mirror of
https://github.com/wiidev/usbloadergx.git
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612 lines
12 KiB
C
612 lines
12 KiB
C
/***************************************************************************
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* Copyright (C) 2010
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* Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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* TextureConverter.cpp
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*
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* for WiiXplorer 2010
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***************************************************************************/
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#include <gccore.h>
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#include <malloc.h>
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#include "TextureConverter.h"
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#define MAXWIDTH 1024.0f
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#define MAXHEIGHT 768.0f
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static u16 avg(u16 w0, u16 w1, u16 c0, u16 c1)
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{
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u16 a0, a1;
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u16 a, c;
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a0 = c0 >> 11;
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a1 = c1 >> 11;
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a = (w0*a0 + w1*a1) / (w0 + w1);
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c = a << 11;
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a0 = (c0 >> 5) & 63;
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a1 = (c1 >> 5) & 63;
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a = (w0*a0 + w1*a1) / (w0 + w1);
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c |= a << 5;
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a0 = c0 & 31;
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a1 = c1 & 31;
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a = (w0*a0 + w1*a1) / (w0 + w1);
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c |= a;
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return c;
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}
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bool I4ToGD(const u8 * buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u32 x1, y1;
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u32 iv;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(iv = 0, y1 = 0; y1 < height; y1 += 8)
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{
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for(x1 = 0; x1 < width; x1 += 8)
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{
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for(y = y1; y < (y1 + 8); y++)
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{
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for(x = x1; x < (x1 + 8); x += 2, iv++)
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{
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if((x >= width) || (y >= height))
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continue;
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u8 oldpixel = buffer[iv];
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u8 b = (oldpixel >> 4) * 255 / 15;
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u8 g = (oldpixel >> 4) * 255 / 15;
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u8 r = (oldpixel >> 4) * 255 / 15;
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u8 a = gdAlphaOpaque;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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r = (oldpixel & 0xF) * 255 / 15;
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g = (oldpixel & 0xF) * 255 / 15;
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b = (oldpixel & 0xF) * 255 / 15;
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a = gdAlphaOpaque;
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gdImageSetPixel(*im, x+1, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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}
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}
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return true;
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}
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bool IA4ToGD(const u8 * buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u32 x1, y1;
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u32 iv;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(iv = 0, y1 = 0; y1 < height; y1 += 4)
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{
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for(x1 = 0; x1 < width; x1 += 8)
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{
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for(y = y1; y < (y1 + 4); y++)
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{
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for(x = x1; x < (x1 + 8); x++)
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{
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u8 oldpixel = *(u8*)(buffer + (iv++));
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oldpixel = ~oldpixel;
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if((x >= width) || (y >= height))
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continue;
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u8 r = ((oldpixel & 0xF) * 255) / 15;
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u8 g = ((oldpixel & 0xF) * 255) / 15;
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u8 b = ((oldpixel & 0xF) * 255) / 15;
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u8 a = ((oldpixel >> 4) * 255) / 15;
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a = 127-127*a/255;
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gdImageSetPixel(*im, x+1, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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}
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}
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return true;
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}
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bool I8ToGD(const u8 * buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u32 x1, y1;
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u32 iv;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(iv = 0, y1 = 0; y1 < height; y1 += 4)
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{
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for(x1 = 0; x1 < width; x1 += 8)
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{
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for(y = y1; y < (y1 + 4); y++)
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{
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for(x = x1; x < (x1 + 8); x++)
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{
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u8 pixel = *(u8*)(buffer + ((iv++) * 1));
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if((x >= width) || (y >= height))
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continue;
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u8 r = pixel;
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u8 g = pixel;
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u8 b = pixel;
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u8 a = gdAlphaOpaque;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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}
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}
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return true;
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}
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bool IA8ToGD(const u8 * buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u32 x1, y1;
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u32 iv;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(iv = 0, y1 = 0; y1 < height; y1 += 4)
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{
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for(x1 = 0; x1 < width; x1 += 4)
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{
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for(y = y1; y < (y1 + 4); y++)
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{
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for(x = x1; x < (x1 + 4); x++)
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{
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u16 oldpixel = *(u16*)(buffer + ((iv++) * 2));
