| /* |
| * Copyright (C) Texas Instruments Incorporated - http://www.ti.com/ |
| * |
| * 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. |
| */ |
| |
| #include <log/log.h> |
| #include <drm/drm_fourcc.h> |
| #include <hardware/hwcomposer.h> |
| |
| #include <xf86drm.h> |
| #include <xf86drmMode.h> |
| |
| #include "drmfb.h" |
| #include "format.h" |
| #include "img_gralloc1_public.h" |
| |
| DRMFramebuffer::DRMFramebuffer(int drm_fd, buffer_handle_t handle, bool is_overlay) : |
| bo(), pitches(), offsets() |
| { |
| if (!handle) |
| return; |
| |
| uint32_t gem_handle; |
| IMG_native_handle_t* img_hnd = (IMG_native_handle_t*)handle; |
| int ret = drmPrimeFDToHandle(drm_fd, img_hnd->fd[0], &gem_handle); |
| if (ret) { |
| ALOGE("Failed to get DRM buffer object from handle"); |
| return; |
| } |
| |
| this->width = img_hnd->iWidth; |
| this->height = img_hnd->iHeight; |
| this->format = convert_hal_to_drm_format(img_hnd->iFormat, true); |
| this->bo[0] = gem_handle; |
| this->pitches[0] = ALIGN(img_hnd->iWidth, HW_ALIGN) * get_format_bpp(img_hnd->iFormat) >> 3; |
| this->offsets[0] = 0; |
| this->drm_fd = drm_fd; |
| |
| if (is_overlay) { |
| switch (this->format) { |
| case DRM_FORMAT_NV12: |
| this->bo[1] = gem_handle; |
| |
| this->pitches[0] = ALIGN(img_hnd->iWidth, HW_ALIGN); |
| this->pitches[1] = this->pitches[0]; |
| |
| this->offsets[1] = this->pitches[0] * img_hnd->iHeight; |
| break; |
| case DRM_FORMAT_ARGB8888: |
| case DRM_FORMAT_XRGB8888: |
| case DRM_FORMAT_RGB565: |
| break; |
| default: |
| ALOGE("Bad format for overlay"); |
| return; |
| } |
| } |
| |
| ret = drmModeAddFB2(drm_fd, this->width, this->height, |
| this->format, this->bo, |
| this->pitches, this->offsets, |
| &this->fb_id, 0); |
| if (ret) { |
| ALOGE("Could not create DRM frame buffer %d", ret); |
| return; |
| } |
| } |
| |
| DRMFramebuffer::~DRMFramebuffer() |
| { |
| if (this->fb_id) { |
| if (drmModeRmFB(this->drm_fd, this->fb_id)) |
| ALOGE("Failed to remove DRM frame buffer"); |
| } |
| |
| for (size_t i = 0; i < 4; i++) { |
| if (this->bo[i]) { |
| struct drm_gem_close close_args = { |
| close_args.handle = this->bo[i], |
| close_args.pad = 0, |
| }; |
| int ret = drmIoctl(this->drm_fd, DRM_IOCTL_GEM_CLOSE, &close_args); |
| if (ret) { |
| ALOGE("Failed to close GEM handle"); |
| return; |
| } |
| } |
| } |
| } |