diff options
| author | Joe Ludwig <[email protected]> | 2013-07-17 18:26:59 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-07-17 18:26:59 -0700 |
| commit | e16ea21dc8a710237ade8413207f58d403c616a3 (patch) | |
| tree | 85dcfbda9881e4e022dedafefbc2727e2fd2aa59 /sp/src/public/togl/osx/glentrypoints.h | |
| parent | Merge pull request #36 from AnAkIn1/fogplayerparams_fix (diff) | |
| download | source-sdk-2013-e16ea21dc8a710237ade8413207f58d403c616a3.tar.xz source-sdk-2013-e16ea21dc8a710237ade8413207f58d403c616a3.zip | |
* Added support for building shaders in your mod
* Added nav mesh support
* fixed many warnings and misc bugs
* Fixed the create*projects scripts in mp
* Added a bunch of stuff to .gitignore
Diffstat (limited to 'sp/src/public/togl/osx/glentrypoints.h')
| -rw-r--r-- | sp/src/public/togl/osx/glentrypoints.h | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/sp/src/public/togl/osx/glentrypoints.h b/sp/src/public/togl/osx/glentrypoints.h new file mode 100644 index 00000000..1ae4423c --- /dev/null +++ b/sp/src/public/togl/osx/glentrypoints.h @@ -0,0 +1,329 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// glentrypoints.h
+//
+//===============================================================================
+
+#ifndef GLENTRYPOINTS_H
+#define GLENTRYPOINTS_H
+
+#pragma once
+
+#ifdef DX_TO_GL_ABSTRACTION
+
+#include "tier0/platform.h"
+#include "tier0/dynfunction.h"
+#include "tier0/vprof_telemetry.h"
+#include "interface.h"
+
+#include "togl/rendermechanism.h"
+
+#ifndef APIENTRY
+#define APIENTRY
+#endif
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+void *VoidFnPtrLookup_GlMgr(const char *fn, bool &okay, const bool bRequired, void *fallback=NULL);
+
+#if GL_TELEMETRY_ZONES || GL_TRACK_API_TIME
+class CGLExecuteHelperBase
+{
+public:
+ inline void StartCall(const char *pName);
+ inline void StopCall(const char *pName);
+#if GL_TRACK_API_TIME
+ TmU64 m_nStartTime;
+#endif
+};
+
+template < class FunctionType, typename Result >
+class CGLExecuteHelper : public CGLExecuteHelperBase
+{
+public:
+ inline CGLExecuteHelper(FunctionType pFn, const char *pName ) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(); StopCall(pName); }
+ template<typename A> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a); StopCall(pName); }
+ template<typename A, typename B> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b); StopCall(pName); }
+ template<typename A, typename B, typename C> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d, e); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d, e, f); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d, e, f, g); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G, typename H> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g, H h) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d, e, f, g, h); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G, typename H, typename I> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g, H h, I i) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d, e, f, g, h, i); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G, typename H, typename I, typename J> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g, H h, I i, J j) : m_pFn( pFn ) { StartCall(pName); m_Result = (*m_pFn)(a, b, c, d, e, f, g, h, i, j); StopCall(pName); }
+
+ inline operator Result() const { return m_Result; }
+ inline operator char*() const { return (char*)m_Result; }
+
+ FunctionType m_pFn;
+
+ Result m_Result;
+};
+
+template < class FunctionType>
+class CGLExecuteHelper<FunctionType, void> : public CGLExecuteHelperBase
+{
+public:
+ inline CGLExecuteHelper(FunctionType pFn, const char *pName ) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(); StopCall(pName); }
+ template<typename A> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a); StopCall(pName); }
+ template<typename A, typename B> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b); StopCall(pName); }
+ template<typename A, typename B, typename C> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d, e); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d, e, f); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d, e, f, g); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G, typename H> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g, H h) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d, e, f, g, h); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G, typename H, typename I> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g, H h, I i) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d, e, f, g, h, i); StopCall(pName); }
+ template<typename A, typename B, typename C, typename D, typename E, typename F, typename G, typename H, typename I, typename J> inline CGLExecuteHelper(FunctionType pFn, const char *pName, A a, B b, C c, D d, E e, F f, G g, H h, I i, J j) : m_pFn( pFn ) { StartCall(pName); (*m_pFn)(a, b, c, d, e, f, g, h, i, j); StopCall(pName); }
+
+ FunctionType m_pFn;
+};
+#endif
+
+template < class FunctionType, typename Result >
+class CDynamicFunctionOpenGLBase
+{
+public:
+ // Construct with a NULL function pointer. You must manually call
+ // Lookup() before you can call a dynamic function through this interface.
+ CDynamicFunctionOpenGLBase() : m_pFn(NULL) {}
+
+ // Construct and do a lookup right away. You will need to make sure that
+ // the lookup actually succeeded, as the gl library might have failed to load
+ // or (fn) might not exist in it.
