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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/loopwave.c
View File

@@ -42,7 +42,7 @@ static int fillerup(void)
return 0;
}
int SDL_AppInit(int argc, char *argv[])
int SDL_AppInit(void **appstate, int argc, char *argv[])
{
int i;
char *filename = NULL;
@@ -119,17 +119,17 @@ int SDL_AppInit(int argc, char *argv[])
return 0;
}
int SDL_AppEvent(const SDL_Event *event)
int SDL_AppEvent(void *appstate, const SDL_Event *event)
{
return (event->type == SDL_EVENT_QUIT) ? 1 : 0;
}
int SDL_AppIterate(void)
int SDL_AppIterate(void *appstate)
{
return fillerup();
}
void SDL_AppQuit(void)
void SDL_AppQuit(void *appstate)
{
SDL_DestroyAudioStream(stream);
SDL_free(wave.sound);

8
test/testaudio.c
View File

@@ -1036,7 +1036,7 @@ static void WindowResized(const int newwinw, const int newwinh)
state->window_h = newwinh;
}
int SDL_AppInit(int argc, char *argv[])
int SDL_AppInit(void **appstate, int argc, char *argv[])
{
int i;
@@ -1094,7 +1094,7 @@ int SDL_AppInit(int argc, char *argv[])
static SDL_bool saw_event = SDL_FALSE;
int SDL_AppEvent(const SDL_Event *event)
int SDL_AppEvent(void *appstate, const SDL_Event *event)
{
Thing *thing = NULL;
@@ -1214,7 +1214,7 @@ int SDL_AppEvent(const SDL_Event *event)
return SDLTest_CommonEventMainCallbacks(state, event);
}
int SDL_AppIterate(void)
int SDL_AppIterate(void *appstate)
{
if (app_ready_ticks == 0) {
app_ready_ticks = SDL_GetTicks();
@@ -1232,7 +1232,7 @@ int SDL_AppIterate(void)
return 0; /* keep going. */
}
void SDL_AppQuit(void)
void SDL_AppQuit(void *appstate)
{
while (things) {
DestroyThing(things); /* make sure all the audio devices are closed, etc. */

8
test/testaudiocapture.c
View File

@@ -21,7 +21,7 @@ static SDL_AudioStream *stream_in = NULL;
static SDL_AudioStream *stream_out = NULL;
static SDLTest_CommonState *state = NULL;
int SDL_AppInit(int argc, char **argv)
int SDL_AppInit(void **appstate, int argc, char **argv)
{
SDL_AudioDeviceID *devices;
SDL_AudioSpec outspec;
@@ -145,7 +145,7 @@ int SDL_AppInit(int argc, char **argv)
return 0;
}
int SDL_AppEvent(const SDL_Event *event)
int SDL_AppEvent(void *appstate, const SDL_Event *event)
{
if (event->type == SDL_EVENT_QUIT) {
return 1; /* terminate as success. */
@@ -169,7 +169,7 @@ int SDL_AppEvent(const SDL_Event *event)
return 0; /* keep going. */
}
int SDL_AppIterate(void)
int SDL_AppIterate(void *appstate)
{
if (!SDL_AudioDevicePaused(SDL_GetAudioStreamDevice(stream_in))) {
SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
@@ -195,7 +195,7 @@ int SDL_AppIterate(void)
return 0; /* keep app going. */
}
void SDL_AppQuit(void)
void SDL_AppQuit(void *appstate)
{
SDL_Log("Shutting down.\n");
const SDL_AudioDeviceID devid_in = SDL_GetAudioStreamDevice(stream_in);

8
test/testcamera.c
View File

@@ -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);

8
test/testsprite.c
View File

@@ -45,7 +45,7 @@ static SDL_bool suspend_when_occluded;
/* -1: infinite random moves (default); >=0: enables N deterministic moves */
static int iterations = -1;
void SDL_AppQuit(void)
void SDL_AppQuit(void *appstate)
{
SDL_free(sprites);
SDL_free(positions);
@@ -386,12 +386,12 @@ static void MoveSprites(SDL_Renderer *renderer, SDL_Texture *sprite)
SDL_RenderPresent(renderer);
}
int SDL_AppEvent(const SDL_Event *event)
int SDL_AppEvent(void *appstate, const SDL_Event *event)
{
return SDLTest_CommonEventMainCallbacks(state, event);
}
int SDL_AppIterate(void)
int SDL_AppIterate(void *appstate)
{
Uint64 now;
int i;
@@ -425,7 +425,7 @@ int SDL_AppIterate(void)
return 0; /* keep going */
}
int SDL_AppInit(int argc, char *argv[])
int SDL_AppInit(void **appstate, int argc, char *argv[])
{
int i;
Uint64 seed;