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gralloc: Add support for "RAW" and "BLOB" formats

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The allocation is done as specified in system/graphics.h
Raw formats are 16 bit and aligned to 32 bytes, blob formats have
a height of 1 and the size of the buffer is equal to the width.

Change-Id: If762a34dde3b78f138689ced1077c9529020ebf0
This commit is contained in:
Naseer Ahmed
2013-04-17 20:23:53 -04:00
parent dd9e75b665
commit 7669daee42
1 changed files with 15 additions and 0 deletions
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15
libgralloc/alloc_controller.cpp
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@@ -132,6 +132,7 @@ int AdrenoMemInfo::getStride(int width, int format)
switch (format)
{
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
case HAL_PIXEL_FORMAT_RAW_SENSOR:
stride = ALIGN(width, 32);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
@@ -148,6 +149,9 @@ int AdrenoMemInfo::getStride(int width, int format)
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, width);
break;
case HAL_PIXEL_FORMAT_BLOB:
stride = width;
break;
default: break;
}
}
@@ -267,6 +271,7 @@ size_t getBufferSizeAndDimensions(int width, int height, int format,
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
case HAL_PIXEL_FORMAT_RAW_SENSOR:
size = alignedw * alignedh * 2;
break;
@@ -317,6 +322,16 @@ size_t getBufferSizeAndDimensions(int width, int height, int format,
alignedh = VENUS_Y_SCANLINES(COLOR_FMT_NV12, height);
size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height);
break;
case HAL_PIXEL_FORMAT_BLOB:
if(height != 1) {
ALOGE("%s: Buffers with format HAL_PIXEL_FORMAT_BLOB \
must have height==1 ", __FUNCTION__);
return -EINVAL;
}
alignedh = height;
alignedw = width;
size = width;
break;
default:
ALOGE("unrecognized pixel format: 0x%x", format);
return -EINVAL;