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Ensure ctypes data type sizes match GL sizes

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Kovid Goyal
2016-11-28 15:17:58 +05:30
parent b3550391e9
commit cfca4cd0bf
3 changed files with 20 additions and 11 deletions
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16
kitty/borders.py
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@@ -2,9 +2,9 @@
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
import ctypes
from ctypes import addressof
from .constants import viewport_size
from .constants import viewport_size, GLfloat, GLint, GLuint
from .fast_data_types import glUniform3fv, GL_TRIANGLE_FAN, glMultiDrawArrays
from .layout import available_height
from .utils import get_dpi
@@ -53,7 +53,7 @@ void main() {
self.send_vertex_data('rect', data)
def set_colors(self, color_buf):
glUniform3fv(self.uniform_location('colors'), 3, ctypes.addressof(color_buf))
glUniform3fv(self.uniform_location('colors'), 3, addressof(color_buf))
class Borders:
@@ -64,7 +64,7 @@ class Borders:
dpix, dpiy = get_dpi()['logical']
dpi = (dpix + dpiy) / 2
self.border_width = round(opts.window_border_width * dpi / 72)
self.color_buf = (ctypes.c_float * 9)(
self.color_buf = (GLfloat * 9)(
*as_color(opts.background),
*as_color(opts.active_border_color),
*as_color(opts.inactive_border_color)
@@ -102,9 +102,9 @@ class Borders:
rects.extend(as_rect(g.right, g.top - bw, g.right + bw, g.bottom + bw, color))
rects.extend(as_rect(g.left - bw, g.bottom, g.right + bw, g.bottom + bw, color))
self.num_of_rects = len(rects) // 12
self.rects = (ctypes.c_float * len(rects))()
self.starts = (ctypes.c_int * self.num_of_rects)()
self.counts = (ctypes.c_uint * self.num_of_rects)()
self.rects = (GLfloat * len(rects))()
self.starts = (GLint * self.num_of_rects)()
self.counts = (GLuint * self.num_of_rects)()
for i, x in enumerate(rects):
self.rects[i] = x
if i % 12 == 0:
@@ -120,4 +120,4 @@ class Borders:
program.send_data(self.rects)
program.set_colors(self.color_buf)
self.is_dirty = False
glMultiDrawArrays(GL_TRIANGLE_FAN, ctypes.addressof(self.starts), ctypes.addressof(self.counts), self.num_of_rects)
glMultiDrawArrays(GL_TRIANGLE_FAN, addressof(self.starts), addressof(self.counts), self.num_of_rects)