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/***************************************************************************
* Copyright (C) 2010 PCSX4ALL Team *
* Copyright (C) 2010 Unai *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
***************************************************************************/
///////////////////////////////////////////////////////////////////////////////
INLINE void gpuLoadImage(void)
{
u16 x0, y0, w0, h0;
x0 = PacketBuffer.U2[2] & 1023;
y0 = PacketBuffer.U2[3] & 511;
w0 = PacketBuffer.U2[4];
h0 = PacketBuffer.U2[5];
if ((y0 + h0) > FRAME_HEIGHT)
{
h0 = FRAME_HEIGHT - y0;
}
FrameToWrite = ((w0)&&(h0));
px = 0;
py = 0;
x_end = w0;
y_end = h0;
pvram = &((u16*)GPU_FrameBuffer)[x0+(y0*1024)];
GPU_GP1 |= 0x08000000;
}
///////////////////////////////////////////////////////////////////////////////
INLINE void gpuStoreImage(void)
{
u16 x0, y0, w0, h0;
x0 = PacketBuffer.U2[2] & 1023;
y0 = PacketBuffer.U2[3] & 511;
w0 = PacketBuffer.U2[4];
h0 = PacketBuffer.U2[5];
if ((y0 + h0) > FRAME_HEIGHT)
{
h0 = FRAME_HEIGHT - y0;
}
FrameToRead = ((w0)&&(h0));
px = 0;
py = 0;
x_end = w0;
y_end = h0;
pvram = &((u16*)GPU_FrameBuffer)[x0+(y0*1024)];
GPU_GP1 |= 0x08000000;
}
INLINE void gpuMoveImage(void)
{
u32 x0, y0, x1, y1;
s32 w0, h0;
x0 = PacketBuffer.U2[2] & 1023;
y0 = PacketBuffer.U2[3] & 511;
x1 = PacketBuffer.U2[4] & 1023;
y1 = PacketBuffer.U2[5] & 511;
w0 = PacketBuffer.U2[6];
h0 = PacketBuffer.U2[7];
if( (x0==x1) && (y0==y1) ) return;
if ((w0<=0) || (h0<=0)) return;
if (((y0+h0)>512)||((x0+w0)>1024)||((y1+h0)>512)||((x1+w0)>1024))
{
u16 *psxVuw=GPU_FrameBuffer;
u32 i,j;
for(j=0;j<h0;j++)
for(i=0;i<w0;i++)
psxVuw [(1024*((y1+j)&511))+((x1+i)&0x3ff)]=
psxVuw[(1024*((y0+j)&511))+((x0+i)&0x3ff)];
}
else if ((x0&1)||(x1&1))
{
u16 *lpDst, *lpSrc;
lpDst = lpSrc = (u16*)GPU_FrameBuffer;
lpSrc += FRAME_OFFSET(x0, y0);
lpDst += FRAME_OFFSET(x1, y1);
x1 = FRAME_WIDTH - w0;
do {
x0=w0;
do { *lpDst++ = *lpSrc++; } while (--x0);
lpDst += x1;
lpSrc += x1;
} while (--h0);
}
else
{
u32 *lpDst, *lpSrc;
lpDst = lpSrc = (u32*)(void*)GPU_FrameBuffer;
lpSrc += ((FRAME_OFFSET(x0, y0))>>1);
lpDst += ((FRAME_OFFSET(x1, y1))>>1);
if (w0&1)
{
x1 = (FRAME_WIDTH - w0 +1)>>1;
w0>>=1;
if (!w0) {
do {
*((u16*)lpDst) = *((u16*)lpSrc);
lpDst += x1;
lpSrc += x1;
} while (--h0);
} else
do {
x0=w0;
do { *lpDst++ = *lpSrc++; } while (--x0);
*((u16*)lpDst) = *((u16*)lpSrc);
lpDst += x1;
lpSrc += x1;
} while (--h0);
}
else
{
x1 = (FRAME_WIDTH - w0)>>1;
w0>>=1;
do {
x0=w0;
do { *lpDst++ = *lpSrc++; } while (--x0);
lpDst += x1;
lpSrc += x1;
} while (--h0);
}
}
}
INLINE void gpuClearImage(void)
{
s32 x0, y0, w0, h0;
x0 = PacketBuffer.S2[2];
y0 = PacketBuffer.S2[3];
w0 = PacketBuffer.S2[4] & 0x3ff;
h0 = PacketBuffer.S2[5] & 0x3ff;
w0 += x0;
if (x0 < 0) x0 = 0;
if (w0 > FRAME_WIDTH) w0 = FRAME_WIDTH;
w0 -= x0;
if (w0 <= 0) return;
h0 += y0;
if (y0 < 0) y0 = 0;
if (h0 > FRAME_HEIGHT) h0 = FRAME_HEIGHT;
h0 -= y0;
if (h0 <= 0) return;
if (x0&1)
{
u16* pixel = (u16*)GPU_FrameBuffer + FRAME_OFFSET(x0, y0);
u16 rgb = GPU_RGB16(PacketBuffer.S4[0]);
y0 = FRAME_WIDTH - w0;
do {
x0=w0;
do { *pixel++ = rgb; } while (--x0);
pixel += y0;
} while (--h0);
}
else
{
u32* pixel = (u32*)(void*)GPU_FrameBuffer + ((FRAME_OFFSET(x0, y0))>>1);
u32 rgb = GPU_RGB16(PacketBuffer.S4[0]);
rgb |= (rgb<<16);
if (w0&1)
{
y0 = (FRAME_WIDTH - w0 +1)>>1;
w0>>=1;
do {
x0=w0;
do { *pixel++ = rgb; } while (--x0);
*((u16*)pixel) = (u16)rgb;
pixel += y0;
} while (--h0);
}
else
{
y0 = (FRAME_WIDTH - w0)>>1;
w0>>=1;
do {
x0=w0;
do { *pixel++ = rgb; } while (--x0);
pixel += y0;
} while (--h0);
}
}
}
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