From e9650f1c6197baa7e532559964f42578bdde42d5 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Mon, 5 Jan 2015 00:19:28 -0500
Subject: DSP: Signal (faked) interrupt on every frame.
- Hack to work around games checking that the DSP event has been signaled by a real DSP interrupt.
---
src/core/hw/gpu.cpp | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
(limited to 'src/core/hw/gpu.cpp')
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
index 0ff6c6cde1..e346e0ad6f 100644
--- a/src/core/hw/gpu.cpp
+++ b/src/core/hw/gpu.cpp
@@ -10,6 +10,7 @@
#include "core/hle/hle.h"
#include "core/hle/service/gsp_gpu.h"
+#include "core/hle/service/dsp_dsp.h"
#include "core/hw/gpu.h"
@@ -214,13 +215,18 @@ void Update() {
// - If frameskip == 0 (disabled), always swap buffers
// - If frameskip == 1, swap buffers every other frame (starting from the first frame)
// - If frameskip > 1, swap buffers every frameskip^n frames (starting from the second frame)
-
if ((((Settings::values.frame_skip != 1) ^ last_skip_frame) && last_skip_frame != g_skip_frame) ||
Settings::values.frame_skip == 0) {
VideoCore::g_renderer->SwapBuffers();
}
+ // Signal to GSP that GPU interrupt has occurred
GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PDC1);
+
+ // TODO(bunnei): Fake a DSP interrupt on each frame. This does not belong here, but
+ // until we can emulate DSP interrupts, this is probably the only reasonable place to do
+ // this. Certain games expect this to be periodically signaled.
+ DSP_DSP::SignalInterrupt();
}
}
}
--
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