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MonitorManager: fix handling of output transform
Read the current transform from XRandR, and expose the transforms that are really supported on the bus. The dummy backend now advertises all transforms, since it doesn't actually apply them. https://bugzilla.gnome.org/show_bug.cgi?id=705670
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@ -43,6 +43,22 @@
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#include <meta/screen.h>
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#include "stack-tracker.h"
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#include "ui.h"
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#ifdef HAVE_WAYLAND
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#include <wayland-server.h>
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#endif
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#ifndef HAVE_WAYLAND
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enum wl_output_transform {
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WL_OUTPUT_TRANSFORM_NORMAL,
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WL_OUTPUT_TRANSFORM_90,
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WL_OUTPUT_TRANSFORM_180,
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WL_OUTPUT_TRANSFORM_270,
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WL_OUTPUT_TRANSFORM_FLIPPED,
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WL_OUTPUT_TRANSFORM_FLIPPED_90,
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WL_OUTPUT_TRANSFORM_FLIPPED_180,
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WL_OUTPUT_TRANSFORM_FLIPPED_270
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};
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#endif
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typedef struct _MetaOutput MetaOutput;
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typedef struct _MetaCRTC MetaCRTC;
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@ -92,6 +108,8 @@ struct _MetaCRTC
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glong crtc_id;
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MetaRectangle rect;
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MetaMonitorMode *current_mode;
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enum wl_output_transform transform;
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unsigned int all_transforms;
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/* Only used to build the logical configuration
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from the HW one
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@ -172,4 +190,12 @@ void meta_monitor_manager_get_screen_size (MetaMonitorManager *
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int *width,
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int *height);
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/* Returns true if transform causes width and height to be inverted
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This is true for the odd transforms in the enum */
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static inline gboolean
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meta_monitor_transform_is_rotated (enum wl_output_transform transform)
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{
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return (transform % 2);
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}
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#endif
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@ -42,18 +42,7 @@
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#include "meta-dbus-xrandr.h"
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#ifndef HAVE_WAYLAND
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enum wl_output_transform {
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WL_OUTPUT_TRANSFORM_NORMAL,
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WL_OUTPUT_TRANSFORM_90,
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WL_OUTPUT_TRANSFORM_180,
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WL_OUTPUT_TRANSFORM_270,
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WL_OUTPUT_TRANSFORM_FLIPPED,
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WL_OUTPUT_TRANSFORM_FLIPPED_90,
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WL_OUTPUT_TRANSFORM_FLIPPED_180,
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WL_OUTPUT_TRANSFORM_FLIPPED_270
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};
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#endif
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#define ALL_WL_TRANSFORMS ((1 << (WL_OUTPUT_TRANSFORM_FLIPPED_270 + 1)) - 1)
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typedef enum {
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META_BACKEND_UNSPECIFIED,
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@ -174,6 +163,8 @@ make_dummy_monitor_config (MetaMonitorManager *manager)
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manager->crtcs[0].rect.width = manager->modes[0].width;
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manager->crtcs[0].rect.height = manager->modes[0].height;
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manager->crtcs[0].current_mode = &manager->modes[0];
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manager->crtcs[0].transform = WL_OUTPUT_TRANSFORM_NORMAL;
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manager->crtcs[0].all_transforms = ALL_WL_TRANSFORMS;
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manager->crtcs[0].is_dirty = FALSE;
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manager->crtcs[0].logical_monitor = NULL;
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@ -183,6 +174,8 @@ make_dummy_monitor_config (MetaMonitorManager *manager)
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manager->crtcs[1].rect.width = 0;
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manager->crtcs[1].rect.height = 0;
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manager->crtcs[1].current_mode = NULL;
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manager->crtcs[1].transform = WL_OUTPUT_TRANSFORM_NORMAL;
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manager->crtcs[1].all_transforms = ALL_WL_TRANSFORMS;
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manager->crtcs[1].is_dirty = FALSE;
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manager->crtcs[1].logical_monitor = NULL;
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@ -257,6 +250,76 @@ make_dummy_monitor_config (MetaMonitorManager *manager)
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}
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#ifdef HAVE_RANDR
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static enum wl_output_transform
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wl_transform_from_xrandr (Rotation rotation)
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{
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static const enum wl_output_transform y_reflected_map[4] = {
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WL_OUTPUT_TRANSFORM_FLIPPED_180,
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WL_OUTPUT_TRANSFORM_FLIPPED_90,
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WL_OUTPUT_TRANSFORM_FLIPPED,
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WL_OUTPUT_TRANSFORM_FLIPPED_270
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};
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enum wl_output_transform ret;
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switch (rotation & 0x7F)
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{
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default:
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case RR_Rotate_0:
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ret = WL_OUTPUT_TRANSFORM_NORMAL;
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break;
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case RR_Rotate_90:
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ret = WL_OUTPUT_TRANSFORM_90;
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break;
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case RR_Rotate_180:
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ret = WL_OUTPUT_TRANSFORM_180;
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break;
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case RR_Rotate_270:
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ret = WL_OUTPUT_TRANSFORM_270;
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break;
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}
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if (rotation & RR_Reflect_X)
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return ret + 4;
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else if (rotation & RR_Reflect_Y)
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return y_reflected_map[ret];
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else
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return ret;
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}
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#define ALL_ROTATIONS (RR_Rotate_0 | RR_Rotate_90 | RR_Rotate_180 | RR_Rotate_270)
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static unsigned int
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wl_transform_from_xrandr_all (Rotation rotation)
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{
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unsigned ret;
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/* Handle the common cases first (none or all) */
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if (rotation == 0 || rotation == RR_Rotate_0)
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return (1 << WL_OUTPUT_TRANSFORM_NORMAL);
