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mesa: simplify error check in _mesa_MapBufferRange()

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This commit is contained in:
Brian Paul
2011-05-18 08:14:32 -06:00
parent 496bf04905
commit 707eadcb7f
1 changed files with 7 additions and 8 deletions
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15
src/mesa/main/bufferobj.c
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@@ -1416,14 +1416,13 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
return NULL;
}
if (access & GL_MAP_READ_BIT) {
if ((access & GL_MAP_INVALIDATE_RANGE_BIT) ||
(access & GL_MAP_INVALIDATE_BUFFER_BIT) ||
(access & GL_MAP_UNSYNCHRONIZED_BIT)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(invalid access flags)");
return NULL;
}
if ((access & GL_MAP_READ_BIT) &&
(access & (GL_MAP_INVALIDATE_RANGE_BIT |
GL_MAP_INVALIDATE_BUFFER_BIT |
GL_MAP_UNSYNCHRONIZED_BIT))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glMapBufferRange(invalid access flags)");
return NULL;
}
if ((access & GL_MAP_FLUSH_EXPLICIT_BIT) &&