mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 15:14:43 +00:00
sandbox: sdl: Move to use SDL2
Sandbox currently uses SDL1.2. SDL2 has been around for quite a while and is widely supported. It has a number of useful features. It seems appropriate to move sandbox over. Update the code to use SDL2 instead of SDL1.2. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
parent
af800722eb
commit
96d0cd4604
4 changed files with 149 additions and 118 deletions
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@ -19,7 +19,7 @@ addons:
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- sparse
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- bc
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- build-essential
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- libsdl1.2-dev
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- libsdl2-dev
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- python
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- python-pyelftools
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- python3-virtualenv
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@ -5,7 +5,7 @@ PLATFORM_CPPFLAGS += -D__SANDBOX__ -U_FORTIFY_SOURCE
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PLATFORM_CPPFLAGS += -DCONFIG_ARCH_MAP_SYSMEM
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PLATFORM_CPPFLAGS += -fPIC
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PLATFORM_LIBS += -lrt
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SDL_CONFIG ?= sdl-config
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SDL_CONFIG ?= sdl2-config
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# Define this to avoid linking with SDL, which requires SDL libraries
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# This can solve 'sdl-config: Command not found' errors
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@ -7,7 +7,7 @@
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#include <unistd.h>
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#include <stdbool.h>
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#include <linux/input.h>
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#include <SDL.h>
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#include <SDL2/SDL.h>
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#include <asm/state.h>
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/**
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@ -28,7 +28,6 @@ struct buf_info {
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/**
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* struct sdl_info - Information about our use of the SDL library
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*
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* @screen: Surface used to draw on the screen
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* @width: Width of simulated LCD display
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* @height: Height of simulated LCD display
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* @depth: Depth of the display in bits per pixel (16 or 32)
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@ -41,9 +40,10 @@ struct buf_info {
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* are setting up the next
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* @running: true if audio is running
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* @stopping: true if audio will stop once it runs out of data
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* @texture: SDL texture to use for U-Boot display contents
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* @renderer: SDL renderer to use
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*/
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static struct sdl_info {
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SDL_Surface *screen;
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int width;
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int height;
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int depth;
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@ -55,6 +55,8 @@ static struct sdl_info {
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struct buf_info buf[2];
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bool running;
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bool stopping;
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SDL_Texture *texture;
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SDL_Renderer *renderer;
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} sdl;
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static void sandbox_sdl_poll_events(void)
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@ -106,13 +108,41 @@ int sandbox_sdl_init_display(int width, int height, int log2_bpp)
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printf("Unable to initialise SDL LCD: %s\n", SDL_GetError());
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return -EPERM;
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}
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SDL_WM_SetCaption("U-Boot", "U-Boot");
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sdl.width = width;
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sdl.height = height;
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sdl.depth = 1 << log2_bpp;
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sdl.pitch = sdl.width * sdl.depth / 8;
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sdl.screen = SDL_SetVideoMode(width, height, 0, 0);
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SDL_Window *screen = SDL_CreateWindow("U-Boot", SDL_WINDOWPOS_UNDEFINED,
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SDL_WINDOWPOS_UNDEFINED,
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sdl.width, sdl.height, 0);
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if (!screen) {
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printf("Unable to initialise SDL screen: %s\n",
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SDL_GetError());
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return -EIO;
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}
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if (log2_bpp != 4 && log2_bpp != 5) {
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printf("U-Boot SDL does not support depth %d\n", log2_bpp);
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return -EINVAL;
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}
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sdl.renderer = SDL_CreateRenderer(screen, -1,
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SDL_RENDERER_ACCELERATED |
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SDL_RENDERER_PRESENTVSYNC);
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if (!sdl.renderer) {
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printf("Unable to initialise SDL renderer: %s\n",
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SDL_GetError());
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return -EIO;
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}
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sdl.texture = SDL_CreateTexture(sdl.renderer, log2_bpp == 4 ?
