fix dec/rad error in camera FOV

[blank.git] / src / init.cpp

diff --git a/src/init.cpp b/src/init.cpp
index 4772898fb364119cb53f469b32984c445bf0e722..73a73094749ec1e6d6712f5dc2a7296816ee6f96 100644 (file)
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -46,7 +46,7 @@ InitIMG::~InitIMG() {
 }
 
 
-InitGL::InitGL() {
+InitGL::InitGL(bool double_buffer, int sample_size) {
        if (SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3) != 0) {
                sdl_error("SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3)");
        }
@@ -57,13 +57,20 @@ InitGL::InitGL() {
                sdl_error("SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE)");
        }
 
-       if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1) != 0) {
-               sdl_error("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1)");
+       if (double_buffer) {
+               if (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1) != 0) {
+                       sdl_error("SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1)");
+               }
        }
-}
-
-InitGL::~InitGL() {
 
+       if (sample_size > 1) {
+               if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1) != 0) {
+                       sdl_error("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS)");
+               }
+               if (SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, sample_size) != 0) {
+                       sdl_error("SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES)");
+               }
+       }
 }
 
 
@@ -142,6 +149,23 @@ void GLContext::EnableVSync() {
        }
 }
 
+void GLContext::EnableDepthTest() {
+       glEnable(GL_DEPTH_TEST);
+       glDepthFunc(GL_LESS);
+}
+
+void GLContext::EnableBackfaceCulling() {
+       glEnable(GL_CULL_FACE);
+}
+
+void GLContext::Clear() {
+       glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+void GLContext::ClearDepthBuffer() {
+       glClear(GL_DEPTH_BUFFER_BIT);
+}
+
 
 InitGLEW::InitGLEW() {
        glewExperimental = GL_TRUE;
@@ -158,8 +182,4 @@ InitGLEW::InitGLEW() {
        }
 }
 
-InitGLEW::~InitGLEW() {
-
-}
-
 }