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fix gl crash

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This commit is contained in:
David Rose 2005-07-18 23:18:49 +00:00
parent 9e75c3dfd9
commit 0bfd8ed6f9
1 changed files with 20 additions and 0 deletions
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20
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -1866,6 +1866,16 @@ release_vertex_buffer(VertexBufferContext *vbc) {
GLCAT.debug() GLCAT.debug()
<< "deleting vertex buffer " << gvbc->_index << "\n"; << "deleting vertex buffer " << gvbc->_index << "\n";
} }
// Make sure the buffer is unbound before we delete it. Not
// strictly necessary according to the OpenGL spec, but it might
// help out a flaky driver, and we need to keep our internal state
// consistent anyway.
if (_current_vbuffer_index == gvbc->_index) {
_glBindBuffer(GL_ARRAY_BUFFER, 0);
_current_vbuffer_index = 0;
}
_glDeleteBuffers(1, &gvbc->_index); _glDeleteBuffers(1, &gvbc->_index);
report_my_gl_errors(); report_my_gl_errors();
@ -2011,6 +2021,16 @@ release_index_buffer(IndexBufferContext *ibc) {
GLCAT.debug() GLCAT.debug()
<< "deleting index buffer " << gibc->_index << "\n"; << "deleting index buffer " << gibc->_index << "\n";
} }
// Make sure the buffer is unbound before we delete it. Not
// strictly necessary according to the OpenGL spec, but it might
// help out a flaky driver, and we need to keep our internal state
// consistent anyway.
if (_current_ibuffer_index == gibc->_index) {
_glBindBuffer(GL_ARRAY_BUFFER, 0);
_current_ibuffer_index = 0;
}
_glDeleteBuffers(1, &gibc->_index); _glDeleteBuffers(1, &gibc->_index);
report_my_gl_errors(); report_my_gl_errors();