/src/FreeRDP/libfreerdp/primitives/prim_internal.h

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/* prim_internal.h
 * vi:ts=4 sw=4
 *
 * (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * permissions and limitations under the License.  Algorithms used by
 * this code may be covered by patents by HP, Microsoft, or other parties.
 *
 */

#ifndef FREERDP_LIB_PRIM_INTERNAL_H
#define FREERDP_LIB_PRIM_INTERNAL_H

#include <freerdp/config.h>

#include <freerdp/primitives.h>
#include <freerdp/api.h>

#ifdef __GNUC__
#define PRIM_ALIGN_128 __attribute__((aligned(16)))
#else
#ifdef _WIN32
#define PRIM_ALIGN_128 __declspec(align(16))
#endif
#endif

#if defined(WITH_SSE2) || defined(WITH_NEON) || defined(WITH_OPENCL)
#define HAVE_OPTIMIZED_PRIMITIVES 1
#endif

#if defined(WITH_SSE2) || defined(WITH_NEON)
#define HAVE_CPU_OPTIMIZED_PRIMITIVES 1
#endif

#if defined(WITH_SSE2)
/* Use lddqu for unaligned; load for 16-byte aligned. */
#define LOAD_SI128(_ptr_)                                                       \
  (((const ULONG_PTR)(_ptr_)&0x0f) ? _mm_lddqu_si128((const __m128i*)(_ptr_)) \
                                   : _mm_load_si128((const __m128i*)(_ptr_)))
#endif

static INLINE BYTE* writePixelBGRA(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);

  *dst++ = B;
  *dst++ = G;
  *dst++ = R;
  *dst++ = A;
  return dst;
}

static INLINE BYTE* writePixelBGRX(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);
  WINPR_UNUSED(A);

  *dst++ = B;
  *dst++ = G;
  *dst++ = R;
  dst++; /* Do not touch alpha */

  return dst;
}

static INLINE BYTE* writePixelRGBA(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);

  *dst++ = R;
  *dst++ = G;
  *dst++ = B;
  *dst++ = A;
  return dst;
}

static INLINE BYTE* writePixelRGBX(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);
  WINPR_UNUSED(A);

  *dst++ = R;
  *dst++ = G;
  *dst++ = B;
  dst++; /* Do not touch alpha */

  return dst;
}

static INLINE BYTE* writePixelABGR(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);

  *dst++ = A;
  *dst++ = B;
  *dst++ = G;
  *dst++ = R;
  return dst;
}

static INLINE BYTE* writePixelXBGR(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);
  WINPR_UNUSED(A);

  dst++; /* Do not touch alpha */
  *dst++ = B;
  *dst++ = G;
  *dst++ = R;
  return dst;
}

static INLINE BYTE* writePixelARGB(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);

  *dst++ = A;
  *dst++ = R;
  *dst++ = G;
  *dst++ = B;
  return dst;
}

static INLINE BYTE* writePixelXRGB(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                   BYTE B, BYTE A)
{
  WINPR_UNUSED(formatSize);
  WINPR_UNUSED(format);
  WINPR_UNUSED(A);

  dst++; /* Do not touch alpha */
  *dst++ = R;
  *dst++ = G;
  *dst++ = B;
  return dst;
}

static INLINE BYTE* writePixelGenericAlpha(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R,
                                           BYTE G, BYTE B, BYTE A)
{
  UINT32 color = FreeRDPGetColor(format, R, G, B, A);
  FreeRDPWriteColor(dst, format, color);
  return dst + formatSize;
}

static INLINE BYTE* writePixelGeneric(BYTE* dst, DWORD formatSize, UINT32 format, BYTE R, BYTE G,
                                      BYTE B, BYTE A)
{
  UINT32 color = FreeRDPGetColor(format, R, G, B, A);
  FreeRDPWriteColorIgnoreAlpha(dst, format, color);
  return dst + formatSize;
}

typedef BYTE* (*fkt_writePixel)(BYTE*, DWORD, UINT32, BYTE, BYTE, BYTE, BYTE);

