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328 lines
8.5 KiB
328 lines
8.5 KiB
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "hwc-drm-plane"
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#include "DrmPlane.h"
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#include <algorithm>
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#include <cerrno>
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#include <cinttypes>
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#include <cstdint>
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#include "DrmDevice.h"
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#include "bufferinfo/BufferInfoGetter.h"
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#include "utils/log.h"
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namespace android {
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DrmPlane::DrmPlane(DrmDevice *drm, drmModePlanePtr p)
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: drm_(drm),
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id_(p->plane_id),
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possible_crtc_mask_(p->possible_crtcs),
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formats_(p->formats, p->formats + p->count_formats) {
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}
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int DrmPlane::Init() {
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DrmProperty p;
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int ret = drm_->GetPlaneProperty(*this, "type", &p);
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if (ret) {
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ALOGE("Could not get plane type property");
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return ret;
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}
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uint64_t type = 0;
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std::tie(ret, type) = p.value();
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if (ret) {
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ALOGE("Failed to get plane type property value");
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return ret;
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}
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switch (type) {
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case DRM_PLANE_TYPE_OVERLAY:
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case DRM_PLANE_TYPE_PRIMARY:
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case DRM_PLANE_TYPE_CURSOR:
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type_ = (uint32_t)type;
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break;
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default:
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ALOGE("Invalid plane type %" PRIu64, type);
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return -EINVAL;
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}
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ret = drm_->GetPlaneProperty(*this, "CRTC_ID", &crtc_property_);
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if (ret) {
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ALOGE("Could not get CRTC_ID property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "FB_ID", &fb_property_);
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if (ret) {
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ALOGE("Could not get FB_ID property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "CRTC_X", &crtc_x_property_);
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if (ret) {
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ALOGE("Could not get CRTC_X property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "CRTC_Y", &crtc_y_property_);
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if (ret) {
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ALOGE("Could not get CRTC_Y property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "CRTC_W", &crtc_w_property_);
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if (ret) {
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ALOGE("Could not get CRTC_W property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "CRTC_H", &crtc_h_property_);
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if (ret) {
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ALOGE("Could not get CRTC_H property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "SRC_X", &src_x_property_);
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if (ret) {
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ALOGE("Could not get SRC_X property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "SRC_Y", &src_y_property_);
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if (ret) {
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ALOGE("Could not get SRC_Y property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "SRC_W", &src_w_property_);
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if (ret) {
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ALOGE("Could not get SRC_W property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "SRC_H", &src_h_property_);
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if (ret) {
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ALOGE("Could not get SRC_H property");
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return ret;
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}
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ret = drm_->GetPlaneProperty(*this, "zpos", &zpos_property_);
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if (ret)
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ALOGE("Could not get zpos property for plane %u", id());
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ret = drm_->GetPlaneProperty(*this, "rotation", &rotation_property_);
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if (ret)
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ALOGE("Could not get rotation property");
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ret = drm_->GetPlaneProperty(*this, "alpha", &alpha_property_);
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if (ret)
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ALOGI("Could not get alpha property");
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ret = drm_->GetPlaneProperty(*this, "pixel blend mode", &blend_property_);
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if (ret)
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ALOGI("Could not get pixel blend mode property");
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ret = drm_->GetPlaneProperty(*this, "IN_FENCE_FD", &in_fence_fd_property_);
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if (ret)
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ALOGI("Could not get IN_FENCE_FD property");
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if (HasNonRgbFormat()) {
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ret = drm_->GetPlaneProperty(*this, "COLOR_ENCODING",
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&color_encoding_propery_);
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if (ret)
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ALOGI("Could not get COLOR_ENCODING property");
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ret = drm_->GetPlaneProperty(*this, "COLOR_RANGE", &color_range_property_);
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if (ret)
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ALOGI("Could not get COLOR_RANGE property");
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}
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return 0;
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}
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uint32_t DrmPlane::id() const {
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return id_;
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}
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bool DrmPlane::GetCrtcSupported(const DrmCrtc &crtc) const {
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return ((1 << crtc.pipe()) & possible_crtc_mask_) != 0;
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}
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bool DrmPlane::IsValidForLayer(DrmHwcLayer *layer) {
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if (rotation_property_.id() == 0) {
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if (layer->transform != DrmHwcTransform::kIdentity) {
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ALOGV("Rotation is not supported on plane %d", id_);
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return false;
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}
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} else {
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// For rotation checks, we assume the hardware reports its capabilities
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// consistently (e.g. a 270 degree rotation is a 90 degree rotation + H
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// flip + V flip; it wouldn't make sense to support all of the latter but
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// not the former).
