mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-29 04:50:42 +00:00
6bffdf80a1
Game compiles and runs but transparency doesn't work yet. # Conflicts: # source/CMakeLists.txt # source/core/menu/menu.cpp # source/core/textures/buildtiles.cpp
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2010 Cameron Zemek ( grom@zeminvaders.net)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "hqx.h"
|
|
|
|
uint32_t *RGBtoYUV;
|
|
uint32_t YUV1, YUV2;
|
|
|
|
HQX_API void HQX_CALLCONV hqxInit(void)
|
|
{
|
|
/* Initalize RGB to YUV lookup table */
|
|
uint32_t c, r, g, b, y, u, v;
|
|
RGBtoYUV = new uint32_t[16777216];
|
|
for (c = 0; c < 16777215; c++) {
|
|
r = (c & 0xFF0000) >> 16;
|
|
g = (c & 0x00FF00) >> 8;
|
|
b = c & 0x0000FF;
|
|
y = (uint32_t)(0.299*r + 0.587*g + 0.114*b);
|
|
u = (uint32_t)(-0.169*r - 0.331*g + 0.5*b) + 128;
|
|
v = (uint32_t)(0.5*r - 0.419*g - 0.081*b) + 128;
|
|
RGBtoYUV[c] = (y << 16) + (u << 8) + v;
|
|
}
|
|
}
|