef void (APIENTRYP PFNGLTEXIMAGE2DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
|
||||||
|
typedef void (APIENTRYP PFNGLCLEARPROC) (GLbitfield mask);
|
||||||
|
typedef void (APIENTRYP PFNGLCLEARCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
|
||||||
|
typedef void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
|
||||||
|
typedef void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
|
||||||
|
typedef void (APIENTRYP PFNGLPIXELSTOREIPROC) (GLenum pname, GLint param);
|
||||||
|
typedef void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *data);
|
||||||
|
typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
|
||||||
|
typedef GLboolean (APIENTRYP PFNGLISENABLEDPROC) (GLenum cap);
|
||||||
|
typedef void (APIENTRYP PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glPolygonMode (GLenum face, GLenum mode);
|
||||||
|
GLAPI void APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
|
||||||
|
GLAPI void APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param);
|
||||||
|
GLAPI void APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
|
||||||
|
GLAPI void APIENTRY glClear (GLbitfield mask);
|
||||||
|
GLAPI void APIENTRY glClearColor (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
|
||||||
|
GLAPI void APIENTRY glDisable (GLenum cap);
|
||||||
|
GLAPI void APIENTRY glEnable (GLenum cap);
|
||||||
|
GLAPI void APIENTRY glPixelStorei (GLenum pname, GLint param);
|
||||||
|
GLAPI void APIENTRY glGetIntegerv (GLenum pname, GLint *data);
|
||||||
|
GLAPI const GLubyte *APIENTRY glGetString (GLenum name);
|
||||||
|
GLAPI GLboolean APIENTRY glIsEnabled (GLenum cap);
|
||||||
|
GLAPI void APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_1_0 */
|
||||||
|
#ifndef GL_VERSION_1_1
|
||||||
|
typedef khronos_float_t GLclampf;
|
||||||
|
typedef double GLclampd;
|
||||||
|
#define GL_TEXTURE_BINDING_2D 0x8069
|
||||||
|
typedef void (APIENTRYP PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices);
|
||||||
|
typedef void (APIENTRYP PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture);
|
||||||
|
typedef void (APIENTRYP PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint *textures);
|
||||||
|
typedef void (APIENTRYP PFNGLGENTEXTURESPROC) (GLsizei n, GLuint *textures);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const void *indices);
|
||||||
|
GLAPI void APIENTRY glBindTexture (GLenum target, GLuint texture);
|
||||||
|
GLAPI void APIENTRY glDeleteTextures (GLsizei n, const GLuint *textures);
|
||||||
|
GLAPI void APIENTRY glGenTextures (GLsizei n, GLuint *textures);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_1_1 */
|
||||||
|
#ifndef GL_VERSION_1_3
|
||||||
|
#define GL_TEXTURE0 0x84C0
|
||||||
|
#define GL_ACTIVE_TEXTURE 0x84E0
|
||||||
|
typedef void (APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glActiveTexture (GLenum texture);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_1_3 */
|
||||||
|
#ifndef GL_VERSION_1_4
|
||||||
|
#define GL_BLEND_DST_RGB 0x80C8
|
||||||
|
#define GL_BLEND_SRC_RGB 0x80C9
|
||||||
|
#define GL_BLEND_DST_ALPHA 0x80CA
|
||||||
|
#define GL_BLEND_SRC_ALPHA 0x80CB
|
||||||
|
#define GL_FUNC_ADD 0x8006
|
||||||
|
typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
|
||||||
|
typedef void (APIENTRYP PFNGLBLENDEQUATIONPROC) (GLenum mode);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glBlendFuncSeparate (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
|
||||||
|
GLAPI void APIENTRY glBlendEquation (GLenum mode);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_1_4 */
|
||||||
|
#ifndef GL_VERSION_1_5
|
||||||
|
typedef khronos_ssize_t GLsizeiptr;
|
||||||
|
typedef khronos_intptr_t GLintptr;
|
||||||
|
#define GL_ARRAY_BUFFER 0x8892
|
||||||
|
#define GL_ELEMENT_ARRAY_BUFFER 0x8893
|
||||||
|
#define GL_ARRAY_BUFFER_BINDING 0x8894
|
||||||
|
#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895
|
||||||
|
#define GL_STREAM_DRAW 0x88E0
|
||||||
|
typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
|
||||||
|
typedef void (APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers);
|
||||||
|
typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
|
||||||
|
typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glBindBuffer (GLenum target, GLuint buffer);
|
||||||
|
GLAPI void APIENTRY glDeleteBuffers (GLsizei n, const GLuint *buffers);
|
||||||
|
GLAPI void APIENTRY glGenBuffers (GLsizei n, GLuint *buffers);
|
||||||
|
GLAPI void APIENTRY glBufferData (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_1_5 */
|
||||||
|
#ifndef GL_VERSION_2_0
|
||||||
|
typedef char GLchar;
|
||||||
|
typedef khronos_int16_t GLshort;
|
||||||
|
typedef khronos_int8_t GLbyte;
|
||||||
|
typedef khronos_uint16_t GLushort;
|
||||||
|
#define GL_BLEND_EQUATION_RGB 0x8009
|
||||||
|
#define GL_BLEND_EQUATION_ALPHA 0x883D
|
||||||
|
#define GL_FRAGMENT_SHADER 0x8B30
|
||||||
|
#define GL_VERTEX_SHADER 0x8B31
|
||||||
|
#define GL_COMPILE_STATUS 0x8B81
|
||||||
|
#define GL_LINK_STATUS 0x8B82
|
||||||
|
#define GL_INFO_LOG_LENGTH 0x8B84
|
||||||
|
#define GL_CURRENT_PROGRAM 0x8B8D
|
||||||
|
#define GL_UPPER_LEFT 0x8CA2
|
||||||
|
typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum modeRGB, GLenum modeAlpha);
|
||||||
|
typedef void (APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
