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drivers/video: Refine the update region notification mechanism

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1.Expose the notification through fb_vtable_s::updatearea
2.Incorporate old nx_notify_rectangle into the new updatearea callback
3.Migrate the calle of nx_notify_rectangle to fb_vtable_s::updatearea

Change-Id: Ia3d1f73e8757b2d381586d76ec6adc16c810018d
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi 2020-06-04 10:35:50 +08:00 committed by Alin Jerpelea
parent 154852acb5
commit fd78f83e02
24 changed files with 425 additions and 316 deletions
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24
arch/sim/src/sim/up_framebuffer.c
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@ -46,8 +46,6 @@
#include <nuttx/clock.h> #include <nuttx/clock.h>
#include <nuttx/wqueue.h> #include <nuttx/wqueue.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxglib.h>
#include <nuttx/video/fb.h> #include <nuttx/video/fb.h>
#include "up_internal.h" #include "up_internal.h"
@ -461,25 +459,3 @@ FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
void up_fbuninitialize(int display) void up_fbuninitialize(int display)
{ {
} }
/****************************************************************************
* Name: nx_notify_rectangle
*
* Description:
* Must be provided if CONFIG_NX_UPDATE is enabled
*
* Input Parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_NX_UPDATE
void nx_notify_rectangle(FAR NX_PLANEINFOTYPE *pinfo,
FAR const struct nxgl_rect_s *rect)
{
}
#endif

7
drivers/lcd/Kconfig
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@ -22,17 +22,12 @@ config LCD_PACKEDMSFIRST
bool bool
default n default n
config LCD_UPDATE
bool
default n
select NX_UPDATE if NX
comment "Common Graphic LCD Settings" comment "Common Graphic LCD Settings"
config LCD_FRAMEBUFFER config LCD_FRAMEBUFFER
bool "LCD framebuffer front end" bool "LCD framebuffer front end"
default n default n
select LCD_UPDATE select FB_UPDATE
---help--- ---help---
Enable a "front end" that converts an sequential LCD driver into a Enable a "front end" that converts an sequential LCD driver into a
standard, NuttX frame buffer driver. standard, NuttX frame buffer driver.

91
drivers/lcd/lcd_framebuffer.c
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@ -47,8 +47,6 @@
#include <nuttx/board.h> #include <nuttx/board.h>
#include <nuttx/kmalloc.h> #include <nuttx/kmalloc.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxglib.h>
#include <nuttx/lcd/lcd.h> #include <nuttx/lcd/lcd.h>
#include <nuttx/video/fb.h> #include <nuttx/video/fb.h>
@ -88,8 +86,8 @@ struct lcdfb_dev_s
/* Update the LCD when there is a change to the framebuffer */ /* Update the LCD when there is a change to the framebuffer */
static int lcdfb_update(FAR struct lcdfb_dev_s *priv, static int lcdfb_updateearea(FAR struct fb_vtable_s *vtable,
FAR const struct nxgl_rect_s *rect); FAR const struct fb_area_s *area);
/* Get information about the video controller configuration and the /* Get information about the video controller configuration and the
* configuration of each color plane. * configuration of each color plane.
@ -167,16 +165,17 @@ static FAR struct lcdfb_dev_s *lcdfb_find(int display)
} }
/**************************************************************************** /****************************************************************************
* Name: lcdfb_update * Name: lcdfb_updateearea
* *
* Description: * Description:
* Update the LCD when there is a change to the framebuffer. * Update the LCD when there is a change to the framebuffer.
* *
****************************************************************************/ ****************************************************************************/
static int lcdfb_update(FAR struct lcdfb_dev_s *priv, static int lcdfb_updateearea(FAR struct fb_vtable_s *vtable,
FAR const struct nxgl_rect_s *rect) FAR const struct fb_area_s *area)
{ {
FAR struct lcdfb_dev_s *priv = (FAR struct lcdfb_dev_s *)vtable;
FAR struct lcd_planeinfo_s *pinfo = &priv->pinfo; FAR struct lcd_planeinfo_s *pinfo = &priv->pinfo;
FAR uint8_t *run; FAR uint8_t *run;
fb_coord_t row; fb_coord_t row;
@ -187,27 +186,31 @@ static int lcdfb_update(FAR struct lcdfb_dev_s *priv,
fb_coord_t endy; fb_coord_t endy;
int ret; int ret;
DEBUGASSERT(area != NULL);
DEBUGASSERT(area->w >= 1);
DEBUGASSERT(area->h >= 1);
/* Clip to fit in the framebuffer */ /* Clip to fit in the framebuffer */
startx = rect->pt1.x; startx = area->x;
if (startx < 0) if (startx < 0)
{ {
startx = 0; startx = 0;
} }
endx = rect->pt2.x; endx = startx + area->w - 1;
if (endx >= priv->xres) if (endx >= priv->xres)
{ {
endx = priv->xres - 1; endx = priv->xres - 1;
} }
starty = rect->pt1.y; starty = area->y;
if (starty < 0) if (starty < 0)
{ {
starty = 0; starty = 0;
} }
endy = rect->pt2.y; endy = starty + area->h - 1;
if (endy >= priv->yres) if (endy >= priv->yres)
{ {
endy = priv->yres - 1; endy = priv->yres - 1;
@ -473,7 +476,7 @@ int up_fbinitialize(int display)
FAR struct lcdfb_dev_s *priv; FAR struct lcdfb_dev_s *priv;
FAR struct lcd_dev_s *lcd; FAR struct lcd_dev_s *lcd;
struct fb_videoinfo_s vinfo; struct fb_videoinfo_s vinfo;
struct nxgl_rect_s rect; struct fb_area_s area;
int ret; int ret;
lcdinfo("display=%d\n", display); lcdinfo("display=%d\n", display);
@ -502,6 +505,7 @@ int up_fbinitialize(int display)
priv->vtable.getcursor = lcdfb_getcursor, priv->vtable.getcursor = lcdfb_getcursor,
priv->vtable.setcursor = lcdfb_setcursor, priv->vtable.setcursor = lcdfb_setcursor,
#endif #endif
priv->vtable.updatearea = lcdfb_updateearea,
#ifdef CONFIG_LCD_EXTERNINIT #ifdef CONFIG_LCD_EXTERNINIT
/* Use external graphics driver initialization */ /* Use external graphics driver initialization */
@ -577,12 +581,12 @@ int up_fbinitialize(int display)
/* Write the entire framebuffer to the LCD */ /* Write the entire framebuffer to the LCD */
rect.pt1.x = 0; area.x = 0;
rect.pt1.y = 0; area.y = 0;
rect.pt2.x = priv->xres - 1; area.w = priv->xres;
rect.pt2.y = priv->yres - 1; area.h = priv->yres;
ret = lcdfb_update(priv, &rect); ret = lcdfb_updateearea(&priv->vtable, &area);
if (ret < 0) if (ret < 0)
{ {
lcderr("FB update failed: %d\n", ret); lcderr("FB update failed: %d\n", ret);
@ -700,57 +704,4 @@ void up_fbuninitialize(int display)
} }
} }
/****************************************************************************
* Name: nx_notify_rectangle
*
* Description:
* When CONFIG_LCD_UPDATE=y, then the graphics system will callout to
* inform some external module that the display has been updated. This
* would be useful in a couple for cases.
*
* - When a serial LCD is used, but a framebuffer is used to access the
* LCD. In this case, the update callout can be used to refresh the
* affected region of the display.
*
* - When VNC is enabled. This is case, this callout is necessary to
* update the remote frame buffer to match the local framebuffer.
*
* When this feature is enabled, some external logic must provide this
* interface. This is the function that will handle the notification. It
* receives the rectangular region that was updated on the provided plane.
*
* NOTE: This function is also required for use with the LCD framebuffer
* driver front end when CONFIG_LCD_UPDATE=y, although that use does not
* depend on CONFIG_NX (and this function seems misnamed in that case).
*
****************************************************************************/
#if defined(CONFIG_LCD_UPDATE) || defined(CONFIG_NX_UPDATE)
void nx_notify_rectangle(FAR NX_PLANEINFOTYPE *pinfo,
FAR const struct nxgl_rect_s *rect)
{
FAR struct fb_planeinfo_s *fpinfo = (FAR struct fb_planeinfo_s *)pinfo;
FAR struct lcdfb_dev_s *priv;
int ret;
DEBUGASSERT(fpinfo != NULL && rect != NULL);
/* Look up the LCD framebuffer state structure for this display.
*
* REVISIT: If many LCD framebuffers are used, then this lookup would be
* a performance issue.
*/
priv = lcdfb_find(fpinfo->display);
if (priv != NULL)
{
ret = lcdfb_update(priv, rect);
if (ret < 0)
{
lcderr("FB update failed: %d\n", ret);
}
}
}
#endif
#endif /* CONFIG_LCD_FRAMEBUFFER */ #endif /* CONFIG_LCD_FRAMEBUFFER */

