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Use key frames for performance

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This commit is contained in:
Kovid Goyal 2021-02-04 16:20:30 +05:30
parent cf3a01f502
commit 450e1c2f95
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 22 additions and 1 deletions
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23
kitty/graphics.c
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@ -1060,7 +1060,28 @@ handle_animation_frame_load_command(GraphicsManager *self, GraphicsCommand *g, I
img->extra_framecnt--;
ABRT("EINVAL", "No frame with number: %u found", g->_other_frame_number);
}
transmitted_frame.base_frame_id = other_frame->id;
if (other_frame->base_frame_id) {
// since the frame this frame refers to refers to yet another frame, make
// this a fully coalesced key frame, for performance
CoalescedFrameData cfd = get_coalesced_frame_data(self, img, other_frame);
if (!cfd.buf) ABRT("EINVAL", "Failed to get data from frame referenced by frame: %u", frame_number);
ComposeData d = {
.over_px_sz = transmitted_frame.is_opaque ? 3 : 4, .under_px_sz = cfd.is_opaque ? 3: 4,
.over_width = transmitted_frame.width, .over_height = transmitted_frame.height,
.over_offset_x = transmitted_frame.x, .over_offset_y = transmitted_frame.y,
.under_width = img->width, .under_height = img->height,
.needs_blending = transmitted_frame.alpha_blend && !transmitted_frame.is_opaque
};
compose(d, cfd.buf, load_data->data);
free_load_data(load_data);
load_data->data = cfd.buf; load_data->data_sz = img->width * img->height * d.under_px_sz;
transmitted_frame.width = img->width; transmitted_frame.height = img->height;
transmitted_frame.x = 0; transmitted_frame.y = 0;
transmitted_frame.is_4byte_aligned = cfd.is_4byte_aligned;
transmitted_frame.is_opaque = cfd.is_opaque;
} else {
transmitted_frame.base_frame_id = other_frame->id;
}
}
*frame = transmitted_frame;
if (!add_to_cache(self, key, load_data->data, load_data->data_sz)) {