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Enforce 32 pixel alignment for Adreno 200

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Simon Wilson 2009-08-21 19:19:39 -07:00 committed by Mathias Agopian
parent 173ba48dd3
commit 95b0dca41e
1 changed files with 10 additions and 12 deletions
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22
gralloc.cpp
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@ -346,26 +346,26 @@ static int gralloc_alloc(alloc_device_t* dev,
if (!pHandle || !pStride)
return -EINVAL;
size_t size, stride;
size_t size, alignedw, alignedh;
if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP ||
format == HAL_PIXEL_FORMAT_YCbCr_422_SP)
{
// FIXME: there is no way to return the vstride
int vstride;
stride = (w + 1) & ~1;
// FIXME: there is no way to return the alignedh
alignedw = (w + 1) & ~1;
switch (format) {
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
size = stride * h * 2;
size = alignedw * h * 2;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
vstride = (h+1) & ~1;
size = (stride * vstride) + (w/2 * h/2) * 2;
alignedh = (h+1) & ~1;
size = (alignedw * alignedh) + (w/2 * h/2) * 2;
break;
default:
return -EINVAL;
}
} else {
int align = 4;
alignedw = (w + 31) & ~31;
alignedh = (h + 31) & ~31;
int bpp = 0;
switch (format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
@ -384,9 +384,7 @@ static int gralloc_alloc(alloc_device_t* dev,
default:
return -EINVAL;
}
size_t bpr = (w*bpp + (align-1)) & ~(align-1);
size = bpr * h;
stride = bpr / bpp;
size = alignedw * alignedh * bpp;
}
int err;
@ -400,7 +398,7 @@ static int gralloc_alloc(alloc_device_t* dev,
return err;
}
*pStride = stride;
*pStride = alignedw;
return 0;
}