1 /*
2    (c) Copyright 2001-2011  The world wide DirectFB Open Source Community (directfb.org)
3    (c) Copyright 2000-2004  Convergence (integrated media) GmbH
4 
5    All rights reserved.
6 
7    Written by Denis Oliver Kropp <dok@directfb.org>,
8               Andreas Hundt <andi@fischlustig.de>,
9               Sven Neumann <neo@directfb.org>,
10               Ville Syrjälä <syrjala@sci.fi> and
11               Claudio Ciccani <klan@users.sf.net>.
12 
13    This library is free software; you can redistribute it and/or
14    modify it under the terms of the GNU Lesser General Public
15    License as published by the Free Software Foundation; either
16    version 2 of the License, or (at your option) any later version.
17 
18    This library is distributed in the hope that it will be useful,
19    but WITHOUT ANY WARRANTY; without even the implied warranty of
20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21    Lesser General Public License for more details.
22 
23    You should have received a copy of the GNU Lesser General Public
24    License along with this library; if not, write to the
25    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26    Boston, MA 02111-1307, USA.
27 */
28 
29 #include <config.h>
30 
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <unistd.h>
34 #include <string.h>
35 #include <dfb_types.h>
36 
37 #include <pthread.h>
38 
39 #include <directfb.h>
40 
41 #include <core/core.h>
42 #include <core/coredefs.h>
43 #include <core/coretypes.h>
44 
45 #include <core/gfxcard.h>
46 #include <core/state.h>
47 #include <core/palette.h>
48 
49 #include <misc/gfx_util.h>
50 #include <misc/util.h>
51 #include <misc/conf.h>
52 
53 #include <direct/clock.h>
54 #include <direct/mem.h>
55 #include <direct/memcpy.h>
56 #include <direct/messages.h>
57 #include <direct/util.h>
58 
59 #include <gfx/convert.h>
60 #include <gfx/util.h>
61 
62 #include "generic.h"
63 
64 /**********************************************************************************************************************/
65 /**********************************************************************************************************************/
66 
gBlit(CardState * state,DFBRectangle * rect,int dx,int dy)67 void gBlit( CardState *state, DFBRectangle *rect, int dx, int dy )
68 {
69      GenefxState    *gfxs = state->gfxs;
70      int             h;
71      XopAdvanceFunc  Aop_advance;
72      XopAdvanceFunc  Bop_advance;
73      int             Aop_X;
74      int             Aop_Y;
75      int             Bop_X;
76      int             Bop_Y;
77 
78      DFBSurfaceBlittingFlags rotflip_blittingflags = state->blittingflags;
79 
80      dfb_simplify_blittingflags( &rotflip_blittingflags );
81      rotflip_blittingflags &= (DSBLIT_FLIP_HORIZONTAL | DSBLIT_FLIP_VERTICAL | DSBLIT_ROTATE90 );
82 
83      D_ASSERT( gfxs != NULL );
84 
85      if (dfb_config->software_warn) {
86           D_WARN( "Blit          (%4d,%4d-%4dx%4d) %6s, flags 0x%08x, funcs %d/%d, color 0x%02x%02x%02x%02x, source (%4d,%4d) %6s",
87                   dx, dy, rect->w, rect->h, dfb_pixelformat_name(gfxs->dst_format), state->blittingflags,
88                   state->src_blend, state->dst_blend,
89                   state->color.a, state->color.r, state->color.g, state->color.b, rect->x, rect->y,
90                   dfb_pixelformat_name(gfxs->src_format) );
91      }
92 
93      D_ASSERT( state->clip.x1 <= dx );
94      D_ASSERT( state->clip.y1 <= dy );
95      D_ASSERT( (rotflip_blittingflags & DSBLIT_ROTATE90) || state->clip.x2 >= (dx + rect->w - 1) );
96      D_ASSERT( (rotflip_blittingflags & DSBLIT_ROTATE90) || state->clip.y2 >= (dy + rect->h - 1) );
97      D_ASSERT( !(rotflip_blittingflags & DSBLIT_ROTATE90) || state->clip.x2 >= (dx + rect->h - 1) );
98      D_ASSERT( !(rotflip_blittingflags & DSBLIT_ROTATE90) || state->clip.y2 >= (dy + rect->w - 1) );
99 
100      CHECK_PIPELINE();
101 
102      if (!Genefx_ABacc_prepare( gfxs, rect->w ))
103           return;
104 
105 
106      switch (gfxs->src_format) {
107           case DSPF_A4:
108           case DSPF_YUY2:
109           case DSPF_UYVY:
110                rect->x &= ~1;
111                break;
112           default:
113                break;
114      }
115 
116      switch (gfxs->dst_format) {
117           case DSPF_A4:
118           case DSPF_YUY2:
119           case DSPF_UYVY:
120                dx &= ~1;
121                break;
122           default:
123                break;
124      }
125 
126      gfxs->length = rect->w;
127 
128 
