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render: add depth attachment feedback support

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Co-authored-by: DeathWhispers <56944463+Death-Whispers-U@users.noreply.github.com>
This commit is contained in:
nmzik
2026-09-07 04:25:10 +04:00
parent 49e59e572e
commit f880c58ccc
7 changed files with 228 additions and 73 deletions
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src/graphics/host_gpu/renderer/renderDraw.cpp
+14 -1
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@@ -568,7 +568,12 @@ RenderState RenderExecutor::AcquireRenderTargets(CommandBuffer& buffer, RenderCo
EXIT("mixed color/depth sample counts are unsupported: %u and %u\n", attachment_samples,
depth.desc.info.samples);
}
const auto layout = depth_attachment_layout(depth);
const bool feedback = image.binding.is_bound && !depth_attachment_read_only(depth);
if (feedback && !m_context.GetGraphics().attachment_feedback_loop_enabled) {
EXIT("depth attachment feedback loop is not supported by the host\n");
}
const auto layout = feedback ? vk::ImageLayout::eAttachmentFeedbackLoopOptimalEXT
: depth_attachment_layout(depth);
// The attachment store writes even when guest depth/stencil tests do not.
const auto access = vk::AccessFlagBits2::eDepthStencilAttachmentRead |
vk::AccessFlagBits2::eDepthStencilAttachmentWrite;
@@ -1143,6 +1148,14 @@ void RenderExecutor::ExecutePreparedDraw(uint64_t submit_id, CommandBuffer& buff
SetGraphicsDynamicParams(buffer, vk_buffer, state.vs_input_info, state.color_info,
state.color_count, state.depth_info);
if (m_context.GetGraphics().attachment_feedback_loop_enabled) {
const auto aspects =
rendering.depth_stencil_attachment.image_layout ==
vk::ImageLayout::eAttachmentFeedbackLoopOptimalEXT
? ImageViewOps::DepthAspectMask(state.depth_info.desc.view_info.format)
: vk::ImageAspectFlags {};
vk_buffer.setAttachmentFeedbackLoopEnableEXT(aspects);
}
LogDrawPhase(draw.name, "BeginRendering");
if (set_auto_debug) {