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WindowServer: Move video mode setup to WSScreen.

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This commit is contained in:
Andreas Kling 2019-02-17 01:43:01 +01:00
parent 809266a9fb
commit 82768e7ac5
6 changed files with 47 additions and 58 deletions
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30
WindowServer/WSScreen.cpp
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@ -2,6 +2,10 @@
#include "WSMessageLoop.h"
#include "WSMessage.h"
#include "WSWindowManager.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
static WSScreen* s_the;
@ -11,15 +15,29 @@ WSScreen& WSScreen::the()
return *s_the;
}
WSScreen::WSScreen(RGBA32* framebuffer, unsigned width, unsigned height)
: m_framebuffer(framebuffer)
, m_width(width)
WSScreen::WSScreen(unsigned width, unsigned height)
: m_width(width)
, m_height(height)
{
ASSERT(!s_the);
s_the = this;
m_cursor_location = rect().center();
m_framebuffer_fd = open("/dev/bxvga", O_RDWR);
ASSERT(m_framebuffer_fd >= 0);
struct BXVGAResolution {
int width;
int height;
};
BXVGAResolution resolution { (int)width, (int)height};
int rc = ioctl(m_framebuffer_fd, 1985, (int)&resolution);
ASSERT(rc == 0);
size_t framebuffer_size_in_bytes = resolution.width * resolution.height * sizeof(RGBA32) * 2;
m_framebuffer = (RGBA32*)mmap(nullptr, framebuffer_size_in_bytes, PROT_READ | PROT_WRITE, MAP_SHARED, m_framebuffer_fd, 0);
ASSERT(m_framebuffer && m_framebuffer != (void*)-1);
}
WSScreen::~WSScreen()
@ -68,3 +86,9 @@ void WSScreen::on_receive_keyboard_data(KeyEvent kernel_event)
message->m_alt = kernel_event.alt();
WSMessageLoop::the().post_message(&WSWindowManager::the(), move(message));
}
void WSScreen::set_y_offset(int offset)
{
int rc = ioctl(m_framebuffer_fd, 1982, offset);
ASSERT(rc == 0);
}