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/* All rotations and one reflection -> all of them by composition */
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if ((rotation & ALL_ROTATIONS) &&
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((rotation & RR_Reflect_X) || (rotation & RR_Reflect_Y)))
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return ALL_WL_TRANSFORMS;
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ret = 1 << WL_OUTPUT_TRANSFORM_NORMAL;
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if (rotation & RR_Rotate_90)
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ret |= 1 << WL_OUTPUT_TRANSFORM_90;
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if (rotation & RR_Rotate_180)
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ret |= 1 << WL_OUTPUT_TRANSFORM_180;
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if (rotation & RR_Rotate_270)
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ret |= 1 << WL_OUTPUT_TRANSFORM_270;
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if (rotation & (RR_Rotate_0 | RR_Reflect_X))
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ret |= 1 << WL_OUTPUT_TRANSFORM_FLIPPED;
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if (rotation & (RR_Rotate_90 | RR_Reflect_X))
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ret |= 1 << WL_OUTPUT_TRANSFORM_FLIPPED_90;
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if (rotation & (RR_Rotate_180 | RR_Reflect_X))
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ret |= 1 << WL_OUTPUT_TRANSFORM_FLIPPED_180;
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if (rotation & (RR_Rotate_270 | RR_Reflect_X))
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ret |= 1 << WL_OUTPUT_TRANSFORM_FLIPPED_270;
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return ret;
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}
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static void
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read_monitor_infos_from_xrandr (MetaMonitorManager *manager)
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@ -327,6 +390,8 @@ read_monitor_infos_from_xrandr (MetaMonitorManager *manager)
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meta_crtc->rect.width = crtc->width;
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meta_crtc->rect.height = crtc->height;
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meta_crtc->is_dirty = FALSE;
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meta_crtc->transform = wl_transform_from_xrandr (crtc->rotation);
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meta_crtc->all_transforms = wl_transform_from_xrandr_all (crtc->rotations);
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for (j = 0; j < (unsigned)resources->nmode; j++)
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{
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@ -770,7 +835,9 @@ handle_get_resources (MetaDBusDisplayConfig *skeleton,
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GVariantBuilder transforms;
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g_variant_builder_init (&transforms, G_VARIANT_TYPE ("au"));
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g_variant_builder_add (&transforms, "u", 0); /* 0 = WL_OUTPUT_TRANSFORM_NORMAL */
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for (j = 0; j <= WL_OUTPUT_TRANSFORM_FLIPPED_270; j++)
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if (crtc->all_transforms & (1 << j))
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g_variant_builder_add (&transforms, "u", j);
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g_variant_builder_add (&crtc_builder, "(uxiiiiiuaua{sv})",
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i, /* ID */
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@ -780,7 +847,7 @@ handle_get_resources (MetaDBusDisplayConfig *skeleton,
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(int)crtc->rect.width,
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(int)crtc->rect.height,
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(int)(crtc->current_mode ? crtc->current_mode - manager->modes : -1),
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0, /* 0 = WL_OUTPUT_TRANSFORM_NORMAL */
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crtc->transform,
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&transforms,
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NULL /* properties */);
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}
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@ -1057,17 +1124,30 @@ apply_config_dummy (MetaMonitorManager *manager,
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MetaOutput *output;
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int i, n_outputs;
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guint output_id;
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int width, height;
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mode = &manager->modes[new_mode];
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if (meta_monitor_transform_is_rotated (transform))
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{
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width = mode->height;
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height = mode->width;
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}
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else
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{
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width = mode->width;
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height = mode->height;
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}
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crtc->rect.x = x;
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crtc->rect.y = y;
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crtc->rect.width = mode->width;
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crtc->rect.height = mode->height;
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crtc->rect.width = width;
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crtc->rect.height = height;
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crtc->current_mode = mode;
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crtc->transform = transform;
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screen_width = MAX (screen_width, x + mode->width);
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screen_height = MAX (screen_height, y + mode->height);
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screen_width = MAX (screen_width, x + width);
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screen_height = MAX (screen_height, y + height);
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n_outputs = g_variant_n_children (nested_outputs);
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for (i = 0; i < n_outputs; i++)
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@ -1196,20 +1276,36 @@ handle_apply_configuration (MetaDBusDisplayConfig *skeleton,
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}
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mode = new_mode != -1 ? &manager->modes[new_mode] : NULL;
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if (mode &&
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(x < 0 ||
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x + mode->width > manager->max_screen_width ||
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if (mode)
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{
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int width, height;
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if (meta_monitor_transform_is_rotated (transform))
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{
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width = mode->height;
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height = mode->width;
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}
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else
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{
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width = mode->width;
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height = mode->height;
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}
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if (x < 0 ||
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x + width > manager->max_screen_width ||
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y < 0 ||
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y + mode->height > manager->max_screen_height))
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y + height > manager->max_screen_height)
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{
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g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
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G_DBUS_ERROR_INVALID_ARGS,
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"Invalid CRTC geometry");
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return TRUE;
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}
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}
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if (transform < WL_OUTPUT_TRANSFORM_NORMAL ||
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transform > WL_OUTPUT_TRANSFORM_FLIPPED_270)
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transform > WL_OUTPUT_TRANSFORM_FLIPPED_270 ||
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((crtc->all_transforms & (1 << transform)) == 0))
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{
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g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
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G_DBUS_ERROR_INVALID_ARGS,
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