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/*
* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <compiler.h>
#include <drivers/frame_buffer.h>
size_t frame_buffer_get_image_size(struct frame_buffer *fb __unused,
size_t width, size_t height)
{
return width * height * sizeof(uint32_t);
}
void frame_buffer_clear(struct frame_buffer *fb, uint32_t color)
{
size_t n;
uint32_t *base = fb->base;
for (n = 0; n < fb->width * fb->height; n++)
base[n] = color;
}
void frame_buffer_set_image(struct frame_buffer *fb, size_t xpos, size_t ypos,
size_t width, size_t height, const void *image)
{
size_t x;
size_t y;
uint32_t *base = fb->base;
const uint32_t *img = image;
for (y = 0; y < height && (y + ypos) < fb->height; y++)
for (x = 0; x < width && (x + xpos) < fb->width; x++)
base[x + xpos + (y + ypos) * fb->width] =
img[x + y * width];
}
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