diff options
-rw-r--r-- | c_src/esdl2.h | 1 | ||||
-rw-r--r-- | c_src/sdl_renderer.c | 28 | ||||
-rw-r--r-- | src/esdl2.erl | 4 | ||||
-rw-r--r-- | src/sdl_renderer.erl | 8 |
4 files changed, 41 insertions, 0 deletions
diff --git a/c_src/esdl2.h b/c_src/esdl2.h index f0e54c9..34871be 100644 --- a/c_src/esdl2.h +++ b/c_src/esdl2.h @@ -152,6 +152,7 @@ F(get_num_render_drivers, 0) \ F(get_render_draw_blend_mode, 1) \ F(get_render_draw_color, 1) \ + F(get_render_output_size, 1) \ F(render_clear, 1) \ F(render_copy, 4) \ F(render_present, 1) \ diff --git a/c_src/sdl_renderer.c b/c_src/sdl_renderer.c index 7787a3c..e3155ae 100644 --- a/c_src/sdl_renderer.c +++ b/c_src/sdl_renderer.c @@ -163,6 +163,34 @@ NIF_FUNCTION(get_render_draw_color) NIF_RES_GET(Renderer, renderer_res)); } +// get_render_output_size + +NIF_CALL_HANDLER(thread_get_render_output_size) +{ + int w, h; + + if (SDL_GetRendererOutputSize(args[0], &w, &h)) + return sdl_error_tuple(env); + + return enif_make_tuple2(env, + atom_ok, + enif_make_tuple2(env, + enif_make_int(env, w), + enif_make_int(env, h) + ) + ); +} + +NIF_FUNCTION(get_render_output_size) +{ + void* renderer_res; + + BADARG_IF(!enif_get_resource(env, argv[0], res_Renderer, &renderer_res)); + + return nif_thread_call(env, thread_get_render_output_size, 1, + NIF_RES_GET(Renderer, renderer_res)); +} + // render_clear NIF_CALL_HANDLER(thread_render_clear) diff --git a/src/esdl2.erl b/src/esdl2.erl index a64ee4c..c0ca182 100644 --- a/src/esdl2.erl +++ b/src/esdl2.erl @@ -57,6 +57,7 @@ -export([get_num_render_drivers/0]). -export([get_render_draw_blend_mode/1]). -export([get_render_draw_color/1]). +-export([get_render_output_size/1]). -export([render_clear/1]). -export([render_copy/4]). -export([render_present/1]). @@ -219,6 +220,9 @@ get_render_draw_blend_mode(_) -> get_render_draw_color(_) -> erlang:nif_error({not_loaded, ?MODULE}). +get_render_output_size(_) -> + erlang:nif_error({not_loaded, ?MODULE}). + render_clear(_) -> erlang:nif_error({not_loaded, ?MODULE}). diff --git a/src/sdl_renderer.erl b/src/sdl_renderer.erl index 01bc314..7d56f19 100644 --- a/src/sdl_renderer.erl +++ b/src/sdl_renderer.erl @@ -18,6 +18,7 @@ -export([count_drivers/0]). -export([get_draw_blend_mode/1]). -export([get_draw_color/1]). +-export([get_output_size/1]). -export([clear/1]). -export([copy/2]). -export([copy/4]). @@ -47,6 +48,13 @@ get_draw_color(Renderer) -> Mode end. +get_output_size(Renderer) -> + esdl2:get_render_output_size(Renderer), + receive {'_nif_thread_ret_', Ret} -> + {ok, Mode} = Ret, + Mode + end. + clear(Renderer) -> esdl2:render_clear(Renderer), receive {'_nif_thread_ret_', Ret} -> Ret end. |