add option to pass extra SDL flags to initRenderState

include/tangerine.h

@@ -90,6 +90,7 @@ struct SDLHandles
 	SDL_Window* window;
 	SDL_GLContext sdl_gl_ctx;
 	SDL_DisplayMode display_mode;
+	u32 SDL_flags;
 };
 
 // TODO: node/tree structure for entities
@@ -191,6 +192,7 @@ struct RenderState
 
 #define DEFAULT_WIDTH 1280
 #define DEFAULT_HEIGHT 720
+#define DEFAULT_SDL_FLAGS SDL_WINDOW_OPENGL|SDL_WINDOW_RESIZABLE
 #define DEFAULT_MODEL_COUNT 256
 #define DEFAULT_TEXTURE_COUNT 64
 #define DEFAULT_SHADER_COUNT 64
@@ -201,6 +203,7 @@ struct RenderState
 #define DEFAULT_MAX_LIGHTS 32 // NOTE: needs to match NUM_LIGHTS in shaders
 RenderState* initRenderState(const char* window_title = "tangerine",
 	uvec2 window_dims = uvec2(DEFAULT_WIDTH, DEFAULT_HEIGHT),
+	u32 SDL_flags = DEFAULT_SDL_FLAGS,
 	GLClearColor clear_col = DEFAULT_CLEAR_COLOR,
 	vec4 ambient_color = DEFAULT_AMBIENT_COLOR,
 	u32 max_models = DEFAULT_MODEL_COUNT,

src/tangerine.cpp

@@ -20,6 +20,7 @@ LightsBuffer* initLights(RenderState* rs, u32 max_lights, vec4 ambient_color);
 RenderState*
 initRenderState(const char* window_title,
 	uvec2 window_dims,
+	u32 SDL_flags,
 	GLClearColor clear_col,
 	vec4 ambient_color,
 	u32 max_models,
@@ -45,6 +46,7 @@ initRenderState(const char* window_title,
 		rs->max_render_groups = DEFAULT_RENDER_GROUP_COUNT;
 		rs->render_groups = ARENA_ALLOC(rs->rg_arena, RenderGroup,
 				DEFAULT_RENDER_GROUP_COUNT);
+		rs->handles.SDL_flags = SDL_flags;
 
 		if (!initGraphics(&rs->handles, window_title, window_dims)) {
 			LOGF(Error, "error initializing renderer\n");
@@ -275,7 +277,7 @@ initGraphics(SDLHandles* handles, const char* title, uvec2 dims)
 		SDL_WINDOWPOS_CENTERED_DISPLAY(0),
 		dims.x,
 		dims.y,
-		SDL_WINDOW_OPENGL|SDL_WINDOW_RESIZABLE);
+		handles->SDL_flags);
 
 	if (SDL_Init(SDL_INIT_VIDEO) != 0) {
 		std::cout << "error, sdl init: " << SDL_GetError() << "\n";