mirror of
https://github.com/meshtastic/firmware.git
synced 2025-12-16 07:42:37 +00:00
688 lines
22 KiB
C++
688 lines
22 KiB
C++
/*----------------------------------------------------------------------------/
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Lovyan GFX - Graphics library for embedded devices.
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Original Source:
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https://github.com/lovyan03/LovyanGFX/
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Licence:
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[FreeBSD](https://github.com/lovyan03/LovyanGFX/blob/master/license.txt)
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Author:
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[lovyan03](https://twitter.com/lovyan03)
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Contributors:
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[ciniml](https://github.com/ciniml)
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[mongonta0716](https://github.com/mongonta0716)
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[tobozo](https://github.com/tobozo)
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Porting for SDL:
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[imliubo](https://github.com/imliubo)
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/----------------------------------------------------------------------------*/
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#include "Panel_sdl.hpp"
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#if defined(SDL_h_)
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// #include "../common.hpp"
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// #include "../../misc/common_function.hpp"
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// #include "../../Bus.hpp"
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#include <list>
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#include <math.h>
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#include <vector>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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namespace lgfx
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{
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inline namespace v1
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{
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SDL_Keymod Panel_sdl::_keymod = KMOD_NONE;
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static SDL_semaphore *_update_in_semaphore = nullptr;
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static SDL_semaphore *_update_out_semaphore = nullptr;
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volatile static uint32_t _in_step_exec = 0;
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volatile static uint32_t _msec_step_exec = 512;
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static bool _inited = false;
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static bool _all_close = false;
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volatile uint8_t Panel_sdl::_gpio_dummy_values[EMULATED_GPIO_MAX];
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static inline void *heap_alloc_dma(size_t length)
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{
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return malloc(length);
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} // aligned_alloc(16, length);
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static inline void heap_free(void *buf)
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{
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free(buf);
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}
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static std::list<monitor_t *> _list_monitor;
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static monitor_t *const getMonitorByWindowID(uint32_t windowID)
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{
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for (auto &m : _list_monitor) {
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if (SDL_GetWindowID(m->window) == windowID) {
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return m;
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}
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}
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return nullptr;
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}
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//----------------------------------------------------------------------------
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static std::vector<Panel_sdl::KeyCodeMapping_t> _key_code_map;
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void Panel_sdl::addKeyCodeMapping(SDL_KeyCode keyCode, uint8_t gpio)
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{
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if (gpio > EMULATED_GPIO_MAX)
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return;
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KeyCodeMapping_t map;
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map.keycode = keyCode;
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map.gpio = gpio;
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_key_code_map.push_back(map);
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}
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int Panel_sdl::getKeyCodeMapping(SDL_KeyCode keyCode)
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{
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for (const auto &i : _key_code_map) {
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if (i.keycode == keyCode)
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return i.gpio;
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}
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return -1;
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}
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void Panel_sdl::_event_proc(void)
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{
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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if ((event.type == SDL_KEYDOWN) || (event.type == SDL_KEYUP)) {
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auto mon = getMonitorByWindowID(event.button.windowID);
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int gpio = -1;
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/// Check key mapping
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gpio = getKeyCodeMapping((SDL_KeyCode)event.key.keysym.sym);
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if (gpio < 0) {
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switch (event.key.keysym.sym) { /// M5StackのBtnA～BtnCのエミュレート;
