void gpuDrawLF(void)
{
s32 temp;
s32 xmin, xmax;
s32 ymin, ymax;
s32 x0, x1, dx;
s32 y0, y1, dy;
x0 = PacketBuffer.S2[2] + DrawingOffset[0]; GPU_TESTRANGE(x0);
y0 = PacketBuffer.S2[3] + DrawingOffset[1]; GPU_TESTRANGE(y0);
x1 = PacketBuffer.S2[4] + DrawingOffset[0]; GPU_TESTRANGE(x1);
y1 = PacketBuffer.S2[5] + DrawingOffset[1]; GPU_TESTRANGE(y1);
//AddDirtyArea(x0,y0,x1,y1);
if(isSkip) return;
xmin = DrawingArea[0]; xmax = DrawingArea[2];
ymin = DrawingArea[1]; ymax = DrawingArea[3];
PixelData = GPU_RGB16(PacketBuffer.U4[0]);
dy = (y1 - y0);
if (dy < 0)
dy = -dy;
dx = (x1 - x0);
if (dx < 0)
dx = -dx;
if (dx > dy) {
if (x0 > x1) {
GPU_SWAP(x0, x1, temp);
GPU_SWAP(y0, y1, temp);
}
y1 = GPU_DIV((y1 - y0) << GPU_DIGITS, dx);
y0 <<= GPU_DIGITS;
temp = xmin - x0;
if (temp > 0) {
x0 = xmin;
y0 += (y1 * temp);
}
if (x1 > xmax)
x1 = xmax;
x1 -= x0;
if (x1 < 0)
x1 = 0;
for (; x1; x1--) {
temp = y0 >> GPU_DIGITS;
if( 0 == (temp&linesInterlace) ) {
if ((u32) (temp - ymin) < (u32) (ymax - ymin)) {
Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)];
gpuPixelDriver();
}
}
x0++;
y0 += y1;
}
} else if (dy) {
void gpuDrawT(void)
{
s32 xmin, xmax;
s32 ymin, ymax;
s32 x0, y0;
s32 x1, y1;
x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0];
y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1];
x1+= PacketBuffer.S2[4];
y1+= PacketBuffer.S2[5];
xmin = DrawingArea[0]; xmax = DrawingArea[2];
ymin = DrawingArea[1]; ymax = DrawingArea[3];
int rx0 = Max2(xmin,Min2(x0,x1));
int ry0 = Max2(ymin,Min2(y0,y1));
int rx1 = Min2(xmax,Max2(x0,x1));
int ry1 = Min2(ymax,Max2(y0,y1));
if(rx0>=rx1 || ry0>=ry1)
return;
//AddDirtyArea(rx0,ry0,rx1,ry1);
if(isSkip) return;
PixelData = GPU_RGB16(PacketBuffer.U4[0]);
if (y0 < ymin)
y0 = ymin;
if (y1 > ymax)
y1 = ymax;
if (x0 < xmin)
x0 = xmin;
if (x1 > xmax)
x1 = xmax;
x1 -= x0;
if (x1 < 0)
x1 = 0;
Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
for (; y0<y1; ++y0)
{
PixelEnd = Pixel+x1;
if( 0 == (y0&linesInterlace) )
gpuSpriteSpanDriver();
Pixel += FRAME_WIDTH;
}
}
void gpuClearImage(void)
{
s32 x0, y0, w0, h0;
u16* pixel;
u32 rgb;
w0 = PacketBuffer.S2[4];
h0 = PacketBuffer.S2[5];
rgb = GPU_RGB16(PacketBuffer.S4[0]);
rgb|= rgb<<16;
x0 = PacketBuffer.S2[2];
y0 = PacketBuffer.S2[3];
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;
Skip = 0;
if (Skip)
if (w0 <= DisplayArea[2])
if (h0 <= DisplayArea[3])
return;
pixel = (u16*)GPU_FrameBuffer + FRAME_OFFSET(x0, y0);
y0 = FRAME_WIDTH - w0;
for (; h0; --h0)
{
for (x0 = w0; x0; --x0)
*pixel++ = rgb;
pixel += y0;
}
}
void gpuClearImage(void)
{
s32 x0, y0, w0, h0;
u16* pixel;
u32 rgb;
w0 = PacketBuffer.S2[4];
h0 = PacketBuffer.S2[5];
if (Skip)
if (w0 <= DisplayArea[2])
if (h0 <= DisplayArea[3])
return;
rgb = GPU_RGB16(PacketBuffer.S4[0]);
rgb|= rgb<<16;
x0 = PacketBuffer.S2[2];
y0 = PacketBuffer.S2[3];
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;
pixel = (u16*)GPU_FrameBuffer + FRAME_OFFSET(x0, y0);
y0 = FRAME_WIDTH - w0;
//if(w0&0xf)
// ARM_ClearImage ( (unsigned char*)pixel, y0<<1, rgb, w0, h0 );
//else
ARM_ClearImage_Fast( (unsigned char*)pixel, y0<<1, rgb, w0, h0 );
}
