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Add 'output render_bit_depth [8|10]' command

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This makes it possible to hint to the renderer and backends how many
bits per channel the buffers that the compositor draws windows onto
should have. Renderers and backends may deviate from this if they
do not support the formats with higher bit depth.
This commit is contained in:
Manuel Stoeckl 2021-09-02 21:45:23 -04:00 • committed by Simon Ser
parent 5865af75cf
commit a23cdbbea1
7 changed files with 92 additions and 0 deletions
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1
sway/commands/output.c
View file

@ -18,6 +18,7 @@ static const struct cmd_handler output_handlers[] = {
{ "modeline", output_cmd_modeline },
{ "pos", output_cmd_position },
{ "position", output_cmd_position },
{ "render_bit_depth", output_cmd_render_bit_depth },
{ "res", output_cmd_mode },
{ "resolution", output_cmd_mode },
{ "scale", output_cmd_scale },

29
sway/commands/output/render_bit_depth.c Normal file
View file

@ -0,0 +1,29 @@
#include <drm_fourcc.h>
#include <strings.h>
#include "sway/commands.h"
#include "sway/config.h"
struct cmd_results *output_cmd_render_bit_depth(int argc, char **argv) {
if (!config->handler_context.output_config) {
return cmd_results_new(CMD_FAILURE, "Missing output config");
}
if (!argc) {
return cmd_results_new(CMD_INVALID, "Missing bit depth argument.");
}
if (strcmp(*argv, "8") == 0) {
config->handler_context.output_config->render_bit_depth =
RENDER_BIT_DEPTH_8;
} else if (strcmp(*argv, "10") == 0) {
config->handler_context.output_config->render_bit_depth =
RENDER_BIT_DEPTH_10;
} else {
return cmd_results_new(CMD_INVALID,
"Invalid bit depth. Must be a value in (8|10).");
}
config->handler_context.leftovers.argc = argc - 1;
config->handler_context.leftovers.argv = argv + 1;
return NULL;
}