android_hardware_qcom_display/libgralloc/gpu.cpp
Naomi Luis 8994068ce6 libgralloc: Add HAL_PIXEL_FORMAT_NV12_ENCODEABLE format.
Add HAL_PIXEL_FORMAT_NV12_ENCODEABLE which is the encoder specific
format.
Remove unused OEM formats from the gralloc.

Change-Id: I787203cd96b597c881f0acc10b60ea2ab2ffe1ab
2011-12-04 15:23:50 -08:00

377 lines
12 KiB
C++
Executable File

/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (c) 2011 Code Aurora Forum. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <cutils/properties.h>
#include <sys/mman.h>
#include <genlock.h>
#include "gr.h"
#include "gpu.h"
#include "memalloc.h"
#include "alloc_controller.h"
using namespace gralloc;
using android::sp;
gpu_context_t::gpu_context_t(const private_module_t* module,
sp<IAllocController> alloc_ctrl ) :
mAllocCtrl(alloc_ctrl)
{
// Zero out the alloc_device_t
memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
char property[PROPERTY_VALUE_MAX];
if (property_get("debug.sf.hw", property, NULL) > 0) {
if(atoi(property) == 0) {
//debug.sf.hw = 0
compositionType = CPU_COMPOSITION;
} else { //debug.sf.hw = 1
// Get the composition type
property_get("debug.composition.type", property, NULL);
if (property == NULL) {
compositionType = GPU_COMPOSITION;
} else if ((strncmp(property, "mdp", 3)) == 0) {
compositionType = MDP_COMPOSITION;
} else if ((strncmp(property, "c2d", 3)) == 0) {
compositionType = C2D_COMPOSITION;
} else {
compositionType = GPU_COMPOSITION;
}
}
} else { //debug.sf.hw is not set. Use cpu composition
compositionType = CPU_COMPOSITION;
}
// Initialize the procs
common.tag = HARDWARE_DEVICE_TAG;
common.version = 0;
common.module = const_cast<hw_module_t*>(&module->base.common);
common.close = gralloc_close;
alloc = gralloc_alloc;
#if 0
allocSize = gralloc_alloc_size;
#endif
free = gralloc_free;
}
int gpu_context_t::gralloc_alloc_framebuffer_locked(size_t size, int usage,
buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
// we don't support allocations with both the FB and PMEM_ADSP flags
if (usage & GRALLOC_USAGE_PRIVATE_ADSP_HEAP) {
return -EINVAL;
}
if (m->framebuffer == NULL) {
LOGE("%s: Invalid framebuffer", __FUNCTION__);
return -EINVAL;
}
const uint32_t bufferMask = m->bufferMask;
const uint32_t numBuffers = m->numBuffers;
const size_t bufferSize = m->finfo.line_length * m->info.yres;
if (numBuffers == 1) {
// If we have only one buffer, we never use page-flipping. Instead,
// we return a regular buffer which will be memcpy'ed to the main
// screen when post is called.
int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
m->fbFormat, m->info.xres, m->info.yres);
}
if (bufferMask >= ((1LU<<numBuffers)-1)) {
// We ran out of buffers.
return -ENOMEM;
}
// create a "fake" handles for it
// Set the PMEM flag as well, since adreno
// treats the FB memory as pmem
intptr_t vaddr = intptr_t(m->framebuffer->base);
private_handle_t* hnd = new private_handle_t(dup(m->framebuffer->fd), bufferSize,
private_handle_t::PRIV_FLAGS_USES_PMEM |
private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
m->info.yres);
// find a free slot
for (uint32_t i=0 ; i<numBuffers ; i++) {
if ((bufferMask & (1LU<<i)) == 0) {
m->bufferMask |= (1LU<<i);
break;
}
vaddr += bufferSize;
}
hnd->base = vaddr;
hnd->offset = vaddr - intptr_t(m->framebuffer->base);
*pHandle = hnd;
return 0;
}
int gpu_context_t::gralloc_alloc_framebuffer(size_t size, int usage,
buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
pthread_mutex_lock(&m->lock);
int err = gralloc_alloc_framebuffer_locked(size, usage, pHandle);
pthread_mutex_unlock(&m->lock);
return err;
}
int gpu_context_t::gralloc_alloc_buffer(size_t size, int usage,
buffer_handle_t* pHandle, int bufferType,
int format, int width, int height)
{
int err = 0;
int flags = 0;
size = roundUpToPageSize(size);
alloc_data data;
data.offset = 0;
data.fd = -1;
data.base = 0;
data.size = size;
if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
data.align = 8192;
else
data.align = getpagesize();
data.pHandle = (unsigned int) pHandle;
err = mAllocCtrl->allocate(data, usage, compositionType);
if (err == 0) {
flags |= data.allocType;
private_handle_t* hnd = new private_handle_t(data.fd, size, flags,
bufferType, format, width, height);
hnd->offset = data.offset;
hnd->base = int(data.base) + data.offset;
*pHandle = hnd;
}
LOGE_IF(err, "gralloc failed err=%s", strerror(-err));
return err;
}
static inline size_t ALIGN(size_t x, size_t align) {
return (x + align-1) & ~(align-1);
}
void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
