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-rw-r--r--src/core/hle/service/hid/hid.cpp48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index 5812724d2..29213e0fe 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -29,6 +29,10 @@ static u32 next_pad_index = 0;
static s16 next_pad_circle_x = 0;
static s16 next_pad_circle_y = 0;
+static u32 next_touch_index = 0;
+static u16 next_touch_x = 0;
+static u16 next_touch_y = 0;
+
/**
* Gets a pointer to the PadData structure inside HID shared memory
*/
@@ -125,6 +129,50 @@ void PadUpdateComplete() {
g_event_pad_or_touch_2->Signal();
}
+void TouchPress(u16 x, u16 y) {
+ next_touch_x = x;
+ next_touch_y = y;
+}
+
+void TouchRelease() {
+ next_touch_x = 0;
+ next_touch_y = 0;
+}
+
+void TouchUpdateComplete() {
+ SharedMem* shared_mem = GetSharedMem();
+
+ if (shared_mem == nullptr)
+ return;
+
+ shared_mem->touch.index = next_touch_index;
+ next_touch_index = (next_touch_index + 1) % shared_mem->touch.entries.size();
+
+ // Get the current touch entry
+ TouchDataEntry* current_touch_entry = &shared_mem->touch.entries[shared_mem->touch.index];
+
+ // Set touchpad position
+ current_touch_entry->x = next_touch_x;
+ current_touch_entry->y = next_touch_y;
+
+ // TODO(bunnei): Verify this behavior on real hardware
+ current_touch_entry->data_valid = (next_touch_x || next_touch_y) ? 1 : 0;
+
+ // TODO(bunnei): We're not doing anything with offset 0xA8 + 0x18 of HID SharedMemory, which
+ // supposedly is "Touch-screen entry, which contains the raw coordinate data prior to being
+ // converted to pixel coordinates." (http://3dbrew.org/wiki/HID_Shared_Memory#Offset_0xA8).
+
+ // If we just updated index 0, provide a new timestamp
+ if (shared_mem->touch.index == 0) {
+ shared_mem->touch.index_reset_ticks_previous = shared_mem->touch.index_reset_ticks;
+ shared_mem->touch.index_reset_ticks = (s64)Core::g_app_core->GetTicks();
+ }
+
+ // Signal both handles when there's an update to Pad or touch
+ g_event_pad_or_touch_1->Signal();
+ g_event_pad_or_touch_2->Signal();
+}
+
void GetIPCHandles(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();