+++ /dev/null
-/***************************************************************************
-* 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. *
-***************************************************************************/
-
-#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; }
-
-///////////////////////////////////////////////////////////////////////////////
-// GPU internal line drawing functions
-
-#define GPU_DIGITS 16
-#define GPU_DIGITSC (GPU_DIGITS+3)
-
-INLINE s32 GPU_DIV(s32 rs, s32 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)
- );
- }
- }
- }
- }
-}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff