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/****************************************************************************
*
* The MIT License (MIT)
*
* Copyright 2012 - 2020 Vivante Corporation, Santa Clara, California.
* All Rights Reserved.
*
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL VIVANTE AND/OR ITS SUPPLIERS 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.
*
*****************************************************************************/
#include <string.h>
#include "vg_lite.h"
static void _memcpy(void *dst, void *src, int size) {
int i;
for (i = 0; i < size; i++) {
((unsigned char*)dst)[i] = ((unsigned char*)src)[i];
}
}
/* Get the plane memory pointer and strides info. */
static uint32_t get_buffer_planes(vg_lite_buffer_t *buffer,
uint8_t **memory,
uint32_t *strides)
{
uint32_t count = 1;
switch (buffer->format) {
case VG_LITE_RGBA8888:
case VG_LITE_BGRA8888:
case VG_LITE_RGBX8888:
case VG_LITE_BGRX8888:
case VG_LITE_RGB565:
case VG_LITE_BGR565:
case VG_LITE_RGBA4444:
case VG_LITE_BGRA4444:
case VG_LITE_BGRA5551:
case VG_LITE_A8:
case VG_LITE_L8:
case VG_LITE_A4:
case VG_LITE_INDEX_1:
case VG_LITE_INDEX_2:
case VG_LITE_INDEX_4:
case VG_LITE_INDEX_8:
case VG_LITE_YUYV:
case VG_LITE_YUY2:
case VG_LITE_RGBA2222:
count = 1;
memory[0] = (uint8_t *)buffer->memory;
memory[1] = memory[2] = ((uint8_t*)0);
strides[0] = buffer->stride;
strides[1] = strides[2] = 0;
break;
case VG_LITE_NV12:
case VG_LITE_NV16:
count = 2;
memory[0] = (uint8_t *)buffer->memory;
memory[1] = (uint8_t *)buffer->yuv.uv_memory;
memory[2] = 0;
strides[0] = buffer->stride;
strides[1] = buffer->yuv.uv_stride;
strides[2] = 0;
break;
case VG_LITE_AYUY2:
count = 2;
memory[0] = (uint8_t *)buffer->memory;
memory[1] = 0;
memory[2] = (uint8_t *)buffer->yuv.v_memory;
strides[0] = buffer->stride;
strides[1] = 0;
strides[2] = buffer->yuv.alpha_stride;
break;
case VG_LITE_ANV12:
count = 3;
memory[0] = (uint8_t *)buffer->memory;
memory[1] = (uint8_t *)buffer->yuv.uv_memory;
memory[2] = (uint8_t *)buffer->yuv.v_memory;
strides[0] = buffer->stride;
strides[1] = buffer->yuv.uv_stride;
strides[2] = buffer->yuv.alpha_stride;
break;
case VG_LITE_YV12:
case VG_LITE_YV24:
case VG_LITE_YV16:
count = 3;
memory[0] = (uint8_t *)buffer->memory;
memory[1] = (uint8_t *)buffer->yuv.uv_memory;
memory[2] = (uint8_t *)buffer->yuv.v_memory;
strides[0] = buffer->stride;
strides[1] = buffer->yuv.uv_stride;
strides[2] = buffer->yuv.v_stride;
break;
case VG_LITE_YUY2_TILED:
case VG_LITE_NV12_TILED:
case VG_LITE_ANV12_TILED:
case VG_LITE_AYUY2_TILED:
default:
count = 0;
break;
}
return count;
}
vg_lite_error_t vg_lite_buffer_upload(vg_lite_buffer_t *buffer,
uint8_t *data[3],
uint32_t stride[3])
{
vg_lite_error_t error = VG_LITE_SUCCESS;
int32_t plane_count;
uint8_t *buffer_memory[3] = {((uint8_t*)0)};
uint32_t buffer_strides[3] = {0};
uint8_t *pdata;
int32_t i, j;
/* Get buffer memory info. */
plane_count = get_buffer_planes(buffer, buffer_memory, buffer_strides);
if (plane_count > 0 && plane_count <= 3) {
/* Copy the data to buffer. */
for (i = 0; i < plane_count; i++) {
pdata = data[i];
for (j = 0; j < buffer->height; j++) {
_memcpy(buffer_memory[i], pdata, buffer_strides[i]);
buffer_memory[i] += buffer_strides[i];
pdata += stride[i];
}
}
}
else {
error = VG_LITE_INVALID_ARGUMENT;
}
return error;
}
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