|
||||||
|
typedef void (APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
|
||||||
|
typedef GLuint (APIENTRYP PFNGLCREATEPROGRAMPROC) (void);
|
||||||
|
typedef GLuint (APIENTRYP PFNGLCREATESHADERPROC) (GLenum type);
|
||||||
|
typedef void (APIENTRYP PFNGLDELETEPROGRAMPROC) (GLuint program);
|
||||||
|
typedef void (APIENTRYP PFNGLDELETESHADERPROC) (GLuint shader);
|
||||||
|
typedef void (APIENTRYP PFNGLDETACHSHADERPROC) (GLuint program, GLuint shader);
|
||||||
|
typedef void (APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
|
||||||
|
typedef GLint (APIENTRYP PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name);
|
||||||
|
typedef void (APIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params);
|
||||||
|
typedef void (APIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
|
||||||
|
typedef void (APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params);
|
||||||
|
typedef void (APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
|
||||||
|
typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name);
|
||||||
|
typedef void (APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
|
||||||
|
typedef void (APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
|
||||||
|
typedef void (APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program);
|
||||||
|
typedef void (APIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint v0);
|
||||||
|
typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
|
||||||
|
typedef void (APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha);
|
||||||
|
GLAPI void APIENTRY glAttachShader (GLuint program, GLuint shader);
|
||||||
|
GLAPI void APIENTRY glCompileShader (GLuint shader);
|
||||||
|
GLAPI GLuint APIENTRY glCreateProgram (void);
|
||||||
|
GLAPI GLuint APIENTRY glCreateShader (GLenum type);
|
||||||
|
GLAPI void APIENTRY glDeleteProgram (GLuint program);
|
||||||
|
GLAPI void APIENTRY glDeleteShader (GLuint shader);
|
||||||
|
GLAPI void APIENTRY glDetachShader (GLuint program, GLuint shader);
|
||||||
|
GLAPI void APIENTRY glEnableVertexAttribArray (GLuint index);
|
||||||
|
GLAPI GLint APIENTRY glGetAttribLocation (GLuint program, const GLchar *name);
|
||||||
|
GLAPI void APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint *params);
|
||||||
|
GLAPI void APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
|
||||||
|
GLAPI void APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint *params);
|
||||||
|
GLAPI void APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
|
||||||
|
GLAPI GLint APIENTRY glGetUniformLocation (GLuint program, const GLchar *name);
|
||||||
|
GLAPI void APIENTRY glLinkProgram (GLuint program);
|
||||||
|
GLAPI void APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
|
||||||
|
GLAPI void APIENTRY glUseProgram (GLuint program);
|
||||||
|
GLAPI void APIENTRY glUniform1i (GLint location, GLint v0);
|
||||||
|
GLAPI void APIENTRY glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
|
||||||
|
GLAPI void APIENTRY glVertexAttribPointer (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_2_0 */
|
||||||
|
#ifndef GL_VERSION_3_0
|
||||||
|
typedef khronos_uint16_t GLhalf;
|
||||||
|
#define GL_MAJOR_VERSION 0x821B
|
||||||
|
#define GL_MINOR_VERSION 0x821C
|
||||||
|
#define GL_NUM_EXTENSIONS 0x821D
|
||||||
|
#define GL_VERTEX_ARRAY_BINDING 0x85B5
|
||||||
|
typedef void (APIENTRYP PFNGLGETBOOLEANI_VPROC) (GLenum target, GLuint index, GLboolean *data);
|
||||||
|
typedef void (APIENTRYP PFNGLGETINTEGERI_VPROC) (GLenum target, GLuint index, GLint *data);
|
||||||
|
typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGIPROC) (GLenum name, GLuint index);
|
||||||
|
typedef void (APIENTRYP PFNGLBINDVERTEXARRAYPROC) (GLuint array);
|
||||||
|
typedef void (APIENTRYP PFNGLDELETEVERTEXARRAYSPROC) (GLsizei n, const GLuint *arrays);
|
||||||
|
typedef void (APIENTRYP PFNGLGENVERTEXARRAYSPROC) (GLsizei n, GLuint *arrays);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI const GLubyte *APIENTRY glGetStringi (GLenum name, GLuint index);
|
||||||
|
GLAPI void APIENTRY glBindVertexArray (GLuint array);
|
||||||
|
GLAPI void APIENTRY glDeleteVertexArrays (GLsizei n, const GLuint *arrays);
|
||||||
|
GLAPI void APIENTRY glGenVertexArrays (GLsizei n, GLuint *arrays);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_3_0 */
|
||||||
|
#ifndef GL_VERSION_3_1
|
||||||
|
#define GL_VERSION_3_1 1
|
||||||
|
#define GL_PRIMITIVE_RESTART 0x8F9D
|
||||||
|
#endif /* GL_VERSION_3_1 */
|
||||||
|
#ifndef GL_VERSION_3_2
|
||||||
|
#define GL_VERSION_3_2 1
|
||||||
|
typedef struct __GLsync *GLsync;
|
||||||
|
typedef khronos_uint64_t GLuint64;
|
||||||
|
typedef khronos_int64_t GLint64;
|
||||||
|
typedef void (APIENTRYP PFNGLDRAWELEMENTSBASEVERTEXPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex);
|
||||||
|
typedef void (APIENTRYP PFNGLGETINTEGER64I_VPROC) (GLenum target, GLuint index, GLint64 *data);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glDrawElementsBaseVertex (GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_3_2 */
|
||||||
|
#ifndef GL_VERSION_3_3
|
||||||
|
#define GL_VERSION_3_3 1
|
||||||
|
#define GL_SAMPLER_BINDING 0x8919
|
||||||
|
