aea15c2c76
Change-Id: Id5d5f9a61f092f33130fed4d8b8d00fcaf401dea Signed-off-by: Sean Paul <seanpaul@chromium.org>
120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
/*
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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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#include <stdlib.h>
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#include <cutils/log.h>
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#include <drm/drm_fourcc.h>
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#include <gralloc_drm.h>
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#include <gralloc_drm_priv.h>
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#include <gralloc_drm_handle.h>
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#include "drm_hwcomposer.h"
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struct hwc_import_context {
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struct drm_module_t *gralloc_module;
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};
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int hwc_import_init(struct hwc_import_context **ctx)
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{
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int ret;
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struct hwc_import_context *import_ctx;
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import_ctx = (struct hwc_import_context *)calloc(1,
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sizeof(*import_ctx));
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if (!ctx) {
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ALOGE("Failed to allocate gralloc import context");
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return -ENOMEM;
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}
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ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
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(const hw_module_t **)&import_ctx->gralloc_module);
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if (ret) {
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ALOGE("Failed to open gralloc module");
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goto err;
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}
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*ctx = import_ctx;
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return 0;
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err:
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free(import_ctx);
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return ret;
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}
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int hwc_import_destroy(struct hwc_import_context *ctx)
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{
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free(ctx);
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return 0;
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}
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static uint32_t hwc_convert_hal_format_to_drm_format(uint32_t hal_format)
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{
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switch(hal_format) {
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case HAL_PIXEL_FORMAT_RGB_888:
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return DRM_FORMAT_BGR888;
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case HAL_PIXEL_FORMAT_BGRA_8888:
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return DRM_FORMAT_ARGB8888;
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case HAL_PIXEL_FORMAT_RGBX_8888:
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return DRM_FORMAT_XBGR8888;
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case HAL_PIXEL_FORMAT_RGBA_8888:
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return DRM_FORMAT_ABGR8888;
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case HAL_PIXEL_FORMAT_RGB_565:
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return DRM_FORMAT_BGR565;
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case HAL_PIXEL_FORMAT_YV12:
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return DRM_FORMAT_YVU420;
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default:
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ALOGE("Cannot convert hal format to drm format %u", hal_format);
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return -EINVAL;
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}
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}
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int hwc_create_bo_from_import(int fd, hwc_import_context *ctx,
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buffer_handle_t handle, struct hwc_drm_bo *bo)
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{
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gralloc_drm_handle_t *gr_handle = gralloc_drm_handle(handle);
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struct gralloc_drm_bo_t *gralloc_bo;
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uint32_t gem_handle;
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int ret;
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if (!gr_handle)
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return -EINVAL;
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gralloc_bo = gr_handle->data;
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if (!gralloc_bo) {
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ALOGE("Could not get drm bo from handle");
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return -EINVAL;
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}
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ret = drmPrimeFDToHandle(fd, gr_handle->prime_fd, &gem_handle);
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if (ret) {
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ALOGE("failed to import prime fd %d ret=%d",
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gr_handle->prime_fd, ret);
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return ret;
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}
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bo->width = gr_handle->width;
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bo->height = gr_handle->height;
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bo->format = hwc_convert_hal_format_to_drm_format(gr_handle->format);
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bo->pitches[0] = gr_handle->stride;
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bo->gem_handles[0] = gem_handle;
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bo->offsets[0] = 0;
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return 0;
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}
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