mirror of https://github.com/bsnes-emu/bsnes.git
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#include <gb/gb.hpp>
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#define VIDEO_CPP
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namespace GameBoy {
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Video video;
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void Video::generate_palette(bool color_emulation) {
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this->color_emulation = color_emulation;
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if(system.dmg()) for(unsigned n = 0; n < 4; n++) palette[n] = palette_dmg(n);
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if(system.sgb()) for(unsigned n = 0; n < 4; n++) palette[n] = palette_sgb(n);
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if(system.cgb()) for(unsigned n = 0; n < (1 << 15); n++) palette[n] = palette_cgb(n);
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}
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Video::Video() {
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palette = new unsigned[1 << 15]();
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}
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Video::~Video() {
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delete[] palette;
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}
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unsigned Video::palette_dmg(unsigned color) const {
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if(color_emulation == false) {
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unsigned L = (3 - color) * 21845;
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return interface->videoColor(color, L, L, L);
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}
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unsigned R = monochrome[color][0] * 65535.0;
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unsigned G = monochrome[color][1] * 65535.0;
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unsigned B = monochrome[color][2] * 65535.0;
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return interface->videoColor(color, R, G, B);
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}
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unsigned Video::palette_sgb(unsigned color) const {
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unsigned R = (3 - color) * 21845;
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unsigned G = (3 - color) * 21845;
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unsigned B = (3 - color) * 21845;
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return interface->videoColor(color, R, G, B);
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}
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unsigned Video::palette_cgb(unsigned color) const {
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unsigned r = (color >> 0) & 31;
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unsigned g = (color >> 5) & 31;
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unsigned b = (color >> 10) & 31;
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if(color_emulation == false) {
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unsigned R = (r << 11) | (r << 6) | (r << 1) | (r >> 4);
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unsigned G = (g << 11) | (g << 6) | (g << 1) | (g >> 4);
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unsigned B = (b << 11) | (b << 6) | (b << 1) | (b >> 4);
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return interface->videoColor(color, R, G, B);
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}
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unsigned R = (r * 26 + g * 4 + b * 2);
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unsigned G = ( g * 24 + b * 8);
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unsigned B = (r * 6 + g * 4 + b * 22);
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R = min(960, R);
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G = min(960, G);
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B = min(960, B);
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R = R << 6 | R >> 4;
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G = G << 6 | G >> 4;
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B = B << 6 | B >> 4;
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return interface->videoColor(color, R, G, B);
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}
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const double Video::monochrome[4][3] = {
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{0.605, 0.734, 0.059},
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{0.543, 0.672, 0.059},
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{0.188, 0.383, 0.188},
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{0.059, 0.219, 0.059},
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};
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}
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