diff options
| -rw-r--r-- | README.md | 3 | ||||
| -rw-r--r-- | c_src/esdl2.h | 4 | ||||
| -rw-r--r-- | c_src/sdl_gl.c | 69 | ||||
| -rw-r--r-- | src/esdl2.erl | 12 | ||||
| -rw-r--r-- | src/sdl_gl.erl | 30 |
5 files changed, 115 insertions, 3 deletions
@@ -87,15 +87,12 @@ The following tasks remain to be done: * SDL_GL_ResetAttributes() * SDL_GL_SetAttribute() * SDL_GL_GetAttribute() - * SDL_GL_CreateContext() * SDL_GL_MakeCurrent() * SDL_GL_GetCurrentWindow() * SDL_GL_GetCurrentContext() * SDL_GL_GetDrawableSize() * SDL_GL_SetSwapInterval() * SDL_GL_GetSwapInterval() - * SDL_GL_SwapWindow() - * SDL_GL_DeleteContext() * We do not support any of the video driver related functions: * SDL_GetNumVideoDrivers() * SDL_GetVideoDriver() diff --git a/c_src/esdl2.h b/c_src/esdl2.h index 6e69cff..ac479b4 100644 --- a/c_src/esdl2.h +++ b/c_src/esdl2.h @@ -123,6 +123,7 @@ #define NIF_RES_TYPE(r) SDL_ ## r #define NIF_RESOURCES(R) \ + R(GLContext) \ R(Renderer) \ R(Surface) \ R(Texture) \ @@ -162,6 +163,9 @@ /* sdl_filesystem */ \ F(get_base_path, 0) \ F(get_pref_path, 2) \ + /* sdl_gl */ \ + F(gl_create_context, 1) \ + F(gl_swap_window, 1) \ /* sdl_power */ \ F(get_power_info, 0) \ /* sdl_renderer */ \ diff --git a/c_src/sdl_gl.c b/c_src/sdl_gl.c new file mode 100644 index 0000000..febd49f --- /dev/null +++ b/c_src/sdl_gl.c @@ -0,0 +1,69 @@ +// Copyright (c) 2015, Loïc Hoguin <[email protected]> +// +// Permission to use, copy, modify, and/or distribute this software for any +// purpose with or without fee is hereby granted, provided that the above +// copyright notice and this permission notice appear in all copies. +// +// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +#include "esdl2.h" + +void dtor_GLContext(ErlNifEnv* env, void* obj) +{ + SDL_GL_DeleteContext(NIF_RES_GET(GLContext, obj)); + enif_release_resource(NIF_RES_DEP(GLContext, obj)); +} + +// gl_create_context + +NIF_CALL_HANDLER(thread_gl_create_context) +{ + SDL_GLContext context; + ERL_NIF_TERM term; + + context = SDL_GL_CreateContext(args[0]); + if (!context) + return sdl_error_tuple(env); + + enif_keep_resource(args[0]); + + NIF_RES_TO_TERM_WITH_DEP(GLContext, context, term, args[0]); + + return enif_make_tuple2(env, + atom_ok, + term + ); +} + +NIF_FUNCTION(gl_create_context) +{ + void* window_res; + + BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res)); + + return nif_thread_call(env, thread_gl_create_context, 1, + NIF_RES_GET(Window, window_res)); +} + +// gl_swap_window + +NIF_CAST_HANDLER(thread_gl_swap_window) +{ + SDL_GL_SwapWindow(args[0]); +} + +NIF_FUNCTION(gl_swap_window) +{ + void* window_res; + + BADARG_IF(!enif_get_resource(env, argv[0], res_Window, &window_res)); + + return nif_thread_cast(env, thread_gl_swap_window, 1, + NIF_RES_GET(Window, window_res)); +} diff --git a/src/esdl2.erl b/src/esdl2.erl index ec07b2c..af8f322 100644 --- a/src/esdl2.erl +++ b/src/esdl2.erl @@ -49,6 +49,10 @@ -export([get_base_path/0]). -export([get_pref_path/2]). +%% sdl_gl +-export([gl_create_context/1]). +-export([gl_swap_window/1]). + %% sdl_power -export([get_power_info/0]). @@ -225,6 +229,14 @@ get_base_path() -> get_pref_path(_, _) -> erlang:nif_error({not_loaded, ?MODULE}). +%% sdl_gl + +gl_create_context(_) -> + erlang:nif_error({not_loaded, ?MODULE}). + +gl_swap_window(_) -> + erlang:nif_error({not_loaded, ?MODULE}). + %% sdl_power get_power_info() -> diff --git a/src/sdl_gl.erl b/src/sdl_gl.erl new file mode 100644 index 0000000..457994a --- /dev/null +++ b/src/sdl_gl.erl @@ -0,0 +1,30 @@ +%% Copyright (c) 2015, Loïc Hoguin <[email protected]> +%% +%% Permission to use, copy, modify, and/or distribute this software for any +%% purpose with or without fee is hereby granted, provided that the above +%% copyright notice and this permission notice appear in all copies. +%% +%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +-module(sdl_gl). + +-export([create_context/1]). +-export([swap_window/1]). + +-opaque context() :: <<>>. +-export_type([context/0]). + +-spec create_context(sdl_window:window()) -> {ok, context()} | sdl:error(). +create_context(Window) -> + esdl2:gl_create_context(Window), + receive {'_nif_thread_ret_', Ret} -> Ret end. + +-spec swap_window(sdl_window:window()) -> ok. +swap_window(Window) -> + esdl2:gl_swap_window(Window). |