hyprwm/hyprpicker
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core: support conversions from 10-bit formats

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Fixes #16

Authored-by: niki-on-github <arch@local>
This commit is contained in:
Vaxry 2023-10-28 17:31:18 +01:00
parent 94010d6b9a
commit 8a7799ae20
1 changed files with 21 additions and 0 deletions
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21
src/hyprpicker.cpp
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@ -234,6 +234,27 @@ void CHyprpicker::convertBuffer(SPoolBuffer* pBuffer) {
} }
} }
} break; } break;
case WL_SHM_FORMAT_XRGB2101010:
case WL_SHM_FORMAT_XBGR2101010: {
uint8_t* data = (uint8_t*)pBuffer->data;
const bool FLIP = pBuffer->format == WL_SHM_FORMAT_XBGR2101010;
for (int y = 0; y < pBuffer->pixelSize.y; ++y) {
for (int x = 0; x < pBuffer->pixelSize.x; ++x) {
uint32_t * px = (uint32_t*) (data + y * (int)pBuffer->pixelSize.x * 4 + x * 4);
// conv to 8 bit
uint8_t R = (uint8_t)std::round((255.0 * (((*px) & 0b00000000000000000000001111111111) >> 0) / 1023.0));
uint8_t G = (uint8_t)std::round((255.0 * (((*px) & 0b00000000000011111111110000000000) >> 10) / 1023.0));
uint8_t B = (uint8_t)std::round((255.0 * (((*px) & 0b00111111111100000000000000000000) >> 20) / 1023.0));
uint8_t A = (uint8_t)std::round((255.0 * (((*px) & 0b11000000000000000000000000000000) >> 30) / 3.0));
// write 8-bit values
*px = ((FLIP ? B : R) << 0) + (G << 8) + ((FLIP ? R : B) << 16) + (A << 24);
}
}
} break;
default: { default: {
Debug::log(CRIT, "Unsupported format %i", pBuffer->format); Debug::log(CRIT, "Unsupported format %i", pBuffer->format);
} }