874 lines
31 KiB
C
874 lines
31 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file include/gdisp/lld/gdisp_lld.h
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* @brief GDISP Graphic Driver subsystem low level driver header.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef _GDISP_LLD_H
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#define _GDISP_LLD_H
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#if GFX_USE_GDISP // || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Error checks. */
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/*===========================================================================*/
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#if GDISP_TOTAL_CONTROLLERS > 1 && !defined(GDISP_DRIVER_VMT)
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#define HARDWARE_AUTODETECT 2
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#define HARDWARE_DEFAULT HARDWARE_AUTODETECT
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#else
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#define HARDWARE_AUTODETECT 2
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#define HARDWARE_DEFAULT FALSE
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#endif
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/**
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* @name GDISP hardware accelerated support
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* @{
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*/
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/**
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* @brief The display hardware can benefit from being flushed.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note Some controllers ** require ** the application to flush
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*/
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#ifndef GDISP_HARDWARE_FLUSH
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#define GDISP_HARDWARE_FLUSH HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware streaming writing is supported.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by each driver
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*/
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#ifndef GDISP_HARDWARE_STREAM_WRITE
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#define GDISP_HARDWARE_STREAM_WRITE HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware streaming reading of the display surface is supported.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*
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*/
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#ifndef GDISP_HARDWARE_STREAM_READ
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#define GDISP_HARDWARE_STREAM_READ HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware supports setting the cursor position within the stream window.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note This is used to optimise setting of individual pixels within a stream window.
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* It should therefore not be implemented unless it is cheaper than just setting
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* a new window.
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*/
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#ifndef GDISP_HARDWARE_STREAM_POS
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#define GDISP_HARDWARE_STREAM_POS HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware accelerated draw pixel.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by the driver
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*/
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#ifndef GDISP_HARDWARE_DRAWPIXEL
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#define GDISP_HARDWARE_DRAWPIXEL HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware accelerated screen clears.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note This clears the entire display surface regardless of the clipping area currently set
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*/
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#ifndef GDISP_HARDWARE_CLEARS
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#define GDISP_HARDWARE_CLEARS HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware accelerated rectangular fills.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*/
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#ifndef GDISP_HARDWARE_FILLS
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#define GDISP_HARDWARE_FILLS HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware accelerated fills from an image.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*/
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#ifndef GDISP_HARDWARE_BITFILLS
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#define GDISP_HARDWARE_BITFILLS HARDWARE_DEFAULT
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#endif
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/**
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* @brief Hardware accelerated scrolling.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*/
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#ifndef GDISP_HARDWARE_SCROLL
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#define GDISP_HARDWARE_SCROLL HARDWARE_DEFAULT
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#endif
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/**
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* @brief Reading back of pixel values.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*/
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#ifndef GDISP_HARDWARE_PIXELREAD
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#define GDISP_HARDWARE_PIXELREAD HARDWARE_DEFAULT
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#endif
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/**
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* @brief The driver supports one or more control commands.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*/
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#ifndef GDISP_HARDWARE_CONTROL
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#define GDISP_HARDWARE_CONTROL HARDWARE_DEFAULT
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#endif
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/**
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* @brief The driver supports a non-standard query.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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*/
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#ifndef GDISP_HARDWARE_QUERY
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#define GDISP_HARDWARE_QUERY HARDWARE_DEFAULT
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#endif
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/**
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* @brief The driver supports a clipping in hardware.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note If this is defined the driver must perform its own clipping on all calls to
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* the driver and respond appropriately if a parameter is outside the display area.
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* @note If this is not defined then the software ensures that all calls to the
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* driver do not exceed the display area (provided GDISP_NEED_CLIP or GDISP_NEED_VALIDATION
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* has been set).
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*/
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#ifndef GDISP_HARDWARE_CLIP
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#define GDISP_HARDWARE_CLIP HARDWARE_DEFAULT
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#endif
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/** @} */
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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struct GDisplay {
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// The public GDISP stuff - must be the first element
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GDISPControl g;
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#if GDISP_TOTAL_CONTROLLERS > 1
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const struct GDISPVMT const * vmt; // The Virtual Method Table
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#endif
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void * priv; // A private area just for the drivers use.
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void * board; // A private area just for the board interfaces use.