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int ret = 0;
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const std::pair<enum DrmHwcTransform, std::string> transforms[] =
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{{kFlipH, "reflect-x"},
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{kFlipV, "reflect-y"},
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{kRotate90, "rotate-90"},
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{kRotate180, "rotate-180"},
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{kRotate270, "rotate-270"}};
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for (const auto &[transform, name] : transforms) {
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if (layer->transform & transform) {
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std::tie(std::ignore,
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ret) = rotation_property_.GetEnumValueWithName(name);
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if (ret) {
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ALOGV("Rotation '%s' is not supported on plane %d", name.c_str(),
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id_);
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return false;
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}
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}
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}
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}
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if (alpha_property_.id() == 0 && layer->alpha != 0xffff) {
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ALOGV("Alpha is not supported on plane %d", id_);
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return false;
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}
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if (blend_property_.id() == 0) {
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if ((layer->blending != DrmHwcBlending::kNone) &&
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(layer->blending != DrmHwcBlending::kPreMult)) {
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ALOGV("Blending is not supported on plane %d", id_);
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return false;
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}
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} else {
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int ret = 0;
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switch (layer->blending) {
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case DrmHwcBlending::kPreMult:
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std::tie(std::ignore,
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ret) = blend_property_.GetEnumValueWithName("Pre-multiplied");
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break;
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case DrmHwcBlending::kCoverage:
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std::tie(std::ignore,
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ret) = blend_property_.GetEnumValueWithName("Coverage");
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break;
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case DrmHwcBlending::kNone:
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default:
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std::tie(std::ignore,
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ret) = blend_property_.GetEnumValueWithName("None");
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break;
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}
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if (ret) {
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ALOGV("Expected a valid blend mode on plane %d", id_);
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return false;
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}
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}
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uint32_t format = layer->buffer_info.format;
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if (!IsFormatSupported(format)) {
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ALOGV("Plane %d does not supports %c%c%c%c format", id_, format,
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format >> 8, format >> 16, format >> 24);
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return false;
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}
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return true;
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}
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uint32_t DrmPlane::type() const {
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return type_;
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}
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bool DrmPlane::IsFormatSupported(uint32_t format) const {
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return std::find(std::begin(formats_), std::end(formats_), format) !=
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std::end(formats_);
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}
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bool DrmPlane::HasNonRgbFormat() const {
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return std::find_if_not(std::begin(formats_), std::end(formats_),
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[](uint32_t format) {
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return BufferInfoGetter::IsDrmFormatRgb(format);
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}) != std::end(formats_);
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}
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const DrmProperty &DrmPlane::crtc_property() const {
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return crtc_property_;
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}
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const DrmProperty &DrmPlane::fb_property() const {
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return fb_property_;
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}
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const DrmProperty &DrmPlane::crtc_x_property() const {
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return crtc_x_property_;
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}
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const DrmProperty &DrmPlane::crtc_y_property() const {
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return crtc_y_property_;
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}
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const DrmProperty &DrmPlane::crtc_w_property() const {
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return crtc_w_property_;
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}
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const DrmProperty &DrmPlane::crtc_h_property() const {
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return crtc_h_property_;
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}
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const DrmProperty &DrmPlane::src_x_property() const {
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return src_x_property_;
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}
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const DrmProperty &DrmPlane::src_y_property() const {
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return src_y_property_;
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}
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const DrmProperty &DrmPlane::src_w_property() const {
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return src_w_property_;
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}
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const DrmProperty &DrmPlane::src_h_property() const {
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return src_h_property_;
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}
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const DrmProperty &DrmPlane::zpos_property() const {
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return zpos_property_;
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}
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const DrmProperty &DrmPlane::rotation_property() const {
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return rotation_property_;
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}
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const DrmProperty &DrmPlane::alpha_property() const {
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return alpha_property_;
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}
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const DrmProperty &DrmPlane::blend_property() const {
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return blend_property_;
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}
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const DrmProperty &DrmPlane::in_fence_fd_property() const {
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return in_fence_fd_property_;
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}
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const DrmProperty &DrmPlane::color_encoding_propery() const {
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return color_encoding_propery_;
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}
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const DrmProperty &DrmPlane::color_range_property() const {
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return color_range_property_;
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}
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} // namespace android
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