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gralloc: Support camera and video encoder flags

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- Set private flags for these formats so that the camera HAL
can differentiate between the allocated buffers.
- Usage flags define format

Change-Id: Ib3cfad12ab2ba79662207609138633769b1504e6
This commit is contained in:
Naseer Ahmed
2012-08-21 17:03:27 -04:00
committed by Iliyan Malchev
parent 3be78d9816
commit 59802500bc
3 changed files with 30 additions and 9 deletions
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35
libgralloc/gpu.cpp
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@@ -152,6 +152,18 @@ int gpu_context_t::gralloc_alloc_buffer(size_t size, int usage,
}
}
if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
}
if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
}
if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
}
if (err == 0) {
flags |= data.allocType;
private_handle_t* hnd = new private_handle_t(data.fd, size, flags,
@@ -168,19 +180,15 @@ int gpu_context_t::gralloc_alloc_buffer(size_t size, int usage,
}
void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
int *colorFormat,
int *bufferType)
{
*bufferType = BUFFER_TYPE_VIDEO;
*colorFormat = inputFormat;
if (inputFormat < 0x7) {
// RGB formats
*colorFormat = inputFormat;
*bufferType = BUFFER_TYPE_UI;
} else if ((inputFormat == HAL_PIXEL_FORMAT_R_8) ||
(inputFormat == HAL_PIXEL_FORMAT_RG_88)) {
*colorFormat = inputFormat;
*bufferType = BUFFER_TYPE_UI;
}
}
@@ -193,9 +201,20 @@ int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
size_t size;
int alignedw, alignedh;
int colorFormat, bufferType;
getGrallocInformationFromFormat(format, &colorFormat, &bufferType);
size = getBufferSizeAndDimensions(w, h, colorFormat, alignedw, alignedh);
int grallocFormat = format;
int bufferType;
getGrallocInformationFromFormat(format, &bufferType);
//XXX: This should only be done if format is
// HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER)
grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP; //NV12
if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE)
grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
size = getBufferSizeAndDimensions(w, h, grallocFormat, alignedw, alignedh);
if ((ssize_t)size <= 0)
return -EINVAL;
@@ -213,7 +232,7 @@ int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
err = gralloc_alloc_framebuffer(size, usage, pHandle);
} else {
err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
format, alignedw, alignedh);
grallocFormat, alignedw, alignedh);
}
if (err < 0) {