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100 lines
2.5 KiB
100 lines
2.5 KiB
4 months ago
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/*
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* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "cros_gralloc_helpers.h"
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#include <sync/sync.h>
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uint32_t cros_gralloc_convert_format(int format)
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{
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/*
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* Conversion from HAL to fourcc-based DRV formats based on
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* platform_android.c in mesa.
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*/
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switch (format) {
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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_IMPLEMENTATION_DEFINED:
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return DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED;
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case HAL_PIXEL_FORMAT_RAW16:
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return DRM_FORMAT_R16;
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case HAL_PIXEL_FORMAT_RGB_565:
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return DRM_FORMAT_RGB565;
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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_RGBA_8888:
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return DRM_FORMAT_ABGR8888;
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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_YCbCr_420_888:
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return DRM_FORMAT_FLEX_YCbCr_420_888;
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case HAL_PIXEL_FORMAT_YV12:
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return DRM_FORMAT_YVU420_ANDROID;
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/*
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* Choose DRM_FORMAT_R8 because <system/graphics.h> requires the buffers
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* with a format HAL_PIXEL_FORMAT_BLOB have a height of 1, and width
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* equal to their size in bytes.
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*/
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case HAL_PIXEL_FORMAT_BLOB:
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return DRM_FORMAT_R8;
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#if ANDROID_VERSION >= 0x0a00
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case HAL_PIXEL_FORMAT_RGBA_1010102:
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return DRM_FORMAT_ABGR2101010;
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case HAL_PIXEL_FORMAT_RGBA_FP16:
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return DRM_FORMAT_ABGR16161616F;
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#endif
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}
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return DRM_FORMAT_NONE;
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}
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cros_gralloc_handle_t cros_gralloc_convert_handle(buffer_handle_t handle)
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{
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auto hnd = reinterpret_cast<cros_gralloc_handle_t>(handle);
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if (!hnd || hnd->magic != cros_gralloc_magic)
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return nullptr;
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return hnd;
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}
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int32_t cros_gralloc_sync_wait(int32_t fence, bool close_fence)
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{
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if (fence < 0)
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return 0;
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/*
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* Wait initially for 1000 ms, and then wait indefinitely. The SYNC_IOC_WAIT
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* documentation states the caller waits indefinitely on the fence if timeout < 0.
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*/
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int err = sync_wait(fence, 1000);
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if (err < 0) {
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drv_log("Timed out on sync wait, err = %s\n", strerror(errno));
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err = sync_wait(fence, -1);
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if (err < 0) {
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drv_log("sync wait error = %s\n", strerror(errno));
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return -errno;
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}
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}
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if (close_fence) {
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err = close(fence);
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if (err) {
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drv_log("Unable to close fence fd, err = %s\n", strerror(errno));
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return -errno;
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}
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}
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return 0;
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}
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std::string get_drm_format_string(uint32_t drm_format)
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{
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char *sequence = (char *)&drm_format;
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std::string s(sequence, 4);
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return "DRM_FOURCC_" + s;
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}
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