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137 lines
4.1 KiB
137 lines
4.1 KiB
/*
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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 "gl_bitblt.h"
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#if USE_DMA2D
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#include "dma2d_bitblt.h"
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#endif
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void gl_rgb565_fill(const gl_bitblt_t* bb) {
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#if defined(USE_DMA2D) && !defined(TREZOR_EMULATOR)
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if (!dma2d_rgb565_fill(bb))
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#endif
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{
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uint16_t* dst_ptr = (uint16_t*)bb->dst_row + bb->dst_x;
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uint16_t height = bb->height;
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if (bb->src_alpha == 255) {
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while (height-- > 0) {
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for (int x = 0; x < bb->width; x++) {
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dst_ptr[x] = bb->src_fg;
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}
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dst_ptr += bb->dst_stride / sizeof(*dst_ptr);
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}
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} else {
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uint8_t alpha = bb->src_alpha;
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while (height-- > 0) {
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for (int x = 0; x < bb->width; x++) {
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dst_ptr[x] = gl_color16_blend_a8(bb->src_fg, dst_ptr[x], alpha);
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}
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dst_ptr += bb->dst_stride / sizeof(*dst_ptr);
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}
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}
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}
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}
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void gl_rgb565_copy_mono1p(const gl_bitblt_t* bb) {
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uint16_t* dst_ptr = (uint16_t*)bb->dst_row + bb->dst_x;
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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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uint16_t fg = gl_color_to_color16(bb->src_fg);
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uint16_t bg = gl_color_to_color16(bb->src_bg);
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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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dst_ptr[x] = (data & mask) ? fg : bg;
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}
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dst_ptr += bb->dst_stride / sizeof(*dst_ptr);
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src_ofs += bb->src_stride;
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}
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}
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void gl_rgb565_copy_mono4(const gl_bitblt_t* bb) {
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#if defined(USE_DMA2D) && !defined(TREZOR_EMULATOR)
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if (!dma2d_rgb565_copy_mono4(bb))
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#endif
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{
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const gl_color16_t* gradient =
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gl_color16_gradient_a4(bb->src_fg, bb->src_bg);
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uint16_t* dst_ptr = (uint16_t*)bb->dst_row + bb->dst_x;
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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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dst_ptr[x] = gradient[fg_lum];
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}
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dst_ptr += bb->dst_stride / sizeof(*dst_ptr);
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src_row += bb->src_stride / sizeof(*src_row);
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}
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}
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}
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void gl_rgb565_copy_rgb565(const gl_bitblt_t* bb) {
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#if defined(USE_DMA2D) && !defined(TREZOR_EMULATOR)
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if (!dma2d_rgb565_copy_rgb565(bb))
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#endif
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{
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uint16_t* dst_ptr = (uint16_t*)bb->dst_row + bb->dst_x;
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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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dst_ptr[x] = src_ptr[x];
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}
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dst_ptr += bb->dst_stride / sizeof(*dst_ptr);
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src_ptr += bb->src_stride / sizeof(*src_ptr);
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}
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}
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}
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void gl_rgb565_blend_mono4(const gl_bitblt_t* bb) {
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#if defined(USE_DMA2D) && !defined(TREZOR_EMULATOR)
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if (!dma2d_rgb565_blend_mono4(bb))
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#endif
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{
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uint16_t* dst_ptr = (uint16_t*)bb->dst_row + bb->dst_x;
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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_alpha = (x + bb->src_x) & 1 ? fg_data >> 4 : fg_data & 0x0F;
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dst_ptr[x] = gl_color16_blend_a4(
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bb->src_fg, gl_color16_to_color(dst_ptr[x]), fg_alpha);
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}
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dst_ptr += bb->dst_stride / sizeof(*dst_ptr);
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src_row += bb->src_stride / sizeof(*src_row);
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}
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}
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}
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