| /* |
| * Copyright (c) 2014 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. |
| */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <xf86drm.h> |
| |
| #include "gbm_priv.h" |
| |
| int gbm_bpp_from_format(uint32_t format) |
| { |
| if (format == GBM_BO_FORMAT_XRGB8888) |
| format = GBM_FORMAT_XRGB8888; |
| if (format == GBM_BO_FORMAT_ARGB8888) |
| format = GBM_FORMAT_ARGB8888; |
| |
| switch(format) |
| { |
| case GBM_FORMAT_C8: |
| case GBM_FORMAT_RGB332: |
| case GBM_FORMAT_BGR233: |
| return 8; |
| |
| case GBM_FORMAT_XRGB4444: |
| case GBM_FORMAT_XBGR4444: |
| case GBM_FORMAT_RGBX4444: |
| case GBM_FORMAT_BGRX4444: |
| case GBM_FORMAT_ARGB4444: |
| case GBM_FORMAT_ABGR4444: |
| case GBM_FORMAT_RGBA4444: |
| case GBM_FORMAT_BGRA4444: |
| case GBM_FORMAT_XRGB1555: |
| case GBM_FORMAT_XBGR1555: |
| case GBM_FORMAT_RGBX5551: |
| case GBM_FORMAT_BGRX5551: |
| case GBM_FORMAT_ARGB1555: |
| case GBM_FORMAT_ABGR1555: |
| case GBM_FORMAT_RGBA5551: |
| case GBM_FORMAT_BGRA5551: |
| case GBM_FORMAT_RGB565: |
| case GBM_FORMAT_BGR565: |
| return 16; |
| |
| case GBM_FORMAT_RGB888: |
| case GBM_FORMAT_BGR888: |
| return 24; |
| |
| case GBM_FORMAT_XRGB8888: |
| case GBM_FORMAT_XBGR8888: |
| case GBM_FORMAT_RGBX8888: |
| case GBM_FORMAT_BGRX8888: |
| case GBM_FORMAT_ARGB8888: |
| case GBM_FORMAT_ABGR8888: |
| case GBM_FORMAT_RGBA8888: |
| case GBM_FORMAT_BGRA8888: |
| case GBM_FORMAT_XRGB2101010: |
| case GBM_FORMAT_XBGR2101010: |
| case GBM_FORMAT_RGBX1010102: |
| case GBM_FORMAT_BGRX1010102: |
| case GBM_FORMAT_ARGB2101010: |
| case GBM_FORMAT_ABGR2101010: |
| case GBM_FORMAT_RGBA1010102: |
| case GBM_FORMAT_BGRA1010102: |
| case GBM_FORMAT_YUYV: |
| case GBM_FORMAT_YVYU: |
| case GBM_FORMAT_UYVY: |
| case GBM_FORMAT_VYUY: |
| case GBM_FORMAT_AYUV: |
| return 32; |
| } |
| |
| printf("UNKNOWN FORMAT %d\n", format); |
| return 0; |
| } |
| |
| int gbm_bytes_from_format(uint32_t format) |
| { |
| return gbm_bpp_from_format(format) / 8; |
| } |
| |
| int gbm_is_format_supported(struct gbm_bo *bo) |
| { |
| return 1; |
| } |
| |
| int gbm_dumb_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags) |
| { |
| struct drm_mode_create_dumb create_dumb; |
| int ret; |
| |
| memset(&create_dumb, 0, sizeof(create_dumb)); |
| create_dumb.height = height; |
| create_dumb.width = width; |
| create_dumb.bpp = gbm_bpp_from_format(format); |
| create_dumb.flags = 0; |
| |
| ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb); |
| if (ret) |
| return ret; |
| |
| bo->handle.u32 = create_dumb.handle; |
| bo->size = create_dumb.size; |
| |
| return 0; |
| } |
| |
| int gbm_dumb_bo_destroy(struct gbm_bo *bo) |
| { |
| struct drm_mode_destroy_dumb destroy_dumb; |
| int ret; |
| |
| memset(&destroy_dumb, 0, sizeof(destroy_dumb)); |
| destroy_dumb.handle = bo->handle.u32; |
| |
| ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_dumb); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| int gbm_gem_bo_destroy(struct gbm_bo *bo) |
| { |
| struct drm_gem_close gem_close; |
| int ret; |
| |
| memset(&gem_close, 0, sizeof(gem_close)); |
| gem_close.handle = bo->handle.u32; |
| |
| ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_GEM_CLOSE, &gem_close); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |