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 ---
Changes in v2: None
.travis.yml | 2 +- arch/sandbox/config.mk | 2 +- arch/sandbox/cpu/sdl.c | 279 +++++++++++++++++++++++------------------ doc/arch/sandbox.rst | 2 +- 4 files changed, 158 insertions(+), 127 deletions(-)
diff --git a/.travis.yml b/.travis.yml index 3991eb7716..44e539038a 100644 --- a/.travis.yml +++ b/.travis.yml @@ -19,7 +19,7 @@ addons: - sparse - bc - build-essential - - libsdl1.2-dev + - libsdl2-dev - python - python-pyelftools - python3-virtualenv diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk index a225c9cbfa..189e9c2b0c 100644 --- a/arch/sandbox/config.mk +++ b/arch/sandbox/config.mk @@ -5,7 +5,7 @@ PLATFORM_CPPFLAGS += -D__SANDBOX__ -U_FORTIFY_SOURCE PLATFORM_CPPFLAGS += -DCONFIG_ARCH_MAP_SYSMEM PLATFORM_CPPFLAGS += -fPIC PLATFORM_LIBS += -lrt -SDL_CONFIG ?= sdl-config +SDL_CONFIG ?= sdl2-config
# Define this to avoid linking with SDL, which requires SDL libraries # This can solve 'sdl-config: Command not found' errors diff --git a/arch/sandbox/cpu/sdl.c b/arch/sandbox/cpu/sdl.c index dedf00ed35..58a9cc8168 100644 --- a/arch/sandbox/cpu/sdl.c +++ b/arch/sandbox/cpu/sdl.c @@ -7,7 +7,7 @@ #include <unistd.h> #include <stdbool.h> #include <linux/input.h> -#include <SDL.h> +#include <SDL2/SDL.h> #include <asm/state.h>
/** @@ -28,7 +28,6 @@ struct buf_info { /** * struct sdl_info - Information about our use of the SDL library * - * @screen: Surface used to draw on the screen * @width: Width of simulated LCD display * @height: Height of simulated LCD display * @depth: Depth of the display in bits per pixel (16 or 32) @@ -41,9 +40,10 @@ struct buf_info { * are setting up the next * @running: true if audio is running * @stopping: true if audio will stop once it runs out of data + * @texture: SDL texture to use for U-Boot display contents + * @renderer: SDL renderer to use */ static struct sdl_info { - SDL_Surface *screen; int width; int height; int depth; @@ -55,6 +55,8 @@ static struct sdl_info { struct buf_info buf[2]; bool running; bool stopping; + SDL_Texture *texture; + SDL_Renderer *renderer; } sdl;
static void sandbox_sdl_poll_events(void) @@ -106,13 +108,41 @@ int sandbox_sdl_init_display(int width, int height, int log2_bpp) printf("Unable to initialise SDL LCD: %s\n", SDL_GetError()); return -EPERM; } - SDL_WM_SetCaption("U-Boot", "U-Boot"); - sdl.width = width; sdl.height = height; sdl.depth = 1 << log2_bpp; sdl.pitch = sdl.width * sdl.depth / 8; - sdl.screen = SDL_SetVideoMode(width, height, 0, 0); + SDL_Window *screen = SDL_CreateWindow("U-Boot", SDL_WINDOWPOS_UNDEFINED, + SDL_WINDOWPOS_UNDEFINED, + sdl.width, sdl.height, 0); + if (!screen) { + printf("Unable