import gpu_unai from PCSX4ALL project

[pcsx_rearmed.git] / plugins / gpu_unai / gpu_raster_sprite.h

diff --git a/plugins/gpu_unai/gpu_raster_sprite.h b/plugins/gpu_unai/gpu_raster_sprite.h
new file mode 100644 (file)
index 0000000..041fcbd
--- /dev/null
+++ b/plugins/gpu_unai/gpu_raster_sprite.h
@@ -0,0 +1,133 @@
+/***************************************************************************
+*   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.           *
+***************************************************************************/
+
+///////////////////////////////////////////////////////////////////////////////
+//  GPU internal sprite drawing functions
+
+///////////////////////////////////////////////////////////////////////////////
+void gpuDrawS(const PS gpuSpriteSpanDriver)
+{
+       s32 x0, x1;
+       s32 y0, y1;
+       s32 u0;
+       s32 v0;
+
+       x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0];
+       y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1];
+       x1+= PacketBuffer.S2[6];
+       y1+= PacketBuffer.S2[7];
+
+       {
+               s32 xmin, xmax;
+               s32 ymin, ymax;
+               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;
+               }
+
+               u0 = PacketBuffer.U1[8];
+               v0 = PacketBuffer.U1[9];
+
+               r4 = s32(PacketBuffer.U1[0]);
+               g4 = s32(PacketBuffer.U1[1]);
+               b4 = s32(PacketBuffer.U1[2]);
+
+               {
+                       s32 temp;
+                       temp = ymin - y0;
+                       if (temp > 0) { y0 = ymin; v0 += temp; }
+                       if (y1 > ymax) y1 = ymax;
+                       if (y1 <= y0) return;
+                       
+                       temp = xmin - x0;
+                       if (temp > 0) { x0 = xmin; u0 += temp; }
+                       if (x1 > xmax) x1 = xmax;
+                       x1 -= x0;
+                       if (x1 <= 0) return;
+               }
+       }
+
+       {
+               u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
+               const int li=linesInterlace;
+               const u32 masku=TextureWindow[2];
+               const u32 maskv=TextureWindow[3];
+
+               for (;y0<y1;++y0) {
+                       if( 0 == (y0&li) ) gpuSpriteSpanDriver(Pixel,x1,FRAME_OFFSET(u0,v0),masku);
+                       Pixel += FRAME_WIDTH;
+                       v0 = (v0+1)&maskv;
+               }
+       }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+void gpuDrawT(const PT gpuTileSpanDriver)
+{
+       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];
+
+       {
+               s32 xmin, xmax;
+               s32 ymin, ymax;
+               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;
+               }
+
+               if (y0 < ymin) y0 = ymin;
+               if (y1 > ymax) y1 = ymax;
+               if (y1 <= y0) return;
+
+               if (x0 < xmin) x0 = xmin;
+               if (x1 > xmax) x1 = xmax;
+               x1 -= x0;
+               if (x1 <= 0) return;
+       }
+       
+       {
+               u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)];
+               const u16 Data = GPU_RGB16(PacketBuffer.U4[0]);
+               const int li=linesInterlace;
+
+               for (; y0<y1; ++y0)
+               {
+                       if( 0 == (y0&li) ) gpuTileSpanDriver(Pixel,x1,Data);
+                       Pixel += FRAME_WIDTH;
+               }
+       }
+}