lovr.graphics.reset;

src/graphics/graphics.c

@@ -16,18 +16,10 @@ static GraphicsState state;
 
 void lovrGraphicsInit() {
   vec_init(&state.transforms);
-  vec_push(&state.transforms, mat4_init());
-
   state.projection = mat4_init();
   state.lastTransform = mat4_init();
   state.lastProjection = mat4_init();
 
-  memset(state.lastTransform, 0, 16);
-  memset(state.lastProjection, 0, 16);
-
-  // TODO customize via lovr.conf
-  lovrGraphicsSetProjection(.1f, 100.f, 67 * M_PI / 180);
-
   char vertexShaderSource[128];
   snprintf(vertexShaderSource, sizeof(vertexShaderSource), "%s",
     "void main() { \n"
@@ -43,6 +35,27 @@ void lovrGraphicsInit() {
   );
 
   state.defaultShader = lovrGraphicsNewShader(vertexShaderSource, fragmentShaderSource);
+
+  lovrGraphicsReset();
+}
+
+void lovrGraphicsReset() {
+  int i;
+  mat4 matrix;
+
+  vec_foreach(&state.transforms, matrix, i) {
+    mat4_deinit(matrix);
+  }
+
+  vec_clear(&state.transforms);
+  vec_push(&state.transforms, mat4_init());
+
+  memset(state.lastTransform, 0, 16);
+  memset(state.lastProjection, 0, 16);
+
+  // TODO customize via lovr.conf
+  lovrGraphicsSetProjection(.1f, 100.f, 67 * M_PI / 180);
+
   lovrGraphicsSetShader(state.defaultShader);
 }
 

src/graphics/graphics.h

@@ -18,6 +18,7 @@ typedef struct {
 #endif
 
 void lovrGraphicsInit();
+void lovrGraphicsReset();
 void lovrGraphicsClear(int color, int depth);
 void lovrGraphicsPresent();
 void lovrGraphicsPrepare();

src/lovr/graphics.c

@@ -6,6 +6,7 @@
 #include "../util.h"
 
 const luaL_Reg lovrGraphics[] = {
+  { "reset", l_lovrGraphicsReset },
   { "clear", l_lovrGraphicsClear },
   { "present", l_lovrGraphicsPresent },
   { "getClearColor", l_lovrGraphicsGetClearColor },
@@ -47,6 +48,11 @@ int l_lovrGraphicsInit(lua_State* L) {
   return 1;
 }
 
+int l_lovrGraphicsReset(lua_State* L) {
+  lovrGraphicsReset();
+  return 0;
+}
+
 int l_lovrGraphicsClear(lua_State* L) {
   int color = lua_gettop(L) < 1 || lua_toboolean(L, 1);
   int depth = lua_gettop(L) < 2 || lua_toboolean(L, 2);

src/lovr/graphics.h

@@ -8,6 +8,7 @@ map_int_t BufferUsages;
 
 extern const luaL_Reg lovrGraphics[];
 int l_lovrGraphicsInit(lua_State* L);
+int l_lovrGraphicsReset(lua_State* L);
 int l_lovrGraphicsClear(lua_State* L);
 int l_lovrGraphicsPresent(lua_State* L);
 int l_lovrGraphicsGetClearColor(lua_State* L);

src/matrix.c

@@ -15,6 +15,10 @@ mat4 mat4_init() {
   return mat4_setIdentity(matrix);
 }
 
+void mat4_deinit(mat4 matrix) {
+  free(matrix);
+}
+
 mat4 mat4_copy(mat4 source) {
   mat4 matrix = mat4_init();
   memcpy(matrix, source, 16 * sizeof(float));
@@ -61,10 +65,6 @@ mat4 mat4_fromMat44(mat4 matrix, float (*source)[4]) {
   return matrix;
 }
 
-void mat4_deinit(mat4 matrix) {
-  free(matrix);
-}
-
 mat4 mat4_setIdentity(mat4 matrix) {
   memset(matrix, 0, 16 * sizeof(float));
   matrix[0] = matrix[5] = matrix[10] = matrix[15] = 1.f;