typedef void (APIENTRYP PFNGLBINDSAMPLERPROC) (GLuint unit, GLuint sampler);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glBindSampler (GLuint unit, GLuint sampler);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_3_3 */
|
||||||
|
#ifndef GL_VERSION_4_1
|
||||||
|
typedef void (APIENTRYP PFNGLGETFLOATI_VPROC) (GLenum target, GLuint index, GLfloat *data);
|
||||||
|
typedef void (APIENTRYP PFNGLGETDOUBLEI_VPROC) (GLenum target, GLuint index, GLdouble *data);
|
||||||
|
#endif /* GL_VERSION_4_1 */
|
||||||
|
#ifndef GL_VERSION_4_3
|
||||||
|
typedef void (APIENTRY *GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
|
||||||
|
#endif /* GL_VERSION_4_3 */
|
||||||
|
#ifndef GL_VERSION_4_5
|
||||||
|
#define GL_CLIP_ORIGIN 0x935C
|
||||||
|
typedef void (APIENTRYP PFNGLCLIPCONTROLPROC) (GLenum origin, GLenum depth);
|
||||||
|
typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKI_VPROC) (GLuint xfb, GLenum pname, GLuint index, GLint *param);
|
||||||
|
typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKI64_VPROC) (GLuint xfb, GLenum pname, GLuint index, GLint64 *param);
|
||||||
|
#ifdef GL_GLEXT_PROTOTYPES
|
||||||
|
GLAPI void APIENTRY glClipControl (GLenum origin, GLenum depth);
|
||||||
|
#endif
|
||||||
|
#endif /* GL_VERSION_4_5 */
|
||||||
|
#ifndef GL_ARB_bindless_texture
|
||||||
|
typedef khronos_uint64_t GLuint64EXT;
|
||||||
|
#endif /* GL_ARB_bindless_texture */
|
||||||
|
#ifndef GL_ARB_cl_event
|
||||||
|
struct _cl_context;
|
||||||
|
struct _cl_event;
|
||||||
|
#endif /* GL_ARB_cl_event */
|
||||||
|
#ifndef GL_ARB_clip_control
|
||||||
|
#define GL_ARB_clip_control 1
|
||||||
|
#endif /* GL_ARB_clip_control */
|
||||||
|
#ifndef GL_ARB_debug_output
|
||||||
|
typedef void (APIENTRY *GLDEBUGPROCARB)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
|
||||||
|
#endif /* GL_ARB_debug_output */
|
||||||
|
#ifndef GL_EXT_EGL_image_storage
|
||||||
|
typedef void *GLeglImageOES;
|
||||||
|
#endif /* GL_EXT_EGL_image_storage */
|
||||||
|
#ifndef GL_EXT_direct_state_access
|
||||||
|
typedef void (APIENTRYP PFNGLGETFLOATI_VEXTPROC) (GLenum pname, GLuint index, GLfloat *params);
|
||||||
|
typedef void (APIENTRYP PFNGLGETDOUBLEI_VEXTPROC) (GLenum pname, GLuint index, GLdouble *params);
|
||||||
|
typedef void (APIENTRYP PFNGLGETPOINTERI_VEXTPROC) (GLenum pname, GLuint index, void **params);
|
||||||
|
typedef void (APIENTRYP PFNGLGETVERTEXARRAYINTEGERI_VEXTPROC) (GLuint vaobj, GLuint index, GLenum pname, GLint *param);
|
||||||
|
typedef void (APIENTRYP PFNGLGETVERTEXARRAYPOINTERI_VEXTPROC) (GLuint vaobj, GLuint index, GLenum pname, void **param);
|
||||||
|
#endif /* GL_EXT_direct_state_access */
|
||||||
|
#ifndef GL_NV_draw_vulkan_image
|
||||||
|
typedef void (APIENTRY *GLVULKANPROCNV)(void);
|
||||||
|
#endif /* GL_NV_draw_vulkan_image */
|
||||||
|
#ifndef GL_NV_gpu_shader5
|
||||||
|
typedef khronos_int64_t GLint64EXT;
|
||||||
|
#endif /* GL_NV_gpu_shader5 */
|
||||||
|
#ifndef GL_NV_vertex_buffer_unified_memory
|
||||||
|
typedef void (APIENTRYP PFNGLGETINTEGERUI64I_VNVPROC) (GLenum value, GLuint index, GLuint64EXT *result);
|
||||||
|
#endif /* GL_NV_vertex_buffer_unified_memory */
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef GL3W_API
|
||||||
|
#define GL3W_API
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef __gl_h_
|
||||||
|
#define __gl_h_
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define GL3W_OK 0
|
||||||
|
#define GL3W_ERROR_INIT -1
|
||||||
|
#define GL3W_ERROR_LIBRARY_OPEN -2
|
||||||
|
#define GL3W_ERROR_OPENGL_VERSION -3
|
||||||
|
|
||||||
|
typedef void (*GL3WglProc)(void);
|
||||||
|
typedef GL3WglProc (*GL3WGetProcAddressProc)(const char *proc);
|
||||||
|
|
||||||
|
/* gl3w api */
|
||||||
|
GL3W_API int imgl3wInit(void);
|
||||||
|
GL3W_API int imgl3wInit2(GL3WGetProcAddressProc proc);
|
||||||
|
GL3W_API int imgl3wIsSupported(int major, int minor);
|
||||||
|
GL3W_API GL3WglProc imgl3wGetProcAddress(const char *proc);
|
||||||
|
|
||||||
|
/* gl3w internal state */
|
||||||
|
union GL3WProcs {
|
||||||
|
GL3WglProc ptr[52];
|
||||||
|
struct {
|
||||||
|
PFNGLACTIVETEXTUREPROC ActiveTexture;
|
||||||
|
PFNGLATTACHSHADERPROC AttachShader;
|
||||||
|
PFNGLBINDBUFFERPROC BindBuffer;
|
||||||
|
PFNGLBINDSAMPLERPROC BindSampler;
|
||||||
|
PFNGLBINDTEXTUREPROC BindTexture;
|
||||||
|
PFNGLBINDVERTEXARRAYPROC BindVertexArray;
|
||||||
|
PFNGLBLENDEQUATIONPROC BlendEquation;
|
||||||
|
PFNGLBLENDEQUATIONSEPARATEPROC BlendEquationSeparate;
|
||||||
|
PFNGLBLENDFUNCSEPARATEPROC BlendFuncSeparate;
|
||||||
|
PFNGLBUFFERDATAPROC BufferData;
|
||||||
|
PFNGLCLEARPROC Clear;
|
||||||
|
PFNGLCLEARCOLORPROC ClearColor;
|
||||||
|
PFNGLCLIPCONTROLPROC ClipControl;
|
||||||
|
PFNGLCOMPILESHADERPROC CompileShader;
|
||||||
|
PFNGLCREATEPROGRAMPROC CreateProgram;
|
||||||
|
PFNGLCREATESHADERPROC CreateShader;
|
||||||
|
PFNGLDELETEBUFFERSPROC DeleteBuffers;
|
||||||
|
PFNGLDELETEPROGRAMPROC DeleteProgram;
|
||||||
|
PFNGLDELETESHADERPROC DeleteShader;
|
||||||
|
PFNGLDELETETEXTURESPROC DeleteTextures;
|
||||||
|
PFNGLDELETEVERTEXARRAYSPROC DeleteVertexArrays;
|
||||||
|
PFNGLDETACHSHADERPROC DetachShader;
|
||||||
|
PFNGLDISABLEPROC Disable;
|
||||||
|
PFNGLDRAWELEMENTSPROC DrawElements;
|
||||||
|
PFNGLDRAWELEMENTSBASEVERTEXPROC DrawElementsBaseVertex;
|
||||||
|
PFNGLENABLEPROC Enable;
|
||||||
|