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uint8_t systemdisplay;
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uint8_t controllerdisplay;
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uint16_t flags;
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#define GDISP_FLG_INSTREAM 0x0001 // We are in a user based stream operation
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#define GDISP_FLG_SCRSTREAM 0x0002 // The stream area currently covers the whole screen
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#define GDISP_FLG_DRIVER 0x0004 // This flags and above are for use by the driver
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// Multithread Mutex
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#if GDISP_NEED_MULTITHREAD
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gfxMutex mutex;
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#endif
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// Software clipping
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#if GDISP_HARDWARE_CLIP != TRUE && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION)
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coord_t clipx0, clipy0;
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coord_t clipx1, clipy1; /* not inclusive */
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#endif
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// Driver call parameters
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struct {
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coord_t x, y;
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coord_t cx, cy;
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coord_t x1, y1;
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coord_t x2, y2;
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color_t color;
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void *ptr;
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} p;
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// In call working buffers
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#if GDISP_NEED_TEXT
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// Text rendering parameters
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struct {
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font_t font;
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color_t color;
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color_t bgcolor;
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coord_t clipx0, clipy0;
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coord_t clipx1, clipy1;
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} t;
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#endif
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#if GDISP_LINEBUF_SIZE != 0 && ((GDISP_NEED_SCROLL && !GDISP_HARDWARE_SCROLL) || (!GDISP_HARDWARE_STREAM_WRITE && GDISP_HARDWARE_BITFILLS))
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// A pixel line buffer
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color_t linebuf[GDISP_LINEBUF_SIZE];
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#endif
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};
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#if GDISP_TOTAL_CONTROLLERS == 1 || defined(GDISP_DRIVER_VMT) || defined(__DOXYGEN__)
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#if GDISP_TOTAL_CONTROLLERS > 1
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#define LLDSPEC static
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#else
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#define LLDSPEC
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Initialize the driver.
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* @return TRUE if successful.
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* @param[in] g The driver structure
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* @param[out] g->g The driver must fill in the GDISPControl structure
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*/
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LLDSPEC bool_t gdisp_lld_init(GDisplay *g);
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#if GDISP_HARDWARE_FLUSH || defined(__DOXYGEN__)
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/**
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* @brief Flush the current drawing operations to the display
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* @pre GDISP_HARDWARE_FLUSH is TRUE
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*
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* @param[in] g The driver structure
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_flush(GDisplay *g);
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#endif
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#if GDISP_HARDWARE_STREAM_WRITE || defined(__DOXYGEN__)
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/**
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* @brief Start a streamed write operation
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* @pre GDISP_HARDWARE_STREAM_WRITE is TRUE
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*
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* @param[in] g The driver structure
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*
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* @note g->p.x,g->p.y The window position
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* @note g->p.cx,g->p.cy The window size
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*
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* @note The parameter variables must not be altered by the driver.
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* @note Streaming operations that wrap the defined window have
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* undefined results.
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* @note This must be followed by a call to @p gdisp_lld_write_pos() if GDISP_HARDWARE_STREAM_POS is TRUE.
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*/
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LLDSPEC void gdisp_lld_write_start(GDisplay *g);
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/**
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* @brief Send a pixel to the current streaming position and then increment that position
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* @pre GDISP_HARDWARE_STREAM_WRITE is TRUE
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*
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* @param[in] g The driver structure
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*
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* @note g->p.color The color to display at the curent position
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_write_color(GDisplay *g);
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/**
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* @brief End the current streaming write operation
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* @pre GDISP_HARDWARE_STREAM_WRITE is TRUE
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*
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* @param[in] g The driver structure
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_write_stop(GDisplay *g);
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#if GDISP_HARDWARE_STREAM_POS || defined(__DOXYGEN__)
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/**
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* @brief Change the current position within the current streaming window
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* @pre GDISP_HARDWARE_STREAM_POS is TRUE and GDISP_HARDWARE_STREAM_WRITE is TRUE
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The new position (which will always be within the existing stream window)
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_write_pos(GDisplay *g);
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#endif
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#endif
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#if GDISP_HARDWARE_STREAM_READ || defined(__DOXYGEN__)
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/**
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* @brief Start a streamed read operation
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* @pre GDISP_HARDWARE_STREAM_READ is TRUE
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The window position
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* @param[in] g->p.cx,g->p.cy The window size
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*
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* @note The parameter variables must not be altered by the driver.
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* @note Streaming operations that wrap the defined window have
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* undefined results.
