diff options
Diffstat (limited to 'src/mesa/pipe/draw/draw_vf.c')
| -rw-r--r-- | src/mesa/pipe/draw/draw_vf.c | 171 |
1 files changed, 145 insertions, 26 deletions
diff --git a/src/mesa/pipe/draw/draw_vf.c b/src/mesa/pipe/draw/draw_vf.c index 64d9ed02a9..0da8e59ad6 100644 --- a/src/mesa/pipe/draw/draw_vf.c +++ b/src/mesa/pipe/draw/draw_vf.c @@ -26,6 +26,8 @@ */ +#include <stddef.h> + #include "pipe/p_compiler.h" #include "pipe/p_util.h" @@ -151,10 +153,11 @@ static void choose_emit_func( struct draw_vertex_fetch *vf, -unsigned draw_vf_set_vertex_attributes( struct draw_vertex_fetch *vf, - const struct draw_vf_attr_map *map, - unsigned nr, - unsigned vertex_stride ) +static unsigned +draw_vf_set_vertex_attributes( struct draw_vertex_fetch *vf, + const struct draw_vf_attr_map *map, + unsigned nr, + unsigned vertex_stride ) { unsigned offset = 0; unsigned i, j; @@ -202,6 +205,133 @@ unsigned draw_vf_set_vertex_attributes( struct draw_vertex_fetch *vf, } +void draw_vf_set_vertex_info( struct draw_vertex_fetch *vf, + const struct vertex_info *vinfo, + float point_size ) +{ + unsigned i, j, k; + struct draw_vf_attr *a = vf->attr; + struct draw_vf_attr_map attrs[PIPE_MAX_SHADER_INPUTS]; + unsigned count = 0; /* for debug/sanity */ + unsigned nr_attrs = 0; + + for (i = 0; i < vinfo->num_attribs; i++) { + j = vinfo->src_index[i]; + switch (vinfo->emit[i]) { + case EMIT_OMIT: + /* no-op */ + break; + case EMIT_ALL: { + /* just copy the whole vertex as-is to the vbuf */ + unsigned s = vinfo->size; + assert(i == 0); + assert(j == 0); + /* copy the vertex header */ + /* XXX: we actually don't copy the header, just pad it */ + attrs[nr_attrs].attrib = 0; + attrs[nr_attrs].format = DRAW_EMIT_PAD; + attrs[nr_attrs].offset = offsetof(struct vertex_header, data); + s -= offsetof(struct vertex_header, data)/4; + count += offsetof(struct vertex_header, data)/4; + nr_attrs++; + /* copy the vertex data */ + for(k = 0; k < (s & ~0x3); k += 4) { + attrs[nr_attrs].attrib = k/4; + attrs[nr_attrs].format = DRAW_EMIT_4F; + attrs[nr_attrs].offset = 0; + nr_attrs++; + count += 4; + } + /* tail */ + /* XXX: actually, this shouldn't be needed */ + attrs[nr_attrs].attrib = k/4; + attrs[nr_attrs].offset = 0; + switch(s & 0x3) { + case 0: + break; + case 1: + attrs[nr_attrs].format = DRAW_EMIT_1F; + nr_attrs++; + count += 1; + break; + case 2: + attrs[nr_attrs].format = DRAW_EMIT_2F; + nr_attrs++; + count += 2; + break; + case 3: + attrs[nr_attrs].format = DRAW_EMIT_3F; + nr_attrs++; + count += 3; + break; + } + break; + } + case EMIT_1F: + attrs[nr_attrs].attrib = j; + attrs[nr_attrs].format = DRAW_EMIT_1F; + attrs[nr_attrs].offset = 0; + nr_attrs++; + count++; + break; + case EMIT_1F_PSIZE: + attrs[nr_attrs].attrib = j; + attrs[nr_attrs].format = DRAW_EMIT_1F_CONST; + attrs[nr_attrs].offset = 0; + attrs[nr_attrs].data.f[0] = point_size; + nr_attrs++; + count++; + break; + case EMIT_2F: + attrs[nr_attrs].attrib = j; + attrs[nr_attrs].format = DRAW_EMIT_2F; + attrs[nr_attrs].offset = 0; + nr_attrs++; + count += 2; + break; + case EMIT_3F: + attrs[nr_attrs].attrib = j; + attrs[nr_attrs].format = DRAW_EMIT_3F; + attrs[nr_attrs].offset = 0; + nr_attrs++; + count += 3; + break; + case EMIT_4F: + attrs[nr_attrs].attrib = j; + attrs[nr_attrs].format = DRAW_EMIT_4F; + attrs[nr_attrs].offset = 0; + nr_attrs++; + count += 4; + break; + case EMIT_4UB: + attrs[nr_attrs].attrib = j; + attrs[nr_attrs].format = DRAW_EMIT_4UB_4F_BGRA; + attrs[nr_attrs].offset = 0; + nr_attrs++; + count += 1; + break; + default: + assert(0); + } + } + + assert(count == vinfo->size); + + draw_vf_set_vertex_attributes(vf, + attrs, + nr_attrs, + vinfo->size * sizeof(float) ); + + for (j = 0; j < vf->attr_count; j++) { + a[j].inputsize = 4; + a[j].do_insert = a[j].insert[4 - 1]; + if(a[j].isconst) { + a[j].inputptr = a[j].data; + a[j].inputstride = 0; + } + } +} + #if 0 /* Set attribute pointers, adjusted for start position: @@ -229,38 +359,27 @@ void draw_vf_set_sources( struct draw_vertex_fetch *vf, #endif -/* Set attribute pointers, adjusted for start position: +/** + * Emit a vertex to dest. */ -void draw_vf_set_data( struct draw_vertex_fetch *vf, - float data[][4]) +void draw_vf_emit_vertex( struct draw_vertex_fetch *vf, + struct vertex_header *vertex, + void *dest ) { struct draw_vf_attr *a = vf->attr; unsigned j; for (j = 0; j < vf->attr_count; j++) { - a[j].inputstride = 0; /* XXX: one-vertex-max ATM */ - a[j].inputsize = 4; - a[j].do_insert = a[j].insert[4 - 1]; - if(a[j].isconst) - a[j].inputptr = a[j].data; - else - a[j].inputptr = (uint8_t *)&data[a[j].attrib][0]; + if(!a[j].isconst) { + a[j].inputptr = (uint8_t *)&vertex->data[a[j].attrib][0]; + a[j].inputstride = 0; /* XXX: one-vertex-max ATM */ + } } + + vf->emit( vf, 1, (uint8_t*) dest ); } -/* Emit count VB vertices to dest. - */ -void draw_vf_emit_vertices( struct draw_vertex_fetch *vf, - unsigned count, - void *dest ) -{ - vf->emit( vf, count, (uint8_t*) dest ); -} - - - - struct draw_vertex_fetch *draw_vf_create( void ) { |