PFNGLENABLEVERTEXATTRIBARRAYPROC EnableVertexAttribArray;
|
||||||
|
PFNGLGENBUFFERSPROC GenBuffers;
|
||||||
|
PFNGLGENTEXTURESPROC GenTextures;
|
||||||
|
PFNGLGENVERTEXARRAYSPROC GenVertexArrays;
|
||||||
|
PFNGLGETATTRIBLOCATIONPROC GetAttribLocation;
|
||||||
|
PFNGLGETINTEGERVPROC GetIntegerv;
|
||||||
|
PFNGLGETPROGRAMINFOLOGPROC GetProgramInfoLog;
|
||||||
|
PFNGLGETPROGRAMIVPROC GetProgramiv;
|
||||||
|
PFNGLGETSHADERINFOLOGPROC GetShaderInfoLog;
|
||||||
|
PFNGLGETSHADERIVPROC GetShaderiv;
|
||||||
|
PFNGLGETSTRINGPROC GetString;
|
||||||
|
PFNGLGETSTRINGIPROC GetStringi;
|
||||||
|
PFNGLGETUNIFORMLOCATIONPROC GetUniformLocation;
|
||||||
|
PFNGLISENABLEDPROC IsEnabled;
|
||||||
|
PFNGLLINKPROGRAMPROC LinkProgram;
|
||||||
|
PFNGLPIXELSTOREIPROC PixelStorei;
|
||||||
|
PFNGLPOLYGONMODEPROC PolygonMode;
|
||||||
|
PFNGLSCISSORPROC Scissor;
|
||||||
|
PFNGLSHADERSOURCEPROC ShaderSource;
|
||||||
|
PFNGLTEXIMAGE2DPROC TexImage2D;
|
||||||
|
PFNGLTEXPARAMETERIPROC TexParameteri;
|
||||||
|
PFNGLUNIFORM1IPROC Uniform1i;
|
||||||
|
PFNGLUNIFORMMATRIX4FVPROC UniformMatrix4fv;
|
||||||
|
PFNGLUSEPROGRAMPROC UseProgram;
|
||||||
|
PFNGLVERTEXATTRIBPOINTERPROC VertexAttribPointer;
|
||||||
|
PFNGLVIEWPORTPROC Viewport;
|
||||||
|
} gl;
|
||||||
|
};
|
||||||
|
|
||||||
|
GL3W_API extern union GL3WProcs gl3wProcs;
|
||||||
|
|
||||||
|
/* OpenGL functions */
|
||||||
|
#define glActiveTexture gl3wProcs.gl.ActiveTexture
|
||||||
|
#define glAttachShader gl3wProcs.gl.AttachShader
|
||||||
|
#define glBindBuffer gl3wProcs.gl.BindBuffer
|
||||||
|
#define glBindSampler gl3wProcs.gl.BindSampler
|
||||||
|
#define glBindTexture gl3wProcs.gl.BindTexture
|
||||||
|
#define glBindVertexArray gl3wProcs.gl.BindVertexArray
|
||||||
|
#define glBlendEquation gl3wProcs.gl.BlendEquation
|
||||||
|
#define glBlendEquationSeparate gl3wProcs.gl.BlendEquationSeparate
|
||||||
|
#define glBlendFuncSeparate gl3wProcs.gl.BlendFuncSeparate
|
||||||
|
#define glBufferData gl3wProcs.gl.BufferData
|
||||||
|
#define glClear gl3wProcs.gl.Clear
|
||||||
|
#define glClearColor gl3wProcs.gl.ClearColor
|
||||||
|
#define glClipControl gl3wProcs.gl.ClipControl
|
||||||
|
#define glCompileShader gl3wProcs.gl.CompileShader
|
||||||
|
#define glCreateProgram gl3wProcs.gl.CreateProgram
|
||||||
|
#define glCreateShader gl3wProcs.gl.CreateShader
|
||||||
|
#define glDeleteBuffers gl3wProcs.gl.DeleteBuffers
|
||||||
|
#define glDeleteProgram gl3wProcs.gl.DeleteProgram
|
||||||
|
#define glDeleteShader gl3wProcs.gl.DeleteShader
|
||||||
|
#define glDeleteTextures gl3wProcs.gl.DeleteTextures
|
||||||
|
#define glDeleteVertexArrays gl3wProcs.gl.DeleteVertexArrays
|
||||||
|
#define glDetachShader gl3wProcs.gl.DetachShader
|
||||||
|
#define glDisable gl3wProcs.gl.Disable
|
||||||
|
#define glDrawElements gl3wProcs.gl.DrawElements
|
||||||
|
#define glDrawElementsBaseVertex gl3wProcs.gl.DrawElementsBaseVertex
|
||||||
|
#define glEnable gl3wProcs.gl.Enable
|
||||||
|
#define glEnableVertexAttribArray gl3wProcs.gl.EnableVertexAttribArray
|
||||||
|
#define glGenBuffers gl3wProcs.gl.GenBuffers
|
||||||
|
#define glGenTextures gl3wProcs.gl.GenTextures
|
||||||
|
#define glGenVertexArrays gl3wProcs.gl.GenVertexArrays
|
||||||
|
#define glGetAttribLocation gl3wProcs.gl.GetAttribLocation
|
||||||
|
#define glGetIntegerv gl3wProcs.gl.GetIntegerv
|
||||||
|
#define glGetProgramInfoLog gl3wProcs.gl.GetProgramInfoLog
|
||||||
|
#define glGetProgramiv gl3wProcs.gl.GetProgramiv
|
||||||
|
#define glGetShaderInfoLog gl3wProcs.gl.GetShaderInfoLog
|
||||||
|
#define glGetShaderiv gl3wProcs.gl.GetShaderiv
|
||||||
|
#define glGetString gl3wProcs.gl.GetString
|
||||||
|
#define glGetStringi gl3wProcs.gl.GetStringi
|
||||||
|
#define glGetUniformLocation gl3wProcs.gl.GetUniformLocation
|
||||||
|
#define glIsEnabled gl3wProcs.gl.IsEnabled
|
||||||
|
#define glLinkProgram gl3wProcs.gl.LinkProgram
|
||||||
|
#define glPixelStorei gl3wProcs.gl.PixelStorei
|
||||||
|
#define glPolygonMode gl3wProcs.gl.PolygonMode
|
||||||
|
#define glScissor gl3wProcs.gl.Scissor
|
||||||
|
#define glShaderSource gl3wProcs.gl.ShaderSource
|
||||||
|
#define glTexImage2D gl3wProcs.gl.TexImage2D
|
||||||
|
#define glTexParameteri gl3wProcs.gl.TexParameteri
|
||||||
|
#define glUniform1i gl3wProcs.gl.Uniform1i
|
||||||
|
#define glUniformMatrix4fv gl3wProcs.gl.UniformMatrix4fv
|
||||||
|
#define glUseProgram gl3wProcs.gl.UseProgram
|
||||||
|
#define glVertexAttribPointer gl3wProcs.gl.VertexAttribPointer
|
||||||
|
#define glViewport gl3wProcs.gl.Viewport
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef IMGL3W_IMPL
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
||||||
|
|
||||||
|
#if defined(_WIN32)
|
||||||
|
#ifndef WIN32_LEAN_AND_MEAN
|
||||||
|
#define WIN32_LEAN_AND_MEAN 1
|
||||||
|
#endif
|
||||||
|
#include <windows.h>
|
||||||
|
|
||||||
|
static HMODULE libgl;
|
||||||
|
typedef PROC(__stdcall* GL3WglGetProcAddr)(LPCSTR);
|
||||||
|
static GL3WglGetProcAddr wgl_get_proc_address;
|
||||||
|
|
||||||
|
static int open_libgl(void)
|
||||||
|
{
|
||||||
|
libgl = LoadLibraryA("opengl32.dll");
|
||||||
|
if (!libgl)
|
||||||
|
return GL3W_ERROR_LIBRARY_OPEN;
|
||||||
|
wgl_get_proc_address = (GL3WglGetProcAddr)GetProcAddress(libgl, "wglGetProcAddress");
|
||||||
|
