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#pragma once
#include "Runtime/GfxDevice/GfxDeviceObjects.h"
#include "Runtime/GfxDevice/GfxDeviceTypes.h"
#if UNITY_WIN
struct GraphicsContextGL
{
HDC hdc;
HGLRC hglrc;
HWND hwnd;
GraphicsContextGL() : hdc(NULL), hwnd(NULL), hglrc(NULL)
{
}
~GraphicsContextGL()
{
hdc = NULL;hwnd = NULL; hglrc = NULL;
}
bool IsValid()const { return hglrc != NULL; }
friend bool operator == (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.hglrc == rhs.hglrc; }
friend bool operator < (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.hglrc < rhs.hglrc; }
friend bool operator != (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.hglrc != rhs.hglrc; }
};
#elif UNITY_OSX
#define SUPPORT_AGL (!UNITY_64)
struct __AGLContextRec;
typedef struct __AGLContextRec *AGLContext;
struct _CGLContextObject;
typedef struct _CGLContextObject *CGLContext;
struct _CGLPixelFormatObject;
typedef struct _CGLPixelFormatObject *CGLPixelFormatObj;
// 10.5 SDK defines all CGL functions to use GLint, whereas 10.4 is long. Make this work in both.
#ifndef MAC_OS_X_VERSION_MAX_ALLOWED
#error Fail
#elif MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
#define CGLint long
#else
#define CGLint int
#endif
struct GraphicsContextGL
{
CGLContext cgl;
#if SUPPORT_AGL
AGLContext agl;
#endif
void* presentSync;
uint appleFence;
bool appleFenceValid;
GraphicsContextGL() {
cgl = NULL;
#if SUPPORT_AGL
agl = NULL;
#endif
presentSync = 0;
appleFence = 0;
appleFenceValid = false;
}
friend bool operator == (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.cgl == rhs.cgl; }
friend bool operator < (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.cgl < rhs.cgl; }
friend bool operator != (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.cgl != rhs.cgl; }
};
#define CGL_FROM_HANDLE(context) (*OBJECT_FROM_HANDLE(context,GraphicsContextGL)).cgl
#if SUPPORT_AGL
#define AGL_FROM_HANDLE(context) (*OBJECT_FROM_HANDLE(context,GraphicsContextGL)).agl
#endif
#elif UNITY_LINUX
#include "UnityGL.h"
#include "PlatformDependent/Linux/X11Quarantine.h"
struct GraphicsContextGL
{
NativeDisplayPtr display;
NativeWindow window;
void *context;
void *presentSync;
GraphicsContextGL() : window(0), context(NULL), presentSync(NULL)
{
}
~GraphicsContextGL()
{
window = 0;
context = NULL;
}
bool IsValid()const { return window != 0; }
friend bool operator == (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.context == rhs.context; }
friend bool operator < (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.context < rhs.context; }
friend bool operator != (const GraphicsContextGL& lhs, const GraphicsContextGL& rhs) { return lhs.context != rhs.context; }
};
#define GLX_FROM_HANDLE(context) (*OBJECT_FROM_HANDLE(context,GraphicsContextGL)).context
#else
#error "Unknown platform"
#endif
// Returns the master context
// Mac: if necessary creates it
// Windows: explicitly create master context earlier, with CreateMasterGraphicsContext()
GraphicsContextHandle GetMasterGraphicsContext();
bool IsMasterGraphicsContextValid();
void SetMainGraphicsContext( GraphicsContextHandle ctx );
GraphicsContextHandle GetMainGraphicsContext ();
void DestroyContextGL( GraphicsContextHandle& context );
void DestroyMainContextGL();
// Makes the context active. And sets up some default state.
