212 lines
6.4 KiB
C
212 lines
6.4 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-12-17 Wayne The first version
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*/
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/**
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* @file lv_gpu_n9h30_ge2d.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 <lvgl.h>
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#include "lv_gpu_n9h30_ge2d.h"
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#include "nu_2d.h"
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#include "mmu.h"
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/*********************
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* DEFINES
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*********************/
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#if LV_COLOR_16_SWAP
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#error "Can't use GE2D with LV_COLOR_16_SWAP 1"
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#endif
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#if !((LV_COLOR_DEPTH == 16) || (LV_COLOR_DEPTH == 32))
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/*Can't use GPU with other formats*/
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#error "Can't use GPU with other formats"
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#endif
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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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static void lv_draw_n9h30_ge2d_blend_fill(lv_color_t *dest_buf, lv_coord_t dest_stride, const lv_area_t *fill_area,
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lv_color_t color);
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static void lv_draw_n9h30_ge2d_blend_map(lv_color_t *dest_buf, const lv_area_t *dest_area, lv_coord_t dest_stride,
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const lv_color_t *src_buf, lv_coord_t src_stride, lv_opa_t opa);
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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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/**
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* Turn on the peripheral and set output color mode, this only needs to be done once
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*/
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void lv_draw_n9h30_ge2d_ctx_init(lv_disp_drv_t *drv, lv_draw_ctx_t *draw_ctx)
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{
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lv_draw_sw_init_ctx(drv, draw_ctx);
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lv_draw_n9h30_ge2d_ctx_t *ge2d_draw_ctx = (lv_draw_sw_ctx_t *)draw_ctx;
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ge2d_draw_ctx->blend = lv_draw_n9h30_ge2d_blend;
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ge2d_draw_ctx->base_draw.wait_for_finish = lv_gpu_n9h30_ge2d_wait_cb;
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}
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void lv_draw_n9h30_ge2d_ctx_deinit(lv_disp_drv_t *drv, lv_draw_ctx_t *draw_ctx)
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{
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LV_UNUSED(drv);
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LV_UNUSED(draw_ctx);
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}
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void lv_draw_n9h30_ge2d_blend(lv_draw_ctx_t *draw_ctx, const lv_draw_sw_blend_dsc_t *dsc)
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{
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lv_area_t blend_area;
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int32_t blend_area_w;
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bool done = false;
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if (!_lv_area_intersect(&blend_area, dsc->blend_area, draw_ctx->clip_area)) return;
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blend_area_w = lv_area_get_width(&blend_area);
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if ((lv_area_get_size(&blend_area) > 7200) &&
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(((blend_area_w * (LV_COLOR_DEPTH / 2)) & 0x3) == 0) &&
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(dsc->mask_buf == NULL) && (dsc->blend_mode == LV_BLEND_MODE_NORMAL))
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{
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lv_coord_t dest_stride = lv_area_get_width(draw_ctx->buf_area);
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lv_color_t *dest_buf = draw_ctx->buf;
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dest_buf += dest_stride * (blend_area.y1 - draw_ctx->buf_area->y1) + (blend_area.x1 - draw_ctx->buf_area->x1);
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const lv_color_t *src_buf = dsc->src_buf;
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if (src_buf)
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{
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lv_coord_t src_stride;
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src_stride = lv_area_get_width(dsc->blend_area);
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src_buf += src_stride * (blend_area.y1 - dsc->blend_area->y1) + (blend_area.x1 - dsc->blend_area->x1);
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lv_area_move(&blend_area, -draw_ctx->buf_area->x1, -draw_ctx->buf_area->y1);
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lv_draw_n9h30_ge2d_blend_map(dest_buf, &blend_area, dest_stride, src_buf, src_stride, dsc->opa);
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done = true;
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}
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else if (dsc->opa >= LV_OPA_MAX)
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{
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lv_area_move(&blend_area, -draw_ctx->buf_area->x1, -draw_ctx->buf_area->y1);
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lv_draw_n9h30_ge2d_blend_fill(dest_buf, dest_stride, &blend_area, dsc->color);
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done = true;
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}
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}
