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backend/drm: add support for color transforms

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Simon Ser 2025-05-24 13:40:05 +02:00 • committed by Kenny Levinsen
parent 97f6946c8d
commit f10dd1da1c
3 changed files with 35 additions and 11 deletions
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12
backend/drm/drm.c
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@ -24,6 +24,7 @@
#include "backend/drm/fb.h"
#include "backend/drm/iface.h"
#include "backend/drm/util.h"
#include "render/color.h"
#include "types/wlr_output.h"
#include "util/env.h"
#include "config.h"
@ -37,11 +38,11 @@ static const uint32_t COMMIT_OUTPUT_STATE =
WLR_OUTPUT_STATE_BUFFER |
WLR_OUTPUT_STATE_MODE |
WLR_OUTPUT_STATE_ENABLED |
WLR_OUTPUT_STATE_GAMMA_LUT |
WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED |
WLR_OUTPUT_STATE_LAYERS |
WLR_OUTPUT_STATE_WAIT_TIMELINE |
WLR_OUTPUT_STATE_SIGNAL_TIMELINE;
WLR_OUTPUT_STATE_SIGNAL_TIMELINE |
WLR_OUTPUT_STATE_COLOR_TRANSFORM;
static const uint32_t SUPPORTED_OUTPUT_STATE =
WLR_OUTPUT_STATE_BACKEND_OPTIONAL | COMMIT_OUTPUT_STATE;
@ -856,6 +857,13 @@ static bool drm_connector_prepare(struct wlr_drm_connector_state *conn_state, bo
}
}
if ((state->committed & WLR_OUTPUT_STATE_COLOR_TRANSFORM) && state->color_transform != NULL &&
state->color_transform->type != COLOR_TRANSFORM_LUT_3X1D) {
wlr_drm_conn_log(conn, WLR_DEBUG,
"Only 3x1D LUT color transforms are supported");
return false;
}
if (test_only && conn->backend->mgpu_renderer.wlr_rend) {
// If we're running as a secondary GPU, we can't perform an atomic
// commit without blitting a buffer.