to initialise SDL screen: %s\n", + SDL_GetError()); + return -EIO; + } + if (log2_bpp != 4 && log2_bpp != 5) { + printf("U-Boot SDL does not support depth %d\n", log2_bpp); + return -EINVAL; + } + sdl.renderer = SDL_CreateRenderer(screen, -1, + SDL_RENDERER_ACCELERATED | + SDL_RENDERER_PRESENTVSYNC); + if (!sdl.renderer) { + printf("Unable to initialise SDL renderer: %s\n", + SDL_GetError()); + return -EIO; + } + + sdl.texture = SDL_CreateTexture(sdl.renderer, log2_bpp == 4 ? + SDL_PIXELFORMAT_RGB565 : + SDL_PIXELFORMAT_RGB888, + SDL_TEXTUREACCESS_STREAMING, + width, height); + if (!sdl.texture) { + printf("Unable to initialise SDL texture: %s\n", + SDL_GetError()); + return -EBADF; + } sandbox_sdl_poll_events();
return 0; @@ -120,136 +150,137 @@ int sandbox_sdl_init_display(int width, int height, int log2_bpp)
int sandbox_sdl_sync(void *lcd_base) { - SDL_Surface *frame; - - frame = SDL_CreateRGBSurfaceFrom(lcd_base, sdl.width, sdl.height, - sdl.depth, sdl.pitch, - 0x1f << 11, 0x3f << 5, 0x1f << 0, 0); - SDL_BlitSurface(frame, NULL, sdl.screen, NULL); - SDL_FreeSurface(frame); - SDL_UpdateRect(sdl.screen, 0, 0, 0, 0); + SDL_UpdateTexture(sdl.texture, NULL, lcd_base, sdl.pitch); + SDL_RenderCopy(sdl.renderer, sdl.texture, NULL, NULL); + SDL_RenderPresent(sdl.renderer); sandbox_sdl_poll_events();
return 0; }
-#define NONE (-1) -#define NUM_SDL_CODES (SDLK_UNDO + 1) - -static int16_t sdl_to_keycode[NUM_SDL_CODES] = { - /* 0 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, KEY_BACKSPACE, KEY_TAB, - NONE, NONE, NONE, KEY_ENTER, NONE, - NONE, NONE, NONE, NONE, KEY_POWER, /* use PAUSE as POWER */ - - /* 20 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, KEY_ESC, NONE, NONE, - NONE, NONE, KEY_SPACE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 40 */ - NONE, NONE, NONE, NONE, KEY_COMMA, - KEY_MINUS, KEY_DOT, KEY_SLASH, KEY_0, KEY_1, - KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, - KEY_7, KEY_8, KEY_9, NONE, KEY_SEMICOLON, - - /* 60 */ - NONE, KEY_EQUAL, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 80 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, KEY_BACKSLASH, NONE, NONE, - NONE, KEY_GRAVE, KEY_A, KEY_B, KEY_C, - - /* 100 */ - KEY_D, KEY_E, KEY_F, KEY_G, KEY_H, - KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, - KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, - KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, - - /* 120 */ - KEY_X, KEY_Y, KEY_Z, NONE, NONE, - NONE, NONE, KEY_DELETE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 140 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 160 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 180 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 