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*/
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LLDSPEC void gdisp_lld_read_start(GDisplay *g);
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/**
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* @brief Read a pixel from the current streaming position and then increment that position
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* @return The color at the current position
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* @pre GDISP_HARDWARE_STREAM_READ is TRUE
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*
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* @param[in] g The driver structure
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC color_t gdisp_lld_read_color(GDisplay *g);
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/**
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* @brief End the current streaming operation
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* @pre GDISP_HARDWARE_STREAM_READ is TRUE
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*
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* @param[in] g The driver structure
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_read_stop(GDisplay *g);
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#endif
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#if GDISP_HARDWARE_DRAWPIXEL || defined(__DOXYGEN__)
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/**
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* @brief Draw a pixel
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* @pre GDISP_HARDWARE_DRAWPIXEL is TRUE
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The pixel position
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* @param[in] g->p.color The color to set
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g);
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#endif
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#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
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/**
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* @brief Clear the screen using the defined color
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* @pre GDISP_HARDWARE_CLEARS is TRUE
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*
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* @param[in] g The driver structure
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* @param[in] g->p.color The color to set
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_clear(GDisplay *g);
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#endif
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#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
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/**
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* @brief Fill an area with a single color
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* @pre GDISP_HARDWARE_FILLS is TRUE
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The area position
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* @param[in] g->p.cx,g->p.cy The area size
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* @param[in] g->p.color The color to set
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_fill_area(GDisplay *g);
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#endif
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#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
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/**
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* @brief Fill an area using a bitmap
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* @pre GDISP_HARDWARE_BITFILLS is TRUE
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The area position
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* @param[in] g->p.cx,g->p.cy The area size
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* @param[in] g->p.x1,g->p.y1 The starting position in the bitmap
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* @param[in] g->p.x2 The width of a bitmap line
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* @param[in] g->p.ptr The pointer to the bitmap
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_blit_area(GDisplay *g);
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#endif
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#if GDISP_HARDWARE_PIXELREAD || defined(__DOXYGEN__)
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/**
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* @brief Read a pixel from the display
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* @return The color at the defined position
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* @pre GDISP_HARDWARE_PIXELREAD is TRUE (and the application needs it)
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The pixel position
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g);
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#endif
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#if (GDISP_HARDWARE_SCROLL && GDISP_NEED_SCROLL) || defined(__DOXYGEN__)
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/**
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* @brief Scroll an area of the screen
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* @pre GDISP_HARDWARE_SCROLL is TRUE (and the application needs it)
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x,g->p.y The area position
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* @param[in] g->p.cx,g->p.cy The area size
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* @param[in] g->p.y1 The number of lines to scroll (positive or negative)
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*
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* @note The parameter variables must not be altered by the driver.
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* @note This can be easily implemented if the hardware supports
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* display area to display area copying.
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* @note Clearing the exposed area on the scroll operation is not
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* needed as the high level code handles this.
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*/
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LLDSPEC void gdisp_lld_vertical_scroll(GDisplay *g);
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#endif
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#if (GDISP_HARDWARE_CONTROL && GDISP_NEED_CONTROL) || defined(__DOXYGEN__)
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/**
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* @brief Control some feature of the hardware
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* @pre GDISP_HARDWARE_CONTROL is TRUE (and the application needs it)
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x The operation to perform
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* @param[in] g->p.ptr The operation parameter
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void gdisp_lld_control(GDisplay *g);
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#endif
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#if (GDISP_HARDWARE_QUERY && GDISP_NEED_QUERY) || defined(__DOXYGEN__)
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/**
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* @brief Query some feature of the hardware
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* @return The information requested (typecast as void *)
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* @pre GDISP_HARDWARE_QUERY is TRUE (and the application needs it)
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*
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* @param[in] g The driver structure
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* @param[in] g->p.x What to query
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*
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* @note The parameter variables must not be altered by the driver.
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*/
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LLDSPEC void *gdisp_lld_query(GDisplay *g); // Uses p.x (=what);
|
|
#endif
|
|
|
|
#if (GDISP_HARDWARE_CLIP && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION)) || defined(__DOXYGEN__)
|
|
/**
|
|
* @brief Set the hardware clipping area
|
|
* @pre GDISP_HARDWARE_CLIP is TRUE (and the application needs it)
|
|
*
|
|
* @param[in] g The driver structure
|
|
* @param[in] g->p.x,g->p.y The area position
|
|
* @param[in] g->p.cx,g->p.cy The area size
|
|
*
|
|
* @note The parameter variables must not be altered by the driver.
