From: Keith Whitwell Date: Tue, 1 Apr 2008 13:49:56 +0000 (+0100) Subject: draw: more flatshade_first changes X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=edfa8201a50c47376b7aa0c05d7851e3e1353bde;p=mesa.git draw: more flatshade_first changes - Reduce the number of changes to the normal vertex ordering - Assume that the hardware knows how to do this in the standard case. - Add support to the passthrough vcache path. --- diff --git a/src/gallium/auxiliary/draw/draw_prim.c b/src/gallium/auxiliary/draw/draw_prim.c index 9779aa8440a..4452376a70e 100644 --- a/src/gallium/auxiliary/draw/draw_prim.c +++ b/src/gallium/auxiliary/draw/draw_prim.c @@ -343,21 +343,11 @@ draw_prim( struct draw_context *draw, break; case PIPE_PRIM_LINES: - if (flatfirst) { - for (i = 0; i+1 < count; i += 2) { - do_line( draw, - TRUE, - start + i + 1, - start + i + 0); - } - } - else { - for (i = 0; i+1 < count; i += 2) { - do_line( draw, - TRUE, - start + i + 0, - start + i + 1); - } + for (i = 0; i+1 < count; i += 2) { + do_line( draw, + TRUE, + start + i + 0, + start + i + 1); } break; @@ -378,63 +368,31 @@ draw_prim( struct draw_context *draw, break; case PIPE_PRIM_LINE_STRIP: - if (flatfirst) { - for (i = 1; i < count; i++) { - do_line( draw, - i == 1, - start + i, - start + i - 1 ); - } - } - else { - for (i = 1; i < count; i++) { - do_line( draw, - i == 1, - start + i - 1, - start + i ); - } + for (i = 1; i < count; i++) { + do_line( draw, + i == 1, + start + i - 1, + start + i ); } break; case PIPE_PRIM_TRIANGLES: - if (flatfirst) { - if (unfilled) { - for (i = 0; i+2 < count; i += 3) { - do_ef_triangle( draw, - 1, - ~0, - start + i + 1, - start + i + 2, - start + i + 0 ); - } - } - else { - for (i = 0; i+2 < count; i += 3) { - do_triangle( draw, - start + i + 1, - start + i + 2, - start + i + 0 ); - } + if (unfilled) { + for (i = 0; i+2 < count; i += 3) { + do_ef_triangle( draw, + 1, + ~0, + start + i + 0, + start + i + 1, + start + i + 2 ); } - } + } else { - if (unfilled) { - for (i = 0; i+2 < count; i += 3) { - do_ef_triangle( draw, - 1, - ~0, - start + i + 0, - start + i + 1, - start + i + 2 ); - } - } - else { - for (i = 0; i+2 < count; i += 3) { - do_triangle( draw, - start + i + 0, - start + i + 1, - start + i + 2 ); - } + for (i = 0; i+2 < count; i += 3) { + do_triangle( draw, + start + i + 0, + start + i + 1, + start + i + 2 ); } } break; @@ -444,15 +402,15 @@ draw_prim( struct draw_context *draw, for (i = 0; i+2 < count; i++) { if (i & 1) { do_triangle( draw, + start + i + 0, start + i + 2, - start + i + 1, - start + i + 0 ); + start + i + 1 ); } else { do_triangle( draw, + start + i + 0, start + i + 1, - start + i + 2, - start + i + 0 ); + start + i + 2 ); } } } @@ -479,9 +437,9 @@ draw_prim( struct draw_context *draw, if (flatfirst) { for (i = 0; i+2 < count; i++) { do_triangle( draw, + start + i + 1, start + i + 2, - start + 0, - start + i + 1 ); + start + 0 ); } } else { diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c index df306a5fa4f..2ea96c686da 100644 --- a/src/gallium/auxiliary/draw/draw_pt.c +++ b/src/gallium/auxiliary/draw/draw_pt.c @@ -191,7 +191,7 @@ boolean draw_pt_init( struct draw_context *draw ) if (!draw->pt.middle.fetch_emit) return FALSE; - draw->pt.front.vcache = draw_pt_vcache(); + draw->pt.front.vcache = draw_pt_vcache( draw ); if (!draw->pt.front.vcache) return FALSE; diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h index 439fa4c8813..f8786160799 100644 --- a/src/gallium/auxiliary/draw/draw_pt.h +++ b/src/gallium/auxiliary/draw/draw_pt.h @@ -110,7 +110,7 @@ const void *draw_pt_elt_ptr( struct draw_context *draw, /* Implementations: */ -struct draw_pt_front_end *draw_pt_vcache( void ); +struct draw_pt_front_end *draw_pt_vcache( struct draw_context *draw ); struct draw_pt_middle_end *draw_pt_fetch_emit( struct draw_context *draw ); diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c index da9a3a52aed..16ffedf580c 100644 --- a/src/gallium/auxiliary/draw/draw_pt_vcache.c +++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c @@ -44,6 +44,7 @@ struct vcache_frontend { struct draw_pt_front_end base; + struct draw_context *draw; unsigned in[CACHE_MAX]; ushort out[CACHE_MAX]; @@ -157,14 +158,6 @@ static void vcache_quad( struct vcache_frontend *vcache, } -static void vcache_prepare( struct