mirror of https://github.com/bsnes-emu/bsnes.git
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
Video video;
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Video::Video() {
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output = new uint32[240 * 160];
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paletteLiteral = new uint32[1 << 15];
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paletteStandard = new uint32[1 << 15];
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paletteEmulation = new uint32[1 << 15];
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}
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auto Video::power() -> void {
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memory::fill(output(), 240 * 160 * sizeof(uint32));
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for(auto color : range(1 << 15)) {
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paletteLiteral[color] = color;
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uint B = (uint5)(color >> 10);
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uint G = (uint5)(color >> 5);
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uint R = (uint5)(color >> 0);
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uint b = image::normalize(B, 5, 16);
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uint g = image::normalize(G, 5, 16);
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uint r = image::normalize(R, 5, 16);
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paletteStandard[color] = interface->videoColor(r, g, b);
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double lcdGamma = 4.0, outGamma = 2.2;
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double lb = pow(B / 31.0, lcdGamma);
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double lg = pow(G / 31.0, lcdGamma);
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double lr = pow(R / 31.0, lcdGamma);
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b = pow((220 * lb + 10 * lg + 50 * lr) / 255, 1 / outGamma) * (0xffff * 255 / 280);
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g = pow(( 30 * lb + 230 * lg + 10 * lr) / 255, 1 / outGamma) * (0xffff * 255 / 280);
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r = pow(( 0 * lb + 50 * lg + 255 * lr) / 255, 1 / outGamma) * (0xffff * 255 / 280);
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paletteEmulation[color] = interface->videoColor(r, g, b);
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}
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}
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auto Video::refresh() -> void {
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auto output = this->output();
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auto& palette = settings.colorEmulation ? paletteEmulation : paletteStandard;
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for(uint y = 0; y < 160; y++) {
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auto source = ppu.output + y * 240;
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auto target = output + y * 240;
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if(settings.blurEmulation) {
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for(uint x = 0; x < 240; x++) {
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auto a = palette[*source++];
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auto b = *target;
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*target++ = (a + b - ((a ^ b) & 0x01010101)) >> 1;
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}
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} else {
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for(uint x = 0; x < 240; x++) {
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auto color = palette[*source++];
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*target++ = color;
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}
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}
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}
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interface->videoRefresh(output, 240 * sizeof(uint32), 240, 160);
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}
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