summaryrefslogtreecommitdiffstats
path: root/Common/NativeApp/src/Linux
diff options
context:
space:
mode:
authorEgor Yusov <egor.yusov@gmail.com>2019-11-11 15:47:34 +0000
committerEgor Yusov <egor.yusov@gmail.com>2019-11-11 15:47:34 +0000
commitbb9394a46f2c541db7cfdf664bf4411a61afcba4 (patch)
tree1ecbb909b4275f722e9518a9c2ff5a538bd0f415 /Common/NativeApp/src/Linux
parentUpdated core (diff)
downloadDiligentEngine-bb9394a46f2c541db7cfdf664bf4411a61afcba4.tar.gz
DiligentEngine-bb9394a46f2c541db7cfdf664bf4411a61afcba4.zip
Moved NativeApp to Tools module
Diffstat (limited to 'Common/NativeApp/src/Linux')
-rw-r--r--Common/NativeApp/src/Linux/LinuxMain.cpp526
1 files changed, 0 insertions, 526 deletions
diff --git a/Common/NativeApp/src/Linux/LinuxMain.cpp b/Common/NativeApp/src/Linux/LinuxMain.cpp
deleted file mode 100644
index fc26c8a..0000000
--- a/Common/NativeApp/src/Linux/LinuxMain.cpp
+++ /dev/null
@@ -1,526 +0,0 @@
-/* Copyright 2015-2018 Egor Yusov
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
- *
- * In no event and under no legal theory, whether in tort (including negligence),
- * contract, or otherwise, unless required by applicable law (such as deliberate
- * and grossly negligent acts) or agreed to in writing, shall any Contributor be
- * liable for any damages, including any direct, indirect, special, incidental,
- * or consequential damages of any character arising as a result of this License or
- * out of the use or inability to use the software (including but not limited to damages
- * for loss of goodwill, work stoppage, computer failure or malfunction, or any and
- * all other commercial damages or losses), even if such Contributor has been advised
- * of the possibility of such damages.
- */
-
-#include <memory>
-#include <iomanip>
-
-#include "PlatformDefinitions.h"
-#include "NativeAppBase.h"
-#include "StringTools.h"
-#include "Timer.h"
-#include "Errors.h"
-
-
-#ifndef GLX_CONTEXT_MAJOR_VERSION_ARB
-# define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
-#endif
-
-#ifndef GLX_CONTEXT_MINOR_VERSION_ARB
-# define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
-#endif
-
-#ifndef GLX_CONTEXT_FLAGS_ARB
-# define GLX_CONTEXT_FLAGS_ARB 0x2094
-#endif
-
-#ifndef GLX_CONTEXT_DEBUG_BIT_ARB
-# define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001
-#endif
-
-typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, int, const int*);
-
-static constexpr uint16_t WindowWidth = 1024;
-static constexpr uint16_t WindowHeight = 768;
-static constexpr uint16_t MinWindowWidth = 320;
-static constexpr uint16_t MinWindowHeight = 240;
-
-using namespace Diligent;
-
-namespace
-{
-
-class WindowTitleHelper
-{
-public:
- WindowTitleHelper(std::string _Title) :
- Title(std::move(_Title))
- {}
-
- std::string GetTitleWithFPS(double ElapsedTime)
- {
- double filterScale = 0.2;
- FilteredFrameTime = FilteredFrameTime * (1.0 - filterScale) + filterScale * ElapsedTime;
- std::stringstream TitleWithFpsSS;
