diff options
Diffstat (limited to 'src/intel/vulkan/anv_blorp.c')
-rw-r--r-- | src/intel/vulkan/anv_blorp.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c index 8577e5f39b2..5361c4b2deb 100644 --- a/src/intel/vulkan/anv_blorp.c +++ b/src/intel/vulkan/anv_blorp.c @@ -981,6 +981,87 @@ void anv_CmdClearAttachments( blorp_batch_finish(&batch); } +static bool +subpass_needs_clear(const struct anv_cmd_buffer *cmd_buffer) +{ + const struct anv_cmd_state *cmd_state = &cmd_buffer->state; + uint32_t ds = cmd_state->subpass->depth_stencil_attachment; + + for (uint32_t i = 0; i < cmd_state->subpass->color_count; ++i) { + uint32_t a = cmd_state->subpass->color_attachments[i]; + if (cmd_state->attachments[a].pending_clear_aspects) { + return true; + } + } + + if (ds != VK_ATTACHMENT_UNUSED && + cmd_state->attachments[ds].pending_clear_aspects) { + return true; + } + + return false; +} + +void +anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer) +{ + const struct anv_cmd_state *cmd_state = &cmd_buffer->state; + + if (!subpass_needs_clear(cmd_buffer)) + return; + + /* Because this gets called within a render pass, we tell blorp not to + * trash our depth and stencil buffers. + */ + struct blorp_batch batch; + blorp_batch_init(&cmd_buffer->device->blorp, &batch, cmd_buffer, + BLORP_BATCH_NO_EMIT_DEPTH_STENCIL); + + VkClearRect clear_rect = { + .rect = cmd_buffer->state.render_area, + .baseArrayLayer = 0, + .layerCount = cmd_buffer->state.framebuffer->layers, + }; + + for (uint32_t i = 0; i < cmd_state->subpass->color_count; ++i) { + const uint32_t a = cmd_state->subpass->color_attachments[i]; + + if (!cmd_state->attachments[a].pending_clear_aspects) + continue; + + assert(cmd_state->attachments[a].pending_clear_aspects == + VK_IMAGE_ASPECT_COLOR_BIT); + + VkClearAttachment clear_att = { + .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, + .colorAttachment = i, /* Use attachment index relative to subpass */ + .clearValue = cmd_state->attachments[a].clear_value, + }; + + clear_color_attachment(cmd_buffer, &batch, &clear_att, 1, &clear_rect); + + cmd_state->attachments[a].pending_clear_aspects = 0; + } + + const uint32_t ds = cmd_state->subpass->depth_stencil_attachment; + + if (ds != VK_ATTACHMENT_UNUSED && + cmd_state->attachments[ds].pending_clear_aspects) { + + VkClearAttachment clear_att = { + .aspectMask = cmd_state->attachments[ds].pending_clear_aspects, + .clearValue = cmd_state->attachments[ds].clear_value, + }; + + clear_depth_stencil_attachment(cmd_buffer, &batch, + &clear_att, 1, &clear_rect); + + cmd_state->attachments[ds].pending_clear_aspects = 0; + } + + blorp_batch_finish(&batch); +} + static void resolve_image(struct blorp_batch *batch, const struct anv_image *src_image, |