mirror of https://github.com/encounter/SDL.git
kmsdrm: move cursor-related atomic helper functions and related struct typedefs to the SDL_kmsdrmmouse unit.
This commit is contained in:
Manuel Alfayate Corchete
parent
0b7b7721b9
commit
e06e9c35c8
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@ -39,6 +39,84 @@ static void KMSDRM_FreeCursor(SDL_Cursor * cursor);
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static void KMSDRM_WarpMouse(SDL_Window * window, int x, int y);
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static int KMSDRM_WarpMouseGlobal(int x, int y);
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/**********************************/
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/* Atomic helper functions block. */
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/**********************************/
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int
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drm_atomic_setcursor(KMSDRM_CursorData *curdata, int x, int y)
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{
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KMSDRM_FBInfo *fb;
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SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0);
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/* Do we have a set of changes already in the making? If not, allocate a new one. */
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if (!dispdata->atomic_req)
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dispdata->atomic_req = KMSDRM_drmModeAtomicAlloc();
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if (curdata)
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{
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if (!dispdata->cursor_plane) {
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setup_plane(curdata->video, &(dispdata->cursor_plane), DRM_PLANE_TYPE_CURSOR);
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/* "curdata->video" is the _THIS pointer, which points to an SDL_Display, as passed from kmsdrmmouse.c */
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}
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fb = KMSDRM_FBFromBO(curdata->video, curdata->bo);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "FB_ID", fb->fb_id);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_ID", dispdata->crtc->crtc->crtc_id);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_X", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_Y", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_W", curdata->w << 16);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_H", curdata->h << 16);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_X", x);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_Y", y);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_W", curdata->w);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_H", curdata->h);
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}
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else if (dispdata->cursor_plane) /* Don't go further if plane has already been freed. */
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{
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "FB_ID", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_ID", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_X", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_Y", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_W", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_H", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_W", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_H", 0);
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free_plane(&dispdata->cursor_plane);
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}
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/* GPU <-> DISPLAY synchronization is done ON the display_plane,
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so no need to set any fence props here, we do that only on the main
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display plane. */
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return 0;
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}
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int
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drm_atomic_movecursor(KMSDRM_CursorData *curdata, int x, int y)
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{
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SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0);
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if (!dispdata->cursor_plane) /* We can't move a non-existing cursor, but that's ok. */
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return 0;
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/* Do we have a set of changes already in the making? If not, allocate a new one. */
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if (!dispdata->atomic_req)
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dispdata->atomic_req = KMSDRM_drmModeAtomicAlloc();
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_X", x - curdata->hot_x);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_Y", y - curdata->hot_y);
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return 0;
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}
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/***************************************/
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/* Atomic helper functions block ends. */
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/***************************************/
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/* Converts a pixel from straight-alpha [AA, RR, GG, BB], which the SDL cursor surface has,
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to premultiplied-alpha [AA. AA*RR, AA*GG, AA*BB].
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These multiplications have to be done with floats instead of uint32_t's, and the resulting values have
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@ -29,6 +29,19 @@
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#define MAX_CURSOR_W 512
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#define MAX_CURSOR_H 512
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/* Driverdata with driver-side info about the cursor. */
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typedef struct _KMSDRM_CursorData
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{
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struct gbm_bo *bo;
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uint32_t crtc_id;
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int hot_x, hot_y;
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int w, h;
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/* The video devide implemented on SDL_kmsdrmvideo.c
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* to be used as _THIS pointer in SDL_kmsdrmvideo.c
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* functions that need it. */
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SDL_VideoDevice *video;
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} KMSDRM_CursorData;
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extern void KMSDRM_InitMouse(_THIS);
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extern void KMSDRM_QuitMouse(_THIS);
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@ -194,8 +194,8 @@ static int add_crtc_property(drmModeAtomicReq *req, struct crtc *crtc,
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return KMSDRM_drmModeAtomicAddProperty(req, crtc->crtc->crtc_id, prop_id, value);
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}
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static int add_plane_property(drmModeAtomicReq *req, struct plane *plane,
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const char *name, uint64_t value)
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int add_plane_property(drmModeAtomicReq *req, struct plane *plane,
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const char *name, uint64_t value)
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{
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unsigned int i;
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int prop_id = -1;
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@ -389,9 +389,9 @@ static uint32_t get_plane_id(_THIS, uint32_t plane_type)
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}
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/* Setup cursor plane and it's props. */
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static int
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setup_plane(_THIS, struct plane **plane, uint32_t plane_type ) {
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int
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setup_plane(_THIS, struct plane **plane, uint32_t plane_type)
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{
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uint32_t plane_id;
