From 790c73140939fb60c1b702215bb6afa09f401a8e Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Tue, 1 Mar 2011 01:46:10 +0100 Subject: r300g: set the correct HiZ clear value --- src/gallium/drivers/r300/r300_blit.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/gallium/drivers/r300/r300_blit.c') diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index fd8ef444dc..8c13ac5dff 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -141,6 +141,13 @@ static uint32_t r300_depth_clear_value(enum pipe_format format, } } +static uint32_t r300_hiz_clear_value(double depth) +{ + uint32_t r = (uint32_t)(CLAMP(depth, 0, 1) * 255.5); + assert(r <= 255); + return r | (r << 8) | (r << 16) | (r << 24); +} + /* Clear currently bound buffers. */ static void r300_clear(struct pipe_context* pipe, unsigned buffers, @@ -214,6 +221,7 @@ static void r300_clear(struct pipe_context* pipe, } if (r300_hiz_clear_allowed(r300)) { + r300->hiz_clear_value = r300_hiz_clear_value(depth); r300_mark_atom_dirty(r300, &r300->hiz_clear); } } -- cgit v1.2.3