diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c | 163 |
1 files changed, 50 insertions, 113 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c index 94e7d01be4..4c2a281b29 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c @@ -72,6 +72,8 @@ struct fetch_pipeline_middle_end { struct draw_pt_middle_end base; struct draw_context *draw; + void (*header)( unsigned idx, float **out); + struct { const ubyte *ptr; unsigned pitch; @@ -85,12 +87,6 @@ struct fetch_pipeline_middle_end { }; -static void fetch_NULL( const void *from, - float *attrib ) -{ -} - - static void emit_R32_FLOAT( const float *attrib, float **out ) @@ -126,10 +122,16 @@ static void emit_R32G32B32A32_FLOAT( const float *attrib, (*out) += 4; } -static void emit_header( const float *attrib, - float **out ) +static void header( unsigned idx, + float **out ) { - (*out)[0] = 0; + struct vertex_header *header = (struct vertex_header *) (*out); + + header->clipmask = 0; + header->edgeflag = 1; + header->pad = 0; + header->vertex_id = UNDEFINED_VERTEX_ID; + (*out)[1] = 0; (*out)[2] = 0; (*out)[3] = 0; @@ -137,6 +139,27 @@ static void emit_header( const float *attrib, (*out) += 5; } + +static void header_ef( unsigned idx, + float **out ) +{ + struct vertex_header *header = (struct vertex_header *) (*out); + + /* XXX: need a reset_stipple flag in the vertex header too? + */ + header->clipmask = 0; + header->edgeflag = (idx & DRAW_PT_EDGEFLAG) != 0; + header->pad = 0; + header->vertex_id = UNDEFINED_VERTEX_ID; + + (*out)[1] = 0; + (*out)[2] = 0; + (*out)[3] = 0; + (*out)[3] = 1; + (*out) += 5; +} + + /** * General-purpose fetch from user's vertex arrays, emit to driver's * vertex buffer. @@ -155,6 +178,9 @@ fetch_store_general( struct fetch_pipeline_middle_end *fpme, for (i = 0; i < count; i++) { unsigned elt = fetch_elts[i]; + fpme->header( elt, &out ); + elt &= ~DRAW_PT_FLAG_MASK; + for (j = 0; j < fpme->nr_fetch; j++) { float attrib[4]; const ubyte *from = (fpme->fetch[j].ptr + @@ -194,12 +220,11 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, /* Emit the vertex header and empty clipspace coord field: */ - { - fpme->fetch[nr].ptr = NULL; - fpme->fetch[nr].pitch = 0; - fpme->fetch[nr].fetch = fetch_NULL; - fpme->fetch[nr].emit = emit_header; - nr++; + if (draw->user.edgeflag) { + fpme->header = header_ef; + } + else { + fpme->header = header; } @@ -226,100 +251,7 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, } fpme->nr_fetch = nr; - fpme->pipeline_vertex_size = (5 + (nr-1) * 4) * sizeof(float); -} - - - -/** - * Add a point to the primitive queue. - * \param i0 index into user's vertex arrays - */ -static void do_point( struct draw_context *draw, - const char *v0 ) -{ - struct prim_header prim; - - prim.reset_line_stipple = 0; - prim.edgeflags = 1; - prim.pad = 0; - prim.v[0] = (struct vertex_header *)v0; - - draw->pipeline.first->point( draw->pipeline.first, &prim ); -} - - -/** - * Add a line to the primitive queue. - * \param i0 index into user's vertex arrays - * \param i1 index into user's vertex arrays - */ -static void do_line( struct draw_context *draw, - const char *v0, - const char *v1 ) -{ - struct prim_header prim; - - prim.reset_line_stipple = 1; /* fixme */ - prim.edgeflags = 1; - prim.pad = 0; - prim.v[0] = (struct vertex_header *)v0; - prim.v[1] = (struct vertex_header *)v1; - - draw->pipeline.first->line( draw->pipeline.first, &prim ); -} - -/** - * Add a triangle to the primitive queue. - */ -static void do_triangle( struct draw_context *draw, - char *v0, - char *v1, - char *v2 ) -{ - struct prim_header prim; - -// _mesa_printf("tri %d %d %d\n", i0, i1, i2); - prim.reset_line_stipple = 1; - prim.edgeflags = ~0; - prim.pad = 0; - prim.v[0] = (struct vertex_header *)v0; - prim.v[1] = (struct vertex_header *)v1; - prim.v[2] = (struct vertex_header *)v2; - - draw->pipeline.first->tri( draw->pipeline.first, &prim ); -} - - -static void run_pipeline( struct fetch_pipeline_middle_end *fpme, - char *verts, - const ushort *elts, - unsigned count ) -{ - struct draw_context *draw = fpme->draw; - unsigned stride = fpme->pipeline_vertex_size; - unsigned i; - - switch (fpme->prim) { - case PIPE_PRIM_POINTS: - for (i = 0; i < count; i++) - do_point( draw, - verts + stride * elts[i] ); - break; - case PIPE_PRIM_LINES: - for (i = 0; i+1 < count; i += 2) - do_line( draw, - verts + stride * elts[i+0], - verts + stride * elts[i+1]); - break; - case PIPE_PRIM_TRIANGLES: - for (i = 0; i+2 < count; i += 3) - do_triangle( draw, - verts + stride * elts[i+0], - verts + stride * elts[i+1], - verts + stride * elts[i+2]); - break; - } + fpme->pipeline_vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float); } @@ -351,10 +283,15 @@ static void fetch_pipeline_run( struct draw_pt_middle_end *middle, fetch_count ); - run_pipeline( fpme, - pipeline_verts, - draw_elts, - draw_count ); + /* Run the pipeline + */ + draw_pt_run_pipeline( fpme->draw, + fpme->prim, + pipeline_verts, + fpme->pipeline_vertex_size, + fetch_count, + draw_elts, + draw_count ); /* Done -- that was easy, wasn't it: |