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SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata);
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@ -430,8 +430,9 @@ cleanup:
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}
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/* Free a plane and it's props. */
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static void
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free_plane(struct plane **plane) {
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void
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free_plane(struct plane **plane)
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{
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SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0);
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if (dispdata && (*plane)) {
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@ -492,76 +493,6 @@ drm_atomic_setbuffer(_THIS, struct plane *plane, uint32_t fb_id, uint32_t crtc_i
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}
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}
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int
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drm_atomic_setcursor(KMSDRM_CursorData *curdata, int x, int y)
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{
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KMSDRM_FBInfo *fb;
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SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0);
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/* Do we have a set of changes already in the making? If not, allocate a new one. */
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if (!dispdata->atomic_req)
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dispdata->atomic_req = KMSDRM_drmModeAtomicAlloc();
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if (curdata)
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{
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if (!dispdata->cursor_plane) {
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setup_plane(curdata->video, &(dispdata->cursor_plane), DRM_PLANE_TYPE_CURSOR);
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/* "curdata->video" is the _THIS pointer, which points to an SDL_Display, as passed from kmsdrmmouse.c */
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}
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fb = KMSDRM_FBFromBO(curdata->video, curdata->bo);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "FB_ID", fb->fb_id);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_ID", dispdata->crtc->crtc->crtc_id);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_X", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_Y", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_W", curdata->w << 16);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_H", curdata->h << 16);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_X", x);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_Y", y);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_W", curdata->w);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_H", curdata->h);
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}
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else if (dispdata->cursor_plane) /* Don't go further if plane has already been freed. */
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{
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "FB_ID", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_ID", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_X", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_Y", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_W", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "SRC_H", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_W", 0);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_H", 0);
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free_plane(&dispdata->cursor_plane);
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}
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/* GPU <-> DISPLAY synchronization is done ON the display_plane,
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so no need to set any fence props here, we do that only on the main
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display plane. */
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return 0;
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}
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int
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drm_atomic_movecursor(KMSDRM_CursorData *curdata, int x, int y)
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{
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SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0);
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if (!dispdata->cursor_plane) /* We can't move a non-existing cursor, but that's ok. */
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return 0;
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/* Do we have a set of changes already in the making? If not, allocate a new one. */
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if (!dispdata->atomic_req)
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dispdata->atomic_req = KMSDRM_drmModeAtomicAlloc();
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_X", x - curdata->hot_x);
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add_plane_property(dispdata->atomic_req, dispdata->cursor_plane, "CRTC_Y", y - curdata->hot_y);
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return 0;
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}
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int drm_atomic_commit(_THIS, SDL_bool blocking)
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{
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SDL_DisplayData *dispdata = (SDL_DisplayData *)SDL_GetDisplayDriverData(0);
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@ -119,30 +119,18 @@ typedef struct KMSDRM_FBInfo
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uint32_t fb_id; /* DRM framebuffer ID */
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} KMSDRM_FBInfo;
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/* Driverdata with driver-side info about the cursor. */
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typedef struct _KMSDRM_CursorData
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{
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struct gbm_bo *bo;
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uint32_t crtc_id;
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int hot_x, hot_y;
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int w, h;
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/* The video devide implemented on SDL_kmsdrmvideo.c
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* to be used as _THIS pointer in SDL_kmsdrmvideo.c
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* functions that need it. */
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SDL_VideoDevice *video;
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} KMSDRM_CursorData;
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/* Helper functions */
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int KMSDRM_CreateSurfaces(_THIS, SDL_Window * window);
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KMSDRM_FBInfo *KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo);
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/* Atomic functions that are used from SDL_kmsdrmopengles.c and SDL_kmsdrmmouse.c */
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void drm_atomic_modeset(_THIS, int mode_index);
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void drm_atomic_setbuffer(_THIS, struct plane *plane, uint32_t fb_id, uint32_t crtc_id);
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void drm_atomic_waitpending(_THIS);
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int drm_atomic_commit(_THIS, SDL_bool blocking);
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int drm_atomic_setcursor(KMSDRM_CursorData *curdata, int x, int y);
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int drm_atomic_movecursor(KMSDRM_CursorData *curdata, int x, int y);
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int add_plane_property(drmModeAtomicReq *req, struct plane *plane,
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const char *name, uint64_t value);
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int setup_plane(_THIS, struct plane **plane, uint32_t plane_type);
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void free_plane(struct plane **plane);
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/****************************************************************************/
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/* SDL_VideoDevice functions declaration */
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