diff options
Diffstat (limited to 'src/gallium/drivers/radeon/r600_texture.c')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_texture.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index 71758c42093..0f5c08f281a 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -32,7 +32,7 @@ #include <errno.h> #include <inttypes.h> -static void r600_texture_discard_dcc(struct r600_common_screen *rscreen, +static bool r600_texture_discard_dcc(struct r600_common_screen *rscreen, struct r600_texture *rtex); static void r600_texture_discard_cmask(struct r600_common_screen *rscreen, struct r600_texture *rtex); @@ -86,7 +86,8 @@ bool r600_prepare_for_dma_blit(struct r600_common_context *rctx, src_box->height, src_box->depth)) return false; - r600_texture_discard_dcc(rctx->screen, rdst); + if (!r600_texture_discard_dcc(rctx->screen, rdst)) + return false; } /* CMASK as: @@ -376,25 +377,37 @@ static void r600_texture_discard_cmask(struct r600_common_screen *rscreen, p_atomic_inc(&rscreen->compressed_colortex_counter); } -static void r600_texture_discard_dcc(struct r600_common_screen *rscreen, +static bool r600_can_disable_dcc(struct r600_texture *rtex) +{ + /* We can't disable DCC if it can be written by another process. */ + return rtex->dcc_offset && + (!rtex->resource.is_shared || + !(rtex->resource.external_usage & PIPE_HANDLE_USAGE_WRITE)); +} + +static bool r600_texture_discard_dcc(struct r600_common_screen *rscreen, struct r600_texture *rtex) { + if (!r600_can_disable_dcc(rtex)) + return false; + /* Disable DCC. */ rtex->dcc_offset = 0; rtex->cb_color_info &= ~VI_S_028C70_DCC_ENABLE(1); /* Notify all contexts about the change. */ r600_dirty_all_framebuffer_states(rscreen); + return true; } -void r600_texture_disable_dcc(struct r600_common_screen *rscreen, +bool r600_texture_disable_dcc(struct r600_common_screen *rscreen, struct r600_texture *rtex) { struct r600_common_context *rctx = (struct r600_common_context *)rscreen->aux_context; - if (!rtex->dcc_offset) - return; + if (!r600_can_disable_dcc(rtex)) + return false; /* Decompress DCC. */ pipe_mutex_lock(rscreen->aux_context_lock); @@ -402,7 +415,7 @@ void r600_texture_disable_dcc(struct r600_common_screen *rscreen, rctx->b.flush(&rctx->b, NULL, 0); pipe_mutex_unlock(rscreen->aux_context_lock); - r600_texture_discard_dcc(rscreen, rtex); + return r600_texture_discard_dcc(rscreen, rtex); } static void r600_degrade_tile_mode_to_linear(struct r600_common_context *rctx, @@ -497,8 +510,8 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen, * access. */ if (usage & PIPE_HANDLE_USAGE_WRITE && rtex->dcc_offset) { - r600_texture_disable_dcc(rscreen, rtex); - update_metadata = true; + if (r600_texture_disable_dcc(rscreen, rtex)) + update_metadata = true; } if (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) && |