diff options
Diffstat (limited to 'nuttx/graphics/nxbe/nxbe_configure.c')
-rw-r--r-- | nuttx/graphics/nxbe/nxbe_configure.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/nuttx/graphics/nxbe/nxbe_configure.c b/nuttx/graphics/nxbe/nxbe_configure.c new file mode 100644 index 000000000..80c71db3a --- /dev/null +++ b/nuttx/graphics/nxbe/nxbe_configure.c @@ -0,0 +1,219 @@ +/**************************************************************************** + * graphics/nxbe/nxbe_configure.c + * + * Copyright (C) 2008-2010 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stddef.h> +#include <errno.h> +#include <debug.h> + +#include "nxbe.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxbe_configure + * + * Description: + * Configure the back end state structure based on information from the + * framebuffer driver + * + ****************************************************************************/ + +int nxbe_configure(FAR NX_DRIVERTYPE *dev, FAR struct nxbe_state_s *be) +{ + int ret; + int i; + + /* Get the video controller configuration */ + + ret = dev->getvideoinfo(dev, &be->vinfo); + if (ret < 0) + { + gdbg("Failed to get vinfo\n"); + return ret; + } + + /* Check the number of color planes */ + +#ifdef CONFIG_DEBUG + if (be->vinfo.nplanes > CONFIG_NX_NPLANES) + { + gdbg("NX configured for only %d planes, controller wants %d\n", + CONFIG_NX_NPLANES, be->vinfo.nplanes); + return -E2BIG; + } + else if (be->vinfo.nplanes < CONFIG_NX_NPLANES) + { + gdbg("NX configured for %d planes, controller only needs %d\n", + CONFIG_NX_NPLANES, be->vinfo.nplanes); + } +#endif + + /* Then get information about each color plane */ + + for (i = 0; i < be->vinfo.nplanes; i++) + { + ret = dev->getplaneinfo(dev, i, &be->plane[i].pinfo); + if (ret < 0) + { + gdbg("Failed to get pinfo[%d]\n", i); + return ret; + } + + /* Select rasterizers to match the BPP reported for this plane. + * NOTE that there are configuration options to eliminate support + * for unused BPP values. If the unused BPP values are not suppressed + * in this way, then ALL rasterizers will be drawn into the link and + * will signicantly increase the size + */ + +#ifndef CONFIG_NX_DISABLE_1BPP + if (be->plane[i].pinfo.bpp == 1) + { + be->plane[i].setpixel = nxgl_setpixel_1bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_1bpp; + be->plane[i].getrectangle = nxgl_getrectangle_1bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_1bpp; + be->plane[i].moverectangle = nxgl_moverectangle_1bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_1bpp; + } + else +#endif +#ifndef CONFIG_NX_DISABLE_2BPP + if (be->plane[i].pinfo.bpp == 2) + { + be->plane[i].setpixel = nxgl_setpixel_2bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_2bpp; + be->plane[i].getrectangle = nxgl_getrectangle_2bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_2bpp; + be->plane[i].moverectangle = nxgl_moverectangle_2bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_2bpp; + } + else +#endif +#ifndef CONFIG_NX_DISABLE_4BPP + if (be->plane[i].pinfo.bpp == 4) + { + be->plane[i].setpixel = nxgl_setpixel_4bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_4bpp; + be->plane[i].getrectangle = nxgl_getrectangle_4bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_4bpp; + be->plane[i].moverectangle = nxgl_moverectangle_4bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_4bpp; + } + else +#endif +#ifndef CONFIG_NX_DISABLE_8BPP + if (be->plane[i].pinfo.bpp == 8) + { + be->plane[i].setpixel = nxgl_setpixel_8bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_8bpp; + be->plane[i].getrectangle = nxgl_getrectangle_8bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_8bpp; + be->plane[i].moverectangle = nxgl_moverectangle_8bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_8bpp; + } + else +#endif +#ifndef CONFIG_NX_DISABLE_16BPP + if (be->plane[i].pinfo.bpp == 16) + { + be->plane[i].setpixel = nxgl_setpixel_16bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_16bpp; + be->plane[i].getrectangle = nxgl_getrectangle_16bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_16bpp; + be->plane[i].moverectangle = nxgl_moverectangle_16bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_16bpp; + } + else +#endif +#ifndef CONFIG_NX_DISABLE_24BPP + if (be->plane[i].pinfo.bpp == 24) + { + be->plane[i].setpixel = nxgl_setpixel_24bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_24bpp; + be->plane[i].getrectangle = nxgl_getrectangle_24bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_24bpp; + be->plane[i].moverectangle = nxgl_moverectangle_24bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_24bpp; + } + else +#endif +#ifndef CONFIG_NX_DISABLE_32BPP + if (be->plane[i].pinfo.bpp == 32) + { + be->plane[i].setpixel = nxgl_setpixel_32bpp; + be->plane[i].fillrectangle = nxgl_fillrectangle_32bpp; + be->plane[i].getrectangle = nxgl_getrectangle_32bpp; + be->plane[i].filltrapezoid = nxgl_filltrapezoid_32bpp; + be->plane[i].moverectangle = nxgl_moverectangle_32bpp; + be->plane[i].copyrectangle = nxgl_copyrectangle_32bpp; + } + else +#endif + { + gdbg("Unsupported pinfo[%d] BPP: %d\n", i, be->plane[i].pinfo.bpp); + return -ENOSYS; + } + } + return OK; +} |