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(svn r26257) -Codechange: replace most of the SSE macros by functions

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rubidium
2014-01-13 18:09:21 +00:00
parent 2f3c3d2ba6
commit 3df799c1c6
14 changed files with 367 additions and 366 deletions
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49
src/blitter/32bpp_ssse3.hpp
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@@ -14,53 +14,10 @@
#ifdef WITH_SSE
#ifndef SSE_VERSION
#define SSE_VERSION 3
#endif
#include "32bpp_sse2.hpp"
#include "tmmintrin.h"
/* Use PSHUFB instead of PSHUFHW+PSHUFLW. */
#undef PUT_ALPHA_IN_FRONT_OF_RGB
#define PUT_ALPHA_IN_FRONT_OF_RGB(m_from, m_into) m_into = _mm_shuffle_epi8(m_from, a_cm);
#undef PACK_AB_WITHOUT_SATURATION
#define PACK_AB_WITHOUT_SATURATION(m_from, m_into) m_into = _mm_shuffle_epi8(m_from, pack_low_cm);
/* Adjust brightness of 2 pixels. */
#define ADJUST_BRIGHTNESS_2(m_colourX2, m_brightnessX2) \
/* The following dataflow differs from the one of AdjustBrightness() only for alpha.
* In order to keep alpha in colAB, insert a 1 in a unused brightness byte (a*1->a).
* OK, not a 1 but DEFAULT_BRIGHTNESS to compensate the div.
*/ \
m_brightnessX2 &= 0xFF00FF00; \
m_brightnessX2 += DEFAULT_BRIGHTNESS; \
\
__m128i zero = _mm_setzero_si128(); \
__m128i colAB = _mm_unpacklo_epi8(m_colourX2, zero); \
\
__m128i briAB = _mm_cvtsi32_si128(m_brightnessX2); \
briAB = _mm_shuffle_epi8(briAB, BRIGHTNESS_LOW_CONTROL_MASK); /* DEFAULT_BRIGHTNESS in 0, 0x00 in 2. */ \
colAB = _mm_mullo_epi16(colAB, briAB); \
__m128i colAB_ob = _mm_srli_epi16(colAB, 8+7); \
colAB = _mm_srli_epi16(colAB, 7); \
\
/* Sum overbright.
* Maximum for each rgb is 508 => 9 bits. The highest bit tells if there is overbright.
* -255 is changed in -256 so we just have to take the 8 lower bits into account.
*/ \
colAB = _mm_and_si128(colAB, BRIGHTNESS_DIV_CLEANER); \
colAB_ob = _mm_and_si128(colAB_ob, OVERBRIGHT_PRESENCE_MASK); \
colAB_ob = _mm_mullo_epi16(colAB_ob, OVERBRIGHT_VALUE_MASK); \
colAB_ob = _mm_and_si128(colAB_ob, colAB); \
__m128i obAB = _mm_hadd_epi16(_mm_hadd_epi16(colAB_ob, zero), zero); \
\
obAB = _mm_srli_epi16(obAB, 1); /* Reduce overbright strength. */ \
obAB = _mm_shuffle_epi8(obAB, OVERBRIGHT_CONTROL_MASK); \
__m128i retAB = OVERBRIGHT_VALUE_MASK; /* ob_mask is equal to white. */ \
retAB = _mm_subs_epu16(retAB, colAB); /* (255 - rgb) */ \
retAB = _mm_mullo_epi16(retAB, obAB); /* ob*(255 - rgb) */ \
retAB = _mm_srli_epi16(retAB, 8); /* ob*(255 - rgb)/256 */ \
retAB = _mm_add_epi16(retAB, colAB); /* ob*(255 - rgb)/256 + rgb */ \
\
m_colourX2 = _mm_packus_epi16(retAB, retAB);
/** The SSSE3 32 bpp blitter (without palette animation). */
class Blitter_32bppSSSE3 : public Blitter_32bppSSE2 {