return GL3W_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void close_libgl(void) { FreeLibrary(libgl); }
|
||||||
|
static GL3WglProc get_proc(const char *proc)
|
||||||
|
{
|
||||||
|
GL3WglProc res;
|
||||||
|
res = (GL3WglProc)wgl_get_proc_address(proc);
|
||||||
|
if (!res)
|
||||||
|
res = (GL3WglProc)GetProcAddress(libgl, proc);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
#elif defined(__APPLE__)
|
||||||
|
#include <dlfcn.h>
|
||||||
|
|
||||||
|
static void *libgl;
|
||||||
|
static int open_libgl(void)
|
||||||
|
{
|
||||||
|
libgl = dlopen("/System/Library/Frameworks/OpenGL.framework/OpenGL", RTLD_LAZY | RTLD_LOCAL);
|
||||||
|
if (!libgl)
|
||||||
|
return GL3W_ERROR_LIBRARY_OPEN;
|
||||||
|
return GL3W_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void close_libgl(void) { dlclose(libgl); }
|
||||||
|
|
||||||
|
static GL3WglProc get_proc(const char *proc)
|
||||||
|
{
|
||||||
|
GL3WglProc res;
|
||||||
|
*(void **)(&res) = dlsym(libgl, proc);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
#include <dlfcn.h>
|
||||||
|
|
||||||
|
static void *libgl;
|
||||||
|
static GL3WglProc (*glx_get_proc_address)(const GLubyte *);
|
||||||
|
|
||||||
|
static int open_libgl(void)
|
||||||
|
{
|
||||||
|
libgl = dlopen("libGL.so.1", RTLD_LAZY | RTLD_LOCAL);
|
||||||
|
if (!libgl)
|
||||||
|
return GL3W_ERROR_LIBRARY_OPEN;
|
||||||
|
*(void **)(&glx_get_proc_address) = dlsym(libgl, "glXGetProcAddressARB");
|
||||||
|
return GL3W_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void close_libgl(void) { dlclose(libgl); }
|
||||||
|
|
||||||
|
static GL3WglProc get_proc(const char *proc)
|
||||||
|
{
|
||||||
|
GL3WglProc res;
|
||||||
|
res = glx_get_proc_address((const GLubyte *)proc);
|
||||||
|
if (!res)
|
||||||
|
*(void **)(&res) = dlsym(libgl, proc);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static struct { int major, minor; } version;
|
||||||
|
|
||||||
|
static int parse_version(void)
|
||||||
|
{
|
||||||
|
if (!glGetIntegerv)
|
||||||
|
return GL3W_ERROR_INIT;
|
||||||
|
glGetIntegerv(GL_MAJOR_VERSION, &version.major);
|
||||||
|
glGetIntegerv(GL_MINOR_VERSION, &version.minor);
|
||||||
|
if (version.major < 3)
|
||||||
|
return GL3W_ERROR_OPENGL_VERSION;
|
||||||
|
return GL3W_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void load_procs(GL3WGetProcAddressProc proc);
|
||||||
|
|
||||||
|
int imgl3wInit(void)
|
||||||
|
{
|
||||||
|
int res = open_libgl();
|
||||||
|
if (res)
|
||||||
|
return res;
|
||||||
|
atexit(close_libgl);
|
||||||
|
return imgl3wInit2(get_proc);
|
||||||
|
}
|
||||||
|
|
||||||
|
int imgl3wInit2(GL3WGetProcAddressProc proc)
|
||||||
|
{
|
||||||
|
load_procs(proc);
|
||||||
|
return parse_version();
|
||||||
|
}
|
||||||
|
|
||||||
|
int imgl3wIsSupported(int major, int minor)
|
||||||
|
{
|
||||||
|
if (major < 3)
|
||||||
|
return 0;
|
||||||
|
if (version.major == major)
|
||||||
|
return version.minor >= minor;
|
||||||
|
return version.major >= major;
|
||||||
|
}
|
||||||
|
|
||||||
|
GL3WglProc imgl3wGetProcAddress(const char *proc) { return get_proc(proc); }
|
||||||
|
|
||||||
|
static const char *proc_names[] = {
|
||||||
|
"glActiveTexture",
|
||||||
|
"glAttachShader",
|
||||||
|
"glBindBuffer",
|
||||||
|
"glBindSampler",
|
||||||
|
"glBindTexture",
|
||||||
|
"glBindVertexArray",
|
||||||
|
"glBlendEquation",
|
||||||
|
"glBlendEquationSeparate",
|
||||||
|
"glBlendFuncSeparate",
|
||||||
|
"glBufferData",
|
||||||
|
"glClear",
|
||||||
|
"glClearColor",
|
||||||
|
"glClipControl",
|
||||||
|
"glCompileShader",
|
||||||
|
"glCreateProgram",
|
||||||
|
"glCreateShader",
|
||||||
|
"glDeleteBuffers",
|
||||||
|
"glDeleteProgram",
|
||||||
|
"glDeleteShader",
|
||||||
|
"glDeleteTextures",
|
||||||
|
"glDeleteVertexArrays",
|
||||||
|
"glDetachShader",
|
||||||
|
"glDisable",
|
||||||
|
"glDrawElements",
|
||||||
|
"glDrawElementsBaseVertex",
|
||||||
|
"glEnable",
|
||||||
|
"glEnableVertexAttribArray",
|
||||||
|
"glGenBuffers",
|
||||||
|
"glGenTextures",
|
||||||
|
"glGenVertexArrays",
|
||||||
|
"glGetAttribLocation",
|
||||||
|
"glGetIntegerv",
|
||||||
|
"glGetProgramInfoLog",
|
||||||
|
"glGetProgramiv",
|
||||||
|
"glGetShaderInfoLog",
|
||||||
|
"glGetShaderiv",
|
||||||
|
"glGetString",
|
||||||
|
"glGetStringi",
|
||||||
|
"glGetUniformLocation",
|
||||||
|
"glIsEnabled",
|
||||||
|
"glLinkProgram",
|
||||||
|
"glPixelStorei",
|
||||||
|
"glPolygonMode",
|
||||||
|
"glScissor",
|
||||||
|
"glShaderSource",
|
||||||
|
"glTexImage2D",
|
||||||
|
"glTexParameteri",
|
||||||
|
"glUniform1i",
|
||||||
|
"glUniformMatrix4fv",
|
||||||
|
"glUseProgram",
|
||||||
|
"glVertexAttribPointer",
|
||||||
|
"glViewport",
|
||||||
|
};
|
||||||
|
|
||||||
|
GL3W_API union GL3WProcs gl3wProcs;
|
||||||
|
|
||||||
|
static void load_procs(GL3WGetProcAddressProc proc)
|
||||||
|
{
|
||||||
|
size_t i;
|
||||||
|
for (i = 0; i < ARRAY_SIZE(proc_names); i++)
|
||||||
|
gl3wProcs.ptr[i] = proc(proc_names[i]);
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
@ -130,6 +130,9 @@ Other Changes:
|
|||||||
Other OSX examples were not affected. (#4253, #1873) [@rokups]
|
Other OSX examples were not affected. (#4253, #1873) [@rokups]
|
||||||
- Examples: Updated all .vcxproj to VS2015 (toolset v140) to facilitate usage with vcpkg.
