1 /* Copyright (c) 2009 The Khronos Group Inc.

     2  *

     3  * Permission is hereby granted, free of charge, to any person obtaining a

     4  * copy of this software and/or associated documentation files (the

     5  * "Materials"), to deal in the Materials without restriction, including

     6  * without limitation the rights to use, copy, modify, merge, publish,

     7  * distribute, sublicense, and/or sell copies of the Materials, and to

     8  * permit persons to whom the Materials are furnished to do so, subject to

     9  * the following conditions:

    10  *

    11  * The above copyright notice and this permission notice shall be included

    12  * in all copies or substantial portions of the Materials.

    13  *

    14  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

    15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

    16  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

    17  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

    18  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

    19  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

    20  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.

    21  */

    22 

    23 #ifndef OWFDISPLAYCONTEXT_H

    24 #define OWFDISPLAYCONTEXT_H

    25 

    26 #include <e32base.h>

    27 

    28 #include <dispchannel.h>

    29 #include "owfmemory.h"

    30 #include "owfscreen.h"

    31 #include "owfdisplaycontextgeneral.h"

    32 

    33 #define _OWF_DISPLAYCONTEXT(x)          (static_cast<OWFDisplayContext *>(x))

    34 

    35 struct TBufferAddress

    36     {

    37     RChunk  iChunk;

    38     TInt    iOffset;

    39     TUint8* iAddress;

    40     };

    41 

    42 /**

    43 Container that allocates and destroys the chunks used by the scratch buffers.

    44 */

    45 class COwfScratchBuffers : public CBase

    46     {

    47 public:

    48     void* Allocate(TInt aMinSize);

    49     void Destroy(void* aAddress);

    50     ~COwfScratchBuffers();

    51 private:

    52     RArray <TBufferAddress> iBuffers;

    53     };

    54 

    55 class COWFScreenDisplayInfo : public CBase

    56     {

    57 public:

    58     ~COWFScreenDisplayInfo();

    59     static COWFScreenDisplayInfo* NewL(TInt aScreen);

    60     TInt ScreenNumber() const;

    61     void GetScreenInfo(OWF_SCREEN *header) const;

    62     OWFboolean Blit(void* buffer, OWF_ROTATION rotation);

    63     

    64 private:

    65     COWFScreenDisplayInfo(TInt aScreen);

    66     void ConstructL();

    67 private:

    68     OWF_SCREEN iScreenInfo;

    69     mutable RDisplayChannel iDispChan;

    70     TInt iScreenNumber;

    71     RArray <TBufferAddress*> iCompositionBuffer;

    72     RDisplayChannel::TDisplayRotation iDefaultRotation;

    73     TInt iRotationOffset;

    74     };

    75     

    76 class COwfcDisplayDevice : public CBase

    77     {

    78 private:

    79     static COwfcDisplayDevice* gDisplayDeviceInstancePtr;

    80 public:

    81     static COwfcDisplayDevice* SingletonInstance();

    82     TInt OpenScreen(TInt aScreen);

    83     TInt CloseScreen(TInt aScreen, OWFboolean *aCanDelete);

    84     ~COwfcDisplayDevice();

    85 public:

    86     static TBool ScreenCompare(const TInt* k, COWFScreenDisplayInfo* const & t)

    87     {return (*k == t->ScreenNumber());}

    88     RArray <COWFScreenDisplayInfo*> iScreenDisplayInfo;

    89     };

    90 

    91 typedef struct OWFDisplayContext_

    92     {

    93 public:

    94     COwfcDisplayDevice *iDisplayContext;

    95     COwfScratchBuffers iBuffers;

    96     WFCint iEventServerUpdate;

    97     WFCboolean iCompositionOngoing;

    98     WFCint iPreviousCommit;

    99     WFCint iSerialNumber;

   100 public:

   101     virtual ~OWFDisplayContext_();

   102     } OWFDisplayContext;

   103 

   104 #endif //OWFDISPLAYCONTEXT_H