diff options
Diffstat (limited to 'include/gdisp/lld')
| -rw-r--r-- | include/gdisp/lld/gdisp_lld.h | 88 |
1 files changed, 62 insertions, 26 deletions
diff --git a/include/gdisp/lld/gdisp_lld.h b/include/gdisp/lld/gdisp_lld.h index 2a6f90b7..b1e89f09 100644 --- a/include/gdisp/lld/gdisp_lld.h +++ b/include/gdisp/lld/gdisp_lld.h @@ -22,107 +22,140 @@ /* Error checks. */ /*===========================================================================*/ +#if GDISP_TOTAL_CONTROLLERS > 1 && !defined(GDISP_DRIVER_VMT) + #define HARDWARE_AUTODETECT 2 + #define HARDWARE_DEFAULT HARDWARE_AUTODETECT +#else + #define HARDWARE_AUTODETECT 2 + #define HARDWARE_DEFAULT FALSE +#endif + /** * @name GDISP hardware accelerated support * @{ */ /** * @brief Hardware streaming writing is supported. - * @details If set to @p FALSE software emulation is used. - * @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by the driver + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 + * @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by each driver */ #ifndef GDISP_HARDWARE_STREAM_WRITE - #define GDISP_HARDWARE_STREAM_WRITE FALSE + #define GDISP_HARDWARE_STREAM_WRITE HARDWARE_DEFAULT #endif /** * @brief Hardware streaming reading of the display surface is supported. - * @details If set to @p FALSE this routine is not available. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 + * */ #ifndef GDISP_HARDWARE_STREAM_READ - #define GDISP_HARDWARE_STREAM_READ FALSE + #define GDISP_HARDWARE_STREAM_READ HARDWARE_DEFAULT #endif /** * @brief Hardware supports setting the cursor position within the stream window. - * @details If set to @p FALSE this routine is not available. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 * @note This is used to optimise setting of individual pixels within a stream window. * It should therefore not be implemented unless it is cheaper than just setting * a new window. */ #ifndef GDISP_HARDWARE_STREAM_POS - #define GDISP_HARDWARE_STREAM_POS FALSE + #define GDISP_HARDWARE_STREAM_POS HARDWARE_DEFAULT #endif /** * @brief Hardware accelerated draw pixel. - * @details If set to @p FALSE software emulation is used. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 * @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by the driver */ #ifndef GDISP_HARDWARE_DRAWPIXEL - #define GDISP_HARDWARE_DRAWPIXEL FALSE + #define GDISP_HARDWARE_DRAWPIXEL HARDWARE_DEFAULT #endif /** * @brief Hardware accelerated screen clears. - * @details If set to @p FALSE software emulation is used. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 * @note This clears the entire display surface regardless of the clipping area currently set */ #ifndef GDISP_HARDWARE_CLEARS - #define GDISP_HARDWARE_CLEARS FALSE + #define GDISP_HARDWARE_CLEARS HARDWARE_DEFAULT #endif /** * @brief Hardware accelerated rectangular fills. - * @details If set to @p FALSE software emulation is used. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 */ #ifndef GDISP_HARDWARE_FILLS - #define GDISP_HARDWARE_FILLS FALSE + #define GDISP_HARDWARE_FILLS HARDWARE_DEFAULT #endif /** * @brief Hardware accelerated fills from an image. - * @details If set to @p FALSE software emulation is used. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 */ #ifndef GDISP_HARDWARE_BITFILLS - #define GDISP_HARDWARE_BITFILLS FALSE + #define GDISP_HARDWARE_BITFILLS HARDWARE_DEFAULT #endif /** * @brief Hardware accelerated scrolling. - * @details If set to @p FALSE there is no support for scrolling. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 */ #ifndef GDISP_HARDWARE_SCROLL - #define GDISP_HARDWARE_SCROLL FALSE + #define GDISP_HARDWARE_SCROLL HARDWARE_DEFAULT #endif /** * @brief Reading back of pixel values. - * @details If set to @p FALSE there is no support for pixel read-back. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 */ #ifndef GDISP_HARDWARE_PIXELREAD - #define GDISP_HARDWARE_PIXELREAD FALSE + #define GDISP_HARDWARE_PIXELREAD HARDWARE_DEFAULT #endif /** * @brief The driver supports one or more control commands. - * @details If set to @p FALSE there is no support for control commands. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 */ #ifndef GDISP_HARDWARE_CONTROL - #define GDISP_HARDWARE_CONTROL FALSE + #define GDISP_HARDWARE_CONTROL HARDWARE_DEFAULT #endif /** * @brief The driver supports a non-standard query. - * @details If set to @p FALSE there is no support for non-standard queries. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 */ #ifndef GDISP_HARDWARE_QUERY - #define GDISP_HARDWARE_QUERY FALSE + #define GDISP_HARDWARE_QUERY HARDWARE_DEFAULT #endif /** * @brief The driver supports a clipping in hardware. - * @details If set to @p FALSE there is no support for non-standard queries. + * @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT + * + * @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1 * @note If this is defined the driver must perform its own clipping on all calls to * the driver and respond appropriately if a parameter is outside the display area. * @note If this is not defined then the software ensures that all calls to the @@ -130,7 +163,7 @@ * has been set). */ #ifndef GDISP_HARDWARE_CLIP - #define GDISP_HARDWARE_CLIP FALSE + #define GDISP_HARDWARE_CLIP HARDWARE_DEFAULT #endif /** @} */ @@ -159,7 +192,7 @@ typedef struct GDisplay { #endif // Software clipping - #if !GDISP_HARDWARE_CLIP && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION) + #if GDISP_HARDWARE_CLIP != TRUE && (GDISP_NEED_CLIP || GDISP_NEED_VALIDATION) coord_t clipx0, clipy0; coord_t clipx1, clipy1; /* not inclusive */ #endif @@ -464,6 +497,9 @@ typedef struct GDisplay { } 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_STREAM_WRITE |