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screencopy: fix glReadPixels offset

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fixes #4042
This commit is contained in:
Vaxry 2023-12-05 20:04:53 +00:00
parent 37d7a8c64d
commit ab66fa430e
1 changed files with 3 additions and 3 deletions
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6
src/protocols/Screencopy.cpp
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@ -481,11 +481,11 @@ bool CScreencopyProtocolManager::copyFrameShm(SScreencopyFrame* frame, timespec*
uint32_t packStride = pixel_format_info_min_stride(drmFmtWlr, frame->box.w);
if (packStride == stride) {
glReadPixels(frame->box.x, frame->box.y, frame->box.w, frame->box.h, PFORMAT->glFormat, PFORMAT->glType, data);
glReadPixels(0, 0, frame->box.w, frame->box.h, PFORMAT->glFormat, PFORMAT->glType, data);
} else {
for (size_t i = 0; i < frame->box.h; ++i) {
uint32_t y = frame->box.x + i;
glReadPixels(frame->box.x, y, frame->box.w, 1, PFORMAT->glFormat, PFORMAT->glType, ((unsigned char*)data) + i * stride);
uint32_t y = i;
glReadPixels(0, y, frame->box.w, 1, PFORMAT->glFormat, PFORMAT->glType, ((unsigned char*)data) + i * stride);
}
}