You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.9 KiB
100 lines
2.9 KiB
/* |
|
* 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 "hal_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; |
|
} |
|
} |
|
} |
|
}
|
|
|