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Implement concurrent rendering.

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This commit is contained in:
Steve Checkoway
2006-01-21 13:33:04 +00:00
parent 297949b7c5
commit 3f5c921357
2 changed files with 43 additions and 6 deletions
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stepmania/src/arch/LowLevelWindow/LowLevelWindow_Cocoa.h
+7 -4
View File
@@ -4,10 +4,7 @@
#include "LowLevelWindow.h"
#include "RageDisplay.h"
#ifndef __OBJC__
typedef void *id;
#endif
typedef struct objc_object *id;
typedef const struct __CFDictionary *CFDictionaryRef;
class LowLevelWindow_Cocoa : public LowLevelWindow
@@ -15,6 +12,7 @@ class LowLevelWindow_Cocoa : public LowLevelWindow
VideoModeParams m_CurrentParams;
id m_Window;
id m_Context;
id m_BGContext;
CFDictionaryRef m_CurrentDisplayMode;
public:
@@ -27,6 +25,11 @@ public:
void Update();
const VideoModeParams &GetActualVideoModeParams() const { return m_CurrentParams; }
bool SupportsThreadedRendering() { return m_BGContext; }
void BeginConcurrentRendering();
void EndConcurrentRendering();
private:
void ShutDownFullScreen();
int ChangeDisplayMode( const VideoModeParams& p );
stepmania/src/arch/LowLevelWindow/LowLevelWindow_Cocoa.mm
+36 -2
View File
@@ -73,7 +73,7 @@ public:
@end
LowLevelWindow_Cocoa::LowLevelWindow_Cocoa() : m_Context(nil), m_CurrentDisplayMode(NULL)
LowLevelWindow_Cocoa::LowLevelWindow_Cocoa() : m_Context(nil), m_BGContext(nil), m_CurrentDisplayMode(NULL)
{
POOL;
NSRect rect = { {0, 0}, {0, 0} };
@@ -218,6 +218,14 @@ CString LowLevelWindow_Cocoa::TryVideoMode( const VideoModeParams& p, bool& newD
m_Context = newContext;
newDeviceOut = !bShared;
m_CurrentParams.bpp = p.bpp;
[m_BGContext release];
m_BGContext = CreateOGLContext( p.bpp, true, m_Context, bShared );
if( m_BGContext && !bShared )
{
[m_BGContext release];
m_BGContext = nil;
}
}
SMMainThread *mt = [[SMMainThread alloc] init];
@@ -259,6 +267,14 @@ CString LowLevelWindow_Cocoa::TryVideoMode( const VideoModeParams& p, bool& newD
m_Context = newContext;
newDeviceOut = !bShared;
m_CurrentParams.bpp = p.bpp;
[m_BGContext release];
m_BGContext = CreateOGLContext( p.bpp, false, m_Context, bShared );
if( m_BGContext && !bShared )
{
[m_BGContext release];
m_BGContext = nil;
}
}
[m_Context setFullScreen];
@@ -393,7 +409,8 @@ void LowLevelWindow_Cocoa::GetDisplayResolutions( DisplayResolutions &dr ) const
void LowLevelWindow_Cocoa::SwapBuffers()
{
[m_Context flushBuffer];
// XXX don't use Obj-C here, use CG.
[[NSOpenGLContext currentContext] flushBuffer];
}
void LowLevelWindow_Cocoa::Update()
@@ -410,3 +427,20 @@ void LowLevelWindow_Cocoa::Update()
[m_Context update];
DISPLAY->ResolutionChanged();
}
void LowLevelWindow_Cocoa::BeginConcurrentRendering()
{
LOG->Trace( __func__ );
if( m_CurrentParams.windowed )
[m_BGContext setView:[m_Window contentView]];
else
[m_BGContext setFullScreen];
[m_BGContext makeCurrentContext];
}
void LowLevelWindow_Cocoa::EndConcurrentRendering()
{
LOG->Trace( __func__ );
[NSOpenGLContext clearCurrentContext];
[m_BGContext clearDrawable];
}