diff options
Diffstat (limited to '3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c b/3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c deleted file mode 100644 index ae9bdfd5cbf..00000000000 --- a/3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c +++ /dev/null @@ -1,325 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_RPI - -#include "SDL_assert.h" -#include "SDL_surface.h" -#include "SDL_hints.h" - -#include "SDL_rpivideo.h" -#include "SDL_rpimouse.h" - -#include "../SDL_sysvideo.h" -#include "../../events/SDL_mouse_c.h" -#include "../../events/default_cursor.h" - -/* Copied from vc_vchi_dispmanx.h which is bugged and tries to include a non existing file */ -/* Attributes changes flag mask */ -#define ELEMENT_CHANGE_LAYER (1<<0) -#define ELEMENT_CHANGE_OPACITY (1<<1) -#define ELEMENT_CHANGE_DEST_RECT (1<<2) -#define ELEMENT_CHANGE_SRC_RECT (1<<3) -#define ELEMENT_CHANGE_MASK_RESOURCE (1<<4) -#define ELEMENT_CHANGE_TRANSFORM (1<<5) -/* End copied from vc_vchi_dispmanx.h */ - -static SDL_Cursor *RPI_CreateDefaultCursor(void); -static SDL_Cursor *RPI_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y); -static int RPI_ShowCursor(SDL_Cursor * cursor); -static void RPI_MoveCursor(SDL_Cursor * cursor); -static void RPI_FreeCursor(SDL_Cursor * cursor); -static void RPI_WarpMouse(SDL_Window * window, int x, int y); -static int RPI_WarpMouseGlobal(int x, int y); - -static SDL_Cursor * -RPI_CreateDefaultCursor(void) -{ - return SDL_CreateCursor(default_cdata, default_cmask, DEFAULT_CWIDTH, DEFAULT_CHEIGHT, DEFAULT_CHOTX, DEFAULT_CHOTY); -} - -/* Create a cursor from a surface */ -static SDL_Cursor * -RPI_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y) -{ - RPI_CursorData *curdata; - SDL_Cursor *cursor; - int ret; - VC_RECT_T dst_rect; - Uint32 dummy; - - SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888); - SDL_assert(surface->pitch == surface->w * 4); - - cursor = (SDL_Cursor *) SDL_calloc(1, sizeof(*cursor)); - if (cursor == NULL) { - SDL_OutOfMemory(); - return NULL; - } - curdata = (RPI_CursorData *) SDL_calloc(1, sizeof(*curdata)); - if (curdata == NULL) { - SDL_OutOfMemory(); - SDL_free(cursor); - return NULL; - } - - curdata->hot_x = hot_x; - curdata->hot_y = hot_y; - curdata->w = surface->w; - curdata->h = surface->h; - - /* This usage is inspired by Wayland/Weston RPI code, how they figured this out is anyone's guess */ - curdata->resource = vc_dispmanx_resource_create(VC_IMAGE_ARGB8888, surface->w | (surface->pitch << 16), surface->h | (surface->h << 16), &dummy); - SDL_assert(curdata->resource); - vc_dispmanx_rect_set(&dst_rect, 0, 0, curdata->w, curdata->h); - /* A note from Weston: - * vc_dispmanx_resource_write_data() ignores ifmt, - * rect.x, rect.width, and uses stride only for computing - * the size of the transfer as rect.height * stride. - * Therefore we can only write rows starting at x=0. - */ - ret = vc_dispmanx_resource_write_data(curdata->resource, VC_IMAGE_ARGB8888, surface->pitch, surface->pixels, &dst_rect); - SDL_assert (ret == DISPMANX_SUCCESS); - - cursor->driverdata = curdata; - - return cursor; - -} - -/* Show the specified cursor, or hide if cursor is NULL */ -static int -RPI_ShowCursor(SDL_Cursor * cursor) -{ - int ret; - DISPMANX_UPDATE_HANDLE_T update; - RPI_CursorData *curdata; - VC_RECT_T src_rect, dst_rect; - SDL_Mouse *mouse; - SDL_VideoDisplay *display; - SDL_DisplayData *data; - VC_DISPMANX_ALPHA_T alpha = { DISPMANX_FLAGS_ALPHA_FROM_SOURCE /* flags */ , 255 /*opacity 0->255*/, 0 /* mask */ }; - uint32_t layer = SDL_RPI_MOUSELAYER; - const char *env; - - mouse = SDL_GetMouse(); - if (mouse == NULL) { - return -1; - } - - if (cursor == NULL) { - /* FIXME: We hide the current mouse's cursor, what we actually need is *_HideCursor */ - - if (mouse->cur_cursor != NULL && mouse->cur_cursor->driverdata != NULL) { - curdata = (RPI_CursorData *) mouse->cur_cursor->driverdata; - if (curdata->element > DISPMANX_NO_HANDLE) { - update = vc_dispmanx_update_start(10); - SDL_assert(update); - ret = vc_dispmanx_element_remove(update, curdata->element); - SDL_assert(ret == DISPMANX_SUCCESS); - ret = vc_dispmanx_update_submit_sync(update); - SDL_assert(ret == DISPMANX_SUCCESS); - curdata->element = DISPMANX_NO_HANDLE; - } - } - return 0; - } - - curdata = (RPI_CursorData *) cursor->driverdata; - if (curdata == NULL) { - return -1; - } - - if (mouse->focus == NULL) { - return -1; - } - - display = SDL_GetDisplayForWindow(mouse->focus); - if (display == NULL) { - return -1; - } - - data = (SDL_DisplayData*) display->driverdata; - if (data == NULL) { - return -1; - } - - if (curdata->element == DISPMANX_NO_HANDLE) { - vc_dispmanx_rect_set(&src_rect, 0, 0, curdata->w << 16, curdata->h << 16); - vc_dispmanx_rect_set(&dst_rect, 0, 0, curdata->w, curdata->h); - - update = vc_dispmanx_update_start(10); - SDL_assert(update); - - env = SDL_GetHint(SDL_HINT_RPI_VIDEO_LAYER); - if (env) { - layer = SDL_atoi(env) + 1; - } - - curdata->element = vc_dispmanx_element_add(update, - data->dispman_display, - layer, - &dst_rect, - curdata->resource, - &src_rect, - DISPMANX_PROTECTION_NONE, - &alpha, - DISPMANX_NO_HANDLE, // clamp - VC_IMAGE_ROT0); - SDL_assert(curdata->element > DISPMANX_NO_HANDLE); - ret = vc_dispmanx_update_submit_sync(update); - SDL_assert(ret == DISPMANX_SUCCESS); - } - - return 0; -} - -/* Free a window manager cursor */ -static void -RPI_FreeCursor(SDL_Cursor * cursor) -{ - int ret; - DISPMANX_UPDATE_HANDLE_T update; - RPI_CursorData *curdata; - - if (cursor != NULL) { - curdata = (RPI_CursorData *) cursor->driverdata; - - if (curdata != NULL) { - if (curdata->element != DISPMANX_NO_HANDLE) { - update = vc_dispmanx_update_start(10); - SDL_assert(update); - ret = vc_dispmanx_element_remove(update, curdata->element); - SDL_assert(ret == DISPMANX_SUCCESS); - ret = vc_dispmanx_update_submit_sync(update); - SDL_assert(ret == DISPMANX_SUCCESS); - } - - if (curdata->resource != DISPMANX_NO_HANDLE) { - ret = vc_dispmanx_resource_delete(curdata->resource); - SDL_assert(ret == DISPMANX_SUCCESS); - } - - SDL_free(cursor->driverdata); - } - SDL_free(cursor); - } -} - -/* Warp the mouse to (x,y) */ -static void -RPI_WarpMouse(SDL_Window * window, int x, int y) -{ - RPI_WarpMouseGlobal(x, y); -} - -/* Warp the mouse to (x,y) */ -static int -RPI_WarpMouseGlobal(int x, int y) -{ - RPI_CursorData *curdata; - DISPMANX_UPDATE_HANDLE_T update; - int ret; - VC_RECT_T dst_rect; - VC_RECT_T src_rect; - SDL_Mouse *mouse = SDL_GetMouse(); - - if (mouse == NULL || mouse->cur_cursor == NULL || mouse->cur_cursor->driverdata == NULL) { - return 0; - } - - curdata = (RPI_CursorData *) mouse->cur_cursor->driverdata; - if (curdata->element == DISPMANX_NO_HANDLE) { - return 0; - } - - update = vc_dispmanx_update_start(10); - if (!update) { - return 0; - } - - src_rect.x = 0; - src_rect.y = 0; - src_rect.width = curdata->w << 16; - src_rect.height = curdata->h << 16; - dst_rect.x = x; - dst_rect.y = y; - dst_rect.width = curdata->w; - dst_rect.height = curdata->h; - - ret = vc_dispmanx_element_change_attributes( - update, - curdata->element, - 0, - 0, - 0, - &dst_rect, - &src_rect, - DISPMANX_NO_HANDLE, - DISPMANX_NO_ROTATE); - if (ret != DISPMANX_SUCCESS) { - return SDL_SetError("vc_dispmanx_element_change_attributes() failed"); - } - - /* Submit asynchronously, otherwise the peformance suffers a lot */ - ret = vc_dispmanx_update_submit(update, 0, NULL); - if (ret != DISPMANX_SUCCESS) { - return SDL_SetError("vc_dispmanx_update_submit() failed"); - } - return 0; -} - -void -RPI_InitMouse(_THIS) -{ - /* FIXME: Using UDEV it should be possible to scan all mice - * but there's no point in doing so as there's no multimice support...yet! - */ - SDL_Mouse *mouse = SDL_GetMouse(); - - mouse->CreateCursor = RPI_CreateCursor; - mouse->ShowCursor = RPI_ShowCursor; - mouse->MoveCursor = RPI_MoveCursor; - mouse->FreeCursor = RPI_FreeCursor; - mouse->WarpMouse = RPI_WarpMouse; - mouse->WarpMouseGlobal = RPI_WarpMouseGlobal; - - SDL_SetDefaultCursor(RPI_CreateDefaultCursor()); -} - -void -RPI_QuitMouse(_THIS) -{ - -} - -/* This is called when a mouse motion event occurs */ -static void -RPI_MoveCursor(SDL_Cursor * cursor) -{ - SDL_Mouse *mouse = SDL_GetMouse(); - RPI_WarpMouse(mouse->focus, mouse->x, mouse->y); -} - -#endif /* SDL_VIDEO_DRIVER_RPI */ - -/* vi: set ts=4 sw=4 expandtab: */ |