62
drivers/video/Kconfig
View File

@ -3,6 +3,37 @@
# see the file kconfig-language.txt in the NuttX tools repository. # see the file kconfig-language.txt in the NuttX tools repository.
# #
config FB_CMAP
bool
default n
---help---
Set by driver-specific configuration to indicate support for color
mapping. Not directly user selectable.
config FB_TRANSPARENCY
bool
default n
---help---
Set by driver-specific configuration to indicate support for color
transparency. Not directly user selectable.
config FB_UPDATE
bool
default n
config FB_SYNC
bool "Hardware signals vertical sync"
default n
config FB_OVERLAY
bool "Framebuffer overlay support"
default n
config FB_OVERLAY_BLIT
bool "Framebuffer overlay blit support"
depends on FB_OVERLAY
default n
menuconfig DRIVERS_VIDEO menuconfig DRIVERS_VIDEO
bool "Video Device Support" bool "Video Device Support"
default n default n
@ -15,37 +46,6 @@ config VIDEO_FB
bool "Framebuffer character driver" bool "Framebuffer character driver"
default n default n
config FB_CMAP
bool
depends on VIDEO_FB
default n
---help---
Set by driver-specific configuration to indicate support for color
mapping. Not directly user selectable.
config FB_TRANSPARENCY
bool
depends on VIDEO_FB
default n
---help---
Set by driver-specific configuration to indicate support for color
transparency. Not directly user selectable.
config FB_SYNC
bool "Hardware signals vertical sync"
depends on VIDEO_FB
default n
config FB_OVERLAY
bool "Framebuffer overlay support"
depends on VIDEO_FB
default n
config FB_OVERLAY_BLIT
bool "Framebuffer overlay blit support"
depends on FB_OVERLAY
default n
config VIDEO_STREAM config VIDEO_STREAM
bool "Video Stream Support" bool "Video Stream Support"
default n default n

19
drivers/video/fb.c
View File

@ -49,8 +49,6 @@
#include <nuttx/kmalloc.h> #include <nuttx/kmalloc.h>
#include <nuttx/fs/fs.h> #include <nuttx/fs/fs.h>
#include <nuttx/fs/ioctl.h> #include <nuttx/fs/ioctl.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxglib.h>
#include <nuttx/video/fb.h> #include <nuttx/video/fb.h>
/**************************************************************************** /****************************************************************************
@ -402,20 +400,13 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
break; break;
#endif #endif
#ifdef CONFIG_LCD_UPDATE #ifdef CONFIG_FB_UPDATE
case FBIO_UPDATE: /* Update the LCD with the modified framebuffer data */ case FBIO_UPDATE: /* Update the modified framebuffer data */
{ {
FAR struct nxgl_rect_s *rect = struct fb_area_s *area = (FAR struct fb_area_s *)((uintptr_t)arg);
(FAR struct nxgl_rect_s *)((uintptr_t)arg);
struct fb_planeinfo_s pinfo;
DEBUGASSERT(fb->vtable != NULL && DEBUGASSERT(fb->vtable != NULL && fb->vtable->updatearea != NULL);
fb->vtable->getplaneinfo != NULL); ret = fb->vtable->updatearea(fb->vtable, area);
ret = fb->vtable->getplaneinfo(fb->vtable, fb->plane, &pinfo);
if (ret >= 0)
{
nx_notify_rectangle((FAR NX_PLANEINFOTYPE *)&pinfo, rect);
}
} }
break; break;
#endif #endif

