| /* |
| * Copyright 2016 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef CROS_GRALLOC_HELPERS_H |
| #define CROS_GRALLOC_HELPERS_H |
| |
| #include "../drv.h" |
| #include "cros_gralloc_handle.h" |
| |
| #include <hardware/gralloc.h> |
| #include <system/graphics.h> |
| |
| /* Use these error codes derived from gralloc1 to make transition easier when |
| * it happens |
| */ |
| typedef enum { |
| CROS_GRALLOC_ERROR_NONE = 0, |
| CROS_GRALLOC_ERROR_BAD_DESCRIPTOR = 1, |
| CROS_GRALLOC_ERROR_BAD_HANDLE = 2, |
| CROS_GRALLOC_ERROR_BAD_VALUE = 3, |
| CROS_GRALLOC_ERROR_NOT_SHARED = 4, |
| CROS_GRALLOC_ERROR_NO_RESOURCES = 5, |
| CROS_GRALLOC_ERROR_UNDEFINED = 6, |
| CROS_GRALLOC_ERROR_UNSUPPORTED = 7, |
| } cros_gralloc_error_t; |
| |
| /* This enumeration must match the one in <gralloc_drm.h>. |
| * The functions supported by this gralloc's temporary private API are listed |
| * below. Use of these functions is highly discouraged and should only be |
| * reserved for cases where no alternative to get same information (such as |
| * querying ANativeWindow) exists. |
| */ |
| enum { |
| GRALLOC_DRM_GET_STRIDE, |
| GRALLOC_DRM_GET_FORMAT, |
| GRALLOC_DRM_GET_DIMENSIONS, |
| GRALLOC_DRM_GET_BACKING_STORE, |
| }; |
| |
| constexpr uint32_t cros_gralloc_magic(void) |
| { |
| return 0xABCDDCBA; |
| } |
| |
| constexpr uint32_t num_ints_handle() |
| { |
| return ((sizeof(struct cros_gralloc_handle)) / sizeof(int)); |
| } |
| |
| constexpr uint32_t sw_access(void) |
| { |
| return GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK; |
| } |
| |
| constexpr uint32_t sw_read(void) |
| { |
| return GRALLOC_USAGE_SW_READ_MASK; |
| } |
| |
| constexpr uint32_t sw_write(void) |
| { |
| return GRALLOC_USAGE_SW_WRITE_MASK; |
| } |
| |
| uint64_t cros_gralloc_convert_flags(int flags); |
| |
| uint32_t cros_gralloc_convert_format(int format); |
| |
| int32_t cros_gralloc_rendernode_open(struct driver **drv); |
| |
| int32_t cros_gralloc_validate_handle(struct cros_gralloc_handle *hnd); |
| |
| /* Logging code adapted from bsdrm */ |
| __attribute__((format(printf, 4, 5))) |
| void cros_gralloc_log(const char *prefix, const char *file, int line, |
| const char *format, ...); |
| |
| #define cros_gralloc_error(...) \ |
| do { \ |
| cros_gralloc_log("CROS_GRALLOC_ERROR", __FILE__, \ |
| __LINE__, __VA_ARGS__); \ |
| } while (0) |
| |
| #endif |