From 4550423211063010a2fa482037d8233bb80e3773 Mon Sep 17 00:00:00 2001 From: Corbin Simpson Date: Wed, 20 May 2009 07:18:08 -0700 Subject: radeon-gallium: Don't permit reading and writing a BO in one CS. This fixes some silent problems in current libdrm_radeon. surface_copy still locks up hard. --- src/gallium/winsys/drm/radeon/core/radeon_r300.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'src/gallium/winsys') diff --git a/src/gallium/winsys/drm/radeon/core/radeon_r300.c b/src/gallium/winsys/drm/radeon/core/radeon_r300.c index 65366e242cf..995bf6aa22b 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_r300.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_r300.c @@ -69,6 +69,16 @@ static boolean radeon_r300_validate(struct r300_winsys* winsys) return TRUE; } + /* XXX should probably be its own function */ + for (i = 0; i < priv->bo_count; i++) { + if (sc[i].read_domains && sc[i].write_domain) { + /* Cute, cute. We need to flush first. */ + debug_printf("radeon: BO %p can't be read and written; " + "requesting flush.\n", sc[i].bo); + return TRUE; + } + } + /* Things are fine, we can proceed as normal. */ return FALSE; } @@ -109,9 +119,15 @@ static void radeon_r300_write_cs_reloc(struct r300_winsys* winsys, { struct radeon_winsys_priv* priv = (struct radeon_winsys_priv*)winsys->radeon_winsys; + int retval = 0; - radeon_cs_write_reloc(priv->cs, + retval = radeon_cs_write_reloc(priv->cs, ((struct radeon_pipe_buffer*)pbuffer)->bo, rd, wd, flags); + + if (retval) { + debug_printf("radeon: Relocation of %p (%d, %d, %d) failed!\n", + pbuffer, rd, wd, flags); + } } static void radeon_r300_end_cs(struct r300_winsys* winsys, -- cgit v1.2.3