9
graphics/Kconfig
View File

@ -143,7 +143,7 @@ config NX_WRITEONLY
config NX_UPDATE config NX_UPDATE
bool "Display update hooks" bool "Display update hooks"
default n default FB_UPDATE && !NX_LCDDRIVER
---help--- ---help---
Enable a callout to inform some external module that the display has Enable a callout to inform some external module that the display has
been updated. This would be useful in a couple for cases. been updated. This would be useful in a couple for cases.
@ -158,8 +158,11 @@ config NX_UPDATE
When this feature is enabled, some external logic must provide this When this feature is enabled, some external logic must provide this
interface: interface:
void nx_notify_rectangle(FAR NX_PLANEINFOTYPE *pinfo, fb_vtable_s
FAR const struct nxgl_rect_s *rect); {
int (*updatearea)(FAR struct fb_vtable_s *vtable,
FAR const struct fb_area_s *area);
};
That is the function that will handle the notification. It That is the function that will handle the notification. It
receives the rectangular region that was updated in the provided receives the rectangular region that was updated in the provided

4
graphics/nxbe/Make.defs
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@ -50,6 +50,10 @@ else ifeq ($(CONFIG_NX_HWCURSOR),y)
CSRCS += nxbe_cursor.c CSRCS += nxbe_cursor.c
endif endif
ifeq ($(CONFIG_NX_UPDATE),y)
CSRCS += nxbe_notify_rectangle.c
endif
DEPPATH += --dep-path nxbe DEPPATH += --dep-path nxbe
CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)/graphics/nxbe} CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)/graphics/nxbe}
VPATH += :nxbe VPATH += :nxbe

42
graphics/nxbe/nxbe.h
View File

@ -189,6 +189,7 @@ struct nxbe_plane_s
/* Framebuffer plane info describing destination video plane */ /* Framebuffer plane info describing destination video plane */
NX_DRIVERTYPE *driver;
NX_PLANEINFOTYPE pinfo; NX_PLANEINFOTYPE pinfo;
}; };
@ -252,9 +253,9 @@ struct nxbe_state_s
FAR struct nxbe_window_s *topwnd; /* The window at the top of the display */ FAR struct nxbe_window_s *topwnd; /* The window at the top of the display */
struct nxbe_window_s bkgd; /* The background window is always at the bottom */ struct nxbe_window_s bkgd; /* The background window is always at the bottom */
/* At present, only a solid colored background is supported for refills. The /* At present, only a solid colored background is supported for refills.
* following provides the background color. It would be nice to support * The following provides the background color. It would be nice to
* background bitmap images as well. * support background bitmap images as well.
*/ */
nxgl_mxpixel_t bgcolor[CONFIG_NX_NPLANES]; nxgl_mxpixel_t bgcolor[CONFIG_NX_NPLANES];
@ -279,13 +280,14 @@ struct nxbe_state_s
#undef EXTERN #undef EXTERN
#if defined(__cplusplus) #if defined(__cplusplus)
#define EXTERN extern "C" #define EXTERN extern "C"
extern "C" { extern "C"
{
#else #else
#define EXTERN extern #define EXTERN extern
#endif #endif
/**************************************************************************** /****************************************************************************
* Public Functions * Public Function Prototypes
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
@ -300,6 +302,32 @@ extern "C" {
int nxbe_colormap(FAR NX_DRIVERTYPE *dev); int nxbe_colormap(FAR NX_DRIVERTYPE *dev);
#endif #endif
/****************************************************************************
* Name: nxbe_notify_rectangle
*
* Description:
* When CONFIG_NX_UPDATE=y, then the graphics system will callout to
* inform some external module that the display has been updated. This
* would be useful in a couple for cases.
*
* - When a serial LCD is used, but a framebuffer is used to access the
* LCD. In this case, the update callout can be used to refresh the
* affected region of the display.
*
* - When VNC is enabled. This is case, this callout is necessary to
* update the remote frame buffer to match the local framebuffer.
*
* When this feature is enabled, some external logic must provide this
* interface. This is the function that will handle the notification. It
* receives the rectangular region that was updated on the provided plane.
*
****************************************************************************/
#ifdef CONFIG_NX_UPDATE
void nxbe_notify_rectangle(FAR NX_DRIVERTYPE *dev,
FAR const struct nxgl_rect_s *rect);
#endif
/**************************************************************************** /****************************************************************************
* Name: nx_configure * Name: nx_configure
* *
@ -523,8 +551,8 @@ void nxbe_setvisibility(FAR struct nxbe_window_s *wnd, bool hide);
* Name: nxbe_setpixel * Name: nxbe_setpixel
* *
* Description: * Description:
* Set a single pixel in the window to the specified color. This is simply * Set a single pixel in the window to the specified color. This is simply a
* a degenerate case of nxbe_fill(), but may be optimized in some architectures. * degenerate case of nxbe_fill, but may be optimized in some architectures.
* *
* Input Parameters: * Input Parameters:
* wnd - The window structure reference * wnd - The window structure reference