|
|
*/
|
|
LLDSPEC void gdisp_lld_set_clip(GDisplay *g);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif // GDISP_TOTAL_CONTROLLERS == 1 || defined(GDISP_DRIVER_VMT)
|
|
|
|
|
|
#if GDISP_TOTAL_CONTROLLERS > 1
|
|
|
|
typedef struct GDISPVMT {
|
|
bool_t (*init)(GDisplay *g);
|
|
void (*writestart)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy
|
|
void (*writepos)(GDisplay *g); // Uses p.x,p.y
|
|
void (*writecolor)(GDisplay *g); // Uses p.color
|
|
void (*writestop)(GDisplay *g); // Uses no parameters
|
|
void (*readstart)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy
|
|
color_t (*readcolor)(GDisplay *g); // Uses no parameters
|
|
void (*readstop)(GDisplay *g); // Uses no parameters
|
|
void (*pixel)(GDisplay *g); // Uses p.x,p.y p.color
|
|
void (*clear)(GDisplay *g); // Uses p.color
|
|
void (*fill)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy p.color
|
|
void (*blit)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy p.x1,p.y1 (=srcx,srcy) p.x2 (=srccx), p.ptr (=buffer)
|
|
color_t (*get)(GDisplay *g); // Uses p.x,p.y
|
|
void (*vscroll)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy, p.y1 (=lines) p.color
|
|
void (*control)(GDisplay *g); // Uses p.x (=what) p.ptr (=value)
|
|
void *(*query)(GDisplay *g); // Uses p.x (=what);
|
|
void (*setclip)(GDisplay *g); // Uses p.x,p.y p.cx,p.cy
|
|
void (*flush)(GDisplay *g); // Uses no parameters
|
|
} GDISPVMT;
|
|
|
|
#if defined(GDISP_DRIVER_VMT)
|
|
#if !GDISP_HARDWARE_STREAM_WRITE && !GDISP_HARDWARE_DRAWPIXEL
|
|
#error "GDISP Driver: Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be TRUE"
|
|
#endif
|
|
const GDISPVMT const GDISP_DRIVER_VMT[1] = {{
|
|
gdisp_lld_init,
|
|
#if GDISP_HARDWARE_FLUSH
|
|
gdisp_lld_flush,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_STREAM_WRITE
|
|
gdisp_lld_write_start,
|
|
#if GDISP_HARDWARE_STREAM_POS
|
|
gdisp_lld_write_pos,
|
|
#else
|
|
0,
|
|
#endif
|
|
gdisp_lld_write_color,
|
|
gdisp_lld_write_stop,
|
|
#else
|
|
0, 0, 0, 0,
|
|
#endif
|
|
#if GDISP_HARDWARE_STREAM_READ
|
|
gdisp_lld_read_start,
|
|
gdisp_lld_read_color,
|
|
gdisp_lld_read_stop,
|
|
#else
|
|
0, 0, 0,
|
|
#endif
|
|
#if GDISP_HARDWARE_DRAWPIXEL
|
|
gdisp_lld_draw_pixel,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_CLEARS
|
|
gdisp_lld_clear,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_FILLS
|
|
gdisp_lld_fill_area,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_BITFILLS
|
|
gdisp_lld_blit_area,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_PIXELREAD
|
|
gdisp_lld_get_pixel_color,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_SCROLL && GDISP_NEED_SCROLL
|
|
gdisp_lld_vertical_scroll,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_CONTROL && GDISP_NEED_CONTROL
|
|
gdisp_lld_control,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_QUERY && GDISP_NEED_QUERY
|
|
gdisp_lld_query,
|
|
#else
|
|
0,
|
|
#endif
|
|
#if GDISP_HARDWARE_CLIP && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION)
|
|
gdisp_lld_set_clip,
|
|
#else
|
|
0,
|
|
#endif
|
|
}};
|
|
|
|
#else
|
|
#define gdisp_lld_init(g) g->vmt->init(g)
|
|
#define gdisp_lld_flush(g) g->vmt->flush(g)
|
|
#define gdisp_lld_write_start(g) g->vmt->writestart(g)
|
|
#define gdisp_lld_write_pos(g) g->vmt->writepos(g)
|
|
#define gdisp_lld_write_color(g) g->vmt->writecolor(g)
|
|
#define gdisp_lld_write_stop(g) g->vmt->writestop(g)
|
|
#define gdisp_lld_read_start(g) g->vmt->readstart(g)
|
|
#define gdisp_lld_read_color(g) g->vmt->readcolor(g)
|
|
#define gdisp_lld_read_stop(g) g->vmt->readstop(g)
|
|
#define gdisp_lld_draw_pixel(g) g->vmt->pixel(g)
|
|
#define gdisp_lld_clear(g) g->vmt->clear(g)
|
|
#define gdisp_lld_fill_area(g) g->vmt->fill(g)
|
|
#define gdisp_lld_blit_area(g) g->vmt->blit(g)
|
|
#define gdisp_lld_get_pixel_color(g) g->vmt->get(g)
|
|
#define gdisp_lld_vertical_scroll(g) g->vmt->vscroll(g)
|
|
#define gdisp_lld_control(g) g->vmt->control(g)
|
|
#define gdisp_lld_query(g) g->vmt->query(g)
|
|
#define gdisp_lld_set_clip(g) g->vmt->setclip(g)
|
|
#endif // GDISP_LLD_DECLARATIONS
|
|
|
|
#endif // GDISP_TOTAL_CONTROLLERS > 1
|
|
|
|
/* Verify information for packed pixels and define a non-packed pixel macro */
|
|
#if !GDISP_PACKED_PIXELS
|
|
#define gdispPackPixels(buf,cx,x,y,c) { ((color_t *)(buf))[(y)*(cx)+(x)] = (c); }
|
|
#elif !GDISP_HARDWARE_BITFILLS
|
|
#error "GDISP: packed pixel formats are only supported for hardware accelerated drivers."
