diff options
Diffstat (limited to 'src/gallium/drivers/r300')
| -rw-r--r-- | src/gallium/drivers/r300/r300_blit.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index 651ea8529e8..4f9d7c92fa8 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -173,6 +173,8 @@ static uint32_t r300_hiz_clear_value(double depth) return r | (r << 8) | (r << 16) | (r << 24); } +DEBUG_GET_ONCE_BOOL_OPTION(hyperz, "RADEON_HYPERZ", FALSE) + /* Clear currently bound buffers. */ static void r300_clear(struct pipe_context* pipe, unsigned buffers, @@ -246,7 +248,8 @@ static void r300_clear(struct pipe_context* pipe, r300->num_z_clears++; /* Try to obtain the access to Hyper-Z buffers if we don't have one. */ - if (!r300->hyperz_enabled) { + if (!r300->hyperz_enabled && + (r300->screen->caps.is_r500 || debug_get_option_hyperz())) { r300->hyperz_enabled = r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS, |