+ CDynamicFunctionOpenGLBase(const char *fn, FunctionType fallback=NULL) : m_pFn(NULL)
+ {
+ Lookup(fn, fallback);
+ }
+
+ // Construct and do a lookup right away. See comments in Lookup() about what (okay) does.
+ CDynamicFunctionOpenGLBase(const char *fn, bool &okay, FunctionType fallback=NULL) : m_pFn(NULL)
+ {
+ Lookup(fn, okay, fallback);
+ }
+
+ // Load library if necessary, look up symbol. Returns true and sets
+ // m_pFn on successful lookup, returns false otherwise. If the
+ // function pointer is already looked up, this return true immediately.
+ // Use Reset() first if you want to look up the symbol again.
+ // This function will return false immediately unless (okay) is true.
+ // This allows you to chain lookups like this:
+ // bool okay = true;
+ // x.Lookup(lib, "x", okay);
+ // y.Lookup(lib, "y", okay);
+ // z.Lookup(lib, "z", okay);
+ // if (okay) { printf("All functions were loaded successfully!\n"); }
+ // If you supply a fallback, it'll be used if the lookup fails (and if
+ // non-NULL, means this will always return (okay)).
+ bool Lookup(const char *fn, bool &okay, FunctionType fallback=NULL)
+ {
+ if (!okay)
+ return false;
+ else if (this->m_pFn == NULL)
+ {
+ this->m_pFn = (FunctionType) VoidFnPtrLookup_GlMgr(fn, okay, false, (void *) fallback);
+ this->SetFuncName( fn );
+ }
+ return okay;
+ }
+
+ // Load library if necessary, look up symbol. Returns true and sets
+ // m_pFn on successful lookup, returns false otherwise. If the
+ // function pointer is already looked up, this return true immediately.
+ // Use Reset() first if you want to look up the symbol again.
+ // This function will return false immediately unless (okay) is true.
+ // If you supply a fallback, it'll be used if the lookup fails (and if
+ // non-NULL, means this will always return true).
+ bool Lookup(const char *fn, FunctionType fallback=NULL)
+ {
+ bool okay = true;
+ return Lookup(fn, okay, fallback);
+ }
+
+ // Invalidates the current lookup. Makes the function pointer NULL. You
+ // will need to call Lookup() before you can call a dynamic function
+ // through this interface again.
+ void Reset() { m_pFn = NULL; }
+
+ // Force this to be a specific function pointer.
+ void Force(FunctionType ptr) { m_pFn = ptr; }
+
+ // Retrieve the actual function pointer.
+ FunctionType Pointer() const { return m_pFn; }
+
+#if GL_TELEMETRY_ZONES || GL_TRACK_API_TIME
+ #if GL_TELEMETRY_ZONES
+ #define GL_FUNC_NAME m_szName
+ #else
+ #define GL_FUNC_NAME ""
+ #endif
+
+ inline CGLExecuteHelper<FunctionType, Result> operator() () const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME ); }
+
+ template<typename T>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a); }
+
+ template<typename T, typename U>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b); }
+
+ template<typename T, typename U, typename V>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c ) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c); }
+
+ template<typename T, typename U, typename V, typename W>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d); }
+
+ template<typename T, typename U, typename V, typename W, typename X>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d, X e) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d, e); }
+
+ template<typename T, typename U, typename V, typename W, typename X, typename Y>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d, X e, Y f) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d, e, f); }
+
+ template<typename T, typename U, typename V, typename W, typename X, typename Y, typename Z>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d, X e, Y f, Z g) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d, e, f, g); }
+
+ template<typename T, typename U, typename V, typename W, typename X, typename Y, typename Z, typename A>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d, X e, Y f, Z g, A h) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d, e, f, g, h); }
+
+ template<typename T, typename U, typename V, typename W, typename X, typename Y, typename Z, typename A, typename B>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d, X e, Y f, Z g, A h, B i) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d, e, f, g, h, i); }
+
+ template<typename T, typename U, typename V, typename W, typename X, typename Y, typename Z, typename A, typename B, typename C>
+ inline CGLExecuteHelper<FunctionType, Result> operator() (T a, U b, V c, W d, X e, Y f, Z g, A h, B i, C j) const { return CGLExecuteHelper<FunctionType, Result>(m_pFn, GL_FUNC_NAME, a, b, c, d, e, f, g, h, i, j); }
+#else
+ operator FunctionType() const { return m_pFn; }
+#endif
+
+ // Can be used to verify that we have an actual function looked up and
+ // ready to call: if (!MyDynFunc) { printf("Function not found!\n"); }
+ operator bool () const { return m_pFn != NULL; }
+ bool operator !() const { return m_pFn == NULL; }
+
+protected:
+ FunctionType m_pFn;
+
+#if GL_TELEMETRY_ZONES
+ char m_szName[32];
+ inline void SetFuncName(const char *pFn) { V_strncpy( m_szName, pFn, sizeof( m_szName ) ); }
+#else
+ inline void SetFuncName(const char *pFn) { (void)pFn; }
+#endif
+};
+
+// This works a lot like CDynamicFunctionMustInit, but we use SDL_GL_GetProcAddress().
