| /* |
| * Copyright (C) Texas Instruments Incorporated - http://www.ti.com/ |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <cstdint> |
| |
| #include <log/log.h> |
| |
| #include <linux/types.h> |
| |
| #include "format.h" |
| #include "img_gralloc1_public.h" |
| |
| bool is_valid_format(uint32_t format) |
| { |
| switch (format) { |
| case HAL_PIXEL_FORMAT_RGBA_8888: |
| case HAL_PIXEL_FORMAT_BGRA_8888: |
| return true; |
| |
| case HAL_PIXEL_FORMAT_RGB_565: |
| return true; |
| |
| case HAL_PIXEL_FORMAT_NV12: |
| return true; |
| |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_BGRX_8888: |
| return true; |
| |
| case HAL_PIXEL_FORMAT_TI_NV12: |
| case HAL_PIXEL_FORMAT_TI_NV12_1D: |
| /* legacy formats not supported anymore */ |
| return false; |
| |
| default: |
| return false; |
| } |
| } |
| |
| bool is_rgb_format(uint32_t format) |
| { |
| switch (format) { |
| case HAL_PIXEL_FORMAT_BGRA_8888: |
| case HAL_PIXEL_FORMAT_BGRX_8888: |
| case HAL_PIXEL_FORMAT_RGB_565: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool is_bgr_format(uint32_t format) |
| { |
| switch (format) { |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_RGBA_8888: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool is_nv12_format(uint32_t format) |
| { |
| switch (format) { |
| case HAL_PIXEL_FORMAT_TI_NV12: |
| case HAL_PIXEL_FORMAT_TI_NV12_1D: |
| case HAL_PIXEL_FORMAT_NV12: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool is_opaque_format(uint32_t format) |
| { |
| switch (format) { |
| case HAL_PIXEL_FORMAT_RGB_565: |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_BGRX_8888: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| uint32_t get_format_bpp(uint32_t format) |
| { |
| switch (format) { |
| case HAL_PIXEL_FORMAT_BGRA_8888: |
| case HAL_PIXEL_FORMAT_BGRX_8888: |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_RGBA_8888: |
| return 32; |
| case HAL_PIXEL_FORMAT_RGB_565: |
| return 16; |
| case HAL_PIXEL_FORMAT_TI_NV12: |
| case HAL_PIXEL_FORMAT_TI_NV12_1D: |
| case HAL_PIXEL_FORMAT_NV12: |
| return 8; |
| default: |
| return 0; |
| } |
| } |
| |
| uint32_t convert_hal_to_drm_format(uint32_t hal_format, bool blended) |
| { |
| uint32_t dss_format = HAL_PIXEL_FORMAT_RGBA_8888; |
| |
| /* convert color format */ |
| switch (hal_format) { |
| case HAL_PIXEL_FORMAT_RGBA_8888: |
| case HAL_PIXEL_FORMAT_BGRA_8888: |
| dss_format = DRM_FORMAT_ARGB8888; |
| if (blended) |
| break; |
| |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_BGRX_8888: |
| dss_format = DRM_FORMAT_XRGB8888; |
| break; |
| |
| case HAL_PIXEL_FORMAT_RGB_565: |
| dss_format = DRM_FORMAT_RGB565; |
| break; |
| |
| case HAL_PIXEL_FORMAT_TI_NV12: |
| case HAL_PIXEL_FORMAT_TI_NV12_1D: |
| case HAL_PIXEL_FORMAT_NV12: |
| dss_format = DRM_FORMAT_NV12; |
| break; |
| |
| default: |
| /* Should have been filtered out */ |
| ALOGV("Unsupported pixel format"); |
| } |
| |
| return dss_format; |
| } |