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vk_renderpass_cache: Pack renderpass cache key to 12 bytes
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@ -288,7 +288,7 @@ vk::Pipeline VKGraphicsPipeline::CreatePipeline(const RenderPassParams& renderpa
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depth_stencil_ci.maxDepthBounds = 0.0f;
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std::array<VkPipelineColorBlendAttachmentState, Maxwell::NumRenderTargets> cb_attachments;
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const std::size_t num_attachments = renderpass_params.color_attachments.size();
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const auto num_attachments = static_cast<std::size_t>(renderpass_params.num_color_attachments);
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for (std::size_t index = 0; index < num_attachments; ++index) {
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static constexpr std::array COMPONENT_TABLE = {
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VK_COLOR_COMPONENT_R_BIT, VK_COLOR_COMPONENT_G_BIT, VK_COLOR_COMPONENT_B_BIT,
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@ -1245,28 +1245,15 @@ std::size_t RasterizerVulkan::CalculateConstBufferSize(
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}
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RenderPassParams RasterizerVulkan::GetRenderPassParams(Texceptions texceptions) const {
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using namespace VideoCore::Surface;
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const auto& regs = system.GPU().Maxwell3D().regs;
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RenderPassParams renderpass_params;
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for (std::size_t rt = 0; rt < static_cast<std::size_t>(regs.rt_control.count); ++rt) {
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const auto& rendertarget = regs.rt[rt];
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if (rendertarget.Address() == 0 || rendertarget.format == Tegra::RenderTargetFormat::NONE) {
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continue;
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}
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renderpass_params.color_attachments.push_back(RenderPassParams::ColorAttachment{
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static_cast<u32>(rt), PixelFormatFromRenderTargetFormat(rendertarget.format),
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texceptions[rt]});
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}
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renderpass_params.has_zeta = regs.zeta_enable;
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if (renderpass_params.has_zeta) {
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renderpass_params.zeta_pixel_format = PixelFormatFromDepthFormat(regs.zeta.format);
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renderpass_params.zeta_texception = texceptions[ZETA_TEXCEPTION_INDEX];
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}
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return renderpass_params;
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RenderPassParams params;
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params.num_color_attachments = static_cast<u8>(regs.rt_control.count);
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std::transform(regs.rt.begin(), regs.rt.end(), params.color_formats.begin(),
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[](const auto& rt) { return static_cast<u8>(rt.format); });
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params.texceptions = static_cast<u8>(texceptions.to_ullong());
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params.zeta_format = regs.zeta_enable ? static_cast<u8>(regs.zeta.format) : 0;
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params.zeta_texception = texceptions[ZETA_TEXCEPTION_INDEX];
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return params;
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}
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} // namespace Vulkan
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@ -2,9 +2,11 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <memory>
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#include <vector>
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#include "common/cityhash.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/renderer_vulkan/maxwell_to_vk.h"
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#include "video_core/renderer_vulkan/vk_device.h"
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@ -13,6 +15,15 @@
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namespace Vulkan {
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std::size_t RenderPassParams::Hash() const noexcept {
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const u64 hash = Common::CityHash64(reinterpret_cast<const char*>(this), sizeof *this);
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return static_cast<std::size_t>(hash);
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}
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bool RenderPassParams::operator==(const RenderPassParams& rhs) const noexcept {
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return std::memcmp(&rhs, this, sizeof *this) == 0;
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}
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VKRenderPassCache::VKRenderPassCache(const VKDevice& device) : device{device} {}
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VKRenderPassCache::~VKRenderPassCache() = default;
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@ -27,20 +38,22 @@ VkRenderPass VKRenderPassCache::GetRenderPass(const RenderPassParams& params) {
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}
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vk::RenderPass VKRenderPassCache::CreateRenderPass(const RenderPassParams& params) const {
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using namespace VideoCore::Surface;
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std::vector<VkAttachmentDescription> descriptors;
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std::vector<VkAttachmentReference> color_references;
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for (std::size_t rt = 0; rt < params.color_attachments.size(); ++rt) {
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const auto attachment = params.color_attachments[rt];
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const auto format =
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MaxwellToVK::SurfaceFormat(device, FormatType::Optimal, attachment.pixel_format);
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const std::size_t num_attachments = static_cast<std::size_t>(params.num_color_attachments);
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for (std::size_t rt = 0; rt < num_attachments; ++rt) {
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const auto guest_format = static_cast<Tegra::RenderTargetFormat>(params.color_formats[rt]);
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const PixelFormat pixel_format = PixelFormatFromRenderTargetFormat(guest_format);
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const auto format = MaxwellToVK::SurfaceFormat(device, FormatType::Optimal, pixel_format);
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ASSERT_MSG(format.attachable, "Trying to attach a non-attachable format with format={}",
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static_cast<u32>(attachment.pixel_format));
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static_cast<int>(pixel_format));
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// TODO(Rodrigo): Add eMayAlias when it's needed.
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const auto color_layout = attachment.is_texception
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? VK_IMAGE_LAYOUT_GENERAL
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: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
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// TODO(Rodrigo): Add MAY_ALIAS_BIT when it's needed.
