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main: Add an optional appstate param to main callback entry points.

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This allows apps to maintain state data without using global variables.

Fixes #9377.
This commit is contained in:
Ryan C. Gordon
2024-03-27 17:22:08 -04:00
parent a9dbdb1947
commit 38e3c6a4aa
7 changed files with 57 additions and 32 deletions
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8
test/testcamera.c
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@@ -26,7 +26,7 @@ static SDL_Surface *frame_current = NULL;
static SDL_CameraDeviceID front_camera = 0;
static SDL_CameraDeviceID back_camera = 0;
int SDL_AppInit(int argc, char *argv[])
int SDL_AppInit(void **appstate, int argc, char *argv[])
{
int devcount = 0;
int i;
@@ -159,7 +159,7 @@ static int FlipCamera(void)
return 0;
}
int SDL_AppEvent(const SDL_Event *event)
int SDL_AppEvent(void *appstate, const SDL_Event *event)
{
switch (event->type) {
case SDL_EVENT_KEY_DOWN: {
@@ -209,7 +209,7 @@ int SDL_AppEvent(const SDL_Event *event)
return SDLTest_CommonEventMainCallbacks(state, event);
}
int SDL_AppIterate(void)
int SDL_AppIterate(void *appstate)
{
SDL_SetRenderDrawColor(renderer, 0x99, 0x99, 0x99, 255);
SDL_RenderClear(renderer);
@@ -262,7 +262,7 @@ int SDL_AppIterate(void)
return 0; /* keep iterating. */
}
void SDL_AppQuit(void)
void SDL_AppQuit(void *appstate)
{
SDL_ReleaseCameraFrame(camera, frame_current);
SDL_CloseCamera(camera);