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Backends: OpenGL3: Shallow tweak of compile-time extensions detection.
Detect polygon mode using same method as others (not define/symbol). IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS -> IMGUI_IMPL_OPENGL_HAS_EXTENSIONS
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@ -114,7 +114,7 @@ enum GlfwClientApi
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{
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GlfwClientApi_Unknown,
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GlfwClientApi_OpenGL,
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GlfwClientApi_Vulkan
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GlfwClientApi_Vulkan,
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};
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struct ImGui_ImplGlfw_Data
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@ -674,11 +674,9 @@ static void ImGui_ImplGlfw_UpdateMouseData()
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ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
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ImGuiIO& io = ImGui::GetIO();
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// (those braces are here to reduce diff with multi-viewports support in 'docking' branch)
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{
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GLFWwindow* window = bd->Window;
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#ifdef __EMSCRIPTEN__
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const bool is_window_focused = true;
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#else
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@ -176,9 +176,20 @@
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#define GL_VERTEX_ARRAY_BINDING GL_VERTEX_ARRAY_BINDING_OES
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#endif
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// Desktop GL 2.0+ has glPolygonMode() which GL ES and WebGL don't have.
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#ifdef GL_POLYGON_MODE
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#define IMGUI_IMPL_HAS_POLYGON_MODE
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// Desktop GL 2.0+ has extension and glPolygonMode() which GL ES and WebGL don't have..
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#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3)
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#define IMGUI_IMPL_OPENGL_HAS_EXTENSIONS // has glGetIntegerv(GL_NUM_EXTENSIONS)
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#define IMGUI_IMPL_OPENGL_HAS_POLYGON_MODE // has glPolygonMode()
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#endif
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// Desktop GL 2.1+ and GL ES 3.0+ have glBindBuffer() with GL_PIXEL_UNPACK_BUFFER target.
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#if !defined(IMGUI_IMPL_OPENGL_ES2)
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#define IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_BUFFER_PIXEL_UNPACK
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#endif
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// Desktop GL 3.1+ has GL_PRIMITIVE_RESTART state
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#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) && defined(GL_VERSION_3_1)
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#define IMGUI_IMPL_OPENGL_MAY_HAVE_PRIMITIVE_RESTART
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#endif
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// Desktop GL 3.2+ has glDrawElementsBaseVertex() which GL ES and WebGL don't have.
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@ -191,21 +202,6 @@
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#define IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
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#endif
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// Desktop GL and GL ES 3.0+ have glBindBuffer() with GL_PIXEL_UNPACK_BUFFER target.
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#if !defined(IMGUI_IMPL_OPENGL_ES2)
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#define IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_BUFFER_PIXEL_UNPACK
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#endif
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// Desktop GL 3.1+ has GL_PRIMITIVE_RESTART state
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#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) && defined(GL_VERSION_3_1)
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#define IMGUI_IMPL_OPENGL_MAY_HAVE_PRIMITIVE_RESTART
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#endif
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// Desktop GL use extension detection
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#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3)
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#define IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS
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#endif
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// [Debugging]
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//#define IMGUI_IMPL_OPENGL_DEBUG
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#ifdef IMGUI_IMPL_OPENGL_DEBUG
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@ -364,7 +360,7 @@ bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
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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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#ifdef IMGUI_IMPL_OPENGL_HAS_EXTENSIONS
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GLint num_extensions = 0;
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glGetIntegerv(GL_NUM_EXTENSIONS, &num_extensions);
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for (GLint i = 0; i < num_extensions; i++)
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@ -416,7 +412,7 @@ static void ImGui_ImplOpenGL3_SetupRenderState(ImDrawData* draw_data, int fb_wid
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if (bd->GlVersion >= 310)
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glDisable(GL_PRIMITIVE_RESTART);
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#endif
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#ifdef IMGUI_IMPL_HAS_POLYGON_MODE
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#ifdef IMGUI_IMPL_OPENGL_HAS_POLYGON_MODE
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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#endif
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@ -505,7 +501,7 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
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#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
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GLuint last_vertex_array_object; glGetIntegerv(GL_VERTEX_ARRAY_BINDING, (GLint*)&last_vertex_array_object);
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#endif
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#ifdef IMGUI_IMPL_HAS_POLYGON_MODE
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#ifdef IMGUI_IMPL_OPENGL_HAS_POLYGON_MODE
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GLint last_polygon_mode[2]; glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode);
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#endif
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GLint last_viewport[4]; glGetIntegerv(GL_VIEWPORT, last_viewport);
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@ -644,7 +640,7 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
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if (bd->GlVersion >= 310) { if (last_enable_primitive_restart) glEnable(GL_PRIMITIVE_RESTART); else glDisable(GL_PRIMITIVE_RESTART); }
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#endif
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#ifdef IMGUI_IMPL_HAS_POLYGON_MODE
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#ifdef IMGUI_IMPL_OPENGL_HAS_POLYGON_MODE
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// Desktop OpenGL 3.0 and OpenGL 3.1 had separate polygon draw modes for front-facing and back-facing faces of polygons
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if (bd->GlVersion <= 310 || bd->GlProfileIsCompat)
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{
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@ -655,7 +651,7 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
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{
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glPolygonMode(GL_FRONT_AND_BACK, (GLenum)last_polygon_mode[0]);
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}
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#endif // IMGUI_IMPL_HAS_POLYGON_MODE
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#endif // IMGUI_IMPL_OPENGL_HAS_POLYGON_MODE
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glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]);
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glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]);
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