|
- Examples: Updated all .vcxproj to VS2015 (toolset v140) to facilitate usage with vcpkg.
|
||||||
- Examples: SDL2: Accomodate for vcpkg install having headers in SDL2/SDL.h vs SDL.h.
|
- Examples: SDL2: Accomodate for vcpkg install having headers in SDL2/SDL.h vs SDL.h.
|
||||||
|
- Examples: OpenGL3+GLFW/SDL: Added minimal OpenGL loader imgui_impl_opengl3_loader.h and use it in OpenGL3 backend.
|
||||||
|
Support for using custom OpenGL loader in the backend is removed, IMGUI_IMPL_OPENGL_LOADER_XX (except ES2/ES3) are
|
||||||
|
no longer used. [@rokups]
|
||||||
|
|
||||||
|
|
||||||
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
||||||
|
|||||||
@ -31,35 +31,6 @@ LIBS =
|
|||||||
## OPENGL LOADER / OPENGL ES
|
## OPENGL LOADER / OPENGL ES
|
||||||
##---------------------------------------------------------------------
|
##---------------------------------------------------------------------
|
||||||
|
|
||||||
## See below for OpenGL ES option (no loader required) - comment out
|
|
||||||
## the following if you want to use OpenGL ES instead of Desktop GL.
|
|
||||||
|
|
||||||
## Using OpenGL loader: gl3w [default]
|
|
||||||
SOURCES += ../libs/gl3w/GL/gl3w.c
|
|
||||||
CXXFLAGS += -I../libs/gl3w -DIMGUI_IMPL_OPENGL_LOADER_GL3W
|
|
||||||
|
|
||||||
## Using OpenGL loader: glew
|
|
||||||
## (This assumes a system-wide installation)
|
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLEW
|
|
||||||
# LIBS += -lGLEW
|
|
||||||
|
|
||||||
## Using OpenGL loader: glad
|
|
||||||
# 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)
|
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLBINDING3
|
|
||||||
# LIBS += -lglbinding
|
|
||||||
## or the older version 2.x
|
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLBINDING2
|
|
||||||
# LIBS += -lglbinding
|
|
||||||
|
|
||||||
## Using OpenGL ES, no loader required
|
## Using OpenGL ES, no loader required
|
||||||
## This assumes a GL ES library available in the system, e.g. libGLESv2.so
|
## This assumes a GL ES library available in the system, e.g. libGLESv2.so
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
|
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
|
||||||
|
|||||||
@ -90,7 +90,7 @@
|
|||||||
<ClCompile>
|
<ClCompile>
|
||||||
<WarningLevel>Level4</WarningLevel>
|
<WarningLevel>Level4</WarningLevel>
|
||||||
<Optimization>Disabled</Optimization>
|
<Optimization>Disabled</Optimization>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||||
@ -104,7 +104,7 @@
|
|||||||
<ClCompile>
|
<ClCompile>
|
||||||
<WarningLevel>Level4</WarningLevel>
|
<WarningLevel>Level4</WarningLevel>
|
||||||
<Optimization>Disabled</Optimization>
|
<Optimization>Disabled</Optimization>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||||
@ -120,7 +120,7 @@
|
|||||||
<Optimization>MaxSpeed</Optimization>
|
<Optimization>MaxSpeed</Optimization>
|
||||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
@ -140,7 +140,7 @@
|
|||||||
<Optimization>MaxSpeed</Optimization>
|
<Optimization>MaxSpeed</Optimization>
|
||||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
@ -162,7 +162,6 @@
|
|||||||
<ClCompile Include="..\..\imgui_widgets.cpp" />
|
<ClCompile Include="..\..\imgui_widgets.cpp" />
|
||||||
<ClCompile Include="..\..\backends\imgui_impl_glfw.cpp" />
|
<ClCompile Include="..\..\backends\imgui_impl_glfw.cpp" />
|
||||||
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" />
|
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" />
|
||||||
<ClCompile Include="..\libs\gl3w\GL\gl3w.c" />
|
|
||||||
<ClCompile Include="main.cpp" />
|
<ClCompile Include="main.cpp" />
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
@ -171,8 +170,7 @@
|
|||||||
<ClInclude Include="..\..\imgui_internal.h" />
|
<ClInclude Include="..\..\imgui_internal.h" />
|
||||||
<ClInclude Include="..\..\backends\imgui_impl_glfw.h" />
|
<ClInclude Include="..\..\backends\imgui_impl_glfw.h" />
|
||||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h" />
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h" />
|
||||||
<ClInclude Include="..\libs\gl3w\GL\gl3w.h" />
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h" />
|
||||||
<ClInclude Include="..\libs\gl3w\GL\glcorearb.h" />
|
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
<None Include="..\..\misc\debuggers\imgui.natvis" />
|
<None Include="..\..\misc\debuggers\imgui.natvis" />
|
||||||
|
|||||||
@ -8,9 +8,6 @@
|
|||||||
<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
||||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||||
</Filter>
|
</Filter>
|
||||||
<Filter Include="gl3w">
|
|
||||||
<UniqueIdentifier>{42f99867-3108-43b8-99d0-fabefaf1f2e3}</UniqueIdentifier>
|
|
||||||
</Filter>
|
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
<ClCompile Include="main.cpp">
|
<ClCompile Include="main.cpp">
|
||||||
@ -19,9 +16,6 @@
|
|||||||
<ClCompile Include="..\..\imgui.cpp">
|
<ClCompile Include="..\..\imgui.cpp">
|
||||||
<Filter>imgui</Filter>
|
<Filter>imgui</Filter>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<ClCompile Include="..\libs\gl3w\GL\gl3w.c">
|
|
||||||
<Filter>gl3w</Filter>
|
|
||||||
</ClCompile>
|
|
||||||
<ClCompile Include="..\..\imgui_demo.cpp">
|
<ClCompile Include="..\..\imgui_demo.cpp">
|
||||||
<Filter>imgui</Filter>
|
<Filter>imgui</Filter>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
@ -48,12 +42,6 @@
|
|||||||
<ClInclude Include="..\..\imgui.h">
|
<ClInclude Include="..\..\imgui.h">
|
||||||
<Filter>imgui</Filter>
|
<Filter>imgui</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
<ClInclude Include="..\libs\gl3w\GL\gl3w.h">
|
|
||||||
<Filter>gl3w</Filter>
|
|
||||||
</ClInclude>
|
|
||||||
<ClInclude Include="..\libs\gl3w\GL\glcorearb.h">
|
|
||||||
<Filter>gl3w</Filter>
|
|
||||||
</ClInclude>
|
|
||||||
<ClInclude Include="..\..\imgui_internal.h">
|
<ClInclude Include="..\..\imgui_internal.h">
|
||||||
<Filter>imgui</Filter>
|
<Filter>imgui</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
@ -63,6 +51,9 @@
|
|||||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h">
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h">
|
||||||
<Filter>sources</Filter>
|
<Filter>sources</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h">
|
||||||
|
<Filter>sources</Filter>
|
||||||
|
</ClInclude>
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
<None Include="..\README.txt" />
|
<None Include="..\README.txt" />
|
||||||
|
|||||||
@ -10,30 +10,12 @@
|
|||||||
|
|
||||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||||
#include <GLES2/gl2.h>
|
#include <GLES2/gl2.h>
|
||||||
|
#else
|
||||||
// About Desktop OpenGL function loaders:
|
// About Desktop OpenGL function loaders:
|
||||||
// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
|
// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
|
||||||
// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad).
