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