diff options
| author | Jacopo Mondi <jacopo@jmondi.org> | 2019-06-06 15:58:17 +0200 |
|---|---|---|
| committer | Jacopo Mondi <jacopo@jmondi.org> | 2019-08-27 17:00:00 +0200 |
| commit | 3c6af4db165e5b3dc8996f0a288746c35dbb1cb9 (patch) | |
| tree | a06dfdf3a5fe07159d5bcc9a23c32aa0f5ae0f48 | |
| parent | 626edbe2fc845803ffdd25936e21202e4f123b63 (diff) | |
kmstest: Inject color inversion gamma table
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
| -rw-r--r-- | utils/kmstest.cpp | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/utils/kmstest.cpp b/utils/kmstest.cpp index 8144117..87dacd8 100644 --- a/utils/kmstest.cpp +++ b/utils/kmstest.cpp @@ -9,6 +9,9 @@ #include <sys/select.h> +#include <xf86drm.h> +#include <xf86drmMode.h> + #include <kms++/kms++.h> #include <kms++/modedb.h> #include <kms++/mode_cvt.h> @@ -822,6 +825,9 @@ static void set_crtcs_n_planes_legacy(Card& card, const vector<OutputInfo>& outp static void set_crtcs_n_planes_atomic(Card& card, const vector<OutputInfo>& outputs) { + +#define LUT_ENTRIES 256 + unsigned int i; int r; // XXX DRM framework doesn't allow moving an active plane from one crtc to another. @@ -855,6 +861,25 @@ static void set_crtcs_n_planes_atomic(Card& card, const vector<OutputInfo>& outp // Keep blobs here so that we keep ref to them until we have committed the req vector<unique_ptr<Blob>> blobs; + struct drm_color_lut *gamma_table = static_cast<struct drm_color_lut *> + (calloc(LUT_ENTRIES, + sizeof(struct drm_color_lut))); + if (!gamma_table) + return; + + for (i = 0; i < LUT_ENTRIES; ++i) { +#define DRM_GAMMA_MAX_VALUE 0xffff + uint32_t entry = i * DRM_GAMMA_MAX_VALUE; + entry /= LUT_ENTRIES; + entry = DRM_GAMMA_MAX_VALUE - entry; + gamma_table[i].red = (uint16_t)entry; + gamma_table[i].green = (uint16_t)entry; + gamma_table[i].blue = (uint16_t)entry; + } + + Blob* lut_blob = new Blob(card, gamma_table, + sizeof(struct drm_color_lut) * LUT_ENTRIES); + AtomicReq req(card); for (const OutputInfo& o : outputs) { @@ -874,6 +899,7 @@ static void set_crtcs_n_planes_atomic(Card& card, const vector<OutputInfo>& outp req.add(crtc, { { "ACTIVE", 1 }, { "MODE_ID", mode_blob->id() }, + { "GAMMA_LUT", lut_blob->id() }, }); for (const PropInfo &prop: o.crtc_props) @@ -901,12 +927,18 @@ static void set_crtcs_n_planes_atomic(Card& card, const vector<OutputInfo>& outp } r = req.test(true); - if (r) + if (r) { + delete[] gamma_table; EXIT("Atomic test failed: %d\n", r); + } r = req.commit_sync(true); - if (r) + if (r) { + delete[] gamma_table; EXIT("Atomic commit failed: %d\n", r); + } + + delete[] gamma_table; } static void set_crtcs_n_planes(Card& card, const vector<OutputInfo>& outputs) |