lxdream 0.9.1revision 222:541d9d899aba
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raw | bz2 | zip | gz | changeset | 222:541d9d899aba |
| parent | 221:cf5c6d326162 |
| child | 223:f6c28fa9076b |
| author | nkeynes |
| date | Tue Sep 12 11:54:19 2006 +0000 (16 years ago) |
Bug #0005 Implement translucent poly sorting
Implement quick-and-dirty sorting based on min-z. It's not remotely complete
but damn that looks so much better ^_^
Implement quick-and-dirty sorting based on min-z. It's not remotely complete
but damn that looks so much better ^_^
 | src/Makefile.am | view | annotate | diff | log | |
| src/Makefile.in | view | annotate | diff | log | |
| src/pvr2/pvr2.h | view | annotate | diff | log | |
| src/pvr2/rendcore.c | view | annotate | diff | log | |
| src/pvr2/render.c | view | annotate | diff | log | |
| src/pvr2/rendsort.c | view | annotate | diff | log |
1.1 --- a/src/Makefile.am Tue Sep 12 08:38:38 2006 +00001.2 +++ b/src/Makefile.am Tue Sep 12 11:54:19 2006 +00001.3 @@ -22,7 +22,7 @@1.4 aica/armcore.c aica/armcore.h aica/armdasm.c aica/armmem.c \1.5 aica/aica.c aica/aica.h aica/audio.c aica/audio.h \1.6 pvr2/pvr2.c pvr2/pvr2.h \1.7 - pvr2/tacore.c pvr2/render.c pvr2/rendcore.c pvr2/rendbkg.c \1.8 + pvr2/tacore.c pvr2/render.c pvr2/rendcore.c pvr2/rendbkg.c pvr2/rendsort.c \1.9 pvr2/texcache.c \1.10 maple/maple.c maple/maple.h \1.11 maple/controller.c maple/controller.h \
2.1 --- a/src/Makefile.in Tue Sep 12 08:38:38 2006 +00002.2 +++ b/src/Makefile.in Tue Sep 12 11:54:19 2006 +00002.3 @@ -150,7 +150,7 @@2.4 aica/armcore.c aica/armcore.h aica/armdasm.c aica/armmem.c \2.5 aica/aica.c aica/aica.h aica/audio.c aica/audio.h \2.6 pvr2/pvr2.c pvr2/pvr2.h \2.7 - pvr2/tacore.c pvr2/render.c pvr2/rendcore.c pvr2/rendbkg.c \2.8 + pvr2/tacore.c pvr2/render.c pvr2/rendcore.c pvr2/rendbkg.c pvr2/rendsort.c \2.9 pvr2/texcache.c \2.10 maple/maple.c maple/maple.h \2.11 maple/controller.c maple/controller.h \2.12 @@ -186,13 +186,13 @@2.13 scif.$(OBJEXT) armcore.$(OBJEXT) armdasm.$(OBJEXT) \2.14 armmem.$(OBJEXT) aica.$(OBJEXT) audio.$(OBJEXT) pvr2.$(OBJEXT) \2.15 tacore.$(OBJEXT) render.$(OBJEXT) rendcore.$(OBJEXT) \2.16 - rendbkg.$(OBJEXT) texcache.$(OBJEXT) maple.$(OBJEXT) \2.17 - controller.$(OBJEXT) support.$(OBJEXT) interface.$(OBJEXT) \2.18 - callbacks.$(OBJEXT) gui.$(OBJEXT) mmr_win.$(OBJEXT) \2.19 - debug_win.$(OBJEXT) dump_win.$(OBJEXT) loader.$(OBJEXT) \2.20 - bootstrap.$(OBJEXT) util.$(OBJEXT) display.$(OBJEXT) \2.21 - audio_null.$(OBJEXT) audio_esd.$(OBJEXT) video_null.$(OBJEXT) \2.22 - video_gtk.$(OBJEXT) video_x11.$(OBJEXT)2.23 + rendbkg.$(OBJEXT) rendsort.$(OBJEXT) texcache.$(OBJEXT) \2.24 + maple.$(OBJEXT) controller.$(OBJEXT) support.$(OBJEXT) \2.25 + interface.$(OBJEXT) callbacks.$(OBJEXT) gui.$(OBJEXT) \2.26 + mmr_win.$(OBJEXT) debug_win.$(OBJEXT) dump_win.