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mesa: check for null ptr in _mesa_is_bufferobj()

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This simplifies a few callers.  And it adds a bit of robustness.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This commit is contained in:
Brian Paul
2011-11-23 15:33:46 -07:00
parent 37bf720da4
commit 56b870e441
3 changed files with 9 additions and 9 deletions
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6
src/mesa/main/bufferobj.c
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@@ -1286,14 +1286,14 @@ _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
ASSERT_OUTSIDE_BEGIN_END(ctx);
src = get_buffer(ctx, readTarget);
if (!src || !_mesa_is_bufferobj(src)) {
if (!_mesa_is_bufferobj(src)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glCopyBuffserSubData(readTarget = 0x%x)", readTarget);
return;
}
dst = get_buffer(ctx, writeTarget);
if (!dst || !_mesa_is_bufferobj(dst)) {
if (!_mesa_is_bufferobj(dst)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glCopyBuffserSubData(writeTarget = 0x%x)", writeTarget);
return;
@@ -1421,7 +1421,7 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
}
bufObj = get_buffer(ctx, target);
if (!bufObj || !_mesa_is_bufferobj(bufObj)) {
if (!_mesa_is_bufferobj(bufObj)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glMapBufferRange(target = 0x%x)", target);
return NULL;