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SDL_PIXELFORMAT_RGB565 :
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SDL_PIXELFORMAT_RGB888,
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SDL_TEXTUREACCESS_STREAMING,
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width, height);
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if (!sdl.texture) {
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printf("Unable to initialise SDL texture: %s\n",
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SDL_GetError());
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return -EBADF;
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}
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sandbox_sdl_poll_events();
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return 0;
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@ -120,136 +150,137 @@ int sandbox_sdl_init_display(int width, int height, int log2_bpp)
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int sandbox_sdl_sync(void *lcd_base)
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{
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SDL_Surface *frame;
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frame = SDL_CreateRGBSurfaceFrom(lcd_base, sdl.width, sdl.height,
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sdl.depth, sdl.pitch,
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0x1f << 11, 0x3f << 5, 0x1f << 0, 0);
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SDL_BlitSurface(frame, NULL, sdl.screen, NULL);
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SDL_FreeSurface(frame);
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SDL_UpdateRect(sdl.screen, 0, 0, 0, 0);
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SDL_UpdateTexture(sdl.texture, NULL, lcd_base, sdl.pitch);
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SDL_RenderCopy(sdl.renderer, sdl.texture, NULL, NULL);
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SDL_RenderPresent(sdl.renderer);
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sandbox_sdl_poll_events();
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return 0;
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}
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#define NONE (-1)
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#define NUM_SDL_CODES (SDLK_UNDO + 1)
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static const unsigned short sdl_to_keycode[SDL_NUM_SCANCODES] = {
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[SDL_SCANCODE_A] = KEY_A,
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[SDL_SCANCODE_B] = KEY_B,
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[SDL_SCANCODE_C] = KEY_C,
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[SDL_SCANCODE_D] = KEY_D,
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[SDL_SCANCODE_E] = KEY_E,
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[SDL_SCANCODE_F] = KEY_F,
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[SDL_SCANCODE_G] = KEY_G,
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[SDL_SCANCODE_H] = KEY_H,
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[SDL_SCANCODE_I] = KEY_I,
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[SDL_SCANCODE_J] = KEY_J,
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[SDL_SCANCODE_K] = KEY_K,
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[SDL_SCANCODE_L] = KEY_L,
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[SDL_SCANCODE_M] = KEY_M,
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[SDL_SCANCODE_N] = KEY_N,
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[SDL_SCANCODE_O] = KEY_O,
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[SDL_SCANCODE_P] = KEY_P,
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[SDL_SCANCODE_Q] = KEY_Q,
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[SDL_SCANCODE_R] = KEY_R,
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[SDL_SCANCODE_S] = KEY_S,
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[SDL_SCANCODE_T] = KEY_T,
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[SDL_SCANCODE_U] = KEY_U,
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[SDL_SCANCODE_V] = KEY_V,
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[SDL_SCANCODE_W] = KEY_W,
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[SDL_SCANCODE_X] = KEY_X,
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[SDL_SCANCODE_Y] = KEY_Y,
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[SDL_SCANCODE_Z] = KEY_Z,
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static int16_t sdl_to_keycode[NUM_SDL_CODES] = {
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/* 0 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, KEY_BACKSPACE, KEY_TAB,
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NONE, NONE, NONE, KEY_ENTER, NONE,
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NONE, NONE, NONE, NONE, KEY_POWER, /* use PAUSE as POWER */
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[SDL_SCANCODE_1] = KEY_1,
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[SDL_SCANCODE_2] = KEY_2,
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[SDL_SCANCODE_3] = KEY_3,
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[SDL_SCANCODE_4] = KEY_4,
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[SDL_SCANCODE_5] = KEY_5,
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[SDL_SCANCODE_6] = KEY_6,
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[SDL_SCANCODE_7] = KEY_7,
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[SDL_SCANCODE_8] = KEY_8,
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[SDL_SCANCODE_9] = KEY_9,
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[SDL_SCANCODE_0] = KEY_0,
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/* 20 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, KEY_ESC, NONE, NONE,
