/** * MIT License * * ----------------------------------------------------------------------------- * Copyright (c) 2008-24 Think Silicon Single Member PC * ----------------------------------------------------------------------------- * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice (including the next paragraph) * shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ /** * @file lv_draw_nema_gfx_fill.c * */ /********************* * INCLUDES *********************/ #include "lv_draw_nema_gfx.h" #if LV_USE_NEMA_GFX /********************** * GLOBAL FUNCTIONS **********************/ void lv_draw_nema_gfx_triangle(lv_draw_unit_t * draw_unit, const lv_draw_triangle_dsc_t * dsc) { if(dsc->bg_opa <= LV_OPA_MIN) return; lv_draw_nema_gfx_unit_t * draw_nema_gfx_unit = (lv_draw_nema_gfx_unit_t *)draw_unit; lv_layer_t * layer = draw_unit->target_layer; lv_area_t rel_clip_area; lv_area_copy(&rel_clip_area, draw_unit->clip_area); lv_area_move(&rel_clip_area, -layer->buf_area.x1, -layer->buf_area.y1); lv_area_t coords; coords.x1 = (int32_t)LV_MIN3(dsc->p[0].x, dsc->p[1].x, dsc->p[2].x); coords.y1 = (int32_t)LV_MIN3(dsc->p[0].y, dsc->p[1].y, dsc->p[2].y); coords.x2 = (int32_t)LV_MAX3(dsc->p[0].x, dsc->p[1].x, dsc->p[2].x); coords.y2 = (int32_t)LV_MAX3(dsc->p[0].y, dsc->p[1].y, dsc->p[2].y); lv_area_move(&coords, -layer->buf_area.x1, -layer->buf_area.y1); lv_area_t clipped_coords; if(!lv_area_intersect(&clipped_coords, &coords, &rel_clip_area)) return; /* Fully clipped, nothing to do */ nema_set_clip(rel_clip_area.x1, rel_clip_area.y1, lv_area_get_width(&rel_clip_area), lv_area_get_height(&rel_clip_area)); lv_color_format_t dst_cf = layer->draw_buf->header.cf; uint32_t dst_nema_cf = lv_nemagfx_cf_to_nema(dst_cf); nema_bind_dst_tex((uintptr_t)NEMA_VIRT2PHYS(layer->draw_buf->data), lv_area_get_width(&(layer->buf_area)), lv_area_get_height(&(layer->buf_area)), dst_nema_cf, lv_area_get_width(&(layer->buf_area))*lv_color_format_get_size(dst_cf)); if(dsc->bg_grad.dir == (lv_grad_dir_t)LV_GRAD_DIR_NONE) { lv_color32_t col32 = lv_color_to_32(dsc->bg_color, dsc->bg_opa); if(col32.alpha < 255U) { nema_set_blend_fill(NEMA_BL_SIMPLE); } else { nema_set_blend_fill(NEMA_BL_SRC); } uint32_t bg_color = nema_rgba(col32.red, col32.green, col32.blue, col32.alpha); nema_enable_aa(1, 1, 1, 0); nema_fill_triangle(dsc->p[0].x, dsc->p[0].y, dsc->p[1].x, dsc->p[1].y, dsc->p[2].x, dsc->p[2].y, bg_color); } #if LV_USE_NEMA_VG else { nema_vg_path_clear(draw_nema_gfx_unit->path); nema_vg_paint_clear(draw_nema_gfx_unit->paint); nema_vg_paint_set_type(draw_nema_gfx_unit->paint, NEMA_VG_PAINT_GRAD_LINEAR); nema_vg_set_blend(NEMA_BL_SRC_OVER | NEMA_BLOP_SRC_PREMULT); nema_vg_set_fill_rule(NEMA_VG_FILL_EVEN_ODD); float stops[LV_GRADIENT_MAX_STOPS]; color_var_t colors[LV_GRADIENT_MAX_STOPS]; uint32_t cnt = LV_MAX(dsc->bg_grad.stops_count, LV_GRADIENT_MAX_STOPS); for(uint8_t i = 0; i < cnt; i++) { stops[i] = (float)(dsc->bg_grad.stops[i].frac) / 255.f; colors[i].a = dsc->bg_grad.stops[i].opa; colors[i].r = dsc->bg_grad.stops[i].color.red; colors[i].g = dsc->bg_grad.stops[i].color.green; colors[i].b = dsc->bg_grad.stops[i].color.blue; } nema_vg_grad_set(draw_nema_gfx_unit->gradient, cnt, stops, colors); //Calculate Bounding Box float min_x = LV_MIN(dsc->p[0].x, dsc->p[1].x); min_x = LV_MIN(dsc->p[2].x, min_x); float min_y = LV_MIN(dsc->p[0].y, dsc->p[1].y); min_y = LV_MIN(dsc->p[2].y, min_y); float max_x = LV_MAX(dsc->p[0].x, dsc->p[1].x); max_x = LV_MAX(dsc->p[2].x, max_x); float max_y = LV_MAX(dsc->p[0].y, dsc->p[1].y); max_y = LV_MAX(dsc->p[2].y, max_y); float x0, x1, y0, y1; if(dsc->bg_grad.dir == LV_GRAD_DIR_HOR) { x0 = min_x; x1 = max_x; y0 = min_y; y1 = min_y; } else { x0 = min_x; x1 = min_x; y0 = min_y; y1 = max_y; } y0 -= (float) layer->buf_area.y1; y1 -= (float) layer->buf_area.y1; x0 -= (float) layer->buf_area.x1; x1 -= (float) layer->buf_area.x1; uint8_t cmds_polygon[] = {NEMA_VG_PRIM_MOVE, NEMA_VG_PRIM_POLYGON}; float triangle_coords[] = {dsc->p[0].x - layer->buf_area.x1, dsc->p[0].y - layer->buf_area.y1, 4.0f, dsc->p[1].x - layer->buf_area.x1, dsc->p[1].y - layer->buf_area.y1, dsc->p[2].x - layer->buf_area.x1, dsc->p[2].y - layer->buf_area.y1 }; nema_enable_aa(0, 0, 0, 0); nema_vg_paint_set_grad_linear(draw_nema_gfx_unit->paint, draw_nema_gfx_unit->gradient, x0, y0, x1, y1, NEMA_TEX_CLAMP | NEMA_FILTER_BL); nema_vg_path_set_shape(draw_nema_gfx_unit->path, 2, cmds_polygon, 7, triangle_coords); nema_vg_draw_path(draw_nema_gfx_unit->path, draw_nema_gfx_unit->paint); } #endif nema_cl_submit(&(draw_nema_gfx_unit->cl)); } #endif