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Merge "gralloc: Configure framebuffer mode according to requested image format." am: 1e249a0769 am: ae5e519fd9

Browse source 
am: 30124221f4

Change-Id: I609e11a90b3bcb50d12b487a4d4b3cb43035d810
This commit is contained in:
Peter Collingbourne 2019-10-23 16:04:05 -07:00 committed by android-build-merger
commit 94f0d1a30f
3 changed files with 23 additions and 8 deletions
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19
modules/gralloc/framebuffer.cpp
View file

@ -117,7 +117,7 @@ static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer)
/*****************************************************************************/
int mapFrameBufferLocked(struct private_module_t* module)
int mapFrameBufferLocked(struct private_module_t* module, int format)
{
// already initialized...
if (module->framebuffer) {
@ -161,6 +161,20 @@ int mapFrameBufferLocked(struct private_module_t* module)
*/
info.yres_virtual = info.yres * NUM_BUFFERS;
switch (format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
info.bits_per_pixel = 32;
info.red.offset = 0;
info.red.length = 8;
info.green.offset = 8;
info.green.length = 8;
info.blue.offset = 16;
info.blue.length = 8;
break;
default:
ALOGW("unknown format: %d", format);
break;
}
uint32_t flags = PAGE_FLIP;
#if USE_PAN_DISPLAY
@ -280,7 +294,8 @@ int mapFrameBufferLocked(struct private_module_t* module)
static int mapFrameBuffer(struct private_module_t* module)
{
pthread_mutex_lock(&module->lock);
int err = mapFrameBufferLocked(module);
// Request RGBA8888 because the platform assumes support for RGBA8888.
int err = mapFrameBufferLocked(module, HAL_PIXEL_FORMAT_RGBA_8888);
pthread_mutex_unlock(&module->lock);
return err;
}

2
modules/gralloc/gr.h
View file

@ -36,7 +36,7 @@ inline size_t roundUpToPageSize(size_t x) {
return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1);
}
int mapFrameBufferLocked(struct private_module_t* module);
int mapFrameBufferLocked(struct private_module_t* module, int format);
int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
int mapBuffer(gralloc_module_t const* module, private_handle_t* hnd);

10
modules/gralloc/gralloc.cpp
View file

@ -101,7 +101,7 @@ struct private_module_t HAL_MODULE_INFO_SYM = {
/*****************************************************************************/
static int gralloc_alloc_framebuffer_locked(alloc_device_t* dev,
size_t size, int usage, buffer_handle_t* pHandle)
size_t size, int format, int usage, buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
@ -110,7 +110,7 @@ static int gralloc_alloc_framebuffer_locked(alloc_device_t* dev,
if (m->framebuffer == NULL) {
// initialize the framebuffer, the framebuffer is mapped once
// and forever.
int err = mapFrameBufferLocked(m);
int err = mapFrameBufferLocked(m, format);
if (err < 0) {
return err;
}
@ -154,12 +154,12 @@ static int gralloc_alloc_framebuffer_locked(alloc_device_t* dev,
}
static int gralloc_alloc_framebuffer(alloc_device_t* dev,
size_t size, int usage, buffer_handle_t* pHandle)
size_t size, int format, int usage, buffer_handle_t* pHandle)
{
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
pthread_mutex_lock(&m->lock);
int err = gralloc_alloc_framebuffer_locked(dev, size, usage, pHandle);
int err = gralloc_alloc_framebuffer_locked(dev, size, format, usage, pHandle);
pthread_mutex_unlock(&m->lock);
return err;
}
@ -236,7 +236,7 @@ static int gralloc_alloc(alloc_device_t* dev,
int err;
if (usage & GRALLOC_USAGE_HW_FB) {
err = gralloc_alloc_framebuffer(dev, size, usage, pHandle);
err = gralloc_alloc_framebuffer(dev, size, format, usage, pHandle);
} else {
err = gralloc_alloc_buffer(dev, size, usage, pHandle);
}