static INLINE fkt_writePixel getPixelWriteFunction(DWORD format, BOOL useAlpha)
{
  switch (format)
  {
    case PIXEL_FORMAT_ARGB32:
    case PIXEL_FORMAT_XRGB32:
      return useAlpha ? writePixelARGB : writePixelXRGB;

    case PIXEL_FORMAT_ABGR32:
    case PIXEL_FORMAT_XBGR32:
      return useAlpha ? writePixelABGR : writePixelXBGR;

    case PIXEL_FORMAT_RGBA32:
    case PIXEL_FORMAT_RGBX32:
      return useAlpha ? writePixelRGBA : writePixelRGBX;

    case PIXEL_FORMAT_BGRA32:
    case PIXEL_FORMAT_BGRX32:
      return useAlpha ? writePixelBGRA : writePixelBGRX;

    default:
      return useAlpha ? writePixelGenericAlpha : writePixelGeneric;
  }
}

static INLINE BYTE CLIP(INT64 X)
{
  if (X > 255L)
    return 255L;

  if (X < 0L)
    return 0L;

  return (BYTE)X;
}

static INLINE BYTE CONDITIONAL_CLIP(INT32 in, BYTE original)
{
  BYTE out = CLIP(in);
  BYTE diff;
  if (out > original)
    diff = out - original;
  else
    diff = original - out;
  if (diff < 30)
    return original;
  return out;
}

/**
 * | R |   ( | 256     0    403 | |    Y    | )
 * | G | = ( | 256   -48   -120 | | U - 128 | ) >> 8
 * | B |   ( | 256   475      0 | | V - 128 | )
 */
static INLINE INT32 C(INT32 Y)
{
  return (Y)-0L;
}

static INLINE INT32 D(INT32 U)
{
  return (U)-128L;
}

static INLINE INT32 E(INT32 V)
{
  return (V)-128L;
}

static INLINE BYTE YUV2R(INT32 Y, INT32 U, INT32 V)
{
  const INT32 r = (256L * C(Y) + 0L * D(U) + 403L * E(V));
  const INT32 r8 = r >> 8L;
  return CLIP(r8);
}

static INLINE BYTE YUV2G(INT32 Y, INT32 U, INT32 V)
{
  const INT32 g = (256L * C(Y) - 48L * D(U) - 120L * E(V));
  const INT32 g8 = g >> 8L;
  return CLIP(g8);
}

static INLINE BYTE YUV2B(INT32 Y, INT32 U, INT32 V)
{
  const INT32 b = (256L * C(Y) + 475L * D(U) + 0L * E(V));
  const INT32 b8 = b >> 8L;
  return CLIP(b8);
}

/* Function prototypes for all the init/deinit routines. */
FREERDP_LOCAL void primitives_init_copy(primitives_t* prims);
FREERDP_LOCAL void primitives_init_set(primitives_t* prims);
FREERDP_LOCAL void primitives_init_add(primitives_t* prims);
FREERDP_LOCAL void primitives_init_andor(primitives_t* prims);
FREERDP_LOCAL void primitives_init_shift(primitives_t* prims);
FREERDP_LOCAL void primitives_init_sign(primitives_t* prims);
FREERDP_LOCAL void primitives_init_alphaComp(primitives_t* prims);
FREERDP_LOCAL void primitives_init_colors(primitives_t* prims);
FREERDP_LOCAL void primitives_init_YCoCg(primitives_t* prims);
FREERDP_LOCAL void primitives_init_YUV(primitives_t* prims);

#if defined(WITH_SSE2) || defined(WITH_NEON)
FREERDP_LOCAL void primitives_init_copy_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_set_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_add_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_andor_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_shift_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_sign_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_alphaComp_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_colors_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_YCoCg_opt(primitives_t* prims);
FREERDP_LOCAL void primitives_init_YUV_opt(primitives_t* prims);
#endif

#if defined(WITH_OPENCL)
FREERDP_LOCAL BOOL primitives_init_opencl(primitives_t* prims);
#endif

FREERDP_LOCAL primitives_t* primitives_get_by_type(DWORD type);

#endif /* FREERDP_LIB_PRIM_INTERNAL_H */

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Created: 2024-05-20 06:11