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_PMEM_ADSP) {
return -EINVAL;
}
// allocate the framebuffer
if (m->framebuffer == NULL) {
// initialize the framebuffer, the framebuffer is mapped once
// and forever.
int err = deps.mapFrameBufferLocked(m);
if (err < 0) {
return err;
}
}
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
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;
}
static int gralloc_alloc_framebuffer_locked(alloc_device_t* dev, size_t size, int usage, buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
// allocate the framebuffer
if (m->framebuffer == NULL)
{
// initialize the framebuffer, the framebuffer is mapped once and forever.
int err = init_frame_buffer_locked(m);
if (err < 0)
{
return err;
}
}
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;
LOGE("fallback to single buffering");
return gralloc_alloc_buffer(dev, bufferSize, newUsage, pHandle);
}
if (bufferMask >= ((1LU<<numBuffers)-1))
{
// We ran out of buffers.
return -ENOMEM;
}
int vaddr = m->framebuffer->base;
// find a free slot
for (uint32_t i=0 ; i<numBuffers ; i++)
{
if ((bufferMask & (1LU<<i)) == 0)
{
m->bufferMask |= (1LU<<i);
break;
}
vaddr += bufferSize;
}
// The entire framebuffer memory is already mapped, now create a buffer object for parts of this memory
private_handle_t* hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_FRAMEBUFFER, size, vaddr,
0, dup(m->framebuffer->fd), vaddr - m->framebuffer->base);
*pHandle = hnd;
return 0;
}
int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
buffer_handle_t* pHandle, int* pStride) {
if (!pHandle || !pStride)
return -EINVAL;
size_t size, alignedw, alignedh;
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:
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), 4096);
break;
case HAL_PIXEL_FORMAT_YV12:
if ((w&1) || (h&1)) {
LOGE("w or h is odd for HAL_PIXEL_FORMAT_YV12");
return -EINVAL;
}
alignedw = ALIGN(w, 16);
alignedh = h;
size = alignedw*alignedh +
(ALIGN(alignedw/2, 16) * (alignedh/2))*2;
break;
default:
LOGE("unrecognized pixel format: %d", format);
return -EINVAL;
}
if ((ssize_t)size <= 0)
return -EINVAL;
int err;
if (usage & GRALLOC_USAGE_HW_FB) {
err = gralloc_alloc_framebuffer(size, usage, pHandle);
} else {
err = gralloc_alloc_buffer(size, usage, pHandle);
}
if (err < 0) {
return err;
}
*pStride = alignedw;
return 0;
}
static int alloc_device_alloc(alloc_device_t* dev, int w, int h, int format, int usage, buffer_handle_t* pHandle, int* pStride)
{
if (!pHandle || !pStride)
{
return -EINVAL;
}
size_t size;
size_t stride;
if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP ||
format == HAL_PIXEL_FORMAT_YCbCr_422_SP ||
format == HAL_PIXEL_FORMAT_YV12 )
{
int vstride;
switch (format)
{
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
stride = (w + 1) & ~1;
size = stride * h * 2;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
stride = (w + 1) & ~1;
vstride = (h+1) & ~1;
size = (stride * vstride) + (w/2 * h/2) * 2;
break;
case HAL_PIXEL_FORMAT_YV12:
stride = (w + 15) & ~15;
size = h * (stride + stride/2);
break;
default:
return -EINVAL;
}
}
else
{
int align = 8;
int bpp = 0;
switch (format)
{
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
bpp = 4;
break;
case HAL_PIXEL_FORMAT_RGB_888:
bpp = 3;
break;
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
bpp = 2;
break;
default:
return -EINVAL;
}
size_t bpr = (w*bpp + (align-1)) & ~(align-1);
size = bpr * h;
stride = bpr / bpp;
}
int err;
if (usage & GRALLOC_USAGE_HW_FB)
{
err = gralloc_alloc_framebuffer(dev, size, usage, pHandle);
}
else
{
err = gralloc_alloc_buffer(dev, size, usage, pHandle);
}
if (err < 0)
{
return err;
}
*pStride = stride;
return 0;
}
static int alloc_device_alloc(alloc_device_t *dev, int w, int h, int format, int usage, buffer_handle_t *pHandle, int *pStride)
{
if (!pHandle || !pStride)
{
return -EINVAL;
}
size_t size;
size_t stride;
if (format == HAL_PIXEL_FORMAT_YCrCb_420_SP || format == HAL_PIXEL_FORMAT_YV12)
{
switch (format)
{
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
stride = GRALLOC_ALIGN(w, 16);
if (usage & GRALLOC_USAGE_PRIVATE_1){
/************************************************************
*
* height is 16bytes aligned for encode canvas read
*
* with 16bytes align. width is 32bytes aligned for
*
* ge2d working with 256bit once that is 32bytes
*
************************************************************/
size = GRALLOC_ALIGN(h, 16) * (GRALLOC_ALIGN(w, 32) + GRALLOC_ALIGN(stride/2,16));
}else {