- TitleWithFpsSS << Title;
- TitleWithFpsSS << " - " << std::fixed << std::setprecision(1) << FilteredFrameTime * 1000;
- TitleWithFpsSS << " ms (" << 1.0 / FilteredFrameTime << " fps)";
- return TitleWithFpsSS.str();
- }
-
-private:
- const std::string Title;
- double FilteredFrameTime = 0.0;
-};
-
-}
-
-#if VULKAN_SUPPORTED
-
-// https://code.woboq.org/qt5/include/xcb/xcb_icccm.h.html
-enum XCB_SIZE_HINT
-{
- XCB_SIZE_HINT_US_POSITION = 1 << 0,
- XCB_SIZE_HINT_US_SIZE = 1 << 1,
- XCB_SIZE_HINT_P_POSITION = 1 << 2,
- XCB_SIZE_HINT_P_SIZE = 1 << 3,
- XCB_SIZE_HINT_P_MIN_SIZE = 1 << 4,
- XCB_SIZE_HINT_P_MAX_SIZE = 1 << 5,
- XCB_SIZE_HINT_P_RESIZE_INC = 1 << 6,
- XCB_SIZE_HINT_P_ASPECT = 1 << 7,
- XCB_SIZE_HINT_BASE_SIZE = 1 << 8,
- XCB_SIZE_HINT_P_WIN_GRAVITY = 1 << 9
-};
-
-struct xcb_size_hints_t
-{
- uint32_t flags; /** User specified flags */
- int32_t x, y; /** User-specified position */
- int32_t width, height; /** User-specified size */
- int32_t min_width, min_height; /** Program-specified minimum size */
- int32_t max_width, max_height; /** Program-specified maximum size */
- int32_t width_inc, height_inc; /** Program-specified resize increments */
- int32_t min_aspect_num, min_aspect_den; /** Program-specified minimum aspect ratios */
- int32_t max_aspect_num, max_aspect_den; /** Program-specified maximum aspect ratios */
- int32_t base_width, base_height; /** Program-specified base size */
- uint32_t win_gravity; /** Program-specified window gravity */
-};
-
-struct XCBInfo
-{
- xcb_connection_t* connection = nullptr;
- uint32_t window = 0;
- uint16_t width = 0;
- uint16_t height = 0;
- xcb_intern_atom_reply_t* atom_wm_delete_window = nullptr;
-};
-
-XCBInfo InitXCBConnectionAndWindow(const std::string& Title)
-{
- XCBInfo info;
-
- int scr = 0;
- info.connection = xcb_connect(nullptr, &scr);
- if (info.connection == nullptr || xcb_connection_has_error(info.connection))
- {
- std::cerr << "Unable to make an XCB connection\n";
- exit(-1);
- }
-
- const xcb_setup_t* setup = xcb_get_setup(info.connection);
- xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);
- while (scr-- > 0)
- xcb_screen_next(&iter);
-
- auto screen = iter.data;
-
- info.width = WindowWidth;
- info.height = WindowHeight;
-
- uint32_t value_mask, value_list[32];
-
- info.window = xcb_generate_id(info.connection);
-
- value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
- value_list[0] = screen->black_pixel;
- value_list[1] =
- XCB_EVENT_MASK_KEY_RELEASE |
- XCB_EVENT_MASK_KEY_PRESS |
- XCB_EVENT_MASK_EXPOSURE |
- XCB_EVENT_MASK_STRUCTURE_NOTIFY |
- XCB_EVENT_MASK_POINTER_MOTION |
- XCB_EVENT_MASK_BUTTON_PRESS |
- XCB_EVENT_MASK_BUTTON_RELEASE;
-
- xcb_create_window(info.connection, XCB_COPY_FROM_PARENT, info.window, screen->root, 0, 0, info.width, info.height, 0,
- XCB_WINDOW_CLASS_INPUT_OUTPUT, screen->root_visual, value_mask, value_list);
-
- // Magic code that will send notification when window is destroyed
