RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 08:07:34 +00:00
Code Issues Activity Actions

Kernel: Add support for multiple VirtIO GPU outputs

Browse source 
This creates /dev/fbX devices for each physical output, owned by the
parent VirtIOGPU instance. This allows mapping and setting resolutions
independently for each output.
This commit is contained in:
Tom 2021-06-25 20:44:48 -06:00 • committed by Andreas Kling
parent 708f27ca0e
commit 8749235046
8 changed files with 305 additions and 194 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.cpp
View file

@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Graphics/VirtIOGPU/VirtIOFrameBufferDevice.h>
#include <Kernel/Graphics/VirtIOGPU/VirtIOGPUConsole.h>
#include <Kernel/WorkQueue.h>
@ -29,22 +30,22 @@ void DirtyRect::union_rect(size_t x, size_t y, size_t width, size_t height)
}
}
NonnullRefPtr<VirtIOGPUConsole> VirtIOGPUConsole::initialize(RefPtr<VirtIOGPU> gpu)
NonnullRefPtr<VirtIOGPUConsole> VirtIOGPUConsole::initialize(RefPtr<VirtIOFrameBufferDevice> const& framebuffer_device)
{
return adopt_ref(*new VirtIOGPUConsole(gpu));
return adopt_ref(*new VirtIOGPUConsole(framebuffer_device));
}
VirtIOGPUConsole::VirtIOGPUConsole(RefPtr<VirtIOGPU> gpu)
: GenericFramebufferConsole(gpu->framebuffer_width(), gpu->framebuffer_height(), gpu->framebuffer_pitch())
, m_gpu(gpu)
VirtIOGPUConsole::VirtIOGPUConsole(RefPtr<VirtIOFrameBufferDevice> const& framebuffer_device)
: GenericFramebufferConsole(framebuffer_device->width(), framebuffer_device->height(), framebuffer_device->pitch())
, m_framebuffer_device(framebuffer_device)
{
m_framebuffer_region = gpu->framebuffer_region();
m_framebuffer_region = m_framebuffer_device->region();
enqueue_refresh_timer();
}
void VirtIOGPUConsole::set_resolution(size_t width, size_t height, size_t)
{
auto did_set_resolution = m_gpu->try_to_set_resolution(width, height);
auto did_set_resolution = m_framebuffer_device->try_to_set_resolution(width, height);
VERIFY(did_set_resolution);
}
@ -66,7 +67,7 @@ void VirtIOGPUConsole::enqueue_refresh_timer()
.height = (u32)rect.height(),
};
g_io_work->queue([this, dirty_rect]() {
m_gpu->flush_dirty_window(dirty_rect);
m_framebuffer_device->flush_dirty_window(dirty_rect);
m_dirty_rect.clear();
});
}
@ -78,9 +79,9 @@ void VirtIOGPUConsole::enqueue_refresh_timer()
void VirtIOGPUConsole::enable()
{
GenericFramebufferConsole::enable();
m_width = m_gpu->framebuffer_width();
m_height = m_gpu->framebuffer_height();
m_pitch = m_gpu->framebuffer_pitch();
m_width = m_framebuffer_device->width();
m_height = m_framebuffer_device->height();
m_pitch = m_framebuffer_device->pitch();
m_dirty_rect.union_rect(0, 0, m_width, m_height);
}