10
graphics/nxbe/nxbe_bitmap.c
View File

@ -67,8 +67,8 @@ struct nx_bitmap_s
* Name: bitmap_clipcopy * Name: bitmap_clipcopy
* *
* Description: * Description:
* Called from nxbe_clipper() to performed the fill operation on visible portions * Called from nxbe_clipper() to performed the fill operation on visible
* of the rectangle. * portions of the rectangle.
* *
****************************************************************************/ ****************************************************************************/
@ -86,7 +86,7 @@ static void bitmap_clipcopy(FAR struct nxbe_clipops_s *cops,
#ifdef CONFIG_NX_UPDATE #ifdef CONFIG_NX_UPDATE
/* Notify external logic that the display has been updated */ /* Notify external logic that the display has been updated */
nx_notify_rectangle(&plane->pinfo, rect); nxbe_notify_rectangle(plane->driver, rect);
#endif #endif
} }
@ -340,8 +340,8 @@ void nxbe_bitmap(FAR struct nxbe_window_s *wnd,
nxbe_bitmap_dev(wnd, dest, src, origin, stride); nxbe_bitmap_dev(wnd, dest, src, origin, stride);
#ifdef CONFIG_NX_SWCURSOR #ifdef CONFIG_NX_SWCURSOR
/* Update cursor backup memory and redraw the cursor in the modified window /* Update cursor backup memory and redraw the cursor in the modified
* region. * window region.
*/ */
nxbe_cursor_backupdraw_all(wnd, dest); nxbe_cursor_backupdraw_all(wnd, dest);

8
graphics/nxbe/nxbe_configure.c
View File

@ -107,11 +107,6 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
CONFIG_NX_NPLANES, be->vinfo.nplanes); CONFIG_NX_NPLANES, be->vinfo.nplanes);
return -E2BIG; return -E2BIG;
} }
else if (be->vinfo.nplanes < CONFIG_NX_NPLANES)
{
gwarn("WARNING: NX configured for %d planes, controller only needs %d\n",
CONFIG_NX_NPLANES, be->vinfo.nplanes);
}
#endif #endif
/* Then get information about each color plane */ /* Then get information about each color plane */
@ -125,6 +120,8 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
return ret; return ret;
} }
be->plane[i].driver = dev;
/* Select rasterizers to match the BPP reported for this plane. /* Select rasterizers to match the BPP reported for this plane.
* NOTE that there are configuration options to eliminate support * NOTE that there are configuration options to eliminate support
* for unused BPP values. If the unused BPP values are not suppressed * for unused BPP values. If the unused BPP values are not suppressed
@ -309,5 +306,6 @@ int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be)
return -ENOSYS; return -ENOSYS;
} }
} }
return OK; return OK;
} }

6
graphics/nxbe/nxbe_fill.c
View File

@ -83,7 +83,7 @@ static void nxbe_clipfill(FAR struct nxbe_clipops_s *cops,
#ifdef CONFIG_NX_UPDATE #ifdef CONFIG_NX_UPDATE
/* Notify external logic that the display has been updated */ /* Notify external logic that the display has been updated */
nx_notify_rectangle(&plane->pinfo, rect); nxbe_notify_rectangle(plane->driver, rect);
#endif #endif
} }
@ -168,8 +168,8 @@ static inline void nxbe_fill_pwfb(FAR struct nxbe_window_s *wnd,
DEBUGASSERT(wnd->be->plane[0].pwfb.fillrectangle != NULL); DEBUGASSERT(wnd->be->plane[0].pwfb.fillrectangle != NULL);
/* The rectangle that we receive here is in absolute device coordinates. We /* The rectangle that we receive here is in absolute device coordinates.
* need to restore this to windows relative coordinates. * We need to restore this to windows relative coordinates.
*/ */
nxgl_rectoffset(&relrect, rect, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y); nxgl_rectoffset(&relrect, rect, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y);

12
graphics/nxbe/nxbe_filltrapezoid.c
View File

@ -78,8 +78,8 @@ struct nxbe_filltrap_s
* Name: nxbe_clipfilltrapezoid * Name: nxbe_clipfilltrapezoid
* *
* Description: * Description:
* Called from nxbe_clipper() to performed the fill operation on visible portions * Called from nxbe_clipper() to performed the fill operation on visible
* of the rectangle. * portions of the rectangle.
* *
****************************************************************************/ ****************************************************************************/
@ -107,7 +107,7 @@ static void nxbe_clipfilltrapezoid(FAR struct nxbe_clipops_s *cops,
MIN(fillinfo->trap.bot.x2, rect->pt2.x)); MIN(fillinfo->trap.bot.x2, rect->pt2.x));
update.pt2.y = MIN(fillinfo->trap.bot.y, rect->pt2.y); update.pt2.y = MIN(fillinfo->trap.bot.y, rect->pt2.y);
nx_notify_rectangle(&plane->pinfo, &update); nxbe_notify_rectangle(plane->driver, &update);
#endif #endif
} }
@ -129,7 +129,8 @@ static void nxbe_clipfilltrapezoid(FAR struct nxbe_clipops_s *cops,
* *
****************************************************************************/ ****************************************************************************/
static inline void nxbe_filltrapezoid_dev(FAR struct nxbe_window_s *wnd, static inline void
nxbe_filltrapezoid_dev(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *bounds, FAR const struct nxgl_rect_s *bounds,
FAR const struct nxgl_trapezoid_s *trap, FAR const struct nxgl_trapezoid_s *trap,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
@ -190,7 +191,8 @@ static inline void nxbe_filltrapezoid_dev(FAR struct nxbe_window_s *wnd,
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_NX_RAMBACKED #ifdef CONFIG_NX_RAMBACKED
static inline void nxbe_filltrapezoid_pwfb(FAR struct nxbe_window_s *wnd, static inline void
nxbe_filltrapezoid_pwfb(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *bounds, FAR const struct nxgl_rect_s *bounds,
FAR const struct nxgl_trapezoid_s *trap, FAR const struct nxgl_trapezoid_s *trap,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES]) nxgl_mxpixel_t color[CONFIG_NX_NPLANES])