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// case SDLK_LEFT: gpio = 39; break;
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// case SDLK_DOWN: gpio = 38; break;
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// case SDLK_RIGHT: gpio = 37; break;
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// case SDLK_UP: gpio = 36; break;
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/// L/Rキーで画面回転
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case SDLK_r:
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case SDLK_l:
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if (event.type == SDL_KEYDOWN && event.key.keysym.mod == _keymod) {
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if (mon != nullptr) {
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mon->frame_rotation = (mon->frame_rotation += event.key.keysym.sym == SDLK_r ? 1 : -1);
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int x, y, w, h;
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SDL_GetWindowSize(mon->window, &w, &h);
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SDL_GetWindowPosition(mon->window, &x, &y);
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SDL_SetWindowSize(mon->window, h, w);
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SDL_SetWindowPosition(mon->window, x + (w - h) / 2, y + (h - w) / 2);
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mon->panel->sdl_invalidate();
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}
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}
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break;
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/// 1～6キーで画面拡大率変更
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case SDLK_1:
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case SDLK_2:
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case SDLK_3:
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case SDLK_4:
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case SDLK_5:
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case SDLK_6:
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if (event.type == SDL_KEYDOWN && event.key.keysym.mod == _keymod) {
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if (mon != nullptr) {
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int size = 1 + (event.key.keysym.sym - SDLK_1);
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_update_scaling(mon, size, size);
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}
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}
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break;
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default:
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continue;
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}
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}
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if (event.type == SDL_KEYDOWN) {
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Panel_sdl::gpio_lo(gpio);
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} else {
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Panel_sdl::gpio_hi(gpio);
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}
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} else if (event.type == SDL_MOUSEBUTTONDOWN || event.type == SDL_MOUSEBUTTONUP || event.type == SDL_MOUSEMOTION) {
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auto mon = getMonitorByWindowID(event.button.windowID);
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if (mon != nullptr) {
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{
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int x, y, w, h;
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SDL_GetWindowSize(mon->window, &w, &h);
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SDL_GetMouseState(&x, &y);
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float sf = sinf(mon->frame_angle * M_PI / 180);
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float cf = cosf(mon->frame_angle * M_PI / 180);
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x -= w / 2.0f;
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y -= h / 2.0f;
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float nx = y * sf + x * cf;
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float ny = y * cf - x * sf;
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if (mon->frame_rotation & 1) {
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std::swap(w, h);
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}
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x = (nx * mon->frame_width / w) + (mon->frame_width >> 1);
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y = (ny * mon->frame_height / h) + (mon->frame_height >> 1);
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mon->touch_x = x - mon->frame_inner_x;
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mon->touch_y = y - mon->frame_inner_y;
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}
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if (event.type == SDL_MOUSEBUTTONDOWN && event.button.button == SDL_BUTTON_LEFT) {
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mon->touched = true;
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}
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if (event.type == SDL_MOUSEBUTTONUP && event.button.button == SDL_BUTTON_LEFT) {
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mon->touched = false;
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}
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}
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} else if (event.type == SDL_WINDOWEVENT) {
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auto monitor = getMonitorByWindowID(event.window.windowID);
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if (monitor) {
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if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
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int mw, mh;
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SDL_GetRendererOutputSize(monitor->renderer, &mw, &mh);
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if (monitor->frame_rotation & 1) {
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std::swap(mw, mh);
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}
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monitor->scaling_x = (mw * 2 / monitor->frame_width) / 2.0f;
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monitor->scaling_y = (mh * 2 / monitor->frame_height) / 2.0f;
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monitor->panel->sdl_invalidate();
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} else if (event.window.event == SDL_WINDOWEVENT_CLOSE) {