int *colorFormat,
int *bufferType)
{
*bufferType = BUFFER_TYPE_VIDEO;
*colorFormat = inputFormat;
if (inputFormat == HAL_PIXEL_FORMAT_YV12) {
*bufferType = BUFFER_TYPE_VIDEO;
} else if (inputFormat & S3D_FORMAT_MASK) {
// S3D format
*colorFormat = COLOR_FORMAT(inputFormat);
} else if (inputFormat & INTERLACE_MASK) {
// Interlaced
*colorFormat = inputFormat ^ HAL_PIXEL_FORMAT_INTERLACE;
} else 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;
}
}
int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
buffer_handle_t* pHandle, int* pStride, size_t bufferSize) {
if (!pHandle || !pStride)
return -EINVAL;
size_t size, alignedw, alignedh;
alignedw = ALIGN(w, 32);
alignedh = ALIGN(h, 32);
int colorFormat, bufferType;
getGrallocInformationFromFormat(format, &colorFormat, &bufferType);
switch (colorFormat) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
size = alignedw * alignedh * 4;
break;
case HAL_PIXEL_FORMAT_RGB_888:
size = alignedw * alignedh * 3;
break;
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
size = alignedw * alignedh * 2;
break;
// adreno formats
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO: // NV21
size = ALIGN(alignedw*alignedh, 4096);
size += ALIGN(2 * ALIGN(w/2, 32) * ALIGN(h/2, 32), 4096);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: // NV12
// The chroma plane is subsampled,
// but the pitch in bytes is unchanged
// The GPU needs 4K alignment, but the video decoder needs 8K
alignedw = ALIGN(w, 128);
size = ALIGN( alignedw * alignedh, 8192);
size += ALIGN( alignedw * ALIGN(h/2, 32), 8192);
break;
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YV12:
if ((w&1) || (h&1)) {
LOGE("w or h is odd for the YUV format");
return -EINVAL;
}
alignedw = ALIGN(w, 16);
alignedh = h;
if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == colorFormat) {
// The encoder requires a 2K aligned chroma offset.
size = ALIGN(alignedw*alignedh, 2048) +
(ALIGN(alignedw/2, 16) * (alignedh/2))*2;
} else {
size = alignedw*alignedh +
(ALIGN(alignedw/2, 16) * (alignedh/2))*2;
}
size = ALIGN(size, 4096);
break;
default:
LOGE("unrecognized pixel format: %d", format);
return -EINVAL;
}
if ((ssize_t)size <= 0)
return -EINVAL;
size = (bufferSize >= size)? bufferSize : size;
// All buffers marked as protected or for external
// display need to go to overlay
if ((usage & GRALLOC_USAGE_EXTERNAL_DISP) ||
(usage & GRALLOC_USAGE_PROTECTED)) {
bufferType = BUFFER_TYPE_VIDEO;
}
int err;
if (usage & GRALLOC_USAGE_HW_FB) {
err = gralloc_alloc_framebuffer(size, usage, pHandle);
} else {
err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
format, alignedw, alignedh);
}
if (err < 0) {
return err;
}
// Create a genlock lock for this buffer handle.
err = genlock_create_lock((native_handle_t*)(*pHandle));
if (err) {
LOGE("%s: genlock_create_lock failed", __FUNCTION__);
free_impl(reinterpret_cast<private_handle_t*>(pHandle));
return err;
}
*pStride = alignedw;
return 0;
}
int gpu_context_t::free_impl(private_handle_t const* hnd) {
private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
// free this buffer
const size_t bufferSize = m->finfo.line_length * m->info.yres;
int index = (hnd->base - m->framebuffer->base) / bufferSize;
m->bufferMask &= ~(1<<index);
} else {
sp<IMemAlloc> memalloc = mAllocCtrl->getAllocator(hnd->flags);
int err = memalloc->free_buffer((void*)hnd->base, (size_t) hnd->size,
hnd->offset, hnd->fd);
if(err)
return err;
terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
}
// Release the genlock
int err = genlock_release_lock((native_handle_t*)hnd);
if (err) {
LOGE("%s: genlock_release_lock failed", __FUNCTION__);
}
delete hnd;
return 0;
}
int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
int usage, buffer_handle_t* pHandle, int* pStride)
{
if (!dev) {
return -EINVAL;
}
gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
}
int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h, int format,
int usage, buffer_handle_t* pHandle, int* pStride, int bufferSize)
{
if (!dev) {
return -EINVAL;
}
gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
}
int gpu_context_t::gralloc_free(alloc_device_t* dev,
buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
return gpu->free_impl(hnd);
}
/*****************************************************************************/
int gpu_context_t::gralloc_close(struct hw_device_t *dev)
{
gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
if (ctx) {
/* TODO: keep a list of all buffer_handle_t created, and free them
* all here.
*/
delete ctx;
}
return 0;
}