X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Fdraw%2Fdraw_pipe.c;h=8cd75ecf9a36b12be06fcd69e36a557694476d3e;hb=959a458ea01d5fa4274bdd439da114b42d3b86d3;hp=2e3f5b2fc07f6ffcbf9c5cf70f208e89ae2eebf8;hpb=28471cfa970702128d822c2ecbb1703eedbca245;p=mesa.git diff --git a/src/gallium/auxiliary/draw/draw_pipe.c b/src/gallium/auxiliary/draw/draw_pipe.c index 2e3f5b2fc07..8cd75ecf9a3 100644 --- a/src/gallium/auxiliary/draw/draw_pipe.c +++ b/src/gallium/auxiliary/draw/draw_pipe.c @@ -32,6 +32,7 @@ #include "draw/draw_private.h" #include "draw/draw_pipe.h" +#include "util/u_debug.h" @@ -65,6 +66,7 @@ boolean draw_pipeline_init( struct draw_context *draw ) /* these defaults are oriented toward the needs of softpipe */ draw->pipeline.wide_point_threshold = 1000000.0; /* infinity */ draw->pipeline.wide_line_threshold = 1.0; + draw->pipeline.wide_point_sprites = FALSE; draw->pipeline.line_stipple = TRUE; draw->pipeline.point_sprite = TRUE; @@ -106,10 +108,9 @@ void draw_pipeline_destroy( struct draw_context *draw ) - - - - +/** + * Build primitive to render a point with vertex at v0. + */ static void do_point( struct draw_context *draw, const char *v0 ) { @@ -123,6 +124,10 @@ static void do_point( struct draw_context *draw, } +/** + * Build primitive to render a line with vertices at v0, v1. + * \param flags bitmask of DRAW_PIPE_EDGE_x, DRAW_PIPE_RESET_STIPPLE + */ static void do_line( struct draw_context *draw, ushort flags, const char *v0, @@ -139,6 +144,10 @@ static void do_line( struct draw_context *draw, } +/** + * Build primitive to render a triangle with vertices at v0, v1, v2. + * \param flags bitmask of DRAW_PIPE_EDGE_x, DRAW_PIPE_RESET_STIPPLE + */ static void do_triangle( struct draw_context *draw, ushort flags, char *v0, @@ -157,9 +166,86 @@ static void do_triangle( struct draw_context *draw, } +/* + * Set up macros for draw_pt_decompose.h template code. + * This code uses vertex indexes / elements. + */ + +/* emit first quad vertex as first vertex in triangles */ +#define QUAD_FIRST_PV(i0,i1,i2,i3) \ + do_triangle( draw, \ + ( DRAW_PIPE_RESET_STIPPLE | \ + DRAW_PIPE_EDGE_FLAG_0 | \ + DRAW_PIPE_EDGE_FLAG_1 ), \ + verts + stride * (elts[i0] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i1] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i2] & ~DRAW_PIPE_FLAG_MASK)); \ + do_triangle( draw, \ + ( DRAW_PIPE_EDGE_FLAG_1 | \ + DRAW_PIPE_EDGE_FLAG_2 ), \ + verts + stride * (elts[i0] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i2] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i3] & ~DRAW_PIPE_FLAG_MASK)) + +/* emit last quad vertex as last vertex in triangles */ +#define QUAD_LAST_PV(i0,i1,i2,i3) \ + do_triangle( draw, \ + ( DRAW_PIPE_RESET_STIPPLE | \ + DRAW_PIPE_EDGE_FLAG_0 | \ + DRAW_PIPE_EDGE_FLAG_2 ), \ + verts + stride * (elts[i0] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i1] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i3] & ~DRAW_PIPE_FLAG_MASK)); \ + do_triangle( draw, \ + ( DRAW_PIPE_EDGE_FLAG_0 | \ + DRAW_PIPE_EDGE_FLAG_1 ), \ + verts + stride * (elts[i1] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i2] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i3] & ~DRAW_PIPE_FLAG_MASK)) + +#define TRIANGLE(flags,i0,i1,i2) \ + do_triangle( draw, \ + elts[i0], /* flags */ \ + verts + stride * (elts[i0] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i1] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i2] & ~DRAW_PIPE_FLAG_MASK) ); + +#define LINE(flags,i0,i1) \ + do_line( draw, \ + elts[i0], \ + verts + stride * (elts[i0] & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (elts[i1] & ~DRAW_PIPE_FLAG_MASK) ); + +#define POINT(i0) \ + do_point( draw, \ + verts + stride * (elts[i0] & ~DRAW_PIPE_FLAG_MASK) ) + +#define FUNC pipe_run +#define ARGS \ + struct draw_context *draw, \ + unsigned prim, \ + struct vertex_header *vertices, \ + unsigned stride, \ + const ushort *elts + +#define LOCAL_VARS \ + char *verts = (char *)vertices; \ + boolean flatfirst = (draw->rasterizer->flatshade && \ + draw->rasterizer->flatshade_first); \ + unsigned i; \ + ushort flags + +#define FLUSH + +#include "draw_pt_decompose.h" +#undef ARGS +#undef LOCAL_VARS + -/* Code to run the pipeline on a fairly arbitary collection of vertices. +/** + * Code to run the pipeline on a fairly arbitrary collection of vertices. + * For drawing indexed primitives. * * Vertex headers must be pre-initialized with the * UNDEFINED_VERTEX_ID, this code will cause that id to become @@ -170,78 +256,87 @@ static void do_triangle( struct draw_context *draw, * draw_vbuf.c code uses when it has to perform a flush. */ void draw_pipeline_run( struct draw_context *draw, - unsigned prim, - struct vertex_header *vertices, - unsigned vertex_count, - unsigned stride, - const ushort *elts, - unsigned count ) + const struct draw_vertex_info *vert_info, + const struct draw_prim_info *prim_info) { - char *verts = (char *)vertices; - unsigned i; - - draw->pipeline.verts = verts; - draw->pipeline.vertex_stride = stride; - draw->pipeline.vertex_count = vertex_count; - - switch (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, - elts[i+0], /* flags */ - verts + stride * (elts[i+0] & ~DRAW_PIPE_FLAG_MASK), - verts + stride * elts[i+1]); - break; - case PIPE_PRIM_TRIANGLES: - for (i = 0; i+2 < count; i += 3) - do_triangle( draw, - elts[i+0], /* flags */ - verts + stride * (elts[i+0] & ~DRAW_PIPE_FLAG_MASK), - verts + stride * elts[i+1], - verts + stride * elts[i+2]); - break; + unsigned i, start; + + draw->pipeline.verts = (char *)vert_info->verts; + draw->pipeline.vertex_stride = vert_info->stride; + draw->pipeline.vertex_count = vert_info->count; + + for (start = i = 0; + i < prim_info->primitive_count; + start += prim_info->primitive_lengths[i], i++) + { + unsigned count = prim_info->primitive_lengths[i]; + + pipe_run(draw, + prim_info->prim, + vert_info->verts, + vert_info->stride, + prim_info->elts + start, + count); } - + draw->pipeline.verts = NULL; draw->pipeline.vertex_count = 0; } -#define QUAD(i0,i1,i2,i3) \ + +/* + * Set up macros for draw_pt_decompose.h template code. + * This code is for non-indexed (aka linear) rendering (no elts). + */ + +/* emit first quad vertex as first vertex in triangles */ +#define QUAD_FIRST_PV(i0,i1,i2,i3) \ + do_triangle( draw, \ + ( DRAW_PIPE_RESET_STIPPLE | \ + DRAW_PIPE_EDGE_FLAG_0 | \ + DRAW_PIPE_EDGE_FLAG_1 ), \ + verts + stride * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i1) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i2) & ~DRAW_PIPE_FLAG_MASK)); \ + do_triangle( draw, \ + ( DRAW_PIPE_EDGE_FLAG_1 | \ + DRAW_PIPE_EDGE_FLAG_2 ), \ + verts + stride * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i2) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i3) & ~DRAW_PIPE_FLAG_MASK)) + +/* emit last quad vertex as last vertex in triangles */ +#define QUAD_LAST_PV(i0,i1,i2,i3) \ do_triangle( draw, \ ( DRAW_PIPE_RESET_STIPPLE | \ DRAW_PIPE_EDGE_FLAG_0 | \ DRAW_PIPE_EDGE_FLAG_2 ), \ verts + stride * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ - verts + stride * (i1), \ - verts + stride * (i3)); \ + verts + stride * ((i1) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i3) & ~DRAW_PIPE_FLAG_MASK)); \ do_triangle( draw, \ ( DRAW_PIPE_EDGE_FLAG_0 | \ DRAW_PIPE_EDGE_FLAG_1 ), \ verts + stride * ((i1) & ~DRAW_PIPE_FLAG_MASK), \ - verts + stride * (i2), \ - verts + stride * (i3)) + verts + stride * ((i2) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i3) & ~DRAW_PIPE_FLAG_MASK)) #define TRIANGLE(flags,i0,i1,i2) \ do_triangle( draw, \ flags, /* flags */ \ verts + stride * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ - verts + stride * (i1), \ - verts + stride * (i2)) + verts + stride * ((i1) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * ((i2) & ~DRAW_PIPE_FLAG_MASK)) #define LINE(flags,i0,i1) \ do_line( draw, \ flags, \ verts + stride * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ - verts + stride * (i1)) + verts + stride * ((i1) & ~DRAW_PIPE_FLAG_MASK)) #define POINT(i0) \ do_point( draw, \ - verts + stride * i0 ) + verts + stride * ((i0) & ~DRAW_PIPE_FLAG_MASK) ) #define FUNC pipe_run_linear #define ARGS \ @@ -261,18 +356,34 @@ void draw_pipeline_run( struct draw_context *draw, #include "draw_pt_decompose.h" + +/* + * For drawing non-indexed primitives. + */ void draw_pipeline_run_linear( struct draw_context *draw, - unsigned prim, - struct vertex_header *vertices, - unsigned count, - unsigned stride ) + const struct draw_vertex_info *vert_info, + const struct draw_prim_info *prim_info) { - char *verts = (char *)vertices; - draw->pipeline.verts = verts; - draw->pipeline.vertex_stride = stride; - draw->pipeline.vertex_count = count; - - pipe_run_linear(draw, prim, vertices, stride, count); + unsigned i, start; + + for (start = i = 0; + i < prim_info->primitive_count; + start += prim_info->primitive_lengths[i], i++) + { + unsigned count = prim_info->primitive_lengths[i]; + char *verts = ((char*)vert_info->verts) + + (start * vert_info->stride); + + draw->pipeline.verts = verts; + draw->pipeline.vertex_stride = vert_info->stride; + draw->pipeline.vertex_count = count; + + pipe_run_linear(draw, + prim_info->prim, + (struct vertex_header*)verts, + vert_info->stride, + count); + } draw->pipeline.verts = NULL; draw->pipeline.vertex_count = 0;