22
graphics/nxbe/nxbe_move.c
View File

@ -69,8 +69,8 @@ struct nxbe_move_s
* Name: nxbe_clipmovesrc * Name: nxbe_clipmovesrc
* *
* Description: * Description:
* Called from nxbe_clipper() to performed the move operation on visible regions * Called from nxbe_clipper() to performed the move operation on visible
* of the rectangle. * regions of the rectangle.
* *
****************************************************************************/ ****************************************************************************/
@ -92,7 +92,9 @@ static void nxbe_clipmovesrc(FAR struct nxbe_clipops_s *cops,
offset.x = rect->pt1.x + info->offset.x; offset.x = rect->pt1.x + info->offset.x;
offset.y = rect->pt1.y + info->offset.y; offset.y = rect->pt1.y + info->offset.y;
/* Move the source rectangle to the destination position in the device */ /* Move the source rectangle to the destination position in the
* device
*/
plane->dev.moverectangle(&plane->pinfo, rect, &offset); plane->dev.moverectangle(&plane->pinfo, rect, &offset);
@ -109,7 +111,7 @@ static void nxbe_clipmovesrc(FAR struct nxbe_clipops_s *cops,
* rectangle has changed. * rectangle has changed.
*/ */
nx_notify_rectangle(&plane->pinfo, &update); nxbe_notify_rectangle(plane->driver, &update);
#endif #endif
} }
} }
@ -118,8 +120,8 @@ static void nxbe_clipmovesrc(FAR struct nxbe_clipops_s *cops,
* Name: nxbe_clipmoveobscured * Name: nxbe_clipmoveobscured
* *
* Description: * Description:
* Called from nxbe_clipper() to performed the move operation on obsrured regions * Called from nxbe_clipper() to performed the move operation on obsrured
* of the rectangle. * regions of the rectangle.
* *
****************************************************************************/ ****************************************************************************/
@ -336,8 +338,8 @@ static inline void nxbe_move_pwfb(FAR struct nxbe_window_s *wnd,
struct nxgl_rect_s destrect; struct nxgl_rect_s destrect;
unsigned int bpp; unsigned int bpp;
/* The rectangle that we receive here is in absolute device coordinates. We /* The rectangle that we receive here is in absolute device coordinates.
* need to restore this to windows relative coordinates. * We need to restore this to windows relative coordinates.
*/ */
nxgl_rectoffset(&srcrect, rect, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y); nxgl_rectoffset(&srcrect, rect, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y);
@ -457,7 +459,9 @@ void nxbe_move(FAR struct nxbe_window_s *wnd,
if (!nxgl_nullrect(&srcrect)) if (!nxgl_nullrect(&srcrect))
{ {
#ifdef CONFIG_NX_RAMBACKED #ifdef CONFIG_NX_RAMBACKED
/* Update the pre-window framebuffer first, then the device memory. */ /* Update the pre-window framebuffer first, then the device
* memory.
*/
if (NXBE_ISRAMBACKED(wnd)) if (NXBE_ISRAMBACKED(wnd))
{ {

65
graphics/nxbe/nxbe_notify_rectangle.c Normal file
View File

@ -0,0 +1,65 @@
/****************************************************************************
* graphics/nxbe/nxbe_notify_rectangle.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/nx/nxglib.h>
#include "nxbe.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxbe_notify_rectangle
*
* Description:
* When CONFIG_NX_UPDATE=y, then the graphics system will callout to
* inform some external module that the display has been updated. This
* would be useful in a couple for cases.
*
* - When a serial LCD is used, but a framebuffer is used to access the
* LCD. In this case, the update callout can be used to refresh the
* affected region of the display.
*
* - When VNC is enabled. This is case, this callout is necessary to
* update the remote frame buffer to match the local framebuffer.
*
* When this feature is enabled, some external logic must provide this
* interface. This is the function that will handle the notification. It
* receives the rectangular region that was updated on the provided plane.
*
****************************************************************************/
#ifdef CONFIG_NX_UPDATE
void nxbe_notify_rectangle(FAR NX_DRIVERTYPE *dev,
FAR const struct nxgl_rect_s *rect)
{
struct fb_area_s area;
nxgl_rect2area(&area, rect);
dev->updatearea(dev, &area);
}
#endif

9
graphics/nxbe/nxbe_setpixel.c
View File

@ -64,8 +64,8 @@ struct nxbe_setpixel_s
* Name: nxbe_clipfill * Name: nxbe_clipfill
* *
* Description: * Description:
* Called from nxbe_clipper() to performed the fill operation on visible portions * Called from nxbe_clipper() to performed the fill operation on visible
* of the rectangle. * portions of the rectangle.
* *
****************************************************************************/ ****************************************************************************/
@ -82,7 +82,7 @@ static void nxbe_clipfill(FAR struct nxbe_clipops_s *cops,
#ifdef CONFIG_NX_UPDATE #ifdef CONFIG_NX_UPDATE
/* Notify external logic that the display has been updated */ /* Notify external logic that the display has been updated */
nx_notify_rectangle(&plane->pinfo, rect); nxbe_notify_rectangle(plane->driver, rect);
#endif #endif
} }
@ -189,7 +189,8 @@ void nxbe_setpixel(FAR struct nxbe_window_s *wnd,
#ifdef CONFIG_NX_RAMBACKED #ifdef CONFIG_NX_RAMBACKED
/* If this window supports a pre-window frame buffer then shadow the full, /* If this window supports a pre-window frame buffer then shadow the full,
* unclipped bitmap in that framebuffer. * unclipped bitmap in that framebuffer.
* REVISIT: The logic to set a pixel in the per-window frame buffer is missing * REVISIT: The logic to set a pixel in the per-window frame buffer is
* missing
*/ */
DEBUGASSERT(!NXBE_ISRAMBACKED(wnd)); DEBUGASSERT(!NXBE_ISRAMBACKED(wnd));

2
graphics/vnc/server/Kconfig
View File

@ -7,7 +7,7 @@ menuconfig VNCSERVER
bool "VNC server" bool "VNC server"
default n default n
depends on NET_TCP && !NX_LCDDRIVER depends on NET_TCP && !NX_LCDDRIVER
select NX_UPDATE select FB_UPDATE
---help--- ---help---
Enable support for a VNC Remote Frame Buffer (RFB) server. Enable support for a VNC Remote Frame Buffer (RFB) server.

