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authorJesse Barnes <jbarnes@virtuousgeek.org>2012-01-09 10:22:33 -0800
committerJesse Barnes <jbarnes@virtuousgeek.org>2012-01-09 10:22:33 -0800
commit66518ab5653cfdc840cd69e7b653ec05df060584 (patch)
tree14e4a1025ced903ffb3d52981eeee2bfca5254f8
parentadf1428915bfd0ee24758a3cbd56ce9b64f6eefb (diff)
intel: add sprite ioctl defines and struct for i915 sprite code
-rw-r--r--include/drm/i915_drm.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 846897cf..de724964 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -189,6 +189,8 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_OVERLAY_PUT_IMAGE 0x27
#define DRM_I915_OVERLAY_ATTRS 0x28
#define DRM_I915_GEM_EXECBUFFER2 0x29
+#define DRM_I915_GET_SPRITE_COLORKEY 0x2a
+#define DRM_I915_SET_SPRITE_COLORKEY 0x2b
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -230,6 +232,8 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
#define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE DRM_IOW(DRM_COMMAND_BASE + DRM_I915_OVERLAY_PUT_IMAGE, struct drm_intel_overlay_put_image)
#define DRM_IOCTL_I915_OVERLAY_ATTRS DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs)
+#define DRM_IOCTL_I915_SET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey)
+#define DRM_IOCTL_I915_GET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey)
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
@@ -839,4 +843,36 @@ struct drm_intel_overlay_attrs {
__u32 gamma5;
};
+/*
+ * Intel sprite handling
+ *
+ * Color keying works with a min/mask/max tuple. Both source and destination
+ * color keying is allowed.
+ *
+ * Source keying:
+ * Sprite pixels within the min & max values, masked against the color channels
+ * specified in the mask field, will be transparent. All other pixels will
+ * be displayed on top of the primary plane. For RGB surfaces, only the min
+ * and mask fields will be used; ranged compares are not allowed.
+ *
+ * Destination keying:
+ * Primary plane pixels that match the min value, masked against the color
+ * channels specified in the mask field, will be replaced by corresponding
+ * pixels from the sprite plane.
+ *
+ * Note that source & destination keying are exclusive; only one can be
+ * active on a given plane.
+ */
+
+#define I915_SET_COLORKEY_NONE (1<<0) /* disable color key matching */
+#define I915_SET_COLORKEY_DESTINATION (1<<1)
+#define I915_SET_COLORKEY_SOURCE (1<<2)
+struct drm_intel_sprite_colorkey {
+ __u32 plane_id;
+ __u32 min_value;
+ __u32 channel_mask;
+ __u32 max_value;
+ __u32 flags;
+};
+
#endif /* _I915_DRM_H_ */