From caf293343fd236e97ce399533ac0ada3c7afee7a Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Mon, 14 Apr 2008 12:08:46 +0100 Subject: [PATCH] draw: hide passthrough shading paths behind an environment variable --- src/gallium/auxiliary/draw/draw_context.c | 2 ++ src/gallium/auxiliary/draw/draw_private.h | 1 + src/gallium/auxiliary/draw/draw_pt.c | 3 +++ 3 files changed, 6 insertions(+) diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index cdca556fbdf..1e70a775233 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -49,6 +49,8 @@ struct draw_context *draw_create( void ) draw->use_sse = FALSE; #endif + draw->use_pt_shaders = GETENV( "GALLIUM_PT_SHADERS" ) != NULL; + /* create pipeline stages */ draw->pipeline.wide_line = draw_wide_line_stage( draw ); draw->pipeline.wide_point = draw_wide_point_stage( draw ); diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index 1115166192e..3042d268479 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -276,6 +276,7 @@ struct draw_context boolean line_stipple; /**< do line stipple? */ boolean point_sprite; /**< convert points to quads for sprites? */ boolean use_sse; + boolean use_pt_shaders; /* temporary flag to switch on pt shader paths */ /* If a prim stage introduces new vertex attributes, they'll be stored here */ diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c index c8663c0e844..c67a2179820 100644 --- a/src/gallium/auxiliary/draw/draw_pt.c +++ b/src/gallium/auxiliary/draw/draw_pt.c @@ -79,6 +79,9 @@ draw_pt_arrays(struct draw_context *draw, * - backend -- the vbuf_render provided by the driver. */ + if (shading && !draw->use_pt_shaders) + return FALSE; + if (!cliptest && !pipeline && !shading) { /* This is the 'passthrough' path: -- 2.30.2