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const VkImageLayout color_layout = ((params.texceptions >> rt) & 1) != 0
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? VK_IMAGE_LAYOUT_GENERAL
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: VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
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VkAttachmentDescription& descriptor = descriptors.emplace_back();
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descriptor.flags = VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT;
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descriptor.format = format.format;
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@ -58,15 +71,17 @@ vk::RenderPass VKRenderPassCache::CreateRenderPass(const RenderPassParams& param
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}
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VkAttachmentReference zeta_attachment_ref;
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if (params.has_zeta) {
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const auto format =
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MaxwellToVK::SurfaceFormat(device, FormatType::Optimal, params.zeta_pixel_format);
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const bool has_zeta = params.zeta_format != 0;
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if (has_zeta) {
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const auto guest_format = static_cast<Tegra::DepthFormat>(params.zeta_format);
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const PixelFormat pixel_format = PixelFormatFromDepthFormat(guest_format);
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const auto format = MaxwellToVK::SurfaceFormat(device, FormatType::Optimal, pixel_format);
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ASSERT_MSG(format.attachable, "Trying to attach a non-attachable format with format={}",
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static_cast<u32>(params.zeta_pixel_format));
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static_cast<int>(pixel_format));
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const auto zeta_layout = params.zeta_texception
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? VK_IMAGE_LAYOUT_GENERAL
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: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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const VkImageLayout zeta_layout = params.zeta_texception != 0
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? VK_IMAGE_LAYOUT_GENERAL
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: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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VkAttachmentDescription& descriptor = descriptors.emplace_back();
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descriptor.flags = 0;
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descriptor.format = format.format;
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@ -78,7 +93,7 @@ vk::RenderPass VKRenderPassCache::CreateRenderPass(const RenderPassParams& param
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descriptor.initialLayout = zeta_layout;
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descriptor.finalLayout = zeta_layout;
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zeta_attachment_ref.attachment = static_cast<u32>(params.color_attachments.size());
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zeta_attachment_ref.attachment = static_cast<u32>(num_attachments);
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zeta_attachment_ref.layout = zeta_layout;
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}
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@ -90,7 +105,7 @@ vk::RenderPass VKRenderPassCache::CreateRenderPass(const RenderPassParams& param
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subpass_description.colorAttachmentCount = static_cast<u32>(color_references.size());
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subpass_description.pColorAttachments = color_references.data();
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subpass_description.pResolveAttachments = nullptr;
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subpass_description.pDepthStencilAttachment = params.has_zeta ? &zeta_attachment_ref : nullptr;
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subpass_description.pDepthStencilAttachment = has_zeta ? &zeta_attachment_ref : nullptr;
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subpass_description.preserveAttachmentCount = 0;
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subpass_description.pPreserveAttachments = nullptr;
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@ -101,7 +116,7 @@ vk::RenderPass VKRenderPassCache::CreateRenderPass(const RenderPassParams& param
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stage |= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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}
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if (params.has_zeta) {
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if (has_zeta) {
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access |= VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
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VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
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stage |= VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
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@ -4,8 +4,7 @@
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#pragma once
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#include <memory>
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#include <tuple>
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#include <type_traits>
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#include <unordered_map>
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#include <boost/container/static_vector.hpp>
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@ -19,51 +18,25 @@ namespace Vulkan {
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class VKDevice;
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// TODO(Rodrigo): Optimize this structure for faster hashing
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struct RenderPassParams {
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struct ColorAttachment {
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u32 index = 0;
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VideoCore::Surface::PixelFormat pixel_format = VideoCore::Surface::PixelFormat::Invalid;
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bool is_texception = false;
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u8 num_color_attachments;
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std::array<u8, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> color_formats;
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u8 texceptions;
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std::size_t Hash() const noexcept {
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return static_cast<std::size_t>(pixel_format) |
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static_cast<std::size_t>(is_texception) << 6 |
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static_cast<std::size_t>(index) << 7;
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}
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u8 zeta_format;
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u8 zeta_texception;
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bool operator==(const ColorAttachment& rhs) const noexcept {
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return std::tie(index, pixel_format, is_texception) ==
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std::tie(rhs.index, rhs.pixel_format, rhs.is_texception);
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}
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};
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std::size_t Hash() const noexcept;
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boost::container::static_vector<ColorAttachment,
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Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
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color_attachments{};
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// TODO(Rodrigo): Unify has_zeta into zeta_pixel_format and zeta_component_type.
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VideoCore::Surface::PixelFormat zeta_pixel_format = VideoCore::Surface::PixelFormat::Invalid;
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bool has_zeta = false;
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bool zeta_texception = false;
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bool operator==(const RenderPassParams& rhs) const noexcept;
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std::size_t Hash() const noexcept {
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std::size_t hash = 0;
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for (const auto& rt : color_attachments) {
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boost::hash_combine(hash, rt.Hash());
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}
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boost::hash_combine(hash, zeta_pixel_format);
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boost::hash_combine(hash, has_zeta);
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boost::hash_combine(hash, zeta_texception);
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return hash;
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}
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bool operator==(const RenderPassParams& rhs) const {
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return std::tie(color_attachments, zeta_pixel_format, has_zeta, zeta_texception) ==
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std::tie(rhs.color_attachments, rhs.zeta_pixel_format, rhs.has_zeta,
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rhs.zeta_texception);
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bool operator!=(const RenderPassParams& rhs) const noexcept {
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return !operator==(rhs);
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}
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};
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static_assert(std::has_unique_object_representations_v<RenderPassParams>);
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static_assert(std::is_trivially_copyable_v<RenderPassParams>);
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static_assert(std::is_trivially_constructible_v<RenderPassParams>);
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} // namespace Vulkan
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