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#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "common/native.h"
#include "etna_fbdev_public.h"
#include "etna/etna_screen.h"
#include <etnaviv/viv.h>
#include <etnaviv/etna_bo.h>
#include <etnaviv/etna_fb.h>
#include <stdio.h>
#include <linux/fb.h>
#include <sys/ioctl.h>
struct etna_fbdev_screen
{
struct native_fbdev_screen base;
/* anything? */
};
static inline struct etna_fbdev_screen *etna_fbdev_screen(struct native_fbdev_screen *fbdev_screen)
{
return (struct etna_fbdev_screen*)fbdev_screen;
}
static void etna_fbdev_screen_destroy(struct native_fbdev_screen *fbdev_screen)
{
FREE(fbdev_screen);
}
static void *etna_fbdev_create_drawable(struct native_fbdev_screen *fbdev_screen,
int fd,
unsigned xoffset, unsigned yoffset,
unsigned width, unsigned height)
{
struct etna_rs_target *drawable = CALLOC_STRUCT(etna_rs_target);
struct fb_var_screeninfo vinfo;
struct fb_fix_screeninfo finfo;
struct etna_screen *screen = etna_screen(fbdev_screen->screen);
if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo))
return NULL;
if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo))
return NULL;
/* sanitize the values */
if (xoffset + width > vinfo.xres_virtual) {
if (xoffset > vinfo.xres_virtual)
width = 0;
else
width = vinfo.xres_virtual - xoffset;
}
if (yoffset + height > vinfo.yres_virtual) {
if (yoffset > vinfo.yres_virtual)
height = 0;
else
height = vinfo.yres_virtual - yoffset;
}
drawable->width = width;
drawable->height = height;
drawable->bo = etna_bo_from_fbdev(screen->dev, fd,
finfo.line_length * yoffset + vinfo.bits_per_pixel / 8 * xoffset,
finfo.line_length * height);
drawable->stride = finfo.line_length;
if(width == 0 || height == 0 ||
!etna_fb_get_format(&vinfo, &drawable->rs_format, &drawable->swap_rb))
{
FREE(drawable);
return NULL;
}
return drawable;
}
static void etna_fbdev_destroy_drawable(struct native_fbdev_screen *fbdev_screen, void *hdrawable)
{
struct etna_rs_target *drawable = (struct etna_rs_target*)hdrawable;
fbdev_screen->screen->fence_reference(fbdev_screen->screen, &drawable->fence, NULL);
FREE(drawable);
}
static struct pipe_fence_handle *etna_fbdev_get_drawable_fence(struct native_fbdev_screen *fbdev_screen, void *hdrawable)
{
struct etna_rs_target *drawable = (struct etna_rs_target*)hdrawable;
return (struct pipe_fence_handle*)drawable->fence;
}
static bool etna_fbdev_probe(const struct native_fbdev_driver *driver)
{
return true;
}
static struct native_fbdev_screen *etna_fbdev_create_screen(
const struct native_fbdev_driver *driver,
int fd,
struct native_display *display,
const struct native_event_handler *event_handler)
{
struct etna_fbdev_screen *fscreen = CALLOC_STRUCT(etna_fbdev_screen);
fscreen->base.screen = event_handler->new_drm_screen(display, "etna", -1);
if(!fscreen->base.screen)
{
FREE(fscreen);
return NULL;
}
fscreen->base.destroy = etna_fbdev_screen_destroy;
fscreen->base.create_drawable = etna_fbdev_create_drawable;
fscreen->base.destroy_drawable = etna_fbdev_destroy_drawable;
fscreen->base.get_drawable_fence = etna_fbdev_get_drawable_fence;
return &fscreen->base;
}
static const struct native_fbdev_driver fbdev_driver = {
"etna", /* name */
etna_fbdev_probe,
etna_fbdev_create_screen
};
const struct native_fbdev_driver *etna_fbdev_get_driver(void)
{
return &fbdev_driver;
}
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