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Kernel: Remove unnecessary use of LibDraw.

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BXVGADevice was using a Size object for its framebuffer size. We shouldn't
be pulling in userspace code in the kernel like this, even if it's just
headers. :^)
This commit is contained in:
Andreas Kling 2019-07-18 10:36:26 +02:00
parent 1c0669f010
commit bf8d72f5a4
2 changed files with 9 additions and 7 deletions
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7
Kernel/Devices/BXVGADevice.cpp
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@ -51,7 +51,8 @@ void BXVGADevice::set_register(u16 index, u16 data)
void BXVGADevice::set_resolution(int width, int height)
{
m_framebuffer_size = { width, height };
m_framebuffer_width = width;
m_framebuffer_height = height;
set_register(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_DISABLED);
set_register(VBE_DISPI_INDEX_XRES, (u16)width);
@ -65,7 +66,7 @@ void BXVGADevice::set_resolution(int width, int height)
void BXVGADevice::set_y_offset(int offset)
{
ASSERT(offset <= m_framebuffer_size.height());
ASSERT(offset <= m_framebuffer_height);
set_register(VBE_DISPI_INDEX_Y_OFFSET, (u16)offset);
}
@ -107,7 +108,7 @@ int BXVGADevice::ioctl(FileDescription&, unsigned request, unsigned arg)
{
switch (request) {
case BXVGA_DEV_IOCTL_SET_Y_OFFSET:
if (arg > (unsigned)m_framebuffer_size.height() * 2)
if (arg > (unsigned)m_framebuffer_height * 2)
return -EINVAL;
set_y_offset((int)arg);
return 0;