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/****************************************************************************
* apps/graphics/traveler/include/trv_graphics.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICS_H
#define __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICS_H
/****************************************************************************
* Included Files
****************************************************************************/
#include "trv_types.h"
#include <nuttx/video/fb.h>
#ifdef CONFIG_NX
# include <nuttx/nx/nx.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#if defined(CONFIG_GRAPHICS_TRAVELER_RGB16_565)
# define TRV_BPP 16
# define TRV_COLOR_FMT FB_FMT_RGB16_565
#elif defined(CONFIG_GRAPHICS_TRAVELER_RGB32_888)
# define TRV_BPP 32
# define TRV_COLOR_FMT FB_FMT_RGB32
#else
# error No color format defined
#endif
#define MAX_REND_WIDTH 480
#define MAX_REND_HEIGHT 240
/****************************************************************************
* Public Types
****************************************************************************/
#if TRV_BPP == 16
typedef uint16_t dev_pixel_t; /* Width of one hardware pixel */
#elif TRV_BPP == 32
typedef uint32_t dev_pixel_t; /* Width of one hardware pixel */
#endif
struct trv_palette_s
{
int ncolors; /* Number of colors in the look-up table */
FAR dev_pixel_t *lut; /* Color lookup table */
};
struct trv_graphics_info_s
{
#ifdef CONFIG_NX
NXHANDLE hnx; /* The connection handle */
NXHANDLE bgwnd; /* Background window handle */
#else
trv_coord_t xoffset; /* Horizontal offset to start of data (pixels) */
trv_coord_t yoffset; /* Vertical offset to start of data (rows) */
trv_coord_t stride; /* Length of a line (bytes) */
#endif
trv_coord_t xres; /* Physical display width (pixels) */
trv_coord_t yres; /* Physical display height (rows) */
trv_coord_t imgwidth; /* Width of visible display region (bytes) */
uint8_t xscale; /* Horizontal image scale factor */
uint8_t yscale; /* Vertical image scale factor */
struct trv_palette_s palette; /* Color palette */
FAR dev_pixel_t *hwbuffer; /* Hardware frame buffer */
FAR trv_pixel_t *swbuffer; /* Software render buffer */
};
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef CONFIG_NX
extern FAR const struct nx_callback_s *g_trv_nxcallback;
extern sem_t g_trv_nxevent;
extern volatile bool g_trv_nxresolution;
#ifdef CONFIG_NX_MULTIUSER
extern volatile bool g_trv_nxrconnected;
#endif
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int trv_graphics_initialize(FAR struct trv_graphics_info_s *ginfo);
void trv_graphics_terminate(FAR struct trv_graphics_info_s *ginfo);
trv_pixel_t trv_graphics_index2pixel(int index);
void trv_display_update(struct trv_graphics_info_s *fb);
trv_pixel_t *trv_get_renderbuffer(uint16_t width, uint16_t height);
#ifdef CONFIG_NX_MULTIUSER
FAR void *trv_nxlistener(FAR void *arg)
#endif
#endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_GRAPHICS_H */
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