96
graphics/vnc/server/vnc_fbdev.c
View File

@ -109,6 +109,11 @@ static int up_setcursor(FAR struct fb_vtable_s *vtable,
FAR struct fb_setcursor_s *settings); FAR struct fb_setcursor_s *settings);
#endif #endif
/* Update the host window when there is a change to the framebuffer */
static int up_updateearea(FAR struct fb_vtable_s *vtable,
FAR const struct fb_area_s *area);
/**************************************************************************** /****************************************************************************
* Private Data * Private Data
****************************************************************************/ ****************************************************************************/
@ -403,6 +408,44 @@ static int up_setcursor(FAR struct fb_vtable_s *vtable,
} }
#endif #endif
/****************************************************************************
* Name: up_updateearea
****************************************************************************/
static int up_updateearea(FAR struct fb_vtable_s *vtable,
FAR const struct fb_area_s *area)
{
FAR struct vnc_fbinfo_s *fbinfo = (FAR struct vnc_fbinfo_s *)vtable;
FAR struct vnc_session_s *session;
struct nxgl_rect_s rect;
int ret = OK;
DEBUGASSERT(fbinfo != NULL && area != NULL);
/* Recover the session information from the display number in the planeinfo
* structure.
*/
DEBUGASSERT(fbinfo->display >= 0 && fbinfo->display < RFB_MAX_DISPLAYS);
session = g_vnc_sessions[fbinfo->display];
/* Verify that the session is still valid */
if (session != NULL && session->state == VNCSERVER_RUNNING)
{
/* Queue the rectangular update */
nxgl_area2rect(&rect, area);
ret = vnc_update_rectangle(session, &rect, true);
if (ret < 0)
{
gerr("ERROR: vnc_update_rectangle failed: %d\n", ret);
}
}
return ret;
}
/**************************************************************************** /****************************************************************************
* Name: vnc_start_server * Name: vnc_start_server
* *
@ -774,6 +817,7 @@ FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
fbinfo->vtable.getcursor = up_getcursor, fbinfo->vtable.getcursor = up_getcursor,
fbinfo->vtable.setcursor = up_setcursor, fbinfo->vtable.setcursor = up_setcursor,
#endif #endif
fbinfo->vtable.updatearea = up_updateearea,
fbinfo->display = display; fbinfo->display = display;
fbinfo->initialized = true; fbinfo->initialized = true;
} }
@ -821,55 +865,3 @@ void up_fbuninitialize(int display)
} }
#endif #endif
} }
/****************************************************************************
* Name: nx_notify_rectangle
*
* Description:
* When CONFIG_NX_UPDATE=y, then the graphics system will callout to
* inform some external module that the display has been updated. This
* would be useful in a couple for cases.
*
* - When a serial LCD is used, but a framebuffer is used to access the
* LCD. In this case, the update callout can be used to refresh the
* affected region of the display.
*
* - When VNC is enabled. This is case, this callout is necessary to
* update the remote frame buffer to match the local framebuffer.
*
* When this feature is enabled, some external logic must provide this
* interface. This is the function that will handle the notification. It
* receives the rectangular region that was updated on the provided plane.
*
****************************************************************************/
#ifdef CONFIG_NX_UPDATE
void nx_notify_rectangle(FAR NX_PLANEINFOTYPE *pinfo,
FAR const struct nxgl_rect_s *rect)
{
FAR struct vnc_session_s *session;
int ret;
DEBUGASSERT(pinfo != NULL && rect != NULL);
/* Recover the session information from the display number in the planeinfo
* structure.
*/
DEBUGASSERT(pinfo->display >= 0 && pinfo->display < RFB_MAX_DISPLAYS);
session = g_vnc_sessions[pinfo->display];
/* Verify that the session is still valid */
if (session != NULL && session->state == VNCSERVER_RUNNING)
{
/* Queue the rectangular update */
ret = vnc_update_rectangle(session, rect, true);
if (ret < 0)
{
gerr("ERROR: vnc_update_rectangle failed: %d\n", ret);
}
}
}
#endif

4
graphics/vnc/server/vnc_server.h
View File

@ -60,10 +60,6 @@
/* Configuration */ /* Configuration */
#ifndef CONFIG_NX_UPDATE
# error CONFIG_NX_UPDATE must be set to use VNC
#endif
#if !defined(CONFIG_VNCSERVER_PROTO3p3) && !defined(CONFIG_VNCSERVER_PROTO3p8) #if !defined(CONFIG_VNCSERVER_PROTO3p3) && !defined(CONFIG_VNCSERVER_PROTO3p8)
# error No VNC protocol selected # error No VNC protocol selected
#endif #endif

