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(Zarch) Some safety checks

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This commit is contained in:
twinaphex 2015-10-04 02:26:06 +02:00
parent 10b1d121c6
commit 7ae238a0f1
1 changed files with 23 additions and 8 deletions
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31
menu/drivers/zarch.c
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@ -156,7 +156,14 @@ static void zui_begin(zui_t *zui)
int dx, dy;
const struct retro_keybind *binds[MAX_USERS];
driver_t *driver = (driver_t*)driver_get_ptr();
gl_t *gl = (gl_t*)driver->video_data;
if (!driver)
return;
gl_t *gl = driver ? (gl_t*)driver->video_data : NULL;
if (!gl)
return;
zui->rendering = true;
@ -164,7 +171,9 @@ static void zui_begin(zui_t *zui)
zui->item.hot = 0;
glViewport(0, 0, zui->width, zui->height);
gl->shader->set_mvp(gl, &zui->mvp);
if (gl && gl->shader && gl->shader->set_mvp)
gl->shader->set_mvp(gl, &zui->mvp);
/* why do i need this? */
zui->mouse.left = input_driver_state(binds, 0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT);
@ -800,14 +809,20 @@ static void zarch_frame(void)
unsigned i;
GRfloat coord_color[16];
GRfloat coord_color2[16];
zui_t *zui = NULL;
settings_t *settings = config_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
gl_t *gl = (gl_t*)driver_get_ptr()->video_data;
zui_t *zui = NULL;
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
gl_t *gl = NULL;
if (!menu)
return;
rarch_assert(menu);
rarch_assert(gl);
gl = driver ? driver->video_data : NULL;
if (!gl)
return;
zui = (zui_t*)menu->userdata;
zui->set = config_get_ptr();
zui->menu = menu;