This allows for importing buffers allocated from the hikey and hikey960 gralloc implementations.

Cc: Marissa Wall marissaw@google.com Cc: Sean Paul seanpaul@google.com Cc: Dmitry Shmidt dimitrysh@google.com Cc: Robert Foss robert.foss@collabora.com Cc: Matt Szczesiak matt.szczesiak@arm.com Cc: Liviu Dudau Liviu.Dudau@arm.com Cc: David Hanna david.hanna11@gmail.com Cc: Rob Herring rob.herring@linaro.org Cc: Alexandru-Cosmin Gheorghe Alexandru-Cosmin.Gheorghe@arm.com Cc: Alistair Strachan astrachan@google.com Acked-by: Robert Foss robert.foss@collabora.com Signed-off-by: John Stultz john.stultz@linaro.org --- v2: * Make platformhisi and the generic importer exclusive in the build * Fixup vendor check v3: * Unify format conversions * Subclass the platformdrmgeneric importer implementation to reduce code duplication * Rework to avoid board specific logic (tweak gralloc to be consistent between the two) v4: * Minor cleanups as suggested by Alexandru-Cosmin Gheorghe v5: * Minor spelling fix in commit message noticed by Robert Foss --- Android.mk | 13 +++++ platformdrmgeneric.h | 2 +- platformhisi.cpp | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++ platformhisi.h | 48 ++++++++++++++++++ 4 files changed, 197 insertions(+), 1 deletion(-) create mode 100644 platformhisi.cpp create mode 100644 platformhisi.h

diff --git a/Android.mk b/Android.mk index 8b11e37..1add286 100644 --- a/Android.mk +++ b/Android.mk @@ -75,7 +75,20 @@ LOCAL_CPPFLAGS += \ -DHWC2_USE_CPP11 \ -DHWC2_INCLUDE_STRINGIFICATION

+ +ifeq ($(TARGET_PRODUCT),hikey960) +LOCAL_CPPFLAGS += -DUSE_HISI_IMPORTER +LOCAL_SRC_FILES += platformhisi.cpp +LOCAL_C_INCLUDES += device/linaro/hikey/gralloc960/ +else +ifeq ($(TARGET_PRODUCT),hikey) +LOCAL_CPPFLAGS += -DUSE_HISI_IMPORTER +LOCAL_SRC_FILES += platformhisi.cpp +LOCAL_C_INCLUDES += device/linaro/hikey/gralloc/ +else LOCAL_CPPFLAGS += -DUSE_DRM_GENERIC_IMPORTER +endif +endif

LOCAL_MODULE := hwcomposer.drm LOCAL_MODULE_TAGS := optional diff --git a/platformdrmgeneric.h b/platformdrmgeneric.h index 8376580..fbe059b 100644 --- a/platformdrmgeneric.h +++ b/platformdrmgeneric.h @@ -35,8 +35,8 @@ class DrmGenericImporter : public Importer { int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) override; int ReleaseBuffer(hwc_drm_bo_t *bo) override;

- private: uint32_t ConvertHalFormatToDrm(uint32_t hal_format); + private:

DrmResources *drm_;

