sna: Extend native rotation support to sprites
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 13 Feb 2014 11:58:15 +0000 (11:58 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Thu, 13 Feb 2014 14:55:30 +0000 (14:55 +0000)
The sprite plane can be independently rotated to the CRTC primary plane.
To rotate the sprite plane, we just set a property on the plane similar
to how we rotate the CRTC, so we can refactor them together to use the
same routines.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
src/sna/sna.h
src/sna/sna_display.c
src/sna/sna_video_sprite.c

index 7833095..7dc5067 100644 (file)
@@ -439,8 +439,9 @@ static inline void sna_dri_close(struct sna *sna, ScreenPtr pScreen) { }
 #endif
 void sna_dri_pixmap_update_bo(struct sna *sna, PixmapPtr pixmap);
 
+extern bool sna_crtc_set_sprite_rotation(xf86CrtcPtr crtc, uint32_t rotation);
 extern int sna_crtc_to_pipe(xf86CrtcPtr crtc);
-extern uint32_t sna_crtc_to_plane(xf86CrtcPtr crtc);
+extern uint32_t sna_crtc_to_sprite(xf86CrtcPtr crtc);
 extern uint32_t sna_crtc_id(xf86CrtcPtr crtc);
 
 CARD32 sna_format_for_depth(int depth);
index 5c0a5a3..e123f48 100644 (file)
@@ -93,22 +93,29 @@ union compat_mode_get_connector{
 
 extern XF86ConfigPtr xf86configptr;
 
+struct rotation {
+       uint32_t obj_id, obj_type;
+       uint32_t prop_id;
+       uint32_t supported;
+       uint32_t current;
+};
+
 struct sna_crtc {
        struct drm_mode_modeinfo kmode;
        int dpms_mode;
        PixmapPtr scanout_pixmap;
        struct kgem_bo *bo, *shadow_bo;
        uint32_t cursor;
+       uint32_t sprite;
        bool shadow;
        bool fallback_shadow;
        bool transform;
        uint8_t id;
        uint8_t pipe;
-       uint8_t plane;
 
-       uint32_t rotation_id;
-       uint32_t supported_rotations;
-       uint32_t rotation, last_rotation;
+       uint32_t rotation;
+       struct rotation primary_rotation;
+       struct rotation sprite_rotation;
 };
 
 struct sna_property {
@@ -199,9 +206,9 @@ int sna_crtc_to_pipe(xf86CrtcPtr crtc)
        return to_sna_crtc(crtc)->pipe;
 }
 
-uint32_t sna_crtc_to_plane(xf86CrtcPtr crtc)
+uint32_t sna_crtc_to_sprite(xf86CrtcPtr crtc)
 {
-       return to_sna_crtc(crtc)->plane;
+       return to_sna_crtc(crtc)->sprite;
 }
 
 #ifndef NDEBUG
@@ -862,6 +869,43 @@ sna_crtc_force_outputs_off(xf86CrtcPtr crtc)
 }
 
 static bool
+rotation_set(struct sna *sna, struct rotation *r, uint32_t desired)
+{
+       if (desired == r->current)
+               return true;
+
+       if ((desired & r->supported) == 0)
+               return false;
+
+       DBG(("%s: obj=%d, type=%u set-rotation=%x\n",
+            __FUNCTION__, r->obj_id, r->obj_type, desired));
+
+       assert(r->obj_id);
+       assert(r->obj_type);
+       assert(r->prop_id);
+
+       if (drmModeObjectSetProperty(sna->kgem.fd,
+                                    r->obj_id, r->obj_type,
+                                    r->prop_id, desired))
+               return false;
+
+       r->current = desired;
+       return true;
+}
+
+bool sna_crtc_set_sprite_rotation(xf86CrtcPtr crtc, uint32_t rotation)
+{
+       DBG(("%s: CRTC:%d [pipe=%d], sprite=%u set-rotation=%x\n",
+            __FUNCTION__,
+            to_sna_crtc(crtc)->id, to_sna_crtc(crtc)->pipe, to_sna_crtc(crtc)->sprite,
+            rotation));
+
+       return rotation_set(to_sna(crtc->scrn),
+                           &to_sna_crtc(crtc)->sprite_rotation,
+                           rotation);
+}
+
+static bool
 sna_crtc_apply(xf86CrtcPtr crtc)
 {
        struct sna *sna = to_sna(crtc->scrn);
@@ -876,30 +920,13 @@ sna_crtc_apply(xf86CrtcPtr crtc)
 
        assert(config->num_output < ARRAY_SIZE(output_ids));
 