$(OBJEXT) \2.27 + loader.$(OBJEXT) bootstrap.$(OBJEXT) util.$(OBJEXT) \2.28 + display.$(OBJEXT) audio_null.$(OBJEXT) audio_esd.$(OBJEXT) \2.29 + video_null.$(OBJEXT) video_gtk.$(OBJEXT) video_x11.$(OBJEXT)2.30 lxdream_OBJECTS = $(am_lxdream_OBJECTS)2.31 lxdream_DEPENDENCIES =2.32 lxdream_LDFLAGS =2.33 @@ -217,14 +217,14 @@2.34 @AMDEP_TRUE@ ./$(DEPDIR)/mmr_win.Po ./$(DEPDIR)/nrg.Po \2.35 @AMDEP_TRUE@ ./$(DEPDIR)/pvr2.Po ./$(DEPDIR)/rendbkg.Po \2.36 @AMDEP_TRUE@ ./$(DEPDIR)/rendcore.Po ./$(DEPDIR)/render.Po \2.37 -@AMDEP_TRUE@ ./$(DEPDIR)/scif.Po ./$(DEPDIR)/sh4core.Po \2.38 -@AMDEP_TRUE@ ./$(DEPDIR)/sh4dasm.Po ./$(DEPDIR)/sh4mem.Po \2.39 -@AMDEP_TRUE@ ./$(DEPDIR)/sh4mmio.Po ./$(DEPDIR)/support.Po \2.40 -@AMDEP_TRUE@ ./$(DEPDIR)/syscall.Po ./$(DEPDIR)/tacore.Po \2.41 -@AMDEP_TRUE@ ./$(DEPDIR)/texcache.Po ./$(DEPDIR)/timer.Po \2.42 -@AMDEP_TRUE@ ./$(DEPDIR)/util.Po ./$(DEPDIR)/video_gtk.Po \2.43 -@AMDEP_TRUE@ ./$(DEPDIR)/video_null.Po ./$(DEPDIR)/video_x11.Po \2.44 -@AMDEP_TRUE@ ./$(DEPDIR)/watch.Po2.45 +@AMDEP_TRUE@ ./$(DEPDIR)/rendsort.Po ./$(DEPDIR)/scif.Po \2.46 +@AMDEP_TRUE@ ./$(DEPDIR)/sh4core.Po ./$(DEPDIR)/sh4dasm.Po \2.47 +@AMDEP_TRUE@ ./$(DEPDIR)/sh4mem.Po ./$(DEPDIR)/sh4mmio.Po \2.48 +@AMDEP_TRUE@ ./$(DEPDIR)/support.Po ./$(DEPDIR)/syscall.Po \2.49 +@AMDEP_TRUE@ ./$(DEPDIR)/tacore.Po ./$(DEPDIR)/texcache.Po \2.50 +@AMDEP_TRUE@ ./$(DEPDIR)/timer.Po ./$(DEPDIR)/util.Po \2.51 +@AMDEP_TRUE@ ./$(DEPDIR)/video_gtk.Po ./$(DEPDIR)/video_null.Po \2.52 +@AMDEP_TRUE@ ./$(DEPDIR)/video_x11.Po ./$(DEPDIR)/watch.Po2.53 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \2.54 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)2.55 CCLD = $(CC)2.56 @@ -310,6 +310,7 @@2.57 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendbkg.Po@am__quote@2.58 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendcore.Po@am__quote@2.59 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/render.Po@am__quote@2.60 +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rendsort.Po@am__quote@2.61 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scif.Po@am__quote@2.62 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sh4core.Po@am__quote@2.63 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sh4dasm.Po@am__quote@2.64 @@ -832,6 +833,28 @@2.65 @AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@2.66 @am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o rendbkg.obj `if test -f 'pvr2/rendbkg.c'; then $(CYGPATH_W) 'pvr2/rendbkg.c'; else $(CYGPATH_W) '$(srcdir)/pvr2/rendbkg.c'; fi`2.68 +rendsort.o: pvr2/rendsort.c2.69 +@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT rendsort.o -MD -MP -MF "$(DEPDIR)/rendsort.Tpo" \2.70 +@am__fastdepCC_TRUE@ -c -o rendsort.o `test -f 'pvr2/rendsort.c' || echo '$(srcdir)/'`pvr2/rendsort.c; \2.71 +@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/rendsort.Tpo" "$(DEPDIR)/rendsort.Po"; \2.72 +@am__fastdepCC_TRUE@ else rm -f "$(DEPDIR)/rendsort.Tpo"; exit 1; \2.73 +@am__fastdepCC_TRUE@ fi2.74 +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='pvr2/rendsort.c' object='rendsort.o' libtool=no @AMDEPBACKSLASH@2.75 +@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/rendsort.Po' tmpdepfile='$(DEPDIR)/rendsort.TPo' @AMDEPBACKSLASH@2.76 +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@2.77 +@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o rendsort.o `test -f 'pvr2/rendsort.c' || echo '$(srcdir)/'`pvr2/rendsort.c2.78 +2.79 +rendsort.obj: pvr2/rendsort.c2.80 +@am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT rendsort.obj -MD -MP -MF "$(DEPDIR)/rendsort.Tpo" \2.81 +@am__fastdepCC_TRUE@ -c -o rendsort.obj `if test -f 'pvr2/rendsort.c'; then $(CYGPATH_W) 'pvr2/rendsort.c'; else $(CYGPATH_W) '$(srcdir)/pvr2/rendsort.c'; fi`; \2.82 +@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/rendsort.Tpo" "$(DEPDIR)/rendsort.Po"; \2.83 +@am__fastdepCC_TRUE@ else rm -f "$(DEPDIR)/rendsort.Tpo"; exit 1; \2.84 +@am__fastdepCC_TRUE@ fi2.85 +@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='pvr2/rendsort.c' object='rendsort.obj' libtool=no @AMDEPBACKSLASH@2.86 +@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/rendsort.Po' tmpdepfile='$(DEPDIR)/rendsort.TPo' @AMDEPBACKSLASH@2.87 +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@2.88 +@am__fastdepCC_FALSE@ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o rendsort.obj `if test -f 'pvr2/rendsort.c'; then $(CYGPATH_W) 'pvr2/rendsort.c'; else $(CYGPATH_W) '$(srcdir)/pvr2/rendsort.c'; fi`2.89 +2.90 texcache.o: pvr2/texcache.c2.91 @am__fastdepCC_TRUE@ if $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT texcache.o -MD -MP -MF "$(DEPDIR)/texcache.Tpo" \2.92 @am__fastdepCC_TRUE@ -c -o texcache.o `test -f 'pvr2/texcache.c' || echo '$(srcdir)/'`pvr2/texcache.c; \
3.1 --- a/src/pvr2/pvr2.h Tue Sep 12 08:38:38 2006 +00003.2 +++ b/src/pvr2/pvr2.h Tue Sep 12 11:54:19 2006 +00003.3 @@ -1,5 +1,5 @@3.4 /**3.5 - * $Id: pvr2.h,v 1.17 2006-09-12 08:38:38 nkeynes Exp $3.6 + * $Id: pvr2.h,v 1.18 2006-09-12 11:54:19 nkeynes Exp $3.7 *3.8 * PVR2 (video chip) functions and macros.3.9 *3.10 @@ -56,6 +56,11 @@3.11 #define PVR2_RAM_PAGES (PVR2_RAM_SIZE>>12)3.12 #define PVR2_RAM_MASK 0x7FFFFF3.14 +#define RENDER_ZONLY 03.15 +#define RENDER_NORMAL 1 /* Render non-modified polygons */3.16 +#define RENDER_CHEAPMOD 2 /* Render cheap-modified polygons */3.17 +#define RENDER_FULLMOD 3 /* Render the fully-modified version of the polygons */3.18 +3.19 void pvr2_next_frame( void );3.20 void pvr2_set_base_address( uint32_t );3.21 int pvr2_get_frame_count( void );
