src/external/3rd/application/UiBuilder/UIDirect3DTextureCanvas.cpp

   1 #include "FirstUiBuilder.h"
   2 #include "UIDirect3DTextureCanvas.h"
   3
   4 #include "UIDirect3DPrimaryCanvas.h"
   5
   6 #include <math.h>
   7
   8 UIDirect3DTextureCanvas::UIDirect3DTextureCanvas( const UISize &Size, const bool InSystemMemory ) :
   9 UIDirectDrawCanvas( Size ),
  10 mHasShader (false)
  11 {
  12         mRenderCanvas           = 0;
  13         mInSystemMemory = InSystemMemory;
  14 }
  15
  16 //----------------------------------------------------------------------
  17
  18 UIDirect3DTextureCanvas::~UIDirect3DTextureCanvas()
  19 {
  20         SetRenderCanvas( 0 );
  21 }
  22
  23 //----------------------------------------------------------------------
  24
  25 bool UIDirect3DTextureCanvas::IsA( const UITypeID Type ) const
  26 {
  27         return (Type == TUIDirect3DTextureCanvas) || UIDirectDrawCanvas::IsA( Type );
  28 }
  29
  30 //----------------------------------------------------------------------
  31
  32 UIBaseObject *UIDirect3DTextureCanvas::Clone( void ) const
  33 {
  34         return 0;
  35 }
  36
  37 //----------------------------------------------------------------------
  38
  39 void UIDirect3DTextureCanvas::SetRenderCanvas( UIDirect3DPrimaryCanvas *NewRenderCanvas )
  40 {
  41         if( NewRenderCanvas )
  42                 NewRenderCanvas->Attach( this );
  43
  44         if( mRenderCanvas )
  45                 mRenderCanvas->Detach( this );
  46
  47         mRenderCanvas = NewRenderCanvas;
  48 }
  49
  50 //----------------------------------------------------------------------
  51
  52 UIDirect3DPrimaryCanvas *UIDirect3DTextureCanvas::GetRenderCanvas( void ) const
  53 {
  54         return mRenderCanvas;
  55 }
  56
  57 //----------------------------------------------------------------------
  58
  59 void UIDirect3DTextureCanvas::NotifyRenderCanvasChanged( void )
  60 {
  61         DestoryAll();
  62 }
  63
  64 //----------------------------------------------------------------------
  65
  66 bool UIDirect3DTextureCanvas::Generate( void ) const
  67 {
  68         assert( mRenderCanvas );
  69
  70         if( !mSurface )
  71         {
  72                 LPDIRECTDRAWSURFACE7 CreatedSurface;
  73                 DDSURFACEDESC2                   ddsd = { sizeof( ddsd ) };
  74                 HRESULT                                                  hr;
  75
  76                 // Round texture size up to a power of two
  77                 const_cast<UIDirect3DTextureCanvas *>( this )->mSize.x = (long)(pow( 2.0, ceil( log( (double) mSize.x ) / log( 2.0 ) ) ));
  78                 const_cast<UIDirect3DTextureCanvas *>( this )->mSize.y = (long)(pow( 2.0, ceil( log( (double) mSize.y ) / log( 2.0 ) ) ));
  79
  80                 // Make texture a square
  81                 if( mSize.x < mSize.y )
  82                         const_cast<UIDirect3DTextureCanvas *>( this )->mSize.x = mSize.y;
  83                 else
  84                         const_cast<UIDirect3DTextureCanvas *>( this )->mSize.y = mSize.x;
  85
  86                 ddsd.dwFlags                             = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
  87                 ddsd.dwWidth                             = GetWidth();
  88                 ddsd.dwHeight                            = GetHeight();
  89
  90                 mRenderCanvas->GetPreferedPixelFormat( &ddsd.ddpfPixelFormat );
  91
  92                 if( mInSystemMemory )
  93                         ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_SYSTEMMEMORY;
  94                 else
  95                         ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE;
  96
  97                 ddsd.ddsCaps.dwCaps2 = 0;
  98
  99                 hr = gDirectDraw->CreateSurface( &ddsd, &CreatedSurface, 0 );
 100
 101                 if( FAILED( hr ) )
 102                         return false;
 103
 104                 const_cast<UIDirect3DTextureCanvas *>( this )->SetSurface( CreatedSurface );
 105         }
 106         else if( mSurface->IsLost() )
 107         {
 108                 if( FAILED( mSurface->Restore() ) )
 109                         return false;
 110         }
 111
 112         if( !UICanvas::Generate() )
 113         {
 114                 if( mSurface )
 115                         mSurface->Release();
 116
 117                 const_cast<UIDirect3DTextureCanvas *>( this )->mSurface = 0;
 118                 return false;
 119         }
 120
 121         return true;
 122 }
 123
 124 //----------------------------------------------------------------------
 125
 126 bool UIDirect3DTextureCanvas::CreateFromSurfaceDescription( LPDDSURFACEDESC2 pddsd )
 127 {
 128         SetSurface( 0 );
 129
 130         LPDIRECTDRAWSURFACE7 CreatedSurface;
 131         HRESULT                                                  hr;
 132
 133         hr = gDirectDraw->CreateSurface( pddsd, &CreatedSurface, 0 );
 134
 135         if( FAILED( hr ) )
 136                 return false;
 137
 138         SetSurface( CreatedSurface );
 139         return true;
 140 }
 141
 142 //----------------------------------------------------------------------
 143
 144 void UIDirect3DTextureCanvas::SetHasShader                 (bool b)
 145 {
 146         mHasShader = b;
 147 }
 148
 149 //----------------------------------------------------------------------