-       if (sna_crtc->rotation != sna_crtc->last_rotation) {
-               assert(sna_crtc->rotation_id);
-
-               DBG(("%s: disabling CRTC:%d [pipe=%d] before changing rotation from %x to %x\n",
-                    __FUNCTION__, sna_crtc->id, sna_crtc->pipe,
-                    sna_crtc->last_rotation, sna_crtc->rotation));
-
-               memset(&arg, 0, sizeof(arg));
-               arg.crtc_id = sna_crtc->id;
-               (void)drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_SETCRTC, &arg);
-
-               if (drmModeObjectSetProperty(sna->kgem.fd, sna_crtc->id,
-                                            DRM_MODE_OBJECT_CRTC,
-                                            sna_crtc->rotation_id,
-                                            sna_crtc->rotation)) {
-                       ERR(("%s: set-rotation failed (rotation-id=%d, rotation=%d) on CRTC:%d [pipe=%d], errno=%d\n",
-                            __FUNCTION__, sna_crtc->rotation_id, sna_crtc->rotation, sna_crtc->id, sna_crtc->pipe, errno));
-                       return false;
-               }
-
-               sna_crtc->last_rotation = sna_crtc->rotation;
-               DBG(("%s: CRTC:%d [pipe=%d] rotation set to %x\n",
-                    __FUNCTION__, sna_crtc->id, sna_crtc->pipe, sna_crtc->rotation));
+       if (!rotation_set(sna, &sna_crtc->primary_rotation, sna_crtc->rotation)) {
+               ERR(("%s: set-primary-rotation failed (rotation-id=%d, rotation=%d) on CRTC:%d [pipe=%d], errno=%d\n",
+                    __FUNCTION__, sna_crtc->primary_rotation.prop_id, sna_crtc->rotation, sna_crtc->id, sna_crtc->pipe, errno));
+               return false;
        }
+       DBG(("%s: CRTC:%d [pipe=%d] primary rotation set to %x\n",
+            __FUNCTION__, sna_crtc->id, sna_crtc->pipe, sna_crtc->rotation));
 
        for (i = 0; i < config->num_output; i++) {
                xf86OutputPtr output = config->output[i];
@@ -1156,14 +1183,7 @@ sna_crtc_disable(xf86CrtcPtr crtc)
        arg.crtc_id = sna_crtc->id;
        (void)drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_SETCRTC, &arg);
 
-       if (sna_crtc->last_rotation != RR_Rotate_0) {
-               assert(sna_crtc->rotation_id);
-               (void)drmModeObjectSetProperty(sna->kgem.fd, sna_crtc->id,
-                                              DRM_MODE_OBJECT_CRTC,
-                                              sna_crtc->rotation_id,
-                                              RR_Rotate_0);
-               sna_crtc->last_rotation = RR_Rotate_0;
-       }
+       rotation_set(sna, &sna_crtc->primary_rotation, RR_Rotate_0);
 
        sna_crtc_disable_shadow(sna, sna_crtc);
 
@@ -1399,9 +1419,9 @@ static bool use_shadow(struct sna *sna, xf86CrtcPtr crtc)
                               &f_fb_to_crtc)) {
                bool needs_transform = true;
                DBG(("%s: natively supported rotation? rotation=%x & supported=%x == %d\n",
-                    __FUNCTION__, crtc->rotation, to_sna_crtc(crtc)->supported_rotations,
-                    !!(crtc->rotation & to_sna_crtc(crtc)->supported_rotations)));
-               if (to_sna_crtc(crtc)->supported_rotations & crtc->rotation)
+                    __FUNCTION__, crtc->rotation, to_sna_crtc(crtc)->primary_rotation.supported,
+                    !!(crtc->rotation & to_sna_crtc(crtc)->primary_rotation.supported)));
+               if (to_sna_crtc(crtc)->primary_rotation.supported & crtc->rotation)
                        needs_transform = RRTransformCompute(crtc->x, crtc->y,
                                                             crtc->mode.HDisplay, crtc->mode.VDisplay,
                                                             RR_Rotate_0, transform,
@@ -1545,6 +1565,7 @@ static struct kgem_bo *sna_crtc_attach(xf86CrtcPtr crtc)
                        return NULL;
 
                assert(!sna_crtc->shadow);
+               assert(sna_crtc->primary_rotation.supported & crtc->rotation);
                sna_crtc->rotation = crtc->rotation;
                return kgem_bo_reference(bo);
        }
@@ -1944,7 +1965,7 @@ static const xf86CrtcFuncsRec sna_crtc_funcs = {
 };
 
 static int
-sna_crtc_find_plane(struct sna *sna, int pipe)
+sna_crtc_find_sprite(struct sna *sna, int pipe)
 {
 #ifdef DRM_IOCTL_MODE_GETPLANERESOURCES
        struct drm_mode_get_plane_res r;
@@ -1992,74 +2013,93 @@ sna_crtc_find_plane(struct sna *sna, int pipe)
 }
 
 static void
-sna_crtc_init__rotation(struct sna *sna, struct sna_crtc *sna_crtc)
+rotation_init(struct sna *sna, struct rotation *r, uint32_t obj_id, uint32_t obj_type)
 {
+#if USE_ROTATION
        drmModeObjectPropertiesPtr props;
+       int i, j;
 
