CERBERUS/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty.git synced 2026-06-24 18:07:01 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

Fix incorrect line mapping when clearing screen using optimized code

Browse source
This commit is contained in:
Kovid Goyal 2024-01-20 09:29:50 +05:30
parent c6c0d0ed60
commit 49d664bb0d
No known key found for this signature in database
GPG key ID: 06BC317B515ACE7C
1 changed files with 9 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

16
kitty/line-buf.c
View file

@ -151,18 +151,20 @@ linebuf_clear_lines(LineBuf *self, const Cursor *cursor, index_type start, index
#if BLANK_CHAR != 0
#error This implementation is incorrect for BLANK_CHAR != 0
#endif
GPUCell *first_gpu_line = gpu_lineptr(self, start);
#define lineptr(which, i) which##_lineptr(self, self->line_map[i])
GPUCell *first_gpu_line = lineptr(gpu, start);
GPUCell gc = cursor_as_gpu_cell(cursor);
for (index_type i = 0; i < self->xnum; i++) memcpy(first_gpu_line + i, &gc, sizeof(gc));
const size_t cpu_stride = sizeof(self->cpu_cell_buf[0]) * self->xnum;
memset(cpu_lineptr(self, start), 0, cpu_stride);
const size_t gpu_stride = sizeof(self->gpu_cell_buf[0]) * self->xnum;
for (index_type i = 0; i < self->xnum; i++) memcpy(first_gpu_line + i, &gc, sizeof(GPUCell));
const size_t cpu_stride = sizeof(CPUCell) * self->xnum;
memset(lineptr(cpu, start), 0, cpu_stride);
const size_t gpu_stride = sizeof(GPUCell) * self->xnum;
linebuf_clear_attrs_and_dirty(self, start);
for (index_type i = start + 1; i < end; i++) {
memset(cpu_lineptr(self, i), 0, cpu_stride);
memcpy(gpu_lineptr(self, i), first_gpu_line, gpu_stride);
memset(lineptr(cpu, i), 0, cpu_stride);
memcpy(lineptr(gpu, i), first_gpu_line, gpu_stride);
linebuf_clear_attrs_and_dirty(self, i);
}
#undef lineptr
}
static PyObject*