Changeset - r21164:6c2703eaba5c
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rubidium - 11 years ago 2014-01-13 17:58:58
rubidium@openttd.org
(svn r26250) -Codechange: deduplicate darkening (e.g. shadow) code (MJP)
5 files changed with 24 insertions and 75 deletions:
src/blitter/32bpp_anim_sse4.cpp
2
16
src/blitter/32bpp_sse2.cpp
3
21
src/blitter/32bpp_sse2.hpp
13
src/blitter/32bpp_sse4.cpp
3
19
src/blitter/32bpp_ssse3.cpp
3
19
0 comments (0 inline, 0 general)
src/blitter/32bpp_anim_sse4.cpp
➞
Show inline comments
 
@@ -290,14 +290,7 @@ bmcr_alpha_blend_single:
 
				for (uint x = (uint) bp->width / 2; x > 0; x--) {
 
					__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
 
					__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
 
					__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);
 
					alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
 
					dstAB = _mm_mullo_epi16(dstAB, nom);
 
					dstAB = _mm_srli_epi16(dstAB, 8);
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);
 
					DARKEN_2();
 
					_mm_storel_epi64((__m128i *) dst, dstAB);
 
					src += 2;
 
					dst += 2;
 
@@ -308,14 +301,7 @@ bmcr_alpha_blend_single:
 
				if (bp->width & 1) {
 
					__m128i srcABCD = _mm_cvtsi32_si128(src->data);
 
					__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
 
					__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);
 
					alphaAB = _mm_srli_epi16(alphaAB, 2);
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
 
					dstAB = _mm_mullo_epi16(dstAB, nom);
 
					dstAB = _mm_srli_epi16(dstAB, 8);
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);
 
					DARKEN_2();
 
					dst->data = _mm_cvtsi128_si32(dstAB);
 
					if (src[0].a) anim[0] = 0;
 
				}
src/blitter/32bpp_sse2.cpp
➞
Show inline comments
 
@@ -144,21 +144,11 @@ bmcr_alpha_blend_single:
 
				break;
 
			}
 
			case BM_TRANSPARENT: {
 
				/* Make the current colour a bit more black, so it looks like this image is transparent.
 
				 * rgb = rgb * ((256/4) * 4 - (alpha/4)) / ((256/4) * 4)
 
				 */
 
				/* Make the current colour a bit more black, so it looks like this image is transparent. */
 
				for (uint x = (uint) bp->width / 2; x > 0; x--) {
 
					__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
 
					__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
 
					__m128i alphaAB = _mm_shufflelo_epi16(srcAB, 0x3F);
 
					alphaAB = _mm_shufflehi_epi16(alphaAB, 0x3F);
 
					alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
 
					dstAB = _mm_mullo_epi16(dstAB, nom);
 
					dstAB = _mm_srli_epi16(dstAB, 8);
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);
 
					DARKEN_2();
 
					_mm_storel_epi64((__m128i *) dst, dstAB);
 
					src += 2;
 
					dst += 2;
 
@@ -166,15 +156,7 @@ bmcr_alpha_blend_single:
 
				if (bp->width & 1) {
 
					__m128i srcABCD = _mm_cvtsi32_si128(src->data);
 
					__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
 
					__m128i alphaAB = _mm_shufflelo_epi16(srcAB, 0x3F);
 
					alphaAB = _mm_shufflehi_epi16(alphaAB, 0x3F);
 
					alphaAB = _mm_srli_epi16(alphaAB, 2);
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
 
					dstAB = _mm_mullo_epi16(dstAB, nom);
 
					dstAB = _mm_srli_epi16(dstAB, 8);
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);
 
					DARKEN_2();
 
					dst->data = _mm_cvtsi128_si32(dstAB);
 
				}
 
				break;
src/blitter/32bpp_sse2.hpp
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Show inline comments
 
@@ -81,6 +81,19 @@ typedef union ALIGN(16) um128i {
 
	PACK_AB_WITHOUT_SATURATION(srcAB, srcABCD); \
 
}
 

			




	
	
	
		
 
/* Darken 2 pixels.

			




	
	
	
		
 
 * rgb = rgb * ((256/4) * 4 - (alpha/4)) / ((256/4) * 4)

			




	
	
	
		
 
 */

			




	
	
	
		
 
#define DARKEN_2() \

			




	
	
	
		
 
	__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128()); \

			




	
	
	
		
 
	__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128()); \

			




	
	
	
		
 
	__m128i PUT_ALPHA_IN_FRONT_OF_RGB(srcAB, alphaAB); \

			




	
	
	
		
 
	alphaAB = _mm_srli_epi16(alphaAB, 2); /* Reduce to 64 levels of shades so the max value fits in 16 bits. */ \

			




	
	
	
		
 
	__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB); \

			




	
	
	
		
 
	dstAB = _mm_mullo_epi16(dstAB, nom); \

			




	
	
	
		
 
	dstAB = _mm_srli_epi16(dstAB, 8); \

			




	
	
	
		
 
	dstAB = _mm_packus_epi16(dstAB, dstAB);

			




	
	
	
		
 

			




	
	
	
		
 
/** Base methods for 32bpp SSE blitters. */

			




	
	
	
		
 
class Blitter_32bppSSE_Base {

			




	
	
	
		
 
public:

			




        

    


    
    

    

        

                

                    src/blitter/32bpp_sse4.cpp
                

                

                  
                      
                        

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@@ -188,20 +188,11 @@ bmcr_alpha_blend_single:

			




	
	
	
		
 
			}

			




	
	
	
		
 

			




	
	
	
		
 
			case BM_TRANSPARENT: {

			




	
	
	
		
 
				/* Make the current colour a bit more black, so it looks like this image is transparent.

