From the GL_ARB_copy_buffer spec:
"An INVALID_VALUE error is generated if any of readoffset, writeoffset,
or size are negative [...]"
Fixes oglconform's copybuffer/negative.CNNegativeValues test.
NOTE: This is a candidate for stable release branches.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
return;
}
+ if (size < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyBufferSubData(writeOffset = %d)", (int) size);
+ return;
+ }
+
if (readOffset + size > src->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyBufferSubData(readOffset + size = %d)",