2 * Copyright 2016 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
7 #include "cros_gralloc_helpers.h"
10 #include <cutils/log.h>
14 uint64_t cros_gralloc_convert_flags(int flags)
16 uint64_t usage = BO_USE_NONE;
18 if (flags & GRALLOC_USAGE_CURSOR)
20 if ((flags & sw_read()) == GRALLOC_USAGE_SW_READ_RARELY)
21 usage |= BO_USE_SW_READ_RARELY;
22 if ((flags & sw_read()) == GRALLOC_USAGE_SW_READ_OFTEN)
23 usage |= BO_USE_SW_READ_OFTEN;
24 if ((flags & sw_write()) == GRALLOC_USAGE_SW_WRITE_RARELY)
25 usage |= BO_USE_SW_WRITE_RARELY;
26 if ((flags & sw_write()) == GRALLOC_USAGE_SW_WRITE_OFTEN)
27 usage |= BO_USE_SW_WRITE_OFTEN;
28 if (flags & GRALLOC_USAGE_HW_TEXTURE)
29 usage |= BO_USE_TEXTURE;
30 if (flags & GRALLOC_USAGE_HW_RENDER)
31 usage |= BO_USE_RENDERING;
32 if (flags & GRALLOC_USAGE_HW_2D)
33 usage |= BO_USE_RENDERING;
34 if (flags & GRALLOC_USAGE_HW_COMPOSER)
35 /* HWC wants to use display hardware, but can defer to OpenGL. */
36 usage |= BO_USE_SCANOUT | BO_USE_RENDERING;
37 if (flags & GRALLOC_USAGE_HW_FB)
38 usage |= BO_USE_SCANOUT | BO_USE_RENDERING;
39 if (flags & GRALLOC_USAGE_EXTERNAL_DISP)
40 /* We're ignoring this flag until we decide what to with display link */
42 if (flags & GRALLOC_USAGE_PROTECTED)
43 usage |= BO_USE_PROTECTED;
44 if (flags & GRALLOC_USAGE_HW_VIDEO_ENCODER)
45 /*HACK: See b/30054495 */
46 usage |= BO_USE_SW_READ_OFTEN;
47 if (flags & GRALLOC_USAGE_HW_CAMERA_WRITE)
48 usage |= BO_USE_HW_CAMERA_WRITE;
49 if (flags & GRALLOC_USAGE_HW_CAMERA_READ)
50 usage |= BO_USE_HW_CAMERA_READ;
51 if (flags & GRALLOC_USAGE_HW_CAMERA_ZSL)
52 usage |= BO_USE_HW_CAMERA_ZSL;
53 if (flags & GRALLOC_USAGE_RENDERSCRIPT)
54 usage |= BO_USE_RENDERSCRIPT;
59 uint32_t cros_gralloc_convert_format(int format)
62 * Conversion from HAL to fourcc-based DRV formats based on
63 * platform_android.c in mesa.
67 case HAL_PIXEL_FORMAT_BGRA_8888:
68 return DRM_FORMAT_ARGB8888;
69 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
70 return DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED;
71 case HAL_PIXEL_FORMAT_RGB_565:
72 return DRM_FORMAT_RGB565;
73 case HAL_PIXEL_FORMAT_RGB_888:
74 return DRM_FORMAT_RGB888;
75 case HAL_PIXEL_FORMAT_RGBA_8888:
76 return DRM_FORMAT_ABGR8888;
77 case HAL_PIXEL_FORMAT_RGBX_8888:
78 return DRM_FORMAT_XBGR8888;
79 case HAL_PIXEL_FORMAT_YCbCr_420_888:
80 return DRM_FORMAT_FLEX_YCbCr_420_888;
81 case HAL_PIXEL_FORMAT_YV12:
82 return DRM_FORMAT_YVU420;
85 return DRM_FORMAT_NONE;
88 static int32_t cros_gralloc_query_rendernode(struct driver **drv,
89 const char *undesired)
92 * Create a driver from rendernode while filtering out
93 * the specified undesired driver.
95 * TODO(gsingh): Enable render nodes on udl/evdi.
99 drmVersionPtr version;
100 char const *str = "%s/renderD%d";
101 int32_t num_nodes = 63;
102 int32_t min_node = 128;
103 int32_t max_node = (min_node + num_nodes);
105 for (int i = min_node; i < max_node; i++) {
108 if (asprintf(&node, str, DRM_DIR_NAME, i) < 0)
111 fd = open(node, O_RDWR, 0);
117 version = drmGetVersion(fd);
121 if (undesired && !strcmp(version->name, undesired)) {
122 drmFreeVersion(version);
126 drmFreeVersion(version);
127 *drv = drv_create(fd);
130 return CROS_GRALLOC_ERROR_NONE;
133 return CROS_GRALLOC_ERROR_NO_RESOURCES;
136 int32_t cros_gralloc_rendernode_open(struct driver **drv)
139 ret = cros_gralloc_query_rendernode(drv, "vgem");
141 /* Allow vgem driver if no hardware is found. */
143 ret = cros_gralloc_query_rendernode(drv, NULL);
148 int32_t cros_gralloc_validate_handle(struct cros_gralloc_handle *hnd)
150 if (!hnd || hnd->magic != cros_gralloc_magic())
151 return CROS_GRALLOC_ERROR_BAD_HANDLE;
153 return CROS_GRALLOC_ERROR_NONE;
156 void cros_gralloc_log(const char *prefix, const char *file, int line,
157 const char *format, ...)
160 snprintf(buf, sizeof(buf), "[%s:%s(%d)]", prefix, basename(file), line);
163 va_start(args, format);
164 __android_log_vprint(ANDROID_LOG_ERROR, buf, format, args);