X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fgpu_unai%2Fgpu_raster_line.h;fp=plugins%2Fgpu_unai%2Fgpu_raster_line.h;h=6d66c7d16f190bcd5e25d3df0f7dcf4aef8e5bfd;hp=0000000000000000000000000000000000000000;hb=86aad47b0418b1715a4d223adf8f59aa92619d15;hpb=201c21e2ad6be25a4b843d1434eabb432ce72884 diff --git a/plugins/gpu_unai/gpu_raster_line.h b/plugins/gpu_unai/gpu_raster_line.h new file mode 100644 index 00000000..6d66c7d1 --- /dev/null +++ b/plugins/gpu_unai/gpu_raster_line.h @@ -0,0 +1,255 @@ +/*************************************************************************** +* 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 line drawing functions + +#define GPU_DIGITS 16 +#define GPU_DIGITSC (GPU_DIGITS+3) + +INLINE long GPU_DIV(long rs, long rt) +{ + return rt ? (rs / rt) : (0); +} + +/////////////////////////////////////////////////////////////////////////////// +void gpuDrawLF(const PD gpuPixelDriver) +{ + 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); + + xmin = DrawingArea[0]; xmax = DrawingArea[2]; + ymin = DrawingArea[1]; ymax = DrawingArea[3]; + const u16 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; + + const int li=linesInterlace; + for (; x1; x1--) { + temp = y0 >> GPU_DIGITS; + if( 0 == (temp&li) ) { + if ((u32) (temp - ymin) < (u32) (ymax - ymin)) { + gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)],pixeldata); + } + } + x0++; + y0 += y1; + } + } else if (dy) { + if (y0 > y1) { + GPU_SWAP(x0, x1, temp); + GPU_SWAP(y0, y1, temp); + } + x1 = GPU_DIV((x1 - x0) << GPU_DIGITS, dy); + x0 <<= GPU_DIGITS; + temp = ymin - y0; + if (temp > 0) { + y0 = ymin; + x0 += (x1 * temp); + } + if (y1 > ymax) y1 = ymax; + y1 -= y0; + if (y1 < 0) y1 = 0; + + const int li=linesInterlace; + for (; y1; y1--) { + if( 0 == (y0&li) ) { + temp = x0 >> GPU_DIGITS; + if ((u32) (temp - xmin) < (u32) (xmax - xmin)) { + gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(temp, y0)],pixeldata); + } + } + y0++; + x0 += x1; + } + + } else { + if( 0 == (y0&linesInterlace) ) { + if ((u32) (x0 - xmin) < (u32) (xmax - xmin)) { + if ((u32) (y0 - ymin) < (u32) (ymax - ymin)) { + gpuPixelDriver(&((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)],pixeldata); + } + } + } + } +} + +/*---------------------------------------------------------------------- +GF +----------------------------------------------------------------------*/ + +/////////////////////////////////////////////////////////////////////////////// +void gpuDrawLG(const PD gpuPixelDriver) +{ + s32 temp; + s32 xmin, xmax; + s32 ymin, ymax; + s32 x0, x1, dx; + s32 y0, y1, dy; + s32 r0, r1; + s32 g0, g1; + s32 b0, b1; + + x0 = PacketBuffer.S2[2] + DrawingOffset[0]; GPU_TESTRANGE(x0); + y0 = PacketBuffer.S2[3] + DrawingOffset[1]; GPU_TESTRANGE(y0); + x1 = PacketBuffer.S2[6] + DrawingOffset[0]; GPU_TESTRANGE(x1); + y1 = PacketBuffer.S2[7] + DrawingOffset[1]; GPU_TESTRANGE(y1); + + r0 = PacketBuffer.U1[0]; g0 = PacketBuffer.U1[1]; b0 = PacketBuffer.U1[2]; + r1 = PacketBuffer.U1[8]; g1 = PacketBuffer.U1[9]; b1 = PacketBuffer.U1[10]; + + xmin = DrawingArea[0]; xmax = DrawingArea[2]; + ymin = DrawingArea[1]; ymax = DrawingArea[3]; + + 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); + GPU_SWAP(r0, r1, temp); + GPU_SWAP(g0, g1, temp); + GPU_SWAP(b0, b1, temp); + } + y1 = GPU_DIV((y1 - y0) << GPU_DIGITS, dx); + r1 = GPU_DIV((r1 - r0) << GPU_DIGITS, dx); + g1 = GPU_DIV((g1 - g0) << GPU_DIGITS, dx); + b1 = GPU_DIV((b1 - b0) << GPU_DIGITS, dx); + y0 <<= GPU_DIGITS; + r0 <<= GPU_DIGITS; + g0 <<= GPU_DIGITS; + b0 <<= GPU_DIGITS; + temp = xmin - x0; + if (temp > 0) { + x0 = xmin; + y0 += (y1 * temp); + r0 += (r1 * temp); + g0 += (g1 * temp); + b0 += (b1 * temp); + } + if (x1 > xmax) x1 = xmax; + x1 -= x0; + if (x1 < 0) x1 = 0; + + const int li=linesInterlace; + for (; x1; x1--) { + temp = y0 >> GPU_DIGITS; + if( 0 == (temp&li) ) { + if ((u32) (temp - ymin) < (u32) (ymax - ymin)) { + gpuPixelDriver ( + &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, temp)], + (((b0>>GPU_DIGITSC)&0x1F)<<10) | (((g0>>GPU_DIGITSC)&0x1F)<< 5) | ((r0>>GPU_DIGITSC)&0x1F) + ); + } + } + x0++; + y0 += y1; + r0 += r1; + g0 += g1; + b0 += b1; + } + } else if (dy) { + if (y0 > y1) { + GPU_SWAP(x0, x1, temp); + GPU_SWAP(y0, y1, temp); + GPU_SWAP(r0, r1, temp); + GPU_SWAP(g0, g1, temp); + GPU_SWAP(b0, b1, temp); + } + x1 = GPU_DIV((x1 - x0) << GPU_DIGITS, dy); + r1 = GPU_DIV((r1 - r0) << GPU_DIGITS, dy); + g1 = GPU_DIV((g1 - g0) << GPU_DIGITS, dy); + b1 = GPU_DIV((b1 - b0) << GPU_DIGITS, dy); + x0 <<= GPU_DIGITS; + r0 <<= GPU_DIGITS; + g0 <<= GPU_DIGITS; + b0 <<= GPU_DIGITS; + temp = ymin - y0; + if (temp > 0) { + y0 = ymin; + x0 += (x1 * temp); + r0 += (r1 * temp); + g0 += (g1 * temp); + b0 += (b1 * temp); + } + if (y1 > ymax) y1 = ymax; + y1 -= y0; + if (y1 < 0) y1 = 0; + + const int li=linesInterlace; + for (; y1; y1--) { + if( 0 == (y0&li) ) { + temp = x0 >> GPU_DIGITS; + if ((u32) (temp - xmin) < (u32) (xmax - xmin)) { + gpuPixelDriver ( + &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(temp, y0)], + (((b0>>GPU_DIGITSC)&0x1F)<<10) | (((g0>>GPU_DIGITSC)&0x1F)<< 5) | ((r0>>GPU_DIGITSC)&0x1F) + ); + } + } + y0++; + x0 += x1; + r0 += r1; + g0 += g1; + b0 += b1; + } + } else { + if( 0 == (y0&linesInterlace) ) { + if ((u32) (x0 - xmin) < (u32) (xmax - xmin)) { + if ((u32) (y0 - ymin) < (u32) (ymax - ymin)) { + gpuPixelDriver ( + &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)], + (((b0>>GPU_DIGITSC)&0x1F)<<10) | (((g0>>GPU_DIGITSC)&0x1F)<< 5) | ((r0>>GPU_DIGITSC)&0x1F) + ); + } + } + } + } +}