lxdream 0.9.1| filename | src/pvr2/rendcore.c |
| changeset | 319:5392aed6a982 |
| prev | 318:363935d31859 |
| next | 322:354407942957 |
| author | nkeynes |
| date | Thu Jan 25 08:16:02 2007 +0000 (17 years ago) |
| permissions | -rw-r--r-- |
| last change | Fix 16-bit palettes Up texture count to 128 |
| file | annotate | diff | log | raw |
1.1 --- a/src/pvr2/rendcore.c Tue Jan 23 12:03:57 2007 +00001.2 +++ b/src/pvr2/rendcore.c Thu Jan 25 08:16:02 2007 +00001.3 @@ -1,5 +1,5 @@1.4 /**1.5 - * $Id: rendcore.c,v 1.11 2007-01-23 12:03:57 nkeynes Exp $1.6 + * $Id: rendcore.c,v 1.12 2007-01-24 08:11:14 nkeynes Exp $1.7 *1.8 * PVR2 renderer core.1.9 *1.10 @@ -158,8 +158,151 @@1.12 }1.14 -void render_vertexes( uint32_t poly1, uint32_t *vertexes, int num_vertexes, int vertex_size,1.15 - int render_mode )1.16 +#define FARGB_A(x) (((float)(((x)>>24)+1))/256.0)1.17 +#define FARGB_R(x) (((float)((((x)>>16)&0xFF)+1))/256.0)1.18 +#define FARGB_G(x) (((float)((((x)>>8)&0xFF)+1))/256.0)1.19 +#define FARGB_B(x) (((float)(((x)&0xFF)+1))/256.0)1.20 +1.21 +void render_unpack_vertexes( struct vertex_unpacked *out, uint32_t poly1,1.22 + uint32_t *vertexes, int num_vertexes,1.23 + int vertex_size, int render_mode )1.24 +{1.25 + int m = 0, i;1.26 + if( render_mode == RENDER_FULLMOD ) {1.27 + m = (vertex_size - 3)/2;1.28 + }1.29 +1.30 + for( i=0; i<num_vertexes; i++ ) {1.31 + float *vertexf = (float *)vertexes;1.32 + int k = m + 3;1.33 + out[i].x = vertexf[0];1.34 + out[i].y = vertexf[1];1.35 + out[i].z = vertexf[2];1.36 + if( POLY1_TEXTURED(poly1) ) {1.37 + if( POLY1_UV16(poly1) ) {1.38 + out[i].u = halftofloat(vertexes[k]>>16);1.39 + out[i].v = halftofloat(vertexes[k]);1.40 + k++;1.41 + } else {1.42 + out[i].u = vertexf[k];1.43 + out[i].v = vertexf[k+1];1.44 + k+=2;1.45 + }1.46 + } else {1.47 + out[i].u = 0;1.48 + out[i].v = 0;1.49 + }1.50 + uint32_t argb = vertexes[k++];1.51 + out[i].rgba[0] = FARGB_R(argb);1.52 + out[i].rgba[1] = FARGB_G(argb);1.53 + out[i].rgba[2] = FARGB_B(argb);1.54 + out[i].rgba[3] = FARGB_A(argb);1.55 + if( POLY1_SPECULAR(poly1) ) {1.56 + uint32_t offset = vertexes[k++];1.57 + out[i].offset_rgba[0] = FARGB_R(argb);1.58 + out[i].offset_rgba[1] = FARGB_G(argb);1.59 + out[i].offset_rgba[2] = FARGB_B(argb);1.60 + out[i].offset_rgba[3] = FARGB_A(argb);1.61 + }1.62 + vertexes += vertex_size;1.63 + }1.64 +}1.65 +1.66 +/**1.67 + * Unpack the vertexes for a quad, calculating the values for the last1.68 + * vertex.1.69 + * FIXME: Integrate this with rendbkg somehow1.70 + */1.71 +void render_unpack_quad( struct vertex_unpacked *unpacked, uint32_t poly1,1.72 + uint32_t *vertexes, int vertex_size,1.73 + int render_mode )1.74 +{1.75 + int i;1.76 + struct vertex_unpacked diff0, diff1;1.77 +1.78 + render_unpack_vertexes( unpacked, poly1, vertexes, 3, vertex_size, render_mode );1.79 +1.80 + diff0.x = unpacked[0].x - unpacked[1].x;1.81 + diff0.y = unpacked[0].y - unpacked[1].y;1.82 + diff1.x = unpacked[2].x - unpacked[1].x;1.83 + diff1.y = unpacked[2].y - unpacked[1].y;1.84 +1.85 + float detxy = ((diff1.y) * (diff0.x)) - ((diff0.y) * (diff1.x));1.86 + float *vertexf = (float *)(vertexes+(vertex_size*3));1.87 + if( detxy == 0 ) {1.88 + memcpy( &unpacked[3], &unpacked[2], sizeof(struct vertex_unpacked) );1.89 + unpacked[3].x = vertexf[0];1.90 + unpacked[3].y = vertexf[1];1.91 + return;1.92 + }1.93 +1.94 + unpacked[3].x = vertexf[0];1.95 + unpacked[3].y = vertexf[1];1.96 + float t = ((unpacked[3].x - unpacked[1].x) * diff1.y -1.97 + (unpacked[3].y - unpacked[1].y) * diff1.x) / detxy;1.98 + float s = ((unpacked[3].y - unpacked[1].y) * diff0.x -1.99 + (unpacked[3].x - unpacked[1].x) * diff0.y) / detxy;1.100 + diff0.z = unpacked[0].z - unpacked[1].z;1.101 + diff1.z = unpacked[2].z - unpacked[1].z;1.102 + unpacked[3].z = unpacked[1].z + (t*diff0.z) + (s*diff1.z);1.103 +1.104 + diff0.u = unpacked[0].u - unpacked[1].u;1.105 + diff0.v = unpacked[0].v - unpacked[1].v;1.106 + diff1.u = unpacked[2].u - unpacked[1].u;1.107 + diff1.v = unpacked[2].v - unpacked[1].v;1.108 + unpacked[3].u = unpacked[1].u + (t*diff0.u) + (s*diff1.u);1.109 + unpacked[3].v = unpacked[1].v + (t*diff0.v) + (s*diff1.v);1.110 +1.111 + if( !POLY1_GOURAUD_SHADED(poly1) ) {1.112 + memcpy( unpacked[3].rgba, unpacked[2].rgba, sizeof(unpacked[2].rgba) );1.113 + memcpy( unpacked[3].offset_rgba, unpacked[2].offset_rgba, sizeof(unpacked[2].offset_rgba) );1.114 + } else {1.115 + for( i=0; i<4; i++ ) {1.116 + float d0 = unpacked[0].rgba[i] - unpacked[1].rgba[i];1.117 + float d1 = unpacked[2].rgba[i] - unpacked[1].rgba[i];1.118 + unpacked[3].rgba[i] = unpacked[1].rgba[i] + (t*d0) + (s*d1);1.119 + d0 = unpacked[0].offset_rgba[i] - unpacked[1].offset_rgba[i];1.120 + d1 = unpacked[2].offset_rgba[i] - unpacked[1].offset_rgba[i];1.121 + unpacked[3].offset_rgba[i] = unpacked[1].offset_rgba[i] + (t*d0) + (s*d1);1.122 + }1.123 + }1.124 +}1.125 +1.126 +void render_unpacked_vertex_array( uint32_t poly1, struct vertex_unpacked *vertexes[],1.127 + int num_vertexes ) {1.128 + int i;1.129 +1.130 + glBegin( GL_TRIANGLE_STRIP );1.131 +1.132 + for( i=0; i<num_vertexes; i++ ) {1.133 + if( POLY1_TEXTURED(poly1) ) {1.134 + glTexCoord2f( vertexes[i]->u, vertexes[i]->v );1.135 + }1.136 +1.137 + glColor4f( vertexes[i]->rgba[0], vertexes[i]->rgba[1], vertexes[i]->rgba[2],1.138 + (pvr2_force_fragment_alpha ? 1.0 : vertexes[i]->rgba[3]) );1.139 +1.140 + if( POLY1_SPECULAR(poly1) ) {1.141 + glSecondaryColor3fEXT( vertexes[i]->offset_rgba[0],1.142 + vertexes[i]->offset_rgba[1],1.143 + vertexes[i]->offset_rgba[2] );1.144 + }1.145 + glVertex3f( vertexes[i]->x, vertexes[i]->y, vertexes[i]->z );1.146 + }1.147 +1.148 + glEnd();1.149 +}1.150 +1.151 +void render_quad_vertexes( uint32_t poly1, uint32_t *vertexes, int vertex_size, int render_mode )1.152 +{1.153 + struct vertex_unpacked unpacked[4];1.154 + struct vertex_unpacked *pt[4] = {&unpacked[0], &unpacked[1], &unpacked[3], &unpacked[2]};1.155 + render_unpack_quad( unpacked, poly1, vertexes, vertex_size, render_mode );1.156 + render_unpacked_vertex_array( poly1, pt, 4 );1.157 +}1.158 +1.159 +void render_vertex_array( uint32_t poly1, uint32_t *vert_array[], int num_vertexes, int vertex_size,1.160 + int render_mode )1.161 {1.162 int i, m=0;1.164 @@ -170,7 +313,8 @@1.165 glBegin( GL_TRIANGLE_STRIP );1.167 for( i=0; i<num_vertexes; i++ ) {1.168 - float *vertexf = (float *)vertexes;1.169 + uint32_t *vertexes = vert_array[i];1.170 + float *vertexf = (float *)vert_array[i];1.171 uint32_t argb;1.172 int k = m + 3;1.173 if( POLY1_TEXTURED(poly1) ) {1.174 @@ -205,6 +349,18 @@1.175 glEnd();1.176 }1.178 +void render_vertexes( uint32_t poly1, uint32_t *vertexes, int num_vertexes, int vertex_size,1.179 + int render_mode )1.180 +{1.181 + uint32_t *vert_array[num_vertexes];1.182 + int i;1.183 + for( i=0; i<num_vertexes; i++ ) {1.184 + vert_array[i] = vertexes;1.185 + vertexes += vertex_size;1.186 + }1.187 + render_vertex_array( poly1, vert_array, num_vertexes, vertex_size, render_mode );1.188 +}1.189 +1.190 /**1.191 * Render a simple (not auto-sorted) tile1.192 */1.193 @@ -241,13 +397,13 @@1.194 }1.195 } else if( (entry & 0xE0000000) == 0xA0000000 ) {1.196 /* Sprite(s) */1.197 - int strip_count = (entry >> 25) & 0x0F;1.198 + int strip_count = ((entry >> 25) & 0x0F)+1;1.199 int polygon_length = 4 * vertex_length + context_length;1.200 int i;1.201 for( i=0; i<strip_count; i++ ) {1.202 render_set_context( polygon, render_mode );1.203 - render_vertexes( *polygon, polygon+context_length, 4, vertex_length,1.204 - render_mode );1.205 + render_quad_vertexes( *polygon, polygon+context_length, vertex_length,1.206 + render_mode );1.207 polygon += polygon_length;1.208 }1.209 } else {
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