size = h * (stride + GRALLOC_ALIGN(stride/2,16));
}
break;
case HAL_PIXEL_FORMAT_YV12:
stride = GRALLOC_ALIGN(w, 16);
if (usage & GRALLOC_USAGE_PRIVATE_1){
/************************************************************
*
* height is 16bytes aligned for encode canvas read
*
* with 16bytes align. width is 32bytes aligned for
*
* ge2d working with 256bit once that is 32bytes
*
************************************************************/
size = GRALLOC_ALIGN(h, 16) * (GRALLOC_ALIGN(w, 64) + GRALLOC_ALIGN(stride/2,32));
}else {
size = h * (stride + GRALLOC_ALIGN(stride/2,16));
}
break;
default:
return -EINVAL;
}
}
else
{
int bpp = 0;
switch (format)
{
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
bpp = 4;
break;
case HAL_PIXEL_FORMAT_RGB_888:
bpp = 3;
break;
case HAL_PIXEL_FORMAT_RGB_565:
bpp = 2;
break;
default:
return -EINVAL;
}
size_t bpr = GRALLOC_ALIGN(w * bpp, 64);
size = bpr * h;
stride = bpr / bpp;
}
int err;
#ifndef MALI_600
if (usage & GRALLOC_USAGE_HW_FB)
{
err = gralloc_alloc_framebuffer(dev, size, usage, pHandle);
}
else
#endif
{
err = gralloc_alloc_buffer(dev, size, usage, pHandle);
if (err < 0)
{
return err;
}
private_handle_t* hnd = (private_handle_t*)(*pHandle);
hnd->format = format;
}
*pStride = stride;
return 0;
}
static int gralloc_alloc_framebuffer_locked(alloc_device_t *dev, size_t size, int usage, buffer_handle_t *pHandle)
{
private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
// allocate the framebuffer
if (m->framebuffer == NULL)
{
// initialize the framebuffer, the framebuffer is mapped once and forever.
int err = init_frame_buffer_locked(m);
if (err < 0)
{
return err;
}
}
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;
AERR("fallback to single buffering. Virtual Y-res too small %d", m->info.yres);
return gralloc_alloc_buffer(dev, bufferSize, newUsage, pHandle);
}
if (bufferMask >= ((1LU << numBuffers) - 1))
{
// We ran out of buffers.
return -ENOMEM;
}
int vaddr = m->framebuffer->base;
// find a free slot
for (uint32_t i = 0 ; i < numBuffers ; i++)
{
if ((bufferMask & (1LU << i)) == 0)
{
m->bufferMask |= (1LU << i);
break;
}
vaddr += bufferSize;
}
// The entire framebuffer memory is already mapped, now create a buffer object for parts of this memory
private_handle_t *hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_FRAMEBUFFER, usage, size, vaddr,
0, dup(m->framebuffer->fd), vaddr - m->framebuffer->base);
#if GRALLOC_ARM_UMP_MODULE
hnd->ump_id = m->framebuffer->ump_id;
/* create a backing ump memory handle if the framebuffer is exposed as a secure ID */
if ((int)UMP_INVALID_SECURE_ID != hnd->ump_id)
{
hnd->ump_mem_handle = (int)ump_handle_create_from_secure_id(hnd->ump_id);
if ((int)UMP_INVALID_MEMORY_HANDLE == hnd->ump_mem_handle)
{
AINF("warning: unable to create UMP handle from secure ID %i\n", hnd->ump_id);
}
}
#endif
#if GRALLOC_ARM_DMA_BUF_MODULE
{
#ifdef FBIOGET_DMABUF
struct fb_dmabuf_export fb_dma_buf;
if (ioctl(m->framebuffer->fd, FBIOGET_DMABUF, &fb_dma_buf) == 0)
{
AINF("framebuffer accessed with dma buf (fd 0x%x)\n", (int)fb_dma_buf.fd);
hnd->share_fd = fb_dma_buf.fd;
}
#endif
}
#endif
*pHandle = hnd;
return 0;
}
static int alloc_device_alloc(alloc_device_t* dev, int w, int h, int format, int usage, buffer_handle_t* pHandle, int* pStride)
{
if (!pHandle || !pStride)
{
return -EINVAL;
}
size_t size;
size_t stride;
if (format == HAL_PIXEL_FORMAT_YCrCb_420_SP || format == HAL_PIXEL_FORMAT_YV12 )
{
switch (format)
{
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YV12:
stride = GRALLOC_ALIGN(w, 16);
size = h * (stride + GRALLOC_ALIGN(stride/2,16));
break;
default:
return -EINVAL;
}
}
else
{
int bpp = 0;
switch (format)
{
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_BGRA_8888:
bpp = 4;
break;
case HAL_PIXEL_FORMAT_RGB_888:
bpp = 3;
break;
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
bpp = 2;
break;
default:
return -EINVAL;
}
size_t bpr = GRALLOC_ALIGN(w * bpp, 64);
size = bpr * h;
stride = bpr / bpp;
}
int err;
#ifndef MALI_600
if (usage & GRALLOC_USAGE_HW_FB)
{
err = gralloc_alloc_framebuffer(dev, size, usage, pHandle);
}
else
#endif
{
err = gralloc_alloc_buffer(dev, size, usage, pHandle);
}
if (err < 0)
{
return err;
}
*pStride = stride;
return 0;
}
int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
buffer_handle_t* pHandle, int* pStride, int 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_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;
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;
}
*pStride = alignedw;
return 0;
}