diff --git a/platformhisi.cpp b/platformhisi.cpp new file mode 100644 index 0000000..16c5e6f --- /dev/null +++ b/platformhisi.cpp @@ -0,0 +1,135 @@ +/* + * 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-platform-hisi" + +#include "drmresources.h" +#include "platform.h" +#include "platformhisi.h" + + +#include <drm/drm_fourcc.h> +#include <cinttypes> +#include <stdatomic.h> +#include <xf86drm.h> +#include <xf86drmMode.h> + +#include <cutils/log.h> +#include <hardware/gralloc.h> +#include "gralloc_priv.h" + + +namespace android { + +Importer *Importer::CreateInstance(DrmResources *drm) { + HisiImporter *importer = new HisiImporter(drm); + if (!importer) + return NULL; + + int ret = importer->Init(); + if (ret) { + ALOGE("Failed to initialize the hisi importer %d", ret); + delete importer; + return NULL; + } + return importer; +} + +HisiImporter::HisiImporter(DrmResources *drm) : DrmGenericImporter(drm), drm_(drm) { +} + +HisiImporter::~HisiImporter() { +} + +int HisiImporter::Init() { + int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, + (const hw_module_t **)&gralloc_); + if (ret) { + ALOGE("Failed to open gralloc module %d", ret); + return ret; + } + + if (strcasecmp(gralloc_->common.author, "ARM Ltd.")) + ALOGW("Using non-ARM gralloc module: %s/%s\n", gralloc_->common.name, + gralloc_->common.author); + + return 0; +} + +EGLImageKHR HisiImporter::ImportImage(EGLDisplay egl_display, buffer_handle_t handle) { + private_handle_t const *hnd = reinterpret_cast < private_handle_t const *>(handle); + if (!hnd) + return NULL; + + EGLint fmt = ConvertHalFormatToDrm(hnd->req_format); + if (fmt < 0) + return NULL; + + EGLint attr[] = { + EGL_WIDTH, hnd->width, + EGL_HEIGHT, hnd->height, + EGL_LINUX_DRM_FOURCC_EXT, fmt, + EGL_DMA_BUF_PLANE0_FD_EXT, hnd->share_fd, + EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0, + EGL_DMA_BUF_PLANE0_PITCH_EXT, hnd->byte_stride, + EGL_NONE, + }; + return eglCreateImageKHR(egl_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attr); +} + +int HisiImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) { + private_handle_t const *hnd = reinterpret_cast < private_handle_t const *>(handle); + if (!hnd) + return -EINVAL; + + uint32_t gem_handle; + int ret = drmPrimeFDToHandle(drm_->fd(), hnd->share_fd, &gem_handle); + if (ret) { + ALOGE("failed to import prime fd %d ret=%d", hnd->share_fd, ret); + return ret; + } + + EGLint fmt = ConvertHalFormatToDrm(hnd->req_format); + if (fmt < 0) + return fmt; + + memset(bo, 0, sizeof(hwc_drm_bo_t)); + bo->width = hnd->width; + bo->height = hnd->height; + bo->format = fmt; + bo->usage = hnd->usage; + bo->pitches[0] = hnd->byte_stride; + bo->gem_handles[0] = gem_handle; + bo->offsets[0] = 0; + + ret = drmModeAddFB2(drm_->fd(), bo->width, bo->height, bo->format, + bo->gem_handles, bo->pitches, bo->offsets, &bo->fb_id, 0); + if (ret) { + ALOGE("could not create drm fb %d", ret); + return ret; + } + + return ret; +} + +std::unique_ptr<Planner> Planner::CreateInstance(DrmResources *) { + std::unique_ptr<Planner> planner(new Planner); + planner->AddStage<PlanStageGreedy>(); + return planner; +} +} + + diff --git a/platformhisi.h b/platformhisi.h new file mode 100644 index 0000000..46f4595 --- /dev/null +++ b/platformhisi.h @@ -0,0 +1,48 @@ +/* + * 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. + */ + +#ifndef ANDROID_PLATFORM_HISI_H_ +#define ANDROID_PLATFORM_HISI_H_ + +#include "drmresources.h" +#include "platform.h" +#include "platformdrmgeneric.h" + +#include <stdatomic.h> + +#include <hardware/gralloc.h> + +namespace android { + +class HisiImporter : public DrmGenericImporter { + public: + HisiImporter(DrmResources *drm); + ~HisiImporter() override; + + int Init(); + + EGLImageKHR ImportImage(EGLDisplay egl_display, buffer_handle_t handle) override; + int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) override; + + private: + + DrmResources *drm_; + + const gralloc_module_t *gralloc_; +}; +} + +#endif