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[primitives,sse] enable and refactor prefetch code

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akallabeth
2025-02-26 23:00:53 +01:00
parent a520f845a3
commit 413c9b8a85
1 changed files with 37 additions and 0 deletions
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37
libfreerdp/primitives/sse/prim_colors_sse2.c
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@@ -33,6 +33,8 @@
static primitives_t* generic = NULL;
#define CACHE_LINE_BYTES 64
/* 1.403 << 14 */
/* -0.344 << 14 */
/* -0.714 << 14 */
@@ -77,6 +79,24 @@ static inline __m128i mm_between_epi16_int(__m128i val, __m128i min, __m128i max
#define mm_between_epi16(_val, _min, _max) (_val) = mm_between_epi16_int((_val), (_min), (_max))
static inline void mm_prefetch_buffer(const void* WINPR_RESTRICT buffer, size_t width,
size_t stride, size_t height)
{
const size_t srcbump = stride / sizeof(__m128i);
const __m128i* buf = (const __m128i*)buffer;
for (size_t y = 0; y < height; y++)
{
const __m128i* line = &buf[y * srcbump];
for (size_t x = 0; x < width * sizeof(INT16) / sizeof(__m128i);
x += (CACHE_LINE_BYTES / sizeof(__m128i)))
{
const char* ptr = (const char*)&line[x];
_mm_prefetch(ptr, _MM_HINT_NTA);
}
}
}
/*---------------------------------------------------------------------------*/
static pstatus_t
sse2_yCbCrToRGB_16s16s_P3P3(const INT16* WINPR_RESTRICT pSrc[3], int srcStep,
@@ -111,6 +131,11 @@ sse2_yCbCrToRGB_16s16s_P3P3(const INT16* WINPR_RESTRICT pSrc[3], int srcStep,
__m128i c4096 = _mm_set1_epi16(4096);
const size_t srcbump = WINPR_ASSERTING_INT_CAST(size_t, srcStep) / sizeof(__m128i);
const size_t dstbump = WINPR_ASSERTING_INT_CAST(size_t, dstStep) / sizeof(__m128i);
mm_prefetch_buffer(y_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(cb_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(cr_buf, roi->width, (size_t)srcStep, roi->height);
const size_t imax = roi->width * sizeof(INT16) / sizeof(__m128i);
for (UINT32 yp = 0; yp < roi->height; ++yp)
@@ -203,6 +228,10 @@ sse2_yCbCrToRGB_16s8u_P3AC4R_BGRX(const INT16* WINPR_RESTRICT pSrc[3],
BYTE* d_buf = pDst;
const size_t dstPad = (dstStep - roi->width * 4);
mm_prefetch_buffer(y_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(cr_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(cb_buf, roi->width, (size_t)srcStep, roi->height);
for (UINT32 yp = 0; yp < roi->height; ++yp)
{
for (size_t i = 0; i < imax; i += 2)
@@ -368,6 +397,10 @@ sse2_yCbCrToRGB_16s8u_P3AC4R_RGBX(const INT16* WINPR_RESTRICT pSrc[3],
BYTE* d_buf = pDst;
const size_t dstPad = (dstStep - roi->width * 4);
mm_prefetch_buffer(y_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(cb_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(cr_buf, roi->width, (size_t)srcStep, roi->height);
for (UINT32 yp = 0; yp < roi->height; ++yp)
{
for (size_t i = 0; i < imax; i += 2)
@@ -572,6 +605,10 @@ sse2_RGBToYCbCr_16s16s_P3P3(const INT16* WINPR_RESTRICT pSrc[3], int srcStep,
const size_t srcbump = WINPR_ASSERTING_INT_CAST(size_t, srcStep) / sizeof(__m128i);
const size_t dstbump = WINPR_ASSERTING_INT_CAST(size_t, dstStep) / sizeof(__m128i);
mm_prefetch_buffer(r_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(g_buf, roi->width, (size_t)srcStep, roi->height);
mm_prefetch_buffer(b_buf, roi->width, (size_t)srcStep, roi->height);
const size_t imax = roi->width * sizeof(INT16) / sizeof(__m128i);
for (UINT32 yp = 0; yp < roi->height; ++yp)