lovr.graphics.getDimensions and friends;

src/graphics/graphics.c

@@ -223,6 +223,10 @@ void lovrGraphicsScale(float x, float y, float z) {
   mat4_scale(vec_last(&state.transforms), x, y, z);
 }
 
+void lovrGraphicsGetDimensions(int* width, int* height) {
+  glfwGetFramebufferSize(window, width, height);
+}
+
 Buffer* lovrGraphicsNewBuffer(int size, BufferDrawMode drawMode, BufferUsage usage) {
   Buffer* buffer = malloc(sizeof(Buffer));
 

src/graphics/graphics.h

@@ -60,6 +60,7 @@ void lovrGraphicsOrigin();
 void lovrGraphicsTranslate(float x, float y, float z);
 void lovrGraphicsRotate(float w, float x, float y, float z);
 void lovrGraphicsScale(float x, float y, float z);
+void lovrGraphicsGetDimensions(int* width, int* height);
 Buffer* lovrGraphicsNewBuffer(int size, BufferDrawMode drawMode, BufferUsage usage);
 Model* lovrGraphicsNewModel(const char* path);
 Shader* lovrGraphicsNewShader(const char* vertexSource, const char* fragmentSource);

src/lovr/graphics.c

@@ -25,6 +25,9 @@ const luaL_Reg lovrGraphics[] = {
   { "translate", l_lovrGraphicsTranslate },
   { "rotate", l_lovrGraphicsRotate },
   { "scale", l_lovrGraphicsScale },
+  { "getWidth", l_lovrGraphicsGetWidth },
+  { "getHeight", l_lovrGraphicsGetHeight },
+  { "getDimensions", l_lovrGraphicsGetDimensions },
   { "newModel", l_lovrGraphicsNewModel },
   { "newBuffer", l_lovrGraphicsNewBuffer },
   { "newShader", l_lovrGraphicsNewShader },
@@ -235,6 +238,28 @@ int l_lovrGraphicsScale(lua_State* L) {
   return 0;
 }
 
+int l_lovrGraphicsGetWidth(lua_State* L) {
+  int width;
+  lovrGraphicsGetDimensions(&width, NULL);
+  lua_pushnumber(L, width);
+  return 1;
+}
+
+int l_lovrGraphicsGetHeight(lua_State* L) {
+  int height;
+  lovrGraphicsGetDimensions(NULL, &height);
+  lua_pushnumber(L, height);
+  return 1;
+}
+
+int l_lovrGraphicsGetDimensions(lua_State* L) {
+  int width, height;
+  lovrGraphicsGetDimensions(&width, &height);
+  lua_pushnumber(L, width);
+  lua_pushnumber(L, height);
+  return 2;
+}
+
 int l_lovrGraphicsNewBuffer(lua_State* L) {
   const char* userDrawMode = luaL_optstring(L, 2, "fan");
   BufferDrawMode* drawMode = (BufferDrawMode*) map_get(&BufferDrawModes, userDrawMode);

src/lovr/graphics.h

@@ -28,6 +28,9 @@ int l_lovrGraphicsOrigin(lua_State* L);
 int l_lovrGraphicsTranslate(lua_State* L);
 int l_lovrGraphicsRotate(lua_State* L);
 int l_lovrGraphicsScale(lua_State* L);
+int l_lovrGraphicsGetWidth(lua_State* L);
+int l_lovrGraphicsGetHeight(lua_State* L);
+int l_lovrGraphicsGetDimensions(lua_State* L);
 int l_lovrGraphicsNewBuffer(lua_State* L);
 int l_lovrGraphicsNewModel(lua_State* L);
 int l_lovrGraphicsNewShader(lua_State* L);