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monitor->closing = true;
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}
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}
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} else if (event.type == SDL_QUIT) {
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for (auto &m : _list_monitor) {
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m->closing = true;
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}
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}
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}
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}
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/// デバッガでステップ実行されていることを検出するスレッド用関数。
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static int detectDebugger(bool *running)
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{
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uint32_t prev_ms = SDL_GetTicks();
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do {
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SDL_Delay(1);
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uint32_t ms = SDL_GetTicks();
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/// 時間間隔が広すぎる場合はステップ実行中 (ブレークポイントで止まった)と判断する。
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/// また、解除されたと判断した後も1023msecほど状態を維持する。
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if (ms - prev_ms > 64) {
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_in_step_exec = _msec_step_exec;
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} else if (_in_step_exec) {
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--_in_step_exec;
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}
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prev_ms = ms;
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} while (*running);
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return 0;
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}
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void Panel_sdl::_update_proc(void)
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{
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for (auto it = _list_monitor.begin(); it != _list_monitor.end();) {
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if ((*it)->closing) {
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if ((*it)->texture_frameimage) {
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SDL_DestroyTexture((*it)->texture_frameimage);
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}
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SDL_DestroyTexture((*it)->texture);
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SDL_DestroyRenderer((*it)->renderer);
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SDL_DestroyWindow((*it)->window);
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_list_monitor.erase(it++);
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if (_list_monitor.empty()) {
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_all_close = true;
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return;
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}
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continue;
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}
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(*it)->panel->sdl_update();
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++it;
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}
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}
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int Panel_sdl::setup(void)
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{
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if (_inited)
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return 1;
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_inited = true;
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/// Add default keycode mapping
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/// M5StackのBtnA～BtnCのエミュレート;
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addKeyCodeMapping(SDLK_LEFT, 39);
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addKeyCodeMapping(SDLK_DOWN, 38);
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addKeyCodeMapping(SDLK_RIGHT, 37);
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addKeyCodeMapping(SDLK_UP, 36);
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SDL_CreateThread((SDL_ThreadFunction)detectDebugger, "dbg", &_inited);
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_update_in_semaphore = SDL_CreateSemaphore(0);
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_update_out_semaphore = SDL_CreateSemaphore(0);
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for (size_t pin = 0; pin < EMULATED_GPIO_MAX; ++pin) {
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gpio_hi(pin);
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}
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/*Initialize the SDL*/
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SDL_Init(SDL_INIT_VIDEO);
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SDL_StartTextInput();
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// SDL_SetThreadPriority(SDL_ThreadPriority::SDL_THREAD_PRIORITY_HIGH);
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return 0;
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}
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int Panel_sdl::loop(void)
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{
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if (!_inited)
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return 1;
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_event_proc();
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SDL_SemWaitTimeout(_update_in_semaphore, 1);
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_update_proc();
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_event_proc();
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if (SDL_SemValue(_update_out_semaphore) == 0) {
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SDL_SemPost(_update_out_semaphore);
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}
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return _all_close;
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}
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int Panel_sdl::close(void)
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{
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if (!_inited)
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return 1;
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_inited = false;
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SDL_StopTextInput();
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SDL_DestroySemaphore(_update_in_semaphore);