200 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 220 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 240 */ - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, NONE, NONE, NONE, NONE, - NONE, KEY_KP0, KEY_KP1, KEY_KP2, KEY_KP3, - - /* 260 */ - KEY_KP4, KEY_KP5, KEY_KP6, KEY_KP7, KEY_KP8, - KEY_KP9, KEY_KPDOT, KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS, - KEY_KPPLUS, KEY_KPENTER, KEY_KPEQUAL, KEY_UP, KEY_DOWN, - KEY_RIGHT, KEY_LEFT, KEY_INSERT, KEY_HOME, KEY_END, - - /* 280 */ - KEY_PAGEUP, KEY_PAGEDOWN, KEY_F1, KEY_F2, KEY_F3, - KEY_F4, KEY_F5, KEY_F6, KEY_F7, KEY_F8, - KEY_F9, KEY_F10, KEY_F11, KEY_F12, NONE, - NONE, NONE, NONE, NONE, NONE, - - /* 300 */ - KEY_NUMLOCK, KEY_CAPSLOCK, KEY_SCROLLLOCK, KEY_RIGHTSHIFT, - KEY_LEFTSHIFT, - KEY_RIGHTCTRL, KEY_LEFTCTRL, KEY_RIGHTALT, KEY_LEFTALT, KEY_RIGHTMETA, - KEY_LEFTMETA, NONE, KEY_FN, NONE, KEY_COMPOSE, - NONE, KEY_PRINT, KEY_SYSRQ, KEY_PAUSE, NONE, - - /* 320 */ - NONE, NONE, NONE, +static const unsigned short sdl_to_keycode[SDL_NUM_SCANCODES] = { + [SDL_SCANCODE_A] = KEY_A, + [SDL_SCANCODE_B] = KEY_B, + [SDL_SCANCODE_C] = KEY_C, + [SDL_SCANCODE_D] = KEY_D, + [SDL_SCANCODE_E] = KEY_E, + [SDL_SCANCODE_F] = KEY_F, + [SDL_SCANCODE_G] = KEY_G, + [SDL_SCANCODE_H] = KEY_H, + [SDL_SCANCODE_I] = KEY_I, + [SDL_SCANCODE_J] = KEY_J, + [SDL_SCANCODE_K] = KEY_K, + [SDL_SCANCODE_L] = KEY_L, + [SDL_SCANCODE_M] = KEY_M, + [SDL_SCANCODE_N] = KEY_N, + [SDL_SCANCODE_O] = KEY_O, + [SDL_SCANCODE_P] = KEY_P, + [SDL_SCANCODE_Q] = KEY_Q, + [SDL_SCANCODE_R] = KEY_R, + [SDL_SCANCODE_S] = KEY_S, + [SDL_SCANCODE_T] = KEY_T, + [SDL_SCANCODE_U] = KEY_U, + [SDL_SCANCODE_V] = KEY_V, + [SDL_SCANCODE_W] = KEY_W, + [SDL_SCANCODE_X] = KEY_X, + [SDL_SCANCODE_Y] = KEY_Y, + [SDL_SCANCODE_Z] = KEY_Z, + + [SDL_SCANCODE_1] = KEY_1, + [SDL_SCANCODE_2] = KEY_2, + [SDL_SCANCODE_3] = KEY_3, + [SDL_SCANCODE_4] = KEY_4, + [SDL_SCANCODE_5] = KEY_5, + [SDL_SCANCODE_6] = KEY_6, + [SDL_SCANCODE_7] = KEY_7, + [SDL_SCANCODE_8] = KEY_8, + [SDL_SCANCODE_9] = KEY_9, + [SDL_SCANCODE_0] = KEY_0, + + [SDL_SCANCODE_RETURN] = KEY_ENTER, + [SDL_SCANCODE_ESCAPE] = KEY_ESC, + [SDL_SCANCODE_BACKSPACE] = KEY_BACKSPACE, + [SDL_SCANCODE_TAB] = KEY_TAB, + [SDL_SCANCODE_SPACE] = KEY_SPACE, + + [SDL_SCANCODE_MINUS] = KEY_MINUS, + [SDL_SCANCODE_EQUALS] = KEY_EQUAL, + [SDL_SCANCODE_BACKSLASH] = KEY_BACKSLASH, + [SDL_SCANCODE_SEMICOLON] = KEY_SEMICOLON, + [SDL_SCANCODE_APOSTROPHE] = KEY_APOSTROPHE, + [SDL_SCANCODE_GRAVE] = KEY_GRAVE, + [SDL_SCANCODE_COMMA] = KEY_COMMA, + [SDL_SCANCODE_PERIOD] = KEY_DOT, + [SDL_SCANCODE_SLASH] = KEY_SLASH, + + [SDL_SCANCODE_CAPSLOCK] = KEY_CAPSLOCK, + + [SDL_SCANCODE_F1] = KEY_F1, + [SDL_SCANCODE_F2