diff options
| -rw-r--r-- | src/intel/vulkan/anv_blorp.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c index 05790d268cb..8de339cf09e 100644 --- a/src/intel/vulkan/anv_blorp.c +++ b/src/intel/vulkan/anv_blorp.c @@ -1206,6 +1206,25 @@ anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer) if (att_state->fast_clear) { surf.clear_color = vk_to_isl_color(att_state->clear_value.color); + /* From the Sky Lake PRM Vol. 7, "Render Target Fast Clear": + * + * "After Render target fast clear, pipe-control with color cache + * write-flush must be issued before sending any DRAW commands on + * that render target." + * + * This comment is a bit cryptic and doesn't really tell you what's + * going or what's really needed. It appears that fast clear ops are + * not properly synchronized with other drawing. This means that we + * cannot have a fast clear operation in the pipe at the same time as + * other regular drawing operations. We need to use a PIPE_CONTROL + * to ensure that the contents of the previous draw hit the render + * target before we resolve and then use a second PIPE_CONTROL after + * the resolve to ensure that it is completed before any additional + * drawing occurs. + */ + cmd_buffer->state.pending_pipe_bits |= + ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT | ANV_PIPE_CS_STALL_BIT; + blorp_fast_clear(&batch, &surf, iview->isl.format, iview->isl.base_level, iview->isl.base_array_layer, fb->layers, @@ -1213,12 +1232,6 @@ anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer) render_area.offset.x + render_area.extent.width, render_area.offset.y + render_area.extent.height); - /* From the Sky Lake PRM Vol. 7, "Render Target Fast Clear": - * - * "After Render target fast clear, pipe-control with color cache - * write-flush must be issued before sending any DRAW commands on - * that render target." - */ cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT | ANV_PIPE_CS_STALL_BIT; } else { |