|
// Here we are using our own minimal loader based on gl3w. You may use another loader/header of your choice (glext, glLoadGen, etc.),
|
||||||
// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own.
|
// or chose to manually implement your own.
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
|
#include "imgui_impl_opengl3_loader.h"
|
||||||
#include <GL/gl3w.h> // Initialize with gl3wInit()
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
|
|
||||||
#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()
|
|
||||||
#include <glbinding/gl/gl.h>
|
|
||||||
using namespace gl;
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
|
|
||||||
#define GLFW_INCLUDE_NONE // GLFW including OpenGL headers causes ambiguity or multiple definition errors.
|
|
||||||
#include <glbinding/glbinding.h>// Initialize with glbinding::initialize()
|
|
||||||
#include <glbinding/gl/gl.h>
|
|
||||||
using namespace gl;
|
|
||||||
#else
|
|
||||||
#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
// Include glfw3.h after our OpenGL definitions
|
// Include glfw3.h after our OpenGL definitions
|
||||||
@ -88,30 +70,6 @@ int main(int, char**)
|
|||||||
glfwMakeContextCurrent(window);
|
glfwMakeContextCurrent(window);
|
||||||
glfwSwapInterval(1); // Enable vsync
|
glfwSwapInterval(1); // Enable vsync
|
||||||
|
|
||||||
// Initialize OpenGL loader
|
|
||||||
#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
|
|
||||||
bool err = gl3wInit() != 0;
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
|
|
||||||
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(glfwGetProcAddress) == 0; // glad2 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();
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
|
|
||||||
bool err = false;
|
|
||||||
glbinding::initialize([](const char* name) { return (glbinding::ProcAddress)glfwGetProcAddress(name); });
|
|
||||||
#else
|
|
||||||
bool err = false; // If you use IMGUI_IMPL_OPENGL_LOADER_CUSTOM, your loader is likely to requires some form of initialization.
|
|
||||||
#endif
|
|
||||||
if (err)
|
|
||||||
{
|
|
||||||
fprintf(stderr, "Failed to initialize OpenGL loader!\n");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Setup Dear ImGui context
|
// Setup Dear ImGui context
|
||||||
IMGUI_CHECKVERSION();
|
IMGUI_CHECKVERSION();
|
||||||
ImGui::CreateContext();
|
ImGui::CreateContext();
