#include namespace GameBoyAdvance { Video video; void Video::generate_palette(Emulator::Interface::PaletteMode mode) { for(unsigned color = 0; color < (1 << 15); color++) { if(mode == Emulator::Interface::PaletteMode::Literal) { palette[color] = color; continue; } unsigned B = (color >> 10) & 31; unsigned G = (color >> 5) & 31; unsigned R = (color >> 0) & 31; if(mode == Emulator::Interface::PaletteMode::Channel) { R = image::normalize(R, 5, 16); G = image::normalize(G, 5, 16); B = image::normalize(B, 5, 16); palette[color] = interface->videoColor(color, 0, R, G, B); continue; } if(mode == Emulator::Interface::PaletteMode::Standard) { R = image::normalize(R, 5, 16); G = image::normalize(G, 5, 16); B = image::normalize(B, 5, 16); palette[color] = interface->videoColor(color, 0, R, G, B); continue; } if(mode == Emulator::Interface::PaletteMode::Emulation) { R = curve[R]; G = curve[G]; B = curve[B]; unsigned Rr = R * 16; unsigned Gr = R * 4; unsigned Br = R * 4; unsigned Rg = G * 8; unsigned Gg = G * 16; unsigned Bg = G * 8; unsigned Rb = B * 0; //intentionally always zero unsigned Gb = B * 8; unsigned Bb = B * 16; if(Rr < Rg) std::swap(Rr, Rg); if(Rr < Rb) std::swap(Rr, Rb); if(Rg < Rb) std::swap(Rg, Rb); if(Gr < Gg) std::swap(Gr, Gg); if(Gr < Gb) std::swap(Gr, Gb); if(Gg < Gb) std::swap(Gg, Gb); if(Br < Bg) std::swap(Br, Bg); if(Br < Bb) std::swap(Br, Bb); if(Bg < Bb) std::swap(Bg, Bb); R = (((4 * Rr + 2 * Rg + Rb) * 160) >> 14) + 32; G = (((4 * Gr + 2 * Gg + Gb) * 160) >> 14) + 32; B = (((4 * Br + 2 * Bg + Bb) * 160) >> 14) + 32; R = image::normalize(R, 8, 16); G = image::normalize(G, 8, 16); B = image::normalize(B, 8, 16); palette[color] = interface->videoColor(color, 0, R, G, B); continue; } palette[color] = 0; } } Video::Video() { palette = new uint32_t[1 << 15](); } Video::~Video() { delete[] palette; } const uint8 Video::curve[32] = { 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1c, 0x20, 0x28, 0x38, 0x38, 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x80, 0x88, 0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0, }; }