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FIFO: allocate slightly more for SIMD vertex loader overreads 

May fix crashes in rare cases.
This commit is contained in:
Fiora 2014-12-08 18:49:57 -08:00
parent 4c139ca7cc
commit 3effd08843
1 changed files with 3 additions and 2 deletions
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5
Source/Core/VideoCommon/Fifo.cpp
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@ -94,7 +94,8 @@ void Fifo_PauseAndLock(bool doLock, bool unpauseOnUnlock)
void Fifo_Init()
{
s_video_buffer = (u8*)AllocateMemoryPages(FIFO_SIZE);
// Padded so that SIMD overreads in the vertex loader are safe
s_video_buffer = (u8*)AllocateMemoryPages(FIFO_SIZE + 4);
ResetVideoBuffer();
GpuRunningState = false;
Common::AtomicStore(CommandProcessor::VITicks, CommandProcessor::m_cpClockOrigin);
@ -103,7 +104,7 @@ void Fifo_Init()
void Fifo_Shutdown()
{
if (GpuRunningState) PanicAlert("Fifo shutting down while active");
FreeMemoryPages(s_video_buffer, FIFO_SIZE);
FreeMemoryPages(s_video_buffer, FIFO_SIZE + 4);
s_video_buffer = nullptr;
s_video_buffer_write_ptr = nullptr;
s_video_buffer_pp_read_ptr = nullptr;