lxdream 0.9.1| filename | src/pvr2/pvr2.c |
| changeset | 65:9f124c245fc6 |
| prev | 56:3224dceaf2a3 |
| next | 85:71e239d20c5d |
| author | nkeynes |
| date | Tue Jan 03 12:21:45 2006 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Implement blanking (maybe, untested) Quick hack to generate appropriate events on ta list completion |
| file | annotate | diff | log | raw |
1.1 --- a/src/pvr2/pvr2.c Sun Jan 01 08:09:42 2006 +00001.2 +++ b/src/pvr2/pvr2.c Tue Jan 03 12:21:45 2006 +00001.3 @@ -1,5 +1,5 @@1.4 /**1.5 - * $Id: pvr2.c,v 1.11 2006-01-01 08:09:42 nkeynes Exp $1.6 + * $Id: pvr2.c,v 1.12 2006-01-03 12:21:45 nkeynes Exp $1.7 *1.8 * PVR2 (Video) MMIO and supporting functions.1.9 *1.10 @@ -93,8 +93,14 @@1.11 bChanged = 0;1.12 }1.13 if( bEnabled ) {1.14 - /* Assume bit depths match for now... */1.15 - memcpy( video_data, frame_start, vid_size );1.16 + if( MMIO_READ( PVR2, VIDCFG2 ) & 0x08 ) {1.17 + /* Blanked */1.18 + uint32_t colour = MMIO_READ( PVR2, BORDERCOL );1.19 + video_fill( colour );1.20 + } else {1.21 + /* Assume bit depths match for now... */1.22 + memcpy( video_data, frame_start, vid_size );1.23 + }1.24 } else {1.25 memset( video_data, 0, vid_size );1.26 }1.27 @@ -116,13 +122,16 @@1.28 MMIO_REGID(PVR2,reg), MMIO_REGDESC(PVR2,reg) );1.30 switch(reg) {1.31 - case DISPSIZE: bChanged = 1;1.32 - case DISPMODE: bChanged = 1;1.33 - case DISPADDR1: bChanged = 1;1.34 - case DISPADDR2: bChanged = 1;1.35 - case VIDCFG: bChanged = 1;1.36 - break;1.37 -1.38 + case DISPSIZE: bChanged = 1;1.39 + case DISPMODE: bChanged = 1;1.40 + case DISPADDR1: bChanged = 1;1.41 + case DISPADDR2: bChanged = 1;1.42 + case VIDCFG: bChanged = 1;1.43 + break;1.44 + case RENDSTART:1.45 + if( val == 0xFFFFFFFF )1.46 + pvr2_render_scene();1.47 + break;1.48 }1.49 MMIO_WRITE( PVR2, reg, val );1.50 }1.51 @@ -143,6 +152,26 @@1.52 }1.55 +void pvr2_render_scene( void )1.56 +{1.57 + /* Actual rendering goes here :) */1.58 + asic_event( EVENT_PVR_RENDER_DONE );1.59 + DEBUG( "Rendered frame %d", video_frame_count );1.60 +}1.61 +1.62 +/** Tile Accelerator */1.63 +1.64 +struct tacmd {1.65 + uint32_t command;1.66 + uint32_t param1;1.67 + uint32_t param2;1.68 + uint32_t texture;1.69 + float alpha;1.70 + float red;1.71 + float green;1.72 + float blue;1.73 +};1.74 +1.75 int32_t mmio_region_PVR2TA_read( uint32_t reg )1.76 {1.77 return 0xFFFFFFFF;1.78 @@ -152,10 +181,40 @@1.80 void mmio_region_PVR2TA_write( uint32_t reg, uint32_t val )1.81 {1.82 -1.83 + DEBUG( "Direct write to TA %08X", val );1.84 }1.86 void pvr2ta_write( char *buf, uint32_t length )1.87 {1.88 -1.89 + int i;1.90 + struct tacmd *cmd_list = (struct tacmd *)buf;1.91 + int count = length >> 5;1.92 + unsigned int lasttype = 0;1.93 + for( i=0; i<count; i++ ){1.94 + unsigned int type = (cmd_list[i].command >> 24) & 0xFF;1.95 + DEBUG( "PVR2 cmd: %08X %08X %08X", cmd_list[i].command, cmd_list[i].param1, cmd_list[i].param2 );1.96 + if( type == 0 ) {1.97 + /* End of list */1.98 + switch( lasttype ) {1.99 + case 0x80: /* Opaque polys */1.100 + asic_event( EVENT_PVR_OPAQUE_DONE );1.101 + break;1.102 + case 0x81: /* Opaque poly modifier */1.103 + asic_event( EVENT_PVR_OPAQUEMOD_DONE );1.104 + break;1.105 + case 0x82: /* Transparent polys */1.106 + asic_event( EVENT_PVR_TRANS_DONE );1.107 + break;1.108 + case 0x83: /* Transparent poly modifier */1.109 + asic_event( EVENT_PVR_TRANSMOD_DONE );1.110 + break;1.111 + case 0x84: /* Punchthrough */1.112 + asic_event( EVENT_PVR_PUNCHOUT_DONE );1.113 + break;1.114 + }1.115 + } else {1.116 + lasttype = type;1.117 + }1.118 + }1.119 }1.120 +
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