|
||||||
|
|||||||
@ -31,35 +31,6 @@ LIBS =
|
|||||||
## OPENGL LOADER / OPENGL ES
|
## OPENGL LOADER / OPENGL ES
|
||||||
##---------------------------------------------------------------------
|
##---------------------------------------------------------------------
|
||||||
|
|
||||||
## See below for OpenGL ES option (no loader required) - comment out
|
|
||||||
## the following if you want to use OpenGL ES instead of Desktop GL.
|
|
||||||
|
|
||||||
## Using OpenGL loader: gl3w [default]
|
|
||||||
SOURCES += ../libs/gl3w/GL/gl3w.c
|
|
||||||
CXXFLAGS += -I../libs/gl3w -DIMGUI_IMPL_OPENGL_LOADER_GL3W
|
|
||||||
|
|
||||||
## Using OpenGL loader: glew
|
|
||||||
## (This assumes a system-wide installation)
|
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLEW
|
|
||||||
# LIBS += -lGLEW
|
|
||||||
|
|
||||||
## Using OpenGL loader: glad
|
|
||||||
# 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)
|
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLBINDING3
|
|
||||||
# LIBS += -lglbinding
|
|
||||||
## or the older version 2.x
|
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLBINDING2
|
|
||||||
# LIBS += -lglbinding
|
|
||||||
|
|
||||||
## Using OpenGL ES, no loader required
|
## Using OpenGL ES, no loader required
|
||||||
## This assumes a GL ES library available in the system, e.g. libGLESv2.so
|
## This assumes a GL ES library available in the system, e.g. libGLESv2.so
|
||||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
|
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
|
||||||
|
|||||||
@ -90,7 +90,7 @@
|
|||||||
<ClCompile>
|
<ClCompile>
|
||||||
<WarningLevel>Level4</WarningLevel>
|
<WarningLevel>Level4</WarningLevel>
|
||||||
<Optimization>Disabled</Optimization>
|
<Optimization>Disabled</Optimization>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||||
@ -104,7 +104,7 @@
|
|||||||
<ClCompile>
|
<ClCompile>
|
||||||
<WarningLevel>Level4</WarningLevel>
|
<WarningLevel>Level4</WarningLevel>
|
||||||
<Optimization>Disabled</Optimization>
|
<Optimization>Disabled</Optimization>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||||
@ -120,7 +120,7 @@
|
|||||||
<Optimization>MaxSpeed</Optimization>
|
<Optimization>MaxSpeed</Optimization>
|
||||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
@ -140,7 +140,7 @@
|
|||||||
<Optimization>MaxSpeed</Optimization>
|
<Optimization>MaxSpeed</Optimization>
|
||||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<Link>
|
<Link>
|
||||||
@ -162,7 +162,6 @@
|
|||||||
<ClCompile Include="..\..\imgui_widgets.cpp" />
|
<ClCompile Include="..\..\imgui_widgets.cpp" />
|
||||||
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" />
|
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" />
|
||||||
<ClCompile Include="..\..\backends\imgui_impl_sdl.cpp" />
|
<ClCompile Include="..\..\backends\imgui_impl_sdl.cpp" />
|
||||||
<ClCompile Include="..\libs\gl3w\GL\gl3w.c" />
|
|
||||||
<ClCompile Include="main.cpp" />
|
<ClCompile Include="main.cpp" />
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
@ -170,9 +169,8 @@
|
|||||||
<ClInclude Include="..\..\imgui.h" />
|
<ClInclude Include="..\..\imgui.h" />
|
||||||
<ClInclude Include="..\..\imgui_internal.h" />
|
<ClInclude Include="..\..\imgui_internal.h" />
|
||||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h" />
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h" />
|
||||||
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h" />
|
||||||
<ClInclude Include="..\..\backends\imgui_impl_sdl.h" />
|
<ClInclude Include="..\..\backends\imgui_impl_sdl.h" />
|
||||||
<ClInclude Include="..\libs\gl3w\GL\gl3w.h" />
|
|
||||||
<ClInclude Include="..\libs\gl3w\GL\glcorearb.h" />
|
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
<None Include="..\..\misc\debuggers\imgui.natvis" />
|
<None Include="..\..\misc\debuggers\imgui.natvis" />
|
||||||
|
|||||||
@ -8,9 +8,6 @@
|
|||||||
<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
||||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||||
</Filter>
|
</Filter>
|
||||||
<Filter Include="gl3w">
|
|
||||||
<UniqueIdentifier>{f9997b32-5479-4756-9ffc-77793ad3764f}</UniqueIdentifier>
|
|
||||||
</Filter>
|
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
<ItemGroup>
|
<ItemGroup>
|
||||||
<ClCompile Include="..\..\imgui.cpp">
|
<ClCompile Include="..\..\imgui.cpp">
|
||||||
@ -25,9 +22,6 @@
|
|||||||
<ClCompile Include="main.cpp">
|
<ClCompile Include="main.cpp">
|
||||||
<Filter>sources</Filter>
|
<Filter>sources</Filter>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
<ClCompile Include="..\libs\gl3w\GL\gl3w.c">
|
|
||||||
<Filter>gl3w</Filter>
|
|
||||||
</ClCompile>
|
|
||||||
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp">
|
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp">
|
||||||
<Filter>sources</Filter>
|
<Filter>sources</Filter>
|
||||||
</ClCompile>
|
</ClCompile>
|
||||||
@ -51,15 +45,12 @@
|
|||||||
<ClInclude Include="..\..\imgui_internal.h">
|
<ClInclude Include="..\..\imgui_internal.h">
|
||||||
<Filter>imgui</Filter>
|
<Filter>imgui</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
<ClInclude Include="..\libs\gl3w\GL\gl3w.h">
|
|
||||||
<Filter>gl3w</Filter>
|
|
||||||
</ClInclude>
|
|
||||||
<ClInclude Include="..\libs\gl3w\GL\glcorearb.h">
|
|
||||||
<Filter>gl3w</Filter>
|
|
||||||
</ClInclude>
|
|
||||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h">
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h">
|
||||||
<Filter>sources</Filter>
|
<Filter>sources</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
|
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h">
|
||||||
|
<Filter>sources</Filter>
|
||||||
|
</ClInclude>
|
||||||
<ClInclude Include="..\..\backends\imgui_impl_sdl.h">
|
<ClInclude Include="..\..\backends\imgui_impl_sdl.h">
|
||||||
<Filter>sources</Filter>
|
<Filter>sources</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
|
|||||||
@ -9,33 +9,10 @@
|
|||||||
#include "imgui_impl_opengl3.h"
|
#include "imgui_impl_opengl3.h"
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include <SDL.h>
|
#include <SDL.h>
|
||||||
|
#include <SDL_opengl.h>
|
||||||
|
|
||||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||||
#include <GLES2/gl2.h>
|
#include <SDL_opengles2.h>
|
||||||
// About Desktop OpenGL function loaders:
|
|
||||||
// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
|
|
||||||
// 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.
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
|
|
||||||
#include <GL/gl3w.h> // Initialize with gl3wInit()
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
|
|
||||||
#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()
|
|
||||||
#include <glbinding/gl/gl.h>
|
|
||||||
using namespace gl;
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
|
|
||||||
#define GLFW_INCLUDE_NONE // GLFW including OpenGL headers causes ambiguity or multiple definition errors.
|
|
||||||
#include <glbinding/glbinding.h>// Initialize with glbinding::initialize()
|
|
||||||
#include <glbinding/gl/gl.h>
|
|
||||||
using namespace gl;
|
|
||||||
#else
|
|
||||||
#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
// Main code
|
// Main code
|
||||||
@ -84,30 +61,6 @@ int main(int, char**)
|
|||||||
SDL_GL_MakeCurrent(window, gl_context);
|
SDL_GL_MakeCurrent(window, gl_context);
|
||||||
SDL_GL_SetSwapInterval(1); // Enable vsync
|
SDL_GL_SetSwapInterval(1); // Enable vsync
|
||||||
|
|
||||||
// Initialize OpenGL loader
|
|
||||||
#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
|
|
||||||
bool err = gl3wInit() != 0;
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
|
|
||||||
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; // glad2 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();
|
|
||||||
#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING3)
|
|
||||||
bool err = false;
|
|
||||||
glbinding::initialize([](const char* name) { return (glbinding::ProcAddress)SDL_GL_GetProcAddress(name); });
|
|
||||||
#else
|
|
||||||
bool err = false; // If you use IMGUI_IMPL_OPENGL_LOADER_CUSTOM, your loader is likely to requires some form of initialization.
|
|
||||||
#endif
|
|
||||||
if (err)
|
|
||||||
{
|
|
||||||
fprintf(stderr, "Failed to initialize OpenGL loader!\n");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Setup Dear ImGui context
|
// Setup Dear ImGui context
|
||||||
IMGUI_CHECKVERSION();
|
IMGUI_CHECKVERSION();
|
||||||
ImGui::CreateContext();
|
ImGui::CreateContext();
|
||||||
|
|||||||
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Load Diff
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Load Diff
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Load Diff
Loading…
Reference in New Issue
Block a user