- xcb_intern_atom_cookie_t cookie = xcb_intern_atom(info.connection, 1, 12, "WM_PROTOCOLS");
- xcb_intern_atom_reply_t* reply = xcb_intern_atom_reply(info.connection, cookie, 0);
-
- xcb_intern_atom_cookie_t cookie2 = xcb_intern_atom(info.connection, 0, 16, "WM_DELETE_WINDOW");
- info.atom_wm_delete_window = xcb_intern_atom_reply(info.connection, cookie2, 0);
-
- xcb_change_property(info.connection, XCB_PROP_MODE_REPLACE, info.window, (*reply).atom, 4, 32, 1,
- &(*info.atom_wm_delete_window).atom);
- free(reply);
-
- xcb_change_property(info.connection, XCB_PROP_MODE_REPLACE, info.window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING,
- 8, Title.length(), Title.c_str() );
-
- // https://stackoverflow.com/a/27771295
- xcb_size_hints_t hints = {};
- hints.flags = XCB_SIZE_HINT_P_MIN_SIZE;
- hints.min_width = MinWindowWidth;
- hints.min_height = MinWindowHeight;
- xcb_change_property(info.connection, XCB_PROP_MODE_REPLACE, info.window, XCB_ATOM_WM_NORMAL_HINTS, XCB_ATOM_WM_SIZE_HINTS,
- 32, sizeof(xcb_size_hints_t), &hints);
-
- xcb_map_window(info.connection, info.window);
-
- // Force the x/y coordinates to 100,100 results are identical in consecutive
- // runs
- const uint32_t coords[] = {100, 100};
- xcb_configure_window(info.connection, info.window, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, coords);
- xcb_flush(info.connection);
-
- xcb_generic_event_t *e;
- while ((e = xcb_wait_for_event(info.connection)))
- {
- if ((e->response_type & ~0x80) == XCB_EXPOSE) break;
- }
- return info;
-}
-
-void DestroyXCBConnectionAndWindow(XCBInfo &info)
-{
- xcb_destroy_window(info.connection, info.window);
- xcb_disconnect(info.connection);
-}
-
-int xcb_main()
-{
- std::unique_ptr<NativeAppBase> TheApp(CreateApplication());
-
- std::string Title = TheApp->GetAppTitle();
- auto xcbInfo = InitXCBConnectionAndWindow(Title);
- if(!TheApp->InitVulkan(xcbInfo.connection, xcbInfo.window))
- return -1;
-
- xcb_flush(xcbInfo.connection);
-
- Timer timer;
- auto PrevTime = timer.GetElapsedTime();
- Title = TheApp->GetAppTitle();
- WindowTitleHelper TitleHelper(Title);
-
- while (true)
- {
- xcb_generic_event_t* event = nullptr;
- bool Quit = false;
- while ((event = xcb_poll_for_event(xcbInfo.connection)) != nullptr)
- {
- TheApp->HandleXCBEvent(event);
- switch (event->response_type & 0x7f)
- {
- case XCB_CLIENT_MESSAGE:
- if ((*(xcb_client_message_event_t*)event).data.data32[0] ==
- (*xcbInfo.atom_wm_delete_window).atom)
- {
- Quit = true;
- }
- break;
-
- case XCB_KEY_RELEASE:
- {
- const auto* keyEvent = reinterpret_cast<const xcb_key_release_event_t*>(event);
- switch (keyEvent->detail)
- {
- #define KEY_ESCAPE 0x9
- case KEY_ESCAPE:
- Quit = true;
- break;
- }
- }
- break;
-
- case XCB_DESTROY_NOTIFY:
- Quit = true;
- break;
-
- case XCB_CONFIGURE_NOTIFY:
- {
- const auto* cfgEvent = reinterpret_cast<const xcb_configure_notify_event_t*>(event);
- if ((cfgEvent->width != xcbInfo.width) || (cfgEvent->height != xcbInfo.height))
- {
- xcbInfo.width = cfgEvent->width;
