1 /* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     2  *

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

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

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

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

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

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

     9  * subject to 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 CLAIM,

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

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

    20  * THE USE OR OTHER DEALINGS IN THE MATERIALS.

    21  */

    22 

    23 #ifndef __SFBLITTER_H

    24 #define __SFBLITTER_H

    25 

    26 #ifndef __RIDEFS_H

    27 #   include "riDefs.h"

    28 #endif

    29 

    30 #ifndef __RIIMAGE_H

    31 #   include "riImage.h"

    32 #endif

    33 

    34 #include "VG/openvg.h"

    35 

    36 namespace OpenVGRI {

    37 

    38 class PPCompiler;

    39 

    40 struct BlitterHash {

    41     BlitterHash() {value[0] = 0; }

    42     bool operator==(const BlitterHash& rhs) const { return value[0] == rhs.value[0]; }

    43     RIuint32 value[1];

    44 }; 

    45 

    46 // \todo Rename to just "Blitter" and move out of the same compilation unit.

    47 class DynamicBlitter {

    48 public:

    49     struct BlitSignatureState {

    50         VGMaskOperation maskOperation;

    51 

    52         bool incompatibleStrides;

    53         bool isMaskOperation;

    54         bool unsafeInput;

    55         

    56         // Derived:

    57         Color::Descriptor srcDesc;

    58         Color::Descriptor dstDesc;

    59     };

    60 

    61     struct BlitUniforms {

    62         void*       dst;

    63         const void* src;

    64         RIuint32    srcX;

    65         RIuint32    srcY;

    66         RIuint32    dstX;

    67         RIuint32    dstY;

    68         RIuint32    width;

    69         RIuint32    height;

    70         RIint32     srcStride;

    71         RIint32     dstStride;

    72     };

    73 

    74 public:

    75     DynamicBlitter();

    76     ~DynamicBlitter();

    77 

    78     static void calculateHash(BlitterHash& hash, const BlitSignatureState& state);

    79 

    80     void setMaskOperation(VGMaskOperation maskOperation)    { m_maskOperation = maskOperation; }

    81     void enableMaskOperation(bool isMaskOperation)          { m_isMaskOperation = isMaskOperation; }

    82     void setFillColor(const Color& fillColor)               { m_fillColor = fillColor; }

    83     void enableFill(bool isFill)                            { m_isFill = isFill; }

    84 

    85     void prepareBlit(Image* dst, const Image* src, int sx, int sy, int dx, int dy, int w, int h);

    86     void blit();

    87 

    88     const BlitSignatureState&   getSignatureState() { return m_signatureState; }

    89     const BlitUniforms&         getUniforms() { return m_uniforms; }

    90 

    91 private:

    92 

    93     VGMaskOperation     m_maskOperation;

    94     bool                m_isMaskOperation;

    95     Color               m_fillColor;

    96     bool                m_isFill;

    97     

    98     BlitSignatureState  m_signatureState;

    99     BlitUniforms        m_uniforms;

   100 };

   101 }

   102 

   103 #endif

   104