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GLInterface: Support shared contexts on AGL

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This commit is contained in:
Stenzek 2017-07-20 11:38:25 +10:00
parent 01ae02482c
commit 3e508fc0a2
2 changed files with 35 additions and 6 deletions
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8
Source/Core/Common/GL/GLInterface/AGL.h
View File

@ -8,6 +8,7 @@
#import <AppKit/AppKit.h> #import <AppKit/AppKit.h>
#else #else
struct NSOpenGLContext; struct NSOpenGLContext;
struct NSOpenGLPixelFormat;
struct NSView; struct NSView;
#endif #endif
@ -18,13 +19,16 @@ class cInterfaceAGL : public cInterfaceBase
public: public:
void Swap() override; void Swap() override;
bool Create(void* window_handle, bool stereo, bool core) override; bool Create(void* window_handle, bool stereo, bool core) override;
bool Create(cInterfaceBase* main_context) override;
bool MakeCurrent() override; bool MakeCurrent() override;
bool ClearCurrent() override; bool ClearCurrent() override;
void Shutdown() override; void Shutdown() override;
void Update() override; void Update() override;
void SwapInterval(int interval) override; void SwapInterval(int interval) override;
std::unique_ptr<cInterfaceBase> CreateSharedContext() override;
private: private:
NSView* m_view; NSView* m_view = nullptr;
NSOpenGLContext* m_context; NSOpenGLContext* m_context = nullptr;
NSOpenGLPixelFormat* m_pixel_format = nullptr;
}; };

33
Source/Core/Common/GL/GLInterface/AGL.mm
View File

@ -60,15 +60,14 @@ bool cInterfaceAGL::Create(void* window_handle, bool stereo, bool core)
NSOpenGLPFAAccelerated, NSOpenGLPFAAccelerated,
stereo ? NSOpenGLPFAStereo : static_cast<NSOpenGLPixelFormatAttribute>(0), stereo ? NSOpenGLPFAStereo : static_cast<NSOpenGLPixelFormatAttribute>(0),
0}; 0};
NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr]; m_pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
if (fmt == nil) if (m_pixel_format == nil)
{ {
ERROR_LOG(VIDEO, "failed to create pixel format"); ERROR_LOG(VIDEO, "failed to create pixel format");
return false; return false;
} }
m_context = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil]; m_context = [[NSOpenGLContext alloc] initWithFormat:m_pixel_format shareContext:nil];
[fmt release];
if (m_context == nil) if (m_context == nil)
{ {
ERROR_LOG(VIDEO, "failed to create context"); ERROR_LOG(VIDEO, "failed to create context");
@ -82,6 +81,30 @@ bool cInterfaceAGL::Create(void* window_handle, bool stereo, bool core)
return AttachContextToView(m_context, m_view, &s_backbuffer_width, &s_backbuffer_height); return AttachContextToView(m_context, m_view, &s_backbuffer_width, &s_backbuffer_height);
} }
bool cInterfaceAGL::Create(cInterfaceBase* main_context)
{
cInterfaceAGL* agl_context = static_cast<cInterfaceAGL*>(main_context);
NSOpenGLPixelFormat* pixel_format = agl_context->m_pixel_format;
NSOpenGLContext* share_context = agl_context->m_context;
m_context = [[NSOpenGLContext alloc] initWithFormat:pixel_format shareContext:share_context];
if (m_context == nil)
{
ERROR_LOG(VIDEO, "failed to create shared context");
return false;
}
return true;
}
std::unique_ptr<cInterfaceBase> cInterfaceAGL::CreateSharedContext()
{
std::unique_ptr<cInterfaceBase> context = std::make_unique<cInterfaceAGL>();
if (!context->Create(this))
return nullptr;
return context;
}
bool cInterfaceAGL::MakeCurrent() bool cInterfaceAGL::MakeCurrent()
{ {
[m_context makeCurrentContext]; [m_context makeCurrentContext];
@ -100,6 +123,8 @@ void cInterfaceAGL::Shutdown()
[m_context clearDrawable]; [m_context clearDrawable];
[m_context release]; [m_context release];
m_context = nil; m_context = nil;
[m_pixel_format release];
m_pixel_format = nil;
} }
void cInterfaceAGL::Update() void cInterfaceAGL::Update()