- xcbInfo.height = cfgEvent->height;
- if ((xcbInfo.width > 0) && (xcbInfo.height > 0))
- {
- TheApp->WindowResize(xcbInfo.width, xcbInfo.height);
- }
- }
- }
- break;
-
- default:
- break;
- }
- free(event);
- }
-
- if (Quit)
- break;
-
- // Render the scene
- auto CurrTime = timer.GetElapsedTime();
- auto ElapsedTime = CurrTime - PrevTime;
- PrevTime = CurrTime;
-
- TheApp->Update(CurrTime, ElapsedTime);
-
- TheApp->Render();
-
- TheApp->Present();
-
- auto TitleWithFPS = TitleHelper.GetTitleWithFPS(ElapsedTime);
- xcb_change_property(xcbInfo.connection, XCB_PROP_MODE_REPLACE, xcbInfo.window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING,
- 8, TitleWithFPS.length(), TitleWithFPS.c_str() );
- xcb_flush(xcbInfo.connection);
- }
-
- TheApp.reset();
- DestroyXCBConnectionAndWindow(xcbInfo);
-
- return 0;
-}
-
-#endif
-
-
-int x_main()
-{
- std::unique_ptr<NativeAppBase> TheApp(CreateApplication());
- Display *display = XOpenDisplay(0);
-
- static int visual_attribs[] =
- {
- GLX_RENDER_TYPE, GLX_RGBA_BIT,
- GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
- GLX_DOUBLEBUFFER, true,
-
- // The largest available total RGBA color buffer size (sum of GLX_RED_SIZE,
- // GLX_GREEN_SIZE, GLX_BLUE_SIZE, and GLX_ALPHA_SIZE) of at least the minimum
- // size specified for each color component is preferred.
- GLX_RED_SIZE, 8,
- GLX_GREEN_SIZE, 8,
- GLX_BLUE_SIZE, 8,
- GLX_ALPHA_SIZE, 8,
-
- // The largest available depth buffer of at least GLX_DEPTH_SIZE size is preferred
- GLX_DEPTH_SIZE, 24,
-
- //GLX_SAMPLE_BUFFERS, 1,
- GLX_SAMPLES, 1,
- None
- };
-
- int fbcount = 0;
- GLXFBConfig *fbc = glXChooseFBConfig(display, DefaultScreen(display), visual_attribs, &fbcount);
- if (!fbc)
- {
- LOG_ERROR_MESSAGE("Failed to retrieve a framebuffer config");
- return -1;
- }
-
- XVisualInfo *vi = glXGetVisualFromFBConfig(display, fbc[0]);
-
- XSetWindowAttributes swa;
- swa.colormap = XCreateColormap(display, RootWindow(display, vi->screen), vi->visual, AllocNone);
- swa.border_pixel = 0;
- swa.event_mask =
- StructureNotifyMask |
- ExposureMask |
- KeyPressMask |
- KeyReleaseMask |
- ButtonPressMask |
- ButtonReleaseMask |
- PointerMotionMask;
-
- Window win = XCreateWindow(display, RootWindow(display, vi->screen), 0, 0, WindowWidth, WindowHeight, 0, vi->depth, InputOutput, vi->visual, CWBorderPixel|CWColormap|CWEventMask, &swa);
- if (!win)
- {
- LOG_ERROR_MESSAGE("Failed to create window.");
- return -1;
- }
-
- {
- auto SizeHints = XAllocSizeHints();
- SizeHints->flags = PMinSize;
- SizeHints->min_width = MinWindowWidth;
- SizeHints->min_height = MinWindowHeight;
- XSetWMNormalHints(display, win, SizeHints);
- XFree(SizeHints);
- }
-
- XMapWindow(display, win);
-
- glXCreateContextAttribsARBProc glXCreateContextAttribsARB = nullptr;
- {
- // Create an oldstyle context first, to get the correct function pointer for glXCreateContextAttribsARB
- GLXContext ctx_old = glXCreateContext(display, vi, 0, GL_TRUE);
- glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
