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Nicer error message if the ARB_copy_image extension is absent

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This commit is contained in:
Kovid Goyal 2016-10-27 17:14:07 +05:30
parent cc157f1b3e
commit 9df413d9be
1 changed files with 3 additions and 2 deletions
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5
kitty/shaders.py
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@ -6,6 +6,7 @@ from functools import lru_cache
from OpenGL.arrays import ArrayDatatype from OpenGL.arrays import ArrayDatatype
import OpenGL.GL as gl import OpenGL.GL as gl
from OpenGL.GL.ARB.copy_image import glCopyImageSubData # only present in opengl core >= 4.3
from .fonts import render_cell, cell_size from .fonts import render_cell, cell_size
@ -60,8 +61,8 @@ class Sprites:
ynum = self.ynum ynum = self.ynum
if self.z == 0: if self.z == 0:
ynum -= 1 # Only copy the previous rows ynum -= 1 # Only copy the previous rows
gl.glCopyImageSubData(self.texture_id, tgt, 0, 0, 0, 0, tex, tgt, 0, 0, 0, 0, glCopyImageSubData(self.texture_id, tgt, 0, 0, 0, 0, tex, tgt, 0, 0, 0, 0,
width, ynum * self.cell_height, self.last_num_of_layers) width, ynum * self.cell_height, self.last_num_of_layers)
gl.glDeleteTextures([self.texture_id]) gl.glDeleteTextures([self.texture_id])
self.last_num_of_layers = znum self.last_num_of_layers = znum
self.texture_id = tex self.texture_id = tex