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namespace PluggIt {
D_DEBUG_DOMAIN( PluggIt_Scaler, "PluggIt/Scaler", "PluggIt Scaler" );
typedef struct {
DFBRegion clip;
const void *colors;
unsigned long protect;
unsigned long key;
} StretchCtx;
typedef void (*StretchHVx)( void *dst,
int dpitch,
const void *src,
int spitch,
int width,
int height,
int dst_width,
int dst_height,
const StretchCtx *ctx );
#define STRETCH_NONE 0
#define STRETCH_SRCKEY 1
#define STRETCH_PROTECT 2
#define STRETCH_SRCKEY_PROTECT 3
#define STRETCH_NUM 4
#define PIXEL_RGB16(r,g,b) ( (((r)&0xF8) << 8) | \
(((g)&0xFC) << 3) | \
(((b)&0xF8) >> 3) )
/**********************************************************************************************************************/
/*** 16 bit RGB 565 scalers *******************************************************************************************/
/**********************************************************************************************************************/
#define DST_FORMAT DSPF_RGB16
#define TABLE_NAME stretch_hvx_RGB16
#define FUNC_NAME(UPDOWN,K,P,F) stretch_hvx_RGB16_ ## UPDOWN ## _ ## K ## P ## _ ## F
#define SHIFT_R5 5
#define SHIFT_R6 6
#define X_F81F 0xf81f
#define X_07E0 0x07e0
#define MASK_RGB 0xffff
#define FORMAT_RGB16
#include "stretch_up_down_16.h"
#undef FORMAT_RGB16
#undef DST_FORMAT
#undef TABLE_NAME
#undef FUNC_NAME
#undef SHIFT_R5
#undef SHIFT_R6
#undef X_F81F
#undef X_07E0
#undef MASK_RGB
/**********************************************************************************************************************/
/*** 32 bit RGB 8888 scalers ******************************************************************************************/
/**********************************************************************************************************************/
#define DST_FORMAT DSPF_ARGB
#define TABLE_NAME stretch_hvx_ARGB
#define FUNC_NAME(UPDOWN,K,P,F) stretch_hvx_ARGB_ ## UPDOWN ## _ ## K ## P ## _ ## F
#define SHIFT_R8 8
#define SHIFT_L8 8
#define X_00FF00FF 0x00ff00ff
#define X_FF00FF00 0xff00ff00
#define MASK_RGB 0x00ffffff
#define FORMAT_ARGB
#include "stretch_up_down_32.h"
#undef FORMAT_ARGB
#undef DST_FORMAT
#undef TABLE_NAME
#undef FUNC_NAME
#undef SHIFT_R8
#undef SHIFT_L8
#undef X_00FF00FF
#undef X_FF00FF00
#undef MASK_RGB
/**********************************************************************************************************************/
/*** 32 bit RGB 8888 scalers ******************************************************************************************/
/**********************************************************************************************************************/
#define DST_FORMAT DSPF_RGB32
#define TABLE_NAME stretch_hvx_RGB32
#define FUNC_NAME(UPDOWN,K,P,F) stretch_hvx_RGB32_ ## UPDOWN ## _ ## K ## P ## _ ## F
#define SHIFT_R8 8
#define SHIFT_L8 8
#define X_00FF00FF 0x00ff00ff
#define X_FF00FF00 0x0000ff00
#define MASK_RGB 0x00ffffff
#define FORMAT_RGB32
#include "stretch_up_down_32.h"
#undef FORMAT_RGB32
#undef DST_FORMAT
#undef TABLE_NAME
#undef FUNC_NAME
#undef SHIFT_R8
#undef SHIFT_L8
#undef X_00FF00FF
#undef X_FF00FF00
#undef MASK_RGB
class Scaler
{
public Scaler() {
}
public void scale( DFBSurfacePixelFormat format,
void *dst,
int dpitch,
const void *src,
int spitch,
int width,
int height,
int dst_width,
int dst_height,
const DFBRegion &clip )
{
D_DEBUG_AT( PluggIt_Scaler, "%s( %s, %p [%d], %p [%d], %dx%d -> %dx%d, clip %4d,%4d-%4dx%4d )\n",
__FUNCTION__, dfb_pixelformat_name( format ), dst, dpitch, src, spitch, width, height,
dst_width, dst_height, DFB_RECTANGLE_VALS_FROM_REGION( &clip ) );
StretchCtx ctx;
ctx.clip = clip;
switch (format) {
case DSPF_RGB16:
if (width <= dst_width || height <= dst_height)
stretch_hvx_RGB16_up____DSPF_RGB32( dst, dpitch, src, spitch, width, height, dst_width, dst_height, &ctx );
else
stretch_hvx_RGB16_down____DSPF_RGB32( dst, dpitch, src, spitch, width, height, dst_width, dst_height, &ctx );
break;
case DSPF_RGB32:
if (width <= dst_width || height <= dst_height)
stretch_hvx_RGB32_up____DSPF_RGB32( dst, dpitch, src, spitch, width, height, dst_width, dst_height, &ctx );
else
stretch_hvx_RGB32_down____DSPF_RGB32( dst, dpitch, src, spitch, width, height, dst_width, dst_height, &ctx );
break;
case DSPF_ARGB:
if (width <= dst_width || height <= dst_height)
stretch_hvx_ARGB_up____DSPF_RGB32( dst, dpitch, src, spitch, width, height, dst_width, dst_height, &ctx );
else
stretch_hvx_ARGB_down____DSPF_RGB32( dst, dpitch, src, spitch, width, height, dst_width, dst_height, &ctx );
break;
default:
D_UNIMPLEMENTED();
break;
}
}
};
}
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