mirror of
https://github.com/ocornut/imgui.git
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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
@@ -111,33 +111,14 @@
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#else
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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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// 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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#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W)
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#include <GL/gl3w.h> // Needs to be initialized with gl3wInit() in user's code
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW)
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#include <GL/glew.h> // Needs to be initialized with glewInit() in user's code.
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#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD)
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#include <glad/glad.h> // Needs to be initialized with gladLoadGL() in user's code.
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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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// 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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// imgui_impl_opengl3_loader.h from https://github.com/dearimgui/gl3w_stripped/releases/ and use that temporarily.
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// When done, changes using new APIs should be accompanied by regenerated stripped loader version (instructions in
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// gl3w_stripped README.rst).
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#define IMGL3W_IMPL 1
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#include "imgui_impl_opengl3_loader.h"
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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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@@ -207,6 +188,14 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
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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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#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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ImGui_ImplOpenGL3_Data* bd = IM_NEW(ImGui_ImplOpenGL3_Data)();;
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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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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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bd->HasClipOrigin = (bd->GlVersion >= 450);
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#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS
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@@ -7,7 +7,7 @@
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// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
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// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
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// Read online: https://github.com/ocornut/imgui/tree/master/docs
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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_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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// 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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// 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 !defined(IMGUI_IMPL_OPENGL_ES2) \
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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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&& !defined(IMGUI_IMPL_OPENGL_ES3)
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// Try to detect GLES on matching platforms
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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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#elif defined(__EMSCRIPTEN__)
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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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#error "Cannot detect OpenGL loader!"
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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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// Otherwise imgui_impl_opengl3_loader.h will be used.
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#endif
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#endif
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File diff suppressed because it is too large
Load Diff
@@ -130,6 +130,9 @@ Other Changes:
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Other OSX examples were not affected. (#4253, #1873) [@rokups]
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- Examples: Updated all .vcxproj to VS2015 (toolset v140) to facilitate usage with vcpkg.
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- Examples: SDL2: Accomodate for vcpkg install having headers in SDL2/SDL.h vs SDL.h.
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- Examples: OpenGL3+GLFW/SDL: Added minimal OpenGL loader imgui_impl_opengl3_loader.h and use it in OpenGL3 backend.
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Support for using custom OpenGL loader in the backend is removed, IMGUI_IMPL_OPENGL_LOADER_XX (except ES2/ES3) are
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no longer used. [@rokups]
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-----------------------------------------------------------------------
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@@ -31,35 +31,6 @@ LIBS =
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## OPENGL LOADER / OPENGL ES
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##---------------------------------------------------------------------
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## See below for OpenGL ES option (no loader required) - comment out
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## the following if you want to use OpenGL ES instead of Desktop GL.
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## Using OpenGL loader: gl3w [default]
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SOURCES += ../libs/gl3w/GL/gl3w.c
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CXXFLAGS += -I../libs/gl3w -DIMGUI_IMPL_OPENGL_LOADER_GL3W
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## Using OpenGL loader: glew
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## (This assumes a system-wide installation)
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# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLEW
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# LIBS += -lGLEW
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## Using OpenGL loader: glad
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# SOURCES += ../libs/glad/src/glad.c
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# CXXFLAGS += -I../libs/glad/include -DIMGUI_IMPL_OPENGL_LOADER_GLAD
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## Using OpenGL loader: glad2
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# SOURCES += ../libs/glad/src/gl.c
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# CXXFLAGS += -I../libs/glad/include -DIMGUI_IMPL_OPENGL_LOADER_GLAD2
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## Using OpenGL loader: glbinding
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## This assumes a system-wide installation
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## of either version 3.0.0 (or newer)
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# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLBINDING3
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# LIBS += -lglbinding
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## or the older version 2.x
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# CXXFLAGS += -DIMGUI_IMPL_OPENGL_LOADER_GLBINDING2
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# LIBS += -lglbinding
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## Using OpenGL ES, no loader required
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## This assumes a GL ES library available in the system, e.g. libGLESv2.so
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# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
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@@ -90,7 +90,7 @@
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<ClCompile>
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<WarningLevel>Level4</WarningLevel>
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<Optimization>Disabled</Optimization>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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@@ -104,7 +104,7 @@
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<ClCompile>
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<WarningLevel>Level4</WarningLevel>
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<Optimization>Disabled</Optimization>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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@@ -120,7 +120,7 @@
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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</ClCompile>
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<Link>
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@@ -140,7 +140,7 @@
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<AdditionalIncludeDirectories>..\..;..\..\backends;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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</ClCompile>
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<Link>
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@@ -162,7 +162,6 @@
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<ClCompile Include="..\..\imgui_widgets.cpp" />
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<ClCompile Include="..\..\backends\imgui_impl_glfw.cpp" />
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<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" />
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<ClCompile Include="..\libs\gl3w\GL\gl3w.c" />
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<ClCompile Include="main.cpp" />
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</ItemGroup>
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<ItemGroup>
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@@ -171,8 +170,7 @@
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<ClInclude Include="..\..\imgui_internal.h" />
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<ClInclude Include="..\..\backends\imgui_impl_glfw.h" />
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<ClInclude Include="..\..\backends\imgui_impl_opengl3.h" />
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<ClInclude Include="..\libs\gl3w\GL\gl3w.h" />
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<ClInclude Include="..\libs\gl3w\GL\glcorearb.h" />
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<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h" />
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</ItemGroup>
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<ItemGroup>
|
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<None Include="..\..\misc\debuggers\imgui.natvis" />
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@@ -181,4 +179,4 @@
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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||||
</Project>
|
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|
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@@ -8,9 +8,6 @@
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<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
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<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
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</Filter>
|
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<Filter Include="gl3w">
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<UniqueIdentifier>{42f99867-3108-43b8-99d0-fabefaf1f2e3}</UniqueIdentifier>
|
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</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="main.cpp">
|
||||
@@ -19,9 +16,6 @@
|
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<ClCompile Include="..\..\imgui.cpp">
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<Filter>imgui</Filter>
|
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</ClCompile>
|
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<ClCompile Include="..\libs\gl3w\GL\gl3w.c">
|
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<Filter>gl3w</Filter>
|
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</ClCompile>
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||||
<ClCompile Include="..\..\imgui_demo.cpp">
|
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<Filter>imgui</Filter>
|
||||
</ClCompile>
|
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@@ -48,12 +42,6 @@
|
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<ClInclude Include="..\..\imgui.h">
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<Filter>imgui</Filter>
|
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</ClInclude>
|
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<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">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
@@ -63,6 +51,9 @@
|
||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\README.txt" />
|
||||
|
||||
@@ -10,30 +10,12 @@
|
||||
|
||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
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#include <GLES2/gl2.h>
|
||||
#else
|
||||
// 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)
|
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#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
|
||||
// Here we are using our own minimal loader based on gl3w. You may use another loader/header of your choice (glext, glLoadGen, etc.),
|
||||
// or chose to manually implement your own.