-       sna_crtc->supported_rotations = RR_Rotate_0;
-       sna_crtc->rotation = sna_crtc->last_rotation = RR_Rotate_0;
-
-#if USE_ROTATION
-       props = drmModeObjectGetProperties(sna->kgem.fd,
-                                          sna_crtc->id,
-                                          DRM_MODE_OBJECT_CRTC);
-       if (props) {
-               int i, j;
+       props = drmModeObjectGetProperties(sna->kgem.fd, obj_id, obj_type);
+       if (props == NULL)
+               return;
 
-               DBG(("%s: CRTC:%d has %d props\n", __FUNCTION__, sna_crtc->id, props->count_props));
+       DBG(("%s: object %d (type %u) has %d props\n", __FUNCTION__,
+            obj_id, obj_type, props->count_props));
 
-               for (i = 0; i < props->count_props; i++) {
-                       struct drm_mode_get_property prop;
-                       struct drm_mode_property_enum *enums;
+       for (i = 0; i < props->count_props; i++) {
+               struct drm_mode_get_property prop;
+               struct drm_mode_property_enum *enums;
 
-                       memset(&prop, 0, sizeof(prop));
-                       prop.prop_id = props->props[i];
-                       if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPERTY, &prop))
-                               continue;
+               memset(&prop, 0, sizeof(prop));
+               prop.prop_id = props->props[i];
+               if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPERTY, &prop))
+                       continue;
 
-                       DBG(("%s: prop[%d] .id=%d, .name=%s, .flags=%x, .value=%ld\n", __FUNCTION__, i,
-                            props->props[i], prop.name, prop.flags, props->prop_values[i]));
-                       if ((prop.flags & DRM_MODE_PROP_BITMASK) == 0)
-                               continue;
+               DBG(("%s: prop[%d] .id=%d, .name=%s, .flags=%x, .value=%ld\n", __FUNCTION__, i,
+                    props->props[i], prop.name, prop.flags, props->prop_values[i]));
+               if ((prop.flags & DRM_MODE_PROP_BITMASK) == 0)
+                       continue;
 
-                       if (strcmp(prop.name, "rotation"))
-                               continue;
+               if (strcmp(prop.name, "rotation"))
+                       continue;
 
-                       /* Note that this property only controls the primary
-                        * plane, not the cursor or sprite planes.
-                        */
-                       sna_crtc->rotation_id = props->props[i];
-                       sna_crtc->rotation = sna_crtc->last_rotation = props->prop_values[i];
-
-                       DBG(("%s: found rotation property .id=%d, num_enums=%d\n",
-                            __FUNCTION__, prop.prop_id, prop.count_enum_blobs));
-                       enums = malloc(prop.count_enum_blobs * sizeof(struct drm_mode_property_enum));
-                       if (enums != NULL) {
-                               prop.count_values = 0;
-                               prop.enum_blob_ptr = (uintptr_t)enums;
-
-                               if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPERTY, &prop) == 0) {
-                                       /* XXX we assume that the mapping between kernel enum and
-                                        * RandR remains fixed for our lifetimes.
-                                        */
-                                       for (j = 0; j < prop.count_enum_blobs; j++) {
-                                               DBG(("%s: CRTC:%d rotation[%d] = %s [%x]\n", __FUNCTION__, sna_crtc->id, j,
-                                                    enums[j].name, enums[j].value));
-                                               sna_crtc->supported_rotations |= 1 << enums[j].value;
-                                       }
+               r->obj_id = obj_id;
+               r->obj_type = obj_type;
+               r->prop_id = props->props[i];
+               r->current = props->prop_values[i];
+
+               DBG(("%s: found rotation property .id=%d, value=%ld, num_enums=%d\n",
+                    __FUNCTION__, prop.prop_id, (long)props->prop_values[i], prop.count_enum_blobs));
+               enums = malloc(prop.count_enum_blobs * sizeof(struct drm_mode_property_enum));
+               if (enums != NULL) {
+                       prop.count_values = 0;
+                       prop.enum_blob_ptr = (uintptr_t)enums;
+
+                       if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_GETPROPERTY, &prop) == 0) {
+                               /* XXX we assume that the mapping between kernel enum and
+                                * RandR remains fixed for our lifetimes.
+                                */
+                               for (j = 0; j < prop.count_enum_blobs; j++) {
+                                       DBG(("%s: rotation[%d] = %s [%x]\n", __FUNCTION__,
+                                            j, enums[j].name, enums[j].value));
+                                       r->supported |= 1 << enums[j].value;
                                }
-
-                               free(enums);
                        }
 
