8f6b1f8d6c
* decouple sw renderer * simplify blend interface * make tests pass * udpate makefiles * fix warning * fix build errors * run code formatter * antialias fix
122 lines
3.8 KiB
C
122 lines
3.8 KiB
C
/**
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* @file lv_draw_blend.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_draw_blend.h"
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#include "lv_img_decoder.h"
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#include "../misc/lv_math.h"
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#include "../hal/lv_hal_disp.h"
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#include "../core/lv_refr.h"
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#if LV_USE_GPU_NXP_PXP
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#include "../gpu/lv_gpu_nxp_pxp.h"
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#elif LV_USE_GPU_NXP_VG_LITE
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#include "../gpu/lv_gpu_nxp_vglite.h"
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#elif LV_USE_GPU_STM32_DMA2D
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#include "../gpu/lv_gpu_stm32_dma2d.h"
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#endif
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/*********************
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* DEFINES
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*********************/
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#define GPU_SIZE_LIMIT 240
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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LV_ATTRIBUTE_FAST_MEM void lv_draw_blend_fill(const lv_area_t * clip_area, const lv_area_t * fill_area,
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lv_color_t color, lv_opa_t * mask, lv_draw_mask_res_t mask_res, lv_opa_t opa,
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lv_blend_mode_t blend_mode)
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{
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/*Do not draw transparent things*/
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if(opa < LV_OPA_MIN) return;
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if(mask_res == LV_DRAW_MASK_RES_TRANSP) return;
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if(mask_res == LV_DRAW_MASK_RES_FULL_COVER) mask = NULL;
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/*Get clipped fill area which is the real draw area.
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*It is always the same or inside `fill_area`*/
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lv_area_t draw_area;
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if(!_lv_area_intersect(&draw_area, clip_area, fill_area)) return;
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lv_disp_t * disp = _lv_refr_get_disp_refreshing();
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lv_disp_draw_buf_t * draw_buf = lv_disp_get_draw_buf(disp);
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const lv_area_t * disp_area = &draw_buf->area;
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lv_color_t * disp_buf = draw_buf->buf_act;
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/*Now `draw_area` has absolute coordinates.
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*Make it relative to `disp_area` to simplify the drawing to `disp_buf`*/
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lv_area_move(&draw_area, -disp_area->x1, -disp_area->y1);
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lv_coord_t stride = lv_area_get_width(disp_area);
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if(disp->driver->gpu_wait_cb) disp->driver->gpu_wait_cb(disp->driver);
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const lv_draw_backend_t * backend = lv_draw_backend_get();
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backend->blend_fill(disp_buf, stride, &draw_area, color, mask, opa, blend_mode);
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}
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void lv_draw_blend_map(const lv_area_t * clip_area, const lv_area_t * map_area,
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const lv_color_t * map_buf,
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lv_opa_t * mask, lv_draw_mask_res_t mask_res,
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lv_opa_t opa, lv_blend_mode_t blend_mode)
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{
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/*Do not draw transparent things*/
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if(opa < LV_OPA_MIN) return;
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if(mask_res == LV_DRAW_MASK_RES_TRANSP) return;
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if(mask_res == LV_DRAW_MASK_RES_FULL_COVER) mask = NULL;
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/*Get clipped fill area which is the real draw area.
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*It is always the same or inside `map_area`*/
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lv_area_t draw_area;
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if(!_lv_area_intersect(&draw_area, clip_area, map_area)) return;
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lv_disp_t * disp = _lv_refr_get_disp_refreshing();
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lv_disp_draw_buf_t * draw_buf = lv_disp_get_draw_buf(disp);
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const lv_area_t * disp_area = &draw_buf->area;
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lv_color_t * buf = draw_buf->buf_act;
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/*Now `draw_area` has absolute coordinates.
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*Make it relative to `disp_area` to simplify draw to `disp_buf`*/
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lv_area_move(&draw_area, -disp_area->x1, -disp_area->y1);
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lv_area_t map_area_relative;
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lv_area_copy(&map_area_relative, map_area);
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lv_area_move(&map_area_relative, -disp_area->x1, -disp_area->y1);
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if(disp->driver->gpu_wait_cb) disp->driver->gpu_wait_cb(disp->driver);
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lv_coord_t stride = lv_area_get_width(disp_area);
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const lv_draw_backend_t * backend = lv_draw_backend_get();
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backend->blend_map(buf, stride, &draw_area,
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map_buf, &map_area_relative,
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mask, opa, blend_mode);
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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