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Atomic operations library.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3775 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check
2009-07-13 05:38:34 +00:00
parent 3070e159c6
commit d779554ff3
10 changed files with 258 additions and 115 deletions
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34
Source/Plugins/Plugin_VideoOGL/Src/main.cpp
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@ -54,6 +54,7 @@ Make AA apply instantly during gameplay if possible
#include "Globals.h"
#include "LogManager.h"
#include "Thread.h"
#include "Atomic.h"
#include <cstdarg>
@ -101,10 +102,10 @@ int GLScissorX, GLScissorY, GLScissorW, GLScissorH;
static bool s_PluginInitialized = false;
static volatile bool s_swapRequested = false;
static volatile u32 s_swapRequested = false;
static Common::Event s_swapResponseEvent;
static volatile bool s_efbAccessRequested = false;
static volatile u32 s_efbAccessRequested = false;
static Common::Event s_efbResponseEvent;
@ -390,10 +391,10 @@ void Shutdown(void)
{
s_PluginInitialized = false;
s_efbAccessRequested = false;
s_efbAccessRequested = FALSE;
s_efbResponseEvent.Shutdown();
s_swapRequested = false;
s_swapRequested = FALSE;
s_swapResponseEvent.Shutdown();
Fifo_Shutdown();
@ -450,11 +451,9 @@ static volatile struct
// Run from the graphics thread (from Fifo.cpp)
void VideoFifo_CheckSwapRequest()
{
if (s_swapRequested)
if (Common::AtomicLoadAcquire(s_swapRequested))
{
s_swapRequested = false;
Common::MemFence();
s_swapRequested = FALSE;
Renderer::Swap(s_beginFieldArgs.xfbAddr, s_beginFieldArgs.field, s_beginFieldArgs.fbWidth, s_beginFieldArgs.fbHeight);
@ -478,13 +477,10 @@ inline bool addrRangesOverlap(u32 aLower, u32 aUpper, u32 bLower, u32 bUpper)
// Run from the graphics thread (from Fifo.cpp)
void VideoFifo_CheckSwapRequestAt(u32 xfbAddr, u32 fbWidth, u32 fbHeight)
{
if (s_swapRequested)
if (Common::AtomicLoadAcquire(s_swapRequested))
{
u32 aLower = xfbAddr;
u32 aUpper = xfbAddr + 2 * fbWidth * fbHeight;
Common::MemFence();
u32 bLower = s_beginFieldArgs.xfbAddr;
u32 bUpper = s_beginFieldArgs.xfbAddr + 2 * s_beginFieldArgs.fbWidth * s_beginFieldArgs.fbHeight;
@ -508,9 +504,7 @@ void Video_BeginField(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight)
s_beginFieldArgs.fbWidth = fbWidth;
s_beginFieldArgs.fbHeight = fbHeight;
Common::MemFence();
s_swapRequested = true;
Common::AtomicStoreRelease(s_swapRequested, TRUE);
}
}
@ -525,11 +519,9 @@ static volatile u32 s_AccessEFBResult = 0;
void VideoFifo_CheckEFBAccess()
{
if (s_efbAccessRequested)
if (Common::AtomicLoadAcquire(s_efbAccessRequested))
{
s_efbAccessRequested = false;
Common::MemFence();
s_efbAccessRequested = FALSE;
switch (s_accessEFBArgs.type)
{
@ -593,9 +585,7 @@ u32 Video_AccessEFB(EFBAccessType type, u32 x, u32 y)
s_accessEFBArgs.x = x;
s_accessEFBArgs.y = y;
Common::MemFence();
s_efbAccessRequested = true;
Common::AtomicStoreRelease(s_efbAccessRequested, TRUE);
if (g_VideoInitialize.bUseDualCore)
s_efbResponseEvent.MsgWait();