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Improvements to AGB color correction

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This commit is contained in:
Lior Halphon 2020-02-17 23:05:11 +02:00
parent bf32ae66c6
commit 0290e70445
1 changed files with 3 additions and 5 deletions
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8
Core/display.c
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@ -264,15 +264,13 @@ uint32_t GB_convert_rgb15(GB_gameboy_t *gb, uint16_t color, bool for_border)
if (gb->color_correction_mode != GB_COLOR_CORRECTION_CORRECT_CURVES) { if (gb->color_correction_mode != GB_COLOR_CORRECTION_CORRECT_CURVES) {
uint8_t new_r, new_g, new_b; uint8_t new_r, new_g, new_b;
if (agb) { if (agb) {
new_r = (r * 7 + g * 1) / 8; new_g = (g * 6 + b * 1) / 7;
new_g = (g * 3 + b * 1) / 4;
new_b = (b * 7 + r * 1) / 8;
} }
else { else {
new_g = (g * 3 + b) / 4; new_g = (g * 3 + b) / 4;
new_r = r;
new_b = b;
} }
new_r = r;
new_b = b;
if (gb->color_correction_mode == GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS) { if (gb->color_correction_mode == GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS) {
uint8_t old_max = MAX(r, MAX(g, b)); uint8_t old_max = MAX(r, MAX(g, b));
uint8_t new_max = MAX(new_r, MAX(new_g, new_b)); uint8_t new_max = MAX(new_r, MAX(new_g, new_b));