X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Finit.cpp;h=a56674c309506b5ac8f0876be5338b8241dfebf3;hb=e53a0e2e711a7d8bd9b0ddacd1360aa14370643f;hp=9010e00ba6b26c50d71514a96d48332f78d94d3c;hpb=918b4955c28fad1836a57ab3e9e033448144996c;p=blank.git

diff --git a/src/init.cpp b/src/init.cpp
index 9010e00..a56674c 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -2,6 +2,7 @@
 
 #include <algorithm>
 #include <SDL.h>
+#include <SDL_image.h>
 #include <stdexcept>
 #include <string>
 #include <GL/glew.h>
@@ -34,7 +35,18 @@ InitSDL::~InitSDL() {
 }
 
 
-InitGL::InitGL() {
+InitIMG::InitIMG() {
+	if (IMG_Init(IMG_INIT_PNG) == 0) {
+		sdl_error("IMG_Init(IMG_INIT_PNG)");
+	}
+}
+
+InitIMG::~InitIMG() {
+	IMG_Quit();
+}
+
+
+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)");
 	}
@@ -45,13 +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)");
+		}
+	}
 }
 
 
@@ -71,6 +90,26 @@ Window::~Window() {
 	SDL_DestroyWindow(handle);
 }
 
+void Window::GrabInput() {
+	SDL_SetWindowGrab(handle, SDL_TRUE);
+}
+
+void Window::ReleaseInput() {
+	SDL_SetWindowGrab(handle, SDL_FALSE);
+}
+
+void Window::GrabMouse() {
+	if (SDL_SetRelativeMouseMode(SDL_TRUE) != 0) {
+		sdl_error("SDL_SetRelativeMouseMode");
+	}
+}
+
+void Window::ReleaseMouse() {
+	if (SDL_SetRelativeMouseMode(SDL_FALSE) != 0) {
+		sdl_error("SDL_SetRelativeMouseMode");
+	}
+}
+
 GLContext Window::CreateContext() {
 	return GLContext(handle);
 }
@@ -110,6 +149,23 @@ void GLContext::EnableVSync() {
 	}
 }
 
+void GLContext::EnableDepthTest() noexcept {
+	glEnable(GL_DEPTH_TEST);
+	glDepthFunc(GL_LESS);
+}
+
+void GLContext::EnableBackfaceCulling() noexcept {
+	glEnable(GL_CULL_FACE);
+}
+
+void GLContext::Clear() noexcept {
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+void GLContext::ClearDepthBuffer() noexcept {
+	glClear(GL_DEPTH_BUFFER_BIT);
+}
+
 
 InitGLEW::InitGLEW() {
 	glewExperimental = GL_TRUE;
@@ -126,8 +182,4 @@ InitGLEW::InitGLEW() {
 	}
 }
 
-InitGLEW::~InitGLEW() {
-
-}
-
 }