status_t Layer::setBuffers( uint32_t w, uint32_t h,
PixelFormat format, uint32_t flags)
{
// this surfaces pixel format
PixelFormatInfo info;
status_t err = getPixelFormatInfo(format, &info);
if (err) return err;
// the display's pixel format
const DisplayHardware& hw(graphicPlane(0).displayHardware());
uint32_t const maxSurfaceDims = min(
hw.getMaxTextureSize(), hw.getMaxViewportDims());
// never allow a surface larger than what our underlying GL implementation
// can handle.
if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
return BAD_VALUE;
}
PixelFormatInfo displayInfo;
getPixelFormatInfo(hw.getFormat(), &displayInfo);
const uint32_t hwFlags = hw.getFlags();
mFormat = format;
mWidth = w;
mHeight = h;
mReqFormat = format;
mReqWidth = w;
mReqHeight = h;
mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
// we use the red index
int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
mNeedsDithering = layerRedsize > displayRedSize;
mSurface = new SurfaceLayer(mFlinger, this);
return NO_ERROR;
}
status_t Layer::setBuffers( uint32_t w, uint32_t h,
PixelFormat format, uint32_t flags)
{
// this surfaces pixel format
PixelFormatInfo info;
status_t err = getPixelFormatInfo(format, &info);
if (err) return err;
// the display's pixel format
const DisplayHardware& hw(graphicPlane(0).displayHardware());
uint32_t const maxSurfaceDims = min(
hw.getMaxTextureSize(), hw.getMaxViewportDims());
// never allow a surface larger than what our underlying GL implementation
// can handle.
if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
return BAD_VALUE;
}
PixelFormatInfo displayInfo;
getPixelFormatInfo(hw.getFormat(), &displayInfo);
const uint32_t hwFlags = hw.getFlags();
mFormat = format;
mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false;
mOpaqueLayer = (flags & ISurfaceComposer::eOpaque);
mCurrentOpacity = getOpacityForFormat(format);
mSurfaceTexture->setDefaultBufferSize(w, h);
mSurfaceTexture->setDefaultBufferFormat(format);
// we use the red index
int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
mNeedsDithering = layerRedsize > displayRedSize;
return NO_ERROR;
}
status_t Layer::setBuffers( uint32_t w, uint32_t h,
PixelFormat format, uint32_t flags)
{
// this surfaces pixel format
PixelFormatInfo info;
status_t err = getPixelFormatInfo(format, &info);
if (err) {
ALOGE("unsupported pixelformat %d", format);
return err;
}
uint32_t const maxSurfaceDims = min(
mFlinger->getMaxTextureSize(), mFlinger->getMaxViewportDims());
// never allow a surface larger than what our underlying GL implementation
// can handle.
if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h));
return BAD_VALUE;
}
mFormat = format;
mSecure = (flags & ISurfaceComposerClient::eSecure) ? true : false;
mProtectedByApp = (flags & ISurfaceComposerClient::eProtectedByApp) ? true : false;
mOpaqueLayer = (flags & ISurfaceComposerClient::eOpaque);
mCurrentOpacity = getOpacityForFormat(format);
mSurfaceTexture->setDefaultBufferSize(w, h);
mSurfaceTexture->setDefaultBufferFormat(format);
mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0));
int displayMinColorDepth;
int layerRedsize;
switch (mFlinger->getUseDithering()) {
case 0:
mNeedsDithering = false;
break;
case 1:
displayMinColorDepth = mFlinger->getMinColorDepth();
// we use the red index
layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
mNeedsDithering = (layerRedsize > displayMinColorDepth);
break;
case 2:
mNeedsDithering = true;
break;
}
return NO_ERROR;
}
status_t SurfaceComposerClient::getDisplayInfo(
DisplayID dpy, DisplayInfo* info)
{
if (uint32_t(dpy)>=NUM_DISPLAY_MAX)
return BAD_VALUE;
volatile surface_flinger_cblk_t const * cblk = get_cblk();
volatile display_cblk_t const * dcblk = cblk->displays + dpy;
info->w = dcblk->w;
info->h = dcblk->h;
info->orientation = dcblk->orientation;
info->xdpi = dcblk->xdpi;
info->ydpi = dcblk->ydpi;
info->fps = dcblk->fps;
info->density = dcblk->density;
return getPixelFormatInfo(dcblk->format, &(info->pixelFormatInfo));
}
LayerBuffer::BufferSource::BufferSource(LayerBuffer& layer,
const ISurface::BufferHeap& buffers)
: Source(layer), mStatus(NO_ERROR), mBufferSize(0)
{
if (buffers.heap == NULL) {
// this is allowed, but in this case, it is illegal to receive
// postBuffer(). The surface just erases the framebuffer with
// fully transparent pixels.
