| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "hwc-drm-plane" |
| |
| #include "DrmPlane.h" |
| |
| #include <algorithm> |
| #include <cerrno> |
| #include <cinttypes> |
| #include <cstdint> |
| |
| #include "DrmDevice.h" |
| #include "bufferinfo/BufferInfoGetter.h" |
| #include "utils/log.h" |
| |
| namespace android { |
| |
| DrmPlane::DrmPlane(DrmDevice *drm, drmModePlanePtr p) |
| : drm_(drm), |
| id_(p->plane_id), |
| possible_crtc_mask_(p->possible_crtcs), |
| formats_(p->formats, p->formats + p->count_formats) { |
| } |
| |
| int DrmPlane::Init() { |
| DrmProperty p; |
| |
| if (!GetPlaneProperty("type", p)) { |
| return -ENOTSUP; |
| } |
| |
| int ret = 0; |
| uint64_t type = 0; |
| std::tie(ret, type) = p.value(); |
| if (ret) { |
| ALOGE("Failed to get plane type property value"); |
| return ret; |
| } |
| switch (type) { |
| case DRM_PLANE_TYPE_OVERLAY: |
| case DRM_PLANE_TYPE_PRIMARY: |
| case DRM_PLANE_TYPE_CURSOR: |
| type_ = (uint32_t)type; |
| break; |
| default: |
| ALOGE("Invalid plane type %" PRIu64, type); |
| return -EINVAL; |
| } |
| |
| if (!GetPlaneProperty("CRTC_ID", crtc_property_) || |
| !GetPlaneProperty("FB_ID", fb_property_) || |
| !GetPlaneProperty("CRTC_X", crtc_x_property_) || |
| !GetPlaneProperty("CRTC_Y", crtc_y_property_) || |
| !GetPlaneProperty("CRTC_W", crtc_w_property_) || |
| !GetPlaneProperty("CRTC_H", crtc_h_property_) || |
| !GetPlaneProperty("SRC_X", src_x_property_) || |
| !GetPlaneProperty("SRC_Y", src_y_property_) || |
| !GetPlaneProperty("SRC_W", src_w_property_) || |
| !GetPlaneProperty("SRC_H", src_h_property_)) { |
| return -ENOTSUP; |
| } |
| |
| GetPlaneProperty("zpos", zpos_property_, Presence::kOptional); |
| |
| if (GetPlaneProperty("rotation", rotation_property_, Presence::kOptional)) { |
| rotation_property_.AddEnumToMap("rotate-0", DrmHwcTransform::kIdentity, |
| transform_enum_map_); |
| rotation_property_.AddEnumToMap("rotate-90", DrmHwcTransform::kRotate90, |
| transform_enum_map_); |
| rotation_property_.AddEnumToMap("rotate-180", DrmHwcTransform::kRotate180, |
| transform_enum_map_); |
| rotation_property_.AddEnumToMap("rotate-270", DrmHwcTransform::kRotate270, |
| transform_enum_map_); |
| rotation_property_.AddEnumToMap("reflect-x", DrmHwcTransform::kFlipH, |
| transform_enum_map_); |
| rotation_property_.AddEnumToMap("reflect-y", DrmHwcTransform::kFlipV, |
| transform_enum_map_); |
| } |
| |
| GetPlaneProperty("alpha", alpha_property_, Presence::kOptional); |
| |
| if (GetPlaneProperty("pixel blend mode", blend_property_, |
| Presence::kOptional)) { |
| blend_property_.AddEnumToMap("Pre-multiplied", DrmHwcBlending::kPreMult, |
| blending_enum_map_); |
| blend_property_.AddEnumToMap("Coverage", DrmHwcBlending::kCoverage, |
| blending_enum_map_); |
| blend_property_.AddEnumToMap("None", DrmHwcBlending::kNone, |
| blending_enum_map_); |
| } |
| |
| GetPlaneProperty("IN_FENCE_FD", in_fence_fd_property_, Presence::kOptional); |
| |
| if (HasNonRgbFormat()) { |
| if (GetPlaneProperty("COLOR_ENCODING", color_encoding_propery_, |
| Presence::kOptional)) { |