51
include/nuttx/nx/nx.h
View File

@ -205,7 +205,8 @@ struct nx_callback_s
**************************************************************************/ **************************************************************************/
#ifdef CONFIG_NX_KBD #ifdef CONFIG_NX_KBD
void (*kbdin)(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, FAR void *arg); void (*kbdin)(NXWINDOW hwnd, uint8_t nch,
FAR const uint8_t *ch, FAR void *arg);
#endif #endif
/************************************************************************** /**************************************************************************
@ -270,7 +271,7 @@ extern "C"
#endif #endif
/**************************************************************************** /****************************************************************************
* Public Functions * Public Function Prototypes
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
@ -383,8 +384,8 @@ int nx_eventhandler(NXHANDLE handle);
* client can then call nv_eventhandler() only when incoming events are * client can then call nv_eventhandler() only when incoming events are
* available. * available.
* *
* Only one such event is issued. Upon receipt of the signal, if the client * Only one such event is issued. Upon receipt of the signal, if the
* wishes further notifications, it must call nx_eventnotify again. * client wishes further notifications, it must call nx_eventnotify again.
* *
* Input Parameters: * Input Parameters:
* handle - the handle returned by nx_connect * handle - the handle returned by nx_connect
@ -726,7 +727,7 @@ bool nx_ishidden(NXWINDOW hwnd);
* *
* Description: * Description:
* Set a single pixel in the window to the specified color. This is simply * Set a single pixel in the window to the specified color. This is simply
* a degenerate case of nx_fill(), but may be optimized in some architectures. * a degenerate case of nx_fill but may be optimized in some architectures.
* *
* Input Parameters: * Input Parameters:
* wnd - The window structure reference * wnd - The window structure reference
@ -794,7 +795,8 @@ int nx_getrectangle(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
* Name: nx_filltrapezoid * Name: nx_filltrapezoid
* *
* Description: * Description:
* Fill the specified trapezoidal region in the window with the specified color * Fill the specified trapezoidal region in the window with the specified
* color
* *
* Input Parameters: * Input Parameters:
* hwnd - The window handle * hwnd - The window handle
@ -943,36 +945,6 @@ int nx_bitmap(NXWINDOW hwnd, FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES], FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin, unsigned int stride); FAR const struct nxgl_point_s *origin, unsigned int stride);
/****************************************************************************
* Name: nx_notify_rectangle
*
* Description:
* When CONFIG_NX_UPDATE=y, then the graphics system will callout to
* inform some external module that the display has been updated. This
* would be useful in a couple for cases.
*
* - When a serial LCD is used, but a framebuffer is used to access the
* LCD. In this case, the update callout can be used to refresh the
* affected region of the display.
*
* - When VNC is enabled. This is case, this callout is necessary to
* update the remote frame buffer to match the local framebuffer.
*
* When this feature is enabled, some external logic must provide this
* interface. This is the function that will handle the notification. It
* receives the rectangular region that was updated on the provided plane.
*
* NOTE: This function is also required for use with the LCD framebuffer
* driver front end when CONFIG_LCD_UPDATE=y, although that use does not
* depend on CONFIG_NX (and this function seems misnamed in that case).
*
****************************************************************************/
#if defined(CONFIG_NX_UPDATE) || defined(CONFIG_LCD_UPDATE)
void nx_notify_rectangle(FAR NX_PLANEINFOTYPE *pinfo,
FAR const struct nxgl_rect_s *rect);
#endif
/**************************************************************************** /****************************************************************************
* Name: nx_kbdin * Name: nx_kbdin
* *
@ -999,7 +971,8 @@ int nx_kbdin(NXHANDLE handle, uint8_t nch, FAR const uint8_t *ch);
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_NX_XYINPUT #ifdef CONFIG_NX_XYINPUT
int nx_mousein(NXHANDLE handle, nxgl_coord_t x, nxgl_coord_t y, uint8_t buttons); int nx_mousein(NXHANDLE handle, nxgl_coord_t x,
nxgl_coord_t y, uint8_t buttons);
#endif #endif
/**************************************************************************** /****************************************************************************
@ -1033,7 +1006,7 @@ void nx_redrawreq(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect);
* Name: nx_constructwindow * Name: nx_constructwindow
* *
* Description: * Description:
* This function is the same a nx_openwindow EXCEPT that the client provides * This function is the same as nx_openwindow EXCEPT the client provides
* the window structure instance. nx_constructwindow will initialize the * the window structure instance. nx_constructwindow will initialize the
* the pre-allocated window structure for use by NX. This function is * the pre-allocated window structure for use by NX. This function is
* provided in addition to nx_openwindow in order to support a kind of * provided in addition to nx_openwindow in order to support a kind of
@ -1041,7 +1014,7 @@ void nx_redrawreq(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect);
* are not visible to NX. * are not visible to NX.
* *
* NOTE: hwnd must have been allocated using a user-space allocator that * NOTE: hwnd must have been allocated using a user-space allocator that
* permits user access to the window. Once provided to nx_constructwindow() * permits user access to the window. Once provided to nx_constructwindow
* that memory is owned and managed by NX. On certain error conditions or * that memory is owned and managed by NX. On certain error conditions or
* when the window is closed, NX will free the window. * when the window is closed, NX will free the window.
* *

29
include/nuttx/nx/nxglib.h
View File

@ -65,6 +65,7 @@
#endif #endif
/* Driver Selection *********************************************************/ /* Driver Selection *********************************************************/
/* NX_DRIVERTYPE selects either the framebuffer or LCD driver; /* NX_DRIVERTYPE selects either the framebuffer or LCD driver;
* NX_PLANINFO_TYPE hides the difference in the framebuffer and LCD driver * NX_PLANINFO_TYPE hides the difference in the framebuffer and LCD driver
* plane types. defines are used instead of a typedefs to avoid type * plane types. defines are used instead of a typedefs to avoid type
@ -80,6 +81,7 @@
#endif #endif
/* NXGL Macros **************************************************************/ /* NXGL Macros **************************************************************/
/* Mnemonics for indices */ /* Mnemonics for indices */
#define NX_TOP_NDX (0) #define NX_TOP_NDX (0)
@ -144,6 +146,28 @@ void nxgl_rgb2yuv(uint8_t r, uint8_t g, uint8_t b,
void nxgl_yuv2rgb(uint8_t y, uint8_t u, uint8_t v, void nxgl_yuv2rgb(uint8_t y, uint8_t u, uint8_t v,
uint8_t *r, uint8_t *g, uint8_t *b); uint8_t *r, uint8_t *g, uint8_t *b);
/****************************************************************************
* Name: nxgl_area2rect
*
* Description:
* Convert nxgl_rect_s to fb_area_s.
*
****************************************************************************/
void nxgl_area2rect(FAR struct nxgl_rect_s *dest,
FAR const struct fb_area_s *src);
/****************************************************************************
* Name: nxgl_rect2area
*
* Description:
* Convert nxgl_rect_s to fb_area_s.
*
****************************************************************************/
void nxgl_rect2area(FAR struct fb_area_s *dest,
FAR const struct nxgl_rect_s *src);
/**************************************************************************** /****************************************************************************
* Name: nxgl_rectcopy * Name: nxgl_rectcopy
* *
@ -184,7 +208,8 @@ void nxgl_vectoradd(FAR struct nxgl_point_s *dest,
* Name: nxgl_vectsubtract * Name: nxgl_vectsubtract
* *
* Description: * Description:
* Add subtract vector v2 from vector v1 and return the result in vector dest * Add subtract vector v2 from vector v1 and return the result in vector
* dest
* *
****************************************************************************/ ****************************************************************************/
@ -196,7 +221,7 @@ void nxgl_vectsubtract(FAR struct nxgl_point_s *dest,
* Name: nxgl_rectintersect * Name: nxgl_rectintersect
* *
* Description: * Description:
* Return the rectangle representing the intersection of the two rectangles. * Return the rectangle representing the intersection of the two rectangles
* *
****************************************************************************/ ****************************************************************************/