-                       break;
+                       free(enums);
                }
 
-               drmModeFreeObjectProperties(props);
+               break;
        }
+
+       drmModeFreeObjectProperties(props);
 #endif
-       DBG(("%s: CRTC:%d [pipe=%d], supported-rotations=%x, current-rotation=%x\n",
-            __FUNCTION__, sna_crtc->id, sna_crtc->pipe, sna_crtc->supported_rotations, sna_crtc->last_rotation));
+}
+
+static void
+rotation_reset(struct rotation *r)
+{
+       if (r->prop_id == 0)
+               return;
+
+       r->current = 0;
+}
+
+static void
+sna_crtc_init__rotation(struct sna *sna, struct sna_crtc *sna_crtc)
+{
+       sna_crtc->rotation = RR_Rotate_0;
+       sna_crtc->primary_rotation.supported = RR_Rotate_0;
+       sna_crtc->primary_rotation.current = RR_Rotate_0;
+       sna_crtc->sprite_rotation = sna_crtc->primary_rotation;
+
+       rotation_init(sna, &sna_crtc->primary_rotation, sna_crtc->id, DRM_MODE_OBJECT_CRTC);
+       rotation_init(sna, &sna_crtc->sprite_rotation, sna_crtc->sprite, DRM_MODE_OBJECT_PLANE);
+
+       DBG(("%s: CRTC:%d [pipe=%d], primary: supported-rotations=%x, current-rotation=%x, sprite: supported-rotations=%x, current-rotation=%x\n",
+            __FUNCTION__, sna_crtc->id, sna_crtc->pipe,
+            sna_crtc->primary_rotation.supported, sna_crtc->primary_rotation.current,
+            sna_crtc->sprite_rotation.supported, sna_crtc->sprite_rotation.current));
 }
 
 static bool
@@ -2089,7 +2129,7 @@ sna_crtc_init(ScrnInfoPtr scrn, struct sna_mode *mode, int num)
                return false;
        }
        sna_crtc->pipe = get_pipe.pipe;
-       sna_crtc->plane = sna_crtc_find_plane(sna, sna_crtc->pipe);
+       sna_crtc->sprite = sna_crtc_find_sprite(sna, sna_crtc->pipe);
 
        if (xf86IsEntityShared(scrn->entityList[0]) &&
            scrn->confScreen->device->screen != sna_crtc->pipe) {
@@ -4316,6 +4356,10 @@ void sna_mode_reset(struct sna *sna)
                        continue;
 
                sna_crtc->dpms_mode = DPMSModeOff;
+
+               /* Force the rotation property to be reset on next use */
+               rotation_reset(&sna_crtc->primary_rotation);
+               rotation_reset(&sna_crtc->sprite_rotation);
        }
 
        for (i = 0; i < config->num_output; i++) {
index b6a7950..f4dcb82 100644 (file)
@@ -205,10 +205,10 @@ sna_video_sprite_show(struct sna *sna,
        /* XXX handle video spanning multiple CRTC */
 
        VG_CLEAR(s);
-       s.plane_id = sna_crtc_to_plane(crtc);
+       s.plane_id = sna_crtc_to_sprite(crtc);
 
        update_dst_box_to_crtc_coords(sna, crtc, dstBox);
-       if (crtc->rotation & (RR_Rotate_90 | RR_Rotate_270)) {
+       if (video->rotation & (RR_Rotate_90 | RR_Rotate_270)) {
                int tmp = frame->width;
                frame->width = frame->height;
                frame->height = tmp;
@@ -383,11 +383,15 @@ static int sna_video_sprite_put_image(ClientPtr client,
                                   &clip))
                goto invisible;
 
-       if (!crtc || sna_crtc_to_plane(crtc) == 0)
+       if (!crtc || sna_crtc_to_sprite(crtc) == 0)
                goto invisible;
 
-       /* sprites can't handle rotation natively, store it for the copy func */
-       video->rotation = crtc->rotation;
+       /* if sprite can't handle rotation natively, store it for the copy func */
+       video->rotation = RR_Rotate_0;
+       if (!sna_crtc_set_sprite_rotation(crtc, crtc->rotation)) {
+               sna_crtc_set_sprite_rotation(crtc, RR_Rotate_0);
+               video->rotation = crtc->rotation;
+       }
 
        if (xvmc_passthrough(format->id)) {
                DBG(("%s: using passthough, name=%d\n",