| color_encoding_propery_.AddEnumToMap("ITU-R BT.709 YCbCr", |
| DrmHwcColorSpace::kItuRec709, |
| color_encoding_enum_map_); |
| color_encoding_propery_.AddEnumToMap("ITU-R BT.601 YCbCr", |
| DrmHwcColorSpace::kItuRec601, |
| color_encoding_enum_map_); |
| color_encoding_propery_.AddEnumToMap("ITU-R BT.2020 YCbCr", |
| DrmHwcColorSpace::kItuRec2020, |
| color_encoding_enum_map_); |
| } |
| |
| if (GetPlaneProperty("COLOR_RANGE", color_range_property_, |
| Presence::kOptional)) { |
| color_range_property_.AddEnumToMap("YCbCr full range", |
| DrmHwcSampleRange::kFullRange, |
| color_range_enum_map_); |
| color_range_property_.AddEnumToMap("YCbCr limited range", |
| DrmHwcSampleRange::kLimitedRange, |
| color_range_enum_map_); |
| } |
| } |
| |
| return 0; |
| } |
| |
| uint32_t DrmPlane::id() const { |
| return id_; |
| } |
| |
| bool DrmPlane::GetCrtcSupported(const DrmCrtc &crtc) const { |
| return ((1 << crtc.pipe()) & possible_crtc_mask_) != 0; |
| } |
| |
| bool DrmPlane::IsValidForLayer(DrmHwcLayer *layer) { |
| if (!rotation_property_) { |
| if (layer->transform != DrmHwcTransform::kIdentity) { |
| ALOGV("No rotation property on plane %d", id_); |
| return false; |
| } |
| } else { |
| if (transform_enum_map_.count(layer->transform) == 0) { |
| ALOGV("Transform is not supported on plane %d", id_); |
| return false; |
| } |
| } |
| |
| if (alpha_property_.id() == 0 && layer->alpha != 0xffff) { |
| ALOGV("Alpha is not supported on plane %d", id_); |
| return false; |
| } |
| |
| if (blending_enum_map_.count(layer->blending) == 0 && |
| layer->blending != DrmHwcBlending::kNone && |
| layer->blending != DrmHwcBlending::kPreMult) { |
| ALOGV("Blending is not supported on plane %d", id_); |
| return false; |
| } |
| |
| uint32_t format = layer->buffer_info.format; |
| if (!IsFormatSupported(format)) { |
| ALOGV("Plane %d does not supports %c%c%c%c format", id_, format, |
| format >> 8, format >> 16, format >> 24); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| uint32_t DrmPlane::type() const { |
| return type_; |
| } |
| |
| bool DrmPlane::IsFormatSupported(uint32_t format) const { |
| return std::find(std::begin(formats_), std::end(formats_), format) != |
| std::end(formats_); |
| } |
| |
| bool DrmPlane::HasNonRgbFormat() const { |
| return std::find_if_not(std::begin(formats_), std::end(formats_), |
| [](uint32_t format) { |
| return BufferInfoGetter::IsDrmFormatRgb(format); |
| }) != std::end(formats_); |
| } |
| |
| static uint64_t ToDrmRotation(DrmHwcTransform transform) { |
| uint64_t rotation = 0; |
| if (transform & DrmHwcTransform::kFlipH) |
| rotation |= DRM_MODE_REFLECT_X; |
| if (transform & DrmHwcTransform::kFlipV) |
| rotation |= DRM_MODE_REFLECT_Y; |
| if (transform & DrmHwcTransform::kRotate90) |
| rotation |= DRM_MODE_ROTATE_90; |
| else if (transform & DrmHwcTransform::kRotate180) |
| rotation |= DRM_MODE_ROTATE_180; |
| else if (transform & DrmHwcTransform::kRotate270) |
| rotation |= DRM_MODE_ROTATE_270; |
| else |
| rotation |= DRM_MODE_ROTATE_0; |
| |
| return rotation; |
| } |
| |
| auto DrmPlane::AtomicSetState(drmModeAtomicReq &pset, DrmHwcLayer &layer, |