+template < const bool bRequired, class FunctionType, typename Result >
+class CDynamicFunctionOpenGL : public CDynamicFunctionOpenGLBase< FunctionType, Result >
+{
+private: // forbid default constructor.
+ CDynamicFunctionOpenGL() {}
+
+public:
+ CDynamicFunctionOpenGL(const char *fn, FunctionType fallback=NULL)
+ {
+ bool okay = true;
+ Lookup(fn, okay, fallback);
+ this->SetFuncName( fn );
+ }
+
+ CDynamicFunctionOpenGL(const char *fn, bool &okay, FunctionType fallback=NULL)
+ {
+ Lookup(fn, okay, fallback);
+ this->SetFuncName( fn );
+ }
+
+ // Please note this is not virtual.
+ // !!! FIXME: we might want to fall back and try "EXT" or "ARB" versions in some case.
+ bool Lookup(const char *fn, bool &okay, FunctionType fallback=NULL)
+ {
+ if (this->m_pFn == NULL)
+ {
+ this->m_pFn = (FunctionType) VoidFnPtrLookup_GlMgr(fn, okay, bRequired, (void *) fallback);
+ this->SetFuncName( fn );
+ }
+ return okay;
+ }
+};
+
+
+// This provides all the entry points for a given OpenGL context.
+// ENTRY POINTS ARE ONLY VALID FOR THE CONTEXT THAT WAS CURRENT WHEN
+// YOU LOOKED THEM UP. 99% of the time, this is not a problem, but
+// that 1% is really hard to track down. Always access the GL
+// through this class!
+class COpenGLEntryPoints
+{
+public:
+ // The GL context you are looking up entry points for must be current when you construct this object!
+ COpenGLEntryPoints();
+
+ uint64 m_nTotalGLCycles, m_nTotalGLCalls;
+
+ int m_nOpenGLVersionMajor; // if GL_VERSION is 2.1.0, this will be set to 2.
+ int m_nOpenGLVersionMinor; // if GL_VERSION is 2.1.0, this will be set to 1.
+ int m_nOpenGLVersionPatch; // if GL_VERSION is 2.1.0, this will be set to 0.
+ bool m_bHave_OpenGL;
+
+ #define GL_EXT(x,glmajor,glminor) bool m_bHave_##x;
+ #define GL_FUNC(ext,req,ret,fn,arg,call) CDynamicFunctionOpenGL< req, ret (APIENTRY *) arg, ret > fn;
+ #define GL_FUNC_VOID(ext,req,fn,arg,call) CDynamicFunctionOpenGL< req, void (APIENTRY *) arg, void > fn;
+ #include "togl/glfuncs.inl"
+ #undef GL_FUNC_VOID
+ #undef GL_FUNC
+ #undef GL_EXT
+};
+
+// This will be set to the current OpenGL context's entry points.
+extern COpenGLEntryPoints *gGL;
+typedef void * (*GL_GetProcAddressCallbackFunc_t)(const char *, bool &, const bool, void *);
+
+#ifdef TOGL_DLL_EXPORT
+ DLL_EXPORT COpenGLEntryPoints *ToGLConnectLibraries( CreateInterfaceFn factory );
+ DLL_EXPORT void ToGLDisconnectLibraries();
+ DLL_EXPORT COpenGLEntryPoints *GetOpenGLEntryPoints(GL_GetProcAddressCallbackFunc_t callback);
+#else
+ DLL_IMPORT COpenGLEntryPoints *ToGLConnectLibraries( CreateInterfaceFn factory );
+ DLL_IMPORT void ToGLDisconnectLibraries();
+ DLL_IMPORT COpenGLEntryPoints *GetOpenGLEntryPoints(GL_GetProcAddressCallbackFunc_t callback);
+#endif
+
+#if GL_TELEMETRY_ZONES || GL_TRACK_API_TIME
+inline void CGLExecuteHelperBase::StartCall(const char *pName)
+{
+ (void)pName;
+
+#if GL_TELEMETRY_ZONES
+ tmEnter( TELEMETRY_LEVEL3, TMZF_NONE, pName );
+#endif
+
+#if GL_TRACK_API_TIME
+ m_nStartTime = tmFastTime();
+#endif
+}
+
+inline void CGLExecuteHelperBase::StopCall(const char *pName)
+{
+#if GL_TRACK_API_TIME
+ uint64 nTotalCycles = tmFastTime() - m_nStartTime;
+#endif
+
+#if GL_TELEMETRY_ZONES
+ tmLeave( TELEMETRY_LEVEL3 );
+#endif
+
+#if GL_TRACK_API_TIME
+ //double flMilliseconds = g_Telemetry.flRDTSCToMilliSeconds * nTotalCycles;
+ if (gGL)
+ {
+ gGL->m_nTotalGLCycles += nTotalCycles;
+ gGL->m_nTotalGLCalls++;
+ }
+#endif
+}
+#endif
+
+#endif // DX_TO_GL_ABSTRACTION
+
+#endif // GLENTRYPOINTS_H
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