android/android_hardware_qcom_display
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Add support for allocating YUV formats

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Currently they're all allocated in pmem, instead of pmem_adsp.

Change-Id: Ief367a64667dc0b67fdeabeabbf9f201082d6ad2
This commit is contained in:
Mathias Agopian 2010-06-16 14:27:27 -07:00
parent 3c14f08a66
commit ce184f8dbc
1 changed files with 31 additions and 7 deletions
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38
gralloc.cpp
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@ -338,6 +338,10 @@ try_ashmem:
/*****************************************************************************/
static inline size_t ALIGN(size_t x, size_t align) {
return (x + align-1) & (align-1);
}
static int gralloc_alloc(alloc_device_t* dev,
int w, int h, int format, int usage,
buffer_handle_t* pHandle, int* pStride)
@ -347,27 +351,47 @@ static int gralloc_alloc(alloc_device_t* dev,
size_t size, alignedw, alignedh;
alignedw = (w + 31) & ~31;
alignedh = (h + 31) & ~31;
int bpp = 0;
alignedw = ALIGN(w, 32);
alignedh = ALIGN(h, 32);
switch (format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
bpp = 4;
size = alignedw * alignedh * 4;
break;
case HAL_PIXEL_FORMAT_RGB_888:
bpp = 3;
size = alignedw * alignedh * 3;
break;
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
bpp = 2;
size = alignedw * alignedh * 2;
break;
// adreno formats
case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21
size = ALIGN(alignedw*alignedh, 4096);
size += ALIGN(2 * ALIGN(w/2, 32) * ALIGN(h/2, 32), 4096);
break;
case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUYV
case HAL_PIXEL_FORMAT_CbYCrY_422_I: // UYVY
size = ALIGN(alignedw*alignedh*2, 4096);
break;
case HAL_PIXEL_FORMAT_YCrCb_422_P: // YV12
size = ALIGN(alignedw*alignedh, 4096);
size += ALIGN(2 * ALIGN(w/2, 32) * ALIGN(h, 32), 4096) * 2;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: // NV12
case HAL_PIXEL_FORMAT_YCrCb_420_SP_TILED: // NV21
// The chroma plane is subsampled,
// but the pitch in bytes is unchanged
size = ALIGN( ALIGN(w, 128) * alignedh, 4096);
size += ALIGN( ALIGN(w, 128) * ALIGN(h/2, 32), 4096);
break;
default:
return -EINVAL;
}
size = alignedw * alignedh * bpp;
if ((ssize_t)size <= 0)
return -EINVAL;