- glXMakeCurrent(display, None, NULL);
- glXDestroyContext(display, ctx_old);
- }
-
- if (glXCreateContextAttribsARB == nullptr)
- {
- LOG_ERROR("glXCreateContextAttribsARB entry point not found. Aborting.");
- return -1;
- }
-
- int Flags = GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
-#ifdef _DEBUG
- Flags |= GLX_CONTEXT_DEBUG_BIT_ARB;
-#endif
-
- int major_version = 4;
- int minor_version = 3;
- static int context_attribs[] =
- {
- GLX_CONTEXT_MAJOR_VERSION_ARB, major_version,
- GLX_CONTEXT_MINOR_VERSION_ARB, minor_version,
- GLX_CONTEXT_FLAGS_ARB, Flags,
- None
- };
-
- constexpr int True = 1;
- GLXContext ctx = glXCreateContextAttribsARB(display, fbc[0], NULL, True, context_attribs);
- if (!ctx)
- {
- LOG_ERROR("Failed to create GL context.");
- return -1;
- }
- XFree(fbc);
-
-
- glXMakeCurrent(display, win, ctx);
- TheApp->OnGLContextCreated(display, win);
- std::string Title = TheApp->GetAppTitle();
-
- Timer timer;
- auto PrevTime = timer.GetElapsedTime();
- WindowTitleHelper TitleHelper(Title);
-
- while (true)
- {
- bool EscPressed = false;
- XEvent xev;
- // Handle all events in the queue
- while(XCheckMaskEvent(display, 0xFFFFFFFF, &xev))
- {
- TheApp->HandleXEvent(&xev);
- switch(xev.type)
- {
- case KeyPress:
- {
- KeySym keysym;
- char buffer[80];
- int num_char = XLookupString((XKeyEvent *)&xev, buffer, _countof(buffer), &keysym, 0);
- EscPressed = (keysym==XK_Escape);
- }
-
- case ConfigureNotify:
- {
- XConfigureEvent &xce = reinterpret_cast<XConfigureEvent &>(xev);
- if(xce.width != 0 && xce.height != 0)
- TheApp->WindowResize(xce.width, xce.height);
- break;
- }
- }
- }
-
- if(EscPressed)
- break;
-
- // Render the scene
- auto CurrTime = timer.GetElapsedTime();
- auto ElapsedTime = CurrTime - PrevTime;
- PrevTime = CurrTime;
-
- TheApp->Update(CurrTime, ElapsedTime);
-
- TheApp->Render();
-
- TheApp->Present();
-
- auto TitleWithFPS = TitleHelper.GetTitleWithFPS(ElapsedTime);
- XStoreName(display, win, TitleWithFPS.c_str());
- }
-
- TheApp.reset();
-
- ctx = glXGetCurrentContext();
- glXMakeCurrent(display, None, NULL);
- glXDestroyContext(display, ctx);
- XDestroyWindow(display, win);
- XCloseDisplay(display);
-}
-
-int main (int argc, char ** argv)
-{
- bool UseVulkan = false;
-
-#if VULKAN_SUPPORTED
- UseVulkan = true;
- if (argc > 1)
- {
- const auto* Key = "-mode ";
- const auto* pos = strstr(argv[1], Key);
- if (pos != nullptr)
- {
- pos += strlen(Key);
- while(*pos != 0 && *pos == ' ')++pos;
- if (strcasecmp(pos, "GL") == 0)
- {
- UseVulkan = false;
- }
- else if (strcasecmp(pos, "VK") == 0)
- {
- UseVulkan = true;
- }
- else
- {
- std::cerr << "Unknown device type. Only the following types are supported: GL, VK";
- return -1;
- }
- }
- }
-
- if (UseVulkan)
- {
- auto ret = xcb_main();
- if (ret >= 0)
- {
- return ret;
- }
- else
- {
- LOG_ERROR_MESSAGE("Failed to initialize the engine in Vulkan mode. Attempting to use OpenGL");
- }
- }
-#endif
-
- return x_main();
-}