draw_pt_front_end *frontend, - struct draw_pt_middle_end *middle ) -{ - struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; - vcache->middle = middle; - middle->prepare( middle ); -} - static unsigned reduced_prim[PIPE_PRIM_POLYGON + 1] = { PIPE_PRIM_POINTS, PIPE_PRIM_LINES, @@ -179,11 +172,11 @@ static unsigned reduced_prim[PIPE_PRIM_POLYGON + 1] = { }; -static void vcache_run( struct draw_pt_front_end *frontend, - unsigned prim, - pt_elt_func get_elt, - const void *elts, - unsigned count ) +static void vcache_run_pv2( struct draw_pt_front_end *frontend, + unsigned prim, + pt_elt_func get_elt, + const void *elts, + unsigned count ) { struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; unsigned i; @@ -309,6 +302,109 @@ static void vcache_run( struct draw_pt_front_end *frontend, vcache_flush( vcache ); } + +static void vcache_run_pv0( struct draw_pt_front_end *frontend, + unsigned prim, + pt_elt_func get_elt, + const void *elts, + unsigned count ) +{ + struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; + unsigned i; + + /* These are for validation only: + */ + vcache->elt_func = get_elt; + vcache->elt_ptr = elts; + vcache->output_prim = reduced_prim[prim]; + + switch (prim) { + case PIPE_PRIM_POINTS: + for (i = 0; i < count; i ++) { + vcache_point( vcache, + get_elt(elts, i) ); + } + break; + + case PIPE_PRIM_LINES: + for (i = 0; i+1 < count; i += 2) { + vcache_line( vcache, + TRUE, + get_elt(elts, i + 0), + get_elt(elts, i + 1)); + } + break; + + case PIPE_PRIM_LINE_STRIP: + for (i = 1; i < count; i++) { + vcache_line( vcache, + i == 1, + get_elt(elts, i - 1), + get_elt(elts, i) ); + } + break; + + case PIPE_PRIM_TRIANGLES: + for (i = 0; i+2 < count; i += 3) { + vcache_triangle( vcache, + get_elt(elts, i + 0), + get_elt(elts, i + 1), + get_elt(elts, i + 2) ); + } + break; + + case PIPE_PRIM_TRIANGLE_STRIP: + for (i = 0; i+2 < count; i++) { + if (i & 1) { + vcache_triangle( vcache, + get_elt(elts, i + 0), + get_elt(elts, i + 2), + get_elt(elts, i + 1) ); + } + else { + vcache_triangle( vcache, + get_elt(elts, i + 0), + get_elt(elts, i + 1), + get_elt(elts, i + 2) ); + } + } + break; + + case PIPE_PRIM_TRIANGLE_FAN: + for (i = 0; i+2 < count; i++) { + vcache_triangle( vcache, + get_elt(elts, i + 1), + get_elt(elts, i + 2), + get_elt(elts, 0) ); + } + break; + + + default: + assert(0); + break; + } + + vcache_flush( vcache ); +} + +static void vcache_prepare( struct draw_pt_front_end *frontend, + struct draw_pt_middle_end *middle ) +{ + struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; + + if (vcache->draw->rasterizer->flatshade_first) + vcache->base.run = vcache_run_pv0; + else + vcache->base.run = vcache_run_pv2; + + vcache->middle = middle; + middle->prepare( middle ); +} + + + + static void vcache_finish( struct draw_pt_front_end *frontend ) { struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; @@ -322,14 +418,15 @@ static void vcache_destroy( struct draw_pt_front_end *frontend ) } -struct draw_pt_front_end *draw_pt_vcache( void ) +struct draw_pt_front_end *draw_pt_vcache( struct draw_context *draw ) { struct vcache_frontend *vcache = CALLOC_STRUCT( vcache_frontend ); vcache->base.prepare = vcache_prepare; - vcache->base.run = vcache_run; + vcache->base.run = NULL; vcache->base.finish = vcache_finish; vcache->base.destroy = vcache_destroy; + vcache->draw = draw; memset(vcache->in, ~0, sizeof(vcache->in)); diff --git a/src/gallium/auxiliary/draw/draw_validate.c b/src/gallium/auxiliary/draw/draw_validate.c index ad43f06f73f..e163e078f0f 100644 --- a/src/gallium/auxiliary/draw/draw_validate.c +++ b/src/gallium/auxiliary/draw/draw_validate.c @@ -76,10 +76,6 @@ draw_need_pipeline(const struct draw_context *draw, /* AA lines */ if (draw->rasterizer->line_smooth && draw->pipeline.aaline) return TRUE; - - /* first-vertex driven flatshading */ - if (draw->rasterizer->flatshade && draw->rasterizer->flatshade_first) - return TRUE; } if (points(prim)) @@ -116,10 +112,6 @@ draw_need_pipeline(const struct draw_context *draw, /* two-side lighting */ if (draw->rasterizer->light_twoside) return TRUE; - - /* first-vertex driven flatshading */ - if (draw->rasterizer->flatshade && draw->rasterizer->flatshade_first) - return TRUE; } /* polygon cull - this is difficult - hardware can cull just fine