anv: Implement VK_KHR_depth_stencil_resolve
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@@ -3886,6 +3886,23 @@ cmd_buffer_begin_subpass(struct anv_cmd_buffer *cmd_buffer,
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cmd_buffer_emit_depth_stencil(cmd_buffer);
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}
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static enum blorp_filter
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vk_to_blorp_resolve_mode(VkResolveModeFlagBitsKHR vk_mode)
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{
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switch (vk_mode) {
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case VK_RESOLVE_MODE_SAMPLE_ZERO_BIT_KHR:
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return BLORP_FILTER_SAMPLE_0;
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case VK_RESOLVE_MODE_AVERAGE_BIT_KHR:
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return BLORP_FILTER_AVERAGE;
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case VK_RESOLVE_MODE_MIN_BIT_KHR:
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return BLORP_FILTER_MIN_SAMPLE;
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case VK_RESOLVE_MODE_MAX_BIT_KHR:
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return BLORP_FILTER_MAX_SAMPLE;
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default:
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return BLORP_FILTER_NONE;
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}
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}
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static void
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cmd_buffer_end_subpass(struct anv_cmd_buffer *cmd_buffer)
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{
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@@ -3953,6 +3970,125 @@ cmd_buffer_end_subpass(struct anv_cmd_buffer *cmd_buffer)
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}
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}
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if (subpass->ds_resolve_attachment) {
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/* We are about to do some MSAA resolves. We need to flush so that the
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* result of writes to the MSAA depth attachments show up in the sampler
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* when we blit to the single-sampled resolve target.
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*/
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cmd_buffer->state.pending_pipe_bits |=
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ANV_PIPE_TEXTURE_CACHE_INVALIDATE_BIT |
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ANV_PIPE_DEPTH_CACHE_FLUSH_BIT;
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uint32_t src_att = subpass->depth_stencil_attachment->attachment;
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uint32_t dst_att = subpass->ds_resolve_attachment->attachment;
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assert(src_att < cmd_buffer->state.pass->attachment_count);
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assert(dst_att < cmd_buffer->state.pass->attachment_count);
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if (cmd_buffer->state.attachments[dst_att].pending_clear_aspects) {
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/* From the Vulkan 1.0 spec:
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*
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* If the first use of an attachment in a render pass is as a
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* resolve attachment, then the loadOp is effectively ignored
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* as the resolve is guaranteed to overwrite all pixels in the
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* render area.
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*/
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cmd_buffer->state.attachments[dst_att].pending_clear_aspects = 0;
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}
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struct anv_image_view *src_iview = fb->attachments[src_att];
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struct anv_image_view *dst_iview = fb->attachments[dst_att];
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const VkRect2D render_area = cmd_buffer->state.render_area;
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if ((src_iview->image->aspects & VK_IMAGE_ASPECT_DEPTH_BIT) &&
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subpass->depth_resolve_mode != VK_RESOLVE_MODE_NONE_KHR) {
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struct anv_attachment_state *src_state =
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&cmd_state->attachments[src_att];
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struct anv_attachment_state *dst_state =
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&cmd_state->attachments[dst_att];
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/* MSAA resolves sample from the source attachment. Transition the
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* depth attachment first to get rid of any HiZ that we may not be
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* able to handle.
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*/
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transition_depth_buffer(cmd_buffer, src_iview->image,
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src_state->current_layout,
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VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
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src_state->aux_usage =
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anv_layout_to_aux_usage(&cmd_buffer->device->info, src_iview->image,
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VK_IMAGE_ASPECT_DEPTH_BIT,
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VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
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src_state->current_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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/* MSAA resolves write to the resolve attachment as if it were any
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* other transfer op. Transition the resolve attachment accordingly.
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*/
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VkImageLayout dst_initial_layout = dst_state->current_layout;
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/* If our render area is the entire size of the image, we're going to
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* blow it all away so we can claim the initial layout is UNDEFINED
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* and we'll get a HiZ ambiguate instead of a resolve.
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*/
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if (dst_iview->image->type != VK_IMAGE_TYPE_3D &&
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render_area.offset.x == 0 && render_area.offset.y == 0 &&
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render_area.extent.width == dst_iview->extent.width &&
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render_area.extent.height == dst_iview->extent.height)
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dst_initial_layout = VK_IMAGE_LAYOUT_UNDEFINED;
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transition_depth_buffer(cmd_buffer, dst_iview->image,
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dst_initial_layout,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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dst_state->aux_usage =
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anv_layout_to_aux_usage(&cmd_buffer->device->info, dst_iview->image,
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VK_IMAGE_ASPECT_DEPTH_BIT,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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dst_state->current_layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
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enum blorp_filter filter =
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vk_to_blorp_resolve_mode(subpass->depth_resolve_mode);
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anv_image_msaa_resolve(cmd_buffer,
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src_iview->image, src_state->aux_usage,
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src_iview->planes[0].isl.base_level,
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src_iview->planes[0].isl.base_array_layer,
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dst_iview->image, dst_state->aux_usage,
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dst_iview->planes[0].isl.base_level,
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dst_iview->planes[0].isl.base_array_layer,
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VK_IMAGE_ASPECT_DEPTH_BIT,
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render_area.offset.x, render_area.offset.y,
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render_area.offset.x, render_area.offset.y,
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render_area.extent.width,
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render_area.extent.height,
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fb->layers, filter);
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}
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if ((src_iview->image->aspects & VK_IMAGE_ASPECT_STENCIL_BIT) &&
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subpass->stencil_resolve_mode != VK_RESOLVE_MODE_NONE_KHR) {
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enum isl_aux_usage src_aux_usage = ISL_AUX_USAGE_NONE;
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enum isl_aux_usage dst_aux_usage = ISL_AUX_USAGE_NONE;
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enum blorp_filter filter =
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vk_to_blorp_resolve_mode(subpass->stencil_resolve_mode);
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anv_image_msaa_resolve(cmd_buffer,
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src_iview->image, src_aux_usage,
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src_iview->planes[0].isl.base_level,
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src_iview->planes[0].isl.base_array_layer,
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dst_iview->image, dst_aux_usage,
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dst_iview->planes[0].isl.base_level,
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dst_iview->planes[0].isl.base_array_layer,
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VK_IMAGE_ASPECT_STENCIL_BIT,
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render_area.offset.x, render_area.offset.y,
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render_area.offset.x, render_area.offset.y,
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render_area.extent.width,
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render_area.extent.height,
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fb->layers, filter);
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}
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}
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for (uint32_t i = 0; i < subpass->attachment_count; ++i) {
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const uint32_t a = subpass->attachments[i].attachment;
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if (a == VK_ATTACHMENT_UNUSED)
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