From 8bc8047b6f6f86f0969471b9bf5bf43a60a7ac62 Mon Sep 17 00:00:00 2001
From: Cameron Cawley <[EMAIL REDACTED]>
Date: Sat, 13 Apr 2024 23:21:33 +0100
Subject: [PATCH] 3DS: Ensure that touchscreen events are associated with a
window
---
src/video/n3ds/SDL_n3dsevents.c | 2 +-
src/video/n3ds/SDL_n3dstouch.c | 14 +++++++++++---
src/video/n3ds/SDL_n3dstouch.h | 2 +-
src/video/n3ds/SDL_n3dsvideo.c | 25 ++++++++++++++++++++-----
src/video/n3ds/SDL_n3dsvideo.h | 6 ++++++
5 files changed, 39 insertions(+), 10 deletions(-)
diff --git a/src/video/n3ds/SDL_n3dsevents.c b/src/video/n3ds/SDL_n3dsevents.c
index 8c963d9775376..cecf444849d7b 100644
--- a/src/video/n3ds/SDL_n3dsevents.c
+++ b/src/video/n3ds/SDL_n3dsevents.c
@@ -31,7 +31,7 @@
void N3DS_PumpEvents(SDL_VideoDevice *_this)
{
hidScanInput();
- N3DS_PollTouch();
+ N3DS_PollTouch(_this);
if (!aptMainLoop()) {
SDL_Event ev;
diff --git a/src/video/n3ds/SDL_n3dstouch.c b/src/video/n3ds/SDL_n3dstouch.c
index 9d3b94596ab95..4661d09429778 100644
--- a/src/video/n3ds/SDL_n3dstouch.c
+++ b/src/video/n3ds/SDL_n3dstouch.c
@@ -26,7 +26,9 @@
#include <3ds.h>
#include "../../events/SDL_touch_c.h"
+#include "../SDL_sysvideo.h"
#include "SDL_n3dstouch.h"
+#include "SDL_n3dsvideo.h"
#define N3DS_TOUCH_ID 1
#define N3DS_TOUCH_FINGER 1
@@ -50,25 +52,31 @@ void N3DS_QuitTouch(void)
SDL_DelTouch(N3DS_TOUCH_ID);
}
-void N3DS_PollTouch(void)
+void N3DS_PollTouch(SDL_VideoDevice *_this)
{
+ SDL_VideoData *driverdata = (SDL_VideoData *)_this->driverdata;
touchPosition touch;
+ SDL_Window *window;
+ SDL_VideoDisplay *display;
static SDL_bool was_pressed = SDL_FALSE;
SDL_bool pressed;
hidTouchRead(&touch);
pressed = (touch.px != 0 || touch.py != 0);
+ display = SDL_GetVideoDisplay(driverdata->touch_display);
+ window = display ? display->fullscreen_window : NULL;
+
if (pressed != was_pressed) {
was_pressed = pressed;
SDL_SendTouch(0, N3DS_TOUCH_ID, N3DS_TOUCH_FINGER,
- NULL,
+ window,
pressed,
touch.px * TOUCHSCREEN_SCALE_X,
touch.py * TOUCHSCREEN_SCALE_Y,
pressed ? 1.0f : 0.0f);
} else if (pressed) {
SDL_SendTouchMotion(0, N3DS_TOUCH_ID, N3DS_TOUCH_FINGER,
- NULL,
+ window,
touch.px * TOUCHSCREEN_SCALE_X,
touch.py * TOUCHSCREEN_SCALE_Y,
1.0f);
diff --git a/src/video/n3ds/SDL_n3dstouch.h b/src/video/n3ds/SDL_n3dstouch.h
index 495688cb6bbba..c5787cc0aa6b4 100644
--- a/src/video/n3ds/SDL_n3dstouch.h
+++ b/src/video/n3ds/SDL_n3dstouch.h
@@ -24,6 +24,6 @@
void N3DS_InitTouch(void);
void N3DS_QuitTouch(void);
-void N3DS_PollTouch(void);
+void N3DS_PollTouch(SDL_VideoDevice *_this);
#endif /* SDL_n3dstouch_h_ */
diff --git a/src/video/n3ds/SDL_n3dsvideo.c b/src/video/n3ds/SDL_n3dsvideo.c
index 0cc788fa34519..3f75111fe9e18 100644
--- a/src/video/n3ds/SDL_n3dsvideo.c
+++ b/src/video/n3ds/SDL_n3dsvideo.c
@@ -54,11 +54,25 @@ static void N3DS_DeleteDevice(SDL_VideoDevice *device)
static SDL_VideoDevice *N3DS_CreateDevice(void)
{
- SDL_VideoDevice *device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
+ SDL_VideoDevice *device;
+ SDL_VideoData *phdata;
+
+ /* Initialize all variables that we clean on shutdown */
+ device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
if (!device) {
return 0;
}
+ /* Initialize internal data */
+ phdata = (SDL_VideoData *)SDL_calloc(1, sizeof(SDL_VideoData));
+ if (!phdata) {
+ SDL_OutOfMemory();
+ SDL_free(device);
+ return NULL;
+ }
+
+ device->driverdata = phdata;
+
device->VideoInit = N3DS_VideoInit;
device->VideoQuit = N3DS_VideoQuit;
@@ -86,11 +100,13 @@ VideoBootStrap N3DS_bootstrap = { N3DSVID_DRIVER_NAME, "N3DS Video Driver", N3DS
static int N3DS_VideoInit(SDL_VideoDevice *_this)
{
+ SDL_VideoData *driverdata = (SDL_VideoData *)_this->driverdata;
+
gfxInit(GSP_RGBA8_OES, GSP_RGBA8_OES, false);
hidInit();
- AddN3DSDisplay(GFX_TOP);
- AddN3DSDisplay(GFX_BOTTOM);
+ driverdata->top_display = AddN3DSDisplay(GFX_TOP);
+ driverdata->touch_display = AddN3DSDisplay(GFX_BOTTOM);
N3DS_InitTouch();
N3DS_SwkbInit();
@@ -121,8 +137,7 @@ static int AddN3DSDisplay(gfxScreen_t screen)
display.desktop_mode = mode;
display.driverdata = display_driver_data;
- SDL_AddVideoDisplay(&display, SDL_FALSE);
- return 0;
+ return SDL_AddVideoDisplay(&display, SDL_FALSE);
}
static void N3DS_VideoQuit(SDL_VideoDevice *_this)
diff --git a/src/video/n3ds/SDL_n3dsvideo.h b/src/video/n3ds/SDL_n3dsvideo.h
index b5c501568cbc7..5ed72aaed8600 100644
--- a/src/video/n3ds/SDL_n3dsvideo.h
+++ b/src/video/n3ds/SDL_n3dsvideo.h
@@ -27,6 +27,12 @@
#include "../SDL_sysvideo.h"
+struct SDL_VideoData
+{
+ int top_display;
+ int touch_display;
+};
+
struct SDL_WindowData
{
gfxScreen_t screen; /**< Keeps track of which N3DS screen is targeted */