| uint32_t zpos, uint32_t crtc_id) -> int { |
| if (!layer.FbIdHandle) { |
| ALOGE("Expected a valid framebuffer for pset"); |
| return -EINVAL; |
| } |
| |
| if (zpos_property_ && !zpos_property_.is_immutable()) { |
| uint64_t min_zpos = 0; |
| |
| // Ignore ret and use min_zpos as 0 by default |
| std::tie(std::ignore, min_zpos) = zpos_property_.range_min(); |
| |
| if (!zpos_property_.AtomicSet(pset, zpos + min_zpos)) { |
| return -EINVAL; |
| } |
| } |
| |
| if (layer.acquire_fence && |
| !in_fence_fd_property_.AtomicSet(pset, layer.acquire_fence.Get())) { |
| return -EINVAL; |
| } |
| |
| if (!crtc_property_.AtomicSet(pset, crtc_id) || |
| !fb_property_.AtomicSet(pset, layer.FbIdHandle->GetFbId()) || |
| !crtc_x_property_.AtomicSet(pset, layer.display_frame.left) || |
| !crtc_y_property_.AtomicSet(pset, layer.display_frame.top) || |
| !crtc_w_property_.AtomicSet(pset, layer.display_frame.right - |
| layer.display_frame.left) || |
| !crtc_h_property_.AtomicSet(pset, layer.display_frame.bottom - |
| layer.display_frame.top) || |
| !src_x_property_.AtomicSet(pset, (int)(layer.source_crop.left) << 16) || |
| !src_y_property_.AtomicSet(pset, (int)(layer.source_crop.top) << 16) || |
| !src_w_property_.AtomicSet(pset, (int)(layer.source_crop.right - |
| layer.source_crop.left) |
| << 16) || |
| !src_h_property_.AtomicSet(pset, (int)(layer.source_crop.bottom - |
| layer.source_crop.top) |
| << 16)) { |
| return -EINVAL; |
| } |
| |
| if (rotation_property_ && |
| !rotation_property_.AtomicSet(pset, ToDrmRotation(layer.transform))) { |
| return -EINVAL; |
| } |
| |
| if (alpha_property_ && !alpha_property_.AtomicSet(pset, layer.alpha)) { |
| return -EINVAL; |
| } |
| |
| if (blending_enum_map_.count(layer.blending) != 0 && |
| !blend_property_.AtomicSet(pset, blending_enum_map_[layer.blending])) { |
| return -EINVAL; |
| } |
| |
| if (color_encoding_enum_map_.count(layer.color_space) != 0 && |
| !color_encoding_propery_ |
| .AtomicSet(pset, color_encoding_enum_map_[layer.color_space])) { |
| return -EINVAL; |
| } |
| |
| if (color_range_enum_map_.count(layer.sample_range) != 0 && |
| !color_range_property_ |
| .AtomicSet(pset, color_range_enum_map_[layer.sample_range])) { |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| auto DrmPlane::AtomicDisablePlane(drmModeAtomicReq &pset) -> int { |
| if (!crtc_property_.AtomicSet(pset, 0) || !fb_property_.AtomicSet(pset, 0)) { |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| const DrmProperty &DrmPlane::zpos_property() const { |
| return zpos_property_; |
| } |
| |
| auto DrmPlane::GetPlaneProperty(const char *prop_name, DrmProperty &property, |
| Presence presence) -> bool { |
| int err = drm_->GetProperty(id_, DRM_MODE_OBJECT_PLANE, prop_name, &property); |
| if (err != 0) { |
| if (presence == Presence::kMandatory) { |
| ALOGE("Could not get mandatory property \"%s\" from plane %d", prop_name, |
| id_); |
| } else { |
| ALOGV("Could not get optional property \"%s\" from plane %d", prop_name, |
| id_); |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace android |
