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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/image/image.cpp
+3
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@@ -54,6 +54,9 @@ namespace {
}
if (DepthAspectTransferFormat(info.pixel_format) != vk::Format::eUndefined) {
usage |= vk::ImageUsageFlagBits::eDepthStencilAttachment;
if (graphics.attachment_feedback_loop_enabled && (usage & vk::ImageUsageFlagBits::eSampled)) {
usage |= vk::ImageUsageFlagBits::eAttachmentFeedbackLoopEXT;
}
return usage;
}
if (HasFormatFeature(properties, vk::FormatFeatureFlagBits::eColorAttachment)) {
src/graphics/host_gpu/renderer/pipeline/descriptors.cpp
+3 -2
View File
@@ -1007,12 +1007,13 @@ void RenderExecutor::CommitBindings(CommandBuffer& buffer,
std::ranges::find(image.views, binding.image_view, &CachedImageView::view);
EXIT_IF(storage || host_view == image.views.end());
const auto aspect = host_view->info.aspect;
const bool feedback = layout == vk::ImageLayout::eAttachmentFeedbackLoopOptimalEXT;
const bool depth_read =
layout == vk::ImageLayout::eDepthReadOnlyOptimal ||
feedback || layout == vk::ImageLayout::eDepthReadOnlyOptimal ||
layout == vk::ImageLayout::eDepthStencilReadOnlyOptimal ||
layout == vk::ImageLayout::eDepthReadOnlyStencilAttachmentOptimal;
const bool stencil_read =
layout == vk::ImageLayout::eStencilReadOnlyOptimal ||
feedback || layout == vk::ImageLayout::eStencilReadOnlyOptimal ||
layout == vk::ImageLayout::eDepthStencilReadOnlyOptimal ||
layout == vk::ImageLayout::eDepthAttachmentStencilReadOnlyOptimal;
if ((aspect & vk::ImageAspectFlagBits::eDepth && !depth_read) ||
src/graphics/host_gpu/renderer/pipeline/shaders.cpp
+8 -10
View File
@@ -702,7 +702,7 @@ void CreatePipelineInternal(
depth_stencil_info.minDepthBounds = static_params.depth_min_bounds;
depth_stencil_info.maxDepthBounds = static_params.depth_max_bounds;
const vk::DynamicState dynamic_states[] = {
std::vector<vk::DynamicState> dynamic_states {
vk::DynamicState::eViewportWithCount,
vk::DynamicState::eScissorWithCount,
vk::DynamicState::eLineWidth,
@@ -715,22 +715,20 @@ void CreatePipelineInternal(
vk::DynamicState::eStencilReference,
vk::DynamicState::eStencilWriteMask,
vk::DynamicState::eBlendConstants,
#if !defined(__APPLE__)
// Keep last so depth-only pipelines can omit this dynamic state.
vk::DynamicState::eColorWriteEnableEXT, // unsupported by MoltenVK; static mask instead
#endif
};
auto dynamic_states_count =
static_cast<uint32_t>(sizeof(dynamic_states) / sizeof(dynamic_states[0]));
#if !defined(__APPLE__)
if (rendering.color_count == 0) {
dynamic_states_count--;
if (rendering.color_count != 0) {
dynamic_states.push_back(vk::DynamicState::eColorWriteEnableEXT);
}
#endif
if (graphics.attachment_feedback_loop_enabled) {
dynamic_states.push_back(vk::DynamicState::eAttachmentFeedbackLoopEnableEXT);
}
const auto dynamic_states_count = static_cast<uint32_t>(dynamic_states.size());
vk::PipelineDynamicStateCreateInfo dynamic_state {};
dynamic_state.dynamicStateCount = dynamic_states_count;
dynamic_state.pDynamicStates = dynamic_states;
dynamic_state.pDynamicStates = dynamic_states.data();
vk::GraphicsPipelineCreateInfo pipeline_info {};
vk::PipelineRenderingCreateInfo rendering_info {};
src/graphics/host_gpu/renderer/renderDraw.cpp
+14 -1
View File
@@ -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) {