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SDL_DestroySemaphore(_update_out_semaphore);
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SDL_Quit();
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return 0;
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}
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int Panel_sdl::main(int (*fn)(bool *), uint32_t msec_step_exec)
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{
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_msec_step_exec = msec_step_exec;
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/// SDLの準備
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if (0 != Panel_sdl::setup()) {
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return 1;
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}
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/// ユーザコード関数の動作・停止フラグ
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bool running = true;
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/// ユーザコード関数を起動する
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auto thread = SDL_CreateThread((SDL_ThreadFunction)fn, "fn", &running);
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/// 全部のウィンドウが閉じられるまでSDLのイベント・描画処理を継続
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while (0 == Panel_sdl::loop()) {
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};
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/// ユーザコード関数を終了する
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running = false;
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SDL_WaitThread(thread, nullptr);
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/// SDLを終了する
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return Panel_sdl::close();
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}
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void Panel_sdl::setScaling(uint_fast8_t scaling_x, uint_fast8_t scaling_y)
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{
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monitor.scaling_x = scaling_x;
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monitor.scaling_y = scaling_y;
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}
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void Panel_sdl::setFrameImage(const void *frame_image, int frame_width, int frame_height, int inner_x, int inner_y)
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{
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monitor.frame_image = frame_image;
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monitor.frame_width = frame_width;
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monitor.frame_height = frame_height;
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monitor.frame_inner_x = inner_x;
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monitor.frame_inner_y = inner_y;
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}
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void Panel_sdl::setFrameRotation(uint_fast16_t frame_rotation)
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{
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monitor.frame_rotation = frame_rotation;
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monitor.frame_angle = (monitor.frame_rotation) * 90;
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}
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Panel_sdl::~Panel_sdl(void)
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{
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_list_monitor.remove(&monitor);
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SDL_DestroyMutex(_sdl_mutex);
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}
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Panel_sdl::Panel_sdl(void) : Panel_FrameBufferBase()
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{
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_sdl_mutex = SDL_CreateMutex();
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_auto_display = true;
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monitor.panel = this;
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}
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bool Panel_sdl::init(bool use_reset)
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{
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initFrameBuffer(_cfg.panel_width * 4, _cfg.panel_height);
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bool res = Panel_FrameBufferBase::init(use_reset);
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_list_monitor.push_back(&monitor);
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return res;
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}
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color_depth_t Panel_sdl::setColorDepth(color_depth_t depth)
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{
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auto bits = depth & color_depth_t::bit_mask;
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if (bits >= 16) {
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depth = (bits > 16) ? rgb888_3Byte : rgb565_2Byte;
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} else {
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depth = (depth == color_depth_t::grayscale_8bit) ? grayscale_8bit : rgb332_1Byte;
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}
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_write_depth = depth;
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_read_depth = depth;
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return depth;
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}
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Panel_sdl::lock_t::lock_t(Panel_sdl *parent) : _parent{parent}
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{
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SDL_LockMutex(parent->_sdl_mutex);
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};
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Panel_sdl::lock_t::~lock_t(void)
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{
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++_parent->_modified_counter;
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SDL_UnlockMutex(_parent->_sdl_mutex);
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if (SDL_SemValue(_update_in_semaphore) < 2) {
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SDL_SemPost(_update_in_semaphore);
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if (!_in_step_exec) {
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SDL_SemWaitTimeout(_update_out_semaphore, 1);
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}
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}
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};