31
include/nuttx/video/fb.h
View File

@ -245,11 +245,11 @@
* fb_setcursor_s */ * fb_setcursor_s */
#endif #endif
#ifdef CONFIG_LCD_UPDATE #ifdef CONFIG_FB_UPDATE
# define FBIO_UPDATE _FBIOC(0x0007) /* Update a rectangular region in # define FBIO_UPDATE _FBIOC(0x0007) /* Update a rectangular region in
* the framebuffer * the framebuffer
* Argument: read-only struct * Argument: read-only struct
* nxgl_rect_s */ * fb_area_s */
#endif #endif
#ifdef CONFIG_FB_SYNC #ifdef CONFIG_FB_SYNC
@ -324,15 +324,6 @@ struct fb_planeinfo_s
uint8_t bpp; /* Bits per pixel */ uint8_t bpp; /* Bits per pixel */
}; };
#ifdef CONFIG_FB_OVERLAY
/* This structure describes the transparency. */
struct fb_transp_s
{
uint8_t transp; /* Transparency */
uint8_t transp_mode; /* Transparency mode */
};
/* This structure describes an area. */ /* This structure describes an area. */
struct fb_area_s struct fb_area_s
@ -343,6 +334,15 @@ struct fb_area_s
fb_coord_t h; /* Height of the area */ fb_coord_t h; /* Height of the area */
}; };
#ifdef CONFIG_FB_OVERLAY
/* This structure describes the transparency. */
struct fb_transp_s
{
uint8_t transp; /* Transparency */
uint8_t transp_mode; /* Transparency mode */
};
/* This structure describes one overlay. */ /* This structure describes one overlay. */
struct fb_overlayinfo_s struct fb_overlayinfo_s
@ -511,6 +511,15 @@ struct fb_vtable_s
FAR struct fb_setcursor_s *settings); FAR struct fb_setcursor_s *settings);
#endif #endif
#ifdef CONFIG_FB_UPDATE
/* The following are provided only if the video hardware need extera
* notification to update display content.
*/
int (*updatearea)(FAR struct fb_vtable_s *vtable,
FAR const struct fb_area_s *area);
#endif
#ifdef CONFIG_FB_SYNC #ifdef CONFIG_FB_SYNC
/* The following are provided only if the video hardware signals /* The following are provided only if the video hardware signals
* vertical sync. * vertical sync.

10
libs/libnx/nxglib/Make.defs
View File

@ -44,11 +44,11 @@ CSRCS += nxglib_rgbblend.c
# Files needed only by NX # Files needed only by NX
ifeq ($(CONFIG_NX),y) ifeq ($(CONFIG_NX),y)
CSRCS += nxglib_circlepts.c nxglib_circletraps.c nxglib_intersecting.c CSRCS += nxgl_area2rect.c nxglib_circlepts.c nxglib_circletraps.c
CSRCS += nxglib_nonintersecting.c nxglib_nullrect.c nxglib_rectadd.c CSRCS += nxglib_intersecting.c nxglib_nonintersecting.c nxglib_nullrect.c
CSRCS += nxglib_rectcopy.c nxglib_rectinside.c nxglib_rectintersect.c CSRCS += nxgl_rect2area.c nxglib_rectadd.c nxglib_rectcopy.c nxglib_rectinside.c
CSRCS += nxglib_rectoffset.c nxglib_rectoverlap.c nxglib_rectsize.c CSRCS += nxglib_rectintersect.c nxglib_rectoffset.c nxglib_rectoverlap.c
CSRCS += nxglib_rectunion.c nxglib_rgb2yuv.c CSRCS += nxglib_rectsize.c nxglib_rectunion.c nxglib_rgb2yuv.c
CSRCS += nxglib_runcopy.c nxglib_runoffset.c nxglib_splitline.c CSRCS += nxglib_runcopy.c nxglib_runoffset.c nxglib_splitline.c
CSRCS += nxglib_trapcopy.c nxglib_trapoffset.c nxglib_vectoradd.c CSRCS += nxglib_trapcopy.c nxglib_trapoffset.c nxglib_vectoradd.c
CSRCS += nxglib_vectsubtract.c nxglib_yuv2rgb.c CSRCS += nxglib_vectsubtract.c nxglib_yuv2rgb.c

48
libs/libnx/nxglib/nxgl_area2rect.c Normal file
View File

@ -0,0 +1,48 @@
/****************************************************************************
* libs/libnx/nxglib/nxgl_area2rect.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/nx/nxglib.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxgl_area2rect
*
* Description:
* Convert fb_area_s to nxgl_rect_s.
*
****************************************************************************/
void nxgl_area2rect(FAR struct nxgl_rect_s *dest,
FAR const struct fb_area_s *src)
{
dest->pt1.x = src->x;
dest->pt1.y = src->y;
dest->pt2.x = src->x + src->w - 1;
dest->pt2.y = src->y + src->h - 1;
}

48
libs/libnx/nxglib/nxgl_rect2area.c Normal file
View File

@ -0,0 +1,48 @@
/****************************************************************************
* libs/libnx/nxglib/nxgl_rect2area.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/nx/nxglib.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxgl_rect2area
*
* Description:
* Convert nxgl_rect_s to fb_area_s.
*
****************************************************************************/
void nxgl_rect2area(FAR struct fb_area_s *dest,
FAR const struct nxgl_rect_s *src)
{
dest->x = src->pt1.x;
dest->y = src->pt1.y;
dest->w = src->pt2.x - src->pt1.x + 1;
dest->h = src->pt2.y - src->pt1.y + 1;
}