4.1 --- a/src/pvr2/rendcore.c Tue Sep 12 08:38:38 2006 +00004.2 +++ b/src/pvr2/rendcore.c Tue Sep 12 11:54:19 2006 +00004.3 @@ -1,5 +1,5 @@4.4 /**4.5 - * $Id: rendcore.c,v 1.4 2006-09-12 08:38:38 nkeynes Exp $4.6 + * $Id: rendcore.c,v 1.5 2006-09-12 11:54:19 nkeynes Exp $4.7 *4.8 * PVR2 renderer core.4.9 *4.10 @@ -37,11 +37,6 @@4.11 COLFMT_RGB888, COLFMT_ARGB8888, COLFMT_ARGB8888, COLFMT_ARGB4444 };4.14 -#define RENDER_ZONLY 04.15 -#define RENDER_NORMAL 1 /* Render non-modified polygons */4.16 -#define RENDER_CHEAPMOD 2 /* Render cheap-modified polygons */4.17 -#define RENDER_FULLMOD 3 /* Render the fully-modified version of the polygons */4.18 -4.19 #define CULL_NONE 04.20 #define CULL_SMALL 14.21 #define CULL_CCW 24.22 @@ -246,11 +241,6 @@4.23 } while( 1 );4.24 }4.26 -void render_autosort_tile( pvraddr_t tile_entry, int render_mode, gboolean cheap_modifier_mode ) {4.27 - //WARN( "Autosort not implemented yet" );4.28 - render_tile( tile_entry, render_mode, cheap_modifier_mode );4.29 -}4.30 -4.31 void pvr2_render_tilebuffer( int width, int height, int clipx1, int clipy1,4.32 int clipx2, int clipy2 ) {4.34 @@ -262,7 +252,7 @@4.35 int isp_config = MMIO_READ( PVR2, RENDER_ISPCFG );4.36 int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW );4.38 - if( obj_config & 0x00200000 ) {4.39 + if( (obj_config & 0x00200000) == 0 ) {4.40 if( isp_config & 1 ) {4.41 tile_sort = 0;4.42 } else {4.43 @@ -314,7 +304,8 @@4.44 if( (segment->transmod_ptr & NO_POINTER) == 0 ) {4.45 /* TODO */4.46 }4.47 - if( tile_sort == 2 || (tile_sort == 1 && (segment->control & SEGMENT_SORT_TRANS)) ) {4.48 + if( tile_sort == 2 ||4.49 + (tile_sort == 1 && ((segment->control & SEGMENT_SORT_TRANS)==0)) ) {4.50 render_autosort_tile( segment->trans_ptr, RENDER_NORMAL, cheap_shadow );4.51 } else {4.52 render_tile( segment->trans_ptr, RENDER_NORMAL, cheap_shadow );
5.1 --- a/src/pvr2/render.c Tue Sep 12 08:38:38 2006 +00005.2 +++ b/src/pvr2/render.c Tue Sep 12 11:54:19 2006 +00005.3 @@ -1,5 +1,5 @@5.4 /**5.5 - * $Id: render.c,v 1.14 2006-09-12 08:38:38 nkeynes Exp $5.6 + * $Id: render.c,v 1.15 2006-09-12 11:54:19 nkeynes Exp $5.7 *5.8 * PVR2 Renderer support. This part is primarily5.9 *5.10 @@ -213,10 +213,6 @@5.11 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );5.12 }5.14 -5.15 -#define MIN3( a,b,c ) ((a) < (b) ? ( (a) < (c) ? (a) : (c) ) : ((b) < (c) ? (b) : (c)) )5.16 -#define MAX3( a,b,c ) ((a) > (b) ? ( (a) > (c) ? (a) : (c) ) : ((b) > (c) ? (b) : (c)) )5.17 -5.18 /**5.19 * Render a complete scene into the OpenGL back buffer.5.20 * Note: this will probably need to be broken up eventually once timings are
