source: opengl-game/game-gui-sdl.cpp@ 9546928

feature/imgui-sdl points-test
Last change on this file since 9546928 was 9546928, checked in by Dmitry Portnoy <dmitry.portnoy@…>, 5 years ago

Move some constants into consts.hpp

  • Property mode set to 100644
File size: 2.0 KB
Line 
1#include "game-gui-sdl.hpp"
2
3#include "consts.hpp"
4
5string GameGui_SDL::s_errorMessage;
6
7string& GameGui_SDL::GetError() {
8 GameGui_SDL::s_errorMessage = SDL_GetError();
9
10 return GameGui_SDL::s_errorMessage;
11}
12
13bool GameGui_SDL::Init() {
14 // may want to define SDL_INIT_NOPARACHUTE when I start handling crashes since it
15 // prevents SDL from setting up its own handlers for SIG_SEGV and stuff like that
16
17 GameGui_SDL::s_errorMessage = "No error";
18
19 if (SDL_Init(SDL_INIT_EVERYTHING) < 0) {
20 return RTWO_ERROR;
21 }
22
23 int imgFlags = IMG_INIT_PNG;
24 if (!(IMG_Init(imgFlags) & imgFlags)) {
25 return RTWO_ERROR;
26 }
27
28 if (TTF_Init() == -1) {
29 return RTWO_ERROR;
30 }
31
32 return RTWO_SUCCESS;
33}
34
35void GameGui_SDL::Shutdown() {
36 SDL_Quit();
37}
38
39void* GameGui_SDL::CreateWindow(const string& title, unsigned int width, unsigned int height) {
40 // On Apple's OS X you must set the NSHighResolutionCapable Info.plist property to YES,
41 // otherwise you will not receive a High DPI OpenGL canvas.
42 window = SDL_CreateWindow(title.c_str(),
43 SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
44 width, height,
45 SDL_WINDOW_VULKAN | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE);
46
47 return window;
48}
49
50void GameGui_SDL::DestroyWindow() {
51 // TODO: This function can throw some errors. They should be handled
52 SDL_DestroyWindow(window);
53}
54
55#ifdef GAMEGUI_INCLUDE_VULKAN
56
57bool GameGui_SDL::CreateVulkanSurface(VkInstance instance, VkSurfaceKHR* surface) {
58 return SDL_Vulkan_CreateSurface(window, instance, surface) ?
59 RTWO_SUCCESS : RTWO_ERROR;
60}
61
62#endif
63
64vector<const char*> GameGui_SDL::GetRequiredExtensions() {
65 uint32_t extensionCount = 0;
66 SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, nullptr);
67
68 vector<const char*> extensions(extensionCount);
69 SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, extensions.data());
70
71 return extensions;
72}
73
74void GameGui_SDL::GetWindowSize(int* width, int* height) {
75 SDL_GetWindowSize(window, width, height);
76}
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