|
|
#elif GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB888 \
|
|
&& GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB444 \
|
|
&& GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_RGB666 \
|
|
&& GDISP_PIXELFORMAT != GDISP_PIXELFORMAT_CUSTOM
|
|
#error "GDISP: A packed pixel format has been specified for an unsupported pixel format."
|
|
#endif
|
|
|
|
/* Support routine for packed pixel formats */
|
|
#if !defined(gdispPackPixels) || defined(__DOXYGEN__)
|
|
/**
|
|
* @brief Pack a pixel into a pixel buffer.
|
|
* @note This function performs no buffer boundary checking
|
|
* regardless of whether GDISP_NEED_CLIP has been specified.
|
|
*
|
|
* @param[in] buf The buffer to put the pixel in
|
|
* @param[in] cx The width of a pixel line
|
|
* @param[in] x, y The location of the pixel to place
|
|
* @param[in] color The color to put into the buffer
|
|
*
|
|
* @api
|
|
*/
|
|
void gdispPackPixels(const pixel_t *buf, coord_t cx, coord_t x, coord_t y, color_t color);
|
|
#endif
|
|
|
|
/* Low level driver pixel format information */
|
|
//-------------------------
|
|
// True-Color color system
|
|
//-------------------------
|
|
#if GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_TRUECOLOR
|
|
#define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_TRUECOLOR
|
|
|
|
// Calculate the number of bits
|
|
#define LLDCOLOR_BITS_R ((GDISP_LLD_PIXELFORMAT>>8) & 0x0F)
|
|
#define LLDCOLOR_BITS_G ((GDISP_LLD_PIXELFORMAT>>4) & 0x0F)
|
|
#define LLDCOLOR_BITS_B ((GDISP_LLD_PIXELFORMAT>>0) & 0x0F)
|
|
#define LLDCOLOR_BITS (LLDCOLOR_BITS_R + LLDCOLOR_BITS_G + LLDCOLOR_BITS_B)
|
|
|
|
// From the number of bits determine COLOR_TYPE, COLOR_TYPE_BITS and masking
|
|
#if LLDCOLOR_BITS <= 8
|
|
#define LLDCOLOR_TYPE uint8_t
|
|
#define LLDCOLOR_TYPE_BITS 8
|
|
#elif LLDCOLOR_BITS <= 16
|
|
#define LLDCOLOR_TYPE uint16_t
|
|
#define LLDCOLOR_TYPE_BITS 16
|
|
#elif LLDCOLOR_BITS <= 32
|
|
#define LLDCOLOR_TYPE uint32_t
|
|
#define LLDCOLOR_TYPE_BITS 32
|
|
#else
|
|
#error "GDISP: Cannot define low level driver color types with more than 32 bits"
|
|
#endif
|
|
#if LLDCOLOR_TYPE_BITS == LLDCOLOR_BITS
|
|
#define LLDCOLOR_NEEDS_MASK FALSE
|
|
#else
|
|
#define LLDCOLOR_NEEDS_MASK TRUE
|
|
#endif
|
|
#define LLDCOLOR_MASK() ((1 << LLDCOLOR_BITS)-1)
|
|
|
|
// Calculate the component bit shifts
|
|
#if (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_RGB
|
|
#define LLDCOLOR_SHIFT_R (LLDCOLOR_BITS_B+LLDCOLOR_BITS_G)
|
|
#define LLDCOLOR_SHIFT_G LLDCOLOR_BITS_B
|
|
#define LLDCOLOR_SHIFT_B 0
|
|
#else
|
|
#define LLDCOLOR_SHIFT_B (LLDCOLOR_BITS_R+LLDCOLOR_BITS_G)
|
|
#define LLDCOLOR_SHIFT_G LLDCOLOR_BITS_R
|
|
#define LLDCOLOR_SHIFT_R 0
|
|
#endif
|
|
|
|
// Calculate LLDRED_OF, LLDGREEN_OF, LLDBLUE_OF and LLDRGB2COLOR
|
|
#if LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R == 8
|
|
#define LLDRED_OF(c) ((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R))
|
|
#define LLDRGB2COLOR_R(r) ((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))))
|
|
#elif LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R > 8
|
|
#define LLDRED_OF(c) (((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) >> (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-8))
|
|