mBufferHeap = buffers;
mLayer.setNeedsBlending(false);
return;
}
status_t err = (buffers.heap->heapID() >= 0) ? NO_ERROR : NO_INIT;
if (err != NO_ERROR) {
LOGE("LayerBuffer::BufferSource: invalid heap (%s)", strerror(err));
mStatus = err;
return;
}
PixelFormatInfo info;
err = getPixelFormatInfo(buffers.format, &info);
if (err != NO_ERROR) {
LOGE("LayerBuffer::BufferSource: invalid format %d (%s)",
buffers.format, strerror(err));
mStatus = err;
return;
}
if (buffers.hor_stride<0 || buffers.ver_stride<0) {
LOGE("LayerBuffer::BufferSource: invalid parameters "
"(w=%d, h=%d, xs=%d, ys=%d)",
buffers.w, buffers.h, buffers.hor_stride, buffers.ver_stride);
mStatus = BAD_VALUE;
return;
}
mBufferHeap = buffers;
mLayer.setNeedsBlending((info.h_alpha - info.l_alpha) > 0);
mBufferSize = info.getScanlineSize(buffers.hor_stride)*buffers.ver_stride;
mLayer.forceVisibilityTransaction();
}
static void android_graphics_getPixelFormatInfo(
JNIEnv* env, jobject clazz, jint format, jobject pixelFormatObject)
{
PixelFormatInfo info;
status_t err;
// we need this for backward compatibility with PixelFormat's
// deprecated constants
switch (format) {
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
// defined as the bytes per pixel of the Y plane
info.bytesPerPixel = 1;
info.bitsPerPixel = 16;
goto done;
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
// defined as the bytes per pixel of the Y plane
info.bytesPerPixel = 1;
info.bitsPerPixel = 12;
goto done;
case HAL_PIXEL_FORMAT_YCbCr_422_I:
// defined as the bytes per pixel of the Y plane
info.bytesPerPixel = 1;
info.bitsPerPixel = 16;
goto done;
}
err = getPixelFormatInfo(format, &info);
if (err < 0) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
done:
env->SetIntField(pixelFormatObject, offsets.bytesPerPixel, info.bytesPerPixel);
env->SetIntField(pixelFormatObject, offsets.bitsPerPixel, info.bitsPerPixel);
}
status_t LayerBitmap::setBits(uint32_t w, uint32_t h, uint32_t alignment,
PixelFormat format, uint32_t flags)
{
const sp<MemoryDealer>& allocator(mAllocator);
if (allocator == NULL)
return NO_INIT;
if (UNLIKELY(w == mSurface.width && h == mSurface.height &&
format == mSurface.format))
{ // same format and size, do nothing.
return NO_ERROR;
}
PixelFormatInfo info;
getPixelFormatInfo(format, &info);
uint32_t allocFlags = MemoryDealer::PAGE_ALIGNED;
const uint32_t align = 4; // must match GL_UNPACK_ALIGNMENT
const uint32_t Bpp = info.bytesPerPixel;
uint32_t stride = (w + (alignment-1)) & ~(alignment-1);
stride = ((stride * Bpp + (align-1)) & ~(align-1)) / Bpp;
size_t size = info.getScanlineSize(stride) * h;
if (allocFlags & MemoryDealer::PAGE_ALIGNED) {
size_t pagesize = getpagesize();
size = (size + (pagesize-1)) & ~(pagesize-1);
}
/* FIXME: we should be able to have a h/v stride because the user of the
* surface might have stride limitation (for instance h/w codecs often do)
*/
int32_t vstride = 0;
mAlignment = alignment;
mAllocFlags = allocFlags;
mOffset = 0;
if (mSize != size) {
// would be nice to have a reallocate() api
mBitsMemory.clear(); // free-memory
mBitsMemory = allocator->allocate(size, allocFlags);
mSize = size;
} else {
// don't erase memory if we didn't have to reallocate
flags &= ~SECURE_BITS;
}
if (mBitsMemory != 0) {
mOffset = mBitsMemory->offset();
mSurface.data = static_cast<GGLubyte*>(mBitsMemory->pointer());
mSurface.version = sizeof(GGLSurface);
mSurface.width = w;
mSurface.height = h;
mSurface.stride = stride;
mSurface.vstride = vstride;
mSurface.format = format;
if (flags & SECURE_BITS)
clear();
}
if (mBitsMemory==0 || mSurface.data==0) {
LOGE("not enough memory for layer bitmap "
"size=%u (w=%d, h=%d, stride=%d, format=%d)",
size, int(w), int(h), int(stride), int(format));
allocator->dump("LayerBitmap");
mSurface.data = 0;
mSize = -1U;
return NO_MEMORY;
}
return NO_ERROR;
}