(SoftFilters) Refactor super2xsai.c
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twinaphex
parent
8a214da781
commit
cfb9cbdbd1
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@ -74,37 +74,62 @@ static void supertwoxsai_generic_destroy(void *data)
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free(filt);
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}
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#ifndef result1_body
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#define result1_body(A, B, C, D, x, y) \
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if (A == C) \
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x += 1; \
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else if (B == C) \
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y += 1; \
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if (A == D) \
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x += 1; \
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else if (B == D) \
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y += 1; \
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if (x <= 1) \
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r += 1; \
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if (y <= 1) \
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r -= 1
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#endif
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#ifndef interpolate_body
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#define interpolate_body(A, B, r, pack_color) \
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A |= (A << 16); /* unpack */ \
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A &= pack_color; \
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B |= (B << 16); \
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B &= pack_color; \
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r = (A + B) >> 1; /* mix */ \
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r &= pack_color /* repack */
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#endif
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#ifndef interpolate2_body
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#define interpolate2_body(A, B, C, D, r, pack_color) \
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A |= (A << 16); /* unpack */ \
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A &= pack_color; \
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B |= (B << 16); \
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B &= pack_color; \
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C |= (C << 16); \
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C &= pack_color; \
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D |= (D << 16); \
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D &= pack_color; \
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r = (A + B + C + D) >> 2; /* mix */ \
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r &= pack_color /* repack */
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#endif
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static inline uint16_t supertwoxsai_interpolate_rgb565(uint32_t A, uint32_t B)
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{
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uint32_t r;
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interpolate_body(A, B, r, 0x7e0f81f);
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A |= (A << 16); /* unpack */
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A &= 0x7e0f81f;
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B |= (B << 16);
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B &= 0x7e0f81f;
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r = (A + B) >> 1; /* mix */
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r &= 0x7e0f81f; /* repack */
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return (r | (r >> 16));
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}
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static inline uint16_t supertwoxsai_interpolate2_rgb565(uint32_t A, uint32_t B, uint32_t C, uint32_t D)
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{
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uint32_t r;
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A |= (A << 16); /* unpack */
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A &= 0x7e0f81f;
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B |= (B << 16);
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B &= 0x7e0f81f;
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C |= (C << 16);
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C &= 0x7e0f81f;
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D |= (D << 16);
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D &= 0x7e0f81f;
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interpolate2_body(A, B, C, D, r, 0x7e0f81f);
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r = (A + B + C + D) >> 2; /* mix */
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r &= 0x7e0f81f; /* repack */
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return (r | (r >> 16));
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}
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@ -115,18 +140,8 @@ static inline int supertwoxsai_result1_rgb565(uint16_t A, uint16_t B, uint16_t C
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y = 0;
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r = 0;
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if (A == C)
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x += 1;
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else if (B == C)
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y += 1;
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if (A == D)
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x += 1;
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else if (B == D)
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y += 1;
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if (x <= 1)
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r += 1;
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if (y <= 1)
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r -= 1;
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result1_body(A, B, C, D, x, y);
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return r;
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}
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@ -135,6 +150,7 @@ static void supertwoxsai_write2_rgb565(uint16_t *out, uint16_t val0, uint16_t va
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*((uint32_t*)out) = ((uint32_t)(val0) | ((uint32_t)(val1) << 16));
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}
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#ifndef supertwoxsai_declare_variables
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#define supertwoxsai_declare_variables(typename_t, in, nextline) \
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typename_t product1a, product1b, product2a, product2b; \
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const typename_t colorB0 = *(in - nextline - 1); \
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@ -153,6 +169,60 @@ static void supertwoxsai_write2_rgb565(uint16_t *out, uint16_t val0, uint16_t va
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const typename_t colorA1 = *(in + nextline + nextline + 0); \
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const typename_t colorA2 = *(in + nextline + nextline + 1); \
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const typename_t colorA3 = *(in + nextline + nextline + 2)
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#endif
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#ifndef supertwoxsai_function
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#define supertwoxsai_function(result1_cb, interpolate_cb, interpolate2_cb, write2_cb) \
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if (color2 == color6 && color5 != color3) \
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product2b = product1b = color2; \
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else if (color5 == color3 && color2 != color6) \
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product2b = product1b = color5; \
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else if (color5 == color3 && color2 == color6) \
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{ \
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int r = 0; \
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r += result1_cb(color6, color5, color1, colorA1); \
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r += result1_cb(color6, color5, color4, colorB1); \
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r += result1_cb(color6, color5, colorA2, colorS1); \
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r += result1_cb(color6, color5, colorB2, colorS2); \
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if (r > 0) \
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product2b = product1b = color6; \
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else if (r < 0) \
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product2b = product1b = color5; \
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else \