			




	
	
	
		
 
				 * rgb = rgb * ((256/4) * 4 - (alpha/4)) / ((256/4) * 4)

			




	
	
	
		
 
				 */

			




	
	
	
		
 
				/* Make the current colour a bit more black, so it looks like this image is transparent. */

			




	
	
	
		
 
				for (uint x = (uint) bp->width / 2; x > 0; x--) {

			




	
	
	
		
 
					__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);

			




	
	
	
		
 
					__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);

			




	
	
	
		
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);

			




	
	
	
		
 
					alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.

			




	
	
	
		
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);

			




	
	
	
		
 
					dstAB = _mm_mullo_epi16(dstAB, nom);

			




	
	
	
		
 
					dstAB = _mm_srli_epi16(dstAB, 8);

			




	
	
	
		
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);

			




	
	
	
		
 
					DARKEN_2();

			




	
	
	
		
 
					_mm_storel_epi64((__m128i *) dst, dstAB);

			




	
	
	
		
 
					src += 2;

			




	
	
	
		
 
					dst += 2;

			




	
	
		
 
@@ -209,14 +200,7 @@ bmcr_alpha_blend_single:

			




	
	
	
		
 
				if (bp->width & 1) {

			




	
	
	
		
 
					__m128i srcABCD = _mm_cvtsi32_si128(src->data);

			




	
	
	
		
 
					__m128i dstABCD = _mm_cvtsi32_si128(dst->data);

			




	
	
	
		
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);

			




	
	
	
		
 
					alphaAB = _mm_srli_epi16(alphaAB, 2);

			




	
	
	
		
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);

			




	
	
	
		
 
					dstAB = _mm_mullo_epi16(dstAB, nom);

			




	
	
	
		
 
					dstAB = _mm_srli_epi16(dstAB, 8);

			




	
	
	
		
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);

			




	
	
	
		
 
					DARKEN_2();

			




	
	
	
		
 
					dst->data = _mm_cvtsi128_si32(dstAB);

			




	
	
	
		
 
				}

			




	
	
	
		
 

			




        

    


    
    

    

        

                

                    src/blitter/32bpp_ssse3.cpp
                

                

                  
                      
                        

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                    Show inline comments
                    
                

        

        

            



	
	
		
 
@@ -188,20 +188,11 @@ bmcr_alpha_blend_single:

			




	
	
	
		
 
			}

			




	
	
	
		
 

			




	
	
	
		
 
			case BM_TRANSPARENT: {

			




	
	
	
		
 
				/* Make the current colour a bit more black, so it looks like this image is transparent.

			




	
	
	
		
 
				 * rgb = rgb * ((256/4) * 4 - (alpha/4)) / ((256/4) * 4)

			




	
	
	
		
 
				 */

			




	
	
	
		
 
				/* Make the current colour a bit more black, so it looks like this image is transparent. */

			




	
	
	
		
 
				for (uint x = (uint) bp->width / 2; x > 0; x--) {

			




	
	
	
		
 
					__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);

			




	
	
	
		
 
					__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);

			




	
	
	
		
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);

			




	
	
	
		
 
					alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.

			




	
	
	
		
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);

			




	
	
	
		
 
					dstAB = _mm_mullo_epi16(dstAB, nom);

			




	
	
	
		
 
					dstAB = _mm_srli_epi16(dstAB, 8);

			




	
	
	
		
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);

			




	
	
	
		
 
					DARKEN_2();

			




	
	
	
		
 
					_mm_storel_epi64((__m128i *) dst, dstAB);

			




	
	
	
		
 
					src += 2;

			




	
	
	
		
 
					dst += 2;

			




	
	
		
 
@@ -209,14 +200,7 @@ bmcr_alpha_blend_single:

			




	
	
	
		
 
				if (bp->width & 1) {

			




	
	
	
		
 
					__m128i srcABCD = _mm_cvtsi32_si128(src->data);

			




	
	
	
		
 
					__m128i dstABCD = _mm_cvtsi32_si128(dst->data);

			




	
	
	
		
 
					__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());

			




	
	
	
		
 
					__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);

			




	
	
	
		
 
					alphaAB = _mm_srli_epi16(alphaAB, 2);

			




	
	
	
		
 
					__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);

			




	
	
	
		
 
					dstAB = _mm_mullo_epi16(dstAB, nom);

			




	
	
	
		
 
					dstAB = _mm_srli_epi16(dstAB, 8);

			




	
	
	
		
 
					dstAB = _mm_packus_epi16(dstAB, dstAB);

			




	
	
	
		
 
					DARKEN_2();

			




	
	
	
		
 
					dst->data = _mm_cvtsi128_si32(dstAB);

			




	
	
	
		
 
				}

			




	
	
	
		
 
				break;

			




        

    



    


    



    



      

      





    
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