ebae8d0743
This implements alpha blending on legacy display controllers (Tegra20, Tegra30 and Tegra114). While it's theoretically possible to support the zpos property to enable userspace to specify the Z-order of each plane individually, this is not currently supported and the same fixed Z- order as previously defined is used. Reverts commit71835caa00("drm/tegra: fb: Force alpha formats") since the opaque formats are now supported. Reported-by: Dmitry Osipenko <digetx@gmail.com> Fixes:7772fdaef9("drm/tegra: Support ARGB and ABGR formats") Signed-off-by: Thierry Reding <treding@nvidia.com>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef TEGRA_PLANE_H
|
|
#define TEGRA_PLANE_H 1
|
|
|
|
#include <drm/drm_plane.h>
|
|
|
|
struct tegra_bo;
|
|
struct tegra_dc;
|
|
|
|
struct tegra_plane {
|
|
struct drm_plane base;
|
|
struct tegra_dc *dc;
|
|
unsigned int offset;
|
|
unsigned int index;
|
|
};
|
|
|
|
struct tegra_cursor {
|
|
struct tegra_plane base;
|
|
|
|
struct tegra_bo *bo;
|
|
unsigned int width;
|
|
unsigned int height;
|
|
};
|
|
|
|
static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
|
|
{
|
|
return container_of(plane, struct tegra_plane, base);
|
|
}
|
|
|
|
struct tegra_plane_state {
|
|
struct drm_plane_state base;
|
|
|
|
struct tegra_bo_tiling tiling;
|
|
u32 format;
|
|
u32 swap;
|
|
|
|
/* used for legacy blending support only */
|
|
bool opaque;
|
|
bool dependent[3];
|
|
};
|
|
|
|
static inline struct tegra_plane_state *
|
|
to_tegra_plane_state(struct drm_plane_state *state)
|
|
{
|
|
if (state)
|
|
return container_of(state, struct tegra_plane_state, base);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
extern const struct drm_plane_funcs tegra_plane_funcs;
|
|
|
|
int tegra_plane_state_add(struct tegra_plane *plane,
|
|
struct drm_plane_state *state);
|
|
|
|
int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap);
|
|
bool tegra_plane_format_is_yuv(unsigned int format, bool *planar);
|
|
bool tegra_plane_format_has_alpha(unsigned int format);
|
|
int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha);
|
|
void tegra_plane_check_dependent(struct tegra_plane *tegra,
|
|
struct tegra_plane_state *state);
|
|
|
|
#endif /* TEGRA_PLANE_H */
|