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void Panel_sdl::drawPixelPreclipped(uint_fast16_t x, uint_fast16_t y, uint32_t rawcolor)
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{
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lock_t lock(this);
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Panel_FrameBufferBase::drawPixelPreclipped(x, y, rawcolor);
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}
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void Panel_sdl::writeFillRectPreclipped(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, uint32_t rawcolor)
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{
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lock_t lock(this);
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Panel_FrameBufferBase::writeFillRectPreclipped(x, y, w, h, rawcolor);
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}
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void Panel_sdl::writeBlock(uint32_t rawcolor, uint32_t length)
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{
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// lock_t lock(this);
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Panel_FrameBufferBase::writeBlock(rawcolor, length);
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}
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void Panel_sdl::writeImage(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, pixelcopy_t *param, bool use_dma)
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{
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lock_t lock(this);
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Panel_FrameBufferBase::writeImage(x, y, w, h, param, use_dma);
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}
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void Panel_sdl::writeImageARGB(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h, pixelcopy_t *param)
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{
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lock_t lock(this);
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Panel_FrameBufferBase::writeImageARGB(x, y, w, h, param);
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}
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void Panel_sdl::writePixels(pixelcopy_t *param, uint32_t len, bool use_dma)
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{
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lock_t lock(this);
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Panel_FrameBufferBase::writePixels(param, len, use_dma);
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}
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void Panel_sdl::display(uint_fast16_t x, uint_fast16_t y, uint_fast16_t w, uint_fast16_t h)
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{
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(void)x;
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(void)y;
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(void)w;
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(void)h;
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if (_in_step_exec) {
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if (_display_counter != _modified_counter) {
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do {
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SDL_SemPost(_update_in_semaphore);
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SDL_SemWaitTimeout(_update_out_semaphore, 1);
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} while (_display_counter != _modified_counter);
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SDL_Delay(1);
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}
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}
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}
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uint_fast8_t Panel_sdl::getTouchRaw(touch_point_t *tp, uint_fast8_t count)
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{
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(void)count;
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tp->x = monitor.touch_x;
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tp->y = monitor.touch_y;
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tp->size = monitor.touched ? 1 : 0;
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tp->id = 0;
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return monitor.touched;
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}
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void Panel_sdl::setWindowTitle(const char *title)
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{
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_window_title = title;
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if (monitor.window) {
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SDL_SetWindowTitle(monitor.window, _window_title);
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}
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}
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void Panel_sdl::_update_scaling(monitor_t *mon, float sx, float sy)
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{
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mon->scaling_x = sx;
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mon->scaling_y = sy;
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int nw = mon->frame_width;
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int nh = mon->frame_height;
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if (mon->frame_rotation & 1) {
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std::swap(nw, nh);
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}
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int x, y, w, h;
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int rw, rh;
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SDL_GetRendererOutputSize(mon->renderer, &rw, &rh);
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SDL_GetWindowSize(mon->window, &w, &h);
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nw = nw * sx * w / rw;
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nh = nh * sy * h / rh;
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SDL_GetWindowPosition(mon->window, &x, &y);
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SDL_SetWindowSize(mon->window, nw, nh);
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SDL_SetWindowPosition(mon->window, x + (w - nw) / 2, y + (h - nh) / 2);
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mon->panel->sdl_invalidate();
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}
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void Panel_sdl::sdl_create(monitor_t *m)
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{
