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/*
* Copyright (C) 2009 Chia-I Wu <olvaffe@gmail.com>
*
* 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 (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 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.
*/
#include <ui/PixelFormat.h>
#include <ui/ISurfaceComposer.h>
#include "droid_ui.h"
using namespace android;
namespace android {
const sp<ISurfaceComposer>& _get_surface_manager();
};
int
ui_auth_gpu(drm_magic_t magic)
{
/*
* surface flinger itself or root; we might want something like
* getSurfaceFlinger() from libEGL
*/
if (getuid() == 1000 || getuid() == 0)
return 0;
sp<ISurfaceComposer> sm(_get_surface_manager());
if (sm == NULL)
return -ENODEV;
return sm->authGPU(magic);
}
int ui_bytes_per_pixel(int format)
{
return bytesPerPixel(format);
}
int ui_get_rgb_format(int red, int green, int blue, int alpha)
{
PixelFormatInfo info;
PixelFormat fmt;
/* look in the RGB range */
for (fmt = 1; fmt < PIXEL_FORMAT_YCbCr_422_SP; fmt++) {
status_t err = getPixelFormatInfo(fmt, &info);
if (err)
return -1;
/* bpp must be equal to depth */
if (info.bytesPerPixel * 8 != info.bitsPerPixel)
continue;
if ((info.h_red - info.l_red != red) ||
(info.h_green - info.l_green != green) ||
(info.h_blue - info.l_blue != blue) ||
(info.h_alpha - info.l_alpha != alpha))
continue;
/* mask? */
return fmt;
}
return -1;
}
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