#define LLDRGB2COLOR_R(r) (((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) << (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-8))
|
|
#else // LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R < 8
|
|
#define LLDRED_OF(c) (((c) & (((1<<LLDCOLOR_BITS_R)-1) << LLDCOLOR_SHIFT_R)) << (8-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R)))
|
|
#define LLDRGB2COLOR_R(r) (((LLDCOLOR_TYPE)((r) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1)))) >> (8-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R)))
|
|
#endif
|
|
#if LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G == 8
|
|
#define LLDGREEN_OF(c) ((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G))
|
|
#define LLDRGB2COLOR_G(g) ((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))))
|
|
#elif LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G > 8
|
|
#define LLDGREEN_OF(c) (((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) >> (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-8))
|
|
#define LLDRGB2COLOR_G(g) (((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) << (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-8))
|
|
#else // LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G < 8
|
|
#define LLDGREEN_OF(c) (((c) & (((1<<LLDCOLOR_BITS_G)-1) << LLDCOLOR_SHIFT_G)) << (8-(LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G)))
|
|
#define LLDRGB2COLOR_G(g) (((LLDCOLOR_TYPE)((g) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1)))) >> (8-(LLDCOLOR_BITS_LLDG+COLOR_SHIFT_G)))
|
|
#endif
|
|
#if LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B == 8
|
|
#define LLDBLUE_OF(c) ((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B))
|
|
#define LLDRGB2COLOR_B(b) ((LLDCOLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))))
|
|
#elif LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B > 8
|
|
#define LLDBLUE_OF(c) (((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) >> (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8))
|
|
#define LLDRGB2COLOR_B(b) (((LLDCOLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) << (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8))
|
|
#else // LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B < 8
|
|
#define LLDBLUE_OF(c) (((c) & (((1<<LLDCOLOR_BITS_B)-1) << LLDCOLOR_SHIFT_B)) << (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B)))
|
|
#define LLDRGB2COLOR_B(b) (((COLOR_TYPE)((b) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))) >> (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B)))
|
|
#endif
|
|
#define LLDLUMA_OF(c) ((LLDRED_OF(c)+((uint16_t)LLDGREEN_OF(c)<<1)+LLDBLUE_OF(c))>>2)
|
|
#define LLDEXACT_RED_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_R)&((1<<LLDCOLOR_BITS_R)-1))*255)/((1<<LLDCOLOR_BITS_R)-1))
|
|
#define LLDEXACT_GREEN_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_G)&((1<<LLDCOLOR_BITS_G)-1))*255)/((1<<LLDCOLOR_BITS_G)-1))
|
|
#define LLDEXACT_BLUE_OF(c) (((uint16_t)(((c)>>LLDCOLOR_SHIFT_B)&((1<<LLDCOLOR_BITS_B)-1))*255)/((1<<LLDCOLOR_BITS_B)-1))
|
|
#define LLDEXACT_LUMA_OF(c) ((LLDEXACT_RED_OF(c)+((uint16_t)LLDEXACT_GREEN_OF(c)<<1)+LLDEXACT_BLUE_OF(c))>>2)
|
|
#define LLDLUMA2COLOR(l) (LLDRGB2COLOR_R(l) | LLDRGB2COLOR_G(l) | LLDRGB2COLOR_B(l))
|
|
#define LLDRGB2COLOR(r,g,b) (LLDRGB2COLOR_R(r) | LLDRGB2COLOR_G(g) | LLDRGB2COLOR_B(b))
|
|
|
|
// Calculate LLDHTML2COLOR
