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[tacos.git] / src / app / init.cpp

diff --git a/src/app/init.cpp b/src/app/init.cpp
new file mode 100644 (file)
index 0000000..146719b
--- /dev/null
+++ b/src/app/init.cpp
@@ -0,0 +1,88 @@
+#include "init.hpp"
+
+#include "error.hpp"
+
+#include <alut.h>
+#include <SDL.h>
+#include <SDL_image.h>
+#include <SDL_ttf.h>
+
+
+namespace tacos {
+
+InitAlut::InitAlut() {
+       if (!alutInit(nullptr, nullptr)) {
+               throw AlutError("alutInit(nullptr, nullptr)");
+       }
+}
+
+InitAlut::~InitAlut() {
+       if (!alutExit()) {
+               throw AlutError("alutExit()");
+       }
+}
+
+
+InitGL::InitGL(bool double_buffer, int multi_sample) {
+       if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3) != 0) {
+               throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3)");
+       }
+       if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3) != 0) {
+               throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3)");
+       }
+       if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE) != 0) {
+               throw SDLError("SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE)");
+       }
+
+       if (!double_buffer) {
+               if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0) != 0) {
+                       throw SDLError("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0)");
+               }
+       }
+
+       if (multi_sample > 1) {
+               if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1) != 0) {
+                       throw SDLError("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1)");
+               }
+               if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, multi_sample) != 0) {
+                       throw SDLError("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, x)");
+               }
+       }
+}
+
+
+InitIMG::InitIMG() {
+       if (IMG_Init(IMG_INIT_PNG) == 0) {
+               throw SDLError("IMG_Init(IMG_INIT_PNG)");
+       }
+}
+
+InitIMG::~InitIMG() noexcept {
+       IMG_Quit();
+}
+
+
+InitSDL::InitSDL() {
+       if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+               throw SDLError("SDL_Init(SDL_INIT_VIDEO)");
+       }
+       // SDL seems to start out in text input state
+       SDL_StopTextInput();
+}
+
+InitSDL::~InitSDL() noexcept {
+       SDL_Quit();
+}
+
+
+InitTTF::InitTTF() {
+       if (TTF_Init() != 0) {
+               throw SDLError("TTF_Init()");
+       }
+}
+
+InitTTF::~InitTTF() noexcept {
+       TTF_Quit();
+}
+
+}