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product2b = product1b = interpolate_cb(color5, color6); \
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} \
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else \
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{ \
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if (color6 == color3 && color3 == colorA1 && color2 != colorA2 && color3 != colorA0) \
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product2b = interpolate2_cb(color3, color3, color3, color2); \
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else if ((color5 == color2 && color2 == colorA2) & (colorA1 != color3 && color2 != colorA3)) \
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product2b = interpolate2_cb(color2, color2, color2, color3); \
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else \
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product2b = interpolate_cb(color2, color3); \
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if (color6 == color3 && color6 == colorB1 && color5 != colorB2 && color6 != colorB0) \
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product1b = interpolate2_cb(color6, color6, color6, color5); \
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else if (color5 == color2 && color5 == colorB2 && colorB1 != color6 && color5 != colorB3) \
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product1b = interpolate2_cb(color6, color5, color5, color5); \
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else \
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product1b = interpolate_cb(color5, color6); \
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} \
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if (color5 == color3 && color2 != color6 && color4 == color5 && color5 != colorA2) \
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product2a = interpolate_cb(color2, color5); \
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else if (color5 == color1 && color6 == color5 && color4 != color2 && color5 != colorA0) \
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product2a = interpolate_cb(color2, color5); \
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else \
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product2a = color2; \
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if (color2 == color6 && color5 != color3 && color1 == color2 && color2 != colorB2) \
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product1a = interpolate_cb(color2, color5); \
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else if (color4 == color2 && color3 == color2 && color1 != color5 && color2 != colorB0) \
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product1a = interpolate_cb(color2, color5); \
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else \
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product1a = color5; \
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write2_cb(out, product1a, product1b); \
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write2_cb(out + dst_stride, product2a, product2b); \
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++in; \
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out += 2
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#endif
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static void supertwoxsai_generic_rgb565(unsigned width, unsigned height,
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int first, int last, uint16_t *src,
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@ -175,70 +245,7 @@ static void supertwoxsai_generic_rgb565(unsigned width, unsigned height,
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// A1 A2
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//--------------------------------------
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if (color2 == color6 && color5 != color3)
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product2b = product1b = color2;
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else if (color5 == color3 && color2 != color6)
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product2b = product1b = color5;
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else if (color5 == color3 && color2 == color6)
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{
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int r = 0;
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r += supertwoxsai_result1_rgb565(color6, color5, color1, colorA1);
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r += supertwoxsai_result1_rgb565(color6, color5, color4, colorB1);
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r += supertwoxsai_result1_rgb565(color6, color5, colorA2, colorS1);
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r += supertwoxsai_result1_rgb565(color6, color5, colorB2, colorS2);
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if (r > 0)
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product2b = product1b = color6;
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else if (r < 0)
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product2b = product1b = color5;
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else
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product2b = product1b = supertwoxsai_interpolate_rgb565(color5, color6);
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}
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else
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{
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if (color6 == color3 && color3 == colorA1 &&
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color2 != colorA2 && color3 != colorA0)
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product2b = supertwoxsai_interpolate2_rgb565(color3, color3, color3, color2);
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else if ((color5 == color2 && color2 == colorA2) &
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(colorA1 != color3 && color2 != colorA3))
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product2b = supertwoxsai_interpolate2_rgb565(color2, color2, color2, color3);
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else
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product2b = supertwoxsai_interpolate_rgb565(color2, color3);
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if (color6 == color3 && color6 == colorB1 &&
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color5 != colorB2 && color6 != colorB0)
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product1b = supertwoxsai_interpolate2_rgb565(color6, color6, color6, color5);
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else if (color5 == color2 && color5 == colorB2 &&
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colorB1 != color6 && color5 != colorB3)
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product1b = supertwoxsai_interpolate2_rgb565(color6, color5, color5, color5);
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else
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product1b = supertwoxsai_interpolate_rgb565(color5, color6);
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}
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if (color5 == color3 && color2 != color6 &&
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color4 == color5 && color5 != colorA2)
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product2a = supertwoxsai_interpolate_rgb565(color2, color5);
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else if (color5 == color1 && color6 == color5 &&
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color4 != color2 && color5 != colorA0)
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product2a = supertwoxsai_interpolate_rgb565(color2, color5);
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else
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product2a = color2;
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if (color2 == color6 && color5 != color3 &&
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color1 == color2 && color2 != colorB2)
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product1a = supertwoxsai_interpolate_rgb565(color2, color5);
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else if (color4 == color2 && color3 == color2 &&
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color1 != color5 && color2 != colorB0)
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product1a = supertwoxsai_interpolate_rgb565(color2, color5);
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else
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product1a = color5;
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supertwoxsai_write2_rgb565(out, product1a, product1b);
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supertwoxsai_write2_rgb565(out + dst_stride, product2a, product2b);
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++in;
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out += 2;
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supertwoxsai_function(supertwoxsai_result1_rgb565, supertwoxsai_interpolate_rgb565, supertwoxsai_interpolate2_rgb565, supertwoxsai_write2_rgb565);
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}
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src += src_stride;
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