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vk_renderpass_cache: Add support for multi-sample renderpasses

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A multi-sample render-pass will simply append additional attachments to
the end of the attachment list to use as primary color+depth attachments
and will resolve back into the original non-msaa attachments.
Framebuffers must be sure to structure their attachments the same way.
This commit is contained in:
Wunkolo 2023-11-10 17:28:04 -08:00
parent 85a2304b42
commit 89ffff3426
2 changed files with 93 additions and 23 deletions
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99
src/video_core/renderer_vulkan/vk_renderpass_cache.cpp
View file

@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <limits>
#include <boost/container/static_vector.hpp>
#include "common/assert.h"
#include "video_core/rasterizer_cache/pixel_format.h"
#include "video_core/renderer_vulkan/vk_instance.h"
@ -38,7 +39,7 @@ void RenderpassCache::BeginRendering(const Framebuffer* framebuffer,
.framebuffer = framebuffer->Handle(),
.render_pass = framebuffer->RenderPass(),
.render_area = render_area,
.clear = {},
.clears = {},
.do_clear = false,
};
images = framebuffer->Images();
@ -58,8 +59,8 @@ void RenderpassCache::BeginRendering(const RenderPass& new_pass) {
.renderPass = info.render_pass,
.framebuffer = info.framebuffer,
.renderArea = info.render_area,
.clearValueCount = info.do_clear ? 1u : 0u,
.pClearValues = &info.clear,
.clearValueCount = info.do_clear ? 2u : 0u,
.pClearValues = info.clears.data(),
};
cmdbuf.beginRenderPass(renderpass_begin_info, vk::SubpassContents::eInline);
});
@ -124,7 +125,8 @@ void RenderpassCache::EndRendering() {
}
vk::RenderPass RenderpassCache::GetRenderpass(VideoCore::PixelFormat color,
VideoCore::PixelFormat depth, bool is_clear) {
VideoCore::PixelFormat depth, bool is_clear,
u8 sample_count) {
std::scoped_lock lock{cache_mutex};
const u32 color_index =
@ -136,22 +138,31 @@ vk::RenderPass RenderpassCache::GetRenderpass(VideoCore::PixelFormat color,
ASSERT_MSG(color_index <= MAX_COLOR_FORMATS && depth_index <= MAX_DEPTH_FORMATS,
"Invalid color index {} and/or depth_index {}", color_index, depth_index);
vk::UniqueRenderPass& renderpass = cached_renderpasses[color_index][depth_index][is_clear];
ASSERT_MSG(sample_count && std::has_single_bit(sample_count) && sample_count <= MAX_SAMPLES,
"Invalid sample count {}", static_cast<u32>(sample_count));
const u32 samples_index = static_cast<u32>(std::bit_width(sample_count) - 1);
vk::UniqueRenderPass& renderpass =
cached_renderpasses[color_index][depth_index][samples_index][is_clear];
if (!renderpass) {
const vk::Format color_format = instance.GetTraits(color).native;
const vk::Format depth_format = instance.GetTraits(depth).native;
const vk::AttachmentLoadOp load_op =
is_clear ? vk::AttachmentLoadOp::eClear : vk::AttachmentLoadOp::eLoad;
renderpass = CreateRenderPass(color_format, depth_format, load_op);
renderpass = CreateRenderPass(color_format, depth_format, load_op,
static_cast<vk::SampleCountFlagBits>(sample_count));
}
return *renderpass;
}
vk::UniqueRenderPass RenderpassCache::CreateRenderPass(vk::Format color, vk::Format depth,
vk::AttachmentLoadOp load_op) const {
u32 attachment_count = 0;
std::array<vk::AttachmentDescription, 2> attachments;
vk::AttachmentLoadOp load_op,
vk::SampleCountFlagBits sample_count) const {
boost::container::static_vector<vk::AttachmentDescription, 4> attachments{};
boost::container::static_vector<vk::AttachmentReference, 2> resolve_attachments{};
bool use_color = false;
vk::AttachmentReference color_attachment_ref{};
@ -159,18 +170,19 @@ vk::UniqueRenderPass RenderpassCache::CreateRenderPass(vk::Format color, vk::For
vk::AttachmentReference depth_attachment_ref{};
if (color != vk::Format::eUndefined) {
attachments[attachment_count] = vk::AttachmentDescription{
attachments.emplace_back(vk::AttachmentDescription{
.format = color,
.samples = vk::SampleCountFlagBits::e1,
.loadOp = load_op,
.storeOp = vk::AttachmentStoreOp::eStore,
.stencilLoadOp = vk::AttachmentLoadOp::eDontCare,
.stencilStoreOp = vk::AttachmentStoreOp::eDontCare,
.initialLayout = vk::ImageLayout::eGeneral,
.finalLayout = vk::ImageLayout::eGeneral,
};
});
color_attachment_ref = vk::AttachmentReference{
.attachment = attachment_count++,
.attachment = static_cast<u32>(attachments.size() - 1),
.layout = vk::ImageLayout::eGeneral,
};
@ -178,36 +190,89 @@ vk::UniqueRenderPass RenderpassCache::CreateRenderPass(vk::Format color, vk::For
}
if (depth != vk::Format::eUndefined) {
attachments[attachment_count] = vk::AttachmentDescription{
attachments.emplace_back(vk::AttachmentDescription{
.format = depth,
.samples = vk::SampleCountFlagBits::e1,
.loadOp = load_op,
.storeOp = vk::AttachmentStoreOp::eStore,
.stencilLoadOp = load_op,
.stencilStoreOp = vk::AttachmentStoreOp::eStore,
.initialLayout = vk::ImageLayout::eGeneral,
.finalLayout = vk::ImageLayout::eGeneral,
};
});
depth_attachment_ref = vk::AttachmentReference{
.attachment = attachment_count++,
.attachment = static_cast<u32>(attachments.size() - 1),
.layout = vk::ImageLayout::eGeneral,
};
use_depth = true;
}
// In the case of MSAA, each attachment gets an additional MSAA attachment that now becomes the
// main attachment and the original attachments now get resolved into
if (sample_count > vk::SampleCountFlagBits::e1) {
if (color != vk::Format::eUndefined) {
attachments.emplace_back(vk::AttachmentDescription{
.format = color,
.samples = sample_count,
.loadOp = load_op,
.storeOp = vk::AttachmentStoreOp::eStore,
.stencilLoadOp = vk::AttachmentLoadOp::eDontCare,
.stencilStoreOp = vk::AttachmentStoreOp::eDontCare,
.initialLayout = vk::ImageLayout::eGeneral,
.finalLayout = vk::ImageLayout::eGeneral,
});
resolve_attachments.emplace_back(color_attachment_ref);
color_attachment_ref = vk::AttachmentReference{
.attachment = static_cast<u32>(attachments.size() - 1),
.layout = vk::ImageLayout::eGeneral,
};
}
if (depth != vk::Format::eUndefined) {
attachments.emplace_back(vk::AttachmentDescription{
.format = depth,
.samples = sample_count,
.loadOp = load_op,
.storeOp = vk::AttachmentStoreOp::eStore,
.stencilLoadOp = load_op,
.stencilStoreOp = vk::AttachmentStoreOp::eStore,
.initialLayout = vk::ImageLayout::eGeneral,
.finalLayout = vk::ImageLayout::eGeneral,
});
resolve_attachments.emplace_back(depth_attachment_ref);
depth_attachment_ref = vk::AttachmentReference{
.attachment = static_cast<u32>(attachments.size() - 1),
.layout = vk::ImageLayout::eGeneral,
};
}
} else {
if (color != vk::Format::eUndefined) {
resolve_attachments.emplace_back(vk::AttachmentReference{VK_ATTACHMENT_UNUSED});
}
if (depth != vk::Format::eUndefined) {
resolve_attachments.emplace_back(vk::AttachmentReference{VK_ATTACHMENT_UNUSED});
}
}
const vk::SubpassDescription subpass = {
.pipelineBindPoint = vk::PipelineBindPoint::eGraphics,
.inputAttachmentCount = 0,
.pInputAttachments = nullptr,
.colorAttachmentCount = use_color ? 1u : 0u,
.pColorAttachments = &color_attachment_ref,
.pResolveAttachments = 0,
.pResolveAttachments = resolve_attachments.data(),
.pDepthStencilAttachment = use_depth ? &depth_attachment_ref : nullptr,
};
const vk::RenderPassCreateInfo renderpass_info = {
.attachmentCount = attachment_count,
.attachmentCount = static_cast<u32>(attachments.size()),
.pAttachments = attachments.data(),
.subpassCount = 1,
.pSubpasses = &subpass,

17
src/video_core/renderer_vulkan/vk_renderpass_cache.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <bit>
#include <mutex>
#include "common/math_util.h"
@ -23,20 +24,22 @@ struct RenderPass {
vk::Framebuffer framebuffer;
vk::RenderPass render_pass;
vk::Rect2D render_area;
vk::ClearValue clear;
std::array<vk::ClearValue, 2> clears;
bool do_clear;
bool operator==(const RenderPass& other) const noexcept {
return std::tie(framebuffer, render_pass, render_area, do_clear) ==
std::tie(other.framebuffer, other.render_pass, other.render_area,
other.do_clear) &&
std::memcmp(&clear, &other.clear, sizeof(vk::ClearValue)) == 0;
std::memcmp(&clears, &other.clears, sizeof(clears)) == 0;
}
};
class RenderpassCache {
static constexpr std::size_t MAX_COLOR_FORMATS = 13;
static constexpr std::size_t MAX_DEPTH_FORMATS = 4;
static constexpr std::size_t MAX_SAMPLES = 8;
static_assert(std::has_single_bit(MAX_SAMPLES));
public:
explicit RenderpassCache(const Instance& instance, Scheduler& scheduler);
@ -53,19 +56,21 @@ public:
/// Returns the renderpass associated with the color-depth format pair
vk::RenderPass GetRenderpass(VideoCore::PixelFormat color, VideoCore::PixelFormat depth,
bool is_clear);
bool is_clear, u8 sample_count = 1);
private:
/// Creates a renderpass configured appropriately and stores it in cached_renderpasses
vk::UniqueRenderPass CreateRenderPass(vk::Format color, vk::Format depth,
vk::AttachmentLoadOp load_op) const;
vk::AttachmentLoadOp load_op,
vk::SampleCountFlagBits sample_count) const;
private:
const Instance& instance;
Scheduler& scheduler;
vk::UniqueRenderPass cached_renderpasses[MAX_COLOR_FORMATS + 1][MAX_DEPTH_FORMATS + 1][2];
vk::UniqueRenderPass cached_renderpasses[MAX_COLOR_FORMATS + 1][MAX_DEPTH_FORMATS + 1]
[std::bit_width(MAX_SAMPLES)][2];
std::mutex cache_mutex;
std::array<vk::Image, 2> images;
std::array<vk::Image, 4> images;
std::array<vk::ImageAspectFlags, 2> aspects;
RenderPass pass{};
u32 num_draws{};