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glgsg: unbind buffers after draw callback

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Some libraries (eg. Kivy) leave their buffers bound, so this takes care of that.
This commit is contained in:
rdb 2018-11-25 15:26:12 +01:00
parent 7c0a77af78
commit 272f13023e
1 changed files with 14 additions and 0 deletions
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14
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -10692,6 +10692,20 @@ reissue_transforms() {
memset(_vertex_attrib_columns, 0, sizeof(const GeomVertexColumn *) * 32);
#endif
// Some libraries (Kivy) leave their buffers bound. How clumsy of them.
if (_supports_buffers) {
_glBindBuffer(GL_ARRAY_BUFFER, 0);
_glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
_current_vbuffer_index = 0;
_current_ibuffer_index = 0;
}
#ifndef OPENGLES
if (_supports_glsl) {
_glDisableVertexAttribArray(0);
_glDisableVertexAttribArray(1);
}
#endif
// Since this is called by clear_state_and_transform(), we also should reset
// the states that won't automatically be respecified when clearing the
// state mask.