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NONE, NONE, KEY_SPACE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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[SDL_SCANCODE_RETURN] = KEY_ENTER,
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[SDL_SCANCODE_ESCAPE] = KEY_ESC,
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[SDL_SCANCODE_BACKSPACE] = KEY_BACKSPACE,
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[SDL_SCANCODE_TAB] = KEY_TAB,
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[SDL_SCANCODE_SPACE] = KEY_SPACE,
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/* 40 */
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NONE, NONE, NONE, NONE, KEY_COMMA,
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KEY_MINUS, KEY_DOT, KEY_SLASH, KEY_0, KEY_1,
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KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
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KEY_7, KEY_8, KEY_9, NONE, KEY_SEMICOLON,
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[SDL_SCANCODE_MINUS] = KEY_MINUS,
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[SDL_SCANCODE_EQUALS] = KEY_EQUAL,
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[SDL_SCANCODE_BACKSLASH] = KEY_BACKSLASH,
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[SDL_SCANCODE_SEMICOLON] = KEY_SEMICOLON,
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[SDL_SCANCODE_APOSTROPHE] = KEY_APOSTROPHE,
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[SDL_SCANCODE_GRAVE] = KEY_GRAVE,
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[SDL_SCANCODE_COMMA] = KEY_COMMA,
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[SDL_SCANCODE_PERIOD] = KEY_DOT,
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[SDL_SCANCODE_SLASH] = KEY_SLASH,
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/* 60 */
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NONE, KEY_EQUAL, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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[SDL_SCANCODE_CAPSLOCK] = KEY_CAPSLOCK,
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/* 80 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, KEY_BACKSLASH, NONE, NONE,
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NONE, KEY_GRAVE, KEY_A, KEY_B, KEY_C,
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[SDL_SCANCODE_F1] = KEY_F1,
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[SDL_SCANCODE_F2] = KEY_F2,
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[SDL_SCANCODE_F3] = KEY_F3,
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[SDL_SCANCODE_F4] = KEY_F4,
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[SDL_SCANCODE_F5] = KEY_F5,
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[SDL_SCANCODE_F6] = KEY_F6,
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[SDL_SCANCODE_F7] = KEY_F7,
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[SDL_SCANCODE_F8] = KEY_F8,
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[SDL_SCANCODE_F9] = KEY_F9,
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[SDL_SCANCODE_F10] = KEY_F10,
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[SDL_SCANCODE_F11] = KEY_F11,
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[SDL_SCANCODE_F12] = KEY_F12,
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/* 100 */
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KEY_D, KEY_E, KEY_F, KEY_G, KEY_H,
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KEY_I, KEY_J, KEY_K, KEY_L, KEY_M,
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KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R,
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KEY_S, KEY_T, KEY_U, KEY_V, KEY_W,
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[SDL_SCANCODE_PRINTSCREEN] = KEY_PRINT,
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[SDL_SCANCODE_SCROLLLOCK] = KEY_SCROLLLOCK,
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[SDL_SCANCODE_PAUSE] = KEY_PAUSE,
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[SDL_SCANCODE_INSERT] = KEY_INSERT,
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[SDL_SCANCODE_HOME] = KEY_HOME,
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[SDL_SCANCODE_PAGEUP] = KEY_PAGEUP,
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[SDL_SCANCODE_DELETE] = KEY_DELETE,
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[SDL_SCANCODE_END] = KEY_END,
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[SDL_SCANCODE_PAGEDOWN] = KEY_PAGEDOWN,
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[SDL_SCANCODE_RIGHT] = KEY_RIGHT,
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[SDL_SCANCODE_LEFT] = KEY_LEFT,
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[SDL_SCANCODE_DOWN] = KEY_DOWN,
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[SDL_SCANCODE_UP] = KEY_UP,
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/* 120 */
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KEY_X, KEY_Y, KEY_Z, NONE, NONE,
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NONE, NONE, KEY_DELETE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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[SDL_SCANCODE_NUMLOCKCLEAR] = KEY_NUMLOCK,
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[SDL_SCANCODE_KP_DIVIDE] = KEY_KPSLASH,
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[SDL_SCANCODE_KP_MULTIPLY] = KEY_KPASTERISK,
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[SDL_SCANCODE_KP_MINUS] = KEY_KPMINUS,
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[SDL_SCANCODE_KP_PLUS] = KEY_KPPLUS,
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[SDL_SCANCODE_KP_ENTER] = KEY_KPENTER,
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[SDL_SCANCODE_KP_1] = KEY_KP1,
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[SDL_SCANCODE_KP_2] = KEY_KP2,
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[SDL_SCANCODE_KP_3] = KEY_KP3,
