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Diffstat (limited to '3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c')
-rw-r--r--3rdparty/SDL2/src/video/raspberry/SDL_rpimouse.c325
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: */