José Fonseca wrote:
> On Tue, 2010-01-26 at 05:49 -0800, Roland Scheidegger wrote:
>> On 26.01.2010 09:18, Marvin wrote:
>>> Jose, Brian,
>>>
>>>> Marc,
>>>>
>>>> Why is this necessary? It has been working fine so far. Which gcc version
>>>> are you using? What commas are you referring to?
>>> the PIPE_ALIGN_TYPE macro is so far only used in the cell driver in
>>> src/gallium/drivers/cell/spu/spu_main.c (this is probably why no one
>>> noticed it).
>>>
>>> The marco takes a type, a stuct in this case, which can include commas:
>>>
>>> PIPE_ALIGN_TYPE(16,
>>> struct spu_framebuffer
>>> {
>>> void *color_start; /**< addr of color surface in main
>>> memory */
>>> void *depth_start; /**< addr of depth surface in main
>>> memory */
>>> enum pipe_format color_format;
>>> enum pipe_format depth_format;
>>> uint width, height; /**< size in pixels */
>>> ^^^
>>>
>>> uint width_tiles, height_tiles; /**< width and height in tiles */
>>> ^^^
>>>
>>> uint color_clear_value;
>>> uint depth_clear_value;
>>>
>>> uint zsize; /**< 0, 2 or 4 bytes per Z */
>>> float zscale; /**< 65535.0, 2^24-1 or 2^32-1 */
>>> });
>>>
>>> This will cause a problem, as the macro will thread each comma as an
>>> argument
>>> seperator and thus the number of arguments is larger than 2.
>> Hmm, maybe could just avoid the problem by not using commas in the
>> struct declaration?
>
> I agree with Roland. It seems the lesser evil.
>
> Marc, thanks for the detailed explanation.
I've fixed this in the Cell driver.
-Brian
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