LineageOS/android_hardware_libhardware
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remove all references to pmem and simplify the lock/unlock hooks

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this gralloc module is only used on the emulator or without a h/w
renderer. therefore there is no synchronization to do in lock/unlock
and pmem buffers are not relevant.

hopefully this will remove some of the confusion about how gralloc
should be implemented and make it more obvious that this implementation
is not intended to be used by h/w renderers.
This commit is contained in:
Mathias Agopian
2009-12-14 18:27:09 -08:00
parent 058c1fce99
commit f96b2064d7
8 changed files with 45 additions and 637 deletions
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13
modules/gralloc/framebuffer.cpp
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@@ -92,18 +92,8 @@ static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer)
private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(buffer);
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
if (m->currentBuffer) {
m->base.unlock(&m->base, m->currentBuffer);
m->currentBuffer = 0;
}
if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
m->base.lock(&m->base, buffer,
private_module_t::PRIV_USAGE_LOCKED_FOR_POST,
0, 0, m->info.xres, m->info.yres, NULL);
const size_t offset = hnd->base - m->framebuffer->base;
m->info.activate = FB_ACTIVATE_VBL;
m->info.yoffset = offset / m->finfo.line_length;
@@ -292,8 +282,7 @@ int mapFrameBufferLocked(struct private_module_t* module)
int err;
size_t fbSize = roundUpToPageSize(finfo.line_length * info.yres_virtual);
module->framebuffer = new private_handle_t(dup(fd), fbSize,
private_handle_t::PRIV_FLAGS_USES_PMEM);
module->framebuffer = new private_handle_t(dup(fd), fbSize, 0);
module->numBuffers = info.yres_virtual / info.yres;
module->bufferMask = 0;