129      if (gfxs->src_org[0] == gfxs->dst_org[0] && dy == rect->y && dx > rect->x)
130           /* we must blit from right to left */
131           gfxs->Astep = gfxs->Bstep = -1;
132      else
133           /* we must blit from left to right*/
134           gfxs->Astep = gfxs->Bstep = 1;
135 
136 
137      if (rotflip_blittingflags == (DSBLIT_FLIP_HORIZONTAL | DSBLIT_FLIP_VERTICAL)) { // 180 deg
138           gfxs->Astep *= -1;
139 
140           Aop_X = dx + rect->w - 1;
141           Aop_Y = dy;
142 
143           Bop_X = rect->x;
144           Bop_Y = rect->y + rect->h - 1;
145 
146           Aop_advance = Genefx_Aop_next;
147           Bop_advance = Genefx_Bop_prev;
148      }
149      else if (rotflip_blittingflags == DSBLIT_FLIP_HORIZONTAL) {
150           gfxs->Astep *= -1;
151 
152           Aop_X = dx + rect->w - 1;
153           Aop_Y = dy;
154 
155           Bop_X = rect->x;
156           Bop_Y = rect->y;
157 
158           Aop_advance = Genefx_Aop_next;
159           Bop_advance = Genefx_Bop_next;
160      }
161      else if (rotflip_blittingflags == DSBLIT_FLIP_VERTICAL) {
162           Aop_X = dx;
163           Aop_Y = dy + rect->h - 1;
164 
165           Bop_X = rect->x;
166           Bop_Y = rect->y;
167 
168           Aop_advance = Genefx_Aop_prev;
169           Bop_advance = Genefx_Bop_next;
170      }
171      else if (rotflip_blittingflags == (DSBLIT_ROTATE90 | DSBLIT_FLIP_HORIZONTAL | DSBLIT_FLIP_VERTICAL)) { // 270 deg ccw
172           gfxs->Astep *= gfxs->dst_pitch / gfxs->dst_bpp;
173 
174           Aop_X = dx;
175           Aop_Y = dy;
176 
177           Bop_X = rect->x;
178           Bop_Y = rect->y + rect->h - 1;
179 
180           Aop_advance = Genefx_Aop_crab;
181           Bop_advance = Genefx_Bop_prev;
182      }
183      else if (rotflip_blittingflags == DSBLIT_ROTATE90) { // 90 deg ccw
184           gfxs->Astep *= -gfxs->dst_pitch / gfxs->dst_bpp;
185 
186           Aop_X = dx;
187           Aop_Y = dy + rect->w - 1;
188 
189           Bop_X = rect->x;
190           Bop_Y = rect->y;
191 
192           Aop_advance = Genefx_Aop_crab;
193           Bop_advance = Genefx_Bop_next;
194      }
195      else if (rotflip_blittingflags == (DSBLIT_ROTATE90 | DSBLIT_FLIP_VERTICAL)) {
196           gfxs->Astep *= -gfxs->dst_pitch / gfxs->dst_bpp;
197 
198           Aop_X = dx + rect->h - 1;
199           Aop_Y = dy + rect->w - 1;
200 
201           Bop_X = rect->x;
202           Bop_Y = rect->y;
203 
204           Aop_advance = Genefx_Aop_prev_crab;
205           Bop_advance = Genefx_Bop_next;
206      }
207      else if (rotflip_blittingflags == (DSBLIT_ROTATE90 | DSBLIT_FLIP_HORIZONTAL)) {
208           gfxs->Astep *= gfxs->dst_pitch / gfxs->dst_bpp;
209 
210           Aop_X = dx;
211           Aop_Y = dy;
212 
213           Bop_X = rect->x;
214           Bop_Y = rect->y;
215 
216           Aop_advance = Genefx_Aop_crab;
217           Bop_advance = Genefx_Bop_next;
218      }
219      else if (gfxs->src_org[0] == gfxs->dst_org[0] && dy > rect->y && !(state->blittingflags & DSBLIT_DEINTERLACE)) {
220           /* we must blit from bottom to top */
221           Aop_X = dx;
222           Aop_Y = dy + rect->h - 1;
223 
224           Bop_X = rect->x;
225           Bop_Y = rect->y + rect->h - 1;
226 
227           Aop_advance = Genefx_Aop_prev;
228           Bop_advance = Genefx_Bop_prev;
229      }
230      else {
231           /* we must blit from top to bottom */
232           Aop_X = dx;
233           Aop_Y = dy;
234 
235           Bop_X = rect->x;
236           Bop_Y = rect->y;
237 
238           Aop_advance = Genefx_Aop_next;
239           Bop_advance = Genefx_Bop_next;
240      }
241 
242 
243 
244      Genefx_Aop_xy( gfxs, Aop_X, Aop_Y );
245      Genefx_Bop_xy( gfxs, Bop_X, Bop_Y );
246 
247      if (state->blittingflags & DSBLIT_DEINTERLACE) {
248           if (state->source->field) {
249                Aop_advance( gfxs );
250                Bop_advance( gfxs );
251                rect->h--;
252           }
253 
254           for (h = rect->h/2; h; h--) {
255                RUN_PIPELINE();
256 
257                Aop_advance( gfxs );
258 
259                RUN_PIPELINE();
260 
261                Aop_advance( gfxs );
262 
263                Bop_advance( gfxs );
264                Bop_advance( gfxs );
265           }
266      } /* ! DSBLIT_DEINTERLACE */
267      else {
268           for (h = rect->h; h; h--) {
269                RUN_PIPELINE();
270 
271                Aop_advance( gfxs );
272                Bop_advance( gfxs );
273           }
274      }
275 
276      Genefx_ABacc_flush( gfxs );
277 }
278 
279