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if((x >= width) || (y >= height))
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continue;
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u8 r = oldpixel >> 8;
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u8 g = oldpixel >> 8;
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u8 b = oldpixel >> 8;
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u8 a = oldpixel & 0xFF;
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a = 127-127*a/255;
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gdImageSetPixel(*im, x+1, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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}
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}
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return true;
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}
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bool CMPToGD(const u8* buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u8 r, g, b, a;
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u16 raw;
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u16 c[4];
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int x0, x1, x2, y0, y1, y2, off;
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int ww = (-(-(width) & -(8)));
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int ix;
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u32 px;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for (y = 0; y < height; y++)
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{
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for (x = 0; x < width; x++)
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{
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x0 = x & 3;
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x1 = (x >> 2) & 1;
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x2 = x >> 3;
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y0 = y & 3;
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y1 = (y >> 2) & 1;
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y2 = y >> 3;
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off = (8 * x1) + (16 * y1) + (32 * x2) + (4 * ww * y2);
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c[0] = *(u16*)(buffer + off);
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c[1] = *(u16*)(buffer + off + 2);
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if (c[0] > c[1]) {
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c[2] = avg(2, 1, c[0], c[1]);
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c[3] = avg(1, 2, c[0], c[1]);
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} else {
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c[2] = avg(1, 1, c[0], c[1]);
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c[3] = 0;
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}
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px = *(u32*)(buffer + off + 4);
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ix = x0 + (4 * y0);
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raw = c[(px >> (30 - (2 * ix))) & 3];
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r = (raw >> 8) & 0xf8;
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g = (raw >> 3) & 0xf8;
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b = (raw << 3) & 0xf8;
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a = gdAlphaOpaque;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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return true;
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}
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bool RGB565ToGD(const u8* buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u32 x1, y1;
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u32 iv;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(iv = 0, y1 = 0; y1 < height; y1 += 4)
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{
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for(x1 = 0; x1 < width; x1 += 4)
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{
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for(y = y1; y < (y1 + 4); y++)
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{
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for(x = x1; x < (x1 + 4); x++)
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{
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if((x >= width) || (y >= height))
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continue;
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u16 pixel = *(u16*)(buffer + ((iv++) * 2));
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u8 r = ((pixel >> 11) & 0x1F) << 3;
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u8 g = ((pixel >> 5) & 0x3F) << 2;
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u8 b = ((pixel >> 0) & 0x1F) << 3;
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u8 a = gdAlphaOpaque;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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}
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}
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return true;
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}
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bool RGB565A3ToGD(const u8* buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y;
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u32 x1, y1;
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u32 iv;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(iv = 0, y1 = 0; y1 < height; y1 += 4)
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{
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for(x1 = 0; x1 < width; x1 += 4)
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{
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for(y = y1; y < (y1 + 4); y++)
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{
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for(x = x1; x < (x1 + 4); x++)
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{
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u16 pixel = *(u16*)(buffer + ((iv++) * 2));
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if((x >= width) || (y >= height))
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continue;
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if(pixel & (1 << 15))
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{
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// RGB5
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u8 r = (((pixel >> 10) & 0x1F) * 255) / 31;
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u8 g = (((pixel >> 5) & 0x1F) * 255) / 31;
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u8 b = (((pixel >> 0) & 0x1F) * 255) / 31;
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u8 a = gdAlphaOpaque;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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}
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else
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{
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// RGB4A3
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u8 r = (((pixel >> 12) & 0xF) * 255) / 15;
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u8 g = (((pixel >> 8) & 0xF) * 255) / 15;
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u8 b = (((pixel >> 4) & 0xF) * 255) / 15;
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u8 a = (((pixel >> 0) & 0x7) * 64) / 7;
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a = 127-127*a/255;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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}
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}
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}
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return true;
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}
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bool RGBA8ToGD(const u8* buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y, offset;
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u8 r, g, b, a;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(y = 0; y < height; y++)
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{
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for(x = 0; x < width; x++)
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{
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offset = coordsRGBA8(x, y, width);
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a = *(buffer+offset);
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r = *(buffer+offset+1);
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g = *(buffer+offset+32);
