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vk: Add support for attachment-less renderpasses

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kd-11
2026-10-10 10:30:35 +03:00
committed by kd-11
parent 78f27eaad6
commit 0be621eb62
2 changed files with 43 additions and 0 deletions
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rpcs3/Emu/RSX/VK/VKRenderPass.cpp
+41
View File
@@ -27,6 +27,9 @@ namespace vk
// 16-21 sample_counts
// 22-36 current layouts
// 37-41 input attachments
// 42-59 reserved
// 60-63 flags. Allocated from bit 63 downwards.
// NOTE: Keys are persisted in the pipeline cache. Existing fields must not move.
union renderpass_key_blob
{
private:
@@ -62,6 +65,12 @@ namespace vk
}
public:
// Flags relative to the flags field
enum : u64
{
flag_no_attachments = (1ull << 3), // Bit 63. Renderpass has no attachments
};
u64 encoded;
struct
@@ -71,6 +80,8 @@ namespace vk
u64 sample_count : 6;
u64 layout_blob : 15;
u64 input_attachments_mask : 5;
u64 reserved : 18;
u64 flags : 4;
};
renderpass_key_blob(u64 encoded_) : encoded(encoded_)
@@ -167,10 +178,20 @@ namespace vk
return result;
}
inline bool has_no_attachments() const
{
return !!(flags & flag_no_attachments);
}
};
static_assert(sizeof(renderpass_key_blob) == sizeof(u64));
u64 get_renderpass_key(const std::vector<vk::image*>& images, const std::vector<u8>& input_attachment_ids)
{
// Use get_renderpass_key_no_attachments for passes without attachments
ensure(!images.empty());
renderpass_key_blob key(0);
for (u32 i = 0; i < ::size32(images); ++i)
@@ -259,6 +280,14 @@ namespace vk
return key.encoded;
}
u64 get_renderpass_key_no_attachments(u8 sample_count)
{
renderpass_key_blob key(0);
key.sample_count = sample_count;
key.flags = renderpass_key_blob::flag_no_attachments;
return key.encoded;
}
VkRenderPass get_renderpass(VkDevice dev, u64 renderpass_key)
{
// 99.999% of checks will go through this block once on-disk shader cache has loaded
@@ -290,6 +319,12 @@ namespace vk
VkFormat color_format = static_cast<VkFormat>(key.color_format);
VkFormat depth_format = static_cast<VkFormat>(key.depth_format);
if (key.has_no_attachments())
{
// Raster-only pass. Only the sample count is meaningful, the rest decodes to an empty subpass.
ensure(!color_format && !depth_format && !key.layout_blob && !key.input_attachments_mask);
}
std::vector<VkAttachmentDescription> attachments = {};
std::vector<VkAttachmentReference> attachment_references;
@@ -379,6 +414,12 @@ namespace vk
return key.input_attachments_mask != 0u;
}
bool renderpass_has_no_attachments(u64 renderpass_key)
{
renderpass_key_blob key(renderpass_key);
return key.has_no_attachments();
}
void clear_renderpass_cache(VkDevice dev)
{
// Wipe current status
rpcs3/Emu/RSX/VK/VKRenderPass.h
+2
View File
@@ -12,9 +12,11 @@ namespace vk
u64 get_renderpass_key(const std::vector<vk::image*>& images, u64 previous_key, const std::vector<u8>& input_attachment_ids = {});
u64 get_renderpass_key(VkFormat surface_format, u8 color_attachment_count = 1, u8 sample_count = 1);
u64 get_renderpass_key(VkFormat color_format, VkFormat depth_format, u8 color_attachment_count = 1, u8 sample_count = 1);
u64 get_renderpass_key_no_attachments(u8 sample_count);
VkRenderPass get_renderpass(VkDevice dev, u64 renderpass_key);
bool renderpass_has_input_attachments(u64 renderpass_key);
bool renderpass_has_no_attachments(u64 renderpass_key);
void clear_renderpass_cache(VkDevice dev);