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int flag = SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI;
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#if SDL_FULLSCREEN
|
||
flag |= SDL_WINDOW_FULLSCREEN;
|
||
#endif
|
||
|
||
if (m->frame_width < _cfg.panel_width) {
|
||
m->frame_width = _cfg.panel_width;
|
||
}
|
||
if (m->frame_height < _cfg.panel_height) {
|
||
m->frame_height = _cfg.panel_height;
|
||
}
|
||
|
||
int window_width = m->frame_width * m->scaling_x;
|
||
int window_height = m->frame_height * m->scaling_y;
|
||
int scaling_x = m->scaling_x;
|
||
int scaling_y = m->scaling_y;
|
||
if (m->frame_rotation & 1) {
|
||
std::swap(window_width, window_height);
|
||
std::swap(scaling_x, scaling_y);
|
||
}
|
||
|
||
{
|
||
m->window = SDL_CreateWindow(_window_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, window_width, window_height,
|
||
flag); /*last param. SDL_WINDOW_BORDERLESS to hide borders*/
|
||
}
|
||
m->renderer = SDL_CreateRenderer(m->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
|
||
m->texture =
|
||
SDL_CreateTexture(m->renderer, SDL_PIXELFORMAT_RGB24, SDL_TEXTUREACCESS_STREAMING, _cfg.panel_width, _cfg.panel_height);
|
||
SDL_SetTextureBlendMode(m->texture, SDL_BLENDMODE_NONE);
|
||
|
||
if (m->frame_image) {
|
||
// 枠画像用のサーフェイスを作成
|
||
auto sf = SDL_CreateRGBSurfaceFrom((void *)m->frame_image, m->frame_width, m->frame_height, 32, m->frame_width * 4,
|
||
0xFF000000, 0xFF0000, 0xFF00, 0xFF);
|
||
if (sf != nullptr) {
|
||
// 枠画像からテクスチャを作成
|
||
m->texture_frameimage = SDL_CreateTextureFromSurface(m->renderer, sf);
|
||
SDL_FreeSurface(sf);
|
||
}
|
||
}
|
||
SDL_SetTextureBlendMode(m->texture_frameimage, SDL_BLENDMODE_BLEND);
|
||
_update_scaling(m, scaling_x, scaling_y);
|
||
}
|
||
|
||
void Panel_sdl::sdl_update(void)
|
||
{
|
||
if (monitor.renderer == nullptr) {
|
||
sdl_create(&monitor);
|
||
}
|
||
|
||
bool step_exec = _in_step_exec;
|
||
|
||
if (_texupdate_counter != _modified_counter) {
|
||
pixelcopy_t pc(nullptr, color_depth_t::rgb888_3Byte, _write_depth, false);
|
||
if (_write_depth == rgb565_2Byte) {
|
||
pc.fp_copy = pixelcopy_t::copy_rgb_fast<bgr888_t, swap565_t>;
|
||
} else if (_write_depth == rgb888_3Byte) {
|
||
pc.fp_copy = pixelcopy_t::copy_rgb_fast<bgr888_t, bgr888_t>;
|
||
} else if (_write_depth == rgb332_1Byte) {
|
||
pc.fp_copy = pixelcopy_t::copy_rgb_fast<bgr888_t, rgb332_t>;
|
||
} else if (_write_depth == grayscale_8bit) {
|
||
pc.fp_copy = pixelcopy_t::copy_rgb_fast<bgr888_t, grayscale_t>;
|
||
}
|
||
|
||
if (0 == SDL_LockMutex(_sdl_mutex)) {
|
||
_texupdate_counter = _modified_counter;
|
||
for (int y = 0; y < _cfg.panel_height; ++y) {
|
||
pc.src_x32 = 0;
|
||
pc.src_data = _lines_buffer[y];
|
||
pc.fp_copy(&_texturebuf[y * _cfg.panel_width], 0, _cfg.panel_width, &pc);
|
||
}
|
||
SDL_UnlockMutex(_sdl_mutex);
|
||
SDL_UpdateTexture(monitor.texture, nullptr, _texturebuf, _cfg.panel_width * sizeof(rgb888_t));
|
||
}
|
||
}
|
||
|
||
int angle = monitor.frame_angle;
|
||
int target = (monitor.frame_rotation) * 90;
|
||
angle = (((target * 4) + (angle * 4) + (angle < target ? 8 : 0)) >> 3);
|
||
|
||
if (monitor.frame_angle != angle) { // 表示する向きを変える
|
||
monitor.frame_angle = angle;
|
||
sdl_invalidate();
|
||
} else if (monitor.frame_rotation & ~3u) {
|
||
monitor.frame_rotation &= 3;
|
||
monitor.frame_angle = (monitor.frame_rotation) * 90;
|
||
sdl_invalidate();
|
||
}
|
||
|
||
if (_invalidated || (_display_counter != _texupdate_counter)) {
|
||
SDL_RendererInfo info;
|
||
if (0 == SDL_GetRendererInfo(monitor.renderer, &info)) {
|
||
// ステップ実行中はVSYNCを待機しない
|
||
if (((bool)(info.flags & SDL_RENDERER_PRESENTVSYNC)) == step_exec) {
|
||
SDL_RenderSetVSync(monitor.renderer, !step_exec);
|
||
}
|
||
}
|
||
{
|
||
int red = 0;
|
||
int green = 0;
|
||
int blue = 0;
|
||
#if defined(M5GFX_BACK_COLOR)
|
||
red = ((M5GFX_BACK_COLOR) >> 16) & 0xFF;
|
||
green = ((M5GFX_BACK_COLOR) >> 8) & 0xFF;
|
||
blue = ((M5GFX_BACK_COLOR)) & 0xFF;
|
||
#endif
|
||
SDL_SetRenderDrawColor(monitor.renderer, red, green, blue, 0xFF);
|
||
}
|
||
SDL_RenderClear(monitor.renderer);
|
||
if (_invalidated) {
|
||
_invalidated = false;
|
||
int mw, mh;
|
||
SDL_GetRendererOutputSize(monitor.renderer, &mw, &mh);
|
||
}
|
||
render_texture(monitor.texture, monitor.frame_inner_x, monitor.frame_inner_y, _cfg.panel_width, _cfg.panel_height, angle);
|
||
render_texture(monitor.texture_frameimage, 0, 0, monitor.frame_width, monitor.frame_height, angle);
|
||
SDL_RenderPresent(monitor.renderer);
|
||
_display_counter = _texupdate_counter;
|
||
if (_invalidated) {
|
||
_invalidated = false;
|
||
SDL_SetRenderDrawColor(monitor.renderer, 0, 0, 0, 0xFF);
|
||
SDL_RenderClear(monitor.renderer);
|
||
render_texture(monitor.texture, monitor.frame_inner_x, monitor.frame_inner_y, _cfg.panel_width, _cfg.panel_height,
|
||
angle);
|
||
render_texture(monitor.texture_frameimage, 0, 0, monitor.frame_width, monitor.frame_height, angle);
|
||
SDL_RenderPresent(monitor.renderer);
|
||
}
|
||
}
|
||
}
|
||
|
||
void Panel_sdl::render_texture(SDL_Texture *texture, int tx, int ty, int tw, int th, float angle)
|
||
{
|
||
SDL_Point pivot;
|
||
pivot.x = (monitor.frame_width / 2.0f - tx) * (float)monitor.scaling_x;
|
||
pivot.y = (monitor.frame_height / 2.0f - ty) * (float)monitor.scaling_y;
|
||
SDL_Rect dstrect;
|
||
dstrect.w = tw * monitor.scaling_x;
|
||
dstrect.h = th * monitor.scaling_y;
|
||
int mw, mh;
|
||
SDL_GetRendererOutputSize(monitor.renderer, &mw, &mh);
|
||
dstrect.x = mw / 2.0f - pivot.x;
|
||
dstrect.y = mh / 2.0f - pivot.y;
|
||
SDL_RenderCopyEx(monitor.renderer, texture, nullptr, &dstrect, angle, &pivot, SDL_RendererFlip::SDL_FLIP_NONE);
|
||
}
|
||
|
||
bool Panel_sdl::initFrameBuffer(size_t width, size_t height)
|
||
{
|
||
uint8_t **lineArray = (uint8_t **)heap_alloc_dma(height * sizeof(uint8_t *));
|
||
if (nullptr == lineArray) {
|
||
return false;
|
||
}
|
||
|
||
_texturebuf = (rgb888_t *)heap_alloc_dma(width * height * sizeof(rgb888_t));
|
||
|
||
/// 8byte alignment;
|
||
width = (width + 7) & ~7u;
|
||
|
||
_lines_buffer = lineArray;
|
||
memset(lineArray, 0, height * sizeof(uint8_t *));
|
||
|
||
uint8_t *framebuffer = (uint8_t *)heap_alloc_dma(width * height + 16);
|
||
|
||
auto fb = framebuffer;
|
||
{
|
||
for (size_t y = 0; y < height; ++y) {
|
||
lineArray[y] = fb;
|
||
fb += width;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
void Panel_sdl::deinitFrameBuffer(void)
|
||
{
|
||
auto lines = _lines_buffer;
|
||
_lines_buffer = nullptr;
|
||
if (lines != nullptr) {
|
||
heap_free(lines[0]);
|
||
heap_free(lines);
|
||
}
|
||
if (_texturebuf) {
|
||
heap_free(_texturebuf);
|
||
_texturebuf = nullptr;
|
||
}
|
||
}
|
||
|
||
//----------------------------------------------------------------------------
|
||
} // namespace v1
|
||
} // namespace lgfx
|
||
|
||
#endif
|