6.1 --- /dev/null Thu Jan 01 00:00:00 1970 +00006.2 +++ b/src/pvr2/rendsort.c Tue Sep 12 11:54:19 2006 +00006.3 @@ -0,0 +1,243 @@6.4 +/**6.5 + * $Id: rendsort.c,v 1.1 2006-09-12 11:54:19 nkeynes Exp $6.6 + *6.7 + * PVR2 renderer routines for depth sorted polygons6.8 + *6.9 + * Copyright (c) 2005 Nathan Keynes.6.10 + *6.11 + * This program is free software; you can redistribute it and/or modify6.12 + * it under the terms of the GNU General Public License as published by6.13 + * the Free Software Foundation; either version 2 of the License, or6.14 + * (at your option) any later version.6.15 + *6.16 + * This program is distributed in the hope that it will be useful,6.17 + * but WITHOUT ANY WARRANTY; without even the implied warranty of6.18 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the6.19 + * GNU General Public License for more details.6.20 + */6.21 +#include <sys/time.h>6.22 +#include "pvr2/pvr2.h"6.23 +#include "asic.h"6.24 +6.25 +extern char *video_base;6.26 +6.27 +#define MIN3( a,b,c ) ((a) < (b) ? ( (a) < (c) ? (a) : (c) ) : ((b) < (c) ? (b) : (c)) )6.28 +#define MAX3( a,b,c ) ((a) > (b) ? ( (a) > (c) ? (a) : (c) ) : ((b) > (c) ? (b) : (c)) )6.29 +6.30 +struct pvr_vertex {6.31 + float x,y,z;6.32 + uint32_t detail[1];6.33 +};6.34 +6.35 +struct render_triangle {6.36 + uint32_t *polygon;6.37 + int vertex_length;6.38 + float minx,miny,minz;6.39 + float maxx,maxy,maxz;6.40 + float *vertexes[3];6.41 +};6.42 +6.43 +/**6.44 + * Count the number of triangles in the list starting at the given6.45 + * pvr memory address.6.46 + */6.47 +int render_count_triangles( pvraddr_t tile_entry ) {6.48 + uint32_t *tile_list = (uint32_t *)(video_base+tile_entry);6.49 + int count = 0;6.50 + while(1) {6.51 + uint32_t entry = *tile_list++;6.52 + if( entry >> 28 == 0x0F ) {6.53 + break;6.54 + } else if( entry >> 28 == 0x0E ) {6.55 + tile_list = (uint32_t *)(video_base+(entry&0x007FFFFF));6.56 + } else if( entry >> 29 == 0x04 ) { /* Triangle array */6.57 + count += ((entry >> 25) & 0x0F)+1;6.58 + } else if( entry >> 29 == 0x05 ) { /* Quad array */6.59 + count += ((((entry >> 25) & 0x0F)+1)<<1);6.60 + } else { /* Polygon */6.61 + int i;6.62 + for( i=0; i<6; i++ ) {6.63 + if( entry & (0x40000000>>i) ) {6.64 + count++;6.65 + }6.66 + }6.67 + }6.68 + }6.69 + return count;6.70 +}6.71 +6.72 +static void compute_triangle_boxes( struct render_triangle *triangle, int num_triangles )6.73 +{6.74 + int i;6.75 + for( i=0; i<num_triangles; i++ ) {6.76 + triangle[i].minx = MIN3(triangle[i].vertexes[0][0],triangle[i].vertexes[1][0],triangle[i].vertexes[2][0]);6.77 + triangle[i].maxx = MAX3(triangle[i].vertexes[0][0],triangle[i].vertexes[1][0],triangle[i].vertexes[2][0]);6.78 + triangle[i].miny = MIN3(triangle[i].vertexes[0][1],triangle[i].vertexes[1][1],triangle[i].vertexes[2][1]);6.79 + triangle[i].maxy = MAX3(triangle[i].vertexes[0][1],triangle[i].vertexes[1][1],triangle[i].vertexes[2][1]);6.80 + triangle[i].minz = MIN3(triangle[i].vertexes[0][2],triangle[i].vertexes[1][2],triangle[i].vertexes[2][2]);6.81 + triangle[i].maxz = MAX3(triangle[i].vertexes[0][2],triangle[i].vertexes[1][2],triangle[i].vertexes[2][2]);6.82 + }6.83 +}6.84 +6.85 +void render_extract_triangles( pvraddr_t