X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Fdraw%2Fdraw_pipe.c;h=b8f57dde6d84ef96c2928e88b0d75414e19d7c3f;hb=f7c2d4fee3104008c21078879cbc5720d7bc1be6;hp=3cde9d36d3a28f4012136031b09f434feeb9b7f5;hpb=33a1f495d4bb19288680b9812c6ec1235302d215;p=mesa.git diff --git a/src/gallium/auxiliary/draw/draw_pipe.c b/src/gallium/auxiliary/draw/draw_pipe.c index 3cde9d36d3a..b8f57dde6d8 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" @@ -106,10 +107,9 @@ 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 +123,10 @@ 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 +143,10 @@ 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 +165,68 @@ static void do_triangle( struct draw_context *draw, } +/* + * Set up macros for draw_pt_decompose.h template code. + * This code uses vertex indexes / elements. + */ +#define QUAD(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], \ + verts + stride * elts[i1], \ + verts + stride * elts[i3]); \ + do_triangle( draw, \ + ( DRAW_PIPE_EDGE_FLAG_0 | \ + DRAW_PIPE_EDGE_FLAG_1 ), \ + verts + stride * elts[i1], \ + verts + stride * elts[i2], \ + verts + stride * elts[i3]) + +#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] ) + +#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 @@ -178,60 +245,44 @@ void draw_pipeline_run( struct draw_context *draw, unsigned count ) { 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; - } + pipe_run(draw, prim, vertices, stride, elts, count); draw->pipeline.verts = NULL; draw->pipeline.vertex_count = 0; } + + +/* + * Set up macros for draw_pt_decompose.h template code. + * This code is for non-indexed rendering (no elts). + */ #define QUAD(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 * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (i1), \ verts + stride * (i3)); \ - 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)) + 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)) #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 * ((i0) & ~DRAW_PIPE_FLAG_MASK), \ + verts + stride * (i1), \ + verts + stride * (i2)) #define LINE(flags,i0,i1) \ do_line( draw, \ @@ -261,6 +312,10 @@ 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,