|
|
#if LLDCOLOR_BITS_R + LLDCOLOR_SHIFT_R == 24
|
|
#define LLDHTML2COLOR_R(h) ((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16))
|
|
#elif COLOR_BITS_R + COLOR_SHIFT_R > 24
|
|
#define LLDHTML2COLOR_R(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) << (LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R-24))
|
|
#else // COLOR_BITS_R + COLOR_SHIFT_R < 24
|
|
#define LLDHTML2COLOR_R(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_R))-1))<<16)) >> (24-(LLDCOLOR_BITS_R+LLDCOLOR_SHIFT_R)))
|
|
#endif
|
|
#if LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G == 16
|
|
#define LLDHTML2COLOR_G(h) ((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8))
|
|
#elif LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G > 16
|
|
#define LLDHTML2COLOR_G(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) << (LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G-16))
|
|
#else // LLDCOLOR_BITS_G + LLDCOLOR_SHIFT_G < 16
|
|
#define LLDHTML2COLOR_G(h) (((h) & ((0xFF & ~((1<<(8-LLDCOLOR_BITS_G))-1))<<8)) >> (16-(LLDCOLOR_BITS_G+LLDCOLOR_SHIFT_G)))
|
|
#endif
|
|
#if LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B == 8
|
|
#define LLDHTML2COLOR_B(h) ((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1)))
|
|
#elif LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B > 8
|
|
#define LLDHTML2COLOR_B(h) (((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) << (LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B-8))
|
|
#else // LLDCOLOR_BITS_B + LLDCOLOR_SHIFT_B < 8
|
|
#define LLDHTML2COLOR_B(h) (((h) & (0xFF & ~((1<<(8-LLDCOLOR_BITS_B))-1))) >> (8-(LLDCOLOR_BITS_B+LLDCOLOR_SHIFT_B)))
|
|
#endif
|
|
#define LLDHTML2COLOR(h) ((LLDCOLOR_TYPE)(LLDHTML2COLOR_R(h) | LLDHTML2COLOR_G(h) | LLDHTML2COLOR_B(h)))
|
|
|
|
//-------------------------
|
|
// Gray-scale color system
|
|
//-------------------------
|
|
#elif (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_GRAYSCALE
|
|
#define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_GRAYSCALE
|
|
|
|
// Calculate the number of bits and shifts
|
|
#define LLDCOLOR_BITS (GDISP_LLD_PIXELFORMAT & 0xFF)
|
|
#define LLDCOLOR_BITS_R LLDCOLOR_BITS
|
|
#define LLDCOLOR_BITS_G LLDCOLOR_BITS
|
|
#define LLDCOLOR_BITS_B LLDCOLOR_BITS
|
|
#define LLDCOLOR_SHIFT_R 0
|
|
#define LLDCOLOR_SHIFT_G 0
|
|
#define LLDCOLOR_SHIFT_B 0
|
|
|
|
// From the number of bits determine COLOR_TYPE, COLOR_TYPE_BITS and masking
|
|
#if LLDCOLOR_BITS <= 8
|
|
#define LLDCOLOR_TYPE uint8_t
|
|
#define LLDCOLOR_TYPE_BITS 8
|
|
#else
|
|
#error "GDISP: Cannot define gray-scale low level driver color types with more than 8 bits"
|
|
#endif
|
|
#if LLDCOLOR_TYPE_BITS == LLDCOLOR_BITS
|
|
#define LLDCOLOR_NEEDS_MASK FALSE
|
|
#else
|
|
#define LLDCOLOR_NEEDS_MASK TRUE
|
|
#endif
|
|
#define LLDCOLOR_MASK() ((1 << LLDCOLOR_BITS)-1)
|
|
|
|
#if COLOR_BITS == 1
|
|
#define LLDRGB2COLOR(r,g,b) (((r)|(g)|(b)) ? 1 : 0)
|
|
#define LLDLUMA2COLOR(l) ((l) ? 1 : 0)
|
|
#define LLDHTML2COLOR(h) ((h) ? 1 : 0)
|
|
#define LLDLUMA_OF(c) ((c) ? 255 : 0)
|
|
#define LLDEXACT_LUMA_OF(c) LLDLUMA_OF(c)
|
|
#else
|
|
// They eye is more sensitive to green
|
|
#define LLDRGB2COLOR(r,g,b) ((LLDCOLOR_TYPE)(((uint16_t)(r)+(g)+(g)+(b)) >> (10-LLDCOLOR_BITS)))
|
|
#define LLDLUMA2COLOR(l) ((LLDCOLOR_TYPE)((l)>>(8-LLDCOLOR_BITS)))