tile_entry, gboolean cheap_modifier_mode,6.86 + struct render_triangle *triangles )6.87 +{6.88 + uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE);6.89 + uint32_t *tile_list = (uint32_t *)(video_base+tile_entry);6.90 + int count = 0;6.91 + while(1) {6.92 + uint32_t entry = *tile_list++;6.93 + if( entry >> 28 == 0x0F ) {6.94 + break;6.95 + } else if( entry >> 28 == 0x0E ) {6.96 + tile_list = (uint32_t *)(video_base+(entry&0x007FFFFF));6.97 + } else {6.98 + uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2));6.99 + int is_modified = entry & 0x01000000;6.100 + int vertex_length = (entry >> 21) & 0x07;6.101 + int context_length = 3;6.102 + if( is_modified && !cheap_modifier_mode ) {6.103 + context_length = 5;6.104 + vertex_length *= 2 ;6.105 + }6.106 + vertex_length += 3;6.107 +6.108 + if( (entry & 0xE0000000) == 0x80000000 ) {6.109 + /* Triangle(s) */6.110 + int strip_count = ((entry >> 25) & 0x0F)+1;6.111 + int polygon_length = 3 * vertex_length + context_length;6.112 + int i;6.113 + for( i=0; i<strip_count; i++ ) {6.114 + float *vertex = (float *)(polygon+context_length);6.115 + triangles[count].polygon = polygon;6.116 + triangles[count].vertex_length = vertex_length;6.117 + triangles[count].vertexes[0] = vertex;6.118 + vertex+=vertex_length;6.119 + triangles[count].vertexes[1] = vertex;6.120 + vertex+=vertex_length;6.121 + triangles[count].vertexes[2] = vertex;6.122 + polygon += polygon_length;6.123 + count++;6.124 + }6.125 + } else if( (entry & 0xE0000000) == 0xA0000000 ) {6.126 + /* Sprite(s) */6.127 + int strip_count = (entry >> 25) & 0x0F;6.128 + int polygon_length = 4 * vertex_length + context_length;6.129 + int i;6.130 + for( i=0; i<strip_count; i++ ) {6.131 + float *vertex = (float *)(polygon+context_length);6.132 + triangles[count].polygon = polygon;6.133 + triangles[count].vertex_length = vertex_length;6.134 + triangles[count].vertexes[0] = vertex;6.135 + vertex+=vertex_length;6.136 + triangles[count].vertexes[1] = vertex;6.137 + vertex+=vertex_length;6.138 + triangles[count].vertexes[2] = vertex;6.139 + count++;6.140 + /* Preserve face direction */6.141 + triangles[count].polygon = polygon;6.142 + triangles[count].vertex_length = vertex_length;6.143 + triangles[count].vertexes[0] = vertex;6.144 + triangles[count].vertexes[1] = vertex - vertex_length;6.145 + triangles[count].vertexes[2] = vertex + vertex_length;6.146 + count++;6.147 + polygon += polygon_length;6.148 + }6.149 + } else {6.150 + /* Polygon */6.151 + int i, first=-1, last = -1;6.152 + float *vertex = (float *)polygon+context_length;6.153 + for( i=0; i<6; i++ ) {6.154 + if( entry & (0x40000000>>i) ) {6.155 + triangles[count].polygon = polygon;6.156 + triangles[count].vertex_length = vertex_length;6.157 + if( i&1 ) {6.158 + triangles[count].vertexes[0] = vertex + vertex_length;6.159 + triangles[count].vertexes[1] = vertex;6.160 + triangles[count].vertexes[2] = vertex + (vertex_length<<1);6.161 + } else {6.162 + triangles[count].vertexes[0] = vertex;6.163 + triangles[count].vertexes[1] = vertex + vertex_length;6.164 + triangles[count].vertexes[2] = vertex + (vertex_length<<1);6.165 + }6.166 + count++;6.167 + }6.168 + vertex += vertex_length;6.169 + }6.170 + }6.171 + }6.172 + }6.173 +}6.174 +6.175 +void render_triangles( struct render_triangle *triangles, int num_triangles,6.176 + int render_mode )6.177 +{6.178 + int i,j, m = 0;6.179 + for( i=0; i<num_triangles; i++ ) {6.180 + render_set_context( triangles[i].polygon, render_mode );6.181 + if( render_mode == RENDER_FULLMOD ) {6.182 + m = (triangles[i].vertex_length - 3)/2;6.183 + }6.184 +6.185 + glBegin( GL_TRIANGLE_STRIP );6.186 +6.187 + for( j=0; j<3; j++ ) {6.188 + uint32_t *vertexes = (uint32_t *)triangles[i].vertexes[j];6.189 + float *vertexf = (float *)vertexes;6.190 + uint32_t argb;6.191 + if( POLY1_TEXTURED(*triangles[i].polygon) ) {6.192 + if( POLY1_UV16(*triangles[i].polygon) ) {6.193 + glTexCoord2f( halftofloat(vertexes[m+3]>>16),6.194 + halftofloat(vertexes[m+3]) );6.195 + argb = vertexes[m+4];6.196 + } else {6.197 + glTexCoord2f( vertexf[m+3], vertexf[m+4] );6.198 + argb = vertexes[m+5];6.199 + }6.200 + } else {6.201 + argb = vertexes[m+3];6.202 + }6.203 +6.204 + glColor4ub( (GLubyte)(argb >> 16), (GLubyte)(argb >> 8),6.205 + (GLubyte)argb, (GLubyte)(argb >> 24) );6.206 + glVertex3f( vertexf[0], vertexf[1], vertexf[2] );6.207 + }6.208 + glEnd();6.209 + }6.210 +6.211 +6.212 +}6.213 +6.214 +int compare_triangles( void *a, void *b )6.215 +{6.216 + struct render_triangle *tri1 = a;6.217 + struct render_triangle *tri2 = b;6.218 + if( tri1->minz < tri2->minz ) {6.219 + return -1;6.220 + } else if( tri1->minz > tri2->minz ) {6.221 + return 1;6.222 + } else {6.223 + return 0;6.224 + }6.225 +}6.226 +6.227 +void sort_triangles( struct render_triangle *triangles, int num_triangles )6.228 +{6.229 + qsort( triangles, num_triangles, sizeof(struct render_triangle), compare_triangles );6.230 +}6.231 +6.232 +void render_autosort_tile( pvraddr_t tile_entry, int render_mode, gboolean cheap_modifier_mode )6.233 +{6.234 + int num_triangles = render_count_triangles(tile_entry);6.235 + if( num_triangles == 0 ) {6.236 + return; /* nothing to do */6.237 + } else if( num_triangles == 1 ) { /* Triangle can hardly overlap with itself */6.238 + render_tile( tile_entry, render_mode, cheap_modifier_mode );6.239 + } else { /* Ooh boy here we go... */6.240 + struct render_triangle triangles[num_triangles];6.241 + render_extract_triangles(tile_entry, cheap_modifier_mode, triangles);6.242 + compute_triangle_boxes(triangles, num_triangles);6.243 + sort_triangles( triangles, num_triangles );6.244 + render_triangles(triangles, num_triangles, render_mode);6.245 + }6.246 +}
.