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Avoid extra layer update if clearing images has no effect

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This commit is contained in:
Kovid Goyal 2020-08-07 09:36:28 +05:30
parent 4062365b19
commit c7eb63d4ff
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 28 additions and 13 deletions
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41
kitty/graphics.c
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@ -645,20 +645,32 @@ grman_update_layers(GraphicsManager *self, unsigned int scrolled_by, float scree
// Image lifetime/scrolling {{{
static inline void
filter_refs(GraphicsManager *self, const void* data, bool free_images, bool (*filter_func)(ImageRef*, Image*, const void*, CellPixelSize), CellPixelSize cell) {
if (self->image_count) self->layers_dirty = true;
filter_refs(GraphicsManager *self, const void* data, bool free_images, bool (*filter_func)(const ImageRef*, Image*, const void*, CellPixelSize), CellPixelSize cell) {
for (size_t i = self->image_count; i-- > 0;) {
Image *img = self->images + i;
for (size_t j = img->refcnt; j-- > 0;) {
ImageRef *ref = img->refs + j;
if (filter_func(ref, img, data, cell)) {
remove_i_from_array(img->refs, j, img->refcnt);
self->layers_dirty = true;
}
}
if (img->refcnt == 0 && (free_images || img->client_id == 0)) remove_image(self, i);
}
}
static inline void
modify_refs(GraphicsManager *self, const void* data, bool free_images, bool (*filter_func)(ImageRef*, Image*, const void*, CellPixelSize), CellPixelSize cell) {
for (size_t i = self->image_count; i-- > 0;) {
Image *img = self->images + i;
for (size_t j = img->refcnt; j-- > 0;) {
if (filter_func(img->refs + j, img, data, cell)) remove_i_from_array(img->refs, j, img->refcnt);
}
if (img->refcnt == 0 && (free_images || img->client_id == 0)) remove_image(self, i);
}
}
static inline bool
scroll_filter_func(ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
ScrollData *d = (ScrollData*)data;
@ -667,12 +679,12 @@ scroll_filter_func(ImageRef *ref, Image UNUSED *img, const void *data, CellPixel
}
static inline bool
ref_within_region(ImageRef *ref, index_type margin_top, index_type margin_bottom) {
ref_within_region(const ImageRef *ref, index_type margin_top, index_type margin_bottom) {
return ref->start_row >= (int32_t)margin_top && ref->start_row + ref->effective_num_rows <= margin_bottom;
}
static inline bool
ref_outside_region(ImageRef *ref, index_type margin_top, index_type margin_bottom) {
ref_outside_region(const ImageRef *ref, index_type margin_top, index_type margin_bottom) {
return ref->start_row + ref->effective_num_rows <= margin_top || ref->start_row > (int32_t)margin_bottom;
}
@ -709,16 +721,19 @@ scroll_filter_margins_func(ImageRef* ref, Image* img, const void* data, CellPixe
void
grman_scroll_images(GraphicsManager *self, const ScrollData *data, CellPixelSize cell) {
filter_refs(self, data, true, data->has_margins ? scroll_filter_margins_func : scroll_filter_func, cell);
if (self->image_count) {
self->layers_dirty = true;
modify_refs(self, data, true, data->has_margins ? scroll_filter_margins_func : scroll_filter_func, cell);
}
}
static inline bool
clear_filter_func(ImageRef *ref, Image UNUSED *img, const void UNUSED *data, CellPixelSize cell UNUSED) {
clear_filter_func(const ImageRef *ref, Image UNUSED *img, const void UNUSED *data, CellPixelSize cell UNUSED) {
return ref->start_row + (int32_t)ref->effective_num_rows > 0;
}
static inline bool
clear_all_filter_func(ImageRef *ref UNUSED, Image UNUSED *img, const void UNUSED *data, CellPixelSize cell UNUSED) {
clear_all_filter_func(const ImageRef *ref UNUSED, Image UNUSED *img, const void UNUSED *data, CellPixelSize cell UNUSED) {
return true;
}
@ -728,37 +743,37 @@ grman_clear(GraphicsManager *self, bool all, CellPixelSize cell) {
}
static inline bool
id_filter_func(ImageRef UNUSED *ref, Image *img, const void *data, CellPixelSize cell UNUSED) {
id_filter_func(const ImageRef UNUSED *ref, Image *img, const void *data, CellPixelSize cell UNUSED) {
uint32_t iid = *(uint32_t*)data;
return img->client_id == iid;
}
static inline bool
x_filter_func(ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
x_filter_func(const ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
const GraphicsCommand *g = data;
return ref->start_column <= (int32_t)g->x_offset - 1 && ((int32_t)g->x_offset - 1) < ((int32_t)(ref->start_column + ref->effective_num_cols));
}
static inline bool
y_filter_func(ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
y_filter_func(const ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
const GraphicsCommand *g = data;
return ref->start_row <= (int32_t)g->y_offset - 1 && ((int32_t)(g->y_offset - 1 < ref->start_row + ref->effective_num_rows));
}
static inline bool
z_filter_func(ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
z_filter_func(const ImageRef *ref, Image UNUSED *img, const void *data, CellPixelSize cell UNUSED) {
const GraphicsCommand *g = data;
return ref->z_index == g->z_index;
}
static inline bool
point_filter_func(ImageRef *ref, Image *img, const void *data, CellPixelSize cell) {
point_filter_func(const ImageRef *ref, Image *img, const void *data, CellPixelSize cell) {
return x_filter_func(ref, img, data, cell) && y_filter_func(ref, img, data, cell);
}
static inline bool
point3d_filter_func(ImageRef *ref, Image *img, const void *data, CellPixelSize cell) {
point3d_filter_func(const ImageRef *ref, Image *img, const void *data, CellPixelSize cell) {
return z_filter_func(ref, img, data, cell) && point_filter_func(ref, img, data, cell);
}