From 1d05caf9f2b27b1af4424ebd66584ab2b25025a5 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 30 Sep 2013 09:47:31 -0600 Subject: [PATCH] svga: fix pixel center integer MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The svga/d3d9 convention is that pixel centers are at integer coordinates. Fixes piglit glsl-arb-fragment-coord-conventions test. Reviewed-by: José Fonseca --- src/gallium/drivers/svga/svga_screen.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c index d0e242a..a1108c6 100644 --- a/src/gallium/drivers/svga/svga_screen.c +++ b/src/gallium/drivers/svga/svga_screen.c @@ -207,11 +207,13 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param) return 1; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: - case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: return 1; + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: + return 0; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: - case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: return 0; + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: + return 1; case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: return 1; /* The color outputs of vertex shaders are not clamped */ -- 2.7.4