|
|
#define LLDHTML2COLOR(h) ((LLDCOLOR_TYPE)(((((h)&0xFF0000)>>16)+(((h)&0x00FF00)>>7)+((h)&0x0000FF)) >> (10-LLDCOLOR_BITS)))
|
|
#define LLDLUMA_OF(c) (((c) & ((1<<LLDCOLOR_BITS)-1)) << (8-LLDCOLOR_BITS))
|
|
#define LLDEXACT_LUMA_OF(c) ((((uint16_t)(c) & ((1<<LLDCOLOR_BITS)-1))*255)/((1<<LLDCOLOR_BITS)-1))
|
|
#endif
|
|
|
|
#define LLDRED_OF(c) LLDLUMA_OF(c)
|
|
#define LLDGREEN_OF(c) LLDLUMA_OF(c)
|
|
#define LLDBLUE_OF(c) LLDLUMA_OF(c)
|
|
#define LLDEXACT_RED_OF(c) LLDEXACT_LUMA_OF(c)
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#define LLDEXACT_GREEN_OF(c) LLDEXACT_LUMA_OF(c)
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#define LLDEXACT_BLUE_OF(c) LLDEXACT_LUMA_OF(c)
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|
|
|
//-------------------------
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|
// Palette color system
|
|
//-------------------------
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|
#elif (GDISP_LLD_PIXELFORMAT & GDISP_COLORSYSTEM_MASK) == GDISP_COLORSYSTEM_PALETTE
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|
#define LLDCOLOR_SYSTEM GDISP_COLORSYSTEM_PALETTE
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|
|
|
#error "GDISP: A palette color system for low level drivers is not currently supported"
|
|
|
|
//-------------------------
|
|
// Some other color system
|
|
//-------------------------
|
|
#else
|
|
#error "GDISP: Unsupported color system for low level drivers"
|
|
#endif
|
|
|
|
/* Which is the larger color type */
|
|
#if COLOR_BITS > LLDCOLOR_BITS
|
|
#define LARGER_COLOR_BITS COLOR_BITS
|
|
#define LARGER_COLOR_TYPE COLOR_TYPE
|
|
#else
|
|
#define LARGER_COLOR_BITS LLDCOLOR_BITS
|
|
#define LARGER_COLOR_TYPE LLDCOLOR_TYPE
|
|
#endif
|
|
|
|
/**
|
|
* @brief Controls color conversion accuracy for a low level driver
|
|
* @details Should higher precision be used when converting colors.
|
|
* @note Color conversion is only necessary if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT
|
|
* @note It only makes sense to turn this on if you have a high bit depth display but
|
|
* are running the application in low bit depths.
|
|
* @note To achieve higher color accuracy bit shifting is replaced with multiplies and divides.
|
|
*/
|
|
#ifndef GDISP_HARDWARE_USE_EXACT_COLOR
|
|
#if LLDCOLOR_BITS_R - COLOR_BITS_R >= LLDCOLOR_BITS_R/2 || LLDCOLOR_BITS_G - COLOR_BITS_G >= LLDCOLOR_BITS_G/2 || LLDCOLOR_BITS_B - COLOR_BITS_B >= LLDCOLOR_BITS_B/2
|
|
#define GDISP_HARDWARE_USE_EXACT_COLOR TRUE
|
|
#else
|
|
#define GDISP_HARDWARE_USE_EXACT_COLOR FALSE
|
|
#endif
|
|
#endif
|
|
|
|
/* Low level driver pixel format conversion functions */
|
|
#if GDISP_PIXELFORMAT == GDISP_LLD_PIXELFORMAT || defined(__DOXYGEN__)
|
|
/**
|
|
* @brief Convert from a standard color format to the low level driver pixel format
|
|
* @note For use only by low level drivers
|
|
*/
|
|
#define gdispColor2Native(c) (c)
|
|
/**
|
|
* @brief Convert from a low level driver pixel format to the standard color format
|
|
* @note For use only by low level drivers
|
|
*/
|
|
#define gdispNative2Color(c) (c)
|
|
#else
|
|
LLDCOLOR_TYPE gdispColor2Native(color_t c);
|
|
color_t gdispNative2Color(LLDCOLOR_TYPE c);
|
|
#endif
|
|
|
|
#endif /* GFX_USE_GDISP */
|
|
|
|
#endif /* _GDISP_LLD_H */
|
|
/** @} */
|