1 files changed, 17 insertions, 14 deletions

diff --git a/src/graphics/vertex_buffer.c b/src/graphics/vertex_buffer.c
index 5a8e768..1f122c3 100644
--- a/src/graphics/vertex_buffer.c
+++ b/src/graphics/vertex_buffer.c
@@ -17,19 +17,12 @@ static unsigned int mgl_vertex_buffer_usage_to_gl_usage(mgl_vertex_buffer_usage
     return 0;
 }
 
-int mgl_vertex_buffer_init(mgl_vertex_buffer *self, mgl_primitive_type primitive_type, mgl_vertex_buffer_usage usage) {
+void mgl_vertex_buffer_init(mgl_vertex_buffer *self) {
     self->id = 0;
     self->vertex_count = 0;
-    self->primitive_type = primitive_type;
-    self->usage = usage;
+    self->primitive_type = -1;
+    self->usage = -1;
     self->position = (mgl_vec2f){ 0.0f, 0.0f };
-
-    mgl_context *context = mgl_get_context();
-    context->gl.glGenBuffers(1, &self->id);
-    if(self->id == 0)
-        return -1;
-
-    return 0;
 }
 
 void mgl_vertex_buffer_deinit(mgl_vertex_buffer *self) {
@@ -50,8 +43,18 @@ static void mgl_vertex_buffer_set_gl_buffer_pointers(mgl_context *context) {
 }
 
 /* TODO: Check for glBufferData error */
-static int mgl_vertex_buffer_resize(mgl_vertex_buffer *self, const mgl_vertex *vertices, size_t vertex_count) {
+static int mgl_vertex_buffer_resize(mgl_vertex_buffer *self, const mgl_vertex *vertices, size_t vertex_count, mgl_primitive_type primitive_type, mgl_vertex_buffer_usage usage) {
     mgl_context *context = mgl_get_context();
+
+    if(self->id == 0) {
+        context->gl.glGenBuffers(1, &self->id);
+        if(self->id == 0)
+            return -1;
+    }
+
+    self->primitive_type = primitive_type;
+    self->usage = usage;
+
     context->gl.glBindBuffer(GL_ARRAY_BUFFER, self->id);
     context->gl.glBufferData(GL_ARRAY_BUFFER, sizeof(mgl_vertex) * vertex_count, vertices, mgl_vertex_buffer_usage_to_gl_usage(self->usage));
     mgl_vertex_buffer_set_gl_buffer_pointers(context);
@@ -65,9 +68,9 @@ void mgl_vertex_buffer_set_position(mgl_vertex_buffer *self, mgl_vec2f position)
 }
 
 /* TODO: Check for glBufferSubData error */
-int mgl_vertex_buffer_update(mgl_vertex_buffer *self, const mgl_vertex *vertices, size_t vertex_count) {
-    if(vertex_count != self->vertex_count)
-        return mgl_vertex_buffer_resize(self, vertices, vertex_count);
+int mgl_vertex_buffer_update(mgl_vertex_buffer *self, const mgl_vertex *vertices, size_t vertex_count, mgl_primitive_type primitive_type, mgl_vertex_buffer_usage usage) {
+    if(vertex_count != self->vertex_count || primitive_type != self->primitive_type || usage != self->usage)
+        return mgl_vertex_buffer_resize(self, vertices, vertex_count, primitive_type, usage);
 
     mgl_context *context = mgl_get_context();
     context->gl.glBindBuffer(GL_ARRAY_BUFFER, self->id);