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EFB Access now works from both Dual Core and Single Core modes. Thread-safe.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3644 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY
2009-07-02 10:16:06 +00:00
parent ae2a5b8587
commit 7a05aafe39
6 changed files with 78 additions and 28 deletions
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91
Source/Plugins/Plugin_VideoOGL/Src/main.cpp
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@ -96,6 +96,11 @@ int GLScissorX, GLScissorY, GLScissorW, GLScissorH;
static bool s_PluginInitialized = false;
static volatile u32 s_AccessEFBResult = 0, s_EFBx, s_EFBy;
static volatile EFBAccessType s_AccessEFBType;
static Common::Event s_AccessEFBDone;
static Common::CriticalSection s_criticalEFB;
#if defined(HAVE_WX) && HAVE_WX
void DllDebugger(HWND _hParent, bool Show)
{
@ -458,36 +463,36 @@ void Video_UpdateXFB(u32 _dwXFBAddr, u32 _dwWidth, u32 _dwHeight, s32 _dwYOffset
}
}
u32 Video_AccessEFB(EFBAccessType type, u32 x, u32 y)
void Video_OnThreadAccessEFB()
{
switch (type)
s_criticalEFB.Enter();
s_AccessEFBResult = 0;
switch (s_AccessEFBType)
{
case PEEK_Z:
{
if (!g_VideoInitialize.bUseDualCore)
u32 z = 0;
float xScale = Renderer::GetTargetScaleX();
float yScale = Renderer::GetTargetScaleY();
if (g_Config.iMultisampleMode != MULTISAMPLE_OFF)
{
u32 z = 0;
float xScale = Renderer::GetTargetScaleX();
float yScale = Renderer::GetTargetScaleY();
if (g_Config.iMultisampleMode != MULTISAMPLE_OFF)
{
// Find the proper dimensions
TRectangle source, scaledTargetSource;
ComputeBackbufferRectangle(&source);
source.Scale(xScale, yScale, &scaledTargetSource);
// This will resolve and bind to the depth buffer
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Renderer::ResolveAndGetDepthTarget(scaledTargetSource));
}
// Read the z value! Also adjust the pixel to read to the upscaled EFB resolution
// Plus we need to flip the y value as the OGL image is upside down
glReadPixels(x*xScale, Renderer::GetTargetHeight() - y*yScale, xScale, yScale, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, &z);
GL_REPORT_ERRORD();
// Clamp the 32bits value returned by glReadPixels to a 24bits value (GC uses a 24bits Z-Buffer)
return z / 0x100;
// Find the proper dimensions
TRectangle source, scaledTargetSource;
ComputeBackbufferRectangle(&source);
source.Scale(xScale, yScale, &scaledTargetSource);
// This will resolve and bind to the depth buffer
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Renderer::ResolveAndGetDepthTarget(scaledTargetSource));
}
// Read the z value! Also adjust the pixel to read to the upscaled EFB resolution
// Plus we need to flip the y value as the OGL image is upside down
glReadPixels(s_EFBx*xScale, Renderer::GetTargetHeight() - s_EFBy*yScale, xScale, yScale, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, &z);
GL_REPORT_ERRORD();
// Clamp the 32bits value returned by glReadPixels to a 24bits value (GC uses a 24bits Z-Buffer)
s_AccessEFBResult = z / 0x100;
}
break;
@ -503,6 +508,42 @@ u32 Video_AccessEFB(EFBAccessType type, u32 x, u32 y)
default:
break;
}
return 0;
s_AccessEFBDone.Set();
s_criticalEFB.Leave();
}
u32 Video_AccessEFB(EFBAccessType type, u32 x, u32 y)
{
u32 result;
s_criticalEFB.Enter();
s_AccessEFBType = type;
s_EFBx = x;
s_EFBy = y;
if (g_VideoInitialize.bUseDualCore)
{
g_EFBAccessRequested = true;
s_AccessEFBDone.Init();
}
s_criticalEFB.Leave();
if (g_VideoInitialize.bUseDualCore)
s_AccessEFBDone.Wait();
else
Video_OnThreadAccessEFB();
s_criticalEFB.Enter();
if (g_VideoInitialize.bUseDualCore)
s_AccessEFBDone.Shutdown();
result = s_AccessEFBResult;
s_criticalEFB.Leave();
return result;
}