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-//========= Copyright Valve Corporation, All rights reserved. ============//
-//
-// glmgrbasics.h
-// types, common headers, forward declarations, utilities
-//
-//===============================================================================
-
-#ifndef GLMBASICS_H
-#define GLMBASICS_H
-
-#pragma once
-
-#ifdef OSX
-#include <OpenGL/OpenGL.h>
-#include <OpenGL/gl.h>
-#include <OpenGL/glext.h>
-#include <OpenGL/CGLTypes.h>
-#include <OpenGL/CGLRenderers.h>
-#include <OpenGL/CGLCurrent.h>
-//#include <OpenGL/CGLProfiler.h>
-//#include <ApplicationServices/ApplicationServices.h>
-#elif defined(LINUX)
-#include <GL/gl.h>
-#include <GL/glext.h>
-#else
-#error
-#endif
-
-#include "tier0/platform.h"
-
-#include "bitmap/imageformat.h"
-#include "bitvec.h"
-#include "tier1/checksum_md5.h"
-#include "tier1/utlvector.h"
-#include "tier1/convar.h"
-
-#include <sys/stat.h>
-
-#include "dxabstract_types.h"
-
-// types
-struct GLMRect;
-typedef void *PseudoGLContextPtr;
-
-
- // 3-d integer box (used for texture lock/unlock etc)
-struct GLMRegion
-{
- int xmin,xmax;
- int ymin,ymax;
- int zmin,zmax;
-};
-
-struct GLMRect // follows GL convention - if coming from the D3D rect you will need to fiddle the Y's
-{
- int xmin; // left
- int ymin; // bottom
- int xmax; // right
- int ymax; // top
-};
-
-// macros
-
-//#define GLMassert(x) assert(x)
-
-// forward decls
-class GLMgr; // singleton
-class GLMContext; // GL context
-class CGLMContextTester; // testing class
-class CGLMTex;
-class CGLMFBO;
-class CGLMProgram;
-class CGLMBuffer;
-
-
-// utilities
-
-typedef enum
-{
- // D3D codes
- eD3D_DEVTYPE,
- eD3D_FORMAT,
- eD3D_RTYPE,
- eD3D_USAGE,
- eD3D_RSTATE, // render state
- eD3D_SIO, // D3D shader bytecode
- eD3D_VTXDECLUSAGE,
-
- // CGL codes
- eCGL_RENDID,
-
- // OpenGL error codes
- eGL_ERROR,
-
- // OpenGL enums
- eGL_ENUM,
- eGL_RENDERER
-
-} GLMThing_t;
-
-const char* GLMDecode( GLMThing_t type, unsigned long value ); // decode a numeric const
-const char* GLMDecodeMask( GLMThing_t type, unsigned long value ); // decode a bitmask
-
-void GLMStop( void ); // aka Debugger()
-void GLMCheckError( bool noStop = false, bool noLog= false );
-void GLMEnableTrace( bool on );
-
-// expose these in release now
-// Mimic PIX events so we can decorate debug spew
-void GLMBeginPIXEvent( const char *str );
-void GLMEndPIXEvent( void );
-
-//===============================================================================
-// knob twiddling
-//float GLMKnob( char *knobname, float *setvalue ); // Pass NULL to not-set the knob value
-//float GLMKnobToggle( char *knobname );
-
-//===============================================================================
-// other stuff
-
-// helpers for CGLSetOption - no op if no profiler
-void GLMProfilerClearTrace( void );
-void GLMProfilerEnableTrace( bool enable );
-
-// helpers for CGLSetParameter - no op if no profiler
-void GLMProfilerDumpState( void );
-
-
-//===============================================================================
-// classes
-
-// helper class making function tracking easier to wire up
-#if GLMDEBUG
-class GLMFuncLogger
-{
- public:
-
- // simple function log
- GLMFuncLogger( const char *funcName )
- {
- m_funcName = funcName;
- m_earlyOut = false;
-
- GLMPrintf( ">%s", m_funcName );
- };
-
- // more advanced version lets you pass args (i.e. called parameters or anything else of interest)
- // no macro for this one, since no easy way to pass through the args as well as the funcname
- GLMFuncLogger( const char *funcName, char *fmt, ... )
- {
- m_funcName = funcName;
- m_earlyOut = false;
-
- // this acts like GLMPrintf here
- // all the indent policy is down in GLMPrintfVA
- // which means we need to inject a ">" at the front of the format string to make this work... sigh.