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[SDL_SCANCODE_KP_4] = KEY_KP4,
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[SDL_SCANCODE_KP_5] = KEY_KP5,
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[SDL_SCANCODE_KP_6] = KEY_KP6,
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[SDL_SCANCODE_KP_7] = KEY_KP7,
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[SDL_SCANCODE_KP_8] = KEY_KP8,
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[SDL_SCANCODE_KP_9] = KEY_KP9,
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[SDL_SCANCODE_KP_0] = KEY_KP0,
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[SDL_SCANCODE_KP_PERIOD] = KEY_KPDOT,
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/* 140 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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[SDL_SCANCODE_KP_EQUALS] = KEY_KPEQUAL,
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[SDL_SCANCODE_KP_COMMA] = KEY_KPCOMMA,
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/* 160 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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/* 180 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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/* 200 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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/* 220 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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/* 240 */
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, NONE, NONE, NONE, NONE,
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NONE, KEY_KP0, KEY_KP1, KEY_KP2, KEY_KP3,
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/* 260 */
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KEY_KP4, KEY_KP5, KEY_KP6, KEY_KP7, KEY_KP8,
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KEY_KP9, KEY_KPDOT, KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS,
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KEY_KPPLUS, KEY_KPENTER, KEY_KPEQUAL, KEY_UP, KEY_DOWN,
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KEY_RIGHT, KEY_LEFT, KEY_INSERT, KEY_HOME, KEY_END,
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/* 280 */
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KEY_PAGEUP, KEY_PAGEDOWN, KEY_F1, KEY_F2, KEY_F3,
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KEY_F4, KEY_F5, KEY_F6, KEY_F7, KEY_F8,
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KEY_F9, KEY_F10, KEY_F11, KEY_F12, NONE,
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NONE, NONE, NONE, NONE, NONE,
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/* 300 */
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KEY_NUMLOCK, KEY_CAPSLOCK, KEY_SCROLLLOCK, KEY_RIGHTSHIFT,
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KEY_LEFTSHIFT,
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KEY_RIGHTCTRL, KEY_LEFTCTRL, KEY_RIGHTALT, KEY_LEFTALT, KEY_RIGHTMETA,
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KEY_LEFTMETA, NONE, KEY_FN, NONE, KEY_COMPOSE,
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NONE, KEY_PRINT, KEY_SYSRQ, KEY_PAUSE, NONE,
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/* 320 */
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NONE, NONE, NONE,
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[SDL_SCANCODE_SYSREQ] = KEY_SYSRQ,
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};
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int sandbox_sdl_scan_keys(int key[], int max_keys)
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{
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Uint8 *keystate;
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const Uint8 *keystate;
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int num_keys;
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int i, count;
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sandbox_sdl_poll_events();
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keystate = SDL_GetKeyState(NULL);
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for (i = count = 0; i < NUM_SDL_CODES; i++) {
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if (count >= max_keys)
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break;
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else if (keystate[i])
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key[count++] = sdl_to_keycode[i];
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keystate = SDL_GetKeyboardState(&num_keys);
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for (i = count = 0; i < num_keys; i++) {
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if (count < max_keys && keystate[i]) {
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int keycode = sdl_to_keycode[i];
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if (keycode)
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key[count++] = keycode;
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}
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}
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return count;
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@ -43,7 +43,7 @@ To run sandbox U-Boot use something like::
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./u-boot
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Note: If you get errors about 'sdl-config: Command not found' you may need to
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install libsdl1.2-dev or similar to get SDL support. Alternatively you can
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install libsdl2.0-dev or similar to get SDL support. Alternatively you can
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build sandbox without SDL (i.e. no display/keyboard support) by removing
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the CONFIG_SANDBOX_SDL line in include/configs/sandbox.h or using::
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