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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_UTIL_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_UTIL_H_
#include "base/containers/flat_map.h"
#include "third_party/perfetto/include/perfetto/tracing/traced_value_forward.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/ozone/platform/drm/common/drm_util.h"
#include "ui/ozone/platform/drm/common/drm_wrapper.h"
#include "ui/ozone/platform/drm/common/scoped_drm_types.h"
#include "ui/ozone/platform/drm/gpu/drm_device.h"
typedef struct _drmModeModeInfo drmModeModeInfo;
struct skcms_Matrix3x3;
namespace ui {
struct ControllerConfigParams {
ControllerConfigParams(int64_t display_id,
scoped_refptr<DrmDevice> drm,
uint32_t crtc,
uint32_t connector,
gfx::Point origin,
std::unique_ptr<drmModeModeInfo> pmode,
bool enable_vrr = false,
uint64_t base_connector_id = 0);
ControllerConfigParams(const ControllerConfigParams& other);
ControllerConfigParams(ControllerConfigParams&& other);
~ControllerConfigParams();
const int64_t display_id;
const scoped_refptr<DrmDevice> drm;
uint32_t crtc;
const uint32_t connector;
const uint64_t base_connector_id;
const gfx::Point origin;
std::unique_ptr<drmModeModeInfo> mode;
const bool enable_vrr;
};
using ConnectorCrtcMap =
base::flat_map<uint32_t /*connector_id*/, uint32_t /*crtc_id*/>;
// Describes assignment of CRTC with |crtc_id| to a connector with
// |connector_id|.
struct CrtcConnectorPair {
uint32_t crtc_id;
uint32_t connector_id;
};
using CrtcConnectorPairs = std::vector<CrtcConnectorPair>;
// Helper function that finds the property with the specified name.
bool GetDrmPropertyForName(DrmWrapper* drm,
drmModeObjectProperties* properties,
const std::string& name,
DrmWrapper::Property* property);
// If the |property| has a valid ID add it to the |property_set| request.
bool AddPropertyIfValid(drmModeAtomicReq* property_set,
uint32_t object_id,
const DrmWrapper::Property& property);
// Transforms the gamma curve into the drm_color_lut format with `size` entries.
ScopedDrmColorLutPtr CreateLutBlob(const display::GammaCurve& source,
size_t size);
// Parse a Lut blob to retrieve a display::GammaCurve.
bool ParseLutBlob(const void* data, size_t size, display::GammaCurve& result);
// Converts |color_matrix| to a drm_color_ctm in U31.32 format where the most
// significant bit is the sign. If `negative_values_broken` is true, then
// clamp all negative values to 0.
ScopedDrmColorCtmPtr CreateCTMBlob(const skcms_Matrix3x3& color_matrix,
bool negative_values_broken);
// Parse a CTM blob to retrieve a skcms_Matrix3x3.
bool ParseCTMBlob(const void* data, size_t size, skcms_Matrix3x3& result);
// Creates a FB Damage Clip Blob
ScopedDrmModeRectPtr CreateDCBlob(const gfx::Rect& rect);
// Returns the display infos parsed in
// |GetDisplayInfosAndInvalidCrtcs| and disables the invalid CRTCs
// that weren't picked as preferred CRTCs.
std::vector<std::unique_ptr<HardwareDisplayControllerInfo>>
GetDisplayInfosAndUpdateCrtcs(DrmWrapper& drm);
void DrmWriteIntoTraceHelper(const drmModeModeInfo& mode_info,
perfetto::TracedValue context);
// Given a list of connectors from |controllers_params|, generate a list of all
// possible CRTC-connector combinations. The returned vector will contain
// permutations that have all the connectors in connectors paired up with each
// of their supported CRTC.
std::vector<CrtcConnectorPairs> GetAllCrtcConnectorPermutations(
const DrmDevice& drm,
const std::vector<ControllerConfigParams>& controllers_params);
// Apply the color space conversion of `crtc_id` in-place on the specified RGB
// triple.
void ApplyCrtcColorSpaceConversion(DrmWrapper* drm,
uint32_t crtc_id,
float rgb[3]);
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_UTIL_H_
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