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output: make wlr_output_set_gamma atomic

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wlr_output_set_gamma is now double-buffered and applies the gamma LUT on
the next output commit.
This commit is contained in:
Simon Ser 2020-05-14 18:27:02 +02:00 • committed by Drew DeVault
parent 7693fdb8a7
commit 347bdb6d9a
9 changed files with 100 additions and 105 deletions
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2
include/wlr/interfaces/wlr_output.h
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@ -24,8 +24,6 @@ struct wlr_output_impl {
bool (*test)(struct wlr_output *output);
bool (*commit)(struct wlr_output *output);
void (*rollback)(struct wlr_output *output);
bool (*set_gamma)(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b);
size_t (*get_gamma_size)(struct wlr_output *output);
bool (*export_dmabuf)(struct wlr_output *output,
struct wlr_dmabuf_attributes *attribs);

9
include/wlr/types/wlr_output.h
View file

@ -60,6 +60,7 @@ enum wlr_output_state_field {
WLR_OUTPUT_STATE_SCALE = 1 << 4,
WLR_OUTPUT_STATE_TRANSFORM = 1 << 5,
WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED = 1 << 6,
WLR_OUTPUT_STATE_GAMMA_LUT = 1 << 7,
};
enum wlr_output_state_buffer_type {
@ -94,6 +95,10 @@ struct wlr_output_state {
int32_t width, height;
int32_t refresh; // mHz, may be zero
} custom_mode;
// only valid if WLR_OUTPUT_STATE_GAMMA_LUT
uint16_t *gamma_lut;
size_t gamma_lut_size;
};
struct wlr_output_impl;
@ -375,8 +380,10 @@ size_t wlr_output_get_gamma_size(struct wlr_output *output);
* the value returned by `wlr_output_get_gamma_size`.
*
* Providing zero-sized ramps resets the gamma table.
*
* The gamma table is double-buffered state, see `wlr_output_commit`.
*/
bool wlr_output_set_gamma(struct wlr_output *output, size_t size,
void wlr_output_set_gamma(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b);
bool wlr_output_export_dmabuf(struct wlr_output *output,
struct wlr_dmabuf_attributes *attribs);