2 * Copyright (C) 2015 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #define LOG_TAG "hwc-platform-drm-generic"
19 #include "drmresources.h"
21 #include "platformdrmgeneric.h"
23 #include <drm/drm_fourcc.h>
25 #include <xf86drmMode.h>
27 #include <cutils/log.h>
28 #include <gralloc_handle.h>
29 #include <hardware/gralloc.h>
30 #include <EGL/eglext.h>
34 #ifdef USE_DRM_GENERIC_IMPORTER
36 Importer *Importer::CreateInstance(DrmResources *drm) {
37 DrmGenericImporter *importer = new DrmGenericImporter(drm);
41 int ret = importer->Init();
43 ALOGE("Failed to initialize the nv importer %d", ret);
51 DrmGenericImporter::DrmGenericImporter(DrmResources *drm) : drm_(drm) {
54 DrmGenericImporter::~DrmGenericImporter() {
57 int DrmGenericImporter::Init() {
58 int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
59 (const hw_module_t **)&gralloc_);
61 ALOGE("Failed to open gralloc module");
67 uint32_t DrmGenericImporter::ConvertHalFormatToDrm(uint32_t hal_format) {
69 case HAL_PIXEL_FORMAT_RGB_888:
70 return DRM_FORMAT_BGR888;
71 case HAL_PIXEL_FORMAT_BGRA_8888:
72 return DRM_FORMAT_ARGB8888;
73 case HAL_PIXEL_FORMAT_RGBX_8888:
74 return DRM_FORMAT_XBGR8888;
75 case HAL_PIXEL_FORMAT_RGBA_8888:
76 return DRM_FORMAT_ABGR8888;
77 case HAL_PIXEL_FORMAT_RGB_565:
78 return DRM_FORMAT_BGR565;
79 case HAL_PIXEL_FORMAT_YV12:
80 return DRM_FORMAT_YVU420;
82 ALOGE("Cannot convert hal format to drm format %u", hal_format);
87 EGLImageKHR DrmGenericImporter::ImportImage(EGLDisplay egl_display, buffer_handle_t handle) {
88 gralloc_handle_t *gr_handle = gralloc_handle(handle);
92 EGL_WIDTH, (EGLint)gr_handle->width,
93 EGL_HEIGHT, (EGLint)gr_handle->height,
94 EGL_LINUX_DRM_FOURCC_EXT, (EGLint)ConvertHalFormatToDrm(gr_handle->format),
95 EGL_DMA_BUF_PLANE0_FD_EXT, gr_handle->prime_fd,
96 EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
97 EGL_DMA_BUF_PLANE0_PITCH_EXT, (EGLint)gr_handle->stride,
100 return eglCreateImageKHR(egl_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attr);
103 int DrmGenericImporter::ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) {
104 gralloc_handle_t *gr_handle = gralloc_handle(handle);
109 int ret = drmPrimeFDToHandle(drm_->fd(), gr_handle->prime_fd, &gem_handle);
111 ALOGE("failed to import prime fd %d ret=%d", gr_handle->prime_fd, ret);
115 memset(bo, 0, sizeof(hwc_drm_bo_t));
116 bo->width = gr_handle->width;
117 bo->height = gr_handle->height;
118 bo->format = ConvertHalFormatToDrm(gr_handle->format);
119 bo->usage = gr_handle->usage;
120 bo->pitches[0] = gr_handle->stride;
121 bo->gem_handles[0] = gem_handle;
124 ret = drmModeAddFB2(drm_->fd(), bo->width, bo->height, bo->format,
125 bo->gem_handles, bo->pitches, bo->offsets, &bo->fb_id, 0);
127 ALOGE("could not create drm fb %d", ret);
134 int DrmGenericImporter::ReleaseBuffer(hwc_drm_bo_t *bo) {
136 if (drmModeRmFB(drm_->fd(), bo->fb_id))
137 ALOGE("Failed to rm fb");
139 struct drm_gem_close gem_close;
140 memset(&gem_close, 0, sizeof(gem_close));
141 int num_gem_handles = sizeof(bo->gem_handles) / sizeof(bo->gem_handles[0]);
142 for (int i = 0; i < num_gem_handles; i++) {
143 if (!bo->gem_handles[i])
146 gem_close.handle = bo->gem_handles[i];
147 int ret = drmIoctl(drm_->fd(), DRM_IOCTL_GEM_CLOSE, &gem_close);
149 ALOGE("Failed to close gem handle %d %d", i, ret);
151 bo->gem_handles[i] = 0;
156 #ifdef USE_DRM_GENERIC_IMPORTER
157 std::unique_ptr<Planner> Planner::CreateInstance(DrmResources *) {
158 std::unique_ptr<Planner> planner(new Planner);
159 planner->AddStage<PlanStageGreedy>();