-
- char modifiedFmt[2000];
- modifiedFmt[0] = '>';
- strcpy( modifiedFmt+1, fmt );
-
- va_list vargs;
- va_start(vargs, fmt);
- GLMPrintfVA( modifiedFmt, vargs );
- va_end( vargs );
- }
-
- ~GLMFuncLogger( )
- {
- if (m_earlyOut)
- {
- GLMPrintf( "<%s (early out)", m_funcName );
- }
- else
- {
- GLMPrintf( "<%s", m_funcName );
- }
- };
-
- void EarlyOut( void )
- {
- m_earlyOut = true;
- };
-
- const char *m_funcName; // set at construction time
- bool m_earlyOut;
-};
-
-// handy macro to go with the function tracking class
-#define GLM_FUNC GLMFuncLogger _logger_ ( __FUNCTION__ )
-#else
-#define GLM_FUNC
-#endif
-
-
-// class to keep an in-memory mirror of a file which may be getting edited during run
-class CGLMFileMirror
-{
-public:
- CGLMFileMirror( char *fullpath ); // just associates mirror with file. if file exists it will be read.
- //if non existent it will be created with size zero
- ~CGLMFileMirror( );
-
- bool HasData( void ); // see if data avail
- void GetData( char **dataPtr, uint *dataSizePtr ); // read it out
- void SetData( char *data, uint dataSize ); // put data in (and write it to disk)
- bool PollForChanges( void ); // check disk copy. If different, read it back in and return true.
-
- void UpdateStatInfo( void ); // make sure stat info is current for our file
- void ReadFile( void );
- void WriteFile( void );
-
- void OpenInEditor( bool foreground=false ); // pass TRUE if you would like the editor to pop to foreground
-
- /// how about a "wait for change" method..
-
- char *m_path; // fullpath to file
- bool m_exists;
- struct stat m_stat; // stat results for the file (last time checked)
-
- char *m_data; // content of file
- uint m_size; // length of content
-
-};
-
-// class based on the file mirror, that makes it easy to edit them outside the app.
-
-// it receives an initial block of text from the engine, and hashes it. ("orig")
-// it munges it by duplicating all the text after the "!!" line, and appending it in commented form. ("munged")
-// a mirror file is activated, using a filename based on the hash from the orig text.
-// if there is already content on disk matching that filename, use that content *unless* the 'blitz' parameter is set.
-// (i.e. engine is instructing this subsystem to wipe out any old/modified variants of the text)
-
-
-class CGLMEditableTextItem
-{
-public:
- CGLMEditableTextItem( char *text, uint size, bool forceOverwrite, char *prefix, char *suffix = NULL ); // create a text blob from text source, optional filename suffix
- ~CGLMEditableTextItem( );
-
- bool HasData( void );
- bool PollForChanges( void ); // return true if stale i.e. you need to get a new edition
- void GetCurrentText( char **textOut, uint *sizeOut ); // query for read access to the active blob (could be the original, could be external edited copy)
- void OpenInEditor( bool foreground=false ); // call user attention to this text
-
- // internal methods
- void GenHashOfOrigText( void );
- void GenBaseNameAndFullPath( char *prefix, char *suffix );
- void GenMungedText( bool fromMirror );
-
- // members
- // orig
- uint m_origSize;
- char *m_origText; // what was submitted
- unsigned char m_origDigest[MD5_DIGEST_LENGTH]; // digest of what was submitted
-
- // munged
- uint m_mungedSize;
- char *m_mungedText; // re-processed edition, initial content submission to the file mirror
-
- // mirror
- char *m_mirrorBaseName; // generated from the hash of the orig text, plus the label / prefix
- char *m_mirrorFullPath; // base name
- CGLMFileMirror *m_mirror; // file mirror itself. holds "official" copy for GetCurrentText to return.
-};
-
-
-// debug font
-extern unsigned char g_glmDebugFontMap[16384];
-
-// class for cracking multi-part text blobs
-// sections are demarcated by beginning-of-line markers submitted in a table by the caller
-
-struct GLMTextSection
-{
- int m_markerIndex; // based on table of markers passed in to constructor
- uint m_textOffset; // where is the text - offset
- int m_textLength; // how big is the section
-};
-
-class CGLMTextSectioner
-{
-public:
- CGLMTextSectioner( char *text, int textSize, char **markers ); // constructor finds all the sections
- ~CGLMTextSectioner( );
-
- int Count( void ); // how many sections found
- void GetSection( int index, uint *offsetOut, uint *lengthOut, int *markerIndexOut );
- // find section, size, what marker
- // note that more than one section can be marked similarly.
- // so policy isn't made here, you walk the sections and decide what to do if there are dupes.
-
- //members
-
- //section table
- CUtlVector< GLMTextSection > m_sectionTable;
-};
-
-#endif