|
||||
#include "imgui_impl_opengl3_loader.h"
|
||||
#endif
|
||||
|
||||
// Include glfw3.h after our OpenGL definitions
|
||||
@@ -88,30 +70,6 @@ int main(int, char**)
|
||||
glfwMakeContextCurrent(window);
|
||||
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
|
||||
IMGUI_CHECKVERSION();
|
||||
ImGui::CreateContext();
|
||||
|
||||
@@ -31,35 +31,6 @@ LIBS =
|
||||
## 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
|
||||
## This assumes a GL ES library available in the system, e.g. libGLESv2.so
|
||||
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
|
||||
|
||||
@@ -90,7 +90,7 @@
|
||||
<ClCompile>
|
||||
<WarningLevel>Level4</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
@@ -104,7 +104,7 @@
|
||||
<ClCompile>
|
||||
<WarningLevel>Level4</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
@@ -120,7 +120,7 @@
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
@@ -140,7 +140,7 @@
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;..\libs\gl3w;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<AdditionalIncludeDirectories>..\..;..\..\backends;%SDL2_DIR%\include;$(VcpkgCurrentInstalledDir)include\SDL2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<BufferSecurityCheck>false</BufferSecurityCheck>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
@@ -162,7 +162,6 @@
|
||||
<ClCompile Include="..\..\imgui_widgets.cpp" />
|
||||
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" />
|
||||
<ClCompile Include="..\..\backends\imgui_impl_sdl.cpp" />
|
||||
<ClCompile Include="..\libs\gl3w\GL\gl3w.c" />
|
||||
<ClCompile Include="main.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
@@ -170,9 +169,8 @@
|
||||
<ClInclude Include="..\..\imgui.h" />
|
||||
<ClInclude Include="..\..\imgui_internal.h" />
|
||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3.h" />
|
||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h" />
|
||||
<ClInclude Include="..\..\backends\imgui_impl_sdl.h" />
|
||||
<ClInclude Include="..\libs\gl3w\GL\gl3w.h" />
|
||||
<ClInclude Include="..\libs\gl3w\GL\glcorearb.h" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\..\misc\debuggers\imgui.natvis" />
|
||||
@@ -181,4 +179,4 @@
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
</Project>
|
||||
|
||||
@@ -8,9 +8,6 @@
|
||||
<UniqueIdentifier>{f18ab499-84e1-499f-8eff-9754361e0e52}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="gl3w">
|
||||
<UniqueIdentifier>{f9997b32-5479-4756-9ffc-77793ad3764f}</UniqueIdentifier>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\..\imgui.cpp">
|
||||
@@ -25,9 +22,6 @@
|
||||
<ClCompile Include="main.cpp">
|
||||
<Filter>sources</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\libs\gl3w\GL\gl3w.c">
|
||||
<Filter>gl3w</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp">
|
||||
<Filter>sources</Filter>
|
||||
</ClCompile>
|
||||
@@ -51,15 +45,12 @@
|
||||
<ClInclude Include="..\..\imgui_internal.h">
|
||||
<Filter>imgui</Filter>
|
||||
</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">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\backends\imgui_impl_sdl.h">
|
||||
<Filter>sources</Filter>
|
||||
</ClInclude>
|
||||
|
||||
@@ -9,33 +9,10 @@
|
||||
#include "imgui_impl_opengl3.h"
|
||||
#include <stdio.h>
|
||||
#include <SDL.h>
|
||||
#include <SDL_opengl.h>
|
||||
|
||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||
#include <GLES2/gl2.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
|
||||
#include <SDL_opengles2.h>
|
||||
#endif
|
||||
|
||||
// Main code
|
||||
@@ -84,30 +61,6 @@ int main(int, char**)
|
||||
SDL_GL_MakeCurrent(window, gl_context);
|
||||
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
|
||||
IMGUI_CHECKVERSION();
|
||||
ImGui::CreateContext();
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user