mirror of https://github.com/bsnes-emu/bsnes.git
118 lines
2.9 KiB
C++
118 lines
2.9 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(Emulator::Interface::PaletteMode mode) {
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this->mode = mode;
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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 uint32_t[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(mode == Emulator::Interface::PaletteMode::Literal) {
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return color;
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}
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if(mode == Emulator::Interface::PaletteMode::Channel) {
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unsigned L = image::normalize(color, 2, 16);
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return interface->videoColor(color, 0, 0, 0, L);
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}
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if(mode == Emulator::Interface::PaletteMode::Standard) {
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unsigned L = image::normalize(3 - color, 2, 16);
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return interface->videoColor(color, 0, L, L, L);
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}
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if(mode == Emulator::Interface::PaletteMode::Emulation) {
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unsigned R = monochrome[color][0];
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unsigned G = monochrome[color][1];
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unsigned B = monochrome[color][2];
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return interface->videoColor(color, 0, R, G, B);
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}
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return 0;
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}
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unsigned Video::palette_sgb(unsigned color) const {
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return color;
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}
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unsigned Video::palette_cgb(unsigned color) const {
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if(mode == Emulator::Interface::PaletteMode::Literal) {
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return color;
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}
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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(mode == Emulator::Interface::PaletteMode::Channel) {
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r = image::normalize(r, 5, 16);
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g = image::normalize(g, 5, 16);
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b = image::normalize(b, 5, 16);
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return interface->videoColor(color, 0, r, g, b);
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}
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if(mode == Emulator::Interface::PaletteMode::Standard) {
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r = image::normalize(r, 5, 16);
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g = image::normalize(g, 5, 16);
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b = image::normalize(b, 5, 16);
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return interface->videoColor(color, 0, r, g, b);
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}
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if(mode == Emulator::Interface::PaletteMode::Emulation) {
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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, 0, R, G, B);
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}
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return 0;
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}
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#define DMG_PALETTE_GREEN
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//#define DMG_PALETTE_YELLOW
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//#define DMG_PALETTE_WHITE
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const uint16 Video::monochrome[4][3] = {
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#if defined(DMG_PALETTE_GREEN)
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{0xaeae, 0xd9d9, 0x2727},
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{0x5858, 0xa0a0, 0x2828},
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{0x2020, 0x6262, 0x2929},
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{0x1a1a, 0x4545, 0x2a2a},
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#elif defined(DMG_PALETTE_YELLOW)
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{0xffff, 0xf7f7, 0x7b7b},
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{0xb5b5, 0xaeae, 0x4a4a},
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{0x6b6b, 0x6969, 0x3131},
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{0x2121, 0x2020, 0x1010},
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#else //DMG_PALETTE_WHITE
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{0xffff, 0xffff, 0xffff},
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{0xaaaa, 0xaaaa, 0xaaaa},
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{0x5555, 0x5555, 0x5555},
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{0x0000, 0x0000, 0x0000},
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#endif
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};
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}
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