] = KEY_F2, + [SDL_SCANCODE_F3] = KEY_F3, + [SDL_SCANCODE_F4] = KEY_F4, + [SDL_SCANCODE_F5] = KEY_F5, + [SDL_SCANCODE_F6] = KEY_F6, + [SDL_SCANCODE_F7] = KEY_F7, + [SDL_SCANCODE_F8] = KEY_F8, + [SDL_SCANCODE_F9] = KEY_F9, + [SDL_SCANCODE_F10] = KEY_F10, + [SDL_SCANCODE_F11] = KEY_F11, + [SDL_SCANCODE_F12] = KEY_F12, + + [SDL_SCANCODE_PRINTSCREEN] = KEY_PRINT, + [SDL_SCANCODE_SCROLLLOCK] = KEY_SCROLLLOCK, + [SDL_SCANCODE_PAUSE] = KEY_PAUSE, + [SDL_SCANCODE_INSERT] = KEY_INSERT, + [SDL_SCANCODE_HOME] = KEY_HOME, + [SDL_SCANCODE_PAGEUP] = KEY_PAGEUP, + [SDL_SCANCODE_DELETE] = KEY_DELETE, + [SDL_SCANCODE_END] = KEY_END, + [SDL_SCANCODE_PAGEDOWN] = KEY_PAGEDOWN, + [SDL_SCANCODE_RIGHT] = KEY_RIGHT, + [SDL_SCANCODE_LEFT] = KEY_LEFT, + [SDL_SCANCODE_DOWN] = KEY_DOWN, + [SDL_SCANCODE_UP] = KEY_UP, + + [SDL_SCANCODE_NUMLOCKCLEAR] = KEY_NUMLOCK, + [SDL_SCANCODE_KP_DIVIDE] = KEY_KPSLASH, + [SDL_SCANCODE_KP_MULTIPLY] = KEY_KPASTERISK, + [SDL_SCANCODE_KP_MINUS] = KEY_KPMINUS, + [SDL_SCANCODE_KP_PLUS] = KEY_KPPLUS, + [SDL_SCANCODE_KP_ENTER] = KEY_KPENTER, + [SDL_SCANCODE_KP_1] = KEY_KP1, + [SDL_SCANCODE_KP_2] = KEY_KP2, + [SDL_SCANCODE_KP_3] = KEY_KP3, + [SDL_SCANCODE_KP_4] = KEY_KP4, + [SDL_SCANCODE_KP_5] = KEY_KP5, + [SDL_SCANCODE_KP_6] = KEY_KP6, + [SDL_SCANCODE_KP_7] = KEY_KP7, + [SDL_SCANCODE_KP_8] = KEY_KP8, + [SDL_SCANCODE_KP_9] = KEY_KP9, + [SDL_SCANCODE_KP_0] = KEY_KP0, + [SDL_SCANCODE_KP_PERIOD] = KEY_KPDOT, + + [SDL_SCANCODE_KP_EQUALS] = KEY_KPEQUAL, + [SDL_SCANCODE_KP_COMMA] = KEY_KPCOMMA, + + [SDL_SCANCODE_SYSREQ] = KEY_SYSRQ, };
int sandbox_sdl_scan_keys(int key[], int max_keys) { - Uint8 *keystate; + const Uint8 *keystate; + int num_keys; int i, count;
sandbox_sdl_poll_events(); - keystate = SDL_GetKeyState(NULL); - for (i = count = 0; i < NUM_SDL_CODES; i++) { - if (count >= max_keys) - break; - else if (keystate[i]) - key[count++] = sdl_to_keycode[i]; + keystate = SDL_GetKeyboardState(&num_keys); + for (i = count = 0; i < num_keys; i++) { + if (count < max_keys && keystate[i]) { + int keycode = sdl_to_keycode[i]; + + if (keycode) + key[count++] = keycode; + } }
return count; diff --git a/doc/arch/sandbox.rst b/doc/arch/sandbox.rst index e1f4dde6f8..e577a95716 100644 --- a/doc/arch/sandbox.rst +++ b/doc/arch/sandbox.rst @@ -43,7 +43,7 @@ To run sandbox U-Boot use something like:: ./u-boot
Note: If you get errors about 'sdl-config: Command not found' you may need to -install libsdl1.2-dev or similar to get SDL support. Alternatively you can +install libsdl2.0-dev or similar to get SDL support. Alternatively you can build sandbox without SDL (i.e. no display/keyboard support) by removing the CONFIG_SANDBOX_SDL line in include/configs/sandbox.h or using::