cepetr
3 weeks ago
parent
61ec4d6ac2
commit
d4efd46b09
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/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include TREZOR_BOARD
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#ifdef XFRAMEBUFFER
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#include <xdisplay.h>
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#include "display_io.h"
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#include "display_panel.h"
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void display_refresh(void) {
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// if the framebuffer is not used the implementation is empty
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}
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static inline void set_window(const gl_bitblt_t* bb) {
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display_panel_set_window(bb->dst_x, bb->dst_y, bb->dst_x + bb->width - 1,
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bb->dst_y + bb->height + 1);
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}
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// For future notice, if we ever want to do a new model using progressive
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// rendering.
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//
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// Following functions can be optimized by using DMA (regular is likely enough)
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// to copy the data, along with the fill function. If even more performance is
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// needed, we could use double-slice similarly to double-framebuffer and render
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// to one with DMA2D while copying the other to the display with DMA.
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void display_fill(const gl_bitblt_t* bb) {
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set_window(bb);
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uint16_t height = bb->height;
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while (height-- > 0) {
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for (int x = 0; x < bb->width; x++) {
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ISSUE_PIXEL_DATA(bb->src_fg);
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}
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}
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}
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void display_copy_rgb565(const gl_bitblt_t* bb) {
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set_window(bb);
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uint16_t* src_ptr = (uint16_t*)bb->src_row + bb->src_x;
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uint16_t height = bb->height;
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while (height-- > 0) {
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for (int x = 0; x < bb->width; x++) {
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ISSUE_PIXEL_DATA(src_ptr[x]);
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}
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src_ptr += bb->src_stride / sizeof(*src_ptr);
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}
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}
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void display_copy_mono1p(const gl_bitblt_t* bb) {
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set_window(bb);
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uint8_t* src = (uint8_t*)bb->src_row;
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uint16_t src_ofs = bb->src_stride * bb->src_y + bb->src_x;
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uint16_t height = bb->height;
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while (height-- > 0) {
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for (int x = 0; x < bb->width; x++) {
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uint8_t mask = 1 << (7 - ((src_ofs + x) & 7));
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uint8_t data = src[(src_ofs + x) / 8];
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ISSUE_PIXEL_DATA((data & mask) ? bb->src_fg : bb->src_bg);
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}
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src_ofs += bb->src_stride;
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}
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}
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void display_copy_mono4(const gl_bitblt_t* bb) {
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set_window(bb);
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const gl_color16_t* gradient = gl_color16_gradient_a4(bb->src_fg, bb->src_bg);
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uint8_t* src_row = (uint8_t*)bb->src_row;
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uint16_t height = bb->height;
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while (height-- > 0) {
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for (int x = 0; x < bb->width; x++) {
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uint8_t fg_data = src_row[(x + bb->src_x) / 2];
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uint8_t fg_lum = (x + bb->src_x) & 1 ? fg_data >> 4 : fg_data & 0xF;
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ISSUE_PIXEL_DATA(gradient[fg_lum]);
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}
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src_row += bb->src_stride / sizeof(*src_row);
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}
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}
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#endif // XFRAMEBUFFER
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