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-rw-r--r--libkms++/plane.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/libkms++/plane.cpp b/libkms++/plane.cpp
new file mode 100644
index 0000000..afb9c78
--- /dev/null
+++ b/libkms++/plane.cpp
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <iostream>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cassert>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+using namespace std;
+
+namespace kms
+{
+
+struct PlanePriv
+{
+ drmModePlanePtr drm_plane;
+};
+
+Plane::Plane(Card &card, uint32_t id)
+ :DrmObject(card, id, DRM_MODE_OBJECT_PLANE)
+{
+ m_priv = new PlanePriv();
+ m_priv->drm_plane = drmModeGetPlane(this->card().fd(), this->id());
+ assert(m_priv->drm_plane);
+}
+
+Plane::~Plane()
+{
+ drmModeFreePlane(m_priv->drm_plane);
+ delete m_priv;
+}
+
+void Plane::print_short() const
+{
+ auto p = m_priv->drm_plane;
+
+ printf("Plane %d, %d modes, %d,%d -> %dx%d\n", id(),
+ p->count_formats,
+ p->crtc_x, p->crtc_y, p->x, p->y);
+
+ printf("\t");
+ for (unsigned i = 0; i < p->count_formats; ++i) {
+ uint32_t f = p->formats[i];
+ printf("%c%c%c%c ",
+ (f >> 0) & 0xff,
+ (f >> 8) & 0xff,
+ (f >> 16) & 0xff,
+ (f >> 24) & 0xff);
+ }
+ printf("\n");
+}
+
+bool Plane::supports_crtc(Crtc* crtc) const
+{
+ return m_priv->drm_plane->possible_crtcs & (1 << crtc->idx());
+}
+
+PlaneType Plane::plane_type() const
+{
+ return (PlaneType)get_prop_value("type");
+}
+}