bool ActivateGraphicsContext (GraphicsContextHandle ctx, bool currentThreadOnly = false, int flags = 0);
bool ActivateMasterContextGL ();
bool ActivateMainContextGL ();
bool ActivateGraphicsContextGL ( const GraphicsContextGL& ctx, int flags );
void AssignMasterGraphicsContextGL ( GraphicsContextGL* ctx );
GraphicsContextGL GetCurrentGraphicsContext ();
void PresentContextGL ( GraphicsContextHandle ctx );
#if UNITY_WIN
void SetMasterContextClassName ( const std::wstring& windowClassName );
const std::wstring& GetMasterContextClassName ();
GraphicsContextHandle SetupGraphicsContextFromWindow ( HWND window, int width, int height, int inFSAA, int& outFSAA );
#endif
typedef std::set<GraphicsContextGL> GraphicsContexts;
GraphicsContexts& GetGLContexts();
enum {
kGLContextSkipInvalidateState = 1 << 0,
kGLContextSkipUnbindObjects = 1 << 1,
kGLContextSkipFlush = 2 << 2,
};
#if UNITY_OSX
void CleanupMasterContext();
GraphicsContextHandle MakeNewContext( int width, int height, int fullscreen, bool doubleBuffer, bool pbuffer, DepthBufferFormat depthFormat, int* inoutAA, bool agl);
GraphicsContextHandle MakeOffScreenContext (int width, int height, int depthBits, int stencilBits);
GraphicsContextGL MakeNewContextGL( int width, int height, int fullscreen, bool doubleBuffer, bool pbuffer, bool depthTexture, DepthBufferFormat depthFormat, int* inoutAA, bool agl);
GraphicsContextGL MakeOffScreenContextGL (int width, int height, int depthBits, int stencilBits);
void GeneratePixelAttributes (int bits, int depthBits, int stencilBits, const void* cglPixelFormatAttributes, bool doubleBuffer,bool fullscreen, int supersample, bool pbuffer);
void SetupDefaultContextState( GraphicsContextGL &context, bool setMultiThreaded, int fsaa );
void CleanupPresentSync (GraphicsContextGL* context);
void SetSyncToVBL (GraphicsContextHandle context, int syncCount);
void SetDisplayID( CGDirectDisplayID display );
void MakeMasterGLContext();
#if UNITY_EDITOR
void GLFinishAllGraphicsContexts ();
void SetContextDrawable( GraphicsContextHandle context, CGrafPtr port, const float* frame );
void UpdateContextDrawable( GraphicsContextHandle context, const float* frame );
#endif
#elif UNITY_LINUX
void CleanupMasterContext();
void CleanupPresentSync (GraphicsContextGL* context);
GraphicsContextHandle MakeNewContext( int width, int height, int fullscreen, bool doubleBuffer, bool pbuffer, DepthBufferFormat depthFormat, int antiAlias);
GraphicsContextHandle MakeOffScreenContext (int width, int height, int depthBits, int stencilBits);
GraphicsContextGL MakeNewContextGL (NativeDisplayPtr display, NativeWindow window, int width, int height, int fullscreen, bool doubleBuffer, bool pbuffer, bool depthTexture, DepthBufferFormat depthFormat, int antiAlias);
GraphicsContextGL MakeOffScreenContextGL (int width, int height, int depthBits, int stencilBits);
void SetupDefaultContextState( GraphicsContextGL &context, bool setMultiThreaded, int fsaa );
void SetSyncToVBL (GraphicsContextHandle context, int syncCount);
void SetDisplay(NativeDisplayPtr display);
NativeDisplayPtr GetDisplay();
void MakeMasterGLContext();
void MakeMasterGLContext(NativeDisplayPtr display, NativeWindow window);
GraphicsContextGL* MakeGLContextForWindow(NativeDisplayPtr display, NativeWindow window, bool shareWithMaster=true);
VisualInfoPtr CreateVisualInfo (NativeDisplayPtr display, int antialiasingLevel=0);
#if UNITY_EDITOR
void GLFinishAllGraphicsContexts ();
void UpdateContextDrawable( GraphicsContextHandle context, const float* frame );
GraphicsContextHandle SetupGraphicsContextFromWindow (NativeWindow window, int width, int height, int inFSAA, int& outFSAA);
#endif
#endif
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