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if (!done)
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{
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lv_draw_sw_blend_basic(draw_ctx, dsc);
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}
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}
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static void lv_draw_n9h30_ge2d_blend_fill(lv_color_t *dest_buf, lv_coord_t dest_stride, const lv_area_t *fill_area,
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lv_color_t color)
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{
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int32_t fill_area_w = lv_area_get_width(fill_area);
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int32_t fill_area_h = lv_area_get_height(fill_area);
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lv_color_t *start_buf = dest_buf - (fill_area->y1 * dest_stride) - fill_area->x1;
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// rt_kprintf("[blend_fill %d %08x] %dx%d %d %d\n", lv_area_get_size(fill_area), dest_buf, fill_area_w, fill_area_h, fill_area->x1, fill_area->y1 );
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if (IS_CACHEABLE_VRAM(dest_buf))
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mmu_clean_invalidated_dcache((uint32_t)dest_buf, sizeof(lv_color_t) * (dest_stride * fill_area_h + fill_area_w));
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/*Hardware filling*/
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// Enter GE2D ->
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ge2dInit(sizeof(lv_color_t) * 8, dest_stride, fill_area->y2, (void *)start_buf);
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ge2dClip_SetClip(fill_area->x1, fill_area->y1, fill_area->x2, fill_area->y2);
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if (sizeof(lv_color_t) == 4)
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ge2dFill_Solid(fill_area->x1, fill_area->y1, fill_area_w, fill_area_h, color.full);
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else if (sizeof(lv_color_t) == 2)
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ge2dFill_Solid_RGB565(fill_area->x1, fill_area->y1, fill_area_w, fill_area_h, color.full);
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ge2dClip_SetClip(-1, 0, 0, 0);
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// -> Leave GE2D
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}
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static void lv_draw_n9h30_ge2d_blend_map(lv_color_t *dest_buf, const lv_area_t *dest_area, lv_coord_t dest_stride,
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const lv_color_t *src_buf, lv_coord_t src_stride, lv_opa_t opa)
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{
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int32_t dest_w = lv_area_get_width(dest_area);
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int32_t dest_h = lv_area_get_height(dest_area);
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//rt_kprintf("[blend_map %d %08x -> %08x] (x:%d y:%d, %dx%d) <stride src:%d dst:%d>\n", lv_area_get_size(dest_area), src_buf, dest_buf, dest_x, dest_y, dest_w, dest_h, src_stride, dest_stride);
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if (!IS_CACHEABLE_VRAM(dest_buf))
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{
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const lv_color_t *dest_start_buf = dest_buf - (dest_area->y1 * dest_stride) - dest_area->x1;
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int32_t dest_x = dest_area->x1;
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int32_t dest_y = dest_area->y1;
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// Enter GE2D ->
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ge2dInit(sizeof(lv_color_t) * 8, dest_stride, dest_area->y2, (void *)dest_start_buf);
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if (opa >= LV_OPA_MAX)
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{
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ge2dBitblt_SetAlphaMode(0, 0, 0);
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ge2dBitblt_SetDrawMode(0, 0, 0);
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}
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else
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{
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ge2dBitblt_SetAlphaMode(1, opa, opa);
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}
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if (IS_CACHEABLE_VRAM(src_buf))
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mmu_clean_dcache((uint32_t)src_buf, sizeof(lv_color_t) * (src_stride * dest_h + dest_w));
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ge2dSpriteBlt_Screen(dest_x, dest_y, dest_w, dest_h, (void *)src_buf);
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// -> Leave GE2D
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}
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else
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{
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int32_t x, y;
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/*Simple copy*/
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for (y = 0; y < dest_h; y++)
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{
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for (x = 0; x < dest_w; x++)
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{
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dest_buf[x] = src_buf[x];
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}
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dest_buf += dest_stride;
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src_buf += src_stride;
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}
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}
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}
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void lv_gpu_n9h30_ge2d_wait_cb(lv_draw_ctx_t *draw_ctx)
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{
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lv_draw_sw_wait_for_finish(draw_ctx);
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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