| /* |
| * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com> |
| * Copyright (C) 2010-2011 LunarG Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef _GRALLOC_DRM_H_ |
| #define _GRALLOC_DRM_H_ |
| |
| #include <hardware/gralloc.h> |
| |
| struct gralloc_drm_t; |
| struct gralloc_drm_bo_t; |
| |
| struct gralloc_drm_t *gralloc_drm_create(void); |
| void gralloc_drm_destroy(struct gralloc_drm_t *drm); |
| |
| int gralloc_drm_get_fd(struct gralloc_drm_t *drm); |
| int gralloc_drm_get_magic(struct gralloc_drm_t *drm, int32_t *magic); |
| int gralloc_drm_auth_magic(struct gralloc_drm_t *drm, int32_t magic); |
| int gralloc_drm_set_master(struct gralloc_drm_t *drm); |
| void gralloc_drm_drop_master(struct gralloc_drm_t *drm); |
| |
| int gralloc_drm_init_kms(struct gralloc_drm_t *drm); |
| void gralloc_drm_fini_kms(struct gralloc_drm_t *drm); |
| int gralloc_drm_is_kms_initialized(struct gralloc_drm_t *drm); |
| |
| void gralloc_drm_get_kms_info(struct gralloc_drm_t *drm, struct framebuffer_device_t *fb); |
| int gralloc_drm_is_kms_pipelined(struct gralloc_drm_t *drm); |
| |
| static inline int gralloc_drm_get_bpp(int format) |
| { |
| int bpp; |
| |
| switch (format) { |
| case HAL_PIXEL_FORMAT_RGBA_8888: |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_BGRA_8888: |
| bpp = 4; |
| break; |
| case HAL_PIXEL_FORMAT_RGB_888: |
| bpp = 3; |
| break; |
| case HAL_PIXEL_FORMAT_RGB_565: |
| case HAL_PIXEL_FORMAT_RGBA_5551: |
| case HAL_PIXEL_FORMAT_RGBA_4444: |
| bpp = 2; |
| break; |
| default: |
| bpp = 0; |
| break; |
| } |
| |
| return bpp; |
| } |
| |
| int gralloc_drm_handle_register(buffer_handle_t handle, struct gralloc_drm_t *drm); |
| int gralloc_drm_handle_unregister(buffer_handle_t handle); |
| |
| struct gralloc_drm_bo_t *gralloc_drm_bo_create(struct gralloc_drm_t *drm, int width, int height, int format, int usage); |
| void gralloc_drm_bo_destroy(struct gralloc_drm_bo_t *bo); |
| |
| struct gralloc_drm_bo_t *gralloc_drm_bo_from_handle(buffer_handle_t handle); |
| buffer_handle_t gralloc_drm_bo_get_handle(struct gralloc_drm_bo_t *bo, int *stride); |
| |
| int gralloc_drm_bo_lock(struct gralloc_drm_bo_t *bo, int x, int y, int w, int h, int enable_write, void **addr); |
| void gralloc_drm_bo_unlock(struct gralloc_drm_bo_t *bo); |
| |
| int gralloc_drm_bo_need_fb(const struct gralloc_drm_bo_t *bo); |
| int gralloc_drm_bo_add_fb(struct gralloc_drm_bo_t *bo); |
| void gralloc_drm_bo_rm_fb(struct gralloc_drm_bo_t *bo); |
| int gralloc_drm_bo_post(struct gralloc_drm_bo_t *bo); |
| |
| #endif /* _GRALLOC_DRM_H_ */ |