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b = *(buffer+offset+33);
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a = 127-127*a/255;
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gdImageSetPixel(*im, x, y, gdTrueColorAlpha(r, g, b, a));
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}
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}
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return true;
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}
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bool YCbYCrToGD(const u8* buffer, u32 width, u32 height, gdImagePtr * im)
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{
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u32 x, y, x1, YCbYCr;
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int r, g, b;
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u8 r1, g1, b1;
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if(!buffer)
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return false;
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*im = gdImageCreateTrueColor(width, height);
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if(*im == 0)
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return false;
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gdImageAlphaBlending(*im, 0);
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gdImageSaveAlpha(*im, 1);
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for(y = 0; y < height; y++)
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{
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for (x = 0, x1 = 0; x < (width / 2); x++, x1++)
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{
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YCbYCr = ((u32 *) buffer)[y*width/2+x];
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u8 * val = (u8 *) &YCbYCr;
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r = (int) (1.371f * (val[3] - 128));
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g = (int) (- 0.698f * (val[3] - 128) - 0.336f * (val[1] - 128));
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b = (int) (1.732f * (val[1] - 128));
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r1 = LIMIT(val[0] + r, 0, 255);
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g1 = LIMIT(val[0] + g, 0, 255);
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b1 = LIMIT(val[0] + b, 0, 255);
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gdImageSetPixel(*im, x1, y, gdTrueColorAlpha(r1, g1, b1, gdAlphaOpaque));
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x1++;
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r1 = LIMIT(val[2] + r, 0, 255);
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g1 = LIMIT(val[2] + g, 0, 255);
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b1 = LIMIT(val[2] + b, 0, 255);
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gdImageSetPixel(*im, x1, y, gdTrueColorAlpha(r1, g1, b1, gdAlphaOpaque));
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}
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}
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return true;
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}
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u8 * GDImageToRGBA8(gdImagePtr * gdImg, int * w, int * h)
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{
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int width = gdImageSX(*gdImg);
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int height = gdImageSY(*gdImg);
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float scale = 1.0f;
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int retries = 100; //shouldn't need that long but to be sure
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gdImageAlphaBlending(*gdImg, 0);
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gdImageSaveAlpha(*gdImg, 1);
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while(width*scale > MAXWIDTH || height*scale > MAXHEIGHT)
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{
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if(width*scale > MAXWIDTH)
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scale = MAXWIDTH/width;
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if(height*scale > MAXHEIGHT)
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scale = MAXHEIGHT/height;
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retries--;
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if(!retries)
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{
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while(width*scale > MAXWIDTH || height*scale > MAXHEIGHT)
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scale -= 0.02;
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break;
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}
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}
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width = ALIGN((int) (width * scale));
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height = ALIGN((int) (height * scale));
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if(width != gdImageSX(*gdImg) || height != gdImageSY(*gdImg))
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{
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gdImagePtr dst = gdImageCreateTrueColor(width, height);
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gdImageAlphaBlending(dst, 0);
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gdImageSaveAlpha(dst, 1);
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gdImageCopyResized(dst, *gdImg, 0, 0, 0, 0, width, height, gdImageSX(*gdImg), gdImageSY(*gdImg));
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gdImageDestroy(*gdImg);
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*gdImg = dst;
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width = gdImageSX(*gdImg);
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height = gdImageSY(*gdImg);
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}
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int len = datasizeRGBA8(width, height);
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u8 * data = (u8 *) memalign(32, len);
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if(!data)
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return NULL;
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u8 a;
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int x, y;
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int pixel, offset;
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for(y = 0; y < height; ++y)
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{
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for(x = 0; x < width; ++x)
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{
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pixel = gdImageGetPixel(*gdImg, x, y);
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a = 254 - 2*((u8)gdImageAlpha(*gdImg, pixel));
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if(a == 254) a++;
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offset = coordsRGBA8(x, y, width);
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data[offset] = a;
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data[offset+1] = (u8)gdImageRed(*gdImg, pixel);
|
|
data[offset+32] = (u8)gdImageGreen(*gdImg, pixel);
|
|
data[offset+33] = (u8)gdImageBlue(*gdImg, pixel);
|
|
}
|
|
}
|
|
|
|
DCFlushRange(data, len);
|
|
|
|
if(w)
|
|
*w = width;
|
|
if(h)
|
|
*h = height;
|
|
|
|
return data;
|
|
}
|
|
|
|
u8 * FlipRGBAImage(const u8 *src, u32 width, u32 height)
|
|
{
|
|
u32 x, y;
|
|
|
|
int len = datasizeRGBA8(width, height);
|
|
|
|
u8 * data = memalign(32, len);
|
|
if(!data)
|
|
return NULL;
|
|
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
u32 offset = coordsRGBA8(x, y, width);
|
|
u8 a = src[offset];
|
|
u8 r = src[offset+1];
|
|
u8 g = src[offset+32];
|
|
u8 b = src[offset+33];
|
|
|
|
u32 offset2 = coordsRGBA8((width-x-1), (height-y-1), width);
|
|
data[offset2] = a;
|
|
data[offset2+1] = r;
|
|
data[offset2+32] = g;
|
|
data[offset2+33] = b;
|
|
}
|
|
}
|
|
|
|
DCFlushRange(data, len);
|
|
|
|
return data;
|
|
}
|
|
|
|
u8 * RGB8ToRGBA8(const u8 *src, u32 width, u32 height)
|
|
{
|
|
u32 x, y, offset;
|
|
|
|
int len = datasizeRGBA8(width, height);
|
|
|
|
u8 * dst = (u8 *) memalign(32, len);
|
|
if(!dst)
|
|
return NULL;
|
|
|
|
for (y = 0; y < height; ++y)
|
|
{
|
|
for (x = 0; x < width; ++x)
|
|
{
|
|
offset = coordsRGBA8(x, y, width);
|
|
dst[offset] = 0xFF;
|
|
dst[offset+1] = src[(y*width+x)*3];
|
|
dst[offset+32] = src[(y*width+x)*3+1];
|
|
dst[offset+33] = src[(y*width+x)*3+2];
|
|
}
|
|
}
|
|
|
|
DCFlushRange(dst, len);
|
|
|
|
return dst;
|
|
}
|